mirror of https://git.ffmpeg.org/ffmpeg.git
7673 lines
285 KiB
C
7673 lines
285 KiB
C
/*
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* H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
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* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/**
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* @file h264.c
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* H.264 / AVC / MPEG4 part10 codec.
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* @author Michael Niedermayer <michaelni@gmx.at>
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*/
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#include "common.h"
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#include "dsputil.h"
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#include "avcodec.h"
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#include "mpegvideo.h"
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#include "h264data.h"
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#include "golomb.h"
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#include "cabac.h"
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#undef NDEBUG
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#include <assert.h>
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#define interlaced_dct interlaced_dct_is_a_bad_name
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#define mb_intra mb_intra_isnt_initalized_see_mb_type
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#define LUMA_DC_BLOCK_INDEX 25
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#define CHROMA_DC_BLOCK_INDEX 26
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#define CHROMA_DC_COEFF_TOKEN_VLC_BITS 8
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#define COEFF_TOKEN_VLC_BITS 8
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#define TOTAL_ZEROS_VLC_BITS 9
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#define CHROMA_DC_TOTAL_ZEROS_VLC_BITS 3
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#define RUN_VLC_BITS 3
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#define RUN7_VLC_BITS 6
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#define MAX_SPS_COUNT 32
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#define MAX_PPS_COUNT 256
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#define MAX_MMCO_COUNT 66
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/**
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* Sequence parameter set
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*/
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typedef struct SPS{
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int profile_idc;
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int level_idc;
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int log2_max_frame_num; ///< log2_max_frame_num_minus4 + 4
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int poc_type; ///< pic_order_cnt_type
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int log2_max_poc_lsb; ///< log2_max_pic_order_cnt_lsb_minus4
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int delta_pic_order_always_zero_flag;
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int offset_for_non_ref_pic;
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int offset_for_top_to_bottom_field;
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int poc_cycle_length; ///< num_ref_frames_in_pic_order_cnt_cycle
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int ref_frame_count; ///< num_ref_frames
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int gaps_in_frame_num_allowed_flag;
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int mb_width; ///< frame_width_in_mbs_minus1 + 1
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int mb_height; ///< frame_height_in_mbs_minus1 + 1
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int frame_mbs_only_flag;
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int mb_aff; ///<mb_adaptive_frame_field_flag
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int direct_8x8_inference_flag;
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int crop; ///< frame_cropping_flag
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int crop_left; ///< frame_cropping_rect_left_offset
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int crop_right; ///< frame_cropping_rect_right_offset
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int crop_top; ///< frame_cropping_rect_top_offset
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int crop_bottom; ///< frame_cropping_rect_bottom_offset
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int vui_parameters_present_flag;
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AVRational sar;
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int timing_info_present_flag;
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uint32_t num_units_in_tick;
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uint32_t time_scale;
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int fixed_frame_rate_flag;
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short offset_for_ref_frame[256]; //FIXME dyn aloc?
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int bitstream_restriction_flag;
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int num_reorder_frames;
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}SPS;
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/**
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* Picture parameter set
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*/
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typedef struct PPS{
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int sps_id;
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int cabac; ///< entropy_coding_mode_flag
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int pic_order_present; ///< pic_order_present_flag
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int slice_group_count; ///< num_slice_groups_minus1 + 1
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int mb_slice_group_map_type;
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int ref_count[2]; ///< num_ref_idx_l0/1_active_minus1 + 1
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int weighted_pred; ///< weighted_pred_flag
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int weighted_bipred_idc;
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int init_qp; ///< pic_init_qp_minus26 + 26
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int init_qs; ///< pic_init_qs_minus26 + 26
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int chroma_qp_index_offset;
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int deblocking_filter_parameters_present; ///< deblocking_filter_parameters_present_flag
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int constrained_intra_pred; ///< constrained_intra_pred_flag
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int redundant_pic_cnt_present; ///< redundant_pic_cnt_present_flag
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int transform_8x8_mode; ///< transform_8x8_mode_flag
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}PPS;
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/**
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* Memory management control operation opcode.
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*/
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typedef enum MMCOOpcode{
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MMCO_END=0,
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MMCO_SHORT2UNUSED,
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MMCO_LONG2UNUSED,
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MMCO_SHORT2LONG,
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MMCO_SET_MAX_LONG,
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MMCO_RESET,
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MMCO_LONG,
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} MMCOOpcode;
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/**
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* Memory management control operation.
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*/
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typedef struct MMCO{
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MMCOOpcode opcode;
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int short_frame_num;
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int long_index;
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} MMCO;
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/**
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* H264Context
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*/
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typedef struct H264Context{
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MpegEncContext s;
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int nal_ref_idc;
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int nal_unit_type;
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#define NAL_SLICE 1
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#define NAL_DPA 2
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#define NAL_DPB 3
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#define NAL_DPC 4
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#define NAL_IDR_SLICE 5
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#define NAL_SEI 6
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#define NAL_SPS 7
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#define NAL_PPS 8
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#define NAL_PICTURE_DELIMITER 9
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#define NAL_FILTER_DATA 10
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uint8_t *rbsp_buffer;
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int rbsp_buffer_size;
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/**
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* Used to parse AVC variant of h264
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*/
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int is_avc; ///< this flag is != 0 if codec is avc1
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int got_avcC; ///< flag used to parse avcC data only once
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int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
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int chroma_qp; //QPc
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int prev_mb_skipped; //FIXME remove (IMHO not used)
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//prediction stuff
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int chroma_pred_mode;
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int intra16x16_pred_mode;
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int top_mb_xy;
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int left_mb_xy[2];
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int8_t intra4x4_pred_mode_cache[5*8];
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int8_t (*intra4x4_pred_mode)[8];
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void (*pred4x4 [9+3])(uint8_t *src, uint8_t *topright, int stride);//FIXME move to dsp?
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void (*pred8x8l [9+3])(uint8_t *src, int topleft, int topright, int stride);
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void (*pred8x8 [4+3])(uint8_t *src, int stride);
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void (*pred16x16[4+3])(uint8_t *src, int stride);
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unsigned int topleft_samples_available;
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unsigned int top_samples_available;
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unsigned int topright_samples_available;
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unsigned int left_samples_available;
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uint8_t (*top_borders[2])[16+2*8];
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uint8_t left_border[2*(17+2*9)];
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/**
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* non zero coeff count cache.
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* is 64 if not available.
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*/
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uint8_t non_zero_count_cache[6*8] __align8;
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uint8_t (*non_zero_count)[16];
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/**
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* Motion vector cache.
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*/
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int16_t mv_cache[2][5*8][2] __align8;
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int8_t ref_cache[2][5*8] __align8;
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#define LIST_NOT_USED -1 //FIXME rename?
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#define PART_NOT_AVAILABLE -2
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/**
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* is 1 if the specific list MV&references are set to 0,0,-2.
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*/
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int mv_cache_clean[2];
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/**
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* number of neighbors (top and/or left) that used 8x8 dct
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*/
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int neighbor_transform_size;
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/**
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* block_offset[ 0..23] for frame macroblocks
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* block_offset[24..47] for field macroblocks
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*/
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int block_offset[2*(16+8)];
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uint32_t *mb2b_xy; //FIXME are these 4 a good idea?
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uint32_t *mb2b8_xy;
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int b_stride; //FIXME use s->b4_stride
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int b8_stride;
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int halfpel_flag;
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int thirdpel_flag;
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int unknown_svq3_flag;
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int next_slice_index;
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SPS sps_buffer[MAX_SPS_COUNT];
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SPS sps; ///< current sps
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PPS pps_buffer[MAX_PPS_COUNT];
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/**
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* current pps
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*/
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PPS pps; //FIXME move to Picture perhaps? (->no) do we need that?
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uint16_t (*dequant8_coeff)[64];
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int slice_num;
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uint8_t *slice_table_base;
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uint8_t *slice_table; ///< slice_table_base + mb_stride + 1
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int slice_type;
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int slice_type_fixed;
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//interlacing specific flags
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int mb_aff_frame;
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int mb_field_decoding_flag;
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int sub_mb_type[4];
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//POC stuff
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int poc_lsb;
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int poc_msb;
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int delta_poc_bottom;
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int delta_poc[2];
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int frame_num;
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int prev_poc_msb; ///< poc_msb of the last reference pic for POC type 0
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int prev_poc_lsb; ///< poc_lsb of the last reference pic for POC type 0
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int frame_num_offset; ///< for POC type 2
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int prev_frame_num_offset; ///< for POC type 2
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int prev_frame_num; ///< frame_num of the last pic for POC type 1/2
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/**
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* frame_num for frames or 2*frame_num for field pics.
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*/
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int curr_pic_num;
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/**
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* max_frame_num or 2*max_frame_num for field pics.
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*/
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int max_pic_num;
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//Weighted pred stuff
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int use_weight;
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int use_weight_chroma;
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int luma_log2_weight_denom;
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int chroma_log2_weight_denom;
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int luma_weight[2][16];
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int luma_offset[2][16];
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int chroma_weight[2][16][2];
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int chroma_offset[2][16][2];
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int implicit_weight[16][16];
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//deblock
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int deblocking_filter; ///< disable_deblocking_filter_idc with 1<->0
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int slice_alpha_c0_offset;
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int slice_beta_offset;
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int redundant_pic_count;
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int direct_spatial_mv_pred;
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int dist_scale_factor[16];
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int map_col_to_list0[2][16];
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/**
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* num_ref_idx_l0/1_active_minus1 + 1
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*/
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int ref_count[2];// FIXME split for AFF
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Picture *short_ref[32];
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Picture *long_ref[32];
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Picture default_ref_list[2][32];
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Picture ref_list[2][32]; //FIXME size?
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Picture field_ref_list[2][32]; //FIXME size?
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Picture *delayed_pic[16]; //FIXME size?
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Picture *delayed_output_pic;
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/**
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* memory management control operations buffer.
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*/
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MMCO mmco[MAX_MMCO_COUNT];
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int mmco_index;
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int long_ref_count; ///< number of actual long term references
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int short_ref_count; ///< number of actual short term references
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//data partitioning
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GetBitContext intra_gb;
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GetBitContext inter_gb;
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GetBitContext *intra_gb_ptr;
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GetBitContext *inter_gb_ptr;
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DCTELEM mb[16*24] __align8;
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/**
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* Cabac
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*/
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CABACContext cabac;
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uint8_t cabac_state[460];
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int cabac_init_idc;
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/* 0x100 -> non null luma_dc, 0x80/0x40 -> non null chroma_dc (cb/cr), 0x?0 -> chroma_cbp(0,1,2), 0x0? luma_cbp */
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uint16_t *cbp_table;
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int top_cbp;
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int left_cbp;
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/* chroma_pred_mode for i4x4 or i16x16, else 0 */
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uint8_t *chroma_pred_mode_table;
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int last_qscale_diff;
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int16_t (*mvd_table[2])[2];
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int16_t mvd_cache[2][5*8][2] __align8;
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uint8_t *direct_table;
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uint8_t direct_cache[5*8];
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uint8_t zigzag_scan[16];
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uint8_t field_scan[16];
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}H264Context;
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static VLC coeff_token_vlc[4];
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static VLC chroma_dc_coeff_token_vlc;
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static VLC total_zeros_vlc[15];
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static VLC chroma_dc_total_zeros_vlc[3];
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static VLC run_vlc[6];
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static VLC run7_vlc;
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static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp);
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static void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc);
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static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize);
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static inline uint32_t pack16to32(int a, int b){
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#ifdef WORDS_BIGENDIAN
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return (b&0xFFFF) + (a<<16);
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#else
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return (a&0xFFFF) + (b<<16);
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#endif
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}
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/**
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* fill a rectangle.
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* @param h height of the rectangle, should be a constant
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* @param w width of the rectangle, should be a constant
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* @param size the size of val (1 or 4), should be a constant
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*/
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static inline void fill_rectangle(void *vp, int w, int h, int stride, uint32_t val, int size){ //FIXME ensure this IS inlined
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uint8_t *p= (uint8_t*)vp;
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assert(size==1 || size==4);
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w *= size;
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stride *= size;
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assert((((int)vp)&(FFMIN(w, STRIDE_ALIGN)-1)) == 0);
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assert((stride&(w-1))==0);
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//FIXME check what gcc generates for 64 bit on x86 and possibly write a 32 bit ver of it
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if(w==2 && h==2){
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*(uint16_t*)(p + 0)=
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*(uint16_t*)(p + stride)= size==4 ? val : val*0x0101;
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}else if(w==2 && h==4){
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*(uint16_t*)(p + 0*stride)=
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*(uint16_t*)(p + 1*stride)=
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*(uint16_t*)(p + 2*stride)=
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*(uint16_t*)(p + 3*stride)= size==4 ? val : val*0x0101;
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}else if(w==4 && h==1){
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*(uint32_t*)(p + 0*stride)= size==4 ? val : val*0x01010101;
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}else if(w==4 && h==2){
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*(uint32_t*)(p + 0*stride)=
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*(uint32_t*)(p + 1*stride)= size==4 ? val : val*0x01010101;
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}else if(w==4 && h==4){
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*(uint32_t*)(p + 0*stride)=
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*(uint32_t*)(p + 1*stride)=
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*(uint32_t*)(p + 2*stride)=
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*(uint32_t*)(p + 3*stride)= size==4 ? val : val*0x01010101;
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}else if(w==8 && h==1){
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*(uint32_t*)(p + 0)=
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*(uint32_t*)(p + 4)= size==4 ? val : val*0x01010101;
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}else if(w==8 && h==2){
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*(uint32_t*)(p + 0 + 0*stride)=
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*(uint32_t*)(p + 4 + 0*stride)=
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*(uint32_t*)(p + 0 + 1*stride)=
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*(uint32_t*)(p + 4 + 1*stride)= size==4 ? val : val*0x01010101;
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}else if(w==8 && h==4){
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*(uint64_t*)(p + 0*stride)=
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*(uint64_t*)(p + 1*stride)=
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*(uint64_t*)(p + 2*stride)=
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*(uint64_t*)(p + 3*stride)= size==4 ? val*0x0100000001ULL : val*0x0101010101010101ULL;
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}else if(w==16 && h==2){
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*(uint64_t*)(p + 0+0*stride)=
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*(uint64_t*)(p + 8+0*stride)=
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*(uint64_t*)(p + 0+1*stride)=
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*(uint64_t*)(p + 8+1*stride)= size==4 ? val*0x0100000001ULL : val*0x0101010101010101ULL;
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}else if(w==16 && h==4){
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*(uint64_t*)(p + 0+0*stride)=
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*(uint64_t*)(p + 8+0*stride)=
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*(uint64_t*)(p + 0+1*stride)=
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*(uint64_t*)(p + 8+1*stride)=
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*(uint64_t*)(p + 0+2*stride)=
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*(uint64_t*)(p + 8+2*stride)=
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*(uint64_t*)(p + 0+3*stride)=
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*(uint64_t*)(p + 8+3*stride)= size==4 ? val*0x0100000001ULL : val*0x0101010101010101ULL;
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}else
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assert(0);
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}
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static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
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MpegEncContext * const s = &h->s;
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const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
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int topleft_xy, top_xy, topright_xy, left_xy[2];
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int topleft_type, top_type, topright_type, left_type[2];
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int left_block[8];
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int i;
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//FIXME deblocking can skip fill_caches much of the time with multiple slices too.
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// the actual condition is whether we're on the edge of a slice,
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// and even then the intra and nnz parts are unnecessary.
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if(for_deblock && h->slice_num == 1)
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return;
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//wow what a mess, why didn't they simplify the interlacing&intra stuff, i can't imagine that these complex rules are worth it
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top_xy = mb_xy - s->mb_stride;
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topleft_xy = top_xy - 1;
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topright_xy= top_xy + 1;
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left_xy[1] = left_xy[0] = mb_xy-1;
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left_block[0]= 0;
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left_block[1]= 1;
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left_block[2]= 2;
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left_block[3]= 3;
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left_block[4]= 7;
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left_block[5]= 10;
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|
left_block[6]= 8;
|
|
left_block[7]= 11;
|
|
if(h->mb_aff_frame){
|
|
const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride;
|
|
const int top_pair_xy = pair_xy - s->mb_stride;
|
|
const int topleft_pair_xy = top_pair_xy - 1;
|
|
const int topright_pair_xy = top_pair_xy + 1;
|
|
const int topleft_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]);
|
|
const int top_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
|
|
const int topright_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]);
|
|
const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
|
|
const int curr_mb_frame_flag = !IS_INTERLACED(mb_type);
|
|
const int bottom = (s->mb_y & 1);
|
|
tprintf("fill_caches: curr_mb_frame_flag:%d, left_mb_frame_flag:%d, topleft_mb_frame_flag:%d, top_mb_frame_flag:%d, topright_mb_frame_flag:%d\n", curr_mb_frame_flag, left_mb_frame_flag, topleft_mb_frame_flag, top_mb_frame_flag, topright_mb_frame_flag);
|
|
if (bottom
|
|
? !curr_mb_frame_flag // bottom macroblock
|
|
: (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock
|
|
) {
|
|
top_xy -= s->mb_stride;
|
|
}
|
|
if (bottom
|
|
? !curr_mb_frame_flag // bottom macroblock
|
|
: (!curr_mb_frame_flag && !topleft_mb_frame_flag) // top macroblock
|
|
) {
|
|
topleft_xy -= s->mb_stride;
|
|
}
|
|
if (bottom
|
|
? !curr_mb_frame_flag // bottom macroblock
|
|
: (!curr_mb_frame_flag && !topright_mb_frame_flag) // top macroblock
|
|
) {
|
|
topright_xy -= s->mb_stride;
|
|
}
|
|
if (left_mb_frame_flag != curr_mb_frame_flag) {
|
|
left_xy[1] = left_xy[0] = pair_xy - 1;
|
|
if (curr_mb_frame_flag) {
|
|
if (bottom) {
|
|
left_block[0]= 2;
|
|
left_block[1]= 2;
|
|
left_block[2]= 3;
|
|
left_block[3]= 3;
|
|
left_block[4]= 8;
|
|
left_block[5]= 11;
|
|
left_block[6]= 8;
|
|
left_block[7]= 11;
|
|
} else {
|
|
left_block[0]= 0;
|
|
left_block[1]= 0;
|
|
left_block[2]= 1;
|
|
left_block[3]= 1;
|
|
left_block[4]= 7;
|
|
left_block[5]= 10;
|
|
left_block[6]= 7;
|
|
left_block[7]= 10;
|
|
}
|
|
} else {
|
|
left_xy[1] += s->mb_stride;
|
|
//left_block[0]= 0;
|
|
left_block[1]= 2;
|
|
left_block[2]= 0;
|
|
left_block[3]= 2;
|
|
//left_block[4]= 7;
|
|
left_block[5]= 10;
|
|
left_block[6]= 7;
|
|
left_block[7]= 10;
|
|
}
|
|
}
|
|
}
|
|
|
|
h->top_mb_xy = top_xy;
|
|
h->left_mb_xy[0] = left_xy[0];
|
|
h->left_mb_xy[1] = left_xy[1];
|
|
if(for_deblock){
|
|
topleft_type = h->slice_table[topleft_xy ] < 255 ? s->current_picture.mb_type[topleft_xy] : 0;
|
|
top_type = h->slice_table[top_xy ] < 255 ? s->current_picture.mb_type[top_xy] : 0;
|
|
topright_type= h->slice_table[topright_xy] < 255 ? s->current_picture.mb_type[topright_xy]: 0;
|
|
left_type[0] = h->slice_table[left_xy[0] ] < 255 ? s->current_picture.mb_type[left_xy[0]] : 0;
|
|
left_type[1] = h->slice_table[left_xy[1] ] < 255 ? s->current_picture.mb_type[left_xy[1]] : 0;
|
|
}else{
|
|
topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;
|
|
top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;
|
|
topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;
|
|
left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;
|
|
left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;
|
|
}
|
|
|
|
if(IS_INTRA(mb_type)){
|
|
h->topleft_samples_available=
|
|
h->top_samples_available=
|
|
h->left_samples_available= 0xFFFF;
|
|
h->topright_samples_available= 0xEEEA;
|
|
|
|
if(!IS_INTRA(top_type) && (top_type==0 || h->pps.constrained_intra_pred)){
|
|
h->topleft_samples_available= 0xB3FF;
|
|
h->top_samples_available= 0x33FF;
|
|
h->topright_samples_available= 0x26EA;
|
|
}
|
|
for(i=0; i<2; i++){
|
|
if(!IS_INTRA(left_type[i]) && (left_type[i]==0 || h->pps.constrained_intra_pred)){
|
|
h->topleft_samples_available&= 0xDF5F;
|
|
h->left_samples_available&= 0x5F5F;
|
|
}
|
|
}
|
|
|
|
if(!IS_INTRA(topleft_type) && (topleft_type==0 || h->pps.constrained_intra_pred))
|
|
h->topleft_samples_available&= 0x7FFF;
|
|
|
|
if(!IS_INTRA(topright_type) && (topright_type==0 || h->pps.constrained_intra_pred))
|
|
h->topright_samples_available&= 0xFBFF;
|
|
|
|
if(IS_INTRA4x4(mb_type)){
|
|
if(IS_INTRA4x4(top_type)){
|
|
h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4];
|
|
h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5];
|
|
h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6];
|
|
h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3];
|
|
}else{
|
|
int pred;
|
|
if(!top_type || (IS_INTER(top_type) && h->pps.constrained_intra_pred))
|
|
pred= -1;
|
|
else{
|
|
pred= 2;
|
|
}
|
|
h->intra4x4_pred_mode_cache[4+8*0]=
|
|
h->intra4x4_pred_mode_cache[5+8*0]=
|
|
h->intra4x4_pred_mode_cache[6+8*0]=
|
|
h->intra4x4_pred_mode_cache[7+8*0]= pred;
|
|
}
|
|
for(i=0; i<2; i++){
|
|
if(IS_INTRA4x4(left_type[i])){
|
|
h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]];
|
|
h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]];
|
|
}else{
|
|
int pred;
|
|
if(!left_type[i] || (IS_INTER(left_type[i]) && h->pps.constrained_intra_pred))
|
|
pred= -1;
|
|
else{
|
|
pred= 2;
|
|
}
|
|
h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=
|
|
h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
0 . T T. T T T T
|
|
1 L . .L . . . .
|
|
2 L . .L . . . .
|
|
3 . T TL . . . .
|
|
4 L . .L . . . .
|
|
5 L . .. . . . .
|
|
*/
|
|
//FIXME constraint_intra_pred & partitioning & nnz (lets hope this is just a typo in the spec)
|
|
if(top_type){
|
|
h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][4];
|
|
h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][5];
|
|
h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][6];
|
|
h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][3];
|
|
|
|
h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][9];
|
|
h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][8];
|
|
|
|
h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][12];
|
|
h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][11];
|
|
|
|
}else{
|
|
h->non_zero_count_cache[4+8*0]=
|
|
h->non_zero_count_cache[5+8*0]=
|
|
h->non_zero_count_cache[6+8*0]=
|
|
h->non_zero_count_cache[7+8*0]=
|
|
|
|
h->non_zero_count_cache[1+8*0]=
|
|
h->non_zero_count_cache[2+8*0]=
|
|
|
|
h->non_zero_count_cache[1+8*3]=
|
|
h->non_zero_count_cache[2+8*3]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
|
|
|
|
}
|
|
|
|
for (i=0; i<2; i++) {
|
|
if(left_type[i]){
|
|
h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[0+2*i]];
|
|
h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[1+2*i]];
|
|
h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[4+2*i]];
|
|
h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[5+2*i]];
|
|
}else{
|
|
h->non_zero_count_cache[3+8*1 + 2*8*i]=
|
|
h->non_zero_count_cache[3+8*2 + 2*8*i]=
|
|
h->non_zero_count_cache[0+8*1 + 8*i]=
|
|
h->non_zero_count_cache[0+8*4 + 8*i]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
|
|
}
|
|
}
|
|
|
|
if( h->pps.cabac ) {
|
|
// top_cbp
|
|
if(top_type) {
|
|
h->top_cbp = h->cbp_table[top_xy];
|
|
} else if(IS_INTRA(mb_type)) {
|
|
h->top_cbp = 0x1C0;
|
|
} else {
|
|
h->top_cbp = 0;
|
|
}
|
|
// left_cbp
|
|
if (left_type[0]) {
|
|
h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0;
|
|
} else if(IS_INTRA(mb_type)) {
|
|
h->left_cbp = 0x1C0;
|
|
} else {
|
|
h->left_cbp = 0;
|
|
}
|
|
if (left_type[0]) {
|
|
h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1;
|
|
}
|
|
if (left_type[1]) {
|
|
h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3;
|
|
}
|
|
}
|
|
|
|
#if 1
|
|
//FIXME direct mb can skip much of this
|
|
if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
|
|
int list;
|
|
for(list=0; list<1+(h->slice_type==B_TYPE); list++){
|
|
if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type) && !h->deblocking_filter){
|
|
/*if(!h->mv_cache_clean[list]){
|
|
memset(h->mv_cache [list], 0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all?
|
|
memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t));
|
|
h->mv_cache_clean[list]= 1;
|
|
}*/
|
|
continue;
|
|
}
|
|
h->mv_cache_clean[list]= 0;
|
|
|
|
if(IS_INTER(top_type)){
|
|
const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
|
|
const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
|
|
*(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0];
|
|
*(uint32_t*)h->mv_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 1];
|
|
*(uint32_t*)h->mv_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 2];
|
|
*(uint32_t*)h->mv_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 3];
|
|
h->ref_cache[list][scan8[0] + 0 - 1*8]=
|
|
h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0];
|
|
h->ref_cache[list][scan8[0] + 2 - 1*8]=
|
|
h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1];
|
|
}else{
|
|
*(uint32_t*)h->mv_cache [list][scan8[0] + 0 - 1*8]=
|
|
*(uint32_t*)h->mv_cache [list][scan8[0] + 1 - 1*8]=
|
|
*(uint32_t*)h->mv_cache [list][scan8[0] + 2 - 1*8]=
|
|
*(uint32_t*)h->mv_cache [list][scan8[0] + 3 - 1*8]= 0;
|
|
*(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;
|
|
}
|
|
|
|
//FIXME unify cleanup or sth
|
|
if(IS_INTER(left_type[0])){
|
|
const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
|
|
const int b8_xy= h->mb2b8_xy[left_xy[0]] + 1;
|
|
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0]];
|
|
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1]];
|
|
h->ref_cache[list][scan8[0] - 1 + 0*8]=
|
|
h->ref_cache[list][scan8[0] - 1 + 1*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0]>>1)];
|
|
}else{
|
|
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 0*8]=
|
|
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 1*8]= 0;
|
|
h->ref_cache[list][scan8[0] - 1 + 0*8]=
|
|
h->ref_cache[list][scan8[0] - 1 + 1*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
|
|
}
|
|
|
|
if(IS_INTER(left_type[1])){
|
|
const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
|
|
const int b8_xy= h->mb2b8_xy[left_xy[1]] + 1;
|
|
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[2]];
|
|
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[3]];
|
|
h->ref_cache[list][scan8[0] - 1 + 2*8]=
|
|
h->ref_cache[list][scan8[0] - 1 + 3*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[2]>>1)];
|
|
}else{
|
|
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 2*8]=
|
|
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 3*8]= 0;
|
|
h->ref_cache[list][scan8[0] - 1 + 2*8]=
|
|
h->ref_cache[list][scan8[0] - 1 + 3*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
|
|
assert((!left_type[0]) == (!left_type[1]));
|
|
}
|
|
|
|
if(for_deblock || (IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred))
|
|
continue;
|
|
|
|
if(IS_INTER(topleft_type)){
|
|
const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride;
|
|
const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + h->b8_stride;
|
|
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
|
|
h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];
|
|
}else{
|
|
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0;
|
|
h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
|
|
}
|
|
|
|
if(IS_INTER(topright_type)){
|
|
const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;
|
|
const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;
|
|
*(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
|
|
h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy];
|
|
}else{
|
|
*(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0;
|
|
h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
|
|
}
|
|
|
|
|
|
h->ref_cache[list][scan8[5 ]+1] =
|
|
h->ref_cache[list][scan8[7 ]+1] =
|
|
h->ref_cache[list][scan8[13]+1] = //FIXME remove past 3 (init somewhere else)
|
|
h->ref_cache[list][scan8[4 ]] =
|
|
h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;
|
|
*(uint32_t*)h->mv_cache [list][scan8[5 ]+1]=
|
|
*(uint32_t*)h->mv_cache [list][scan8[7 ]+1]=
|
|
*(uint32_t*)h->mv_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
|
|
*(uint32_t*)h->mv_cache [list][scan8[4 ]]=
|
|
*(uint32_t*)h->mv_cache [list][scan8[12]]= 0;
|
|
|
|
if( h->pps.cabac ) {
|
|
/* XXX beurk, Load mvd */
|
|
if(IS_INTER(topleft_type)){
|
|
const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride;
|
|
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy];
|
|
}else{
|
|
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 - 1*8]= 0;
|
|
}
|
|
|
|
if(IS_INTER(top_type)){
|
|
const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
|
|
*(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0];
|
|
*(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1];
|
|
*(uint32_t*)h->mvd_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 2];
|
|
*(uint32_t*)h->mvd_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 3];
|
|
}else{
|
|
*(uint32_t*)h->mvd_cache [list][scan8[0] + 0 - 1*8]=
|
|
*(uint32_t*)h->mvd_cache [list][scan8[0] + 1 - 1*8]=
|
|
*(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]=
|
|
*(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0;
|
|
}
|
|
if(IS_INTER(left_type[0])){
|
|
const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
|
|
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]];
|
|
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]];
|
|
}else{
|
|
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]=
|
|
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0;
|
|
}
|
|
if(IS_INTER(left_type[1])){
|
|
const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
|
|
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]];
|
|
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]];
|
|
}else{
|
|
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]=
|
|
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0;
|
|
}
|
|
*(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]=
|
|
*(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]=
|
|
*(uint32_t*)h->mvd_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
|
|
*(uint32_t*)h->mvd_cache [list][scan8[4 ]]=
|
|
*(uint32_t*)h->mvd_cache [list][scan8[12]]= 0;
|
|
|
|
if(h->slice_type == B_TYPE){
|
|
fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, 0, 1);
|
|
|
|
if(IS_DIRECT(top_type)){
|
|
*(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101;
|
|
}else if(IS_8X8(top_type)){
|
|
int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride;
|
|
h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy];
|
|
h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1];
|
|
}else{
|
|
*(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0;
|
|
}
|
|
|
|
//FIXME interlacing
|
|
if(IS_DIRECT(left_type[0])){
|
|
h->direct_cache[scan8[0] - 1 + 0*8]=
|
|
h->direct_cache[scan8[0] - 1 + 2*8]= 1;
|
|
}else if(IS_8X8(left_type[0])){
|
|
int b8_xy = h->mb2b8_xy[left_xy[0]] + 1;
|
|
h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[b8_xy];
|
|
h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[b8_xy + h->b8_stride];
|
|
}else{
|
|
h->direct_cache[scan8[0] - 1 + 0*8]=
|
|
h->direct_cache[scan8[0] - 1 + 2*8]= 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);
|
|
}
|
|
|
|
static inline void write_back_intra_pred_mode(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
|
|
|
|
h->intra4x4_pred_mode[mb_xy][0]= h->intra4x4_pred_mode_cache[7+8*1];
|
|
h->intra4x4_pred_mode[mb_xy][1]= h->intra4x4_pred_mode_cache[7+8*2];
|
|
h->intra4x4_pred_mode[mb_xy][2]= h->intra4x4_pred_mode_cache[7+8*3];
|
|
h->intra4x4_pred_mode[mb_xy][3]= h->intra4x4_pred_mode_cache[7+8*4];
|
|
h->intra4x4_pred_mode[mb_xy][4]= h->intra4x4_pred_mode_cache[4+8*4];
|
|
h->intra4x4_pred_mode[mb_xy][5]= h->intra4x4_pred_mode_cache[5+8*4];
|
|
h->intra4x4_pred_mode[mb_xy][6]= h->intra4x4_pred_mode_cache[6+8*4];
|
|
}
|
|
|
|
/**
|
|
* checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
|
|
*/
|
|
static inline int check_intra4x4_pred_mode(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0};
|
|
static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED};
|
|
int i;
|
|
|
|
if(!(h->top_samples_available&0x8000)){
|
|
for(i=0; i<4; i++){
|
|
int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ];
|
|
if(status<0){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
|
|
return -1;
|
|
} else if(status){
|
|
h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(!(h->left_samples_available&0x8000)){
|
|
for(i=0; i<4; i++){
|
|
int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ];
|
|
if(status<0){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
|
|
return -1;
|
|
} else if(status){
|
|
h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
} //FIXME cleanup like next
|
|
|
|
/**
|
|
* checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
|
|
*/
|
|
static inline int check_intra_pred_mode(H264Context *h, int mode){
|
|
MpegEncContext * const s = &h->s;
|
|
static const int8_t top [7]= {LEFT_DC_PRED8x8, 1,-1,-1};
|
|
static const int8_t left[7]= { TOP_DC_PRED8x8,-1, 2,-1,DC_128_PRED8x8};
|
|
|
|
if(mode < 0 || mode > 6) {
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "out of range intra chroma pred mode at %d %d\n", s->mb_x, s->mb_y);
|
|
return -1;
|
|
}
|
|
|
|
if(!(h->top_samples_available&0x8000)){
|
|
mode= top[ mode ];
|
|
if(mode<0){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if(!(h->left_samples_available&0x8000)){
|
|
mode= left[ mode ];
|
|
if(mode<0){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
return mode;
|
|
}
|
|
|
|
/**
|
|
* gets the predicted intra4x4 prediction mode.
|
|
*/
|
|
static inline int pred_intra_mode(H264Context *h, int n){
|
|
const int index8= scan8[n];
|
|
const int left= h->intra4x4_pred_mode_cache[index8 - 1];
|
|
const int top = h->intra4x4_pred_mode_cache[index8 - 8];
|
|
const int min= FFMIN(left, top);
|
|
|
|
tprintf("mode:%d %d min:%d\n", left ,top, min);
|
|
|
|
if(min<0) return DC_PRED;
|
|
else return min;
|
|
}
|
|
|
|
static inline void write_back_non_zero_count(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
|
|
|
|
h->non_zero_count[mb_xy][0]= h->non_zero_count_cache[7+8*1];
|
|
h->non_zero_count[mb_xy][1]= h->non_zero_count_cache[7+8*2];
|
|
h->non_zero_count[mb_xy][2]= h->non_zero_count_cache[7+8*3];
|
|
h->non_zero_count[mb_xy][3]= h->non_zero_count_cache[7+8*4];
|
|
h->non_zero_count[mb_xy][4]= h->non_zero_count_cache[4+8*4];
|
|
h->non_zero_count[mb_xy][5]= h->non_zero_count_cache[5+8*4];
|
|
h->non_zero_count[mb_xy][6]= h->non_zero_count_cache[6+8*4];
|
|
|
|
h->non_zero_count[mb_xy][9]= h->non_zero_count_cache[1+8*2];
|
|
h->non_zero_count[mb_xy][8]= h->non_zero_count_cache[2+8*2];
|
|
h->non_zero_count[mb_xy][7]= h->non_zero_count_cache[2+8*1];
|
|
|
|
h->non_zero_count[mb_xy][12]=h->non_zero_count_cache[1+8*5];
|
|
h->non_zero_count[mb_xy][11]=h->non_zero_count_cache[2+8*5];
|
|
h->non_zero_count[mb_xy][10]=h->non_zero_count_cache[2+8*4];
|
|
}
|
|
|
|
/**
|
|
* gets the predicted number of non zero coefficients.
|
|
* @param n block index
|
|
*/
|
|
static inline int pred_non_zero_count(H264Context *h, int n){
|
|
const int index8= scan8[n];
|
|
const int left= h->non_zero_count_cache[index8 - 1];
|
|
const int top = h->non_zero_count_cache[index8 - 8];
|
|
int i= left + top;
|
|
|
|
if(i<64) i= (i+1)>>1;
|
|
|
|
tprintf("pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31);
|
|
|
|
return i&31;
|
|
}
|
|
|
|
static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, int list, int part_width){
|
|
const int topright_ref= h->ref_cache[list][ i - 8 + part_width ];
|
|
|
|
if(topright_ref != PART_NOT_AVAILABLE){
|
|
*C= h->mv_cache[list][ i - 8 + part_width ];
|
|
return topright_ref;
|
|
}else{
|
|
tprintf("topright MV not available\n");
|
|
|
|
*C= h->mv_cache[list][ i - 8 - 1 ];
|
|
return h->ref_cache[list][ i - 8 - 1 ];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gets the predicted MV.
|
|
* @param n the block index
|
|
* @param part_width the width of the partition (4, 8,16) -> (1, 2, 4)
|
|
* @param mx the x component of the predicted motion vector
|
|
* @param my the y component of the predicted motion vector
|
|
*/
|
|
static inline void pred_motion(H264Context * const h, int n, int part_width, int list, int ref, int * const mx, int * const my){
|
|
const int index8= scan8[n];
|
|
const int top_ref= h->ref_cache[list][ index8 - 8 ];
|
|
const int left_ref= h->ref_cache[list][ index8 - 1 ];
|
|
const int16_t * const A= h->mv_cache[list][ index8 - 1 ];
|
|
const int16_t * const B= h->mv_cache[list][ index8 - 8 ];
|
|
const int16_t * C;
|
|
int diagonal_ref, match_count;
|
|
|
|
assert(part_width==1 || part_width==2 || part_width==4);
|
|
|
|
/* mv_cache
|
|
B . . A T T T T
|
|
U . . L . . , .
|
|
U . . L . . . .
|
|
U . . L . . , .
|
|
. . . L . . . .
|
|
*/
|
|
|
|
diagonal_ref= fetch_diagonal_mv(h, &C, index8, list, part_width);
|
|
match_count= (diagonal_ref==ref) + (top_ref==ref) + (left_ref==ref);
|
|
tprintf("pred_motion match_count=%d\n", match_count);
|
|
if(match_count > 1){ //most common
|
|
*mx= mid_pred(A[0], B[0], C[0]);
|
|
*my= mid_pred(A[1], B[1], C[1]);
|
|
}else if(match_count==1){
|
|
if(left_ref==ref){
|
|
*mx= A[0];
|
|
*my= A[1];
|
|
}else if(top_ref==ref){
|
|
*mx= B[0];
|
|
*my= B[1];
|
|
}else{
|
|
*mx= C[0];
|
|
*my= C[1];
|
|
}
|
|
}else{
|
|
if(top_ref == PART_NOT_AVAILABLE && diagonal_ref == PART_NOT_AVAILABLE && left_ref != PART_NOT_AVAILABLE){
|
|
*mx= A[0];
|
|
*my= A[1];
|
|
}else{
|
|
*mx= mid_pred(A[0], B[0], C[0]);
|
|
*my= mid_pred(A[1], B[1], C[1]);
|
|
}
|
|
}
|
|
|
|
tprintf("pred_motion (%2d %2d %2d) (%2d %2d %2d) (%2d %2d %2d) -> (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], diagonal_ref, C[0], C[1], left_ref, A[0], A[1], ref, *mx, *my, h->s.mb_x, h->s.mb_y, n, list);
|
|
}
|
|
|
|
/**
|
|
* gets the directionally predicted 16x8 MV.
|
|
* @param n the block index
|
|
* @param mx the x component of the predicted motion vector
|
|
* @param my the y component of the predicted motion vector
|
|
*/
|
|
static inline void pred_16x8_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
|
|
if(n==0){
|
|
const int top_ref= h->ref_cache[list][ scan8[0] - 8 ];
|
|
const int16_t * const B= h->mv_cache[list][ scan8[0] - 8 ];
|
|
|
|
tprintf("pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], h->s.mb_x, h->s.mb_y, n, list);
|
|
|
|
if(top_ref == ref){
|
|
*mx= B[0];
|
|
*my= B[1];
|
|
return;
|
|
}
|
|
}else{
|
|
const int left_ref= h->ref_cache[list][ scan8[8] - 1 ];
|
|
const int16_t * const A= h->mv_cache[list][ scan8[8] - 1 ];
|
|
|
|
tprintf("pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
|
|
|
|
if(left_ref == ref){
|
|
*mx= A[0];
|
|
*my= A[1];
|
|
return;
|
|
}
|
|
}
|
|
|
|
//RARE
|
|
pred_motion(h, n, 4, list, ref, mx, my);
|
|
}
|
|
|
|
/**
|
|
* gets the directionally predicted 8x16 MV.
|
|
* @param n the block index
|
|
* @param mx the x component of the predicted motion vector
|
|
* @param my the y component of the predicted motion vector
|
|
*/
|
|
static inline void pred_8x16_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
|
|
if(n==0){
|
|
const int left_ref= h->ref_cache[list][ scan8[0] - 1 ];
|
|
const int16_t * const A= h->mv_cache[list][ scan8[0] - 1 ];
|
|
|
|
tprintf("pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
|
|
|
|
if(left_ref == ref){
|
|
*mx= A[0];
|
|
*my= A[1];
|
|
return;
|
|
}
|
|
}else{
|
|
const int16_t * C;
|
|
int diagonal_ref;
|
|
|
|
diagonal_ref= fetch_diagonal_mv(h, &C, scan8[4], list, 2);
|
|
|
|
tprintf("pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", diagonal_ref, C[0], C[1], h->s.mb_x, h->s.mb_y, n, list);
|
|
|
|
if(diagonal_ref == ref){
|
|
*mx= C[0];
|
|
*my= C[1];
|
|
return;
|
|
}
|
|
}
|
|
|
|
//RARE
|
|
pred_motion(h, n, 2, list, ref, mx, my);
|
|
}
|
|
|
|
static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my){
|
|
const int top_ref = h->ref_cache[0][ scan8[0] - 8 ];
|
|
const int left_ref= h->ref_cache[0][ scan8[0] - 1 ];
|
|
|
|
tprintf("pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
|
|
|
|
if(top_ref == PART_NOT_AVAILABLE || left_ref == PART_NOT_AVAILABLE
|
|
|| (top_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 8 ] == 0)
|
|
|| (left_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 1 ] == 0)){
|
|
|
|
*mx = *my = 0;
|
|
return;
|
|
}
|
|
|
|
pred_motion(h, 0, 4, 0, 0, mx, my);
|
|
|
|
return;
|
|
}
|
|
|
|
static inline void direct_dist_scale_factor(H264Context * const h){
|
|
const int poc = h->s.current_picture_ptr->poc;
|
|
const int poc1 = h->ref_list[1][0].poc;
|
|
int i;
|
|
for(i=0; i<h->ref_count[0]; i++){
|
|
int poc0 = h->ref_list[0][i].poc;
|
|
int td = clip(poc1 - poc0, -128, 127);
|
|
if(td == 0 /* FIXME || pic0 is a long-term ref */){
|
|
h->dist_scale_factor[i] = 256;
|
|
}else{
|
|
int tb = clip(poc - poc0, -128, 127);
|
|
int tx = (16384 + (ABS(td) >> 1)) / td;
|
|
h->dist_scale_factor[i] = clip((tb*tx + 32) >> 6, -1024, 1023);
|
|
}
|
|
}
|
|
}
|
|
static inline void direct_ref_list_init(H264Context * const h){
|
|
MpegEncContext * const s = &h->s;
|
|
Picture * const ref1 = &h->ref_list[1][0];
|
|
Picture * const cur = s->current_picture_ptr;
|
|
int list, i, j;
|
|
if(cur->pict_type == I_TYPE)
|
|
cur->ref_count[0] = 0;
|
|
if(cur->pict_type != B_TYPE)
|
|
cur->ref_count[1] = 0;
|
|
for(list=0; list<2; list++){
|
|
cur->ref_count[list] = h->ref_count[list];
|
|
for(j=0; j<h->ref_count[list]; j++)
|
|
cur->ref_poc[list][j] = h->ref_list[list][j].poc;
|
|
}
|
|
if(cur->pict_type != B_TYPE || h->direct_spatial_mv_pred)
|
|
return;
|
|
for(list=0; list<2; list++){
|
|
for(i=0; i<ref1->ref_count[list]; i++){
|
|
const int poc = ref1->ref_poc[list][i];
|
|
h->map_col_to_list0[list][i] = PART_NOT_AVAILABLE;
|
|
for(j=0; j<h->ref_count[list]; j++)
|
|
if(h->ref_list[list][j].poc == poc){
|
|
h->map_col_to_list0[list][i] = j;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void pred_direct_motion(H264Context * const h, int *mb_type){
|
|
MpegEncContext * const s = &h->s;
|
|
const int mb_xy = s->mb_x + s->mb_y*s->mb_stride;
|
|
const int b8_xy = 2*s->mb_x + 2*s->mb_y*h->b8_stride;
|
|
const int b4_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
|
|
const int mb_type_col = h->ref_list[1][0].mb_type[mb_xy];
|
|
const int16_t (*l1mv0)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[0][b4_xy];
|
|
const int8_t *l1ref0 = &h->ref_list[1][0].ref_index[0][b8_xy];
|
|
const int8_t *l1ref1 = &h->ref_list[1][0].ref_index[1][b8_xy];
|
|
const int is_b8x8 = IS_8X8(*mb_type);
|
|
int sub_mb_type;
|
|
int i8, i4;
|
|
|
|
if(IS_8X8(mb_type_col) && !h->sps.direct_8x8_inference_flag){
|
|
/* FIXME save sub mb types from previous frames (or derive from MVs)
|
|
* so we know exactly what block size to use */
|
|
sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_4x4 */
|
|
*mb_type = MB_TYPE_8x8|MB_TYPE_L0L1;
|
|
}else if(!is_b8x8 && (IS_16X16(mb_type_col) || IS_INTRA(mb_type_col))){
|
|
sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
|
|
*mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_16x16 */
|
|
}else{
|
|
sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
|
|
*mb_type = MB_TYPE_8x8|MB_TYPE_L0L1;
|
|
}
|
|
if(!is_b8x8)
|
|
*mb_type |= MB_TYPE_DIRECT2;
|
|
|
|
tprintf("mb_type = %08x, sub_mb_type = %08x, is_b8x8 = %d, mb_type_col = %08x\n", *mb_type, sub_mb_type, is_b8x8, mb_type_col);
|
|
|
|
if(h->direct_spatial_mv_pred){
|
|
int ref[2];
|
|
int mv[2][2];
|
|
int list;
|
|
|
|
/* ref = min(neighbors) */
|
|
for(list=0; list<2; list++){
|
|
int refa = h->ref_cache[list][scan8[0] - 1];
|
|
int refb = h->ref_cache[list][scan8[0] - 8];
|
|
int refc = h->ref_cache[list][scan8[0] - 8 + 4];
|
|
if(refc == -2)
|
|
refc = h->ref_cache[list][scan8[0] - 8 - 1];
|
|
ref[list] = refa;
|
|
if(ref[list] < 0 || (refb < ref[list] && refb >= 0))
|
|
ref[list] = refb;
|
|
if(ref[list] < 0 || (refc < ref[list] && refc >= 0))
|
|
ref[list] = refc;
|
|
if(ref[list] < 0)
|
|
ref[list] = -1;
|
|
}
|
|
|
|
if(ref[0] < 0 && ref[1] < 0){
|
|
ref[0] = ref[1] = 0;
|
|
mv[0][0] = mv[0][1] =
|
|
mv[1][0] = mv[1][1] = 0;
|
|
}else{
|
|
for(list=0; list<2; list++){
|
|
if(ref[list] >= 0)
|
|
pred_motion(h, 0, 4, list, ref[list], &mv[list][0], &mv[list][1]);
|
|
else
|
|
mv[list][0] = mv[list][1] = 0;
|
|
}
|
|
}
|
|
|
|
if(ref[1] < 0){
|
|
*mb_type &= ~MB_TYPE_P0L1;
|
|
sub_mb_type &= ~MB_TYPE_P0L1;
|
|
}else if(ref[0] < 0){
|
|
*mb_type &= ~MB_TYPE_P0L0;
|
|
sub_mb_type &= ~MB_TYPE_P0L0;
|
|
}
|
|
|
|
if(IS_16X16(*mb_type)){
|
|
fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref[0], 1);
|
|
fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, ref[1], 1);
|
|
if(!IS_INTRA(mb_type_col) && l1ref0[0] == 0 &&
|
|
ABS(l1mv0[0][0]) <= 1 && ABS(l1mv0[0][1]) <= 1){
|
|
if(ref[0] > 0)
|
|
fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv[0][0],mv[0][1]), 4);
|
|
else
|
|
fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
|
|
if(ref[1] > 0)
|
|
fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv[1][0],mv[1][1]), 4);
|
|
else
|
|
fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);
|
|
}else{
|
|
fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv[0][0],mv[0][1]), 4);
|
|
fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv[1][0],mv[1][1]), 4);
|
|
}
|
|
}else{
|
|
for(i8=0; i8<4; i8++){
|
|
const int x8 = i8&1;
|
|
const int y8 = i8>>1;
|
|
|
|
if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
|
|
continue;
|
|
h->sub_mb_type[i8] = sub_mb_type;
|
|
|
|
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mv[0][0],mv[0][1]), 4);
|
|
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mv[1][0],mv[1][1]), 4);
|
|
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref[0], 1);
|
|
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, ref[1], 1);
|
|
|
|
/* col_zero_flag */
|
|
if(!IS_INTRA(mb_type_col) && l1ref0[x8 + y8*h->b8_stride] == 0){
|
|
for(i4=0; i4<4; i4++){
|
|
const int16_t *mv_col = l1mv0[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
|
|
if(ABS(mv_col[0]) <= 1 && ABS(mv_col[1]) <= 1){
|
|
if(ref[0] == 0)
|
|
*(uint32_t*)h->mv_cache[0][scan8[i8*4+i4]] = 0;
|
|
if(ref[1] == 0)
|
|
*(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}else{ /* direct temporal mv pred */
|
|
if(IS_16X16(*mb_type)){
|
|
fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1);
|
|
if(IS_INTRA(mb_type_col)){
|
|
fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
|
|
fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
|
|
fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);
|
|
}else{
|
|
const int ref0 = l1ref0[0] >= 0 ? h->map_col_to_list0[0][l1ref0[0]]
|
|
: h->map_col_to_list0[1][l1ref1[0]];
|
|
const int dist_scale_factor = h->dist_scale_factor[ref0];
|
|
const int16_t *mv_col = l1mv0[0];
|
|
int mv_l0[2];
|
|
mv_l0[0] = (dist_scale_factor * mv_col[0] + 128) >> 8;
|
|
mv_l0[1] = (dist_scale_factor * mv_col[1] + 128) >> 8;
|
|
fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref0, 1);
|
|
fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv_l0[0],mv_l0[1]), 4);
|
|
fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]), 4);
|
|
}
|
|
}else{
|
|
for(i8=0; i8<4; i8++){
|
|
const int x8 = i8&1;
|
|
const int y8 = i8>>1;
|
|
int ref0, dist_scale_factor;
|
|
|
|
if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
|
|
continue;
|
|
h->sub_mb_type[i8] = sub_mb_type;
|
|
if(IS_INTRA(mb_type_col)){
|
|
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
|
|
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
|
|
fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
|
|
fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
|
|
continue;
|
|
}
|
|
|
|
ref0 = l1ref0[x8 + y8*h->b8_stride];
|
|
if(ref0 >= 0)
|
|
ref0 = h->map_col_to_list0[0][ref0];
|
|
else
|
|
ref0 = h->map_col_to_list0[1][l1ref1[x8 + y8*h->b8_stride]];
|
|
dist_scale_factor = h->dist_scale_factor[ref0];
|
|
|
|
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
|
|
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
|
|
for(i4=0; i4<4; i4++){
|
|
const int16_t *mv_col = l1mv0[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
|
|
int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]];
|
|
mv_l0[0] = (dist_scale_factor * mv_col[0] + 128) >> 8;
|
|
mv_l0[1] = (dist_scale_factor * mv_col[1] + 128) >> 8;
|
|
*(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] =
|
|
pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void write_back_motion(H264Context *h, int mb_type){
|
|
MpegEncContext * const s = &h->s;
|
|
const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
|
|
const int b8_xy= 2*s->mb_x + 2*s->mb_y*h->b8_stride;
|
|
int list;
|
|
|
|
for(list=0; list<2; list++){
|
|
int y;
|
|
if(!USES_LIST(mb_type, list)){
|
|
if(1){ //FIXME skip or never read if mb_type doesn't use it
|
|
for(y=0; y<4; y++){
|
|
*(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]=
|
|
*(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= 0;
|
|
}
|
|
if( h->pps.cabac ) {
|
|
/* FIXME needed ? */
|
|
for(y=0; y<4; y++){
|
|
*(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]=
|
|
*(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= 0;
|
|
}
|
|
}
|
|
for(y=0; y<2; y++){
|
|
s->current_picture.ref_index[list][b8_xy + 0 + y*h->b8_stride]=
|
|
s->current_picture.ref_index[list][b8_xy + 1 + y*h->b8_stride]= LIST_NOT_USED;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
for(y=0; y<4; y++){
|
|
*(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+0 + 8*y];
|
|
*(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+2 + 8*y];
|
|
}
|
|
if( h->pps.cabac ) {
|
|
for(y=0; y<4; y++){
|
|
*(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+0 + 8*y];
|
|
*(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+2 + 8*y];
|
|
}
|
|
}
|
|
for(y=0; y<2; y++){
|
|
s->current_picture.ref_index[list][b8_xy + 0 + y*h->b8_stride]= h->ref_cache[list][scan8[0]+0 + 16*y];
|
|
s->current_picture.ref_index[list][b8_xy + 1 + y*h->b8_stride]= h->ref_cache[list][scan8[0]+2 + 16*y];
|
|
}
|
|
}
|
|
|
|
if(h->slice_type == B_TYPE && h->pps.cabac){
|
|
if(IS_8X8(mb_type)){
|
|
h->direct_table[b8_xy+1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0;
|
|
h->direct_table[b8_xy+0+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[2]) ? 1 : 0;
|
|
h->direct_table[b8_xy+1+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[3]) ? 1 : 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Decodes a network abstraction layer unit.
|
|
* @param consumed is the number of bytes used as input
|
|
* @param length is the length of the array
|
|
* @param dst_length is the number of decoded bytes FIXME here or a decode rbsp tailing?
|
|
* @returns decoded bytes, might be src+1 if no escapes
|
|
*/
|
|
static uint8_t *decode_nal(H264Context *h, uint8_t *src, int *dst_length, int *consumed, int length){
|
|
int i, si, di;
|
|
uint8_t *dst;
|
|
|
|
// src[0]&0x80; //forbidden bit
|
|
h->nal_ref_idc= src[0]>>5;
|
|
h->nal_unit_type= src[0]&0x1F;
|
|
|
|
src++; length--;
|
|
#if 0
|
|
for(i=0; i<length; i++)
|
|
printf("%2X ", src[i]);
|
|
#endif
|
|
for(i=0; i+1<length; i+=2){
|
|
if(src[i]) continue;
|
|
if(i>0 && src[i-1]==0) i--;
|
|
if(i+2<length && src[i+1]==0 && src[i+2]<=3){
|
|
if(src[i+2]!=3){
|
|
/* startcode, so we must be past the end */
|
|
length=i;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(i>=length-1){ //no escaped 0
|
|
*dst_length= length;
|
|
*consumed= length+1; //+1 for the header
|
|
return src;
|
|
}
|
|
|
|
h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length);
|
|
dst= h->rbsp_buffer;
|
|
|
|
//printf("decoding esc\n");
|
|
si=di=0;
|
|
while(si<length){
|
|
//remove escapes (very rare 1:2^22)
|
|
if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
|
|
if(src[si+2]==3){ //escape
|
|
dst[di++]= 0;
|
|
dst[di++]= 0;
|
|
si+=3;
|
|
continue;
|
|
}else //next start code
|
|
break;
|
|
}
|
|
|
|
dst[di++]= src[si++];
|
|
}
|
|
|
|
*dst_length= di;
|
|
*consumed= si + 1;//+1 for the header
|
|
//FIXME store exact number of bits in the getbitcontext (its needed for decoding)
|
|
return dst;
|
|
}
|
|
|
|
#if 0
|
|
/**
|
|
* @param src the data which should be escaped
|
|
* @param dst the target buffer, dst+1 == src is allowed as a special case
|
|
* @param length the length of the src data
|
|
* @param dst_length the length of the dst array
|
|
* @returns length of escaped data in bytes or -1 if an error occured
|
|
*/
|
|
static int encode_nal(H264Context *h, uint8_t *dst, uint8_t *src, int length, int dst_length){
|
|
int i, escape_count, si, di;
|
|
uint8_t *temp;
|
|
|
|
assert(length>=0);
|
|
assert(dst_length>0);
|
|
|
|
dst[0]= (h->nal_ref_idc<<5) + h->nal_unit_type;
|
|
|
|
if(length==0) return 1;
|
|
|
|
escape_count= 0;
|
|
for(i=0; i<length; i+=2){
|
|
if(src[i]) continue;
|
|
if(i>0 && src[i-1]==0)
|
|
i--;
|
|
if(i+2<length && src[i+1]==0 && src[i+2]<=3){
|
|
escape_count++;
|
|
i+=2;
|
|
}
|
|
}
|
|
|
|
if(escape_count==0){
|
|
if(dst+1 != src)
|
|
memcpy(dst+1, src, length);
|
|
return length + 1;
|
|
}
|
|
|
|
if(length + escape_count + 1> dst_length)
|
|
return -1;
|
|
|
|
//this should be damn rare (hopefully)
|
|
|
|
h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length + escape_count);
|
|
temp= h->rbsp_buffer;
|
|
//printf("encoding esc\n");
|
|
|
|
si= 0;
|
|
di= 0;
|
|
while(si < length){
|
|
if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
|
|
temp[di++]= 0; si++;
|
|
temp[di++]= 0; si++;
|
|
temp[di++]= 3;
|
|
temp[di++]= src[si++];
|
|
}
|
|
else
|
|
temp[di++]= src[si++];
|
|
}
|
|
memcpy(dst+1, temp, length+escape_count);
|
|
|
|
assert(di == length+escape_count);
|
|
|
|
return di + 1;
|
|
}
|
|
|
|
/**
|
|
* write 1,10,100,1000,... for alignment, yes its exactly inverse to mpeg4
|
|
*/
|
|
static void encode_rbsp_trailing(PutBitContext *pb){
|
|
int length;
|
|
put_bits(pb, 1, 1);
|
|
length= (-put_bits_count(pb))&7;
|
|
if(length) put_bits(pb, length, 0);
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* identifies the exact end of the bitstream
|
|
* @return the length of the trailing, or 0 if damaged
|
|
*/
|
|
static int decode_rbsp_trailing(uint8_t *src){
|
|
int v= *src;
|
|
int r;
|
|
|
|
tprintf("rbsp trailing %X\n", v);
|
|
|
|
for(r=1; r<9; r++){
|
|
if(v&1) return r;
|
|
v>>=1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* idct tranforms the 16 dc values and dequantize them.
|
|
* @param qp quantization parameter
|
|
*/
|
|
static void h264_luma_dc_dequant_idct_c(DCTELEM *block, int qp){
|
|
const int qmul= dequant_coeff[qp][0];
|
|
#define stride 16
|
|
int i;
|
|
int temp[16]; //FIXME check if this is a good idea
|
|
static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride};
|
|
static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
|
|
|
|
//memset(block, 64, 2*256);
|
|
//return;
|
|
for(i=0; i<4; i++){
|
|
const int offset= y_offset[i];
|
|
const int z0= block[offset+stride*0] + block[offset+stride*4];
|
|
const int z1= block[offset+stride*0] - block[offset+stride*4];
|
|
const int z2= block[offset+stride*1] - block[offset+stride*5];
|
|
const int z3= block[offset+stride*1] + block[offset+stride*5];
|
|
|
|
temp[4*i+0]= z0+z3;
|
|
temp[4*i+1]= z1+z2;
|
|
temp[4*i+2]= z1-z2;
|
|
temp[4*i+3]= z0-z3;
|
|
}
|
|
|
|
for(i=0; i<4; i++){
|
|
const int offset= x_offset[i];
|
|
const int z0= temp[4*0+i] + temp[4*2+i];
|
|
const int z1= temp[4*0+i] - temp[4*2+i];
|
|
const int z2= temp[4*1+i] - temp[4*3+i];
|
|
const int z3= temp[4*1+i] + temp[4*3+i];
|
|
|
|
block[stride*0 +offset]= ((z0 + z3)*qmul + 2)>>2; //FIXME think about merging this into decode_resdual
|
|
block[stride*2 +offset]= ((z1 + z2)*qmul + 2)>>2;
|
|
block[stride*8 +offset]= ((z1 - z2)*qmul + 2)>>2;
|
|
block[stride*10+offset]= ((z0 - z3)*qmul + 2)>>2;
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
/**
|
|
* dct tranforms the 16 dc values.
|
|
* @param qp quantization parameter ??? FIXME
|
|
*/
|
|
static void h264_luma_dc_dct_c(DCTELEM *block/*, int qp*/){
|
|
// const int qmul= dequant_coeff[qp][0];
|
|
int i;
|
|
int temp[16]; //FIXME check if this is a good idea
|
|
static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride};
|
|
static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
|
|
|
|
for(i=0; i<4; i++){
|
|
const int offset= y_offset[i];
|
|
const int z0= block[offset+stride*0] + block[offset+stride*4];
|
|
const int z1= block[offset+stride*0] - block[offset+stride*4];
|
|
const int z2= block[offset+stride*1] - block[offset+stride*5];
|
|
const int z3= block[offset+stride*1] + block[offset+stride*5];
|
|
|
|
temp[4*i+0]= z0+z3;
|
|
temp[4*i+1]= z1+z2;
|
|
temp[4*i+2]= z1-z2;
|
|
temp[4*i+3]= z0-z3;
|
|
}
|
|
|
|
for(i=0; i<4; i++){
|
|
const int offset= x_offset[i];
|
|
const int z0= temp[4*0+i] + temp[4*2+i];
|
|
const int z1= temp[4*0+i] - temp[4*2+i];
|
|
const int z2= temp[4*1+i] - temp[4*3+i];
|
|
const int z3= temp[4*1+i] + temp[4*3+i];
|
|
|
|
block[stride*0 +offset]= (z0 + z3)>>1;
|
|
block[stride*2 +offset]= (z1 + z2)>>1;
|
|
block[stride*8 +offset]= (z1 - z2)>>1;
|
|
block[stride*10+offset]= (z0 - z3)>>1;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#undef xStride
|
|
#undef stride
|
|
|
|
static void chroma_dc_dequant_idct_c(DCTELEM *block, int qp){
|
|
const int qmul= dequant_coeff[qp][0];
|
|
const int stride= 16*2;
|
|
const int xStride= 16;
|
|
int a,b,c,d,e;
|
|
|
|
a= block[stride*0 + xStride*0];
|
|
b= block[stride*0 + xStride*1];
|
|
c= block[stride*1 + xStride*0];
|
|
d= block[stride*1 + xStride*1];
|
|
|
|
e= a-b;
|
|
a= a+b;
|
|
b= c-d;
|
|
c= c+d;
|
|
|
|
block[stride*0 + xStride*0]= ((a+c)*qmul + 0)>>1;
|
|
block[stride*0 + xStride*1]= ((e+b)*qmul + 0)>>1;
|
|
block[stride*1 + xStride*0]= ((a-c)*qmul + 0)>>1;
|
|
block[stride*1 + xStride*1]= ((e-b)*qmul + 0)>>1;
|
|
}
|
|
|
|
#if 0
|
|
static void chroma_dc_dct_c(DCTELEM *block){
|
|
const int stride= 16*2;
|
|
const int xStride= 16;
|
|
int a,b,c,d,e;
|
|
|
|
a= block[stride*0 + xStride*0];
|
|
b= block[stride*0 + xStride*1];
|
|
c= block[stride*1 + xStride*0];
|
|
d= block[stride*1 + xStride*1];
|
|
|
|
e= a-b;
|
|
a= a+b;
|
|
b= c-d;
|
|
c= c+d;
|
|
|
|
block[stride*0 + xStride*0]= (a+c);
|
|
block[stride*0 + xStride*1]= (e+b);
|
|
block[stride*1 + xStride*0]= (a-c);
|
|
block[stride*1 + xStride*1]= (e-b);
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* gets the chroma qp.
|
|
*/
|
|
static inline int get_chroma_qp(int chroma_qp_index_offset, int qscale){
|
|
|
|
return chroma_qp[clip(qscale + chroma_qp_index_offset, 0, 51)];
|
|
}
|
|
|
|
|
|
#if 0
|
|
static void h264_diff_dct_c(DCTELEM *block, uint8_t *src1, uint8_t *src2, int stride){
|
|
int i;
|
|
//FIXME try int temp instead of block
|
|
|
|
for(i=0; i<4; i++){
|
|
const int d0= src1[0 + i*stride] - src2[0 + i*stride];
|
|
const int d1= src1[1 + i*stride] - src2[1 + i*stride];
|
|
const int d2= src1[2 + i*stride] - src2[2 + i*stride];
|
|
const int d3= src1[3 + i*stride] - src2[3 + i*stride];
|
|
const int z0= d0 + d3;
|
|
const int z3= d0 - d3;
|
|
const int z1= d1 + d2;
|
|
const int z2= d1 - d2;
|
|
|
|
block[0 + 4*i]= z0 + z1;
|
|
block[1 + 4*i]= 2*z3 + z2;
|
|
block[2 + 4*i]= z0 - z1;
|
|
block[3 + 4*i]= z3 - 2*z2;
|
|
}
|
|
|
|
for(i=0; i<4; i++){
|
|
const int z0= block[0*4 + i] + block[3*4 + i];
|
|
const int z3= block[0*4 + i] - block[3*4 + i];
|
|
const int z1= block[1*4 + i] + block[2*4 + i];
|
|
const int z2= block[1*4 + i] - block[2*4 + i];
|
|
|
|
block[0*4 + i]= z0 + z1;
|
|
block[1*4 + i]= 2*z3 + z2;
|
|
block[2*4 + i]= z0 - z1;
|
|
block[3*4 + i]= z3 - 2*z2;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
//FIXME need to check that this doesnt overflow signed 32 bit for low qp, i am not sure, it's very close
|
|
//FIXME check that gcc inlines this (and optimizes intra & seperate_dc stuff away)
|
|
static inline int quantize_c(DCTELEM *block, uint8_t *scantable, int qscale, int intra, int seperate_dc){
|
|
int i;
|
|
const int * const quant_table= quant_coeff[qscale];
|
|
const int bias= intra ? (1<<QUANT_SHIFT)/3 : (1<<QUANT_SHIFT)/6;
|
|
const unsigned int threshold1= (1<<QUANT_SHIFT) - bias - 1;
|
|
const unsigned int threshold2= (threshold1<<1);
|
|
int last_non_zero;
|
|
|
|
if(seperate_dc){
|
|
if(qscale<=18){
|
|
//avoid overflows
|
|
const int dc_bias= intra ? (1<<(QUANT_SHIFT-2))/3 : (1<<(QUANT_SHIFT-2))/6;
|
|
const unsigned int dc_threshold1= (1<<(QUANT_SHIFT-2)) - dc_bias - 1;
|
|
const unsigned int dc_threshold2= (dc_threshold1<<1);
|
|
|
|
int level= block[0]*quant_coeff[qscale+18][0];
|
|
if(((unsigned)(level+dc_threshold1))>dc_threshold2){
|
|
if(level>0){
|
|
level= (dc_bias + level)>>(QUANT_SHIFT-2);
|
|
block[0]= level;
|
|
}else{
|
|
level= (dc_bias - level)>>(QUANT_SHIFT-2);
|
|
block[0]= -level;
|
|
}
|
|
// last_non_zero = i;
|
|
}else{
|
|
block[0]=0;
|
|
}
|
|
}else{
|
|
const int dc_bias= intra ? (1<<(QUANT_SHIFT+1))/3 : (1<<(QUANT_SHIFT+1))/6;
|
|
const unsigned int dc_threshold1= (1<<(QUANT_SHIFT+1)) - dc_bias - 1;
|
|
const unsigned int dc_threshold2= (dc_threshold1<<1);
|
|
|
|
int level= block[0]*quant_table[0];
|
|
if(((unsigned)(level+dc_threshold1))>dc_threshold2){
|
|
if(level>0){
|
|
level= (dc_bias + level)>>(QUANT_SHIFT+1);
|
|
block[0]= level;
|
|
}else{
|
|
level= (dc_bias - level)>>(QUANT_SHIFT+1);
|
|
block[0]= -level;
|
|
}
|
|
// last_non_zero = i;
|
|
}else{
|
|
block[0]=0;
|
|
}
|
|
}
|
|
last_non_zero= 0;
|
|
i=1;
|
|
}else{
|
|
last_non_zero= -1;
|
|
i=0;
|
|
}
|
|
|
|
for(; i<16; i++){
|
|
const int j= scantable[i];
|
|
int level= block[j]*quant_table[j];
|
|
|
|
// if( bias+level >= (1<<(QMAT_SHIFT - 3))
|
|
// || bias-level >= (1<<(QMAT_SHIFT - 3))){
|
|
if(((unsigned)(level+threshold1))>threshold2){
|
|
if(level>0){
|
|
level= (bias + level)>>QUANT_SHIFT;
|
|
block[j]= level;
|
|
}else{
|
|
level= (bias - level)>>QUANT_SHIFT;
|
|
block[j]= -level;
|
|
}
|
|
last_non_zero = i;
|
|
}else{
|
|
block[j]=0;
|
|
}
|
|
}
|
|
|
|
return last_non_zero;
|
|
}
|
|
|
|
static void pred4x4_vertical_c(uint8_t *src, uint8_t *topright, int stride){
|
|
const uint32_t a= ((uint32_t*)(src-stride))[0];
|
|
((uint32_t*)(src+0*stride))[0]= a;
|
|
((uint32_t*)(src+1*stride))[0]= a;
|
|
((uint32_t*)(src+2*stride))[0]= a;
|
|
((uint32_t*)(src+3*stride))[0]= a;
|
|
}
|
|
|
|
static void pred4x4_horizontal_c(uint8_t *src, uint8_t *topright, int stride){
|
|
((uint32_t*)(src+0*stride))[0]= src[-1+0*stride]*0x01010101;
|
|
((uint32_t*)(src+1*stride))[0]= src[-1+1*stride]*0x01010101;
|
|
((uint32_t*)(src+2*stride))[0]= src[-1+2*stride]*0x01010101;
|
|
((uint32_t*)(src+3*stride))[0]= src[-1+3*stride]*0x01010101;
|
|
}
|
|
|
|
static void pred4x4_dc_c(uint8_t *src, uint8_t *topright, int stride){
|
|
const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride]
|
|
+ src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 4) >>3;
|
|
|
|
((uint32_t*)(src+0*stride))[0]=
|
|
((uint32_t*)(src+1*stride))[0]=
|
|
((uint32_t*)(src+2*stride))[0]=
|
|
((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
|
|
}
|
|
|
|
static void pred4x4_left_dc_c(uint8_t *src, uint8_t *topright, int stride){
|
|
const int dc= ( src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 2) >>2;
|
|
|
|
((uint32_t*)(src+0*stride))[0]=
|
|
((uint32_t*)(src+1*stride))[0]=
|
|
((uint32_t*)(src+2*stride))[0]=
|
|
((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
|
|
}
|
|
|
|
static void pred4x4_top_dc_c(uint8_t *src, uint8_t *topright, int stride){
|
|
const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] + 2) >>2;
|
|
|
|
((uint32_t*)(src+0*stride))[0]=
|
|
((uint32_t*)(src+1*stride))[0]=
|
|
((uint32_t*)(src+2*stride))[0]=
|
|
((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
|
|
}
|
|
|
|
static void pred4x4_128_dc_c(uint8_t *src, uint8_t *topright, int stride){
|
|
((uint32_t*)(src+0*stride))[0]=
|
|
((uint32_t*)(src+1*stride))[0]=
|
|
((uint32_t*)(src+2*stride))[0]=
|
|
((uint32_t*)(src+3*stride))[0]= 128U*0x01010101U;
|
|
}
|
|
|
|
|
|
#define LOAD_TOP_RIGHT_EDGE\
|
|
const int t4= topright[0];\
|
|
const int t5= topright[1];\
|
|
const int t6= topright[2];\
|
|
const int t7= topright[3];\
|
|
|
|
#define LOAD_LEFT_EDGE\
|
|
const int l0= src[-1+0*stride];\
|
|
const int l1= src[-1+1*stride];\
|
|
const int l2= src[-1+2*stride];\
|
|
const int l3= src[-1+3*stride];\
|
|
|
|
#define LOAD_TOP_EDGE\
|
|
const int t0= src[ 0-1*stride];\
|
|
const int t1= src[ 1-1*stride];\
|
|
const int t2= src[ 2-1*stride];\
|
|
const int t3= src[ 3-1*stride];\
|
|
|
|
static void pred4x4_down_right_c(uint8_t *src, uint8_t *topright, int stride){
|
|
const int lt= src[-1-1*stride];
|
|
LOAD_TOP_EDGE
|
|
LOAD_LEFT_EDGE
|
|
|
|
src[0+3*stride]=(l3 + 2*l2 + l1 + 2)>>2;
|
|
src[0+2*stride]=
|
|
src[1+3*stride]=(l2 + 2*l1 + l0 + 2)>>2;
|
|
src[0+1*stride]=
|
|
src[1+2*stride]=
|
|
src[2+3*stride]=(l1 + 2*l0 + lt + 2)>>2;
|
|
src[0+0*stride]=
|
|
src[1+1*stride]=
|
|
src[2+2*stride]=
|
|
src[3+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
|
|
src[1+0*stride]=
|
|
src[2+1*stride]=
|
|
src[3+2*stride]=(lt + 2*t0 + t1 + 2)>>2;
|
|
src[2+0*stride]=
|
|
src[3+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
|
|
src[3+0*stride]=(t1 + 2*t2 + t3 + 2)>>2;
|
|
}
|
|
|
|
static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){
|
|
LOAD_TOP_EDGE
|
|
LOAD_TOP_RIGHT_EDGE
|
|
// LOAD_LEFT_EDGE
|
|
|
|
src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2;
|
|
src[1+0*stride]=
|
|
src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2;
|
|
src[2+0*stride]=
|
|
src[1+1*stride]=
|
|
src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2;
|
|
src[3+0*stride]=
|
|
src[2+1*stride]=
|
|
src[1+2*stride]=
|
|
src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2;
|
|
src[3+1*stride]=
|
|
src[2+2*stride]=
|
|
src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2;
|
|
src[3+2*stride]=
|
|
src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;
|
|
src[3+3*stride]=(t6 + 3*t7 + 2)>>2;
|
|
}
|
|
|
|
static void pred4x4_vertical_right_c(uint8_t *src, uint8_t *topright, int stride){
|
|
const int lt= src[-1-1*stride];
|
|
LOAD_TOP_EDGE
|
|
LOAD_LEFT_EDGE
|
|
const __attribute__((unused)) int unu= l3;
|
|
|
|
src[0+0*stride]=
|
|
src[1+2*stride]=(lt + t0 + 1)>>1;
|
|
src[1+0*stride]=
|
|
src[2+2*stride]=(t0 + t1 + 1)>>1;
|
|
src[2+0*stride]=
|
|
src[3+2*stride]=(t1 + t2 + 1)>>1;
|
|
src[3+0*stride]=(t2 + t3 + 1)>>1;
|
|
src[0+1*stride]=
|
|
src[1+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
|
|
src[1+1*stride]=
|
|
src[2+3*stride]=(lt + 2*t0 + t1 + 2)>>2;
|
|
src[2+1*stride]=
|
|
src[3+3*stride]=(t0 + 2*t1 + t2 + 2)>>2;
|
|
src[3+1*stride]=(t1 + 2*t2 + t3 + 2)>>2;
|
|
src[0+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
|
|
src[0+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
|
|
}
|
|
|
|
static void pred4x4_vertical_left_c(uint8_t *src, uint8_t *topright, int stride){
|
|
LOAD_TOP_EDGE
|
|
LOAD_TOP_RIGHT_EDGE
|
|
const __attribute__((unused)) int unu= t7;
|
|
|
|
src[0+0*stride]=(t0 + t1 + 1)>>1;
|
|
src[1+0*stride]=
|
|
src[0+2*stride]=(t1 + t2 + 1)>>1;
|
|
src[2+0*stride]=
|
|
src[1+2*stride]=(t2 + t3 + 1)>>1;
|
|
src[3+0*stride]=
|
|
src[2+2*stride]=(t3 + t4+ 1)>>1;
|
|
src[3+2*stride]=(t4 + t5+ 1)>>1;
|
|
src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
|
|
src[1+1*stride]=
|
|
src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
|
|
src[2+1*stride]=
|
|
src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
|
|
src[3+1*stride]=
|
|
src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
|
|
src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;
|
|
}
|
|
|
|
static void pred4x4_horizontal_up_c(uint8_t *src, uint8_t *topright, int stride){
|
|
LOAD_LEFT_EDGE
|
|
|
|
src[0+0*stride]=(l0 + l1 + 1)>>1;
|
|
src[1+0*stride]=(l0 + 2*l1 + l2 + 2)>>2;
|
|
src[2+0*stride]=
|
|
src[0+1*stride]=(l1 + l2 + 1)>>1;
|
|
src[3+0*stride]=
|
|
src[1+1*stride]=(l1 + 2*l2 + l3 + 2)>>2;
|
|
src[2+1*stride]=
|
|
src[0+2*stride]=(l2 + l3 + 1)>>1;
|
|
src[3+1*stride]=
|
|
src[1+2*stride]=(l2 + 2*l3 + l3 + 2)>>2;
|
|
src[3+2*stride]=
|
|
src[1+3*stride]=
|
|
src[0+3*stride]=
|
|
src[2+2*stride]=
|
|
src[2+3*stride]=
|
|
src[3+3*stride]=l3;
|
|
}
|
|
|
|
static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int stride){
|
|
const int lt= src[-1-1*stride];
|
|
LOAD_TOP_EDGE
|
|
LOAD_LEFT_EDGE
|
|
const __attribute__((unused)) int unu= t3;
|
|
|
|
src[0+0*stride]=
|
|
src[2+1*stride]=(lt + l0 + 1)>>1;
|
|
src[1+0*stride]=
|
|
src[3+1*stride]=(l0 + 2*lt + t0 + 2)>>2;
|
|
src[2+0*stride]=(lt + 2*t0 + t1 + 2)>>2;
|
|
src[3+0*stride]=(t0 + 2*t1 + t2 + 2)>>2;
|
|
src[0+1*stride]=
|
|
src[2+2*stride]=(l0 + l1 + 1)>>1;
|
|
src[1+1*stride]=
|
|
src[3+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
|
|
src[0+2*stride]=
|
|
src[2+3*stride]=(l1 + l2+ 1)>>1;
|
|
src[1+2*stride]=
|
|
src[3+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
|
|
src[0+3*stride]=(l2 + l3 + 1)>>1;
|
|
src[1+3*stride]=(l1 + 2*l2 + l3 + 2)>>2;
|
|
}
|
|
|
|
static void pred16x16_vertical_c(uint8_t *src, int stride){
|
|
int i;
|
|
const uint32_t a= ((uint32_t*)(src-stride))[0];
|
|
const uint32_t b= ((uint32_t*)(src-stride))[1];
|
|
const uint32_t c= ((uint32_t*)(src-stride))[2];
|
|
const uint32_t d= ((uint32_t*)(src-stride))[3];
|
|
|
|
for(i=0; i<16; i++){
|
|
((uint32_t*)(src+i*stride))[0]= a;
|
|
((uint32_t*)(src+i*stride))[1]= b;
|
|
((uint32_t*)(src+i*stride))[2]= c;
|
|
((uint32_t*)(src+i*stride))[3]= d;
|
|
}
|
|
}
|
|
|
|
static void pred16x16_horizontal_c(uint8_t *src, int stride){
|
|
int i;
|
|
|
|
for(i=0; i<16; i++){
|
|
((uint32_t*)(src+i*stride))[0]=
|
|
((uint32_t*)(src+i*stride))[1]=
|
|
((uint32_t*)(src+i*stride))[2]=
|
|
((uint32_t*)(src+i*stride))[3]= src[-1+i*stride]*0x01010101;
|
|
}
|
|
}
|
|
|
|
static void pred16x16_dc_c(uint8_t *src, int stride){
|
|
int i, dc=0;
|
|
|
|
for(i=0;i<16; i++){
|
|
dc+= src[-1+i*stride];
|
|
}
|
|
|
|
for(i=0;i<16; i++){
|
|
dc+= src[i-stride];
|
|
}
|
|
|
|
dc= 0x01010101*((dc + 16)>>5);
|
|
|
|
for(i=0; i<16; i++){
|
|
((uint32_t*)(src+i*stride))[0]=
|
|
((uint32_t*)(src+i*stride))[1]=
|
|
((uint32_t*)(src+i*stride))[2]=
|
|
((uint32_t*)(src+i*stride))[3]= dc;
|
|
}
|
|
}
|
|
|
|
static void pred16x16_left_dc_c(uint8_t *src, int stride){
|
|
int i, dc=0;
|
|
|
|
for(i=0;i<16; i++){
|
|
dc+= src[-1+i*stride];
|
|
}
|
|
|
|
dc= 0x01010101*((dc + 8)>>4);
|
|
|
|
for(i=0; i<16; i++){
|
|
((uint32_t*)(src+i*stride))[0]=
|
|
((uint32_t*)(src+i*stride))[1]=
|
|
((uint32_t*)(src+i*stride))[2]=
|
|
((uint32_t*)(src+i*stride))[3]= dc;
|
|
}
|
|
}
|
|
|
|
static void pred16x16_top_dc_c(uint8_t *src, int stride){
|
|
int i, dc=0;
|
|
|
|
for(i=0;i<16; i++){
|
|
dc+= src[i-stride];
|
|
}
|
|
dc= 0x01010101*((dc + 8)>>4);
|
|
|
|
for(i=0; i<16; i++){
|
|
((uint32_t*)(src+i*stride))[0]=
|
|
((uint32_t*)(src+i*stride))[1]=
|
|
((uint32_t*)(src+i*stride))[2]=
|
|
((uint32_t*)(src+i*stride))[3]= dc;
|
|
}
|
|
}
|
|
|
|
static void pred16x16_128_dc_c(uint8_t *src, int stride){
|
|
int i;
|
|
|
|
for(i=0; i<16; i++){
|
|
((uint32_t*)(src+i*stride))[0]=
|
|
((uint32_t*)(src+i*stride))[1]=
|
|
((uint32_t*)(src+i*stride))[2]=
|
|
((uint32_t*)(src+i*stride))[3]= 0x01010101U*128U;
|
|
}
|
|
}
|
|
|
|
static inline void pred16x16_plane_compat_c(uint8_t *src, int stride, const int svq3){
|
|
int i, j, k;
|
|
int a;
|
|
uint8_t *cm = cropTbl + MAX_NEG_CROP;
|
|
const uint8_t * const src0 = src+7-stride;
|
|
const uint8_t *src1 = src+8*stride-1;
|
|
const uint8_t *src2 = src1-2*stride; // == src+6*stride-1;
|
|
int H = src0[1] - src0[-1];
|
|
int V = src1[0] - src2[ 0];
|
|
for(k=2; k<=8; ++k) {
|
|
src1 += stride; src2 -= stride;
|
|
H += k*(src0[k] - src0[-k]);
|
|
V += k*(src1[0] - src2[ 0]);
|
|
}
|
|
if(svq3){
|
|
H = ( 5*(H/4) ) / 16;
|
|
V = ( 5*(V/4) ) / 16;
|
|
|
|
/* required for 100% accuracy */
|
|
i = H; H = V; V = i;
|
|
}else{
|
|
H = ( 5*H+32 ) >> 6;
|
|
V = ( 5*V+32 ) >> 6;
|
|
}
|
|
|
|
a = 16*(src1[0] + src2[16] + 1) - 7*(V+H);
|
|
for(j=16; j>0; --j) {
|
|
int b = a;
|
|
a += V;
|
|
for(i=-16; i<0; i+=4) {
|
|
src[16+i] = cm[ (b ) >> 5 ];
|
|
src[17+i] = cm[ (b+ H) >> 5 ];
|
|
src[18+i] = cm[ (b+2*H) >> 5 ];
|
|
src[19+i] = cm[ (b+3*H) >> 5 ];
|
|
b += 4*H;
|
|
}
|
|
src += stride;
|
|
}
|
|
}
|
|
|
|
static void pred16x16_plane_c(uint8_t *src, int stride){
|
|
pred16x16_plane_compat_c(src, stride, 0);
|
|
}
|
|
|
|
static void pred8x8_vertical_c(uint8_t *src, int stride){
|
|
int i;
|
|
const uint32_t a= ((uint32_t*)(src-stride))[0];
|
|
const uint32_t b= ((uint32_t*)(src-stride))[1];
|
|
|
|
for(i=0; i<8; i++){
|
|
((uint32_t*)(src+i*stride))[0]= a;
|
|
((uint32_t*)(src+i*stride))[1]= b;
|
|
}
|
|
}
|
|
|
|
static void pred8x8_horizontal_c(uint8_t *src, int stride){
|
|
int i;
|
|
|
|
for(i=0; i<8; i++){
|
|
((uint32_t*)(src+i*stride))[0]=
|
|
((uint32_t*)(src+i*stride))[1]= src[-1+i*stride]*0x01010101;
|
|
}
|
|
}
|
|
|
|
static void pred8x8_128_dc_c(uint8_t *src, int stride){
|
|
int i;
|
|
|
|
for(i=0; i<8; i++){
|
|
((uint32_t*)(src+i*stride))[0]=
|
|
((uint32_t*)(src+i*stride))[1]= 0x01010101U*128U;
|
|
}
|
|
}
|
|
|
|
static void pred8x8_left_dc_c(uint8_t *src, int stride){
|
|
int i;
|
|
int dc0, dc2;
|
|
|
|
dc0=dc2=0;
|
|
for(i=0;i<4; i++){
|
|
dc0+= src[-1+i*stride];
|
|
dc2+= src[-1+(i+4)*stride];
|
|
}
|
|
dc0= 0x01010101*((dc0 + 2)>>2);
|
|
dc2= 0x01010101*((dc2 + 2)>>2);
|
|
|
|
for(i=0; i<4; i++){
|
|
((uint32_t*)(src+i*stride))[0]=
|
|
((uint32_t*)(src+i*stride))[1]= dc0;
|
|
}
|
|
for(i=4; i<8; i++){
|
|
((uint32_t*)(src+i*stride))[0]=
|
|
((uint32_t*)(src+i*stride))[1]= dc2;
|
|
}
|
|
}
|
|
|
|
static void pred8x8_top_dc_c(uint8_t *src, int stride){
|
|
int i;
|
|
int dc0, dc1;
|
|
|
|
dc0=dc1=0;
|
|
for(i=0;i<4; i++){
|
|
dc0+= src[i-stride];
|
|
dc1+= src[4+i-stride];
|
|
}
|
|
dc0= 0x01010101*((dc0 + 2)>>2);
|
|
dc1= 0x01010101*((dc1 + 2)>>2);
|
|
|
|
for(i=0; i<4; i++){
|
|
((uint32_t*)(src+i*stride))[0]= dc0;
|
|
((uint32_t*)(src+i*stride))[1]= dc1;
|
|
}
|
|
for(i=4; i<8; i++){
|
|
((uint32_t*)(src+i*stride))[0]= dc0;
|
|
((uint32_t*)(src+i*stride))[1]= dc1;
|
|
}
|
|
}
|
|
|
|
|
|
static void pred8x8_dc_c(uint8_t *src, int stride){
|
|
int i;
|
|
int dc0, dc1, dc2, dc3;
|
|
|
|
dc0=dc1=dc2=0;
|
|
for(i=0;i<4; i++){
|
|
dc0+= src[-1+i*stride] + src[i-stride];
|
|
dc1+= src[4+i-stride];
|
|
dc2+= src[-1+(i+4)*stride];
|
|
}
|
|
dc3= 0x01010101*((dc1 + dc2 + 4)>>3);
|
|
dc0= 0x01010101*((dc0 + 4)>>3);
|
|
dc1= 0x01010101*((dc1 + 2)>>2);
|
|
dc2= 0x01010101*((dc2 + 2)>>2);
|
|
|
|
for(i=0; i<4; i++){
|
|
((uint32_t*)(src+i*stride))[0]= dc0;
|
|
((uint32_t*)(src+i*stride))[1]= dc1;
|
|
}
|
|
for(i=4; i<8; i++){
|
|
((uint32_t*)(src+i*stride))[0]= dc2;
|
|
((uint32_t*)(src+i*stride))[1]= dc3;
|
|
}
|
|
}
|
|
|
|
static void pred8x8_plane_c(uint8_t *src, int stride){
|
|
int j, k;
|
|
int a;
|
|
uint8_t *cm = cropTbl + MAX_NEG_CROP;
|
|
const uint8_t * const src0 = src+3-stride;
|
|
const uint8_t *src1 = src+4*stride-1;
|
|
const uint8_t *src2 = src1-2*stride; // == src+2*stride-1;
|
|
int H = src0[1] - src0[-1];
|
|
int V = src1[0] - src2[ 0];
|
|
for(k=2; k<=4; ++k) {
|
|
src1 += stride; src2 -= stride;
|
|
H += k*(src0[k] - src0[-k]);
|
|
V += k*(src1[0] - src2[ 0]);
|
|
}
|
|
H = ( 17*H+16 ) >> 5;
|
|
V = ( 17*V+16 ) >> 5;
|
|
|
|
a = 16*(src1[0] + src2[8]+1) - 3*(V+H);
|
|
for(j=8; j>0; --j) {
|
|
int b = a;
|
|
a += V;
|
|
src[0] = cm[ (b ) >> 5 ];
|
|
src[1] = cm[ (b+ H) >> 5 ];
|
|
src[2] = cm[ (b+2*H) >> 5 ];
|
|
src[3] = cm[ (b+3*H) >> 5 ];
|
|
src[4] = cm[ (b+4*H) >> 5 ];
|
|
src[5] = cm[ (b+5*H) >> 5 ];
|
|
src[6] = cm[ (b+6*H) >> 5 ];
|
|
src[7] = cm[ (b+7*H) >> 5 ];
|
|
src += stride;
|
|
}
|
|
}
|
|
|
|
#define SRC(x,y) src[(x)+(y)*stride]
|
|
#define PL(y) \
|
|
const int l##y = (SRC(-1,y-1) + 2*SRC(-1,y) + SRC(-1,y+1) + 2) >> 2;
|
|
#define PREDICT_8x8_LOAD_LEFT \
|
|
const int l0 = ((has_topleft ? SRC(-1,-1) : SRC(-1,0)) \
|
|
+ 2*SRC(-1,0) + SRC(-1,1) + 2) >> 2; \
|
|
PL(1) PL(2) PL(3) PL(4) PL(5) PL(6) \
|
|
const int l7 = (SRC(-1,6) + 3*SRC(-1,7) + 2) >> 2
|
|
|
|
#define PT(x) \
|
|
const int t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
|
|
#define PREDICT_8x8_LOAD_TOP \
|
|
const int t0 = ((has_topleft ? SRC(-1,-1) : SRC(0,-1)) \
|
|
+ 2*SRC(0,-1) + SRC(1,-1) + 2) >> 2; \
|
|
PT(1) PT(2) PT(3) PT(4) PT(5) PT(6) \
|
|
const int t7 = ((has_topright ? SRC(8,-1) : SRC(7,-1)) \
|
|
+ 2*SRC(7,-1) + SRC(6,-1) + 2) >> 2
|
|
|
|
#define PTR(x) \
|
|
t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
|
|
#define PREDICT_8x8_LOAD_TOPRIGHT \
|
|
int t8, t9, t10, t11, t12, t13, t14, t15; \
|
|
if(has_topright) { \
|
|
PTR(8) PTR(9) PTR(10) PTR(11) PTR(12) PTR(13) PTR(14) \
|
|
t15 = (SRC(14,-1) + 3*SRC(15,-1) + 2) >> 2; \
|
|
} else t8=t9=t10=t11=t12=t13=t14=t15= SRC(7,-1);
|
|
|
|
#define PREDICT_8x8_LOAD_TOPLEFT \
|
|
const int lt = (SRC(-1,0) + 2*SRC(-1,-1) + SRC(0,-1) + 2) >> 2
|
|
|
|
#define PREDICT_8x8_DC(v) \
|
|
int y; \
|
|
for( y = 0; y < 8; y++ ) { \
|
|
((uint32_t*)src)[0] = \
|
|
((uint32_t*)src)[1] = v; \
|
|
src += stride; \
|
|
}
|
|
|
|
static void pred8x8l_128_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
|
|
{
|
|
PREDICT_8x8_DC(0x80808080);
|
|
}
|
|
static void pred8x8l_left_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
|
|
{
|
|
PREDICT_8x8_LOAD_LEFT;
|
|
const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7+4) >> 3) * 0x01010101;
|
|
PREDICT_8x8_DC(dc);
|
|
}
|
|
static void pred8x8l_top_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
|
|
{
|
|
PREDICT_8x8_LOAD_TOP;
|
|
const uint32_t dc = ((t0+t1+t2+t3+t4+t5+t6+t7+4) >> 3) * 0x01010101;
|
|
PREDICT_8x8_DC(dc);
|
|
}
|
|
static void pred8x8l_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
|
|
{
|
|
PREDICT_8x8_LOAD_LEFT;
|
|
PREDICT_8x8_LOAD_TOP;
|
|
const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7
|
|
+t0+t1+t2+t3+t4+t5+t6+t7+8) >> 4) * 0x01010101;
|
|
PREDICT_8x8_DC(dc);
|
|
}
|
|
static void pred8x8l_horizontal_c(uint8_t *src, int has_topleft, int has_topright, int stride)
|
|
{
|
|
PREDICT_8x8_LOAD_LEFT;
|
|
#define ROW(y) ((uint32_t*)(src+y*stride))[0] =\
|
|
((uint32_t*)(src+y*stride))[1] = 0x01010101 * l##y
|
|
ROW(0); ROW(1); ROW(2); ROW(3); ROW(4); ROW(5); ROW(6); ROW(7);
|
|
#undef ROW
|
|
}
|
|
static void pred8x8l_vertical_c(uint8_t *src, int has_topleft, int has_topright, int stride)
|
|
{
|
|
int y;
|
|
PREDICT_8x8_LOAD_TOP;
|
|
src[0] = t0;
|
|
src[1] = t1;
|
|
src[2] = t2;
|
|
src[3] = t3;
|
|
src[4] = t4;
|
|
src[5] = t5;
|
|
src[6] = t6;
|
|
src[7] = t7;
|
|
for( y = 1; y < 8; y++ )
|
|
*(uint64_t*)(src+y*stride) = *(uint64_t*)src;
|
|
}
|
|
static void pred8x8l_down_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
|
|
{
|
|
PREDICT_8x8_LOAD_TOP;
|
|
PREDICT_8x8_LOAD_TOPRIGHT;
|
|
SRC(0,0)= (t0 + 2*t1 + t2 + 2) >> 2;
|
|
SRC(0,1)=SRC(1,0)= (t1 + 2*t2 + t3 + 2) >> 2;
|
|
SRC(0,2)=SRC(1,1)=SRC(2,0)= (t2 + 2*t3 + t4 + 2) >> 2;
|
|
SRC(0,3)=SRC(1,2)=SRC(2,1)=SRC(3,0)= (t3 + 2*t4 + t5 + 2) >> 2;
|
|
SRC(0,4)=SRC(1,3)=SRC(2,2)=SRC(3,1)=SRC(4,0)= (t4 + 2*t5 + t6 + 2) >> 2;
|
|
SRC(0,5)=SRC(1,4)=SRC(2,3)=SRC(3,2)=SRC(4,1)=SRC(5,0)= (t5 + 2*t6 + t7 + 2) >> 2;
|
|
SRC(0,6)=SRC(1,5)=SRC(2,4)=SRC(3,3)=SRC(4,2)=SRC(5,1)=SRC(6,0)= (t6 + 2*t7 + t8 + 2) >> 2;
|
|
SRC(0,7)=SRC(1,6)=SRC(2,5)=SRC(3,4)=SRC(4,3)=SRC(5,2)=SRC(6,1)=SRC(7,0)= (t7 + 2*t8 + t9 + 2) >> 2;
|
|
SRC(1,7)=SRC(2,6)=SRC(3,5)=SRC(4,4)=SRC(5,3)=SRC(6,2)=SRC(7,1)= (t8 + 2*t9 + t10 + 2) >> 2;
|
|
SRC(2,7)=SRC(3,6)=SRC(4,5)=SRC(5,4)=SRC(6,3)=SRC(7,2)= (t9 + 2*t10 + t11 + 2) >> 2;
|
|
SRC(3,7)=SRC(4,6)=SRC(5,5)=SRC(6,4)=SRC(7,3)= (t10 + 2*t11 + t12 + 2) >> 2;
|
|
SRC(4,7)=SRC(5,6)=SRC(6,5)=SRC(7,4)= (t11 + 2*t12 + t13 + 2) >> 2;
|
|
SRC(5,7)=SRC(6,6)=SRC(7,5)= (t12 + 2*t13 + t14 + 2) >> 2;
|
|
SRC(6,7)=SRC(7,6)= (t13 + 2*t14 + t15 + 2) >> 2;
|
|
SRC(7,7)= (t14 + 3*t15 + 2) >> 2;
|
|
}
|
|
static void pred8x8l_down_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
|
|
{
|
|
PREDICT_8x8_LOAD_TOP;
|
|
PREDICT_8x8_LOAD_LEFT;
|
|
PREDICT_8x8_LOAD_TOPLEFT;
|
|
SRC(0,7)= (l7 + 2*l6 + l5 + 2) >> 2;
|
|
SRC(0,6)=SRC(1,7)= (l6 + 2*l5 + l4 + 2) >> 2;
|
|
SRC(0,5)=SRC(1,6)=SRC(2,7)= (l5 + 2*l4 + l3 + 2) >> 2;
|
|
SRC(0,4)=SRC(1,5)=SRC(2,6)=SRC(3,7)= (l4 + 2*l3 + l2 + 2) >> 2;
|
|
SRC(0,3)=SRC(1,4)=SRC(2,5)=SRC(3,6)=SRC(4,7)= (l3 + 2*l2 + l1 + 2) >> 2;
|
|
SRC(0,2)=SRC(1,3)=SRC(2,4)=SRC(3,5)=SRC(4,6)=SRC(5,7)= (l2 + 2*l1 + l0 + 2) >> 2;
|
|
SRC(0,1)=SRC(1,2)=SRC(2,3)=SRC(3,4)=SRC(4,5)=SRC(5,6)=SRC(6,7)= (l1 + 2*l0 + lt + 2) >> 2;
|
|
SRC(0,0)=SRC(1,1)=SRC(2,2)=SRC(3,3)=SRC(4,4)=SRC(5,5)=SRC(6,6)=SRC(7,7)= (l0 + 2*lt + t0 + 2) >> 2;
|
|
SRC(1,0)=SRC(2,1)=SRC(3,2)=SRC(4,3)=SRC(5,4)=SRC(6,5)=SRC(7,6)= (lt + 2*t0 + t1 + 2) >> 2;
|
|
SRC(2,0)=SRC(3,1)=SRC(4,2)=SRC(5,3)=SRC(6,4)=SRC(7,5)= (t0 + 2*t1 + t2 + 2) >> 2;
|
|
SRC(3,0)=SRC(4,1)=SRC(5,2)=SRC(6,3)=SRC(7,4)= (t1 + 2*t2 + t3 + 2) >> 2;
|
|
SRC(4,0)=SRC(5,1)=SRC(6,2)=SRC(7,3)= (t2 + 2*t3 + t4 + 2) >> 2;
|
|
SRC(5,0)=SRC(6,1)=SRC(7,2)= (t3 + 2*t4 + t5 + 2) >> 2;
|
|
SRC(6,0)=SRC(7,1)= (t4 + 2*t5 + t6 + 2) >> 2;
|
|
SRC(7,0)= (t5 + 2*t6 + t7 + 2) >> 2;
|
|
|
|
}
|
|
static void pred8x8l_vertical_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
|
|
{
|
|
PREDICT_8x8_LOAD_TOP;
|
|
PREDICT_8x8_LOAD_LEFT;
|
|
PREDICT_8x8_LOAD_TOPLEFT;
|
|
SRC(0,6)= (l5 + 2*l4 + l3 + 2) >> 2;
|
|
SRC(0,7)= (l6 + 2*l5 + l4 + 2) >> 2;
|
|
SRC(0,4)=SRC(1,6)= (l3 + 2*l2 + l1 + 2) >> 2;
|
|
SRC(0,5)=SRC(1,7)= (l4 + 2*l3 + l2 + 2) >> 2;
|
|
SRC(0,2)=SRC(1,4)=SRC(2,6)= (l1 + 2*l0 + lt + 2) >> 2;
|
|
SRC(0,3)=SRC(1,5)=SRC(2,7)= (l2 + 2*l1 + l0 + 2) >> 2;
|
|
SRC(0,1)=SRC(1,3)=SRC(2,5)=SRC(3,7)= (l0 + 2*lt + t0 + 2) >> 2;
|
|
SRC(0,0)=SRC(1,2)=SRC(2,4)=SRC(3,6)= (lt + t0 + 1) >> 1;
|
|
SRC(1,1)=SRC(2,3)=SRC(3,5)=SRC(4,7)= (lt + 2*t0 + t1 + 2) >> 2;
|
|
SRC(1,0)=SRC(2,2)=SRC(3,4)=SRC(4,6)= (t0 + t1 + 1) >> 1;
|
|
SRC(2,1)=SRC(3,3)=SRC(4,5)=SRC(5,7)= (t0 + 2*t1 + t2 + 2) >> 2;
|
|
SRC(2,0)=SRC(3,2)=SRC(4,4)=SRC(5,6)= (t1 + t2 + 1) >> 1;
|
|
SRC(3,1)=SRC(4,3)=SRC(5,5)=SRC(6,7)= (t1 + 2*t2 + t3 + 2) >> 2;
|
|
SRC(3,0)=SRC(4,2)=SRC(5,4)=SRC(6,6)= (t2 + t3 + 1) >> 1;
|
|
SRC(4,1)=SRC(5,3)=SRC(6,5)=SRC(7,7)= (t2 + 2*t3 + t4 + 2) >> 2;
|
|
SRC(4,0)=SRC(5,2)=SRC(6,4)=SRC(7,6)= (t3 + t4 + 1) >> 1;
|
|
SRC(5,1)=SRC(6,3)=SRC(7,5)= (t3 + 2*t4 + t5 + 2) >> 2;
|
|
SRC(5,0)=SRC(6,2)=SRC(7,4)= (t4 + t5 + 1) >> 1;
|
|
SRC(6,1)=SRC(7,3)= (t4 + 2*t5 + t6 + 2) >> 2;
|
|
SRC(6,0)=SRC(7,2)= (t5 + t6 + 1) >> 1;
|
|
SRC(7,1)= (t5 + 2*t6 + t7 + 2) >> 2;
|
|
SRC(7,0)= (t6 + t7 + 1) >> 1;
|
|
}
|
|
static void pred8x8l_horizontal_down_c(uint8_t *src, int has_topleft, int has_topright, int stride)
|
|
{
|
|
PREDICT_8x8_LOAD_TOP;
|
|
PREDICT_8x8_LOAD_LEFT;
|
|
PREDICT_8x8_LOAD_TOPLEFT;
|
|
SRC(0,7)= (l6 + l7 + 1) >> 1;
|
|
SRC(1,7)= (l5 + 2*l6 + l7 + 2) >> 2;
|
|
SRC(0,6)=SRC(2,7)= (l5 + l6 + 1) >> 1;
|
|
SRC(1,6)=SRC(3,7)= (l4 + 2*l5 + l6 + 2) >> 2;
|
|
SRC(0,5)=SRC(2,6)=SRC(4,7)= (l4 + l5 + 1) >> 1;
|
|
SRC(1,5)=SRC(3,6)=SRC(5,7)= (l3 + 2*l4 + l5 + 2) >> 2;
|
|
SRC(0,4)=SRC(2,5)=SRC(4,6)=SRC(6,7)= (l3 + l4 + 1) >> 1;
|
|
SRC(1,4)=SRC(3,5)=SRC(5,6)=SRC(7,7)= (l2 + 2*l3 + l4 + 2) >> 2;
|
|
SRC(0,3)=SRC(2,4)=SRC(4,5)=SRC(6,6)= (l2 + l3 + 1) >> 1;
|
|
SRC(1,3)=SRC(3,4)=SRC(5,5)=SRC(7,6)= (l1 + 2*l2 + l3 + 2) >> 2;
|
|
SRC(0,2)=SRC(2,3)=SRC(4,4)=SRC(6,5)= (l1 + l2 + 1) >> 1;
|
|
SRC(1,2)=SRC(3,3)=SRC(5,4)=SRC(7,5)= (l0 + 2*l1 + l2 + 2) >> 2;
|
|
SRC(0,1)=SRC(2,2)=SRC(4,3)=SRC(6,4)= (l0 + l1 + 1) >> 1;
|
|
SRC(1,1)=SRC(3,2)=SRC(5,3)=SRC(7,4)= (lt + 2*l0 + l1 + 2) >> 2;
|
|
SRC(0,0)=SRC(2,1)=SRC(4,2)=SRC(6,3)= (lt + l0 + 1) >> 1;
|
|
SRC(1,0)=SRC(3,1)=SRC(5,2)=SRC(7,3)= (l0 + 2*lt + t0 + 2) >> 2;
|
|
SRC(2,0)=SRC(4,1)=SRC(6,2)= (t1 + 2*t0 + lt + 2) >> 2;
|
|
SRC(3,0)=SRC(5,1)=SRC(7,2)= (t2 + 2*t1 + t0 + 2) >> 2;
|
|
SRC(4,0)=SRC(6,1)= (t3 + 2*t2 + t1 + 2) >> 2;
|
|
SRC(5,0)=SRC(7,1)= (t4 + 2*t3 + t2 + 2) >> 2;
|
|
SRC(6,0)= (t5 + 2*t4 + t3 + 2) >> 2;
|
|
SRC(7,0)= (t6 + 2*t5 + t4 + 2) >> 2;
|
|
}
|
|
static void pred8x8l_vertical_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
|
|
{
|
|
PREDICT_8x8_LOAD_TOP;
|
|
PREDICT_8x8_LOAD_TOPRIGHT;
|
|
SRC(0,0)= (t0 + t1 + 1) >> 1;
|
|
SRC(0,1)= (t0 + 2*t1 + t2 + 2) >> 2;
|
|
SRC(0,2)=SRC(1,0)= (t1 + t2 + 1) >> 1;
|
|
SRC(0,3)=SRC(1,1)= (t1 + 2*t2 + t3 + 2) >> 2;
|
|
SRC(0,4)=SRC(1,2)=SRC(2,0)= (t2 + t3 + 1) >> 1;
|
|
SRC(0,5)=SRC(1,3)=SRC(2,1)= (t2 + 2*t3 + t4 + 2) >> 2;
|
|
SRC(0,6)=SRC(1,4)=SRC(2,2)=SRC(3,0)= (t3 + t4 + 1) >> 1;
|
|
SRC(0,7)=SRC(1,5)=SRC(2,3)=SRC(3,1)= (t3 + 2*t4 + t5 + 2) >> 2;
|
|
SRC(1,6)=SRC(2,4)=SRC(3,2)=SRC(4,0)= (t4 + t5 + 1) >> 1;
|
|
SRC(1,7)=SRC(2,5)=SRC(3,3)=SRC(4,1)= (t4 + 2*t5 + t6 + 2) >> 2;
|
|
SRC(2,6)=SRC(3,4)=SRC(4,2)=SRC(5,0)= (t5 + t6 + 1) >> 1;
|
|
SRC(2,7)=SRC(3,5)=SRC(4,3)=SRC(5,1)= (t5 + 2*t6 + t7 + 2) >> 2;
|
|
SRC(3,6)=SRC(4,4)=SRC(5,2)=SRC(6,0)= (t6 + t7 + 1) >> 1;
|
|
SRC(3,7)=SRC(4,5)=SRC(5,3)=SRC(6,1)= (t6 + 2*t7 + t8 + 2) >> 2;
|
|
SRC(4,6)=SRC(5,4)=SRC(6,2)=SRC(7,0)= (t7 + t8 + 1) >> 1;
|
|
SRC(4,7)=SRC(5,5)=SRC(6,3)=SRC(7,1)= (t7 + 2*t8 + t9 + 2) >> 2;
|
|
SRC(5,6)=SRC(6,4)=SRC(7,2)= (t8 + t9 + 1) >> 1;
|
|
SRC(5,7)=SRC(6,5)=SRC(7,3)= (t8 + 2*t9 + t10 + 2) >> 2;
|
|
SRC(6,6)=SRC(7,4)= (t9 + t10 + 1) >> 1;
|
|
SRC(6,7)=SRC(7,5)= (t9 + 2*t10 + t11 + 2) >> 2;
|
|
SRC(7,6)= (t10 + t11 + 1) >> 1;
|
|
SRC(7,7)= (t10 + 2*t11 + t12 + 2) >> 2;
|
|
}
|
|
static void pred8x8l_horizontal_up_c(uint8_t *src, int has_topleft, int has_topright, int stride)
|
|
{
|
|
PREDICT_8x8_LOAD_LEFT;
|
|
SRC(0,0)= (l0 + l1 + 1) >> 1;
|
|
SRC(1,0)= (l0 + 2*l1 + l2 + 2) >> 2;
|
|
SRC(0,1)=SRC(2,0)= (l1 + l2 + 1) >> 1;
|
|
SRC(1,1)=SRC(3,0)= (l1 + 2*l2 + l3 + 2) >> 2;
|
|
SRC(0,2)=SRC(2,1)=SRC(4,0)= (l2 + l3 + 1) >> 1;
|
|
SRC(1,2)=SRC(3,1)=SRC(5,0)= (l2 + 2*l3 + l4 + 2) >> 2;
|
|
SRC(0,3)=SRC(2,2)=SRC(4,1)=SRC(6,0)= (l3 + l4 + 1) >> 1;
|
|
SRC(1,3)=SRC(3,2)=SRC(5,1)=SRC(7,0)= (l3 + 2*l4 + l5 + 2) >> 2;
|
|
SRC(0,4)=SRC(2,3)=SRC(4,2)=SRC(6,1)= (l4 + l5 + 1) >> 1;
|
|
SRC(1,4)=SRC(3,3)=SRC(5,2)=SRC(7,1)= (l4 + 2*l5 + l6 + 2) >> 2;
|
|
SRC(0,5)=SRC(2,4)=SRC(4,3)=SRC(6,2)= (l5 + l6 + 1) >> 1;
|
|
SRC(1,5)=SRC(3,4)=SRC(5,3)=SRC(7,2)= (l5 + 2*l6 + l7 + 2) >> 2;
|
|
SRC(0,6)=SRC(2,5)=SRC(4,4)=SRC(6,3)= (l6 + l7 + 1) >> 1;
|
|
SRC(1,6)=SRC(3,5)=SRC(5,4)=SRC(7,3)= (l6 + 3*l7 + 2) >> 2;
|
|
SRC(0,7)=SRC(1,7)=SRC(2,6)=SRC(2,7)=SRC(3,6)=
|
|
SRC(3,7)=SRC(4,5)=SRC(4,6)=SRC(4,7)=SRC(5,5)=
|
|
SRC(5,6)=SRC(5,7)=SRC(6,4)=SRC(6,5)=SRC(6,6)=
|
|
SRC(6,7)=SRC(7,4)=SRC(7,5)=SRC(7,6)=SRC(7,7)= l7;
|
|
}
|
|
#undef PREDICT_8x8_LOAD_LEFT
|
|
#undef PREDICT_8x8_LOAD_TOP
|
|
#undef PREDICT_8x8_LOAD_TOPLEFT
|
|
#undef PREDICT_8x8_LOAD_TOPRIGHT
|
|
#undef PREDICT_8x8_DC
|
|
#undef PTR
|
|
#undef PT
|
|
#undef PL
|
|
#undef SRC
|
|
|
|
static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, int chroma_height, int delta, int list,
|
|
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
|
|
int src_x_offset, int src_y_offset,
|
|
qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op){
|
|
MpegEncContext * const s = &h->s;
|
|
const int mx= h->mv_cache[list][ scan8[n] ][0] + src_x_offset*8;
|
|
const int my= h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8;
|
|
const int luma_xy= (mx&3) + ((my&3)<<2);
|
|
uint8_t * src_y = pic->data[0] + (mx>>2) + (my>>2)*s->linesize;
|
|
uint8_t * src_cb= pic->data[1] + (mx>>3) + (my>>3)*s->uvlinesize;
|
|
uint8_t * src_cr= pic->data[2] + (mx>>3) + (my>>3)*s->uvlinesize;
|
|
int extra_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16; //FIXME increase edge?, IMHO not worth it
|
|
int extra_height= extra_width;
|
|
int emu=0;
|
|
const int full_mx= mx>>2;
|
|
const int full_my= my>>2;
|
|
|
|
assert(pic->data[0]);
|
|
|
|
if(mx&7) extra_width -= 3;
|
|
if(my&7) extra_height -= 3;
|
|
|
|
if( full_mx < 0-extra_width
|
|
|| full_my < 0-extra_height
|
|
|| full_mx + 16/*FIXME*/ > s->width + extra_width
|
|
|| full_my + 16/*FIXME*/ > s->height + extra_height){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, src_y - 2 - 2*s->linesize, s->linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, s->width, s->height);
|
|
src_y= s->edge_emu_buffer + 2 + 2*s->linesize;
|
|
emu=1;
|
|
}
|
|
|
|
qpix_op[luma_xy](dest_y, src_y, s->linesize); //FIXME try variable height perhaps?
|
|
if(!square){
|
|
qpix_op[luma_xy](dest_y + delta, src_y + delta, s->linesize);
|
|
}
|
|
|
|
if(s->flags&CODEC_FLAG_GRAY) return;
|
|
|
|
if(emu){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, src_cb, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), s->width>>1, s->height>>1);
|
|
src_cb= s->edge_emu_buffer;
|
|
}
|
|
chroma_op(dest_cb, src_cb, s->uvlinesize, chroma_height, mx&7, my&7);
|
|
|
|
if(emu){
|
|
ff_emulated_edge_mc(s->edge_emu_buffer, src_cr, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), s->width>>1, s->height>>1);
|
|
src_cr= s->edge_emu_buffer;
|
|
}
|
|
chroma_op(dest_cr, src_cr, s->uvlinesize, chroma_height, mx&7, my&7);
|
|
}
|
|
|
|
static inline void mc_part_std(H264Context *h, int n, int square, int chroma_height, int delta,
|
|
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
|
|
int x_offset, int y_offset,
|
|
qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
|
|
qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
|
|
int list0, int list1){
|
|
MpegEncContext * const s = &h->s;
|
|
qpel_mc_func *qpix_op= qpix_put;
|
|
h264_chroma_mc_func chroma_op= chroma_put;
|
|
|
|
dest_y += 2*x_offset + 2*y_offset*s-> linesize;
|
|
dest_cb += x_offset + y_offset*s->uvlinesize;
|
|
dest_cr += x_offset + y_offset*s->uvlinesize;
|
|
x_offset += 8*s->mb_x;
|
|
y_offset += 8*s->mb_y;
|
|
|
|
if(list0){
|
|
Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ];
|
|
mc_dir_part(h, ref, n, square, chroma_height, delta, 0,
|
|
dest_y, dest_cb, dest_cr, x_offset, y_offset,
|
|
qpix_op, chroma_op);
|
|
|
|
qpix_op= qpix_avg;
|
|
chroma_op= chroma_avg;
|
|
}
|
|
|
|
if(list1){
|
|
Picture *ref= &h->ref_list[1][ h->ref_cache[1][ scan8[n] ] ];
|
|
mc_dir_part(h, ref, n, square, chroma_height, delta, 1,
|
|
dest_y, dest_cb, dest_cr, x_offset, y_offset,
|
|
qpix_op, chroma_op);
|
|
}
|
|
}
|
|
|
|
static inline void mc_part_weighted(H264Context *h, int n, int square, int chroma_height, int delta,
|
|
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
|
|
int x_offset, int y_offset,
|
|
qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
|
|
h264_weight_func luma_weight_op, h264_weight_func chroma_weight_op,
|
|
h264_biweight_func luma_weight_avg, h264_biweight_func chroma_weight_avg,
|
|
int list0, int list1){
|
|
MpegEncContext * const s = &h->s;
|
|
|
|
dest_y += 2*x_offset + 2*y_offset*s-> linesize;
|
|
dest_cb += x_offset + y_offset*s->uvlinesize;
|
|
dest_cr += x_offset + y_offset*s->uvlinesize;
|
|
x_offset += 8*s->mb_x;
|
|
y_offset += 8*s->mb_y;
|
|
|
|
if(list0 && list1){
|
|
/* don't optimize for luma-only case, since B-frames usually
|
|
* use implicit weights => chroma too. */
|
|
uint8_t *tmp_cb = s->obmc_scratchpad;
|
|
uint8_t *tmp_cr = tmp_cb + 8*s->uvlinesize;
|
|
uint8_t *tmp_y = tmp_cr + 8*s->uvlinesize;
|
|
int refn0 = h->ref_cache[0][ scan8[n] ];
|
|
int refn1 = h->ref_cache[1][ scan8[n] ];
|
|
|
|
mc_dir_part(h, &h->ref_list[0][refn0], n, square, chroma_height, delta, 0,
|
|
dest_y, dest_cb, dest_cr,
|
|
x_offset, y_offset, qpix_put, chroma_put);
|
|
mc_dir_part(h, &h->ref_list[1][refn1], n, square, chroma_height, delta, 1,
|
|
tmp_y, tmp_cb, tmp_cr,
|
|
x_offset, y_offset, qpix_put, chroma_put);
|
|
|
|
if(h->use_weight == 2){
|
|
int weight0 = h->implicit_weight[refn0][refn1];
|
|
int weight1 = 64 - weight0;
|
|
luma_weight_avg( dest_y, tmp_y, s-> linesize, 5, weight0, weight1, 0, 0);
|
|
chroma_weight_avg(dest_cb, tmp_cb, s->uvlinesize, 5, weight0, weight1, 0, 0);
|
|
chroma_weight_avg(dest_cr, tmp_cr, s->uvlinesize, 5, weight0, weight1, 0, 0);
|
|
}else{
|
|
luma_weight_avg(dest_y, tmp_y, s->linesize, h->luma_log2_weight_denom,
|
|
h->luma_weight[0][refn0], h->luma_weight[1][refn1],
|
|
h->luma_offset[0][refn0], h->luma_offset[1][refn1]);
|
|
chroma_weight_avg(dest_cb, tmp_cb, s->uvlinesize, h->chroma_log2_weight_denom,
|
|
h->chroma_weight[0][refn0][0], h->chroma_weight[1][refn1][0],
|
|
h->chroma_offset[0][refn0][0], h->chroma_offset[1][refn1][0]);
|
|
chroma_weight_avg(dest_cr, tmp_cr, s->uvlinesize, h->chroma_log2_weight_denom,
|
|
h->chroma_weight[0][refn0][1], h->chroma_weight[1][refn1][1],
|
|
h->chroma_offset[0][refn0][1], h->chroma_offset[1][refn1][1]);
|
|
}
|
|
}else{
|
|
int list = list1 ? 1 : 0;
|
|
int refn = h->ref_cache[list][ scan8[n] ];
|
|
Picture *ref= &h->ref_list[list][refn];
|
|
mc_dir_part(h, ref, n, square, chroma_height, delta, list,
|
|
dest_y, dest_cb, dest_cr, x_offset, y_offset,
|
|
qpix_put, chroma_put);
|
|
|
|
luma_weight_op(dest_y, s->linesize, h->luma_log2_weight_denom,
|
|
h->luma_weight[list][refn], h->luma_offset[list][refn]);
|
|
if(h->use_weight_chroma){
|
|
chroma_weight_op(dest_cb, s->uvlinesize, h->chroma_log2_weight_denom,
|
|
h->chroma_weight[list][refn][0], h->chroma_offset[list][refn][0]);
|
|
chroma_weight_op(dest_cr, s->uvlinesize, h->chroma_log2_weight_denom,
|
|
h->chroma_weight[list][refn][1], h->chroma_offset[list][refn][1]);
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void mc_part(H264Context *h, int n, int square, int chroma_height, int delta,
|
|
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
|
|
int x_offset, int y_offset,
|
|
qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
|
|
qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
|
|
h264_weight_func *weight_op, h264_biweight_func *weight_avg,
|
|
int list0, int list1){
|
|
if((h->use_weight==2 && list0 && list1
|
|
&& (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ] != 32))
|
|
|| h->use_weight==1)
|
|
mc_part_weighted(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
|
|
x_offset, y_offset, qpix_put, chroma_put,
|
|
weight_op[0], weight_op[3], weight_avg[0], weight_avg[3], list0, list1);
|
|
else
|
|
mc_part_std(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
|
|
x_offset, y_offset, qpix_put, chroma_put, qpix_avg, chroma_avg, list0, list1);
|
|
}
|
|
|
|
static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
|
|
qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),
|
|
qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),
|
|
h264_weight_func *weight_op, h264_biweight_func *weight_avg){
|
|
MpegEncContext * const s = &h->s;
|
|
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
|
|
const int mb_type= s->current_picture.mb_type[mb_xy];
|
|
|
|
assert(IS_INTER(mb_type));
|
|
|
|
if(IS_16X16(mb_type)){
|
|
mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0,
|
|
qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
|
|
&weight_op[0], &weight_avg[0],
|
|
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
|
|
}else if(IS_16X8(mb_type)){
|
|
mc_part(h, 0, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 0,
|
|
qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
|
|
&weight_op[1], &weight_avg[1],
|
|
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
|
|
mc_part(h, 8, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 4,
|
|
qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
|
|
&weight_op[1], &weight_avg[1],
|
|
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
|
|
}else if(IS_8X16(mb_type)){
|
|
mc_part(h, 0, 0, 8, 8*s->linesize, dest_y, dest_cb, dest_cr, 0, 0,
|
|
qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
|
|
&weight_op[2], &weight_avg[2],
|
|
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
|
|
mc_part(h, 4, 0, 8, 8*s->linesize, dest_y, dest_cb, dest_cr, 4, 0,
|
|
qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
|
|
&weight_op[2], &weight_avg[2],
|
|
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
|
|
}else{
|
|
int i;
|
|
|
|
assert(IS_8X8(mb_type));
|
|
|
|
for(i=0; i<4; i++){
|
|
const int sub_mb_type= h->sub_mb_type[i];
|
|
const int n= 4*i;
|
|
int x_offset= (i&1)<<2;
|
|
int y_offset= (i&2)<<1;
|
|
|
|
if(IS_SUB_8X8(sub_mb_type)){
|
|
mc_part(h, n, 1, 4, 0, dest_y, dest_cb, dest_cr, x_offset, y_offset,
|
|
qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
|
|
&weight_op[3], &weight_avg[3],
|
|
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
|
|
}else if(IS_SUB_8X4(sub_mb_type)){
|
|
mc_part(h, n , 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset,
|
|
qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
|
|
&weight_op[4], &weight_avg[4],
|
|
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
|
|
mc_part(h, n+2, 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset+2,
|
|
qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
|
|
&weight_op[4], &weight_avg[4],
|
|
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
|
|
}else if(IS_SUB_4X8(sub_mb_type)){
|
|
mc_part(h, n , 0, 4, 4*s->linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset,
|
|
qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
|
|
&weight_op[5], &weight_avg[5],
|
|
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
|
|
mc_part(h, n+1, 0, 4, 4*s->linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset,
|
|
qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
|
|
&weight_op[5], &weight_avg[5],
|
|
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
|
|
}else{
|
|
int j;
|
|
assert(IS_SUB_4X4(sub_mb_type));
|
|
for(j=0; j<4; j++){
|
|
int sub_x_offset= x_offset + 2*(j&1);
|
|
int sub_y_offset= y_offset + (j&2);
|
|
mc_part(h, n+j, 1, 2, 0, dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
|
|
qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
|
|
&weight_op[6], &weight_avg[6],
|
|
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void decode_init_vlc(H264Context *h){
|
|
static int done = 0;
|
|
|
|
if (!done) {
|
|
int i;
|
|
done = 1;
|
|
|
|
init_vlc(&chroma_dc_coeff_token_vlc, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 4*5,
|
|
&chroma_dc_coeff_token_len [0], 1, 1,
|
|
&chroma_dc_coeff_token_bits[0], 1, 1, 1);
|
|
|
|
for(i=0; i<4; i++){
|
|
init_vlc(&coeff_token_vlc[i], COEFF_TOKEN_VLC_BITS, 4*17,
|
|
&coeff_token_len [i][0], 1, 1,
|
|
&coeff_token_bits[i][0], 1, 1, 1);
|
|
}
|
|
|
|
for(i=0; i<3; i++){
|
|
init_vlc(&chroma_dc_total_zeros_vlc[i], CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 4,
|
|
&chroma_dc_total_zeros_len [i][0], 1, 1,
|
|
&chroma_dc_total_zeros_bits[i][0], 1, 1, 1);
|
|
}
|
|
for(i=0; i<15; i++){
|
|
init_vlc(&total_zeros_vlc[i], TOTAL_ZEROS_VLC_BITS, 16,
|
|
&total_zeros_len [i][0], 1, 1,
|
|
&total_zeros_bits[i][0], 1, 1, 1);
|
|
}
|
|
|
|
for(i=0; i<6; i++){
|
|
init_vlc(&run_vlc[i], RUN_VLC_BITS, 7,
|
|
&run_len [i][0], 1, 1,
|
|
&run_bits[i][0], 1, 1, 1);
|
|
}
|
|
init_vlc(&run7_vlc, RUN7_VLC_BITS, 16,
|
|
&run_len [6][0], 1, 1,
|
|
&run_bits[6][0], 1, 1, 1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets the intra prediction function pointers.
|
|
*/
|
|
static void init_pred_ptrs(H264Context *h){
|
|
// MpegEncContext * const s = &h->s;
|
|
|
|
h->pred4x4[VERT_PRED ]= pred4x4_vertical_c;
|
|
h->pred4x4[HOR_PRED ]= pred4x4_horizontal_c;
|
|
h->pred4x4[DC_PRED ]= pred4x4_dc_c;
|
|
h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_c;
|
|
h->pred4x4[DIAG_DOWN_RIGHT_PRED]= pred4x4_down_right_c;
|
|
h->pred4x4[VERT_RIGHT_PRED ]= pred4x4_vertical_right_c;
|
|
h->pred4x4[HOR_DOWN_PRED ]= pred4x4_horizontal_down_c;
|
|
h->pred4x4[VERT_LEFT_PRED ]= pred4x4_vertical_left_c;
|
|
h->pred4x4[HOR_UP_PRED ]= pred4x4_horizontal_up_c;
|
|
h->pred4x4[LEFT_DC_PRED ]= pred4x4_left_dc_c;
|
|
h->pred4x4[TOP_DC_PRED ]= pred4x4_top_dc_c;
|
|
h->pred4x4[DC_128_PRED ]= pred4x4_128_dc_c;
|
|
|
|
h->pred8x8l[VERT_PRED ]= pred8x8l_vertical_c;
|
|
h->pred8x8l[HOR_PRED ]= pred8x8l_horizontal_c;
|
|
h->pred8x8l[DC_PRED ]= pred8x8l_dc_c;
|
|
h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= pred8x8l_down_left_c;
|
|
h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= pred8x8l_down_right_c;
|
|
h->pred8x8l[VERT_RIGHT_PRED ]= pred8x8l_vertical_right_c;
|
|
h->pred8x8l[HOR_DOWN_PRED ]= pred8x8l_horizontal_down_c;
|
|
h->pred8x8l[VERT_LEFT_PRED ]= pred8x8l_vertical_left_c;
|
|
h->pred8x8l[HOR_UP_PRED ]= pred8x8l_horizontal_up_c;
|
|
h->pred8x8l[LEFT_DC_PRED ]= pred8x8l_left_dc_c;
|
|
h->pred8x8l[TOP_DC_PRED ]= pred8x8l_top_dc_c;
|
|
h->pred8x8l[DC_128_PRED ]= pred8x8l_128_dc_c;
|
|
|
|
h->pred8x8[DC_PRED8x8 ]= pred8x8_dc_c;
|
|
h->pred8x8[VERT_PRED8x8 ]= pred8x8_vertical_c;
|
|
h->pred8x8[HOR_PRED8x8 ]= pred8x8_horizontal_c;
|
|
h->pred8x8[PLANE_PRED8x8 ]= pred8x8_plane_c;
|
|
h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_c;
|
|
h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_c;
|
|
h->pred8x8[DC_128_PRED8x8 ]= pred8x8_128_dc_c;
|
|
|
|
h->pred16x16[DC_PRED8x8 ]= pred16x16_dc_c;
|
|
h->pred16x16[VERT_PRED8x8 ]= pred16x16_vertical_c;
|
|
h->pred16x16[HOR_PRED8x8 ]= pred16x16_horizontal_c;
|
|
h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_c;
|
|
h->pred16x16[LEFT_DC_PRED8x8]= pred16x16_left_dc_c;
|
|
h->pred16x16[TOP_DC_PRED8x8 ]= pred16x16_top_dc_c;
|
|
h->pred16x16[DC_128_PRED8x8 ]= pred16x16_128_dc_c;
|
|
}
|
|
|
|
static void free_tables(H264Context *h){
|
|
av_freep(&h->intra4x4_pred_mode);
|
|
av_freep(&h->chroma_pred_mode_table);
|
|
av_freep(&h->cbp_table);
|
|
av_freep(&h->mvd_table[0]);
|
|
av_freep(&h->mvd_table[1]);
|
|
av_freep(&h->direct_table);
|
|
av_freep(&h->non_zero_count);
|
|
av_freep(&h->slice_table_base);
|
|
av_freep(&h->top_borders[1]);
|
|
av_freep(&h->top_borders[0]);
|
|
h->slice_table= NULL;
|
|
|
|
av_freep(&h->mb2b_xy);
|
|
av_freep(&h->mb2b8_xy);
|
|
|
|
av_freep(&h->dequant8_coeff);
|
|
|
|
av_freep(&h->s.obmc_scratchpad);
|
|
}
|
|
|
|
/**
|
|
* allocates tables.
|
|
* needs width/height
|
|
*/
|
|
static int alloc_tables(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
const int big_mb_num= s->mb_stride * (s->mb_height+1);
|
|
int x,y,q;
|
|
|
|
CHECKED_ALLOCZ(h->intra4x4_pred_mode, big_mb_num * 8 * sizeof(uint8_t))
|
|
|
|
CHECKED_ALLOCZ(h->non_zero_count , big_mb_num * 16 * sizeof(uint8_t))
|
|
CHECKED_ALLOCZ(h->slice_table_base , big_mb_num * sizeof(uint8_t))
|
|
CHECKED_ALLOCZ(h->top_borders[0] , s->mb_width * (16+8+8) * sizeof(uint8_t))
|
|
CHECKED_ALLOCZ(h->top_borders[1] , s->mb_width * (16+8+8) * sizeof(uint8_t))
|
|
CHECKED_ALLOCZ(h->cbp_table, big_mb_num * sizeof(uint16_t))
|
|
|
|
if( h->pps.cabac ) {
|
|
CHECKED_ALLOCZ(h->chroma_pred_mode_table, big_mb_num * sizeof(uint8_t))
|
|
CHECKED_ALLOCZ(h->mvd_table[0], 32*big_mb_num * sizeof(uint16_t));
|
|
CHECKED_ALLOCZ(h->mvd_table[1], 32*big_mb_num * sizeof(uint16_t));
|
|
CHECKED_ALLOCZ(h->direct_table, 32*big_mb_num * sizeof(uint8_t));
|
|
}
|
|
|
|
memset(h->slice_table_base, -1, big_mb_num * sizeof(uint8_t));
|
|
h->slice_table= h->slice_table_base + s->mb_stride + 1;
|
|
|
|
CHECKED_ALLOCZ(h->mb2b_xy , big_mb_num * sizeof(uint32_t));
|
|
CHECKED_ALLOCZ(h->mb2b8_xy , big_mb_num * sizeof(uint32_t));
|
|
for(y=0; y<s->mb_height; y++){
|
|
for(x=0; x<s->mb_width; x++){
|
|
const int mb_xy= x + y*s->mb_stride;
|
|
const int b_xy = 4*x + 4*y*h->b_stride;
|
|
const int b8_xy= 2*x + 2*y*h->b8_stride;
|
|
|
|
h->mb2b_xy [mb_xy]= b_xy;
|
|
h->mb2b8_xy[mb_xy]= b8_xy;
|
|
}
|
|
}
|
|
|
|
CHECKED_ALLOCZ(h->dequant8_coeff, 52*64 * sizeof(uint16_t));
|
|
for(q=0; q<52; q++){
|
|
int shift = div6[q];
|
|
int idx = rem6[q];
|
|
if(shift >= 2) // qp<12 are shifted during dequant
|
|
shift -= 2;
|
|
for(x=0; x<64; x++)
|
|
h->dequant8_coeff[q][x] = dequant8_coeff_init[idx][
|
|
dequant8_coeff_init_scan[(x>>1)&12 | x&3] ] << shift;
|
|
}
|
|
|
|
s->obmc_scratchpad = NULL;
|
|
|
|
return 0;
|
|
fail:
|
|
free_tables(h);
|
|
return -1;
|
|
}
|
|
|
|
static void common_init(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
|
|
s->width = s->avctx->width;
|
|
s->height = s->avctx->height;
|
|
s->codec_id= s->avctx->codec->id;
|
|
|
|
init_pred_ptrs(h);
|
|
|
|
s->unrestricted_mv=1;
|
|
s->decode=1; //FIXME
|
|
}
|
|
|
|
static int decode_init(AVCodecContext *avctx){
|
|
H264Context *h= avctx->priv_data;
|
|
MpegEncContext * const s = &h->s;
|
|
|
|
MPV_decode_defaults(s);
|
|
|
|
s->avctx = avctx;
|
|
common_init(h);
|
|
|
|
s->out_format = FMT_H264;
|
|
s->workaround_bugs= avctx->workaround_bugs;
|
|
|
|
// set defaults
|
|
// s->decode_mb= ff_h263_decode_mb;
|
|
s->low_delay= 1;
|
|
avctx->pix_fmt= PIX_FMT_YUV420P;
|
|
|
|
decode_init_vlc(h);
|
|
|
|
if(avctx->extradata_size > 0 && avctx->extradata &&
|
|
*(char *)avctx->extradata == 1){
|
|
h->is_avc = 1;
|
|
h->got_avcC = 0;
|
|
} else {
|
|
h->is_avc = 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void frame_start(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
int i;
|
|
|
|
MPV_frame_start(s, s->avctx);
|
|
ff_er_frame_start(s);
|
|
|
|
assert(s->linesize && s->uvlinesize);
|
|
|
|
for(i=0; i<16; i++){
|
|
h->block_offset[i]= 4*((scan8[i] - scan8[0])&7) + 4*s->linesize*((scan8[i] - scan8[0])>>3);
|
|
h->block_offset[24+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->linesize*((scan8[i] - scan8[0])>>3);
|
|
}
|
|
for(i=0; i<4; i++){
|
|
h->block_offset[16+i]=
|
|
h->block_offset[20+i]= 4*((scan8[i] - scan8[0])&7) + 4*s->uvlinesize*((scan8[i] - scan8[0])>>3);
|
|
h->block_offset[24+16+i]=
|
|
h->block_offset[24+20+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->uvlinesize*((scan8[i] - scan8[0])>>3);
|
|
}
|
|
|
|
/* can't be in alloc_tables because linesize isn't known there.
|
|
* FIXME: redo bipred weight to not require extra buffer? */
|
|
if(!s->obmc_scratchpad)
|
|
s->obmc_scratchpad = av_malloc(16*s->linesize + 2*8*s->uvlinesize);
|
|
|
|
// s->decode= (s->flags&CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.reference /*|| h->contains_intra*/ || 1;
|
|
}
|
|
|
|
static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
|
|
MpegEncContext * const s = &h->s;
|
|
int i;
|
|
|
|
src_y -= linesize;
|
|
src_cb -= uvlinesize;
|
|
src_cr -= uvlinesize;
|
|
|
|
// There are two lines saved, the line above the the top macroblock of a pair,
|
|
// and the line above the bottom macroblock
|
|
h->left_border[0]= h->top_borders[0][s->mb_x][15];
|
|
for(i=1; i<17; i++){
|
|
h->left_border[i]= src_y[15+i* linesize];
|
|
}
|
|
|
|
*(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y + 16*linesize);
|
|
*(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+16*linesize);
|
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
|
h->left_border[17 ]= h->top_borders[0][s->mb_x][16+7];
|
|
h->left_border[17+9]= h->top_borders[0][s->mb_x][24+7];
|
|
for(i=1; i<9; i++){
|
|
h->left_border[i+17 ]= src_cb[7+i*uvlinesize];
|
|
h->left_border[i+17+9]= src_cr[7+i*uvlinesize];
|
|
}
|
|
*(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+8*uvlinesize);
|
|
*(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+8*uvlinesize);
|
|
}
|
|
}
|
|
|
|
static inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){
|
|
MpegEncContext * const s = &h->s;
|
|
int temp8, i;
|
|
uint64_t temp64;
|
|
int deblock_left = (s->mb_x > 0);
|
|
int deblock_top = (s->mb_y > 0);
|
|
|
|
src_y -= linesize + 1;
|
|
src_cb -= uvlinesize + 1;
|
|
src_cr -= uvlinesize + 1;
|
|
|
|
#define XCHG(a,b,t,xchg)\
|
|
t= a;\
|
|
if(xchg)\
|
|
a= b;\
|
|
b= t;
|
|
|
|
if(deblock_left){
|
|
for(i = !deblock_top; i<17; i++){
|
|
XCHG(h->left_border[i ], src_y [i* linesize], temp8, xchg);
|
|
}
|
|
}
|
|
|
|
if(deblock_top){
|
|
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
|
|
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
|
|
if(s->mb_x < s->mb_width){
|
|
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x+1]), *(uint64_t*)(src_y +17), temp64, 1);
|
|
}
|
|
}
|
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
|
if(deblock_left){
|
|
for(i = !deblock_top; i<9; i++){
|
|
XCHG(h->left_border[i+17 ], src_cb[i*uvlinesize], temp8, xchg);
|
|
XCHG(h->left_border[i+17+9], src_cr[i*uvlinesize], temp8, xchg);
|
|
}
|
|
}
|
|
if(deblock_top){
|
|
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
|
|
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void backup_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
|
|
MpegEncContext * const s = &h->s;
|
|
int i;
|
|
|
|
src_y -= 2 * linesize;
|
|
src_cb -= 2 * uvlinesize;
|
|
src_cr -= 2 * uvlinesize;
|
|
|
|
// There are two lines saved, the line above the the top macroblock of a pair,
|
|
// and the line above the bottom macroblock
|
|
h->left_border[0]= h->top_borders[0][s->mb_x][15];
|
|
h->left_border[1]= h->top_borders[1][s->mb_x][15];
|
|
for(i=2; i<34; i++){
|
|
h->left_border[i]= src_y[15+i* linesize];
|
|
}
|
|
|
|
*(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y + 32*linesize);
|
|
*(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+32*linesize);
|
|
*(uint64_t*)(h->top_borders[1][s->mb_x]+0)= *(uint64_t*)(src_y + 33*linesize);
|
|
*(uint64_t*)(h->top_borders[1][s->mb_x]+8)= *(uint64_t*)(src_y +8+33*linesize);
|
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
|
h->left_border[34 ]= h->top_borders[0][s->mb_x][16+7];
|
|
h->left_border[34+ 1]= h->top_borders[1][s->mb_x][16+7];
|
|
h->left_border[34+18 ]= h->top_borders[0][s->mb_x][24+7];
|
|
h->left_border[34+18+1]= h->top_borders[1][s->mb_x][24+7];
|
|
for(i=2; i<18; i++){
|
|
h->left_border[i+34 ]= src_cb[7+i*uvlinesize];
|
|
h->left_border[i+34+18]= src_cr[7+i*uvlinesize];
|
|
}
|
|
*(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+16*uvlinesize);
|
|
*(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+16*uvlinesize);
|
|
*(uint64_t*)(h->top_borders[1][s->mb_x]+16)= *(uint64_t*)(src_cb+17*uvlinesize);
|
|
*(uint64_t*)(h->top_borders[1][s->mb_x]+24)= *(uint64_t*)(src_cr+17*uvlinesize);
|
|
}
|
|
}
|
|
|
|
static inline void xchg_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){
|
|
MpegEncContext * const s = &h->s;
|
|
int temp8, i;
|
|
uint64_t temp64;
|
|
int deblock_left = (s->mb_x > 0);
|
|
int deblock_top = (s->mb_y > 0);
|
|
|
|
tprintf("xchg_pair_border: src_y:%p src_cb:%p src_cr:%p ls:%d uvls:%d\n", src_y, src_cb, src_cr, linesize, uvlinesize);
|
|
|
|
src_y -= 2 * linesize + 1;
|
|
src_cb -= 2 * uvlinesize + 1;
|
|
src_cr -= 2 * uvlinesize + 1;
|
|
|
|
#define XCHG(a,b,t,xchg)\
|
|
t= a;\
|
|
if(xchg)\
|
|
a= b;\
|
|
b= t;
|
|
|
|
if(deblock_left){
|
|
for(i = (!deblock_top)<<1; i<34; i++){
|
|
XCHG(h->left_border[i ], src_y [i* linesize], temp8, xchg);
|
|
}
|
|
}
|
|
|
|
if(deblock_top){
|
|
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
|
|
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
|
|
XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+0), *(uint64_t*)(src_y +1 +linesize), temp64, xchg);
|
|
XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+8), *(uint64_t*)(src_y +9 +linesize), temp64, 1);
|
|
}
|
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
|
if(deblock_left){
|
|
for(i = (!deblock_top) << 1; i<18; i++){
|
|
XCHG(h->left_border[i+34 ], src_cb[i*uvlinesize], temp8, xchg);
|
|
XCHG(h->left_border[i+34+18], src_cr[i*uvlinesize], temp8, xchg);
|
|
}
|
|
}
|
|
if(deblock_top){
|
|
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
|
|
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
|
|
XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+16), *(uint64_t*)(src_cb+1 +uvlinesize), temp64, 1);
|
|
XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+24), *(uint64_t*)(src_cr+1 +uvlinesize), temp64, 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void hl_decode_mb(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
const int mb_x= s->mb_x;
|
|
const int mb_y= s->mb_y;
|
|
const int mb_xy= mb_x + mb_y*s->mb_stride;
|
|
const int mb_type= s->current_picture.mb_type[mb_xy];
|
|
uint8_t *dest_y, *dest_cb, *dest_cr;
|
|
int linesize, uvlinesize /*dct_offset*/;
|
|
int i;
|
|
int *block_offset = &h->block_offset[0];
|
|
const unsigned int bottom = mb_y & 1;
|
|
|
|
if(!s->decode)
|
|
return;
|
|
|
|
dest_y = s->current_picture.data[0] + (mb_y * 16* s->linesize ) + mb_x * 16;
|
|
dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
|
|
dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
|
|
|
|
if (h->mb_field_decoding_flag) {
|
|
linesize = s->linesize * 2;
|
|
uvlinesize = s->uvlinesize * 2;
|
|
block_offset = &h->block_offset[24];
|
|
if(mb_y&1){ //FIXME move out of this func?
|
|
dest_y -= s->linesize*15;
|
|
dest_cb-= s->uvlinesize*7;
|
|
dest_cr-= s->uvlinesize*7;
|
|
}
|
|
} else {
|
|
linesize = s->linesize;
|
|
uvlinesize = s->uvlinesize;
|
|
// dct_offset = s->linesize * 16;
|
|
}
|
|
|
|
if (IS_INTRA_PCM(mb_type)) {
|
|
unsigned int x, y;
|
|
|
|
// The pixels are stored in h->mb array in the same order as levels,
|
|
// copy them in output in the correct order.
|
|
for(i=0; i<16; i++) {
|
|
for (y=0; y<4; y++) {
|
|
for (x=0; x<4; x++) {
|
|
*(dest_y + block_offset[i] + y*linesize + x) = h->mb[i*16+y*4+x];
|
|
}
|
|
}
|
|
}
|
|
for(i=16; i<16+4; i++) {
|
|
for (y=0; y<4; y++) {
|
|
for (x=0; x<4; x++) {
|
|
*(dest_cb + block_offset[i] + y*uvlinesize + x) = h->mb[i*16+y*4+x];
|
|
}
|
|
}
|
|
}
|
|
for(i=20; i<20+4; i++) {
|
|
for (y=0; y<4; y++) {
|
|
for (x=0; x<4; x++) {
|
|
*(dest_cr + block_offset[i] + y*uvlinesize + x) = h->mb[i*16+y*4+x];
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if(IS_INTRA(mb_type)){
|
|
if(h->deblocking_filter) {
|
|
if (h->mb_aff_frame) {
|
|
if (!bottom)
|
|
xchg_pair_border(h, dest_y, dest_cb, dest_cr, s->linesize, s->uvlinesize, 1);
|
|
} else {
|
|
xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1);
|
|
}
|
|
}
|
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
|
h->pred8x8[ h->chroma_pred_mode ](dest_cb, uvlinesize);
|
|
h->pred8x8[ h->chroma_pred_mode ](dest_cr, uvlinesize);
|
|
}
|
|
|
|
if(IS_INTRA4x4(mb_type)){
|
|
if(!s->encoding){
|
|
if(IS_8x8DCT(mb_type)){
|
|
for(i=0; i<16; i+=4){
|
|
uint8_t * const ptr= dest_y + block_offset[i];
|
|
const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
|
|
h->pred8x8l[ dir ](ptr, (h->topleft_samples_available<<i)&0x8000,
|
|
(h->topright_samples_available<<(i+1))&0x8000, linesize);
|
|
if(h->non_zero_count_cache[ scan8[i] ])
|
|
s->dsp.h264_idct8_add(ptr, h->mb + i*16, linesize);
|
|
}
|
|
}else
|
|
for(i=0; i<16; i++){
|
|
uint8_t * const ptr= dest_y + block_offset[i];
|
|
uint8_t *topright;
|
|
const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
|
|
int tr;
|
|
|
|
if(dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED){
|
|
const int topright_avail= (h->topright_samples_available<<i)&0x8000;
|
|
assert(mb_y || linesize <= block_offset[i]);
|
|
if(!topright_avail){
|
|
tr= ptr[3 - linesize]*0x01010101;
|
|
topright= (uint8_t*) &tr;
|
|
}else
|
|
topright= ptr + 4 - linesize;
|
|
}else
|
|
topright= NULL;
|
|
|
|
h->pred4x4[ dir ](ptr, topright, linesize);
|
|
if(h->non_zero_count_cache[ scan8[i] ]){
|
|
if(s->codec_id == CODEC_ID_H264)
|
|
s->dsp.h264_idct_add(ptr, h->mb + i*16, linesize);
|
|
else
|
|
svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, 0);
|
|
}
|
|
}
|
|
}
|
|
}else{
|
|
h->pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize);
|
|
if(s->codec_id == CODEC_ID_H264)
|
|
h264_luma_dc_dequant_idct_c(h->mb, s->qscale);
|
|
else
|
|
svq3_luma_dc_dequant_idct_c(h->mb, s->qscale);
|
|
}
|
|
if(h->deblocking_filter) {
|
|
if (h->mb_aff_frame) {
|
|
if (bottom) {
|
|
uint8_t *pair_dest_y = s->current_picture.data[0] + ((mb_y-1) * 16* s->linesize ) + mb_x * 16;
|
|
uint8_t *pair_dest_cb = s->current_picture.data[1] + ((mb_y-1) * 8 * s->uvlinesize) + mb_x * 8;
|
|
uint8_t *pair_dest_cr = s->current_picture.data[2] + ((mb_y-1) * 8 * s->uvlinesize) + mb_x * 8;
|
|
s->mb_y--;
|
|
xchg_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize, 0);
|
|
s->mb_y++;
|
|
}
|
|
} else {
|
|
xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0);
|
|
}
|
|
}
|
|
}else if(s->codec_id == CODEC_ID_H264){
|
|
hl_motion(h, dest_y, dest_cb, dest_cr,
|
|
s->dsp.put_h264_qpel_pixels_tab, s->dsp.put_h264_chroma_pixels_tab,
|
|
s->dsp.avg_h264_qpel_pixels_tab, s->dsp.avg_h264_chroma_pixels_tab,
|
|
s->dsp.weight_h264_pixels_tab, s->dsp.biweight_h264_pixels_tab);
|
|
}
|
|
|
|
|
|
if(!IS_INTRA4x4(mb_type)){
|
|
if(s->codec_id == CODEC_ID_H264){
|
|
const int di = IS_8x8DCT(mb_type) ? 4 : 1;
|
|
void (*idct)(uint8_t *dst, DCTELEM *block, int stride) =
|
|
IS_8x8DCT(mb_type) ? s->dsp.h264_idct8_add : s->dsp.h264_idct_add;
|
|
for(i=0; i<16; i+=di){
|
|
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below
|
|
uint8_t * const ptr= dest_y + block_offset[i];
|
|
idct(ptr, h->mb + i*16, linesize);
|
|
}
|
|
}
|
|
}else{
|
|
for(i=0; i<16; i++){
|
|
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below
|
|
uint8_t * const ptr= dest_y + block_offset[i];
|
|
svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, IS_INTRA(mb_type) ? 1 : 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(!(s->flags&CODEC_FLAG_GRAY)){
|
|
chroma_dc_dequant_idct_c(h->mb + 16*16, h->chroma_qp);
|
|
chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp);
|
|
if(s->codec_id == CODEC_ID_H264){
|
|
for(i=16; i<16+4; i++){
|
|
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
|
|
uint8_t * const ptr= dest_cb + block_offset[i];
|
|
s->dsp.h264_idct_add(ptr, h->mb + i*16, uvlinesize);
|
|
}
|
|
}
|
|
for(i=20; i<20+4; i++){
|
|
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
|
|
uint8_t * const ptr= dest_cr + block_offset[i];
|
|
s->dsp.h264_idct_add(ptr, h->mb + i*16, uvlinesize);
|
|
}
|
|
}
|
|
}else{
|
|
for(i=16; i<16+4; i++){
|
|
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
|
|
uint8_t * const ptr= dest_cb + block_offset[i];
|
|
svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, chroma_qp[s->qscale + 12] - 12, 2);
|
|
}
|
|
}
|
|
for(i=20; i<20+4; i++){
|
|
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
|
|
uint8_t * const ptr= dest_cr + block_offset[i];
|
|
svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, chroma_qp[s->qscale + 12] - 12, 2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(h->deblocking_filter) {
|
|
if (h->mb_aff_frame) {
|
|
const int mb_y = s->mb_y - 1;
|
|
uint8_t *pair_dest_y, *pair_dest_cb, *pair_dest_cr;
|
|
const int mb_xy= mb_x + mb_y*s->mb_stride;
|
|
const int mb_type_top = s->current_picture.mb_type[mb_xy];
|
|
const int mb_type_bottom= s->current_picture.mb_type[mb_xy+s->mb_stride];
|
|
uint8_t tmp = s->current_picture.data[1][384];
|
|
if (!bottom) return;
|
|
pair_dest_y = s->current_picture.data[0] + (mb_y * 16* s->linesize ) + mb_x * 16;
|
|
pair_dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
|
|
pair_dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
|
|
|
|
backup_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize);
|
|
// TODO deblock a pair
|
|
// top
|
|
s->mb_y--;
|
|
tprintf("call mbaff filter_mb mb_x:%d mb_y:%d pair_dest_y = %p, dest_y = %p\n", mb_x, mb_y, pair_dest_y, dest_y);
|
|
fill_caches(h, mb_type_top, 1); //FIXME don't fill stuff which isn't used by filter_mb
|
|
filter_mb(h, mb_x, mb_y, pair_dest_y, pair_dest_cb, pair_dest_cr, linesize, uvlinesize);
|
|
if (tmp != s->current_picture.data[1][384]) {
|
|
tprintf("modified pixel 8,1 (1)\n");
|
|
}
|
|
// bottom
|
|
s->mb_y++;
|
|
tprintf("call mbaff filter_mb\n");
|
|
fill_caches(h, mb_type_bottom, 1); //FIXME don't fill stuff which isn't used by filter_mb
|
|
filter_mb(h, mb_x, mb_y+1, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
|
|
if (tmp != s->current_picture.data[1][384]) {
|
|
tprintf("modified pixel 8,1 (2)\n");
|
|
}
|
|
} else {
|
|
tprintf("call filter_mb\n");
|
|
backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
|
|
fill_caches(h, mb_type, 1); //FIXME don't fill stuff which isn't used by filter_mb
|
|
filter_mb(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* fills the default_ref_list.
|
|
*/
|
|
static int fill_default_ref_list(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
int i;
|
|
int smallest_poc_greater_than_current = -1;
|
|
Picture sorted_short_ref[32];
|
|
|
|
if(h->slice_type==B_TYPE){
|
|
int out_i;
|
|
int limit= INT_MIN;
|
|
|
|
/* sort frame according to poc in B slice */
|
|
for(out_i=0; out_i<h->short_ref_count; out_i++){
|
|
int best_i=INT_MIN;
|
|
int best_poc=INT_MAX;
|
|
|
|
for(i=0; i<h->short_ref_count; i++){
|
|
const int poc= h->short_ref[i]->poc;
|
|
if(poc > limit && poc < best_poc){
|
|
best_poc= poc;
|
|
best_i= i;
|
|
}
|
|
}
|
|
|
|
assert(best_i != INT_MIN);
|
|
|
|
limit= best_poc;
|
|
sorted_short_ref[out_i]= *h->short_ref[best_i];
|
|
tprintf("sorted poc: %d->%d poc:%d fn:%d\n", best_i, out_i, sorted_short_ref[out_i].poc, sorted_short_ref[out_i].frame_num);
|
|
if (-1 == smallest_poc_greater_than_current) {
|
|
if (h->short_ref[best_i]->poc >= s->current_picture_ptr->poc) {
|
|
smallest_poc_greater_than_current = out_i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(s->picture_structure == PICT_FRAME){
|
|
if(h->slice_type==B_TYPE){
|
|
int list;
|
|
tprintf("current poc: %d, smallest_poc_greater_than_current: %d\n", s->current_picture_ptr->poc, smallest_poc_greater_than_current);
|
|
|
|
// find the largest poc
|
|
for(list=0; list<2; list++){
|
|
int index = 0;
|
|
int j= -99;
|
|
int step= list ? -1 : 1;
|
|
|
|
for(i=0; i<h->short_ref_count && index < h->ref_count[list]; i++, j+=step) {
|
|
while(j<0 || j>= h->short_ref_count){
|
|
if(j != -99 && step == (list ? -1 : 1))
|
|
return -1;
|
|
step = -step;
|
|
j= smallest_poc_greater_than_current + (step>>1);
|
|
}
|
|
if(sorted_short_ref[j].reference != 3) continue;
|
|
h->default_ref_list[list][index ]= sorted_short_ref[j];
|
|
h->default_ref_list[list][index++].pic_id= sorted_short_ref[j].frame_num;
|
|
}
|
|
|
|
for(i = 0; i < 16 && index < h->ref_count[ list ]; i++){
|
|
if(h->long_ref[i] == NULL) continue;
|
|
if(h->long_ref[i]->reference != 3) continue;
|
|
|
|
h->default_ref_list[ list ][index ]= *h->long_ref[i];
|
|
h->default_ref_list[ list ][index++].pic_id= i;;
|
|
}
|
|
|
|
if(list && (smallest_poc_greater_than_current<=0 || smallest_poc_greater_than_current>=h->short_ref_count) && (1 < index)){
|
|
// swap the two first elements of L1 when
|
|
// L0 and L1 are identical
|
|
Picture temp= h->default_ref_list[1][0];
|
|
h->default_ref_list[1][0] = h->default_ref_list[1][1];
|
|
h->default_ref_list[1][1] = temp;
|
|
}
|
|
|
|
if(index < h->ref_count[ list ])
|
|
memset(&h->default_ref_list[list][index], 0, sizeof(Picture)*(h->ref_count[ list ] - index));
|
|
}
|
|
}else{
|
|
int index=0;
|
|
for(i=0; i<h->short_ref_count; i++){
|
|
if(h->short_ref[i]->reference != 3) continue; //FIXME refernce field shit
|
|
h->default_ref_list[0][index ]= *h->short_ref[i];
|
|
h->default_ref_list[0][index++].pic_id= h->short_ref[i]->frame_num;
|
|
}
|
|
for(i = 0; i < 16; i++){
|
|
if(h->long_ref[i] == NULL) continue;
|
|
if(h->long_ref[i]->reference != 3) continue;
|
|
h->default_ref_list[0][index ]= *h->long_ref[i];
|
|
h->default_ref_list[0][index++].pic_id= i;;
|
|
}
|
|
if(index < h->ref_count[0])
|
|
memset(&h->default_ref_list[0][index], 0, sizeof(Picture)*(h->ref_count[0] - index));
|
|
}
|
|
}else{ //FIELD
|
|
if(h->slice_type==B_TYPE){
|
|
}else{
|
|
//FIXME second field balh
|
|
}
|
|
}
|
|
#ifdef TRACE
|
|
for (i=0; i<h->ref_count[0]; i++) {
|
|
tprintf("List0: %s fn:%d 0x%p\n", (h->default_ref_list[0][i].long_ref ? "LT" : "ST"), h->default_ref_list[0][i].pic_id, h->default_ref_list[0][i].data[0]);
|
|
}
|
|
if(h->slice_type==B_TYPE){
|
|
for (i=0; i<h->ref_count[1]; i++) {
|
|
tprintf("List1: %s fn:%d 0x%p\n", (h->default_ref_list[1][i].long_ref ? "LT" : "ST"), h->default_ref_list[1][i].pic_id, h->default_ref_list[0][i].data[0]);
|
|
}
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static void print_short_term(H264Context *h);
|
|
static void print_long_term(H264Context *h);
|
|
|
|
static int decode_ref_pic_list_reordering(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
int list, index;
|
|
|
|
print_short_term(h);
|
|
print_long_term(h);
|
|
if(h->slice_type==I_TYPE || h->slice_type==SI_TYPE) return 0; //FIXME move before func
|
|
|
|
for(list=0; list<2; list++){
|
|
memcpy(h->ref_list[list], h->default_ref_list[list], sizeof(Picture)*h->ref_count[list]);
|
|
|
|
if(get_bits1(&s->gb)){
|
|
int pred= h->curr_pic_num;
|
|
|
|
for(index=0; ; index++){
|
|
int reordering_of_pic_nums_idc= get_ue_golomb(&s->gb);
|
|
int pic_id;
|
|
int i;
|
|
Picture *ref = NULL;
|
|
|
|
if(reordering_of_pic_nums_idc==3)
|
|
break;
|
|
|
|
if(index >= h->ref_count[list]){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "reference count overflow\n");
|
|
return -1;
|
|
}
|
|
|
|
if(reordering_of_pic_nums_idc<3){
|
|
if(reordering_of_pic_nums_idc<2){
|
|
const int abs_diff_pic_num= get_ue_golomb(&s->gb) + 1;
|
|
|
|
if(abs_diff_pic_num >= h->max_pic_num){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "abs_diff_pic_num overflow\n");
|
|
return -1;
|
|
}
|
|
|
|
if(reordering_of_pic_nums_idc == 0) pred-= abs_diff_pic_num;
|
|
else pred+= abs_diff_pic_num;
|
|
pred &= h->max_pic_num - 1;
|
|
|
|
for(i= h->short_ref_count-1; i>=0; i--){
|
|
ref = h->short_ref[i];
|
|
assert(ref->reference == 3);
|
|
assert(!ref->long_ref);
|
|
if(ref->data[0] != NULL && ref->frame_num == pred && ref->long_ref == 0) // ignore non existing pictures by testing data[0] pointer
|
|
break;
|
|
}
|
|
if(i>=0)
|
|
ref->pic_id= ref->frame_num;
|
|
}else{
|
|
pic_id= get_ue_golomb(&s->gb); //long_term_pic_idx
|
|
ref = h->long_ref[pic_id];
|
|
ref->pic_id= pic_id;
|
|
assert(ref->reference == 3);
|
|
assert(ref->long_ref);
|
|
i=0;
|
|
}
|
|
|
|
if (i < 0) {
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "reference picture missing during reorder\n");
|
|
memset(&h->ref_list[list][index], 0, sizeof(Picture)); //FIXME
|
|
} else {
|
|
for(i=index; i+1<h->ref_count[list]; i++){
|
|
if(ref->long_ref == h->ref_list[list][i].long_ref && ref->pic_id == h->ref_list[list][i].pic_id)
|
|
break;
|
|
}
|
|
for(; i > index; i--){
|
|
h->ref_list[list][i]= h->ref_list[list][i-1];
|
|
}
|
|
h->ref_list[list][index]= *ref;
|
|
}
|
|
}else{
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "illegal reordering_of_pic_nums_idc\n");
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(h->slice_type!=B_TYPE) break;
|
|
}
|
|
for(list=0; list<2; list++){
|
|
for(index= 0; index < h->ref_count[list]; index++){
|
|
if(!h->ref_list[list][index].data[0])
|
|
h->ref_list[list][index]= s->current_picture;
|
|
}
|
|
if(h->slice_type!=B_TYPE) break;
|
|
}
|
|
|
|
if(h->slice_type==B_TYPE && !h->direct_spatial_mv_pred)
|
|
direct_dist_scale_factor(h);
|
|
direct_ref_list_init(h);
|
|
return 0;
|
|
}
|
|
|
|
static int pred_weight_table(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
int list, i;
|
|
int luma_def, chroma_def;
|
|
|
|
h->use_weight= 0;
|
|
h->use_weight_chroma= 0;
|
|
h->luma_log2_weight_denom= get_ue_golomb(&s->gb);
|
|
h->chroma_log2_weight_denom= get_ue_golomb(&s->gb);
|
|
luma_def = 1<<h->luma_log2_weight_denom;
|
|
chroma_def = 1<<h->chroma_log2_weight_denom;
|
|
|
|
for(list=0; list<2; list++){
|
|
for(i=0; i<h->ref_count[list]; i++){
|
|
int luma_weight_flag, chroma_weight_flag;
|
|
|
|
luma_weight_flag= get_bits1(&s->gb);
|
|
if(luma_weight_flag){
|
|
h->luma_weight[list][i]= get_se_golomb(&s->gb);
|
|
h->luma_offset[list][i]= get_se_golomb(&s->gb);
|
|
if( h->luma_weight[list][i] != luma_def
|
|
|| h->luma_offset[list][i] != 0)
|
|
h->use_weight= 1;
|
|
}else{
|
|
h->luma_weight[list][i]= luma_def;
|
|
h->luma_offset[list][i]= 0;
|
|
}
|
|
|
|
chroma_weight_flag= get_bits1(&s->gb);
|
|
if(chroma_weight_flag){
|
|
int j;
|
|
for(j=0; j<2; j++){
|
|
h->chroma_weight[list][i][j]= get_se_golomb(&s->gb);
|
|
h->chroma_offset[list][i][j]= get_se_golomb(&s->gb);
|
|
if( h->chroma_weight[list][i][j] != chroma_def
|
|
|| h->chroma_offset[list][i][j] != 0)
|
|
h->use_weight_chroma= 1;
|
|
}
|
|
}else{
|
|
int j;
|
|
for(j=0; j<2; j++){
|
|
h->chroma_weight[list][i][j]= chroma_def;
|
|
h->chroma_offset[list][i][j]= 0;
|
|
}
|
|
}
|
|
}
|
|
if(h->slice_type != B_TYPE) break;
|
|
}
|
|
h->use_weight= h->use_weight || h->use_weight_chroma;
|
|
return 0;
|
|
}
|
|
|
|
static void implicit_weight_table(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
int ref0, ref1;
|
|
int cur_poc = s->current_picture_ptr->poc;
|
|
|
|
if( h->ref_count[0] == 1 && h->ref_count[1] == 1
|
|
&& h->ref_list[0][0].poc + h->ref_list[1][0].poc == 2*cur_poc){
|
|
h->use_weight= 0;
|
|
h->use_weight_chroma= 0;
|
|
return;
|
|
}
|
|
|
|
h->use_weight= 2;
|
|
h->use_weight_chroma= 2;
|
|
h->luma_log2_weight_denom= 5;
|
|
h->chroma_log2_weight_denom= 5;
|
|
|
|
/* FIXME: MBAFF */
|
|
for(ref0=0; ref0 < h->ref_count[0]; ref0++){
|
|
int poc0 = h->ref_list[0][ref0].poc;
|
|
for(ref1=0; ref1 < h->ref_count[1]; ref1++){
|
|
int poc1 = h->ref_list[1][ref1].poc;
|
|
int td = clip(poc1 - poc0, -128, 127);
|
|
if(td){
|
|
int tb = clip(cur_poc - poc0, -128, 127);
|
|
int tx = (16384 + (ABS(td) >> 1)) / td;
|
|
int dist_scale_factor = clip((tb*tx + 32) >> 6, -1024, 1023) >> 2;
|
|
if(dist_scale_factor < -64 || dist_scale_factor > 128)
|
|
h->implicit_weight[ref0][ref1] = 32;
|
|
else
|
|
h->implicit_weight[ref0][ref1] = 64 - dist_scale_factor;
|
|
}else
|
|
h->implicit_weight[ref0][ref1] = 32;
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void unreference_pic(H264Context *h, Picture *pic){
|
|
int i;
|
|
pic->reference=0;
|
|
if(pic == h->delayed_output_pic)
|
|
pic->reference=1;
|
|
else{
|
|
for(i = 0; h->delayed_pic[i]; i++)
|
|
if(pic == h->delayed_pic[i]){
|
|
pic->reference=1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* instantaneous decoder refresh.
|
|
*/
|
|
static void idr(H264Context *h){
|
|
int i;
|
|
|
|
for(i=0; i<16; i++){
|
|
if (h->long_ref[i] != NULL) {
|
|
unreference_pic(h, h->long_ref[i]);
|
|
h->long_ref[i]= NULL;
|
|
}
|
|
}
|
|
h->long_ref_count=0;
|
|
|
|
for(i=0; i<h->short_ref_count; i++){
|
|
unreference_pic(h, h->short_ref[i]);
|
|
h->short_ref[i]= NULL;
|
|
}
|
|
h->short_ref_count=0;
|
|
}
|
|
|
|
/* forget old pics after a seek */
|
|
static void flush_dpb(AVCodecContext *avctx){
|
|
H264Context *h= avctx->priv_data;
|
|
int i;
|
|
for(i=0; i<16; i++)
|
|
h->delayed_pic[i]= NULL;
|
|
h->delayed_output_pic= NULL;
|
|
idr(h);
|
|
if(h->s.current_picture_ptr)
|
|
h->s.current_picture_ptr->reference= 0;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @return the removed picture or NULL if an error occurs
|
|
*/
|
|
static Picture * remove_short(H264Context *h, int frame_num){
|
|
MpegEncContext * const s = &h->s;
|
|
int i;
|
|
|
|
if(s->avctx->debug&FF_DEBUG_MMCO)
|
|
av_log(h->s.avctx, AV_LOG_DEBUG, "remove short %d count %d\n", frame_num, h->short_ref_count);
|
|
|
|
for(i=0; i<h->short_ref_count; i++){
|
|
Picture *pic= h->short_ref[i];
|
|
if(s->avctx->debug&FF_DEBUG_MMCO)
|
|
av_log(h->s.avctx, AV_LOG_DEBUG, "%d %d %p\n", i, pic->frame_num, pic);
|
|
if(pic->frame_num == frame_num){
|
|
h->short_ref[i]= NULL;
|
|
memmove(&h->short_ref[i], &h->short_ref[i+1], (h->short_ref_count - i - 1)*sizeof(Picture*));
|
|
h->short_ref_count--;
|
|
return pic;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @return the removed picture or NULL if an error occurs
|
|
*/
|
|
static Picture * remove_long(H264Context *h, int i){
|
|
Picture *pic;
|
|
|
|
pic= h->long_ref[i];
|
|
h->long_ref[i]= NULL;
|
|
if(pic) h->long_ref_count--;
|
|
|
|
return pic;
|
|
}
|
|
|
|
/**
|
|
* print short term list
|
|
*/
|
|
static void print_short_term(H264Context *h) {
|
|
uint32_t i;
|
|
if(h->s.avctx->debug&FF_DEBUG_MMCO) {
|
|
av_log(h->s.avctx, AV_LOG_DEBUG, "short term list:\n");
|
|
for(i=0; i<h->short_ref_count; i++){
|
|
Picture *pic= h->short_ref[i];
|
|
av_log(h->s.avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", i, pic->frame_num, pic->poc, pic->data[0]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* print long term list
|
|
*/
|
|
static void print_long_term(H264Context *h) {
|
|
uint32_t i;
|
|
if(h->s.avctx->debug&FF_DEBUG_MMCO) {
|
|
av_log(h->s.avctx, AV_LOG_DEBUG, "long term list:\n");
|
|
for(i = 0; i < 16; i++){
|
|
Picture *pic= h->long_ref[i];
|
|
if (pic) {
|
|
av_log(h->s.avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", i, pic->frame_num, pic->poc, pic->data[0]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Executes the reference picture marking (memory management control operations).
|
|
*/
|
|
static int execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
|
|
MpegEncContext * const s = &h->s;
|
|
int i, j;
|
|
int current_is_long=0;
|
|
Picture *pic;
|
|
|
|
if((s->avctx->debug&FF_DEBUG_MMCO) && mmco_count==0)
|
|
av_log(h->s.avctx, AV_LOG_DEBUG, "no mmco here\n");
|
|
|
|
for(i=0; i<mmco_count; i++){
|
|
if(s->avctx->debug&FF_DEBUG_MMCO)
|
|
av_log(h->s.avctx, AV_LOG_DEBUG, "mmco:%d %d %d\n", h->mmco[i].opcode, h->mmco[i].short_frame_num, h->mmco[i].long_index);
|
|
|
|
switch(mmco[i].opcode){
|
|
case MMCO_SHORT2UNUSED:
|
|
pic= remove_short(h, mmco[i].short_frame_num);
|
|
if(pic==NULL) return -1;
|
|
unreference_pic(h, pic);
|
|
break;
|
|
case MMCO_SHORT2LONG:
|
|
pic= remove_long(h, mmco[i].long_index);
|
|
if(pic) unreference_pic(h, pic);
|
|
|
|
h->long_ref[ mmco[i].long_index ]= remove_short(h, mmco[i].short_frame_num);
|
|
h->long_ref[ mmco[i].long_index ]->long_ref=1;
|
|
h->long_ref_count++;
|
|
break;
|
|
case MMCO_LONG2UNUSED:
|
|
pic= remove_long(h, mmco[i].long_index);
|
|
if(pic==NULL) return -1;
|
|
unreference_pic(h, pic);
|
|
break;
|
|
case MMCO_LONG:
|
|
pic= remove_long(h, mmco[i].long_index);
|
|
if(pic) unreference_pic(h, pic);
|
|
|
|
h->long_ref[ mmco[i].long_index ]= s->current_picture_ptr;
|
|
h->long_ref[ mmco[i].long_index ]->long_ref=1;
|
|
h->long_ref_count++;
|
|
|
|
current_is_long=1;
|
|
break;
|
|
case MMCO_SET_MAX_LONG:
|
|
assert(mmco[i].long_index <= 16);
|
|
// just remove the long term which index is greater than new max
|
|
for(j = mmco[i].long_index; j<16; j++){
|
|
pic = remove_long(h, j);
|
|
if (pic) unreference_pic(h, pic);
|
|
}
|
|
break;
|
|
case MMCO_RESET:
|
|
while(h->short_ref_count){
|
|
pic= remove_short(h, h->short_ref[0]->frame_num);
|
|
unreference_pic(h, pic);
|
|
}
|
|
for(j = 0; j < 16; j++) {
|
|
pic= remove_long(h, j);
|
|
if(pic) unreference_pic(h, pic);
|
|
}
|
|
break;
|
|
default: assert(0);
|
|
}
|
|
}
|
|
|
|
if(!current_is_long){
|
|
pic= remove_short(h, s->current_picture_ptr->frame_num);
|
|
if(pic){
|
|
unreference_pic(h, pic);
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "illegal short term buffer state detected\n");
|
|
}
|
|
|
|
if(h->short_ref_count)
|
|
memmove(&h->short_ref[1], &h->short_ref[0], h->short_ref_count*sizeof(Picture*));
|
|
|
|
h->short_ref[0]= s->current_picture_ptr;
|
|
h->short_ref[0]->long_ref=0;
|
|
h->short_ref_count++;
|
|
}
|
|
|
|
print_short_term(h);
|
|
print_long_term(h);
|
|
return 0;
|
|
}
|
|
|
|
static int decode_ref_pic_marking(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
int i;
|
|
|
|
if(h->nal_unit_type == NAL_IDR_SLICE){ //FIXME fields
|
|
s->broken_link= get_bits1(&s->gb) -1;
|
|
h->mmco[0].long_index= get_bits1(&s->gb) - 1; // current_long_term_idx
|
|
if(h->mmco[0].long_index == -1)
|
|
h->mmco_index= 0;
|
|
else{
|
|
h->mmco[0].opcode= MMCO_LONG;
|
|
h->mmco_index= 1;
|
|
}
|
|
}else{
|
|
if(get_bits1(&s->gb)){ // adaptive_ref_pic_marking_mode_flag
|
|
for(i= 0; i<MAX_MMCO_COUNT; i++) {
|
|
MMCOOpcode opcode= get_ue_golomb(&s->gb);;
|
|
|
|
h->mmco[i].opcode= opcode;
|
|
if(opcode==MMCO_SHORT2UNUSED || opcode==MMCO_SHORT2LONG){
|
|
h->mmco[i].short_frame_num= (h->frame_num - get_ue_golomb(&s->gb) - 1) & ((1<<h->sps.log2_max_frame_num)-1); //FIXME fields
|
|
/* if(h->mmco[i].short_frame_num >= h->short_ref_count || h->short_ref[ h->mmco[i].short_frame_num ] == NULL){
|
|
fprintf(stderr, "illegal short ref in memory management control operation %d\n", mmco);
|
|
return -1;
|
|
}*/
|
|
}
|
|
if(opcode==MMCO_SHORT2LONG || opcode==MMCO_LONG2UNUSED || opcode==MMCO_LONG || opcode==MMCO_SET_MAX_LONG){
|
|
h->mmco[i].long_index= get_ue_golomb(&s->gb);
|
|
if(/*h->mmco[i].long_index >= h->long_ref_count || h->long_ref[ h->mmco[i].long_index ] == NULL*/ h->mmco[i].long_index >= 16){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "illegal long ref in memory management control operation %d\n", opcode);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if(opcode > MMCO_LONG){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "illegal memory management control operation %d\n", opcode);
|
|
return -1;
|
|
}
|
|
if(opcode == MMCO_END)
|
|
break;
|
|
}
|
|
h->mmco_index= i;
|
|
}else{
|
|
assert(h->long_ref_count + h->short_ref_count <= h->sps.ref_frame_count);
|
|
|
|
if(h->long_ref_count + h->short_ref_count == h->sps.ref_frame_count){ //FIXME fields
|
|
h->mmco[0].opcode= MMCO_SHORT2UNUSED;
|
|
h->mmco[0].short_frame_num= h->short_ref[ h->short_ref_count - 1 ]->frame_num;
|
|
h->mmco_index= 1;
|
|
}else
|
|
h->mmco_index= 0;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int init_poc(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
const int max_frame_num= 1<<h->sps.log2_max_frame_num;
|
|
int field_poc[2];
|
|
|
|
if(h->nal_unit_type == NAL_IDR_SLICE){
|
|
h->frame_num_offset= 0;
|
|
}else{
|
|
if(h->frame_num < h->prev_frame_num)
|
|
h->frame_num_offset= h->prev_frame_num_offset + max_frame_num;
|
|
else
|
|
h->frame_num_offset= h->prev_frame_num_offset;
|
|
}
|
|
|
|
if(h->sps.poc_type==0){
|
|
const int max_poc_lsb= 1<<h->sps.log2_max_poc_lsb;
|
|
|
|
if(h->nal_unit_type == NAL_IDR_SLICE){
|
|
h->prev_poc_msb=
|
|
h->prev_poc_lsb= 0;
|
|
}
|
|
|
|
if (h->poc_lsb < h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb >= max_poc_lsb/2)
|
|
h->poc_msb = h->prev_poc_msb + max_poc_lsb;
|
|
else if(h->poc_lsb > h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb < -max_poc_lsb/2)
|
|
h->poc_msb = h->prev_poc_msb - max_poc_lsb;
|
|
else
|
|
h->poc_msb = h->prev_poc_msb;
|
|
//printf("poc: %d %d\n", h->poc_msb, h->poc_lsb);
|
|
field_poc[0] =
|
|
field_poc[1] = h->poc_msb + h->poc_lsb;
|
|
if(s->picture_structure == PICT_FRAME)
|
|
field_poc[1] += h->delta_poc_bottom;
|
|
}else if(h->sps.poc_type==1){
|
|
int abs_frame_num, expected_delta_per_poc_cycle, expectedpoc;
|
|
int i;
|
|
|
|
if(h->sps.poc_cycle_length != 0)
|
|
abs_frame_num = h->frame_num_offset + h->frame_num;
|
|
else
|
|
abs_frame_num = 0;
|
|
|
|
if(h->nal_ref_idc==0 && abs_frame_num > 0)
|
|
abs_frame_num--;
|
|
|
|
expected_delta_per_poc_cycle = 0;
|
|
for(i=0; i < h->sps.poc_cycle_length; i++)
|
|
expected_delta_per_poc_cycle += h->sps.offset_for_ref_frame[ i ]; //FIXME integrate during sps parse
|
|
|
|
if(abs_frame_num > 0){
|
|
int poc_cycle_cnt = (abs_frame_num - 1) / h->sps.poc_cycle_length;
|
|
int frame_num_in_poc_cycle = (abs_frame_num - 1) % h->sps.poc_cycle_length;
|
|
|
|
expectedpoc = poc_cycle_cnt * expected_delta_per_poc_cycle;
|
|
for(i = 0; i <= frame_num_in_poc_cycle; i++)
|
|
expectedpoc = expectedpoc + h->sps.offset_for_ref_frame[ i ];
|
|
} else
|
|
expectedpoc = 0;
|
|
|
|
if(h->nal_ref_idc == 0)
|
|
expectedpoc = expectedpoc + h->sps.offset_for_non_ref_pic;
|
|
|
|
field_poc[0] = expectedpoc + h->delta_poc[0];
|
|
field_poc[1] = field_poc[0] + h->sps.offset_for_top_to_bottom_field;
|
|
|
|
if(s->picture_structure == PICT_FRAME)
|
|
field_poc[1] += h->delta_poc[1];
|
|
}else{
|
|
int poc;
|
|
if(h->nal_unit_type == NAL_IDR_SLICE){
|
|
poc= 0;
|
|
}else{
|
|
if(h->nal_ref_idc) poc= 2*(h->frame_num_offset + h->frame_num);
|
|
else poc= 2*(h->frame_num_offset + h->frame_num) - 1;
|
|
}
|
|
field_poc[0]= poc;
|
|
field_poc[1]= poc;
|
|
}
|
|
|
|
if(s->picture_structure != PICT_BOTTOM_FIELD)
|
|
s->current_picture_ptr->field_poc[0]= field_poc[0];
|
|
if(s->picture_structure != PICT_TOP_FIELD)
|
|
s->current_picture_ptr->field_poc[1]= field_poc[1];
|
|
if(s->picture_structure == PICT_FRAME) // FIXME field pix?
|
|
s->current_picture_ptr->poc= FFMIN(field_poc[0], field_poc[1]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* decodes a slice header.
|
|
* this will allso call MPV_common_init() and frame_start() as needed
|
|
*/
|
|
static int decode_slice_header(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
int first_mb_in_slice, pps_id;
|
|
int num_ref_idx_active_override_flag;
|
|
static const uint8_t slice_type_map[5]= {P_TYPE, B_TYPE, I_TYPE, SP_TYPE, SI_TYPE};
|
|
int slice_type;
|
|
int default_ref_list_done = 0;
|
|
|
|
s->current_picture.reference= h->nal_ref_idc != 0;
|
|
s->dropable= h->nal_ref_idc == 0;
|
|
|
|
first_mb_in_slice= get_ue_golomb(&s->gb);
|
|
|
|
slice_type= get_ue_golomb(&s->gb);
|
|
if(slice_type > 9){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "slice type too large (%d) at %d %d\n", h->slice_type, s->mb_x, s->mb_y);
|
|
return -1;
|
|
}
|
|
if(slice_type > 4){
|
|
slice_type -= 5;
|
|
h->slice_type_fixed=1;
|
|
}else
|
|
h->slice_type_fixed=0;
|
|
|
|
slice_type= slice_type_map[ slice_type ];
|
|
if (slice_type == I_TYPE
|
|
|| (h->slice_num != 0 && slice_type == h->slice_type) ) {
|
|
default_ref_list_done = 1;
|
|
}
|
|
h->slice_type= slice_type;
|
|
|
|
s->pict_type= h->slice_type; // to make a few old func happy, it's wrong though
|
|
|
|
pps_id= get_ue_golomb(&s->gb);
|
|
if(pps_id>255){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
|
|
return -1;
|
|
}
|
|
h->pps= h->pps_buffer[pps_id];
|
|
if(h->pps.slice_group_count == 0){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "non existing PPS referenced\n");
|
|
return -1;
|
|
}
|
|
|
|
h->sps= h->sps_buffer[ h->pps.sps_id ];
|
|
if(h->sps.log2_max_frame_num == 0){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "non existing SPS referenced\n");
|
|
return -1;
|
|
}
|
|
|
|
s->mb_width= h->sps.mb_width;
|
|
s->mb_height= h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
|
|
|
|
h->b_stride= s->mb_width*4 + 1;
|
|
h->b8_stride= s->mb_width*2 + 1;
|
|
|
|
s->width = 16*s->mb_width - 2*(h->sps.crop_left + h->sps.crop_right );
|
|
if(h->sps.frame_mbs_only_flag)
|
|
s->height= 16*s->mb_height - 2*(h->sps.crop_top + h->sps.crop_bottom);
|
|
else
|
|
s->height= 16*s->mb_height - 4*(h->sps.crop_top + h->sps.crop_bottom); //FIXME recheck
|
|
|
|
if (s->context_initialized
|
|
&& ( s->width != s->avctx->width || s->height != s->avctx->height)) {
|
|
free_tables(h);
|
|
MPV_common_end(s);
|
|
}
|
|
if (!s->context_initialized) {
|
|
if (MPV_common_init(s) < 0)
|
|
return -1;
|
|
|
|
if(s->dsp.h264_idct_add == ff_h264_idct_add_c){ //FIXME little ugly
|
|
memcpy(h->zigzag_scan, zigzag_scan, 16*sizeof(uint8_t));
|
|
memcpy(h-> field_scan, field_scan, 16*sizeof(uint8_t));
|
|
}else{
|
|
int i;
|
|
for(i=0; i<16; i++){
|
|
#define T(x) (x>>2) | ((x<<2) & 0xF)
|
|
h->zigzag_scan[i] = T(zigzag_scan[i]);
|
|
h-> field_scan[i] = T( field_scan[i]);
|
|
}
|
|
}
|
|
|
|
alloc_tables(h);
|
|
|
|
s->avctx->width = s->width;
|
|
s->avctx->height = s->height;
|
|
s->avctx->sample_aspect_ratio= h->sps.sar;
|
|
if(!s->avctx->sample_aspect_ratio.den)
|
|
s->avctx->sample_aspect_ratio.den = 1;
|
|
|
|
if(h->sps.timing_info_present_flag){
|
|
s->avctx->time_base= (AVRational){h->sps.num_units_in_tick, h->sps.time_scale};
|
|
}
|
|
}
|
|
|
|
if(h->slice_num == 0){
|
|
frame_start(h);
|
|
}
|
|
|
|
s->current_picture_ptr->frame_num= //FIXME frame_num cleanup
|
|
h->frame_num= get_bits(&s->gb, h->sps.log2_max_frame_num);
|
|
|
|
h->mb_aff_frame = 0;
|
|
if(h->sps.frame_mbs_only_flag){
|
|
s->picture_structure= PICT_FRAME;
|
|
}else{
|
|
if(get_bits1(&s->gb)) { //field_pic_flag
|
|
s->picture_structure= PICT_TOP_FIELD + get_bits1(&s->gb); //bottom_field_flag
|
|
} else {
|
|
s->picture_structure= PICT_FRAME;
|
|
first_mb_in_slice <<= 1;
|
|
h->mb_aff_frame = h->sps.mb_aff;
|
|
}
|
|
}
|
|
|
|
s->resync_mb_x = s->mb_x = first_mb_in_slice % s->mb_width;
|
|
s->resync_mb_y = s->mb_y = first_mb_in_slice / s->mb_width;
|
|
|
|
if(s->picture_structure==PICT_FRAME){
|
|
h->curr_pic_num= h->frame_num;
|
|
h->max_pic_num= 1<< h->sps.log2_max_frame_num;
|
|
}else{
|
|
h->curr_pic_num= 2*h->frame_num;
|
|
h->max_pic_num= 1<<(h->sps.log2_max_frame_num + 1);
|
|
}
|
|
|
|
if(h->nal_unit_type == NAL_IDR_SLICE){
|
|
get_ue_golomb(&s->gb); /* idr_pic_id */
|
|
}
|
|
|
|
if(h->sps.poc_type==0){
|
|
h->poc_lsb= get_bits(&s->gb, h->sps.log2_max_poc_lsb);
|
|
|
|
if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME){
|
|
h->delta_poc_bottom= get_se_golomb(&s->gb);
|
|
}
|
|
}
|
|
|
|
if(h->sps.poc_type==1 && !h->sps.delta_pic_order_always_zero_flag){
|
|
h->delta_poc[0]= get_se_golomb(&s->gb);
|
|
|
|
if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME)
|
|
h->delta_poc[1]= get_se_golomb(&s->gb);
|
|
}
|
|
|
|
init_poc(h);
|
|
|
|
if(h->pps.redundant_pic_cnt_present){
|
|
h->redundant_pic_count= get_ue_golomb(&s->gb);
|
|
}
|
|
|
|
//set defaults, might be overriden a few line later
|
|
h->ref_count[0]= h->pps.ref_count[0];
|
|
h->ref_count[1]= h->pps.ref_count[1];
|
|
|
|
if(h->slice_type == P_TYPE || h->slice_type == SP_TYPE || h->slice_type == B_TYPE){
|
|
if(h->slice_type == B_TYPE){
|
|
h->direct_spatial_mv_pred= get_bits1(&s->gb);
|
|
}
|
|
num_ref_idx_active_override_flag= get_bits1(&s->gb);
|
|
|
|
if(num_ref_idx_active_override_flag){
|
|
h->ref_count[0]= get_ue_golomb(&s->gb) + 1;
|
|
if(h->slice_type==B_TYPE)
|
|
h->ref_count[1]= get_ue_golomb(&s->gb) + 1;
|
|
|
|
if(h->ref_count[0] > 32 || h->ref_count[1] > 32){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow\n");
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(!default_ref_list_done){
|
|
fill_default_ref_list(h);
|
|
}
|
|
|
|
decode_ref_pic_list_reordering(h);
|
|
|
|
if( (h->pps.weighted_pred && (h->slice_type == P_TYPE || h->slice_type == SP_TYPE ))
|
|
|| (h->pps.weighted_bipred_idc==1 && h->slice_type==B_TYPE ) )
|
|
pred_weight_table(h);
|
|
else if(h->pps.weighted_bipred_idc==2 && h->slice_type==B_TYPE)
|
|
implicit_weight_table(h);
|
|
else
|
|
h->use_weight = 0;
|
|
|
|
if(s->current_picture.reference)
|
|
decode_ref_pic_marking(h);
|
|
|
|
if( h->slice_type != I_TYPE && h->slice_type != SI_TYPE && h->pps.cabac )
|
|
h->cabac_init_idc = get_ue_golomb(&s->gb);
|
|
|
|
h->last_qscale_diff = 0;
|
|
s->qscale = h->pps.init_qp + get_se_golomb(&s->gb);
|
|
if(s->qscale<0 || s->qscale>51){
|
|
av_log(s->avctx, AV_LOG_ERROR, "QP %d out of range\n", s->qscale);
|
|
return -1;
|
|
}
|
|
h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
|
|
//FIXME qscale / qp ... stuff
|
|
if(h->slice_type == SP_TYPE){
|
|
get_bits1(&s->gb); /* sp_for_switch_flag */
|
|
}
|
|
if(h->slice_type==SP_TYPE || h->slice_type == SI_TYPE){
|
|
get_se_golomb(&s->gb); /* slice_qs_delta */
|
|
}
|
|
|
|
h->deblocking_filter = 1;
|
|
h->slice_alpha_c0_offset = 0;
|
|
h->slice_beta_offset = 0;
|
|
if( h->pps.deblocking_filter_parameters_present ) {
|
|
h->deblocking_filter= get_ue_golomb(&s->gb);
|
|
if(h->deblocking_filter < 2)
|
|
h->deblocking_filter^= 1; // 1<->0
|
|
|
|
if( h->deblocking_filter ) {
|
|
h->slice_alpha_c0_offset = get_se_golomb(&s->gb) << 1;
|
|
h->slice_beta_offset = get_se_golomb(&s->gb) << 1;
|
|
}
|
|
}
|
|
|
|
#if 0 //FMO
|
|
if( h->pps.num_slice_groups > 1 && h->pps.mb_slice_group_map_type >= 3 && h->pps.mb_slice_group_map_type <= 5)
|
|
slice_group_change_cycle= get_bits(&s->gb, ?);
|
|
#endif
|
|
|
|
h->slice_num++;
|
|
|
|
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
|
|
av_log(h->s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c pps:%d frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s\n",
|
|
h->slice_num,
|
|
(s->picture_structure==PICT_FRAME ? "F" : s->picture_structure==PICT_TOP_FIELD ? "T" : "B"),
|
|
first_mb_in_slice,
|
|
av_get_pict_type_char(h->slice_type),
|
|
pps_id, h->frame_num,
|
|
s->current_picture_ptr->field_poc[0], s->current_picture_ptr->field_poc[1],
|
|
h->ref_count[0], h->ref_count[1],
|
|
s->qscale,
|
|
h->deblocking_filter, h->slice_alpha_c0_offset/2, h->slice_beta_offset/2,
|
|
h->use_weight,
|
|
h->use_weight==1 && h->use_weight_chroma ? "c" : ""
|
|
);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
*
|
|
*/
|
|
static inline int get_level_prefix(GetBitContext *gb){
|
|
unsigned int buf;
|
|
int log;
|
|
|
|
OPEN_READER(re, gb);
|
|
UPDATE_CACHE(re, gb);
|
|
buf=GET_CACHE(re, gb);
|
|
|
|
log= 32 - av_log2(buf);
|
|
#ifdef TRACE
|
|
print_bin(buf>>(32-log), log);
|
|
av_log(NULL, AV_LOG_DEBUG, "%5d %2d %3d lpr @%5d in %s get_level_prefix\n", buf>>(32-log), log, log-1, get_bits_count(gb), __FILE__);
|
|
#endif
|
|
|
|
LAST_SKIP_BITS(re, gb, log);
|
|
CLOSE_READER(re, gb);
|
|
|
|
return log-1;
|
|
}
|
|
|
|
static inline int get_dct8x8_allowed(H264Context *h){
|
|
int i;
|
|
for(i=0; i<4; i++){
|
|
if(!IS_SUB_8X8(h->sub_mb_type[i])
|
|
|| !h->sps.direct_8x8_inference_flag && IS_DIRECT(h->sub_mb_type[i]))
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* decodes a residual block.
|
|
* @param n block index
|
|
* @param scantable scantable
|
|
* @param max_coeff number of coefficients in the block
|
|
* @return <0 if an error occured
|
|
*/
|
|
static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, int n, const uint8_t *scantable, const uint16_t *qmul, int max_coeff){
|
|
MpegEncContext * const s = &h->s;
|
|
static const int coeff_token_table_index[17]= {0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3};
|
|
int level[16], run[16];
|
|
int suffix_length, zeros_left, coeff_num, coeff_token, total_coeff, i, trailing_ones;
|
|
|
|
//FIXME put trailing_onex into the context
|
|
|
|
if(n == CHROMA_DC_BLOCK_INDEX){
|
|
coeff_token= get_vlc2(gb, chroma_dc_coeff_token_vlc.table, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 1);
|
|
total_coeff= coeff_token>>2;
|
|
}else{
|
|
if(n == LUMA_DC_BLOCK_INDEX){
|
|
total_coeff= pred_non_zero_count(h, 0);
|
|
coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
|
|
total_coeff= coeff_token>>2;
|
|
}else{
|
|
total_coeff= pred_non_zero_count(h, n);
|
|
coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
|
|
total_coeff= coeff_token>>2;
|
|
h->non_zero_count_cache[ scan8[n] ]= total_coeff;
|
|
}
|
|
}
|
|
|
|
//FIXME set last_non_zero?
|
|
|
|
if(total_coeff==0)
|
|
return 0;
|
|
|
|
trailing_ones= coeff_token&3;
|
|
tprintf("trailing:%d, total:%d\n", trailing_ones, total_coeff);
|
|
assert(total_coeff<=16);
|
|
|
|
for(i=0; i<trailing_ones; i++){
|
|
level[i]= 1 - 2*get_bits1(gb);
|
|
}
|
|
|
|
suffix_length= total_coeff > 10 && trailing_ones < 3;
|
|
|
|
for(; i<total_coeff; i++){
|
|
const int prefix= get_level_prefix(gb);
|
|
int level_code, mask;
|
|
|
|
if(prefix<14){ //FIXME try to build a large unified VLC table for all this
|
|
if(suffix_length)
|
|
level_code= (prefix<<suffix_length) + get_bits(gb, suffix_length); //part
|
|
else
|
|
level_code= (prefix<<suffix_length); //part
|
|
}else if(prefix==14){
|
|
if(suffix_length)
|
|
level_code= (prefix<<suffix_length) + get_bits(gb, suffix_length); //part
|
|
else
|
|
level_code= prefix + get_bits(gb, 4); //part
|
|
}else if(prefix==15){
|
|
level_code= (prefix<<suffix_length) + get_bits(gb, 12); //part
|
|
if(suffix_length==0) level_code+=15; //FIXME doesn't make (much)sense
|
|
}else{
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "prefix too large at %d %d\n", s->mb_x, s->mb_y);
|
|
return -1;
|
|
}
|
|
|
|
if(i==trailing_ones && i<3) level_code+= 2; //FIXME split first iteration
|
|
|
|
mask= -(level_code&1);
|
|
level[i]= (((2+level_code)>>1) ^ mask) - mask;
|
|
|
|
if(suffix_length==0) suffix_length=1; //FIXME split first iteration
|
|
|
|
#if 1
|
|
if(ABS(level[i]) > (3<<(suffix_length-1)) && suffix_length<6) suffix_length++;
|
|
#else
|
|
if((2+level_code)>>1) > (3<<(suffix_length-1)) && suffix_length<6) suffix_length++;
|
|
/* ? == prefix > 2 or sth */
|
|
#endif
|
|
tprintf("level: %d suffix_length:%d\n", level[i], suffix_length);
|
|
}
|
|
|
|
if(total_coeff == max_coeff)
|
|
zeros_left=0;
|
|
else{
|
|
if(n == CHROMA_DC_BLOCK_INDEX)
|
|
zeros_left= get_vlc2(gb, chroma_dc_total_zeros_vlc[ total_coeff-1 ].table, CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 1);
|
|
else
|
|
zeros_left= get_vlc2(gb, total_zeros_vlc[ total_coeff-1 ].table, TOTAL_ZEROS_VLC_BITS, 1);
|
|
}
|
|
|
|
for(i=0; i<total_coeff-1; i++){
|
|
if(zeros_left <=0)
|
|
break;
|
|
else if(zeros_left < 7){
|
|
run[i]= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1);
|
|
}else{
|
|
run[i]= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
|
|
}
|
|
zeros_left -= run[i];
|
|
}
|
|
|
|
if(zeros_left<0){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "negative number of zero coeffs at %d %d\n", s->mb_x, s->mb_y);
|
|
return -1;
|
|
}
|
|
|
|
for(; i<total_coeff-1; i++){
|
|
run[i]= 0;
|
|
}
|
|
|
|
run[i]= zeros_left;
|
|
|
|
coeff_num=-1;
|
|
if(n > 24){
|
|
for(i=total_coeff-1; i>=0; i--){ //FIXME merge into rundecode?
|
|
int j;
|
|
|
|
coeff_num += run[i] + 1; //FIXME add 1 earlier ?
|
|
j= scantable[ coeff_num ];
|
|
|
|
block[j]= level[i];
|
|
}
|
|
}else{
|
|
for(i=total_coeff-1; i>=0; i--){ //FIXME merge into rundecode?
|
|
int j;
|
|
|
|
coeff_num += run[i] + 1; //FIXME add 1 earlier ?
|
|
j= scantable[ coeff_num ];
|
|
|
|
block[j]= level[i] * qmul[j];
|
|
// printf("%d %d ", block[j], qmul[j]);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* decodes a P_SKIP or B_SKIP macroblock
|
|
*/
|
|
static void decode_mb_skip(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
|
|
int mb_type=0;
|
|
|
|
memset(h->non_zero_count[mb_xy], 0, 16);
|
|
memset(h->non_zero_count_cache + 8, 0, 8*5); //FIXME ugly, remove pfui
|
|
|
|
if(h->mb_aff_frame && s->mb_skip_run==0 && (s->mb_y&1)==0){
|
|
h->mb_field_decoding_flag= get_bits1(&s->gb);
|
|
}
|
|
if(h->mb_field_decoding_flag)
|
|
mb_type|= MB_TYPE_INTERLACED;
|
|
|
|
if( h->slice_type == B_TYPE )
|
|
{
|
|
// just for fill_caches. pred_direct_motion will set the real mb_type
|
|
mb_type|= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_SKIP;
|
|
|
|
fill_caches(h, mb_type, 0); //FIXME check what is needed and what not ...
|
|
pred_direct_motion(h, &mb_type);
|
|
if(h->pps.cabac){
|
|
fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4);
|
|
fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int mx, my;
|
|
mb_type|= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_SKIP;
|
|
|
|
fill_caches(h, mb_type, 0); //FIXME check what is needed and what not ...
|
|
pred_pskip_motion(h, &mx, &my);
|
|
fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
|
|
fill_rectangle( h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mx,my), 4);
|
|
if(h->pps.cabac)
|
|
fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4);
|
|
}
|
|
|
|
write_back_motion(h, mb_type);
|
|
s->current_picture.mb_type[mb_xy]= mb_type|MB_TYPE_SKIP;
|
|
s->current_picture.qscale_table[mb_xy]= s->qscale;
|
|
h->slice_table[ mb_xy ]= h->slice_num;
|
|
h->prev_mb_skipped= 1;
|
|
}
|
|
|
|
/**
|
|
* decodes a macroblock
|
|
* @returns 0 if ok, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
|
|
*/
|
|
static int decode_mb_cavlc(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
|
|
int mb_type, partition_count, cbp;
|
|
int dct8x8_allowed= h->pps.transform_8x8_mode;
|
|
|
|
s->dsp.clear_blocks(h->mb); //FIXME avoid if already clear (move after skip handlong?
|
|
|
|
tprintf("pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
|
|
cbp = 0; /* avoid warning. FIXME: find a solution without slowing
|
|
down the code */
|
|
if(h->slice_type != I_TYPE && h->slice_type != SI_TYPE){
|
|
if(s->mb_skip_run==-1)
|
|
s->mb_skip_run= get_ue_golomb(&s->gb);
|
|
|
|
if (s->mb_skip_run--) {
|
|
decode_mb_skip(h);
|
|
return 0;
|
|
}
|
|
}
|
|
if(h->mb_aff_frame){
|
|
if ( ((s->mb_y&1) == 0) || h->prev_mb_skipped)
|
|
h->mb_field_decoding_flag = get_bits1(&s->gb);
|
|
}else
|
|
h->mb_field_decoding_flag= (s->picture_structure!=PICT_FRAME);
|
|
|
|
h->prev_mb_skipped= 0;
|
|
|
|
mb_type= get_ue_golomb(&s->gb);
|
|
if(h->slice_type == B_TYPE){
|
|
if(mb_type < 23){
|
|
partition_count= b_mb_type_info[mb_type].partition_count;
|
|
mb_type= b_mb_type_info[mb_type].type;
|
|
}else{
|
|
mb_type -= 23;
|
|
goto decode_intra_mb;
|
|
}
|
|
}else if(h->slice_type == P_TYPE /*|| h->slice_type == SP_TYPE */){
|
|
if(mb_type < 5){
|
|
partition_count= p_mb_type_info[mb_type].partition_count;
|
|
mb_type= p_mb_type_info[mb_type].type;
|
|
}else{
|
|
mb_type -= 5;
|
|
goto decode_intra_mb;
|
|
}
|
|
}else{
|
|
assert(h->slice_type == I_TYPE);
|
|
decode_intra_mb:
|
|
if(mb_type > 25){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "mb_type %d in %c slice to large at %d %d\n", mb_type, av_get_pict_type_char(h->slice_type), s->mb_x, s->mb_y);
|
|
return -1;
|
|
}
|
|
partition_count=0;
|
|
cbp= i_mb_type_info[mb_type].cbp;
|
|
h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
|
|
mb_type= i_mb_type_info[mb_type].type;
|
|
}
|
|
|
|
if(h->mb_field_decoding_flag)
|
|
mb_type |= MB_TYPE_INTERLACED;
|
|
|
|
h->slice_table[ mb_xy ]= h->slice_num;
|
|
|
|
if(IS_INTRA_PCM(mb_type)){
|
|
unsigned int x, y;
|
|
|
|
// we assume these blocks are very rare so we dont optimize it
|
|
align_get_bits(&s->gb);
|
|
|
|
// The pixels are stored in the same order as levels in h->mb array.
|
|
for(y=0; y<16; y++){
|
|
const int index= 4*(y&3) + 32*((y>>2)&1) + 128*(y>>3);
|
|
for(x=0; x<16; x++){
|
|
tprintf("LUMA ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
|
|
h->mb[index + (x&3) + 16*((x>>2)&1) + 64*(x>>3)]= get_bits(&s->gb, 8);
|
|
}
|
|
}
|
|
for(y=0; y<8; y++){
|
|
const int index= 256 + 4*(y&3) + 32*(y>>2);
|
|
for(x=0; x<8; x++){
|
|
tprintf("CHROMA U ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
|
|
h->mb[index + (x&3) + 16*(x>>2)]= get_bits(&s->gb, 8);
|
|
}
|
|
}
|
|
for(y=0; y<8; y++){
|
|
const int index= 256 + 64 + 4*(y&3) + 32*(y>>2);
|
|
for(x=0; x<8; x++){
|
|
tprintf("CHROMA V ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
|
|
h->mb[index + (x&3) + 16*(x>>2)]= get_bits(&s->gb, 8);
|
|
}
|
|
}
|
|
|
|
// In deblocking, the quantizer is 0
|
|
s->current_picture.qscale_table[mb_xy]= 0;
|
|
h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, 0);
|
|
// All coeffs are present
|
|
memset(h->non_zero_count[mb_xy], 16, 16);
|
|
|
|
s->current_picture.mb_type[mb_xy]= mb_type;
|
|
return 0;
|
|
}
|
|
|
|
fill_caches(h, mb_type, 0);
|
|
|
|
//mb_pred
|
|
if(IS_INTRA(mb_type)){
|
|
// init_top_left_availability(h);
|
|
if(IS_INTRA4x4(mb_type)){
|
|
int i;
|
|
int di = 1;
|
|
if(dct8x8_allowed && get_bits1(&s->gb)){
|
|
mb_type |= MB_TYPE_8x8DCT;
|
|
di = 4;
|
|
}
|
|
|
|
// fill_intra4x4_pred_table(h);
|
|
for(i=0; i<16; i+=di){
|
|
const int mode_coded= !get_bits1(&s->gb);
|
|
const int predicted_mode= pred_intra_mode(h, i);
|
|
int mode;
|
|
|
|
if(mode_coded){
|
|
const int rem_mode= get_bits(&s->gb, 3);
|
|
if(rem_mode<predicted_mode)
|
|
mode= rem_mode;
|
|
else
|
|
mode= rem_mode + 1;
|
|
}else{
|
|
mode= predicted_mode;
|
|
}
|
|
|
|
if(di==4)
|
|
fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
|
|
else
|
|
h->intra4x4_pred_mode_cache[ scan8[i] ] = mode;
|
|
}
|
|
write_back_intra_pred_mode(h);
|
|
if( check_intra4x4_pred_mode(h) < 0)
|
|
return -1;
|
|
}else{
|
|
h->intra16x16_pred_mode= check_intra_pred_mode(h, h->intra16x16_pred_mode);
|
|
if(h->intra16x16_pred_mode < 0)
|
|
return -1;
|
|
}
|
|
h->chroma_pred_mode= get_ue_golomb(&s->gb);
|
|
|
|
h->chroma_pred_mode= check_intra_pred_mode(h, h->chroma_pred_mode);
|
|
if(h->chroma_pred_mode < 0)
|
|
return -1;
|
|
}else if(partition_count==4){
|
|
int i, j, sub_partition_count[4], list, ref[2][4];
|
|
|
|
if(h->slice_type == B_TYPE){
|
|
for(i=0; i<4; i++){
|
|
h->sub_mb_type[i]= get_ue_golomb(&s->gb);
|
|
if(h->sub_mb_type[i] >=13){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "B sub_mb_type %d out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
|
|
return -1;
|
|
}
|
|
sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
|
|
h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
|
|
}
|
|
if( IS_DIRECT(h->sub_mb_type[0]) || IS_DIRECT(h->sub_mb_type[1])
|
|
|| IS_DIRECT(h->sub_mb_type[2]) || IS_DIRECT(h->sub_mb_type[3]))
|
|
pred_direct_motion(h, &mb_type);
|
|
}else{
|
|
assert(h->slice_type == P_TYPE || h->slice_type == SP_TYPE); //FIXME SP correct ?
|
|
for(i=0; i<4; i++){
|
|
h->sub_mb_type[i]= get_ue_golomb(&s->gb);
|
|
if(h->sub_mb_type[i] >=4){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "P sub_mb_type %d out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
|
|
return -1;
|
|
}
|
|
sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
|
|
h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
|
|
}
|
|
}
|
|
|
|
for(list=0; list<2; list++){
|
|
int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list];
|
|
if(ref_count == 0) continue;
|
|
if (h->mb_aff_frame && h->mb_field_decoding_flag) {
|
|
ref_count <<= 1;
|
|
}
|
|
for(i=0; i<4; i++){
|
|
if(IS_DIRECT(h->sub_mb_type[i])) continue;
|
|
if(IS_DIR(h->sub_mb_type[i], 0, list)){
|
|
ref[list][i] = get_te0_golomb(&s->gb, ref_count); //FIXME init to 0 before and skip?
|
|
}else{
|
|
//FIXME
|
|
ref[list][i] = -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(dct8x8_allowed)
|
|
dct8x8_allowed = get_dct8x8_allowed(h);
|
|
|
|
for(list=0; list<2; list++){
|
|
const int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list];
|
|
if(ref_count == 0) continue;
|
|
|
|
for(i=0; i<4; i++){
|
|
if(IS_DIRECT(h->sub_mb_type[i])) continue;
|
|
h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ]=
|
|
h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
|
|
|
|
if(IS_DIR(h->sub_mb_type[i], 0, list)){
|
|
const int sub_mb_type= h->sub_mb_type[i];
|
|
const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
|
|
for(j=0; j<sub_partition_count[i]; j++){
|
|
int mx, my;
|
|
const int index= 4*i + block_width*j;
|
|
int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
|
|
pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
|
|
mx += get_se_golomb(&s->gb);
|
|
my += get_se_golomb(&s->gb);
|
|
tprintf("final mv:%d %d\n", mx, my);
|
|
|
|
if(IS_SUB_8X8(sub_mb_type)){
|
|
mv_cache[ 0 ][0]= mv_cache[ 1 ][0]=
|
|
mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
|
|
mv_cache[ 0 ][1]= mv_cache[ 1 ][1]=
|
|
mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
|
|
}else if(IS_SUB_8X4(sub_mb_type)){
|
|
mv_cache[ 0 ][0]= mv_cache[ 1 ][0]= mx;
|
|
mv_cache[ 0 ][1]= mv_cache[ 1 ][1]= my;
|
|
}else if(IS_SUB_4X8(sub_mb_type)){
|
|
mv_cache[ 0 ][0]= mv_cache[ 8 ][0]= mx;
|
|
mv_cache[ 0 ][1]= mv_cache[ 8 ][1]= my;
|
|
}else{
|
|
assert(IS_SUB_4X4(sub_mb_type));
|
|
mv_cache[ 0 ][0]= mx;
|
|
mv_cache[ 0 ][1]= my;
|
|
}
|
|
}
|
|
}else{
|
|
uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
|
|
p[0] = p[1]=
|
|
p[8] = p[9]= 0;
|
|
}
|
|
}
|
|
}
|
|
}else if(IS_DIRECT(mb_type)){
|
|
pred_direct_motion(h, &mb_type);
|
|
dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
|
|
}else{
|
|
int list, mx, my, i;
|
|
//FIXME we should set ref_idx_l? to 0 if we use that later ...
|
|
if(IS_16X16(mb_type)){
|
|
for(list=0; list<2; list++){
|
|
if(h->ref_count[list]>0){
|
|
if(IS_DIR(mb_type, 0, list)){
|
|
const int val= get_te0_golomb(&s->gb, h->ref_count[list]);
|
|
fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, val, 1);
|
|
}else
|
|
fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (LIST_NOT_USED&0xFF), 1);
|
|
}
|
|
}
|
|
for(list=0; list<2; list++){
|
|
if(IS_DIR(mb_type, 0, list)){
|
|
pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
|
|
mx += get_se_golomb(&s->gb);
|
|
my += get_se_golomb(&s->gb);
|
|
tprintf("final mv:%d %d\n", mx, my);
|
|
|
|
fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
|
|
}else
|
|
fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4);
|
|
}
|
|
}
|
|
else if(IS_16X8(mb_type)){
|
|
for(list=0; list<2; list++){
|
|
if(h->ref_count[list]>0){
|
|
for(i=0; i<2; i++){
|
|
if(IS_DIR(mb_type, i, list)){
|
|
const int val= get_te0_golomb(&s->gb, h->ref_count[list]);
|
|
fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 1);
|
|
}else
|
|
fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
|
|
}
|
|
}
|
|
}
|
|
for(list=0; list<2; list++){
|
|
for(i=0; i<2; i++){
|
|
if(IS_DIR(mb_type, i, list)){
|
|
pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
|
|
mx += get_se_golomb(&s->gb);
|
|
my += get_se_golomb(&s->gb);
|
|
tprintf("final mv:%d %d\n", mx, my);
|
|
|
|
fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
|
|
}else
|
|
fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
|
|
}
|
|
}
|
|
}else{
|
|
assert(IS_8X16(mb_type));
|
|
for(list=0; list<2; list++){
|
|
if(h->ref_count[list]>0){
|
|
for(i=0; i<2; i++){
|
|
if(IS_DIR(mb_type, i, list)){ //FIXME optimize
|
|
const int val= get_te0_golomb(&s->gb, h->ref_count[list]);
|
|
fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 1);
|
|
}else
|
|
fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
|
|
}
|
|
}
|
|
}
|
|
for(list=0; list<2; list++){
|
|
for(i=0; i<2; i++){
|
|
if(IS_DIR(mb_type, i, list)){
|
|
pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
|
|
mx += get_se_golomb(&s->gb);
|
|
my += get_se_golomb(&s->gb);
|
|
tprintf("final mv:%d %d\n", mx, my);
|
|
|
|
fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
|
|
}else
|
|
fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(IS_INTER(mb_type))
|
|
write_back_motion(h, mb_type);
|
|
|
|
if(!IS_INTRA16x16(mb_type)){
|
|
cbp= get_ue_golomb(&s->gb);
|
|
if(cbp > 47){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "cbp too large (%d) at %d %d\n", cbp, s->mb_x, s->mb_y);
|
|
return -1;
|
|
}
|
|
|
|
if(IS_INTRA4x4(mb_type))
|
|
cbp= golomb_to_intra4x4_cbp[cbp];
|
|
else
|
|
cbp= golomb_to_inter_cbp[cbp];
|
|
}
|
|
|
|
if(dct8x8_allowed && (cbp&15) && !IS_INTRA(mb_type)){
|
|
if(get_bits1(&s->gb))
|
|
mb_type |= MB_TYPE_8x8DCT;
|
|
}
|
|
s->current_picture.mb_type[mb_xy]= mb_type;
|
|
|
|
if(cbp || IS_INTRA16x16(mb_type)){
|
|
int i8x8, i4x4, chroma_idx;
|
|
int chroma_qp, dquant;
|
|
GetBitContext *gb= IS_INTRA(mb_type) ? h->intra_gb_ptr : h->inter_gb_ptr;
|
|
const uint8_t *scan, *dc_scan;
|
|
|
|
// fill_non_zero_count_cache(h);
|
|
|
|
if(IS_INTERLACED(mb_type)){
|
|
scan= h->field_scan;
|
|
dc_scan= luma_dc_field_scan;
|
|
}else{
|
|
scan= h->zigzag_scan;
|
|
dc_scan= luma_dc_zigzag_scan;
|
|
}
|
|
|
|
dquant= get_se_golomb(&s->gb);
|
|
|
|
if( dquant > 25 || dquant < -26 ){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "dquant out of range (%d) at %d %d\n", dquant, s->mb_x, s->mb_y);
|
|
return -1;
|
|
}
|
|
|
|
s->qscale += dquant;
|
|
if(((unsigned)s->qscale) > 51){
|
|
if(s->qscale<0) s->qscale+= 52;
|
|
else s->qscale-= 52;
|
|
}
|
|
|
|
h->chroma_qp= chroma_qp= get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
|
|
if(IS_INTRA16x16(mb_type)){
|
|
if( decode_residual(h, h->intra_gb_ptr, h->mb, LUMA_DC_BLOCK_INDEX, dc_scan, dequant_coeff[s->qscale], 16) < 0){
|
|
return -1; //FIXME continue if partitioned and other return -1 too
|
|
}
|
|
|
|
assert((cbp&15) == 0 || (cbp&15) == 15);
|
|
|
|
if(cbp&15){
|
|
for(i8x8=0; i8x8<4; i8x8++){
|
|
for(i4x4=0; i4x4<4; i4x4++){
|
|
const int index= i4x4 + 4*i8x8;
|
|
if( decode_residual(h, h->intra_gb_ptr, h->mb + 16*index, index, scan + 1, dequant_coeff[s->qscale], 15) < 0 ){
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
}else{
|
|
fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
|
|
}
|
|
}else{
|
|
for(i8x8=0; i8x8<4; i8x8++){
|
|
if(cbp & (1<<i8x8)){
|
|
if(IS_8x8DCT(mb_type)){
|
|
DCTELEM *buf = &h->mb[64*i8x8];
|
|
uint8_t *nnz;
|
|
for(i4x4=0; i4x4<4; i4x4++){
|
|
if( decode_residual(h, gb, buf, i4x4+4*i8x8, zigzag_scan8x8_cavlc+16*i4x4,
|
|
h->dequant8_coeff[s->qscale], 16) <0 )
|
|
return -1;
|
|
}
|
|
if(s->qscale < 12){
|
|
int i;
|
|
for(i=0; i<64; i++)
|
|
buf[i] = (buf[i] + 2) >> 2;
|
|
}
|
|
nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
|
|
nnz[0] |= nnz[1] | nnz[8] | nnz[9];
|
|
}else{
|
|
for(i4x4=0; i4x4<4; i4x4++){
|
|
const int index= i4x4 + 4*i8x8;
|
|
|
|
if( decode_residual(h, gb, h->mb + 16*index, index, scan, dequant_coeff[s->qscale], 16) <0 ){
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
}else{
|
|
uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
|
|
nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(cbp&0x30){
|
|
for(chroma_idx=0; chroma_idx<2; chroma_idx++)
|
|
if( decode_residual(h, gb, h->mb + 256 + 16*4*chroma_idx, CHROMA_DC_BLOCK_INDEX, chroma_dc_scan, dequant_coeff[chroma_qp], 4) < 0){
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if(cbp&0x20){
|
|
for(chroma_idx=0; chroma_idx<2; chroma_idx++){
|
|
for(i4x4=0; i4x4<4; i4x4++){
|
|
const int index= 16 + 4*chroma_idx + i4x4;
|
|
if( decode_residual(h, gb, h->mb + 16*index, index, scan + 1, dequant_coeff[chroma_qp], 15) < 0){
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
}else{
|
|
uint8_t * const nnz= &h->non_zero_count_cache[0];
|
|
nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
|
|
nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
|
|
}
|
|
}else{
|
|
uint8_t * const nnz= &h->non_zero_count_cache[0];
|
|
fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
|
|
nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
|
|
nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
|
|
}
|
|
s->current_picture.qscale_table[mb_xy]= s->qscale;
|
|
write_back_non_zero_count(h);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int decode_cabac_field_decoding_flag(H264Context *h) {
|
|
MpegEncContext * const s = &h->s;
|
|
const int mb_x = s->mb_x;
|
|
const int mb_y = s->mb_y & ~1;
|
|
const int mba_xy = mb_x - 1 + mb_y *s->mb_stride;
|
|
const int mbb_xy = mb_x + (mb_y-2)*s->mb_stride;
|
|
|
|
unsigned int ctx = 0;
|
|
|
|
if( h->slice_table[mba_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) ) {
|
|
ctx += 1;
|
|
}
|
|
if( h->slice_table[mbb_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) ) {
|
|
ctx += 1;
|
|
}
|
|
|
|
return get_cabac( &h->cabac, &h->cabac_state[70 + ctx] );
|
|
}
|
|
|
|
static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {
|
|
uint8_t *state= &h->cabac_state[ctx_base];
|
|
int mb_type;
|
|
|
|
if(intra_slice){
|
|
MpegEncContext * const s = &h->s;
|
|
const int mba_xy = h->left_mb_xy[0];
|
|
const int mbb_xy = h->top_mb_xy;
|
|
int ctx=0;
|
|
if( h->slice_table[mba_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mba_xy] ) )
|
|
ctx++;
|
|
if( h->slice_table[mbb_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mbb_xy] ) )
|
|
ctx++;
|
|
if( get_cabac( &h->cabac, &state[ctx] ) == 0 )
|
|
return 0; /* I4x4 */
|
|
state += 2;
|
|
}else{
|
|
if( get_cabac( &h->cabac, &state[0] ) == 0 )
|
|
return 0; /* I4x4 */
|
|
}
|
|
|
|
if( get_cabac_terminate( &h->cabac ) )
|
|
return 25; /* PCM */
|
|
|
|
mb_type = 1; /* I16x16 */
|
|
if( get_cabac( &h->cabac, &state[1] ) )
|
|
mb_type += 12; /* cbp_luma != 0 */
|
|
|
|
if( get_cabac( &h->cabac, &state[2] ) ) {
|
|
if( get_cabac( &h->cabac, &state[2+intra_slice] ) )
|
|
mb_type += 4 * 2; /* cbp_chroma == 2 */
|
|
else
|
|
mb_type += 4 * 1; /* cbp_chroma == 1 */
|
|
}
|
|
if( get_cabac( &h->cabac, &state[3+intra_slice] ) )
|
|
mb_type += 2;
|
|
if( get_cabac( &h->cabac, &state[3+2*intra_slice] ) )
|
|
mb_type += 1;
|
|
return mb_type;
|
|
}
|
|
|
|
static int decode_cabac_mb_type( H264Context *h ) {
|
|
MpegEncContext * const s = &h->s;
|
|
|
|
if( h->slice_type == I_TYPE ) {
|
|
return decode_cabac_intra_mb_type(h, 3, 1);
|
|
} else if( h->slice_type == P_TYPE ) {
|
|
if( get_cabac( &h->cabac, &h->cabac_state[14] ) == 0 ) {
|
|
/* P-type */
|
|
if( get_cabac( &h->cabac, &h->cabac_state[15] ) == 0 ) {
|
|
if( get_cabac( &h->cabac, &h->cabac_state[16] ) == 0 )
|
|
return 0; /* P_L0_D16x16; */
|
|
else
|
|
return 3; /* P_8x8; */
|
|
} else {
|
|
if( get_cabac( &h->cabac, &h->cabac_state[17] ) == 0 )
|
|
return 2; /* P_L0_D8x16; */
|
|
else
|
|
return 1; /* P_L0_D16x8; */
|
|
}
|
|
} else {
|
|
return decode_cabac_intra_mb_type(h, 17, 0) + 5;
|
|
}
|
|
} else if( h->slice_type == B_TYPE ) {
|
|
const int mba_xy = h->left_mb_xy[0];
|
|
const int mbb_xy = h->top_mb_xy;
|
|
int ctx = 0;
|
|
int bits;
|
|
|
|
if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mba_xy] )
|
|
&& !IS_DIRECT( s->current_picture.mb_type[mba_xy] ) )
|
|
ctx++;
|
|
if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mbb_xy] )
|
|
&& !IS_DIRECT( s->current_picture.mb_type[mbb_xy] ) )
|
|
ctx++;
|
|
|
|
if( !get_cabac( &h->cabac, &h->cabac_state[27+ctx] ) )
|
|
return 0; /* B_Direct_16x16 */
|
|
|
|
if( !get_cabac( &h->cabac, &h->cabac_state[27+3] ) ) {
|
|
return 1 + get_cabac( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
|
|
}
|
|
|
|
bits = get_cabac( &h->cabac, &h->cabac_state[27+4] ) << 3;
|
|
bits|= get_cabac( &h->cabac, &h->cabac_state[27+5] ) << 2;
|
|
bits|= get_cabac( &h->cabac, &h->cabac_state[27+5] ) << 1;
|
|
bits|= get_cabac( &h->cabac, &h->cabac_state[27+5] );
|
|
if( bits < 8 )
|
|
return bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
|
|
else if( bits == 13 ) {
|
|
return decode_cabac_intra_mb_type(h, 32, 0) + 23;
|
|
} else if( bits == 14 )
|
|
return 11; /* B_L1_L0_8x16 */
|
|
else if( bits == 15 )
|
|
return 22; /* B_8x8 */
|
|
|
|
bits= ( bits<<1 ) | get_cabac( &h->cabac, &h->cabac_state[27+5] );
|
|
return bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
|
|
} else {
|
|
/* TODO SI/SP frames? */
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
static int decode_cabac_mb_skip( H264Context *h) {
|
|
MpegEncContext * const s = &h->s;
|
|
const int mb_xy = s->mb_x + s->mb_y*s->mb_stride;
|
|
const int mba_xy = mb_xy - 1;
|
|
const int mbb_xy = mb_xy - s->mb_stride;
|
|
int ctx = 0;
|
|
|
|
if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mba_xy] ))
|
|
ctx++;
|
|
if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mbb_xy] ))
|
|
ctx++;
|
|
|
|
if( h->slice_type == P_TYPE || h->slice_type == SP_TYPE)
|
|
return get_cabac( &h->cabac, &h->cabac_state[11+ctx] );
|
|
else /* B-frame */
|
|
return get_cabac( &h->cabac, &h->cabac_state[24+ctx] );
|
|
}
|
|
|
|
static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {
|
|
int mode = 0;
|
|
|
|
if( get_cabac( &h->cabac, &h->cabac_state[68] ) )
|
|
return pred_mode;
|
|
|
|
if( get_cabac( &h->cabac, &h->cabac_state[69] ) )
|
|
mode += 1;
|
|
if( get_cabac( &h->cabac, &h->cabac_state[69] ) )
|
|
mode += 2;
|
|
if( get_cabac( &h->cabac, &h->cabac_state[69] ) )
|
|
mode += 4;
|
|
if( mode >= pred_mode )
|
|
return mode + 1;
|
|
else
|
|
return mode;
|
|
}
|
|
|
|
static int decode_cabac_mb_chroma_pre_mode( H264Context *h) {
|
|
const int mba_xy = h->left_mb_xy[0];
|
|
const int mbb_xy = h->top_mb_xy;
|
|
|
|
int ctx = 0;
|
|
|
|
/* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
|
|
if( h->slice_table[mba_xy] == h->slice_num && h->chroma_pred_mode_table[mba_xy] != 0 )
|
|
ctx++;
|
|
|
|
if( h->slice_table[mbb_xy] == h->slice_num && h->chroma_pred_mode_table[mbb_xy] != 0 )
|
|
ctx++;
|
|
|
|
if( get_cabac( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )
|
|
return 0;
|
|
|
|
if( get_cabac( &h->cabac, &h->cabac_state[64+3] ) == 0 )
|
|
return 1;
|
|
if( get_cabac( &h->cabac, &h->cabac_state[64+3] ) == 0 )
|
|
return 2;
|
|
else
|
|
return 3;
|
|
}
|
|
|
|
static const uint8_t block_idx_x[16] = {
|
|
0, 1, 0, 1, 2, 3, 2, 3, 0, 1, 0, 1, 2, 3, 2, 3
|
|
};
|
|
static const uint8_t block_idx_y[16] = {
|
|
0, 0, 1, 1, 0, 0, 1, 1, 2, 2, 3, 3, 2, 2, 3, 3
|
|
};
|
|
static const uint8_t block_idx_xy[4][4] = {
|
|
{ 0, 2, 8, 10},
|
|
{ 1, 3, 9, 11},
|
|
{ 4, 6, 12, 14},
|
|
{ 5, 7, 13, 15}
|
|
};
|
|
|
|
static int decode_cabac_mb_cbp_luma( H264Context *h) {
|
|
MpegEncContext * const s = &h->s;
|
|
|
|
int cbp = 0;
|
|
int i8x8;
|
|
|
|
for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
|
|
int cbp_a = -1;
|
|
int cbp_b = -1;
|
|
int x, y;
|
|
int ctx = 0;
|
|
|
|
x = block_idx_x[4*i8x8];
|
|
y = block_idx_y[4*i8x8];
|
|
|
|
if( x > 0 )
|
|
cbp_a = cbp;
|
|
else if( s->mb_x > 0 && (h->slice_table[h->left_mb_xy[0]] == h->slice_num)) {
|
|
cbp_a = h->left_cbp;
|
|
tprintf("cbp_a = left_cbp = %x\n", cbp_a);
|
|
}
|
|
|
|
if( y > 0 )
|
|
cbp_b = cbp;
|
|
else if( s->mb_y > 0 && (h->slice_table[h->top_mb_xy] == h->slice_num)) {
|
|
cbp_b = h->top_cbp;
|
|
tprintf("cbp_b = top_cbp = %x\n", cbp_b);
|
|
}
|
|
|
|
/* No need to test for skip as we put 0 for skip block */
|
|
/* No need to test for IPCM as we put 1 for IPCM block */
|
|
if( cbp_a >= 0 ) {
|
|
int i8x8a = block_idx_xy[(x-1)&0x03][y]/4;
|
|
if( ((cbp_a >> i8x8a)&0x01) == 0 )
|
|
ctx++;
|
|
}
|
|
|
|
if( cbp_b >= 0 ) {
|
|
int i8x8b = block_idx_xy[x][(y-1)&0x03]/4;
|
|
if( ((cbp_b >> i8x8b)&0x01) == 0 )
|
|
ctx += 2;
|
|
}
|
|
|
|
if( get_cabac( &h->cabac, &h->cabac_state[73 + ctx] ) ) {
|
|
cbp |= 1 << i8x8;
|
|
}
|
|
}
|
|
return cbp;
|
|
}
|
|
static int decode_cabac_mb_cbp_chroma( H264Context *h) {
|
|
int ctx;
|
|
int cbp_a, cbp_b;
|
|
|
|
cbp_a = (h->left_cbp>>4)&0x03;
|
|
cbp_b = (h-> top_cbp>>4)&0x03;
|
|
|
|
ctx = 0;
|
|
if( cbp_a > 0 ) ctx++;
|
|
if( cbp_b > 0 ) ctx += 2;
|
|
if( get_cabac( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )
|
|
return 0;
|
|
|
|
ctx = 4;
|
|
if( cbp_a == 2 ) ctx++;
|
|
if( cbp_b == 2 ) ctx += 2;
|
|
return 1 + get_cabac( &h->cabac, &h->cabac_state[77 + ctx] );
|
|
}
|
|
static int decode_cabac_mb_dqp( H264Context *h) {
|
|
MpegEncContext * const s = &h->s;
|
|
int mbn_xy;
|
|
int ctx = 0;
|
|
int val = 0;
|
|
|
|
if( s->mb_x > 0 )
|
|
mbn_xy = s->mb_x + s->mb_y*s->mb_stride - 1;
|
|
else
|
|
mbn_xy = s->mb_width - 1 + (s->mb_y-1)*s->mb_stride;
|
|
|
|
if( h->last_qscale_diff != 0 && ( IS_INTRA16x16(s->current_picture.mb_type[mbn_xy] ) || (h->cbp_table[mbn_xy]&0x3f) ) )
|
|
ctx++;
|
|
|
|
while( get_cabac( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
|
|
if( ctx < 2 )
|
|
ctx = 2;
|
|
else
|
|
ctx = 3;
|
|
val++;
|
|
}
|
|
|
|
if( val&0x01 )
|
|
return (val + 1)/2;
|
|
else
|
|
return -(val + 1)/2;
|
|
}
|
|
static int decode_cabac_p_mb_sub_type( H264Context *h ) {
|
|
if( get_cabac( &h->cabac, &h->cabac_state[21] ) )
|
|
return 0; /* 8x8 */
|
|
if( !get_cabac( &h->cabac, &h->cabac_state[22] ) )
|
|
return 1; /* 8x4 */
|
|
if( get_cabac( &h->cabac, &h->cabac_state[23] ) )
|
|
return 2; /* 4x8 */
|
|
return 3; /* 4x4 */
|
|
}
|
|
static int decode_cabac_b_mb_sub_type( H264Context *h ) {
|
|
int type;
|
|
if( !get_cabac( &h->cabac, &h->cabac_state[36] ) )
|
|
return 0; /* B_Direct_8x8 */
|
|
if( !get_cabac( &h->cabac, &h->cabac_state[37] ) )
|
|
return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
|
|
type = 3;
|
|
if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) {
|
|
if( get_cabac( &h->cabac, &h->cabac_state[39] ) )
|
|
return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
|
|
type += 4;
|
|
}
|
|
type += 2*get_cabac( &h->cabac, &h->cabac_state[39] );
|
|
type += get_cabac( &h->cabac, &h->cabac_state[39] );
|
|
return type;
|
|
}
|
|
|
|
static inline int decode_cabac_mb_transform_size( H264Context *h ) {
|
|
return get_cabac( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
|
|
}
|
|
|
|
static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {
|
|
int refa = h->ref_cache[list][scan8[n] - 1];
|
|
int refb = h->ref_cache[list][scan8[n] - 8];
|
|
int ref = 0;
|
|
int ctx = 0;
|
|
|
|
if( h->slice_type == B_TYPE) {
|
|
if( refa > 0 && !h->direct_cache[scan8[n] - 1] )
|
|
ctx++;
|
|
if( refb > 0 && !h->direct_cache[scan8[n] - 8] )
|
|
ctx += 2;
|
|
} else {
|
|
if( refa > 0 )
|
|
ctx++;
|
|
if( refb > 0 )
|
|
ctx += 2;
|
|
}
|
|
|
|
while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) {
|
|
ref++;
|
|
if( ctx < 4 )
|
|
ctx = 4;
|
|
else
|
|
ctx = 5;
|
|
}
|
|
return ref;
|
|
}
|
|
|
|
static int decode_cabac_mb_mvd( H264Context *h, int list, int n, int l ) {
|
|
int amvd = abs( h->mvd_cache[list][scan8[n] - 1][l] ) +
|
|
abs( h->mvd_cache[list][scan8[n] - 8][l] );
|
|
int ctxbase = (l == 0) ? 40 : 47;
|
|
int ctx, mvd;
|
|
|
|
if( amvd < 3 )
|
|
ctx = 0;
|
|
else if( amvd > 32 )
|
|
ctx = 2;
|
|
else
|
|
ctx = 1;
|
|
|
|
if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+ctx]))
|
|
return 0;
|
|
|
|
mvd= 1;
|
|
ctx= 3;
|
|
while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase+ctx] ) ) {
|
|
mvd++;
|
|
if( ctx < 6 )
|
|
ctx++;
|
|
}
|
|
|
|
if( mvd >= 9 ) {
|
|
int k = 3;
|
|
while( get_cabac_bypass( &h->cabac ) ) {
|
|
mvd += 1 << k;
|
|
k++;
|
|
}
|
|
while( k-- ) {
|
|
if( get_cabac_bypass( &h->cabac ) )
|
|
mvd += 1 << k;
|
|
}
|
|
}
|
|
if( get_cabac_bypass( &h->cabac ) ) return -mvd;
|
|
else return mvd;
|
|
}
|
|
|
|
static int inline get_cabac_cbf_ctx( H264Context *h, int cat, int idx ) {
|
|
int nza, nzb;
|
|
int ctx = 0;
|
|
|
|
if( cat == 0 ) {
|
|
nza = h->left_cbp&0x100;
|
|
nzb = h-> top_cbp&0x100;
|
|
} else if( cat == 1 || cat == 2 ) {
|
|
nza = h->non_zero_count_cache[scan8[idx] - 1];
|
|
nzb = h->non_zero_count_cache[scan8[idx] - 8];
|
|
} else if( cat == 3 ) {
|
|
nza = (h->left_cbp>>(6+idx))&0x01;
|
|
nzb = (h-> top_cbp>>(6+idx))&0x01;
|
|
} else {
|
|
assert(cat == 4);
|
|
nza = h->non_zero_count_cache[scan8[16+idx] - 1];
|
|
nzb = h->non_zero_count_cache[scan8[16+idx] - 8];
|
|
}
|
|
|
|
if( nza > 0 )
|
|
ctx++;
|
|
|
|
if( nzb > 0 )
|
|
ctx += 2;
|
|
|
|
return ctx + 4 * cat;
|
|
}
|
|
|
|
static int inline decode_cabac_residual( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint16_t *qmul, int max_coeff) {
|
|
const int mb_xy = h->s.mb_x + h->s.mb_y*h->s.mb_stride;
|
|
static const int significant_coeff_flag_field_offset[2] = { 105, 277 };
|
|
static const int last_significant_coeff_flag_field_offset[2] = { 166, 338 };
|
|
static const int significant_coeff_flag_offset[6] = { 0, 15, 29, 44, 47, 297 };
|
|
static const int last_significant_coeff_flag_offset[6] = { 0, 15, 29, 44, 47, 251 };
|
|
static const int coeff_abs_level_m1_offset[6] = { 227+0, 227+10, 227+20, 227+30, 227+39, 426 };
|
|
static const int identity[15] = {
|
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
|
|
};
|
|
static const int significant_coeff_flag_offset_8x8[63] = {
|
|
0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
|
|
4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
|
|
7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
|
|
12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12
|
|
};
|
|
static const int last_coeff_flag_offset_8x8[63] = {
|
|
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
|
|
5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8
|
|
};
|
|
|
|
int index[64];
|
|
|
|
int i, last;
|
|
int coeff_count = 0;
|
|
|
|
int abslevel1 = 1;
|
|
int abslevelgt1 = 0;
|
|
|
|
const int* significant_coeff_ctx_offset;
|
|
const int* last_coeff_ctx_offset;
|
|
const int significant_coeff_ctx_base = significant_coeff_flag_offset[cat]
|
|
+ significant_coeff_flag_field_offset[h->mb_field_decoding_flag];
|
|
const int last_coeff_ctx_base = last_significant_coeff_flag_offset[cat]
|
|
+ last_significant_coeff_flag_field_offset[h->mb_field_decoding_flag];
|
|
|
|
/* cat: 0-> DC 16x16 n = 0
|
|
* 1-> AC 16x16 n = luma4x4idx
|
|
* 2-> Luma4x4 n = luma4x4idx
|
|
* 3-> DC Chroma n = iCbCr
|
|
* 4-> AC Chroma n = 4 * iCbCr + chroma4x4idx
|
|
* 5-> Luma8x8 n = 4 * luma8x8idx
|
|
*/
|
|
|
|
/* read coded block flag */
|
|
if( cat == 5 ) {
|
|
significant_coeff_ctx_offset = significant_coeff_flag_offset_8x8;
|
|
last_coeff_ctx_offset = last_coeff_flag_offset_8x8;
|
|
} else {
|
|
if( get_cabac( &h->cabac, &h->cabac_state[85 + get_cabac_cbf_ctx( h, cat, n ) ] ) == 0 ) {
|
|
if( cat == 1 || cat == 2 )
|
|
h->non_zero_count_cache[scan8[n]] = 0;
|
|
else if( cat == 4 )
|
|
h->non_zero_count_cache[scan8[16+n]] = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
significant_coeff_ctx_offset =
|
|
last_coeff_ctx_offset = identity;
|
|
}
|
|
|
|
for(last= 0; last < max_coeff - 1; last++) {
|
|
int sig_ctx = significant_coeff_ctx_base + significant_coeff_ctx_offset[last];
|
|
if( get_cabac( &h->cabac, &h->cabac_state[sig_ctx] )) {
|
|
int last_ctx = last_coeff_ctx_base + last_coeff_ctx_offset[last];
|
|
index[coeff_count++] = last;
|
|
if( get_cabac( &h->cabac, &h->cabac_state[last_ctx] ) ) {
|
|
last= max_coeff;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if( last == max_coeff -1 ) {
|
|
index[coeff_count++] = last;
|
|
}
|
|
assert(coeff_count > 0);
|
|
|
|
if( cat == 0 )
|
|
h->cbp_table[mb_xy] |= 0x100;
|
|
else if( cat == 1 || cat == 2 )
|
|
h->non_zero_count_cache[scan8[n]] = coeff_count;
|
|
else if( cat == 3 )
|
|
h->cbp_table[mb_xy] |= 0x40 << n;
|
|
else if( cat == 4 )
|
|
h->non_zero_count_cache[scan8[16+n]] = coeff_count;
|
|
else {
|
|
assert( cat == 5 );
|
|
fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, 1, 1);
|
|
}
|
|
|
|
for( i = coeff_count - 1; i >= 0; i-- ) {
|
|
int ctx = (abslevelgt1 != 0 ? 0 : FFMIN( 4, abslevel1 )) + coeff_abs_level_m1_offset[cat];
|
|
int j= scantable[index[i]];
|
|
|
|
if( get_cabac( &h->cabac, &h->cabac_state[ctx] ) == 0 ) {
|
|
if( cat == 0 || cat == 3 ) {
|
|
if( get_cabac_bypass( &h->cabac ) ) block[j] = -1;
|
|
else block[j] = 1;
|
|
}else{
|
|
if( get_cabac_bypass( &h->cabac ) ) block[j] = -qmul[j];
|
|
else block[j] = qmul[j];
|
|
}
|
|
|
|
abslevel1++;
|
|
} else {
|
|
int coeff_abs = 2;
|
|
ctx = 5 + FFMIN( 4, abslevelgt1 ) + coeff_abs_level_m1_offset[cat];
|
|
while( coeff_abs < 15 && get_cabac( &h->cabac, &h->cabac_state[ctx] ) ) {
|
|
coeff_abs++;
|
|
}
|
|
|
|
if( coeff_abs >= 15 ) {
|
|
int j = 0;
|
|
while( get_cabac_bypass( &h->cabac ) ) {
|
|
coeff_abs += 1 << j;
|
|
j++;
|
|
}
|
|
|
|
while( j-- ) {
|
|
if( get_cabac_bypass( &h->cabac ) )
|
|
coeff_abs += 1 << j ;
|
|
}
|
|
}
|
|
|
|
if( cat == 0 || cat == 3 ) {
|
|
if( get_cabac_bypass( &h->cabac ) ) block[j] = -coeff_abs;
|
|
else block[j] = coeff_abs;
|
|
}else{
|
|
if( get_cabac_bypass( &h->cabac ) ) block[j] = -coeff_abs * qmul[j];
|
|
else block[j] = coeff_abs * qmul[j];
|
|
}
|
|
|
|
abslevelgt1++;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void inline compute_mb_neighboors(H264Context *h)
|
|
{
|
|
MpegEncContext * const s = &h->s;
|
|
const int mb_xy = s->mb_x + s->mb_y*s->mb_stride;
|
|
h->top_mb_xy = mb_xy - s->mb_stride;
|
|
h->left_mb_xy[0] = mb_xy - 1;
|
|
if(h->mb_aff_frame){
|
|
const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride;
|
|
const int top_pair_xy = pair_xy - s->mb_stride;
|
|
const int top_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
|
|
const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
|
|
const int curr_mb_frame_flag = !h->mb_field_decoding_flag;
|
|
const int bottom = (s->mb_y & 1);
|
|
if (bottom
|
|
? !curr_mb_frame_flag // bottom macroblock
|
|
: (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock
|
|
) {
|
|
h->top_mb_xy -= s->mb_stride;
|
|
}
|
|
if (left_mb_frame_flag != curr_mb_frame_flag) {
|
|
h->left_mb_xy[0] = pair_xy - 1;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* decodes a macroblock
|
|
* @returns 0 if ok, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
|
|
*/
|
|
static int decode_mb_cabac(H264Context *h) {
|
|
MpegEncContext * const s = &h->s;
|
|
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
|
|
int mb_type, partition_count, cbp = 0;
|
|
int dct8x8_allowed= h->pps.transform_8x8_mode;
|
|
|
|
s->dsp.clear_blocks(h->mb); //FIXME avoid if already clear (move after skip handlong?)
|
|
|
|
tprintf("pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
|
|
if( h->slice_type != I_TYPE && h->slice_type != SI_TYPE ) {
|
|
/* read skip flags */
|
|
if( decode_cabac_mb_skip( h ) ) {
|
|
decode_mb_skip(h);
|
|
|
|
h->cbp_table[mb_xy] = 0;
|
|
h->chroma_pred_mode_table[mb_xy] = 0;
|
|
h->last_qscale_diff = 0;
|
|
|
|
return 0;
|
|
|
|
}
|
|
}
|
|
if(h->mb_aff_frame){
|
|
if ( ((s->mb_y&1) == 0) || h->prev_mb_skipped)
|
|
h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
|
|
}else
|
|
h->mb_field_decoding_flag= (s->picture_structure!=PICT_FRAME);
|
|
|
|
h->prev_mb_skipped = 0;
|
|
|
|
compute_mb_neighboors(h);
|
|
if( ( mb_type = decode_cabac_mb_type( h ) ) < 0 ) {
|
|
av_log( h->s.avctx, AV_LOG_ERROR, "decode_cabac_mb_type failed\n" );
|
|
return -1;
|
|
}
|
|
|
|
if( h->slice_type == B_TYPE ) {
|
|
if( mb_type < 23 ){
|
|
partition_count= b_mb_type_info[mb_type].partition_count;
|
|
mb_type= b_mb_type_info[mb_type].type;
|
|
}else{
|
|
mb_type -= 23;
|
|
goto decode_intra_mb;
|
|
}
|
|
} else if( h->slice_type == P_TYPE ) {
|
|
if( mb_type < 5) {
|
|
partition_count= p_mb_type_info[mb_type].partition_count;
|
|
mb_type= p_mb_type_info[mb_type].type;
|
|
} else {
|
|
mb_type -= 5;
|
|
goto decode_intra_mb;
|
|
}
|
|
} else {
|
|
assert(h->slice_type == I_TYPE);
|
|
decode_intra_mb:
|
|
partition_count = 0;
|
|
cbp= i_mb_type_info[mb_type].cbp;
|
|
h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
|
|
mb_type= i_mb_type_info[mb_type].type;
|
|
}
|
|
if(h->mb_field_decoding_flag)
|
|
mb_type |= MB_TYPE_INTERLACED;
|
|
|
|
h->slice_table[ mb_xy ]= h->slice_num;
|
|
|
|
if(IS_INTRA_PCM(mb_type)) {
|
|
const uint8_t *ptr;
|
|
unsigned int x, y;
|
|
|
|
// We assume these blocks are very rare so we dont optimize it.
|
|
// FIXME The two following lines get the bitstream position in the cabac
|
|
// decode, I think it should be done by a function in cabac.h (or cabac.c).
|
|
ptr= h->cabac.bytestream;
|
|
if (h->cabac.low&0x1) ptr-=CABAC_BITS/8;
|
|
|
|
// The pixels are stored in the same order as levels in h->mb array.
|
|
for(y=0; y<16; y++){
|
|
const int index= 4*(y&3) + 32*((y>>2)&1) + 128*(y>>3);
|
|
for(x=0; x<16; x++){
|
|
tprintf("LUMA ICPM LEVEL (%3d)\n", *ptr);
|
|
h->mb[index + (x&3) + 16*((x>>2)&1) + 64*(x>>3)]= *ptr++;
|
|
}
|
|
}
|
|
for(y=0; y<8; y++){
|
|
const int index= 256 + 4*(y&3) + 32*(y>>2);
|
|
for(x=0; x<8; x++){
|
|
tprintf("CHROMA U ICPM LEVEL (%3d)\n", *ptr);
|
|
h->mb[index + (x&3) + 16*(x>>2)]= *ptr++;
|
|
}
|
|
}
|
|
for(y=0; y<8; y++){
|
|
const int index= 256 + 64 + 4*(y&3) + 32*(y>>2);
|
|
for(x=0; x<8; x++){
|
|
tprintf("CHROMA V ICPM LEVEL (%3d)\n", *ptr);
|
|
h->mb[index + (x&3) + 16*(x>>2)]= *ptr++;
|
|
}
|
|
}
|
|
|
|
ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
|
|
|
|
// All blocks are present
|
|
h->cbp_table[mb_xy] = 0x1ef;
|
|
h->chroma_pred_mode_table[mb_xy] = 0;
|
|
// In deblocking, the quantizer is 0
|
|
s->current_picture.qscale_table[mb_xy]= 0;
|
|
h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, 0);
|
|
// All coeffs are present
|
|
memset(h->non_zero_count[mb_xy], 16, 16);
|
|
s->current_picture.mb_type[mb_xy]= mb_type;
|
|
return 0;
|
|
}
|
|
|
|
fill_caches(h, mb_type, 0);
|
|
|
|
if( IS_INTRA( mb_type ) ) {
|
|
int i;
|
|
if( IS_INTRA4x4( mb_type ) ) {
|
|
if( dct8x8_allowed && decode_cabac_mb_transform_size( h ) ) {
|
|
mb_type |= MB_TYPE_8x8DCT;
|
|
for( i = 0; i < 16; i+=4 ) {
|
|
int pred = pred_intra_mode( h, i );
|
|
int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
|
|
fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
|
|
}
|
|
} else {
|
|
for( i = 0; i < 16; i++ ) {
|
|
int pred = pred_intra_mode( h, i );
|
|
h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
|
|
|
|
//av_log( s->avctx, AV_LOG_ERROR, "i4x4 pred=%d mode=%d\n", pred, h->intra4x4_pred_mode_cache[ scan8[i] ] );
|
|
}
|
|
}
|
|
write_back_intra_pred_mode(h);
|
|
if( check_intra4x4_pred_mode(h) < 0 ) return -1;
|
|
} else {
|
|
h->intra16x16_pred_mode= check_intra_pred_mode( h, h->intra16x16_pred_mode );
|
|
if( h->intra16x16_pred_mode < 0 ) return -1;
|
|
}
|
|
h->chroma_pred_mode_table[mb_xy] =
|
|
h->chroma_pred_mode = decode_cabac_mb_chroma_pre_mode( h );
|
|
|
|
h->chroma_pred_mode= check_intra_pred_mode( h, h->chroma_pred_mode );
|
|
if( h->chroma_pred_mode < 0 ) return -1;
|
|
} else if( partition_count == 4 ) {
|
|
int i, j, sub_partition_count[4], list, ref[2][4];
|
|
|
|
if( h->slice_type == B_TYPE ) {
|
|
for( i = 0; i < 4; i++ ) {
|
|
h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
|
|
sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
|
|
h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
|
|
}
|
|
if( IS_DIRECT(h->sub_mb_type[0]) || IS_DIRECT(h->sub_mb_type[1])
|
|
|| IS_DIRECT(h->sub_mb_type[2]) || IS_DIRECT(h->sub_mb_type[3])) {
|
|
pred_direct_motion(h, &mb_type);
|
|
if( h->ref_count[0] > 1 || h->ref_count[1] > 1 ) {
|
|
for( i = 0; i < 4; i++ )
|
|
if( IS_DIRECT(h->sub_mb_type[i]) )
|
|
fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, 1, 1 );
|
|
}
|
|
}
|
|
} else {
|
|
for( i = 0; i < 4; i++ ) {
|
|
h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
|
|
sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
|
|
h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
|
|
}
|
|
}
|
|
|
|
for( list = 0; list < 2; list++ ) {
|
|
if( h->ref_count[list] > 0 ) {
|
|
for( i = 0; i < 4; i++ ) {
|
|
if(IS_DIRECT(h->sub_mb_type[i])) continue;
|
|
if(IS_DIR(h->sub_mb_type[i], 0, list)){
|
|
if( h->ref_count[list] > 1 )
|
|
ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
|
|
else
|
|
ref[list][i] = 0;
|
|
} else {
|
|
ref[list][i] = -1;
|
|
}
|
|
h->ref_cache[list][ scan8[4*i]+1 ]=
|
|
h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
|
|
}
|
|
}
|
|
}
|
|
|
|
if(dct8x8_allowed)
|
|
dct8x8_allowed = get_dct8x8_allowed(h);
|
|
|
|
for(list=0; list<2; list++){
|
|
for(i=0; i<4; i++){
|
|
if(IS_DIRECT(h->sub_mb_type[i])){
|
|
fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 4);
|
|
continue;
|
|
}
|
|
h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];
|
|
|
|
if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
|
|
const int sub_mb_type= h->sub_mb_type[i];
|
|
const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
|
|
for(j=0; j<sub_partition_count[i]; j++){
|
|
int mpx, mpy;
|
|
int mx, my;
|
|
const int index= 4*i + block_width*j;
|
|
int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
|
|
int16_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
|
|
pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mpx, &mpy);
|
|
|
|
mx = mpx + decode_cabac_mb_mvd( h, list, index, 0 );
|
|
my = mpy + decode_cabac_mb_mvd( h, list, index, 1 );
|
|
tprintf("final mv:%d %d\n", mx, my);
|
|
|
|
if(IS_SUB_8X8(sub_mb_type)){
|
|
mv_cache[ 0 ][0]= mv_cache[ 1 ][0]=
|
|
mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
|
|
mv_cache[ 0 ][1]= mv_cache[ 1 ][1]=
|
|
mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
|
|
|
|
mvd_cache[ 0 ][0]= mvd_cache[ 1 ][0]=
|
|
mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mx - mpx;
|
|
mvd_cache[ 0 ][1]= mvd_cache[ 1 ][1]=
|
|
mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= my - mpy;
|
|
}else if(IS_SUB_8X4(sub_mb_type)){
|
|
mv_cache[ 0 ][0]= mv_cache[ 1 ][0]= mx;
|
|
mv_cache[ 0 ][1]= mv_cache[ 1 ][1]= my;
|
|
|
|
mvd_cache[ 0 ][0]= mvd_cache[ 1 ][0]= mx- mpx;
|
|
mvd_cache[ 0 ][1]= mvd_cache[ 1 ][1]= my - mpy;
|
|
}else if(IS_SUB_4X8(sub_mb_type)){
|
|
mv_cache[ 0 ][0]= mv_cache[ 8 ][0]= mx;
|
|
mv_cache[ 0 ][1]= mv_cache[ 8 ][1]= my;
|
|
|
|
mvd_cache[ 0 ][0]= mvd_cache[ 8 ][0]= mx - mpx;
|
|
mvd_cache[ 0 ][1]= mvd_cache[ 8 ][1]= my - mpy;
|
|
}else{
|
|
assert(IS_SUB_4X4(sub_mb_type));
|
|
mv_cache[ 0 ][0]= mx;
|
|
mv_cache[ 0 ][1]= my;
|
|
|
|
mvd_cache[ 0 ][0]= mx - mpx;
|
|
mvd_cache[ 0 ][1]= my - mpy;
|
|
}
|
|
}
|
|
}else{
|
|
uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
|
|
uint32_t *pd= (uint32_t *)&h->mvd_cache[list][ scan8[4*i] ][0];
|
|
p[0] = p[1] = p[8] = p[9] = 0;
|
|
pd[0]= pd[1]= pd[8]= pd[9]= 0;
|
|
}
|
|
}
|
|
}
|
|
} else if( IS_DIRECT(mb_type) ) {
|
|
pred_direct_motion(h, &mb_type);
|
|
fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4);
|
|
fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4);
|
|
dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
|
|
} else {
|
|
int list, mx, my, i, mpx, mpy;
|
|
if(IS_16X16(mb_type)){
|
|
for(list=0; list<2; list++){
|
|
if(IS_DIR(mb_type, 0, list)){
|
|
if(h->ref_count[list] > 0 ){
|
|
const int ref = h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 0 ) : 0;
|
|
fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
|
|
}
|
|
}else
|
|
fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1);
|
|
}
|
|
for(list=0; list<2; list++){
|
|
if(IS_DIR(mb_type, 0, list)){
|
|
pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mpx, &mpy);
|
|
|
|
mx = mpx + decode_cabac_mb_mvd( h, list, 0, 0 );
|
|
my = mpy + decode_cabac_mb_mvd( h, list, 0, 1 );
|
|
tprintf("final mv:%d %d\n", mx, my);
|
|
|
|
fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
|
|
fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
|
|
}else
|
|
fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4);
|
|
}
|
|
}
|
|
else if(IS_16X8(mb_type)){
|
|
for(list=0; list<2; list++){
|
|
if(h->ref_count[list]>0){
|
|
for(i=0; i<2; i++){
|
|
if(IS_DIR(mb_type, i, list)){
|
|
const int ref= h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 8*i ) : 0;
|
|
fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
|
|
}else
|
|
fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
|
|
}
|
|
}
|
|
}
|
|
for(list=0; list<2; list++){
|
|
for(i=0; i<2; i++){
|
|
if(IS_DIR(mb_type, i, list)){
|
|
pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mpx, &mpy);
|
|
mx = mpx + decode_cabac_mb_mvd( h, list, 8*i, 0 );
|
|
my = mpy + decode_cabac_mb_mvd( h, list, 8*i, 1 );
|
|
tprintf("final mv:%d %d\n", mx, my);
|
|
|
|
fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx-mpx,my-mpy), 4);
|
|
fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
|
|
}else{
|
|
fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
|
|
fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
|
|
}
|
|
}
|
|
}
|
|
}else{
|
|
assert(IS_8X16(mb_type));
|
|
for(list=0; list<2; list++){
|
|
if(h->ref_count[list]>0){
|
|
for(i=0; i<2; i++){
|
|
if(IS_DIR(mb_type, i, list)){ //FIXME optimize
|
|
const int ref= h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 4*i ) : 0;
|
|
fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
|
|
}else
|
|
fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
|
|
}
|
|
}
|
|
}
|
|
for(list=0; list<2; list++){
|
|
for(i=0; i<2; i++){
|
|
if(IS_DIR(mb_type, i, list)){
|
|
pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mpx, &mpy);
|
|
mx = mpx + decode_cabac_mb_mvd( h, list, 4*i, 0 );
|
|
my = mpy + decode_cabac_mb_mvd( h, list, 4*i, 1 );
|
|
|
|
tprintf("final mv:%d %d\n", mx, my);
|
|
fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
|
|
fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
|
|
}else{
|
|
fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
|
|
fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if( IS_INTER( mb_type ) ) {
|
|
h->chroma_pred_mode_table[mb_xy] = 0;
|
|
write_back_motion( h, mb_type );
|
|
}
|
|
|
|
if( !IS_INTRA16x16( mb_type ) ) {
|
|
cbp = decode_cabac_mb_cbp_luma( h );
|
|
cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
|
|
}
|
|
|
|
h->cbp_table[mb_xy] = cbp;
|
|
|
|
if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
|
|
if( decode_cabac_mb_transform_size( h ) )
|
|
mb_type |= MB_TYPE_8x8DCT;
|
|
}
|
|
s->current_picture.mb_type[mb_xy]= mb_type;
|
|
|
|
if( cbp || IS_INTRA16x16( mb_type ) ) {
|
|
const uint8_t *scan, *dc_scan;
|
|
int dqp;
|
|
|
|
if(IS_INTERLACED(mb_type)){
|
|
scan= h->field_scan;
|
|
dc_scan= luma_dc_field_scan;
|
|
}else{
|
|
scan= h->zigzag_scan;
|
|
dc_scan= luma_dc_zigzag_scan;
|
|
}
|
|
|
|
h->last_qscale_diff = dqp = decode_cabac_mb_dqp( h );
|
|
s->qscale += dqp;
|
|
if(((unsigned)s->qscale) > 51){
|
|
if(s->qscale<0) s->qscale+= 52;
|
|
else s->qscale-= 52;
|
|
}
|
|
h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
|
|
|
|
if( IS_INTRA16x16( mb_type ) ) {
|
|
int i;
|
|
//av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 DC\n" );
|
|
if( decode_cabac_residual( h, h->mb, 0, 0, dc_scan, dequant_coeff[s->qscale], 16) < 0)
|
|
return -1;
|
|
if( cbp&15 ) {
|
|
for( i = 0; i < 16; i++ ) {
|
|
//av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 AC:%d\n", i );
|
|
if( decode_cabac_residual(h, h->mb + 16*i, 1, i, scan + 1, dequant_coeff[s->qscale], 15) < 0 )
|
|
return -1;
|
|
}
|
|
} else {
|
|
fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
|
|
}
|
|
} else {
|
|
int i8x8, i4x4;
|
|
for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
|
|
if( cbp & (1<<i8x8) ) {
|
|
if( IS_8x8DCT(mb_type) ) {
|
|
if( decode_cabac_residual(h, h->mb + 64*i8x8, 5, 4*i8x8,
|
|
zigzag_scan8x8, h->dequant8_coeff[s->qscale], 64) < 0 )
|
|
return -1;
|
|
if(s->qscale < 12){
|
|
int i;
|
|
for(i=0; i<64; i++)
|
|
h->mb[64*i8x8+i] = (h->mb[64*i8x8+i] + 2) >> 2;
|
|
}
|
|
} else
|
|
for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
|
|
const int index = 4*i8x8 + i4x4;
|
|
//av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index );
|
|
if( decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, dequant_coeff[s->qscale], 16) < 0 )
|
|
return -1;
|
|
}
|
|
} else {
|
|
uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
|
|
nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if( cbp&0x30 ){
|
|
int c;
|
|
for( c = 0; c < 2; c++ ) {
|
|
//av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c );
|
|
if( decode_cabac_residual(h, h->mb + 256 + 16*4*c, 3, c, chroma_dc_scan, dequant_coeff[h->chroma_qp], 4) < 0)
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if( cbp&0x20 ) {
|
|
int c, i;
|
|
for( c = 0; c < 2; c++ ) {
|
|
for( i = 0; i < 4; i++ ) {
|
|
const int index = 16 + 4 * c + i;
|
|
//av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16 );
|
|
if( decode_cabac_residual(h, h->mb + 16*index, 4, index - 16, scan + 1, dequant_coeff[h->chroma_qp], 15) < 0)
|
|
return -1;
|
|
}
|
|
}
|
|
} else {
|
|
uint8_t * const nnz= &h->non_zero_count_cache[0];
|
|
nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
|
|
nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
|
|
}
|
|
} else {
|
|
uint8_t * const nnz= &h->non_zero_count_cache[0];
|
|
fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
|
|
nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
|
|
nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
|
|
}
|
|
|
|
s->current_picture.qscale_table[mb_xy]= s->qscale;
|
|
write_back_non_zero_count(h);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void filter_mb_edgev( H264Context *h, uint8_t *pix, int stride, int bS[4], int qp ) {
|
|
int i, d;
|
|
const int index_a = clip( qp + h->slice_alpha_c0_offset, 0, 51 );
|
|
const int alpha = alpha_table[index_a];
|
|
const int beta = beta_table[clip( qp + h->slice_beta_offset, 0, 51 )];
|
|
|
|
if( bS[0] < 4 ) {
|
|
int8_t tc[4];
|
|
for(i=0; i<4; i++)
|
|
tc[i] = bS[i] ? tc0_table[index_a][bS[i] - 1] : -1;
|
|
h->s.dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
|
|
} else {
|
|
/* 16px edge length, because bS=4 is triggered by being at
|
|
* the edge of an intra MB, so all 4 bS are the same */
|
|
for( d = 0; d < 16; d++ ) {
|
|
const int p0 = pix[-1];
|
|
const int p1 = pix[-2];
|
|
const int p2 = pix[-3];
|
|
|
|
const int q0 = pix[0];
|
|
const int q1 = pix[1];
|
|
const int q2 = pix[2];
|
|
|
|
if( ABS( p0 - q0 ) < alpha &&
|
|
ABS( p1 - p0 ) < beta &&
|
|
ABS( q1 - q0 ) < beta ) {
|
|
|
|
if(ABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
|
|
if( ABS( p2 - p0 ) < beta)
|
|
{
|
|
const int p3 = pix[-4];
|
|
/* p0', p1', p2' */
|
|
pix[-1] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
|
|
pix[-2] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
|
|
pix[-3] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
|
|
} else {
|
|
/* p0' */
|
|
pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
|
|
}
|
|
if( ABS( q2 - q0 ) < beta)
|
|
{
|
|
const int q3 = pix[3];
|
|
/* q0', q1', q2' */
|
|
pix[0] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
|
|
pix[1] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
|
|
pix[2] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
|
|
} else {
|
|
/* q0' */
|
|
pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
|
|
}
|
|
}else{
|
|
/* p0', q0' */
|
|
pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
|
|
pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
|
|
}
|
|
tprintf("filter_mb_edgev i:%d d:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, d, p2, p1, p0, q0, q1, q2, pix[-2], pix[-1], pix[0], pix[1]);
|
|
}
|
|
pix += stride;
|
|
}
|
|
}
|
|
}
|
|
static void filter_mb_edgecv( H264Context *h, uint8_t *pix, int stride, int bS[4], int qp ) {
|
|
int i, d;
|
|
const int index_a = clip( qp + h->slice_alpha_c0_offset, 0, 51 );
|
|
const int alpha = alpha_table[index_a];
|
|
const int beta = beta_table[clip( qp + h->slice_beta_offset, 0, 51 )];
|
|
|
|
if( bS[0] < 4 ) {
|
|
int8_t tc[4];
|
|
for(i=0; i<4; i++)
|
|
tc[i] = bS[i] ? tc0_table[index_a][bS[i] - 1] + 1 : 0;
|
|
h->s.dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);
|
|
} else {
|
|
h->s.dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);
|
|
}
|
|
}
|
|
|
|
static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int bS[8], int qp[2] ) {
|
|
int i;
|
|
for( i = 0; i < 16; i++, pix += stride) {
|
|
int index_a;
|
|
int alpha;
|
|
int beta;
|
|
|
|
int qp_index;
|
|
int bS_index = (i >> 1);
|
|
if (h->mb_field_decoding_flag) {
|
|
bS_index &= ~1;
|
|
bS_index |= (i & 1);
|
|
}
|
|
|
|
if( bS[bS_index] == 0 ) {
|
|
continue;
|
|
}
|
|
|
|
qp_index = h->mb_field_decoding_flag ? (i & 1) : (i >> 3);
|
|
index_a = clip( qp[qp_index] + h->slice_alpha_c0_offset, 0, 51 );
|
|
alpha = alpha_table[index_a];
|
|
beta = beta_table[clip( qp[qp_index] + h->slice_beta_offset, 0, 51 )];
|
|
|
|
|
|
if( bS[bS_index] < 4 ) {
|
|
const int tc0 = tc0_table[index_a][bS[bS_index] - 1];
|
|
/* 4px edge length */
|
|
const int p0 = pix[-1];
|
|
const int p1 = pix[-2];
|
|
const int p2 = pix[-3];
|
|
const int q0 = pix[0];
|
|
const int q1 = pix[1];
|
|
const int q2 = pix[2];
|
|
|
|
if( ABS( p0 - q0 ) < alpha &&
|
|
ABS( p1 - p0 ) < beta &&
|
|
ABS( q1 - q0 ) < beta ) {
|
|
int tc = tc0;
|
|
int i_delta;
|
|
|
|
if( ABS( p2 - p0 ) < beta ) {
|
|
pix[-2] = p1 + clip( ( p2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( p1 << 1 ) ) >> 1, -tc0, tc0 );
|
|
tc++;
|
|
}
|
|
if( ABS( q2 - q0 ) < beta ) {
|
|
pix[1] = q1 + clip( ( q2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( q1 << 1 ) ) >> 1, -tc0, tc0 );
|
|
tc++;
|
|
}
|
|
|
|
i_delta = clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
|
|
pix[-1] = clip_uint8( p0 + i_delta ); /* p0' */
|
|
pix[0] = clip_uint8( q0 - i_delta ); /* q0' */
|
|
tprintf("filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
|
|
}
|
|
}else{
|
|
/* 4px edge length */
|
|
const int p0 = pix[-1];
|
|
const int p1 = pix[-2];
|
|
const int p2 = pix[-3];
|
|
|
|
const int q0 = pix[0];
|
|
const int q1 = pix[1];
|
|
const int q2 = pix[2];
|
|
|
|
if( ABS( p0 - q0 ) < alpha &&
|
|
ABS( p1 - p0 ) < beta &&
|
|
ABS( q1 - q0 ) < beta ) {
|
|
|
|
if(ABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
|
|
if( ABS( p2 - p0 ) < beta)
|
|
{
|
|
const int p3 = pix[-4];
|
|
/* p0', p1', p2' */
|
|
pix[-1] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
|
|
pix[-2] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
|
|
pix[-3] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
|
|
} else {
|
|
/* p0' */
|
|
pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
|
|
}
|
|
if( ABS( q2 - q0 ) < beta)
|
|
{
|
|
const int q3 = pix[3];
|
|
/* q0', q1', q2' */
|
|
pix[0] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
|
|
pix[1] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
|
|
pix[2] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
|
|
} else {
|
|
/* q0' */
|
|
pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
|
|
}
|
|
}else{
|
|
/* p0', q0' */
|
|
pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
|
|
pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
|
|
}
|
|
tprintf("filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, p2, p1, p0, q0, q1, q2, pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, int bS[4], int qp[2] ) {
|
|
int i;
|
|
for( i = 0; i < 8; i++, pix += stride) {
|
|
int index_a;
|
|
int alpha;
|
|
int beta;
|
|
|
|
int qp_index;
|
|
int bS_index = i;
|
|
|
|
if( bS[bS_index] == 0 ) {
|
|
continue;
|
|
}
|
|
|
|
qp_index = h->mb_field_decoding_flag ? (i & 1) : (i >> 3);
|
|
index_a = clip( qp[qp_index] + h->slice_alpha_c0_offset, 0, 51 );
|
|
alpha = alpha_table[index_a];
|
|
beta = beta_table[clip( qp[qp_index] + h->slice_beta_offset, 0, 51 )];
|
|
if( bS[bS_index] < 4 ) {
|
|
const int tc = tc0_table[index_a][bS[bS_index] - 1] + 1;
|
|
/* 2px edge length (because we use same bS than the one for luma) */
|
|
const int p0 = pix[-1];
|
|
const int p1 = pix[-2];
|
|
const int q0 = pix[0];
|
|
const int q1 = pix[1];
|
|
|
|
if( ABS( p0 - q0 ) < alpha &&
|
|
ABS( p1 - p0 ) < beta &&
|
|
ABS( q1 - q0 ) < beta ) {
|
|
const int i_delta = clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
|
|
|
|
pix[-1] = clip_uint8( p0 + i_delta ); /* p0' */
|
|
pix[0] = clip_uint8( q0 - i_delta ); /* q0' */
|
|
tprintf("filter_mb_mbaff_edgecv i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
|
|
}
|
|
}else{
|
|
const int p0 = pix[-1];
|
|
const int p1 = pix[-2];
|
|
const int q0 = pix[0];
|
|
const int q1 = pix[1];
|
|
|
|
if( ABS( p0 - q0 ) < alpha &&
|
|
ABS( p1 - p0 ) < beta &&
|
|
ABS( q1 - q0 ) < beta ) {
|
|
|
|
pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2; /* p0' */
|
|
pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2; /* q0' */
|
|
tprintf("filter_mb_mbaff_edgecv i:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, pix[-3], p1, p0, q0, q1, pix[2], pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void filter_mb_edgeh( H264Context *h, uint8_t *pix, int stride, int bS[4], int qp ) {
|
|
int i, d;
|
|
const int index_a = clip( qp + h->slice_alpha_c0_offset, 0, 51 );
|
|
const int alpha = alpha_table[index_a];
|
|
const int beta = beta_table[clip( qp + h->slice_beta_offset, 0, 51 )];
|
|
const int pix_next = stride;
|
|
|
|
if( bS[0] < 4 ) {
|
|
int8_t tc[4];
|
|
for(i=0; i<4; i++)
|
|
tc[i] = bS[i] ? tc0_table[index_a][bS[i] - 1] : -1;
|
|
h->s.dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);
|
|
} else {
|
|
/* 16px edge length, see filter_mb_edgev */
|
|
for( d = 0; d < 16; d++ ) {
|
|
const int p0 = pix[-1*pix_next];
|
|
const int p1 = pix[-2*pix_next];
|
|
const int p2 = pix[-3*pix_next];
|
|
const int q0 = pix[0];
|
|
const int q1 = pix[1*pix_next];
|
|
const int q2 = pix[2*pix_next];
|
|
|
|
if( ABS( p0 - q0 ) < alpha &&
|
|
ABS( p1 - p0 ) < beta &&
|
|
ABS( q1 - q0 ) < beta ) {
|
|
|
|
const int p3 = pix[-4*pix_next];
|
|
const int q3 = pix[ 3*pix_next];
|
|
|
|
if(ABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
|
|
if( ABS( p2 - p0 ) < beta) {
|
|
/* p0', p1', p2' */
|
|
pix[-1*pix_next] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
|
|
pix[-2*pix_next] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
|
|
pix[-3*pix_next] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
|
|
} else {
|
|
/* p0' */
|
|
pix[-1*pix_next] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
|
|
}
|
|
if( ABS( q2 - q0 ) < beta) {
|
|
/* q0', q1', q2' */
|
|
pix[0*pix_next] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
|
|
pix[1*pix_next] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
|
|
pix[2*pix_next] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
|
|
} else {
|
|
/* q0' */
|
|
pix[0*pix_next] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
|
|
}
|
|
}else{
|
|
/* p0', q0' */
|
|
pix[-1*pix_next] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
|
|
pix[ 0*pix_next] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
|
|
}
|
|
tprintf("filter_mb_edgeh i:%d d:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, d, qp, index_a, alpha, beta, bS[i], p2, p1, p0, q0, q1, q2, pix[-2*pix_next], pix[-pix_next], pix[0], pix[pix_next]);
|
|
}
|
|
pix++;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void filter_mb_edgech( H264Context *h, uint8_t *pix, int stride, int bS[4], int qp ) {
|
|
int i, d;
|
|
const int index_a = clip( qp + h->slice_alpha_c0_offset, 0, 51 );
|
|
const int alpha = alpha_table[index_a];
|
|
const int beta = beta_table[clip( qp + h->slice_beta_offset, 0, 51 )];
|
|
|
|
if( bS[0] < 4 ) {
|
|
int8_t tc[4];
|
|
for(i=0; i<4; i++)
|
|
tc[i] = bS[i] ? tc0_table[index_a][bS[i] - 1] + 1 : 0;
|
|
h->s.dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);
|
|
} else {
|
|
h->s.dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);
|
|
}
|
|
}
|
|
|
|
static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {
|
|
MpegEncContext * const s = &h->s;
|
|
const int mb_xy= mb_x + mb_y*s->mb_stride;
|
|
int first_vertical_edge_done = 0;
|
|
int dir;
|
|
/* FIXME: A given frame may occupy more than one position in
|
|
* the reference list. So ref2frm should be populated with
|
|
* frame numbers, not indices. */
|
|
static const int ref2frm[18] = {-1,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
|
|
|
|
if (h->mb_aff_frame
|
|
// left mb is in picture
|
|
&& h->slice_table[mb_xy-1] != 255
|
|
// and current and left pair do not have the same interlaced type
|
|
&& (IS_INTERLACED(s->current_picture.mb_type[mb_xy]) != IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]))
|
|
// and left mb is in the same slice if deblocking_filter == 2
|
|
&& (h->deblocking_filter!=2 || h->slice_table[mb_xy-1] == h->slice_table[mb_xy])) {
|
|
/* First vertical edge is different in MBAFF frames
|
|
* There are 8 different bS to compute and 2 different Qp
|
|
*/
|
|
int bS[8];
|
|
int qp[2];
|
|
int chroma_qp[2];
|
|
|
|
int i;
|
|
first_vertical_edge_done = 1;
|
|
for( i = 0; i < 8; i++ ) {
|
|
int y = i>>1;
|
|
int b_idx= 8 + 4 + 8*y;
|
|
int bn_idx= b_idx - 1;
|
|
|
|
int mbn_xy = h->mb_field_decoding_flag ? h->left_mb_xy[i>>2] : h->left_mb_xy[i&1];
|
|
|
|
if( IS_INTRA( s->current_picture.mb_type[mb_xy] ) ||
|
|
IS_INTRA( s->current_picture.mb_type[mbn_xy] ) ) {
|
|
bS[i] = 4;
|
|
} else if( h->non_zero_count_cache[b_idx] != 0 ||
|
|
/* FIXME: with 8x8dct + cavlc, should check cbp instead of nnz */
|
|
h->non_zero_count_cache[bn_idx] != 0 ) {
|
|
bS[i] = 2;
|
|
} else {
|
|
int l;
|
|
bS[i] = 0;
|
|
for( l = 0; l < 1 + (h->slice_type == B_TYPE); l++ ) {
|
|
if( ref2frm[h->ref_cache[l][b_idx]+2] != ref2frm[h->ref_cache[l][bn_idx]+2] ||
|
|
ABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
|
|
ABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= 4 ) {
|
|
bS[i] = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(bS[0]+bS[1]+bS[2]+bS[3] != 0) {
|
|
// Do not use s->qscale as luma quantizer because it has not the same
|
|
// value in IPCM macroblocks.
|
|
qp[0] = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[h->left_mb_xy[0]] + 1 ) >> 1;
|
|
chroma_qp[0] = ( get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mb_xy] ) +
|
|
get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[h->left_mb_xy[0]] ) + 1 ) >> 1;
|
|
qp[1] = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[h->left_mb_xy[1]] + 1 ) >> 1;
|
|
chroma_qp[1] = ( get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mb_xy] ) +
|
|
get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[h->left_mb_xy[1]] ) + 1 ) >> 1;
|
|
|
|
/* Filter edge */
|
|
tprintf("filter mb:%d/%d MBAFF, QPy:%d/%d, QPc:%d/%d ls:%d uvls:%d", mb_x, mb_y, qp[0], qp[1], chroma_qp[0], chroma_qp[1], linesize, uvlinesize);
|
|
{ int i; for (i = 0; i < 8; i++) tprintf(" bS[%d]:%d", i, bS[i]); tprintf("\n"); }
|
|
filter_mb_mbaff_edgev ( h, &img_y [0], linesize, bS, qp );
|
|
filter_mb_mbaff_edgecv( h, &img_cb[0], uvlinesize, bS, chroma_qp );
|
|
filter_mb_mbaff_edgecv( h, &img_cr[0], uvlinesize, bS, chroma_qp );
|
|
}
|
|
}
|
|
/* dir : 0 -> vertical edge, 1 -> horizontal edge */
|
|
for( dir = 0; dir < 2; dir++ )
|
|
{
|
|
int edge;
|
|
const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;
|
|
int start = h->slice_table[mbm_xy] == 255 ? 1 : 0;
|
|
|
|
if (first_vertical_edge_done) {
|
|
start = 1;
|
|
first_vertical_edge_done = 0;
|
|
}
|
|
|
|
if (h->deblocking_filter==2 && h->slice_table[mbm_xy] != h->slice_table[mb_xy])
|
|
start = 1;
|
|
|
|
/* Calculate bS */
|
|
for( edge = start; edge < 4; edge++ ) {
|
|
/* mbn_xy: neighbor macroblock */
|
|
int mbn_xy = edge > 0 ? mb_xy : mbm_xy;
|
|
int bS[4];
|
|
int qp;
|
|
|
|
if( (edge&1) && IS_8x8DCT(s->current_picture.mb_type[mb_xy]) )
|
|
continue;
|
|
|
|
if (h->mb_aff_frame && (dir == 1) && (edge == 0) && ((mb_y & 1) == 0)
|
|
&& !IS_INTERLACED(s->current_picture.mb_type[mb_xy])
|
|
&& IS_INTERLACED(s->current_picture.mb_type[mbn_xy])
|
|
) {
|
|
// This is a special case in the norm where the filtering must
|
|
// be done twice (one each of the field) even if we are in a
|
|
// frame macroblock.
|
|
//
|
|
unsigned int tmp_linesize = 2 * linesize;
|
|
unsigned int tmp_uvlinesize = 2 * uvlinesize;
|
|
int mbn_xy = mb_xy - 2 * s->mb_stride;
|
|
int qp, chroma_qp;
|
|
|
|
// first filtering
|
|
if( IS_INTRA( s->current_picture.mb_type[mb_xy] ) ||
|
|
IS_INTRA( s->current_picture.mb_type[mbn_xy] ) ) {
|
|
bS[0] = bS[1] = bS[2] = bS[3] = 3;
|
|
} else {
|
|
// TODO
|
|
assert(0);
|
|
}
|
|
/* Filter edge */
|
|
// Do not use s->qscale as luma quantizer because it has not the same
|
|
// value in IPCM macroblocks.
|
|
qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
|
|
tprintf("filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);
|
|
{ int i; for (i = 0; i < 4; i++) tprintf(" bS[%d]:%d", i, bS[i]); tprintf("\n"); }
|
|
filter_mb_edgeh( h, &img_y[0], tmp_linesize, bS, qp );
|
|
chroma_qp = ( h->chroma_qp +
|
|
get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
|
|
filter_mb_edgech( h, &img_cb[0], tmp_uvlinesize, bS, chroma_qp );
|
|
filter_mb_edgech( h, &img_cr[0], tmp_uvlinesize, bS, chroma_qp );
|
|
|
|
// second filtering
|
|
mbn_xy += s->mb_stride;
|
|
if( IS_INTRA( s->current_picture.mb_type[mb_xy] ) ||
|
|
IS_INTRA( s->current_picture.mb_type[mbn_xy] ) ) {
|
|
bS[0] = bS[1] = bS[2] = bS[3] = 3;
|
|
} else {
|
|
// TODO
|
|
assert(0);
|
|
}
|
|
/* Filter edge */
|
|
// Do not use s->qscale as luma quantizer because it has not the same
|
|
// value in IPCM macroblocks.
|
|
qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
|
|
tprintf("filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);
|
|
{ int i; for (i = 0; i < 4; i++) tprintf(" bS[%d]:%d", i, bS[i]); tprintf("\n"); }
|
|
filter_mb_edgeh( h, &img_y[linesize], tmp_linesize, bS, qp );
|
|
chroma_qp = ( h->chroma_qp +
|
|
get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
|
|
filter_mb_edgech( h, &img_cb[uvlinesize], tmp_uvlinesize, bS, chroma_qp );
|
|
filter_mb_edgech( h, &img_cr[uvlinesize], tmp_uvlinesize, bS, chroma_qp );
|
|
continue;
|
|
}
|
|
if( IS_INTRA( s->current_picture.mb_type[mb_xy] ) ||
|
|
IS_INTRA( s->current_picture.mb_type[mbn_xy] ) ) {
|
|
int value;
|
|
if (edge == 0) {
|
|
if ( (!IS_INTERLACED(s->current_picture.mb_type[mb_xy]) && !IS_INTERLACED(s->current_picture.mb_type[mbm_xy]))
|
|
|| ((h->mb_aff_frame || (s->picture_structure != PICT_FRAME)) && (dir == 0))
|
|
) {
|
|
value = 4;
|
|
} else {
|
|
value = 3;
|
|
}
|
|
} else {
|
|
value = 3;
|
|
}
|
|
bS[0] = bS[1] = bS[2] = bS[3] = value;
|
|
} else {
|
|
int i;
|
|
for( i = 0; i < 4; i++ ) {
|
|
int x = dir == 0 ? edge : i;
|
|
int y = dir == 0 ? i : edge;
|
|
int b_idx= 8 + 4 + x + 8*y;
|
|
int bn_idx= b_idx - (dir ? 8:1);
|
|
|
|
if( h->non_zero_count_cache[b_idx] != 0 ||
|
|
h->non_zero_count_cache[bn_idx] != 0 ) {
|
|
bS[i] = 2;
|
|
}
|
|
else
|
|
{
|
|
int l;
|
|
bS[i] = 0;
|
|
for( l = 0; l < 1 + (h->slice_type == B_TYPE); l++ ) {
|
|
if( ref2frm[h->ref_cache[l][b_idx]+2] != ref2frm[h->ref_cache[l][bn_idx]+2] ||
|
|
ABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
|
|
ABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= 4 ) {
|
|
bS[i] = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(bS[0]+bS[1]+bS[2]+bS[3] == 0)
|
|
continue;
|
|
}
|
|
|
|
/* Filter edge */
|
|
// Do not use s->qscale as luma quantizer because it has not the same
|
|
// value in IPCM macroblocks.
|
|
qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
|
|
//tprintf("filter mb:%d/%d dir:%d edge:%d, QPy:%d, QPc:%d, QPcn:%d\n", mb_x, mb_y, dir, edge, qp, h->chroma_qp, s->current_picture.qscale_table[mbn_xy]);
|
|
tprintf("filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);
|
|
{ int i; for (i = 0; i < 4; i++) tprintf(" bS[%d]:%d", i, bS[i]); tprintf("\n"); }
|
|
if( dir == 0 ) {
|
|
filter_mb_edgev( h, &img_y[4*edge], linesize, bS, qp );
|
|
if( (edge&1) == 0 ) {
|
|
int chroma_qp = ( h->chroma_qp +
|
|
get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
|
|
filter_mb_edgecv( h, &img_cb[2*edge], uvlinesize, bS, chroma_qp );
|
|
filter_mb_edgecv( h, &img_cr[2*edge], uvlinesize, bS, chroma_qp );
|
|
}
|
|
} else {
|
|
filter_mb_edgeh( h, &img_y[4*edge*linesize], linesize, bS, qp );
|
|
if( (edge&1) == 0 ) {
|
|
int chroma_qp = ( h->chroma_qp +
|
|
get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
|
|
filter_mb_edgech( h, &img_cb[2*edge*uvlinesize], uvlinesize, bS, chroma_qp );
|
|
filter_mb_edgech( h, &img_cr[2*edge*uvlinesize], uvlinesize, bS, chroma_qp );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static int decode_slice(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
const int part_mask= s->partitioned_frame ? (AC_END|AC_ERROR) : 0x7F;
|
|
|
|
s->mb_skip_run= -1;
|
|
|
|
if( h->pps.cabac ) {
|
|
int i;
|
|
|
|
/* realign */
|
|
align_get_bits( &s->gb );
|
|
|
|
/* init cabac */
|
|
ff_init_cabac_states( &h->cabac, ff_h264_lps_range, ff_h264_mps_state, ff_h264_lps_state, 64 );
|
|
ff_init_cabac_decoder( &h->cabac,
|
|
s->gb.buffer + get_bits_count(&s->gb)/8,
|
|
( s->gb.size_in_bits - get_bits_count(&s->gb) + 7)/8);
|
|
/* calculate pre-state */
|
|
for( i= 0; i < 460; i++ ) {
|
|
int pre;
|
|
if( h->slice_type == I_TYPE )
|
|
pre = clip( ((cabac_context_init_I[i][0] * s->qscale) >>4 ) + cabac_context_init_I[i][1], 1, 126 );
|
|
else
|
|
pre = clip( ((cabac_context_init_PB[h->cabac_init_idc][i][0] * s->qscale) >>4 ) + cabac_context_init_PB[h->cabac_init_idc][i][1], 1, 126 );
|
|
|
|
if( pre <= 63 )
|
|
h->cabac_state[i] = 2 * ( 63 - pre ) + 0;
|
|
else
|
|
h->cabac_state[i] = 2 * ( pre - 64 ) + 1;
|
|
}
|
|
|
|
for(;;){
|
|
int ret = decode_mb_cabac(h);
|
|
int eos;
|
|
|
|
if(ret>=0) hl_decode_mb(h);
|
|
|
|
/* XXX: useless as decode_mb_cabac it doesn't support that ... */
|
|
if( ret >= 0 && h->mb_aff_frame ) { //FIXME optimal? or let mb_decode decode 16x32 ?
|
|
s->mb_y++;
|
|
|
|
if(ret>=0) ret = decode_mb_cabac(h);
|
|
|
|
hl_decode_mb(h);
|
|
s->mb_y--;
|
|
}
|
|
eos = get_cabac_terminate( &h->cabac );
|
|
|
|
if( ret < 0 || h->cabac.bytestream > h->cabac.bytestream_end + 1) {
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
|
|
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
|
|
return -1;
|
|
}
|
|
|
|
if( ++s->mb_x >= s->mb_width ) {
|
|
s->mb_x = 0;
|
|
ff_draw_horiz_band(s, 16*s->mb_y, 16);
|
|
++s->mb_y;
|
|
if(h->mb_aff_frame) {
|
|
++s->mb_y;
|
|
}
|
|
}
|
|
|
|
if( eos || s->mb_y >= s->mb_height ) {
|
|
tprintf("slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
|
|
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
} else {
|
|
for(;;){
|
|
int ret = decode_mb_cavlc(h);
|
|
|
|
if(ret>=0) hl_decode_mb(h);
|
|
|
|
if(ret>=0 && h->mb_aff_frame){ //FIXME optimal? or let mb_decode decode 16x32 ?
|
|
s->mb_y++;
|
|
ret = decode_mb_cavlc(h);
|
|
|
|
if(ret>=0) hl_decode_mb(h);
|
|
s->mb_y--;
|
|
}
|
|
|
|
if(ret<0){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
|
|
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
|
|
|
|
return -1;
|
|
}
|
|
|
|
if(++s->mb_x >= s->mb_width){
|
|
s->mb_x=0;
|
|
ff_draw_horiz_band(s, 16*s->mb_y, 16);
|
|
++s->mb_y;
|
|
if(h->mb_aff_frame) {
|
|
++s->mb_y;
|
|
}
|
|
if(s->mb_y >= s->mb_height){
|
|
tprintf("slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
|
|
|
|
if(get_bits_count(&s->gb) == s->gb.size_in_bits ) {
|
|
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
|
|
|
|
return 0;
|
|
}else{
|
|
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
|
|
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(get_bits_count(&s->gb) >= s->gb.size_in_bits && s->mb_skip_run<=0){
|
|
tprintf("slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
|
|
if(get_bits_count(&s->gb) == s->gb.size_in_bits ){
|
|
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
|
|
|
|
return 0;
|
|
}else{
|
|
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
|
|
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
for(;s->mb_y < s->mb_height; s->mb_y++){
|
|
for(;s->mb_x < s->mb_width; s->mb_x++){
|
|
int ret= decode_mb(h);
|
|
|
|
hl_decode_mb(h);
|
|
|
|
if(ret<0){
|
|
fprintf(stderr, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
|
|
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
|
|
|
|
return -1;
|
|
}
|
|
|
|
if(++s->mb_x >= s->mb_width){
|
|
s->mb_x=0;
|
|
if(++s->mb_y >= s->mb_height){
|
|
if(get_bits_count(s->gb) == s->gb.size_in_bits){
|
|
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
|
|
|
|
return 0;
|
|
}else{
|
|
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
|
|
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(get_bits_count(s->?gb) >= s->gb?.size_in_bits){
|
|
if(get_bits_count(s->gb) == s->gb.size_in_bits){
|
|
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
|
|
|
|
return 0;
|
|
}else{
|
|
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
|
|
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
s->mb_x=0;
|
|
ff_draw_horiz_band(s, 16*s->mb_y, 16);
|
|
}
|
|
#endif
|
|
return -1; //not reached
|
|
}
|
|
|
|
static inline void decode_hrd_parameters(H264Context *h, SPS *sps){
|
|
MpegEncContext * const s = &h->s;
|
|
int cpb_count, i;
|
|
cpb_count = get_ue_golomb(&s->gb) + 1;
|
|
get_bits(&s->gb, 4); /* bit_rate_scale */
|
|
get_bits(&s->gb, 4); /* cpb_size_scale */
|
|
for(i=0; i<cpb_count; i++){
|
|
get_ue_golomb(&s->gb); /* bit_rate_value_minus1 */
|
|
get_ue_golomb(&s->gb); /* cpb_size_value_minus1 */
|
|
get_bits1(&s->gb); /* cbr_flag */
|
|
}
|
|
get_bits(&s->gb, 5); /* initial_cpb_removal_delay_length_minus1 */
|
|
get_bits(&s->gb, 5); /* cpb_removal_delay_length_minus1 */
|
|
get_bits(&s->gb, 5); /* dpb_output_delay_length_minus1 */
|
|
get_bits(&s->gb, 5); /* time_offset_length */
|
|
}
|
|
|
|
static inline int decode_vui_parameters(H264Context *h, SPS *sps){
|
|
MpegEncContext * const s = &h->s;
|
|
int aspect_ratio_info_present_flag, aspect_ratio_idc;
|
|
int nal_hrd_parameters_present_flag, vcl_hrd_parameters_present_flag;
|
|
|
|
aspect_ratio_info_present_flag= get_bits1(&s->gb);
|
|
|
|
if( aspect_ratio_info_present_flag ) {
|
|
aspect_ratio_idc= get_bits(&s->gb, 8);
|
|
if( aspect_ratio_idc == EXTENDED_SAR ) {
|
|
sps->sar.num= get_bits(&s->gb, 16);
|
|
sps->sar.den= get_bits(&s->gb, 16);
|
|
}else if(aspect_ratio_idc < 16){
|
|
sps->sar= pixel_aspect[aspect_ratio_idc];
|
|
}else{
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "illegal aspect ratio\n");
|
|
return -1;
|
|
}
|
|
}else{
|
|
sps->sar.num=
|
|
sps->sar.den= 0;
|
|
}
|
|
// s->avctx->aspect_ratio= sar_width*s->width / (float)(s->height*sar_height);
|
|
|
|
if(get_bits1(&s->gb)){ /* overscan_info_present_flag */
|
|
get_bits1(&s->gb); /* overscan_appropriate_flag */
|
|
}
|
|
|
|
if(get_bits1(&s->gb)){ /* video_signal_type_present_flag */
|
|
get_bits(&s->gb, 3); /* video_format */
|
|
get_bits1(&s->gb); /* video_full_range_flag */
|
|
if(get_bits1(&s->gb)){ /* colour_description_present_flag */
|
|
get_bits(&s->gb, 8); /* colour_primaries */
|
|
get_bits(&s->gb, 8); /* transfer_characteristics */
|
|
get_bits(&s->gb, 8); /* matrix_coefficients */
|
|
}
|
|
}
|
|
|
|
if(get_bits1(&s->gb)){ /* chroma_location_info_present_flag */
|
|
get_ue_golomb(&s->gb); /* chroma_sample_location_type_top_field */
|
|
get_ue_golomb(&s->gb); /* chroma_sample_location_type_bottom_field */
|
|
}
|
|
|
|
sps->timing_info_present_flag = get_bits1(&s->gb);
|
|
if(sps->timing_info_present_flag){
|
|
sps->num_units_in_tick = get_bits_long(&s->gb, 32);
|
|
sps->time_scale = get_bits_long(&s->gb, 32);
|
|
sps->fixed_frame_rate_flag = get_bits1(&s->gb);
|
|
}
|
|
|
|
nal_hrd_parameters_present_flag = get_bits1(&s->gb);
|
|
if(nal_hrd_parameters_present_flag)
|
|
decode_hrd_parameters(h, sps);
|
|
vcl_hrd_parameters_present_flag = get_bits1(&s->gb);
|
|
if(vcl_hrd_parameters_present_flag)
|
|
decode_hrd_parameters(h, sps);
|
|
if(nal_hrd_parameters_present_flag || vcl_hrd_parameters_present_flag)
|
|
get_bits1(&s->gb); /* low_delay_hrd_flag */
|
|
get_bits1(&s->gb); /* pic_struct_present_flag */
|
|
|
|
sps->bitstream_restriction_flag = get_bits1(&s->gb);
|
|
if(sps->bitstream_restriction_flag){
|
|
get_bits1(&s->gb); /* motion_vectors_over_pic_boundaries_flag */
|
|
get_ue_golomb(&s->gb); /* max_bytes_per_pic_denom */
|
|
get_ue_golomb(&s->gb); /* max_bits_per_mb_denom */
|
|
get_ue_golomb(&s->gb); /* log2_max_mv_length_horizontal */
|
|
get_ue_golomb(&s->gb); /* log2_max_mv_length_vertical */
|
|
sps->num_reorder_frames = get_ue_golomb(&s->gb);
|
|
get_ue_golomb(&s->gb); /* max_dec_frame_buffering */
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline int decode_seq_parameter_set(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
int profile_idc, level_idc;
|
|
int sps_id, i;
|
|
SPS *sps;
|
|
|
|
profile_idc= get_bits(&s->gb, 8);
|
|
get_bits1(&s->gb); //constraint_set0_flag
|
|
get_bits1(&s->gb); //constraint_set1_flag
|
|
get_bits1(&s->gb); //constraint_set2_flag
|
|
get_bits1(&s->gb); //constraint_set3_flag
|
|
get_bits(&s->gb, 4); // reserved
|
|
level_idc= get_bits(&s->gb, 8);
|
|
sps_id= get_ue_golomb(&s->gb);
|
|
|
|
sps= &h->sps_buffer[ sps_id ];
|
|
sps->profile_idc= profile_idc;
|
|
sps->level_idc= level_idc;
|
|
|
|
if(sps->profile_idc >= 100){ //high profile
|
|
if(get_ue_golomb(&s->gb) == 3) //chroma_format_idc
|
|
get_bits1(&s->gb); //residual_color_transform_flag
|
|
get_ue_golomb(&s->gb); //bit_depth_luma_minus8
|
|
get_ue_golomb(&s->gb); //bit_depth_chroma_minus8
|
|
get_bits1(&s->gb); //qpprime_y_zero_transform_bypass_flag
|
|
if(get_bits1(&s->gb)){ //seq_scaling_matrix_present_flag
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "custom scaling matrix not implemented\n");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
sps->log2_max_frame_num= get_ue_golomb(&s->gb) + 4;
|
|
sps->poc_type= get_ue_golomb(&s->gb);
|
|
|
|
if(sps->poc_type == 0){ //FIXME #define
|
|
sps->log2_max_poc_lsb= get_ue_golomb(&s->gb) + 4;
|
|
} else if(sps->poc_type == 1){//FIXME #define
|
|
sps->delta_pic_order_always_zero_flag= get_bits1(&s->gb);
|
|
sps->offset_for_non_ref_pic= get_se_golomb(&s->gb);
|
|
sps->offset_for_top_to_bottom_field= get_se_golomb(&s->gb);
|
|
sps->poc_cycle_length= get_ue_golomb(&s->gb);
|
|
|
|
for(i=0; i<sps->poc_cycle_length; i++)
|
|
sps->offset_for_ref_frame[i]= get_se_golomb(&s->gb);
|
|
}
|
|
if(sps->poc_type > 2){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "illegal POC type %d\n", sps->poc_type);
|
|
return -1;
|
|
}
|
|
|
|
sps->ref_frame_count= get_ue_golomb(&s->gb);
|
|
if(sps->ref_frame_count > MAX_PICTURE_COUNT-2){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "too many reference frames\n");
|
|
}
|
|
sps->gaps_in_frame_num_allowed_flag= get_bits1(&s->gb);
|
|
sps->mb_width= get_ue_golomb(&s->gb) + 1;
|
|
sps->mb_height= get_ue_golomb(&s->gb) + 1;
|
|
if((unsigned)sps->mb_width >= INT_MAX/16 || (unsigned)sps->mb_height >= INT_MAX/16 ||
|
|
avcodec_check_dimensions(NULL, 16*sps->mb_width, 16*sps->mb_height))
|
|
return -1;
|
|
|
|
sps->frame_mbs_only_flag= get_bits1(&s->gb);
|
|
if(!sps->frame_mbs_only_flag)
|
|
sps->mb_aff= get_bits1(&s->gb);
|
|
else
|
|
sps->mb_aff= 0;
|
|
|
|
sps->direct_8x8_inference_flag= get_bits1(&s->gb);
|
|
|
|
sps->crop= get_bits1(&s->gb);
|
|
if(sps->crop){
|
|
sps->crop_left = get_ue_golomb(&s->gb);
|
|
sps->crop_right = get_ue_golomb(&s->gb);
|
|
sps->crop_top = get_ue_golomb(&s->gb);
|
|
sps->crop_bottom= get_ue_golomb(&s->gb);
|
|
if(sps->crop_left || sps->crop_top){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "insane cropping not completely supported, this could look slightly wrong ...\n");
|
|
}
|
|
}else{
|
|
sps->crop_left =
|
|
sps->crop_right =
|
|
sps->crop_top =
|
|
sps->crop_bottom= 0;
|
|
}
|
|
|
|
sps->vui_parameters_present_flag= get_bits1(&s->gb);
|
|
if( sps->vui_parameters_present_flag )
|
|
decode_vui_parameters(h, sps);
|
|
|
|
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
|
|
av_log(h->s.avctx, AV_LOG_DEBUG, "sps:%d profile:%d/%d poc:%d ref:%d %dx%d %s %s crop:%d/%d/%d/%d %s\n",
|
|
sps_id, sps->profile_idc, sps->level_idc,
|
|
sps->poc_type,
|
|
sps->ref_frame_count,
|
|
sps->mb_width, sps->mb_height,
|
|
sps->frame_mbs_only_flag ? "FRM" : (sps->mb_aff ? "MB-AFF" : "PIC-AFF"),
|
|
sps->direct_8x8_inference_flag ? "8B8" : "",
|
|
sps->crop_left, sps->crop_right,
|
|
sps->crop_top, sps->crop_bottom,
|
|
sps->vui_parameters_present_flag ? "VUI" : ""
|
|
);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline int decode_picture_parameter_set(H264Context *h, int bit_length){
|
|
MpegEncContext * const s = &h->s;
|
|
int pps_id= get_ue_golomb(&s->gb);
|
|
PPS *pps= &h->pps_buffer[pps_id];
|
|
|
|
pps->sps_id= get_ue_golomb(&s->gb);
|
|
pps->cabac= get_bits1(&s->gb);
|
|
pps->pic_order_present= get_bits1(&s->gb);
|
|
pps->slice_group_count= get_ue_golomb(&s->gb) + 1;
|
|
if(pps->slice_group_count > 1 ){
|
|
pps->mb_slice_group_map_type= get_ue_golomb(&s->gb);
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "FMO not supported\n");
|
|
switch(pps->mb_slice_group_map_type){
|
|
case 0:
|
|
#if 0
|
|
| for( i = 0; i <= num_slice_groups_minus1; i++ ) | | |
|
|
| run_length[ i ] |1 |ue(v) |
|
|
#endif
|
|
break;
|
|
case 2:
|
|
#if 0
|
|
| for( i = 0; i < num_slice_groups_minus1; i++ ) | | |
|
|
|{ | | |
|
|
| top_left_mb[ i ] |1 |ue(v) |
|
|
| bottom_right_mb[ i ] |1 |ue(v) |
|
|
| } | | |
|
|
#endif
|
|
break;
|
|
case 3:
|
|
case 4:
|
|
case 5:
|
|
#if 0
|
|
| slice_group_change_direction_flag |1 |u(1) |
|
|
| slice_group_change_rate_minus1 |1 |ue(v) |
|
|
#endif
|
|
break;
|
|
case 6:
|
|
#if 0
|
|
| slice_group_id_cnt_minus1 |1 |ue(v) |
|
|
| for( i = 0; i <= slice_group_id_cnt_minus1; i++ | | |
|
|
|) | | |
|
|
| slice_group_id[ i ] |1 |u(v) |
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
pps->ref_count[0]= get_ue_golomb(&s->gb) + 1;
|
|
pps->ref_count[1]= get_ue_golomb(&s->gb) + 1;
|
|
if(pps->ref_count[0] > 32 || pps->ref_count[1] > 32){
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow (pps)\n");
|
|
return -1;
|
|
}
|
|
|
|
pps->weighted_pred= get_bits1(&s->gb);
|
|
pps->weighted_bipred_idc= get_bits(&s->gb, 2);
|
|
pps->init_qp= get_se_golomb(&s->gb) + 26;
|
|
pps->init_qs= get_se_golomb(&s->gb) + 26;
|
|
pps->chroma_qp_index_offset= get_se_golomb(&s->gb);
|
|
pps->deblocking_filter_parameters_present= get_bits1(&s->gb);
|
|
pps->constrained_intra_pred= get_bits1(&s->gb);
|
|
pps->redundant_pic_cnt_present = get_bits1(&s->gb);
|
|
|
|
if(get_bits_count(&s->gb) < bit_length){
|
|
pps->transform_8x8_mode= get_bits1(&s->gb);
|
|
if(get_bits1(&s->gb)){ //pic_scaling_matrix_present_flag
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "custom scaling matrix not implemented\n");
|
|
return -1;
|
|
}
|
|
get_se_golomb(&s->gb); //second_chroma_qp_index_offset
|
|
}
|
|
|
|
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
|
|
av_log(h->s.avctx, AV_LOG_DEBUG, "pps:%d sps:%d %s slice_groups:%d ref:%d/%d %s qp:%d/%d/%d %s %s %s %s\n",
|
|
pps_id, pps->sps_id,
|
|
pps->cabac ? "CABAC" : "CAVLC",
|
|
pps->slice_group_count,
|
|
pps->ref_count[0], pps->ref_count[1],
|
|
pps->weighted_pred ? "weighted" : "",
|
|
pps->init_qp, pps->init_qs, pps->chroma_qp_index_offset,
|
|
pps->deblocking_filter_parameters_present ? "LPAR" : "",
|
|
pps->constrained_intra_pred ? "CONSTR" : "",
|
|
pps->redundant_pic_cnt_present ? "REDU" : "",
|
|
pps->transform_8x8_mode ? "8x8DCT" : ""
|
|
);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* finds the end of the current frame in the bitstream.
|
|
* @return the position of the first byte of the next frame, or -1
|
|
*/
|
|
static int find_frame_end(H264Context *h, const uint8_t *buf, int buf_size){
|
|
int i;
|
|
uint32_t state;
|
|
ParseContext *pc = &(h->s.parse_context);
|
|
//printf("first %02X%02X%02X%02X\n", buf[0], buf[1],buf[2],buf[3]);
|
|
// mb_addr= pc->mb_addr - 1;
|
|
state= pc->state;
|
|
for(i=0; i<=buf_size; i++){
|
|
if((state&0xFFFFFF1F) == 0x101 || (state&0xFFFFFF1F) == 0x102 || (state&0xFFFFFF1F) == 0x105){
|
|
tprintf("find_frame_end new startcode = %08x, frame_start_found = %d, pos = %d\n", state, pc->frame_start_found, i);
|
|
if(pc->frame_start_found){
|
|
// If there isn't one more byte in the buffer
|
|
// the test on first_mb_in_slice cannot be done yet
|
|
// do it at next call.
|
|
if (i >= buf_size) break;
|
|
if (buf[i] & 0x80) {
|
|
// first_mb_in_slice is 0, probably the first nal of a new
|
|
// slice
|
|
tprintf("find_frame_end frame_end_found, state = %08x, pos = %d\n", state, i);
|
|
pc->state=-1;
|
|
pc->frame_start_found= 0;
|
|
return i-4;
|
|
}
|
|
}
|
|
pc->frame_start_found = 1;
|
|
}
|
|
if (i<buf_size)
|
|
state= (state<<8) | buf[i];
|
|
}
|
|
|
|
pc->state= state;
|
|
return END_NOT_FOUND;
|
|
}
|
|
|
|
static int h264_parse(AVCodecParserContext *s,
|
|
AVCodecContext *avctx,
|
|
uint8_t **poutbuf, int *poutbuf_size,
|
|
const uint8_t *buf, int buf_size)
|
|
{
|
|
H264Context *h = s->priv_data;
|
|
ParseContext *pc = &h->s.parse_context;
|
|
int next;
|
|
|
|
next= find_frame_end(h, buf, buf_size);
|
|
|
|
if (ff_combine_frame(pc, next, (uint8_t **)&buf, &buf_size) < 0) {
|
|
*poutbuf = NULL;
|
|
*poutbuf_size = 0;
|
|
return buf_size;
|
|
}
|
|
|
|
*poutbuf = (uint8_t *)buf;
|
|
*poutbuf_size = buf_size;
|
|
return next;
|
|
}
|
|
|
|
static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
|
|
MpegEncContext * const s = &h->s;
|
|
AVCodecContext * const avctx= s->avctx;
|
|
int buf_index=0;
|
|
#if 0
|
|
int i;
|
|
for(i=0; i<32; i++){
|
|
printf("%X ", buf[i]);
|
|
}
|
|
#endif
|
|
h->slice_num = 0;
|
|
for(;;){
|
|
int consumed;
|
|
int dst_length;
|
|
int bit_length;
|
|
uint8_t *ptr;
|
|
int i, nalsize = 0;
|
|
|
|
if(h->is_avc) {
|
|
if(buf_index >= buf_size) break;
|
|
nalsize = 0;
|
|
for(i = 0; i < h->nal_length_size; i++)
|
|
nalsize = (nalsize << 8) | buf[buf_index++];
|
|
} else {
|
|
// start code prefix search
|
|
for(; buf_index + 3 < buf_size; buf_index++){
|
|
// this should allways succeed in the first iteration
|
|
if(buf[buf_index] == 0 && buf[buf_index+1] == 0 && buf[buf_index+2] == 1)
|
|
break;
|
|
}
|
|
|
|
if(buf_index+3 >= buf_size) break;
|
|
|
|
buf_index+=3;
|
|
}
|
|
|
|
ptr= decode_nal(h, buf + buf_index, &dst_length, &consumed, h->is_avc ? nalsize : buf_size - buf_index);
|
|
if(ptr[dst_length - 1] == 0) dst_length--;
|
|
bit_length= 8*dst_length - decode_rbsp_trailing(ptr + dst_length - 1);
|
|
|
|
if(s->avctx->debug&FF_DEBUG_STARTCODE){
|
|
av_log(h->s.avctx, AV_LOG_DEBUG, "NAL %d at %d/%d length %d\n", h->nal_unit_type, buf_index, buf_size, dst_length);
|
|
}
|
|
|
|
if (h->is_avc && (nalsize != consumed))
|
|
av_log(h->s.avctx, AV_LOG_ERROR, "AVC: Consumed only %d bytes instead of %d\n", consumed, nalsize);
|
|
|
|
buf_index += consumed;
|
|
|
|
if( s->hurry_up == 1 && h->nal_ref_idc == 0 )
|
|
continue;
|
|
|
|
switch(h->nal_unit_type){
|
|
case NAL_IDR_SLICE:
|
|
idr(h); //FIXME ensure we don't loose some frames if there is reordering
|
|
case NAL_SLICE:
|
|
init_get_bits(&s->gb, ptr, bit_length);
|
|
h->intra_gb_ptr=
|
|
h->inter_gb_ptr= &s->gb;
|
|
s->data_partitioning = 0;
|
|
|
|
if(decode_slice_header(h) < 0) return -1;
|
|
if(h->redundant_pic_count==0 && s->hurry_up < 5 )
|
|
decode_slice(h);
|
|
break;
|
|
case NAL_DPA:
|
|
init_get_bits(&s->gb, ptr, bit_length);
|
|
h->intra_gb_ptr=
|
|
h->inter_gb_ptr= NULL;
|
|
s->data_partitioning = 1;
|
|
|
|
if(decode_slice_header(h) < 0) return -1;
|
|
break;
|
|
case NAL_DPB:
|
|
init_get_bits(&h->intra_gb, ptr, bit_length);
|
|
h->intra_gb_ptr= &h->intra_gb;
|
|
break;
|
|
case NAL_DPC:
|
|
init_get_bits(&h->inter_gb, ptr, bit_length);
|
|
h->inter_gb_ptr= &h->inter_gb;
|
|
|
|
if(h->redundant_pic_count==0 && h->intra_gb_ptr && s->data_partitioning && s->hurry_up < 5 )
|
|
decode_slice(h);
|
|
break;
|
|
case NAL_SEI:
|
|
break;
|
|
case NAL_SPS:
|
|
init_get_bits(&s->gb, ptr, bit_length);
|
|
decode_seq_parameter_set(h);
|
|
|
|
if(s->flags& CODEC_FLAG_LOW_DELAY)
|
|
s->low_delay=1;
|
|
|
|
if(avctx->has_b_frames < 2)
|
|
avctx->has_b_frames= !s->low_delay;
|
|
break;
|
|
case NAL_PPS:
|
|
init_get_bits(&s->gb, ptr, bit_length);
|
|
|
|
decode_picture_parameter_set(h, bit_length);
|
|
|
|
break;
|
|
case NAL_PICTURE_DELIMITER:
|
|
break;
|
|
case NAL_FILTER_DATA:
|
|
break;
|
|
default:
|
|
av_log(avctx, AV_LOG_ERROR, "Unknown NAL code: %d\n", h->nal_unit_type);
|
|
}
|
|
}
|
|
|
|
if(!s->current_picture_ptr) return buf_index; //no frame
|
|
|
|
s->current_picture_ptr->pict_type= s->pict_type;
|
|
s->current_picture_ptr->key_frame= s->pict_type == I_TYPE && h->nal_unit_type == NAL_IDR_SLICE;
|
|
|
|
h->prev_frame_num_offset= h->frame_num_offset;
|
|
h->prev_frame_num= h->frame_num;
|
|
if(s->current_picture_ptr->reference){
|
|
h->prev_poc_msb= h->poc_msb;
|
|
h->prev_poc_lsb= h->poc_lsb;
|
|
}
|
|
if(s->current_picture_ptr->reference)
|
|
execute_ref_pic_marking(h, h->mmco, h->mmco_index);
|
|
|
|
ff_er_frame_end(s);
|
|
|
|
MPV_frame_end(s);
|
|
|
|
return buf_index;
|
|
}
|
|
|
|
/**
|
|
* returns the number of bytes consumed for building the current frame
|
|
*/
|
|
static int get_consumed_bytes(MpegEncContext *s, int pos, int buf_size){
|
|
if(s->flags&CODEC_FLAG_TRUNCATED){
|
|
pos -= s->parse_context.last_index;
|
|
if(pos<0) pos=0; // FIXME remove (unneeded?)
|
|
|
|
return pos;
|
|
}else{
|
|
if(pos==0) pos=1; //avoid infinite loops (i doubt thats needed but ...)
|
|
if(pos+10>buf_size) pos=buf_size; // oops ;)
|
|
|
|
return pos;
|
|
}
|
|
}
|
|
|
|
static int decode_frame(AVCodecContext *avctx,
|
|
void *data, int *data_size,
|
|
uint8_t *buf, int buf_size)
|
|
{
|
|
H264Context *h = avctx->priv_data;
|
|
MpegEncContext *s = &h->s;
|
|
AVFrame *pict = data;
|
|
int buf_index;
|
|
|
|
s->flags= avctx->flags;
|
|
s->flags2= avctx->flags2;
|
|
|
|
/* no supplementary picture */
|
|
if (buf_size == 0) {
|
|
return 0;
|
|
}
|
|
|
|
if(s->flags&CODEC_FLAG_TRUNCATED){
|
|
int next= find_frame_end(h, buf, buf_size);
|
|
|
|
if( ff_combine_frame(&s->parse_context, next, &buf, &buf_size) < 0 )
|
|
return buf_size;
|
|
//printf("next:%d buf_size:%d last_index:%d\n", next, buf_size, s->parse_context.last_index);
|
|
}
|
|
|
|
if(h->is_avc && !h->got_avcC) {
|
|
int i, cnt, nalsize;
|
|
unsigned char *p = avctx->extradata;
|
|
if(avctx->extradata_size < 7) {
|
|
av_log(avctx, AV_LOG_ERROR, "avcC too short\n");
|
|
return -1;
|
|
}
|
|
if(*p != 1) {
|
|
av_log(avctx, AV_LOG_ERROR, "Unknown avcC version %d\n", *p);
|
|
return -1;
|
|
}
|
|
/* sps and pps in the avcC always have length coded with 2 bytes,
|
|
so put a fake nal_length_size = 2 while parsing them */
|
|
h->nal_length_size = 2;
|
|
// Decode sps from avcC
|
|
cnt = *(p+5) & 0x1f; // Number of sps
|
|
p += 6;
|
|
for (i = 0; i < cnt; i++) {
|
|
nalsize = BE_16(p) + 2;
|
|
if(decode_nal_units(h, p, nalsize) != nalsize) {
|
|
av_log(avctx, AV_LOG_ERROR, "Decoding sps %d from avcC failed\n", i);
|
|
return -1;
|
|
}
|
|
p += nalsize;
|
|
}
|
|
// Decode pps from avcC
|
|
cnt = *(p++); // Number of pps
|
|
for (i = 0; i < cnt; i++) {
|
|
nalsize = BE_16(p) + 2;
|
|
if(decode_nal_units(h, p, nalsize) != nalsize) {
|
|
av_log(avctx, AV_LOG_ERROR, "Decoding pps %d from avcC failed\n", i);
|
|
return -1;
|
|
}
|
|
p += nalsize;
|
|
}
|
|
// Now store right nal length size, that will be use to parse all other nals
|
|
h->nal_length_size = ((*(((char*)(avctx->extradata))+4))&0x03)+1;
|
|
// Do not reparse avcC
|
|
h->got_avcC = 1;
|
|
}
|
|
|
|
if(!h->is_avc && s->avctx->extradata_size && s->picture_number==0){
|
|
if(0 < decode_nal_units(h, s->avctx->extradata, s->avctx->extradata_size) )
|
|
return -1;
|
|
}
|
|
|
|
buf_index=decode_nal_units(h, buf, buf_size);
|
|
if(buf_index < 0)
|
|
return -1;
|
|
|
|
//FIXME do something with unavailable reference frames
|
|
|
|
// if(ret==FRAME_SKIPPED) return get_consumed_bytes(s, buf_index, buf_size);
|
|
if(!s->current_picture_ptr){
|
|
av_log(h->s.avctx, AV_LOG_DEBUG, "error, NO frame\n");
|
|
return -1;
|
|
}
|
|
|
|
{
|
|
Picture *out = s->current_picture_ptr;
|
|
#if 0 //decode order
|
|
*data_size = sizeof(AVFrame);
|
|
#else
|
|
/* Sort B-frames into display order */
|
|
Picture *cur = s->current_picture_ptr;
|
|
Picture *prev = h->delayed_output_pic;
|
|
int out_idx = 0;
|
|
int pics = 0;
|
|
int out_of_order;
|
|
int cross_idr = 0;
|
|
int dropped_frame = 0;
|
|
int i;
|
|
|
|
if(h->sps.bitstream_restriction_flag
|
|
&& s->avctx->has_b_frames < h->sps.num_reorder_frames){
|
|
s->avctx->has_b_frames = h->sps.num_reorder_frames;
|
|
s->low_delay = 0;
|
|
}
|
|
|
|
while(h->delayed_pic[pics]) pics++;
|
|
h->delayed_pic[pics++] = cur;
|
|
if(cur->reference == 0)
|
|
cur->reference = 1;
|
|
|
|
for(i=0; h->delayed_pic[i]; i++)
|
|
if(h->delayed_pic[i]->key_frame || h->delayed_pic[i]->poc==0)
|
|
cross_idr = 1;
|
|
|
|
out = h->delayed_pic[0];
|
|
for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame; i++)
|
|
if(h->delayed_pic[i]->poc < out->poc){
|
|
out = h->delayed_pic[i];
|
|
out_idx = i;
|
|
}
|
|
|
|
out_of_order = !cross_idr && prev && out->poc < prev->poc;
|
|
if(prev && pics <= s->avctx->has_b_frames)
|
|
out = prev;
|
|
else if((out_of_order && pics-1 == s->avctx->has_b_frames)
|
|
|| (s->low_delay &&
|
|
((!cross_idr && prev && out->poc > prev->poc + 2)
|
|
|| cur->pict_type == B_TYPE)))
|
|
{
|
|
s->low_delay = 0;
|
|
s->avctx->has_b_frames++;
|
|
out = prev;
|
|
}
|
|
else if(out_of_order)
|
|
out = prev;
|
|
|
|
if(out_of_order || pics > s->avctx->has_b_frames){
|
|
dropped_frame = (out != h->delayed_pic[out_idx]);
|
|
for(i=out_idx; h->delayed_pic[i]; i++)
|
|
h->delayed_pic[i] = h->delayed_pic[i+1];
|
|
}
|
|
|
|
if(prev == out && !dropped_frame)
|
|
*data_size = 0;
|
|
else
|
|
*data_size = sizeof(AVFrame);
|
|
if(prev && prev != out && prev->reference == 1)
|
|
prev->reference = 0;
|
|
h->delayed_output_pic = out;
|
|
#endif
|
|
|
|
*pict= *(AVFrame*)out;
|
|
}
|
|
|
|
assert(pict->data[0]);
|
|
ff_print_debug_info(s, pict);
|
|
//printf("out %d\n", (int)pict->data[0]);
|
|
#if 0 //?
|
|
|
|
/* Return the Picture timestamp as the frame number */
|
|
/* we substract 1 because it is added on utils.c */
|
|
avctx->frame_number = s->picture_number - 1;
|
|
#endif
|
|
return get_consumed_bytes(s, buf_index, buf_size);
|
|
}
|
|
#if 0
|
|
static inline void fill_mb_avail(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
|
|
|
|
if(s->mb_y){
|
|
h->mb_avail[0]= s->mb_x && h->slice_table[mb_xy - s->mb_stride - 1] == h->slice_num;
|
|
h->mb_avail[1]= h->slice_table[mb_xy - s->mb_stride ] == h->slice_num;
|
|
h->mb_avail[2]= s->mb_x+1 < s->mb_width && h->slice_table[mb_xy - s->mb_stride + 1] == h->slice_num;
|
|
}else{
|
|
h->mb_avail[0]=
|
|
h->mb_avail[1]=
|
|
h->mb_avail[2]= 0;
|
|
}
|
|
h->mb_avail[3]= s->mb_x && h->slice_table[mb_xy - 1] == h->slice_num;
|
|
h->mb_avail[4]= 1; //FIXME move out
|
|
h->mb_avail[5]= 0; //FIXME move out
|
|
}
|
|
#endif
|
|
|
|
#if 0 //selftest
|
|
#define COUNT 8000
|
|
#define SIZE (COUNT*40)
|
|
int main(){
|
|
int i;
|
|
uint8_t temp[SIZE];
|
|
PutBitContext pb;
|
|
GetBitContext gb;
|
|
// int int_temp[10000];
|
|
DSPContext dsp;
|
|
AVCodecContext avctx;
|
|
|
|
dsputil_init(&dsp, &avctx);
|
|
|
|
init_put_bits(&pb, temp, SIZE);
|
|
printf("testing unsigned exp golomb\n");
|
|
for(i=0; i<COUNT; i++){
|
|
START_TIMER
|
|
set_ue_golomb(&pb, i);
|
|
STOP_TIMER("set_ue_golomb");
|
|
}
|
|
flush_put_bits(&pb);
|
|
|
|
init_get_bits(&gb, temp, 8*SIZE);
|
|
for(i=0; i<COUNT; i++){
|
|
int j, s;
|
|
|
|
s= show_bits(&gb, 24);
|
|
|
|
START_TIMER
|
|
j= get_ue_golomb(&gb);
|
|
if(j != i){
|
|
printf("missmatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
|
|
// return -1;
|
|
}
|
|
STOP_TIMER("get_ue_golomb");
|
|
}
|
|
|
|
|
|
init_put_bits(&pb, temp, SIZE);
|
|
printf("testing signed exp golomb\n");
|
|
for(i=0; i<COUNT; i++){
|
|
START_TIMER
|
|
set_se_golomb(&pb, i - COUNT/2);
|
|
STOP_TIMER("set_se_golomb");
|
|
}
|
|
flush_put_bits(&pb);
|
|
|
|
init_get_bits(&gb, temp, 8*SIZE);
|
|
for(i=0; i<COUNT; i++){
|
|
int j, s;
|
|
|
|
s= show_bits(&gb, 24);
|
|
|
|
START_TIMER
|
|
j= get_se_golomb(&gb);
|
|
if(j != i - COUNT/2){
|
|
printf("missmatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
|
|
// return -1;
|
|
}
|
|
STOP_TIMER("get_se_golomb");
|
|
}
|
|
|
|
printf("testing 4x4 (I)DCT\n");
|
|
|
|
DCTELEM block[16];
|
|
uint8_t src[16], ref[16];
|
|
uint64_t error= 0, max_error=0;
|
|
|
|
for(i=0; i<COUNT; i++){
|
|
int j;
|
|
// printf("%d %d %d\n", r1, r2, (r2-r1)*16);
|
|
for(j=0; j<16; j++){
|
|
ref[j]= random()%255;
|
|
src[j]= random()%255;
|
|
}
|
|
|
|
h264_diff_dct_c(block, src, ref, 4);
|
|
|
|
//normalize
|
|
for(j=0; j<16; j++){
|
|
// printf("%d ", block[j]);
|
|
block[j]= block[j]*4;
|
|
if(j&1) block[j]= (block[j]*4 + 2)/5;
|
|
if(j&4) block[j]= (block[j]*4 + 2)/5;
|
|
}
|
|
// printf("\n");
|
|
|
|
s->dsp.h264_idct_add(ref, block, 4);
|
|
/* for(j=0; j<16; j++){
|
|
printf("%d ", ref[j]);
|
|
}
|
|
printf("\n");*/
|
|
|
|
for(j=0; j<16; j++){
|
|
int diff= ABS(src[j] - ref[j]);
|
|
|
|
error+= diff*diff;
|
|
max_error= FFMAX(max_error, diff);
|
|
}
|
|
}
|
|
printf("error=%f max_error=%d\n", ((float)error)/COUNT/16, (int)max_error );
|
|
#if 0
|
|
printf("testing quantizer\n");
|
|
for(qp=0; qp<52; qp++){
|
|
for(i=0; i<16; i++)
|
|
src1_block[i]= src2_block[i]= random()%255;
|
|
|
|
}
|
|
#endif
|
|
printf("Testing NAL layer\n");
|
|
|
|
uint8_t bitstream[COUNT];
|
|
uint8_t nal[COUNT*2];
|
|
H264Context h;
|
|
memset(&h, 0, sizeof(H264Context));
|
|
|
|
for(i=0; i<COUNT; i++){
|
|
int zeros= i;
|
|
int nal_length;
|
|
int consumed;
|
|
int out_length;
|
|
uint8_t *out;
|
|
int j;
|
|
|
|
for(j=0; j<COUNT; j++){
|
|
bitstream[j]= (random() % 255) + 1;
|
|
}
|
|
|
|
for(j=0; j<zeros; j++){
|
|
int pos= random() % COUNT;
|
|
while(bitstream[pos] == 0){
|
|
pos++;
|
|
pos %= COUNT;
|
|
}
|
|
bitstream[pos]=0;
|
|
}
|
|
|
|
START_TIMER
|
|
|
|
nal_length= encode_nal(&h, nal, bitstream, COUNT, COUNT*2);
|
|
if(nal_length<0){
|
|
printf("encoding failed\n");
|
|
return -1;
|
|
}
|
|
|
|
out= decode_nal(&h, nal, &out_length, &consumed, nal_length);
|
|
|
|
STOP_TIMER("NAL")
|
|
|
|
if(out_length != COUNT){
|
|
printf("incorrect length %d %d\n", out_length, COUNT);
|
|
return -1;
|
|
}
|
|
|
|
if(consumed != nal_length){
|
|
printf("incorrect consumed length %d %d\n", nal_length, consumed);
|
|
return -1;
|
|
}
|
|
|
|
if(memcmp(bitstream, out, COUNT)){
|
|
printf("missmatch\n");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
printf("Testing RBSP\n");
|
|
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
|
|
static int decode_end(AVCodecContext *avctx)
|
|
{
|
|
H264Context *h = avctx->priv_data;
|
|
MpegEncContext *s = &h->s;
|
|
|
|
free_tables(h); //FIXME cleanup init stuff perhaps
|
|
MPV_common_end(s);
|
|
|
|
// memset(h, 0, sizeof(H264Context));
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
AVCodec h264_decoder = {
|
|
"h264",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_H264,
|
|
sizeof(H264Context),
|
|
decode_init,
|
|
NULL,
|
|
decode_end,
|
|
decode_frame,
|
|
/*CODEC_CAP_DRAW_HORIZ_BAND |*/ CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
|
|
.flush= flush_dpb,
|
|
};
|
|
|
|
AVCodecParser h264_parser = {
|
|
{ CODEC_ID_H264 },
|
|
sizeof(H264Context),
|
|
NULL,
|
|
h264_parse,
|
|
ff_parse_close,
|
|
};
|
|
|
|
#include "svq3.c"
|