mirror of https://git.ffmpeg.org/ffmpeg.git
1352 lines
48 KiB
C
1352 lines
48 KiB
C
/*
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* This file is part of Libav.
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*
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* Libav 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 2.1 of the License, or (at your option) any later version.
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*
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* Libav 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 Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <va/va.h>
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#include <va/va_enc_h264.h>
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#include "libavutil/avassert.h"
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#include "libavutil/internal.h"
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#include "libavutil/opt.h"
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#include "libavutil/pixfmt.h"
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#include "avcodec.h"
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#include "h264.h"
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#include "h264_sei.h"
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#include "internal.h"
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#include "vaapi_encode.h"
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#include "vaapi_encode_h26x.h"
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enum {
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SLICE_TYPE_P = 0,
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SLICE_TYPE_B = 1,
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SLICE_TYPE_I = 2,
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SLICE_TYPE_SP = 3,
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SLICE_TYPE_SI = 4,
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};
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// This structure contains all possibly-useful per-sequence syntax elements
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// which are not already contained in the various VAAPI structures.
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typedef struct VAAPIEncodeH264MiscSequenceParams {
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unsigned int profile_idc;
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char constraint_set0_flag;
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char constraint_set1_flag;
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char constraint_set2_flag;
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char constraint_set3_flag;
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char constraint_set4_flag;
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char constraint_set5_flag;
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char separate_colour_plane_flag;
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char qpprime_y_zero_transform_bypass_flag;
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char gaps_in_frame_num_allowed_flag;
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char delta_pic_order_always_zero_flag;
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char bottom_field_pic_order_in_frame_present_flag;
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unsigned int num_slice_groups_minus1;
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unsigned int slice_group_map_type;
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int pic_init_qs_minus26;
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char overscan_info_present_flag;
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char overscan_appropriate_flag;
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char video_signal_type_present_flag;
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unsigned int video_format;
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char video_full_range_flag;
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char colour_description_present_flag;
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unsigned int colour_primaries;
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unsigned int transfer_characteristics;
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unsigned int matrix_coefficients;
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char chroma_loc_info_present_flag;
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unsigned int chroma_sample_loc_type_top_field;
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unsigned int chroma_sample_loc_type_bottom_field;
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// Some timing elements are in VAEncSequenceParameterBufferH264.
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char fixed_frame_rate_flag;
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char nal_hrd_parameters_present_flag;
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char vcl_hrd_parameters_present_flag;
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char low_delay_hrd_flag;
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char pic_struct_present_flag;
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char bitstream_restriction_flag;
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unsigned int cpb_cnt_minus1;
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unsigned int bit_rate_scale;
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unsigned int cpb_size_scale;
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unsigned int bit_rate_value_minus1[32];
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unsigned int cpb_size_value_minus1[32];
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char cbr_flag[32];
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unsigned int initial_cpb_removal_delay_length_minus1;
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unsigned int cpb_removal_delay_length_minus1;
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unsigned int dpb_output_delay_length_minus1;
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unsigned int time_offset_length;
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unsigned int initial_cpb_removal_delay;
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unsigned int initial_cpb_removal_delay_offset;
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unsigned int pic_struct;
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} VAAPIEncodeH264MiscSequenceParams;
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// This structure contains all possibly-useful per-slice syntax elements
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// which are not already contained in the various VAAPI structures.
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typedef struct VAAPIEncodeH264MiscSliceParams {
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unsigned int nal_unit_type;
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unsigned int nal_ref_idc;
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unsigned int colour_plane_id;
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char field_pic_flag;
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char bottom_field_flag;
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unsigned int redundant_pic_cnt;
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char sp_for_switch_flag;
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int slice_qs_delta;
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char ref_pic_list_modification_flag_l0;
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char ref_pic_list_modification_flag_l1;
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char no_output_of_prior_pics_flag;
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char long_term_reference_flag;
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char adaptive_ref_pic_marking_mode_flag;
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} VAAPIEncodeH264MiscSliceParams;
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typedef struct VAAPIEncodeH264Slice {
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VAAPIEncodeH264MiscSliceParams misc_slice_params;
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} VAAPIEncodeH264Slice;
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typedef struct VAAPIEncodeH264Context {
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VAAPIEncodeH264MiscSequenceParams misc_sequence_params;
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int mb_width;
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int mb_height;
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int fixed_qp_idr;
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int fixed_qp_p;
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int fixed_qp_b;
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int next_frame_num;
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int64_t idr_pic_count;
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int cpb_delay;
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int dpb_delay;
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// Rate control configuration.
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int send_timing_sei;
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struct {
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VAEncMiscParameterBuffer misc;
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VAEncMiscParameterRateControl rc;
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} rc_params;
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struct {
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VAEncMiscParameterBuffer misc;
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VAEncMiscParameterHRD hrd;
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} hrd_params;
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#if VA_CHECK_VERSION(0, 36, 0)
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// Speed-quality tradeoff setting.
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struct {
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VAEncMiscParameterBuffer misc;
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VAEncMiscParameterBufferQualityLevel quality;
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} quality_params;
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#endif
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} VAAPIEncodeH264Context;
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typedef struct VAAPIEncodeH264Options {
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int qp;
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int quality;
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int low_power;
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} VAAPIEncodeH264Options;
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#define vseq_var(name) vseq->name, name
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#define vseq_field(name) vseq->seq_fields.bits.name, name
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#define vvui_field(name) vseq->vui_fields.bits.name, name
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#define vpic_var(name) vpic->name, name
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#define vpic_field(name) vpic->pic_fields.bits.name, name
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#define vslice_var(name) vslice->name, name
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#define vslice_field(name) vslice->slice_fields.bits.name, name
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#define mseq_var(name) mseq->name, name
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#define mslice_var(name) mslice->name, name
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static void vaapi_encode_h264_write_nal_header(PutBitContext *pbc,
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int nal_unit_type, int nal_ref_idc)
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{
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u(1, 0, forbidden_zero_bit);
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u(2, nal_ref_idc, nal_ref_idc);
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u(5, nal_unit_type, nal_unit_type);
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}
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static void vaapi_encode_h264_write_trailing_rbsp(PutBitContext *pbc)
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{
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u(1, 1, rbsp_stop_one_bit);
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while (put_bits_count(pbc) & 7)
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u(1, 0, rbsp_alignment_zero_bit);
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}
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static void vaapi_encode_h264_write_vui(PutBitContext *pbc,
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VAAPIEncodeContext *ctx)
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{
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VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
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VAAPIEncodeH264Context *priv = ctx->priv_data;
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VAAPIEncodeH264MiscSequenceParams *mseq = &priv->misc_sequence_params;
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int i;
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u(1, vvui_field(aspect_ratio_info_present_flag));
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if (vseq->vui_fields.bits.aspect_ratio_info_present_flag) {
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u(8, vseq_var(aspect_ratio_idc));
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if (vseq->aspect_ratio_idc == 255) {
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u(16, vseq_var(sar_width));
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u(16, vseq_var(sar_height));
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}
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}
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u(1, mseq_var(overscan_info_present_flag));
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if (mseq->overscan_info_present_flag)
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u(1, mseq_var(overscan_appropriate_flag));
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u(1, mseq_var(video_signal_type_present_flag));
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if (mseq->video_signal_type_present_flag) {
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u(3, mseq_var(video_format));
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u(1, mseq_var(video_full_range_flag));
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u(1, mseq_var(colour_description_present_flag));
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if (mseq->colour_description_present_flag) {
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u(8, mseq_var(colour_primaries));
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u(8, mseq_var(transfer_characteristics));
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u(8, mseq_var(matrix_coefficients));
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}
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}
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u(1, mseq_var(chroma_loc_info_present_flag));
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if (mseq->chroma_loc_info_present_flag) {
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ue(mseq_var(chroma_sample_loc_type_top_field));
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ue(mseq_var(chroma_sample_loc_type_bottom_field));
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}
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u(1, vvui_field(timing_info_present_flag));
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if (vseq->vui_fields.bits.timing_info_present_flag) {
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u(32, vseq_var(num_units_in_tick));
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u(32, vseq_var(time_scale));
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u(1, mseq_var(fixed_frame_rate_flag));
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}
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u(1, mseq_var(nal_hrd_parameters_present_flag));
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if (mseq->nal_hrd_parameters_present_flag) {
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ue(mseq_var(cpb_cnt_minus1));
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u(4, mseq_var(bit_rate_scale));
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u(4, mseq_var(cpb_size_scale));
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for (i = 0; i <= mseq->cpb_cnt_minus1; i++) {
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ue(mseq_var(bit_rate_value_minus1[i]));
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ue(mseq_var(cpb_size_value_minus1[i]));
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u(1, mseq_var(cbr_flag[i]));
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}
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u(5, mseq_var(initial_cpb_removal_delay_length_minus1));
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u(5, mseq_var(cpb_removal_delay_length_minus1));
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u(5, mseq_var(dpb_output_delay_length_minus1));
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u(5, mseq_var(time_offset_length));
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}
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u(1, mseq_var(vcl_hrd_parameters_present_flag));
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if (mseq->vcl_hrd_parameters_present_flag) {
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av_assert0(0 && "vcl hrd parameters not supported");
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}
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if (mseq->nal_hrd_parameters_present_flag ||
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mseq->vcl_hrd_parameters_present_flag)
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u(1, mseq_var(low_delay_hrd_flag));
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u(1, mseq_var(pic_struct_present_flag));
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u(1, vvui_field(bitstream_restriction_flag));
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if (vseq->vui_fields.bits.bitstream_restriction_flag) {
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av_assert0(0 && "bitstream restrictions not supported");
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}
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}
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static void vaapi_encode_h264_write_sps(PutBitContext *pbc,
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VAAPIEncodeContext *ctx)
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{
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VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
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VAAPIEncodeH264Context *priv = ctx->priv_data;
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VAAPIEncodeH264MiscSequenceParams *mseq = &priv->misc_sequence_params;
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int i;
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vaapi_encode_h264_write_nal_header(pbc, H264_NAL_SPS, 3);
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u(8, mseq_var(profile_idc));
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u(1, mseq_var(constraint_set0_flag));
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u(1, mseq_var(constraint_set1_flag));
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u(1, mseq_var(constraint_set2_flag));
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u(1, mseq_var(constraint_set3_flag));
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u(1, mseq_var(constraint_set4_flag));
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u(1, mseq_var(constraint_set5_flag));
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u(2, 0, reserved_zero_2bits);
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u(8, vseq_var(level_idc));
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ue(vseq_var(seq_parameter_set_id));
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if (mseq->profile_idc == 100 || mseq->profile_idc == 110 ||
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mseq->profile_idc == 122 || mseq->profile_idc == 244 ||
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mseq->profile_idc == 44 || mseq->profile_idc == 83 ||
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mseq->profile_idc == 86 || mseq->profile_idc == 118 ||
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mseq->profile_idc == 128 || mseq->profile_idc == 138) {
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ue(vseq_field(chroma_format_idc));
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if (vseq->seq_fields.bits.chroma_format_idc == 3)
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u(1, mseq_var(separate_colour_plane_flag));
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ue(vseq_var(bit_depth_luma_minus8));
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ue(vseq_var(bit_depth_chroma_minus8));
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u(1, mseq_var(qpprime_y_zero_transform_bypass_flag));
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u(1, vseq_field(seq_scaling_matrix_present_flag));
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if (vseq->seq_fields.bits.seq_scaling_matrix_present_flag) {
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av_assert0(0 && "scaling matrices not supported");
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}
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}
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ue(vseq_field(log2_max_frame_num_minus4));
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ue(vseq_field(pic_order_cnt_type));
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if (vseq->seq_fields.bits.pic_order_cnt_type == 0) {
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ue(vseq_field(log2_max_pic_order_cnt_lsb_minus4));
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} else if (vseq->seq_fields.bits.pic_order_cnt_type == 1) {
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u(1, mseq_var(delta_pic_order_always_zero_flag));
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se(vseq_var(offset_for_non_ref_pic));
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se(vseq_var(offset_for_top_to_bottom_field));
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ue(vseq_var(num_ref_frames_in_pic_order_cnt_cycle));
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for (i = 0; i < vseq->num_ref_frames_in_pic_order_cnt_cycle; i++)
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se(vseq_var(offset_for_ref_frame[i]));
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}
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ue(vseq_var(max_num_ref_frames));
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u(1, mseq_var(gaps_in_frame_num_allowed_flag));
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ue(vseq->picture_width_in_mbs - 1, pic_width_in_mbs_minus1);
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ue(vseq->picture_height_in_mbs - 1, pic_height_in_mbs_minus1);
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u(1, vseq_field(frame_mbs_only_flag));
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if (!vseq->seq_fields.bits.frame_mbs_only_flag)
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u(1, vseq_field(mb_adaptive_frame_field_flag));
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u(1, vseq_field(direct_8x8_inference_flag));
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u(1, vseq_var(frame_cropping_flag));
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if (vseq->frame_cropping_flag) {
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ue(vseq_var(frame_crop_left_offset));
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ue(vseq_var(frame_crop_right_offset));
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ue(vseq_var(frame_crop_top_offset));
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ue(vseq_var(frame_crop_bottom_offset));
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}
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u(1, vseq_var(vui_parameters_present_flag));
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if (vseq->vui_parameters_present_flag)
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vaapi_encode_h264_write_vui(pbc, ctx);
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vaapi_encode_h264_write_trailing_rbsp(pbc);
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}
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static void vaapi_encode_h264_write_pps(PutBitContext *pbc,
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VAAPIEncodeContext *ctx)
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{
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VAEncPictureParameterBufferH264 *vpic = ctx->codec_picture_params;
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VAAPIEncodeH264Context *priv = ctx->priv_data;
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VAAPIEncodeH264MiscSequenceParams *mseq = &priv->misc_sequence_params;
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vaapi_encode_h264_write_nal_header(pbc, H264_NAL_PPS, 3);
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ue(vpic_var(pic_parameter_set_id));
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ue(vpic_var(seq_parameter_set_id));
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u(1, vpic_field(entropy_coding_mode_flag));
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u(1, mseq_var(bottom_field_pic_order_in_frame_present_flag));
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ue(mseq_var(num_slice_groups_minus1));
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if (mseq->num_slice_groups_minus1 > 0) {
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ue(mseq_var(slice_group_map_type));
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av_assert0(0 && "slice groups not supported");
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}
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ue(vpic_var(num_ref_idx_l0_active_minus1));
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ue(vpic_var(num_ref_idx_l1_active_minus1));
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u(1, vpic_field(weighted_pred_flag));
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u(2, vpic_field(weighted_bipred_idc));
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se(vpic->pic_init_qp - 26, pic_init_qp_minus26);
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se(mseq_var(pic_init_qs_minus26));
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se(vpic_var(chroma_qp_index_offset));
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u(1, vpic_field(deblocking_filter_control_present_flag));
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u(1, vpic_field(constrained_intra_pred_flag));
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u(1, vpic_field(redundant_pic_cnt_present_flag));
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u(1, vpic_field(transform_8x8_mode_flag));
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u(1, vpic_field(pic_scaling_matrix_present_flag));
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if (vpic->pic_fields.bits.pic_scaling_matrix_present_flag) {
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av_assert0(0 && "scaling matrices not supported");
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}
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se(vpic_var(second_chroma_qp_index_offset));
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vaapi_encode_h264_write_trailing_rbsp(pbc);
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}
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static void vaapi_encode_h264_write_slice_header2(PutBitContext *pbc,
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VAAPIEncodeContext *ctx,
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VAAPIEncodePicture *pic,
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VAAPIEncodeSlice *slice)
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{
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VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
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VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
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VAEncSliceParameterBufferH264 *vslice = slice->codec_slice_params;
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VAAPIEncodeH264Context *priv = ctx->priv_data;
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VAAPIEncodeH264MiscSequenceParams *mseq = &priv->misc_sequence_params;
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VAAPIEncodeH264Slice *pslice = slice->priv_data;
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VAAPIEncodeH264MiscSliceParams *mslice = &pslice->misc_slice_params;
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vaapi_encode_h264_write_nal_header(pbc, mslice->nal_unit_type,
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mslice->nal_ref_idc);
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ue(vslice->macroblock_address, first_mb_in_slice);
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ue(vslice_var(slice_type));
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ue(vpic_var(pic_parameter_set_id));
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if (mseq->separate_colour_plane_flag) {
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u(2, mslice_var(colour_plane_id));
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}
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u(4 + vseq->seq_fields.bits.log2_max_frame_num_minus4,
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(vpic->frame_num &
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((1 << (4 + vseq->seq_fields.bits.log2_max_frame_num_minus4)) - 1)),
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frame_num);
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if (!vseq->seq_fields.bits.frame_mbs_only_flag) {
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u(1, mslice_var(field_pic_flag));
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if (mslice->field_pic_flag)
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u(1, mslice_var(bottom_field_flag));
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}
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if (vpic->pic_fields.bits.idr_pic_flag) {
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ue(vslice_var(idr_pic_id));
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|
}
|
|
|
|
if (vseq->seq_fields.bits.pic_order_cnt_type == 0) {
|
|
u(4 + vseq->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4,
|
|
vslice_var(pic_order_cnt_lsb));
|
|
if (mseq->bottom_field_pic_order_in_frame_present_flag &&
|
|
!mslice->field_pic_flag) {
|
|
se(vslice_var(delta_pic_order_cnt_bottom));
|
|
}
|
|
}
|
|
|
|
if (vseq->seq_fields.bits.pic_order_cnt_type == 1 &&
|
|
!vseq->seq_fields.bits.delta_pic_order_always_zero_flag) {
|
|
se(vslice_var(delta_pic_order_cnt[0]));
|
|
if (mseq->bottom_field_pic_order_in_frame_present_flag &&
|
|
!mslice->field_pic_flag) {
|
|
se(vslice_var(delta_pic_order_cnt[1]));
|
|
}
|
|
}
|
|
|
|
if (vpic->pic_fields.bits.redundant_pic_cnt_present_flag) {
|
|
ue(mslice_var(redundant_pic_cnt));
|
|
}
|
|
|
|
if (vslice->slice_type == SLICE_TYPE_B) {
|
|
u(1, vslice_var(direct_spatial_mv_pred_flag));
|
|
}
|
|
|
|
if (vslice->slice_type == SLICE_TYPE_P ||
|
|
vslice->slice_type == SLICE_TYPE_SP ||
|
|
vslice->slice_type == SLICE_TYPE_B) {
|
|
u(1, vslice_var(num_ref_idx_active_override_flag));
|
|
if (vslice->num_ref_idx_active_override_flag) {
|
|
ue(vslice_var(num_ref_idx_l0_active_minus1));
|
|
if (vslice->slice_type == SLICE_TYPE_B)
|
|
ue(vslice_var(num_ref_idx_l1_active_minus1));
|
|
}
|
|
}
|
|
|
|
if (mslice->nal_unit_type == 20 || mslice->nal_unit_type == 21) {
|
|
av_assert0(0 && "no MVC support");
|
|
} else {
|
|
if (vslice->slice_type % 5 != 2 && vslice->slice_type % 5 != 4) {
|
|
u(1, mslice_var(ref_pic_list_modification_flag_l0));
|
|
if (mslice->ref_pic_list_modification_flag_l0) {
|
|
av_assert0(0 && "ref pic list modification");
|
|
}
|
|
}
|
|
if (vslice->slice_type % 5 == 1) {
|
|
u(1, mslice_var(ref_pic_list_modification_flag_l1));
|
|
if (mslice->ref_pic_list_modification_flag_l1) {
|
|
av_assert0(0 && "ref pic list modification");
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((vpic->pic_fields.bits.weighted_pred_flag &&
|
|
(vslice->slice_type == SLICE_TYPE_P ||
|
|
vslice->slice_type == SLICE_TYPE_SP)) ||
|
|
(vpic->pic_fields.bits.weighted_bipred_idc == 1 &&
|
|
vslice->slice_type == SLICE_TYPE_B)) {
|
|
av_assert0(0 && "prediction weights not supported");
|
|
}
|
|
|
|
av_assert0(mslice->nal_ref_idc > 0 ==
|
|
vpic->pic_fields.bits.reference_pic_flag);
|
|
if (mslice->nal_ref_idc != 0) {
|
|
if (vpic->pic_fields.bits.idr_pic_flag) {
|
|
u(1, mslice_var(no_output_of_prior_pics_flag));
|
|
u(1, mslice_var(long_term_reference_flag));
|
|
} else {
|
|
u(1, mslice_var(adaptive_ref_pic_marking_mode_flag));
|
|
if (mslice->adaptive_ref_pic_marking_mode_flag) {
|
|
av_assert0(0 && "MMCOs not supported");
|
|
}
|
|
}
|
|
}
|
|
|
|
if (vpic->pic_fields.bits.entropy_coding_mode_flag &&
|
|
vslice->slice_type != SLICE_TYPE_I &&
|
|
vslice->slice_type != SLICE_TYPE_SI) {
|
|
ue(vslice_var(cabac_init_idc));
|
|
}
|
|
|
|
se(vslice_var(slice_qp_delta));
|
|
if (vslice->slice_type == SLICE_TYPE_SP ||
|
|
vslice->slice_type == SLICE_TYPE_SI) {
|
|
if (vslice->slice_type == SLICE_TYPE_SP)
|
|
u(1, mslice_var(sp_for_switch_flag));
|
|
se(mslice_var(slice_qs_delta));
|
|
}
|
|
|
|
if (vpic->pic_fields.bits.deblocking_filter_control_present_flag) {
|
|
ue(vslice_var(disable_deblocking_filter_idc));
|
|
if (vslice->disable_deblocking_filter_idc != 1) {
|
|
se(vslice_var(slice_alpha_c0_offset_div2));
|
|
se(vslice_var(slice_beta_offset_div2));
|
|
}
|
|
}
|
|
|
|
if (mseq->num_slice_groups_minus1 > 0 &&
|
|
mseq->slice_group_map_type >= 3 && mseq->slice_group_map_type <= 5) {
|
|
av_assert0(0 && "slice groups not supported");
|
|
}
|
|
|
|
// No alignment - this need not be a byte boundary.
|
|
}
|
|
|
|
static void vaapi_encode_h264_write_buffering_period(PutBitContext *pbc,
|
|
VAAPIEncodeContext *ctx,
|
|
VAAPIEncodePicture *pic)
|
|
{
|
|
VAAPIEncodeH264Context *priv = ctx->priv_data;
|
|
VAAPIEncodeH264MiscSequenceParams *mseq = &priv->misc_sequence_params;
|
|
VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
|
|
int i;
|
|
|
|
ue(vpic_var(seq_parameter_set_id));
|
|
|
|
if (mseq->nal_hrd_parameters_present_flag) {
|
|
for (i = 0; i <= mseq->cpb_cnt_minus1; i++) {
|
|
u(mseq->initial_cpb_removal_delay_length_minus1 + 1,
|
|
mseq_var(initial_cpb_removal_delay));
|
|
u(mseq->initial_cpb_removal_delay_length_minus1 + 1,
|
|
mseq_var(initial_cpb_removal_delay_offset));
|
|
}
|
|
}
|
|
if (mseq->vcl_hrd_parameters_present_flag) {
|
|
av_assert0(0 && "vcl hrd parameters not supported");
|
|
}
|
|
}
|
|
|
|
static void vaapi_encode_h264_write_pic_timing(PutBitContext *pbc,
|
|
VAAPIEncodeContext *ctx,
|
|
VAAPIEncodePicture *pic)
|
|
{
|
|
VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
|
|
VAAPIEncodeH264Context *priv = ctx->priv_data;
|
|
VAAPIEncodeH264MiscSequenceParams *mseq = &priv->misc_sequence_params;
|
|
int i, num_clock_ts;
|
|
|
|
if (mseq->nal_hrd_parameters_present_flag ||
|
|
mseq->vcl_hrd_parameters_present_flag) {
|
|
u(mseq->cpb_removal_delay_length_minus1 + 1,
|
|
2 * vseq->num_units_in_tick * priv->cpb_delay,
|
|
cpb_removal_delay);
|
|
u(mseq->dpb_output_delay_length_minus1 + 1,
|
|
2 * vseq->num_units_in_tick * priv->dpb_delay,
|
|
dpb_output_delay);
|
|
}
|
|
if (mseq->pic_struct_present_flag) {
|
|
u(4, mseq_var(pic_struct));
|
|
num_clock_ts = (mseq->pic_struct <= 2 ? 1 :
|
|
mseq->pic_struct <= 4 ? 2 :
|
|
mseq->pic_struct <= 8 ? 3 : 0);
|
|
for (i = 0; i < num_clock_ts; i++) {
|
|
u(1, 0, clock_timestamp_flag[i]);
|
|
// No full timestamp information.
|
|
}
|
|
}
|
|
}
|
|
|
|
static void vaapi_encode_h264_write_identifier(PutBitContext *pbc,
|
|
VAAPIEncodeContext *ctx,
|
|
VAAPIEncodePicture *pic)
|
|
{
|
|
const char *lavc = LIBAVCODEC_IDENT;
|
|
const char *vaapi = VA_VERSION_S;
|
|
const char *driver = vaQueryVendorString(ctx->hwctx->display);
|
|
char tmp[256];
|
|
int i;
|
|
|
|
// Random (version 4) ISO 11578 UUID.
|
|
uint8_t uuid[16] = {
|
|
0x59, 0x94, 0x8b, 0x28, 0x11, 0xec, 0x45, 0xaf,
|
|
0x96, 0x75, 0x19, 0xd4, 0x1f, 0xea, 0xa9, 0x4d,
|
|
};
|
|
|
|
for (i = 0; i < 16; i++)
|
|
u(8, uuid[i], uuid_iso_iec_11578);
|
|
|
|
snprintf(tmp, sizeof(tmp), "%s / VAAPI %s / %s", lavc, vaapi, driver);
|
|
for (i = 0; i < sizeof(tmp) && tmp[i]; i++)
|
|
u(8, tmp[i], user_data_payload_byte);
|
|
}
|
|
|
|
static void vaapi_encode_h264_write_sei(PutBitContext *pbc,
|
|
VAAPIEncodeContext *ctx,
|
|
VAAPIEncodePicture *pic)
|
|
{
|
|
VAAPIEncodeH264Context *priv = ctx->priv_data;
|
|
PutBitContext payload_bits;
|
|
char payload[256];
|
|
int payload_type, payload_size, i;
|
|
void (*write_payload)(PutBitContext *pbc,
|
|
VAAPIEncodeContext *ctx,
|
|
VAAPIEncodePicture *pic) = NULL;
|
|
|
|
vaapi_encode_h264_write_nal_header(pbc, H264_NAL_SEI, 0);
|
|
|
|
for (payload_type = 0; payload_type < 64; payload_type++) {
|
|
switch (payload_type) {
|
|
case SEI_TYPE_BUFFERING_PERIOD:
|
|
if (!priv->send_timing_sei ||
|
|
pic->type != PICTURE_TYPE_IDR)
|
|
continue;
|
|
write_payload = &vaapi_encode_h264_write_buffering_period;
|
|
break;
|
|
case SEI_TYPE_PIC_TIMING:
|
|
if (!priv->send_timing_sei)
|
|
continue;
|
|
write_payload = &vaapi_encode_h264_write_pic_timing;
|
|
break;
|
|
case SEI_TYPE_USER_DATA_UNREGISTERED:
|
|
if (pic->encode_order != 0)
|
|
continue;
|
|
write_payload = &vaapi_encode_h264_write_identifier;
|
|
break;
|
|
default:
|
|
continue;
|
|
}
|
|
|
|
init_put_bits(&payload_bits, payload, sizeof(payload));
|
|
write_payload(&payload_bits, ctx, pic);
|
|
if (put_bits_count(&payload_bits) & 7) {
|
|
write_u(&payload_bits, 1, 1, bit_equal_to_one);
|
|
while (put_bits_count(&payload_bits) & 7)
|
|
write_u(&payload_bits, 1, 0, bit_equal_to_zero);
|
|
}
|
|
payload_size = put_bits_count(&payload_bits) / 8;
|
|
flush_put_bits(&payload_bits);
|
|
|
|
u(8, payload_type, last_payload_type_byte);
|
|
u(8, payload_size, last_payload_size_byte);
|
|
for (i = 0; i < payload_size; i++)
|
|
u(8, payload[i] & 0xff, sei_payload);
|
|
}
|
|
|
|
vaapi_encode_h264_write_trailing_rbsp(pbc);
|
|
}
|
|
|
|
static int vaapi_encode_h264_write_sequence_header(AVCodecContext *avctx,
|
|
char *data, size_t *data_len)
|
|
{
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
PutBitContext pbc;
|
|
char tmp[256];
|
|
int err;
|
|
size_t nal_len, bit_len, bit_pos, next_len;
|
|
|
|
bit_len = *data_len;
|
|
bit_pos = 0;
|
|
|
|
init_put_bits(&pbc, tmp, sizeof(tmp));
|
|
vaapi_encode_h264_write_sps(&pbc, ctx);
|
|
nal_len = put_bits_count(&pbc);
|
|
flush_put_bits(&pbc);
|
|
|
|
next_len = bit_len - bit_pos;
|
|
err = ff_vaapi_encode_h26x_nal_unit_to_byte_stream(data + bit_pos / 8,
|
|
&next_len,
|
|
tmp, nal_len);
|
|
if (err < 0)
|
|
return err;
|
|
bit_pos += next_len;
|
|
|
|
init_put_bits(&pbc, tmp, sizeof(tmp));
|
|
vaapi_encode_h264_write_pps(&pbc, ctx);
|
|
nal_len = put_bits_count(&pbc);
|
|
flush_put_bits(&pbc);
|
|
|
|
next_len = bit_len - bit_pos;
|
|
err = ff_vaapi_encode_h26x_nal_unit_to_byte_stream(data + bit_pos / 8,
|
|
&next_len,
|
|
tmp, nal_len);
|
|
if (err < 0)
|
|
return err;
|
|
bit_pos += next_len;
|
|
|
|
*data_len = bit_pos;
|
|
return 0;
|
|
}
|
|
|
|
static int vaapi_encode_h264_write_slice_header(AVCodecContext *avctx,
|
|
VAAPIEncodePicture *pic,
|
|
VAAPIEncodeSlice *slice,
|
|
char *data, size_t *data_len)
|
|
{
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
PutBitContext pbc;
|
|
char tmp[256];
|
|
size_t header_len;
|
|
|
|
init_put_bits(&pbc, tmp, sizeof(tmp));
|
|
vaapi_encode_h264_write_slice_header2(&pbc, ctx, pic, slice);
|
|
header_len = put_bits_count(&pbc);
|
|
flush_put_bits(&pbc);
|
|
|
|
return ff_vaapi_encode_h26x_nal_unit_to_byte_stream(data, data_len,
|
|
tmp, header_len);
|
|
}
|
|
|
|
static int vaapi_encode_h264_write_extra_header(AVCodecContext *avctx,
|
|
VAAPIEncodePicture *pic,
|
|
int index, int *type,
|
|
char *data, size_t *data_len)
|
|
{
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
PutBitContext pbc;
|
|
char tmp[256];
|
|
size_t header_len;
|
|
|
|
if (index == 0 && ctx->va_rc_mode == VA_RC_CBR) {
|
|
*type = VAEncPackedHeaderH264_SEI;
|
|
|
|
init_put_bits(&pbc, tmp, sizeof(tmp));
|
|
vaapi_encode_h264_write_sei(&pbc, ctx, pic);
|
|
header_len = put_bits_count(&pbc);
|
|
flush_put_bits(&pbc);
|
|
|
|
return ff_vaapi_encode_h26x_nal_unit_to_byte_stream(data, data_len,
|
|
tmp, header_len);
|
|
|
|
} else {
|
|
return AVERROR_EOF;
|
|
}
|
|
}
|
|
|
|
static int vaapi_encode_h264_init_sequence_params(AVCodecContext *avctx)
|
|
{
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
|
|
VAEncPictureParameterBufferH264 *vpic = ctx->codec_picture_params;
|
|
VAAPIEncodeH264Context *priv = ctx->priv_data;
|
|
VAAPIEncodeH264MiscSequenceParams *mseq = &priv->misc_sequence_params;
|
|
int i;
|
|
|
|
{
|
|
vseq->seq_parameter_set_id = 0;
|
|
|
|
vseq->level_idc = avctx->level;
|
|
|
|
vseq->max_num_ref_frames = 2;
|
|
|
|
vseq->picture_width_in_mbs = priv->mb_width;
|
|
vseq->picture_height_in_mbs = priv->mb_height;
|
|
|
|
vseq->seq_fields.bits.chroma_format_idc = 1;
|
|
vseq->seq_fields.bits.frame_mbs_only_flag = 1;
|
|
vseq->seq_fields.bits.direct_8x8_inference_flag = 1;
|
|
vseq->seq_fields.bits.log2_max_frame_num_minus4 = 4;
|
|
vseq->seq_fields.bits.pic_order_cnt_type = 0;
|
|
|
|
if (ctx->input_width != ctx->aligned_width ||
|
|
ctx->input_height != ctx->aligned_height) {
|
|
vseq->frame_cropping_flag = 1;
|
|
|
|
vseq->frame_crop_left_offset = 0;
|
|
vseq->frame_crop_right_offset =
|
|
(ctx->aligned_width - ctx->input_width) / 2;
|
|
vseq->frame_crop_top_offset = 0;
|
|
vseq->frame_crop_bottom_offset =
|
|
(ctx->aligned_height - ctx->input_height) / 2;
|
|
} else {
|
|
vseq->frame_cropping_flag = 0;
|
|
}
|
|
|
|
vseq->vui_parameters_present_flag = 1;
|
|
if (avctx->sample_aspect_ratio.num != 0) {
|
|
vseq->vui_fields.bits.aspect_ratio_info_present_flag = 1;
|
|
// There is a large enum of these which we could support
|
|
// individually rather than using the generic X/Y form?
|
|
if (avctx->sample_aspect_ratio.num ==
|
|
avctx->sample_aspect_ratio.den) {
|
|
vseq->aspect_ratio_idc = 1;
|
|
} else {
|
|
vseq->aspect_ratio_idc = 255; // Extended SAR.
|
|
vseq->sar_width = avctx->sample_aspect_ratio.num;
|
|
vseq->sar_height = avctx->sample_aspect_ratio.den;
|
|
}
|
|
}
|
|
if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
|
|
avctx->color_trc != AVCOL_TRC_UNSPECIFIED ||
|
|
avctx->colorspace != AVCOL_SPC_UNSPECIFIED) {
|
|
mseq->video_signal_type_present_flag = 1;
|
|
mseq->video_format = 5; // Unspecified.
|
|
mseq->video_full_range_flag = 0;
|
|
mseq->colour_description_present_flag = 1;
|
|
// These enums are derived from the standard and hence
|
|
// we can just use the values directly.
|
|
mseq->colour_primaries = avctx->color_primaries;
|
|
mseq->transfer_characteristics = avctx->color_trc;
|
|
mseq->matrix_coefficients = avctx->colorspace;
|
|
}
|
|
|
|
vseq->bits_per_second = avctx->bit_rate;
|
|
|
|
vseq->vui_fields.bits.timing_info_present_flag = 1;
|
|
if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
|
|
vseq->num_units_in_tick = avctx->framerate.num;
|
|
vseq->time_scale = 2 * avctx->framerate.den;
|
|
mseq->fixed_frame_rate_flag = 1;
|
|
} else {
|
|
vseq->num_units_in_tick = avctx->time_base.num;
|
|
vseq->time_scale = 2 * avctx->time_base.den;
|
|
mseq->fixed_frame_rate_flag = 0;
|
|
}
|
|
|
|
if (ctx->va_rc_mode == VA_RC_CBR) {
|
|
priv->send_timing_sei = 1;
|
|
mseq->nal_hrd_parameters_present_flag = 1;
|
|
|
|
mseq->cpb_cnt_minus1 = 0;
|
|
|
|
// Try to scale these to a sensible range so that the
|
|
// golomb encode of the value is not overlong.
|
|
mseq->bit_rate_scale =
|
|
av_clip_uintp2(av_log2(avctx->bit_rate) - 15 - 6, 4);
|
|
mseq->bit_rate_value_minus1[0] =
|
|
(avctx->bit_rate >> mseq->bit_rate_scale + 6) - 1;
|
|
|
|
mseq->cpb_size_scale =
|
|
av_clip_uintp2(av_log2(priv->hrd_params.hrd.buffer_size) - 15 - 4, 4);
|
|
mseq->cpb_size_value_minus1[0] =
|
|
(priv->hrd_params.hrd.buffer_size >> mseq->cpb_size_scale + 4) - 1;
|
|
|
|
// CBR mode isn't actually available here, despite naming.
|
|
mseq->cbr_flag[0] = 0;
|
|
|
|
mseq->initial_cpb_removal_delay_length_minus1 = 23;
|
|
mseq->cpb_removal_delay_length_minus1 = 23;
|
|
mseq->dpb_output_delay_length_minus1 = 7;
|
|
mseq->time_offset_length = 0;
|
|
|
|
// This calculation can easily overflow 32 bits.
|
|
mseq->initial_cpb_removal_delay = 90000 *
|
|
(uint64_t)priv->hrd_params.hrd.initial_buffer_fullness /
|
|
priv->hrd_params.hrd.buffer_size;
|
|
|
|
mseq->initial_cpb_removal_delay_offset = 0;
|
|
} else {
|
|
priv->send_timing_sei = 0;
|
|
mseq->nal_hrd_parameters_present_flag = 0;
|
|
}
|
|
|
|
vseq->intra_period = ctx->p_per_i * (ctx->b_per_p + 1);
|
|
vseq->intra_idr_period = vseq->intra_period;
|
|
vseq->ip_period = ctx->b_per_p + 1;
|
|
}
|
|
|
|
{
|
|
vpic->CurrPic.picture_id = VA_INVALID_ID;
|
|
vpic->CurrPic.flags = VA_PICTURE_H264_INVALID;
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(vpic->ReferenceFrames); i++) {
|
|
vpic->ReferenceFrames[i].picture_id = VA_INVALID_ID;
|
|
vpic->ReferenceFrames[i].flags = VA_PICTURE_H264_INVALID;
|
|
}
|
|
|
|
vpic->coded_buf = VA_INVALID_ID;
|
|
|
|
vpic->pic_parameter_set_id = 0;
|
|
vpic->seq_parameter_set_id = 0;
|
|
|
|
vpic->num_ref_idx_l0_active_minus1 = 0;
|
|
vpic->num_ref_idx_l1_active_minus1 = 0;
|
|
|
|
vpic->pic_fields.bits.entropy_coding_mode_flag =
|
|
((avctx->profile & 0xff) != 66);
|
|
vpic->pic_fields.bits.weighted_pred_flag = 0;
|
|
vpic->pic_fields.bits.weighted_bipred_idc = 0;
|
|
vpic->pic_fields.bits.transform_8x8_mode_flag =
|
|
((avctx->profile & 0xff) >= 100);
|
|
|
|
vpic->pic_init_qp = priv->fixed_qp_idr;
|
|
}
|
|
|
|
{
|
|
mseq->profile_idc = avctx->profile & 0xff;
|
|
|
|
if (avctx->profile & FF_PROFILE_H264_CONSTRAINED)
|
|
mseq->constraint_set1_flag = 1;
|
|
if (avctx->profile & FF_PROFILE_H264_INTRA)
|
|
mseq->constraint_set3_flag = 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vaapi_encode_h264_init_picture_params(AVCodecContext *avctx,
|
|
VAAPIEncodePicture *pic)
|
|
{
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
|
|
VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
|
|
VAAPIEncodeH264Context *priv = ctx->priv_data;
|
|
int i;
|
|
|
|
if (pic->type == PICTURE_TYPE_IDR) {
|
|
av_assert0(pic->display_order == pic->encode_order);
|
|
vpic->frame_num = 0;
|
|
priv->next_frame_num = 1;
|
|
priv->cpb_delay = 0;
|
|
} else {
|
|
vpic->frame_num = priv->next_frame_num;
|
|
if (pic->type != PICTURE_TYPE_B) {
|
|
// nal_ref_idc != 0
|
|
++priv->next_frame_num;
|
|
}
|
|
++priv->cpb_delay;
|
|
}
|
|
priv->dpb_delay = pic->display_order - pic->encode_order + 1;
|
|
|
|
vpic->frame_num = vpic->frame_num &
|
|
((1 << (4 + vseq->seq_fields.bits.log2_max_frame_num_minus4)) - 1);
|
|
|
|
vpic->CurrPic.picture_id = pic->recon_surface;
|
|
vpic->CurrPic.frame_idx = vpic->frame_num;
|
|
vpic->CurrPic.flags = 0;
|
|
vpic->CurrPic.TopFieldOrderCnt = pic->display_order;
|
|
vpic->CurrPic.BottomFieldOrderCnt = pic->display_order;
|
|
|
|
for (i = 0; i < pic->nb_refs; i++) {
|
|
VAAPIEncodePicture *ref = pic->refs[i];
|
|
av_assert0(ref && ref->encode_order < pic->encode_order);
|
|
vpic->ReferenceFrames[i].picture_id = ref->recon_surface;
|
|
vpic->ReferenceFrames[i].frame_idx = ref->encode_order;
|
|
vpic->ReferenceFrames[i].flags = VA_PICTURE_H264_SHORT_TERM_REFERENCE;
|
|
vpic->ReferenceFrames[i].TopFieldOrderCnt = ref->display_order;
|
|
vpic->ReferenceFrames[i].BottomFieldOrderCnt = ref->display_order;
|
|
}
|
|
for (; i < FF_ARRAY_ELEMS(vpic->ReferenceFrames); i++) {
|
|
vpic->ReferenceFrames[i].picture_id = VA_INVALID_ID;
|
|
vpic->ReferenceFrames[i].flags = VA_PICTURE_H264_INVALID;
|
|
}
|
|
|
|
vpic->coded_buf = pic->output_buffer;
|
|
|
|
vpic->pic_fields.bits.idr_pic_flag = (pic->type == PICTURE_TYPE_IDR);
|
|
vpic->pic_fields.bits.reference_pic_flag = (pic->type != PICTURE_TYPE_B);
|
|
|
|
pic->nb_slices = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vaapi_encode_h264_init_slice_params(AVCodecContext *avctx,
|
|
VAAPIEncodePicture *pic,
|
|
VAAPIEncodeSlice *slice)
|
|
{
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
|
|
VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
|
|
VAEncSliceParameterBufferH264 *vslice = slice->codec_slice_params;
|
|
VAAPIEncodeH264Context *priv = ctx->priv_data;
|
|
VAAPIEncodeH264Slice *pslice;
|
|
VAAPIEncodeH264MiscSliceParams *mslice;
|
|
int i;
|
|
|
|
slice->priv_data = av_mallocz(sizeof(*pslice));
|
|
if (!slice->priv_data)
|
|
return AVERROR(ENOMEM);
|
|
pslice = slice->priv_data;
|
|
mslice = &pslice->misc_slice_params;
|
|
|
|
if (pic->type == PICTURE_TYPE_IDR)
|
|
mslice->nal_unit_type = H264_NAL_IDR_SLICE;
|
|
else
|
|
mslice->nal_unit_type = H264_NAL_SLICE;
|
|
|
|
switch (pic->type) {
|
|
case PICTURE_TYPE_IDR:
|
|
vslice->slice_type = SLICE_TYPE_I;
|
|
mslice->nal_ref_idc = 3;
|
|
break;
|
|
case PICTURE_TYPE_I:
|
|
vslice->slice_type = SLICE_TYPE_I;
|
|
mslice->nal_ref_idc = 2;
|
|
break;
|
|
case PICTURE_TYPE_P:
|
|
vslice->slice_type = SLICE_TYPE_P;
|
|
mslice->nal_ref_idc = 1;
|
|
break;
|
|
case PICTURE_TYPE_B:
|
|
vslice->slice_type = SLICE_TYPE_B;
|
|
mslice->nal_ref_idc = 0;
|
|
break;
|
|
default:
|
|
av_assert0(0 && "invalid picture type");
|
|
}
|
|
|
|
// Only one slice per frame.
|
|
vslice->macroblock_address = 0;
|
|
vslice->num_macroblocks = priv->mb_width * priv->mb_height;
|
|
|
|
vslice->macroblock_info = VA_INVALID_ID;
|
|
|
|
vslice->pic_parameter_set_id = vpic->pic_parameter_set_id;
|
|
vslice->idr_pic_id = priv->idr_pic_count++;
|
|
|
|
vslice->pic_order_cnt_lsb = pic->display_order &
|
|
((1 << (4 + vseq->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4)) - 1);
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(vslice->RefPicList0); i++) {
|
|
vslice->RefPicList0[i].picture_id = VA_INVALID_ID;
|
|
vslice->RefPicList0[i].flags = VA_PICTURE_H264_INVALID;
|
|
vslice->RefPicList1[i].picture_id = VA_INVALID_ID;
|
|
vslice->RefPicList1[i].flags = VA_PICTURE_H264_INVALID;
|
|
}
|
|
|
|
av_assert0(pic->nb_refs <= 2);
|
|
if (pic->nb_refs >= 1) {
|
|
// Backward reference for P- or B-frame.
|
|
av_assert0(pic->type == PICTURE_TYPE_P ||
|
|
pic->type == PICTURE_TYPE_B);
|
|
|
|
vslice->num_ref_idx_l0_active_minus1 = 0;
|
|
vslice->RefPicList0[0] = vpic->ReferenceFrames[0];
|
|
}
|
|
if (pic->nb_refs >= 2) {
|
|
// Forward reference for B-frame.
|
|
av_assert0(pic->type == PICTURE_TYPE_B);
|
|
|
|
vslice->num_ref_idx_l1_active_minus1 = 0;
|
|
vslice->RefPicList1[0] = vpic->ReferenceFrames[1];
|
|
}
|
|
|
|
if (pic->type == PICTURE_TYPE_B)
|
|
vslice->slice_qp_delta = priv->fixed_qp_b - vpic->pic_init_qp;
|
|
else if (pic->type == PICTURE_TYPE_P)
|
|
vslice->slice_qp_delta = priv->fixed_qp_p - vpic->pic_init_qp;
|
|
else
|
|
vslice->slice_qp_delta = priv->fixed_qp_idr - vpic->pic_init_qp;
|
|
|
|
vslice->direct_spatial_mv_pred_flag = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold int vaapi_encode_h264_init_constant_bitrate(AVCodecContext *avctx)
|
|
{
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
VAAPIEncodeH264Context *priv = ctx->priv_data;
|
|
int hrd_buffer_size;
|
|
int hrd_initial_buffer_fullness;
|
|
|
|
if (avctx->rc_buffer_size)
|
|
hrd_buffer_size = avctx->rc_buffer_size;
|
|
else
|
|
hrd_buffer_size = avctx->bit_rate;
|
|
if (avctx->rc_initial_buffer_occupancy)
|
|
hrd_initial_buffer_fullness = avctx->rc_initial_buffer_occupancy;
|
|
else
|
|
hrd_initial_buffer_fullness = hrd_buffer_size * 3 / 4;
|
|
|
|
priv->rc_params.misc.type = VAEncMiscParameterTypeRateControl;
|
|
priv->rc_params.rc = (VAEncMiscParameterRateControl) {
|
|
.bits_per_second = avctx->bit_rate,
|
|
.target_percentage = 66,
|
|
.window_size = 1000,
|
|
.initial_qp = (avctx->qmax >= 0 ? avctx->qmax : 40),
|
|
.min_qp = (avctx->qmin >= 0 ? avctx->qmin : 18),
|
|
.basic_unit_size = 0,
|
|
};
|
|
ctx->global_params[ctx->nb_global_params] =
|
|
&priv->rc_params.misc;
|
|
ctx->global_params_size[ctx->nb_global_params++] =
|
|
sizeof(priv->rc_params);
|
|
|
|
priv->hrd_params.misc.type = VAEncMiscParameterTypeHRD;
|
|
priv->hrd_params.hrd = (VAEncMiscParameterHRD) {
|
|
.initial_buffer_fullness = hrd_initial_buffer_fullness,
|
|
.buffer_size = hrd_buffer_size,
|
|
};
|
|
ctx->global_params[ctx->nb_global_params] =
|
|
&priv->hrd_params.misc;
|
|
ctx->global_params_size[ctx->nb_global_params++] =
|
|
sizeof(priv->hrd_params);
|
|
|
|
// These still need to be set for pic_init_qp/slice_qp_delta.
|
|
priv->fixed_qp_idr = 26;
|
|
priv->fixed_qp_p = 26;
|
|
priv->fixed_qp_b = 26;
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "Using constant-bitrate = %d bps.\n",
|
|
avctx->bit_rate);
|
|
return 0;
|
|
}
|
|
|
|
static av_cold int vaapi_encode_h264_init_fixed_qp(AVCodecContext *avctx)
|
|
{
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
VAAPIEncodeH264Context *priv = ctx->priv_data;
|
|
VAAPIEncodeH264Options *opt = ctx->codec_options;
|
|
|
|
priv->fixed_qp_p = opt->qp;
|
|
if (avctx->i_quant_factor > 0.0)
|
|
priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor +
|
|
avctx->i_quant_offset) + 0.5);
|
|
else
|
|
priv->fixed_qp_idr = priv->fixed_qp_p;
|
|
if (avctx->b_quant_factor > 0.0)
|
|
priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor +
|
|
avctx->b_quant_offset) + 0.5);
|
|
else
|
|
priv->fixed_qp_b = priv->fixed_qp_p;
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "
|
|
"%d / %d / %d for IDR- / P- / B-frames.\n",
|
|
priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
|
|
return 0;
|
|
}
|
|
|
|
static av_cold int vaapi_encode_h264_init_internal(AVCodecContext *avctx)
|
|
{
|
|
static const VAConfigAttrib default_config_attributes[] = {
|
|
{ .type = VAConfigAttribRTFormat,
|
|
.value = VA_RT_FORMAT_YUV420 },
|
|
{ .type = VAConfigAttribEncPackedHeaders,
|
|
.value = (VA_ENC_PACKED_HEADER_SEQUENCE |
|
|
VA_ENC_PACKED_HEADER_SLICE) },
|
|
};
|
|
|
|
VAAPIEncodeContext *ctx = avctx->priv_data;
|
|
VAAPIEncodeH264Context *priv = ctx->priv_data;
|
|
VAAPIEncodeH264Options *opt = ctx->codec_options;
|
|
int i, err;
|
|
|
|
switch (avctx->profile) {
|
|
case FF_PROFILE_H264_CONSTRAINED_BASELINE:
|
|
ctx->va_profile = VAProfileH264ConstrainedBaseline;
|
|
break;
|
|
case FF_PROFILE_H264_BASELINE:
|
|
ctx->va_profile = VAProfileH264Baseline;
|
|
break;
|
|
case FF_PROFILE_H264_MAIN:
|
|
ctx->va_profile = VAProfileH264Main;
|
|
break;
|
|
case FF_PROFILE_H264_EXTENDED:
|
|
av_log(avctx, AV_LOG_ERROR, "H.264 extended profile "
|
|
"is not supported.\n");
|
|
return AVERROR_PATCHWELCOME;
|
|
case FF_PROFILE_UNKNOWN:
|
|
case FF_PROFILE_H264_HIGH:
|
|
ctx->va_profile = VAProfileH264High;
|
|
break;
|
|
case FF_PROFILE_H264_HIGH_10:
|
|
case FF_PROFILE_H264_HIGH_10_INTRA:
|
|
av_log(avctx, AV_LOG_ERROR, "H.264 10-bit profiles "
|
|
"are not supported.\n");
|
|
return AVERROR_PATCHWELCOME;
|
|
case FF_PROFILE_H264_HIGH_422:
|
|
case FF_PROFILE_H264_HIGH_422_INTRA:
|
|
case FF_PROFILE_H264_HIGH_444:
|
|
case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
|
|
case FF_PROFILE_H264_HIGH_444_INTRA:
|
|
case FF_PROFILE_H264_CAVLC_444:
|
|
av_log(avctx, AV_LOG_ERROR, "H.264 non-4:2:0 profiles "
|
|
"are not supported.\n");
|
|
return AVERROR_PATCHWELCOME;
|
|
default:
|
|
av_log(avctx, AV_LOG_ERROR, "Unknown H.264 profile %d.\n",
|
|
avctx->profile);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
if (opt->low_power) {
|
|
#if VA_CHECK_VERSION(0, 39, 1)
|
|
ctx->va_entrypoint = VAEntrypointEncSliceLP;
|
|
#else
|
|
av_log(avctx, AV_LOG_ERROR, "Low-power encoding is not "
|
|
"supported with this VAAPI version.\n");
|
|
return AVERROR(EINVAL);
|
|
#endif
|
|
} else {
|
|
ctx->va_entrypoint = VAEntrypointEncSlice;
|
|
}
|
|
|
|
ctx->input_width = avctx->width;
|
|
ctx->input_height = avctx->height;
|
|
ctx->aligned_width = FFALIGN(ctx->input_width, 16);
|
|
ctx->aligned_height = FFALIGN(ctx->input_height, 16);
|
|
priv->mb_width = ctx->aligned_width / 16;
|
|
priv->mb_height = ctx->aligned_height / 16;
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(default_config_attributes); i++) {
|
|
ctx->config_attributes[ctx->nb_config_attributes++] =
|
|
default_config_attributes[i];
|
|
}
|
|
|
|
if (avctx->bit_rate > 0) {
|
|
ctx->va_rc_mode = VA_RC_CBR;
|
|
err = vaapi_encode_h264_init_constant_bitrate(avctx);
|
|
} else {
|
|
ctx->va_rc_mode = VA_RC_CQP;
|
|
err = vaapi_encode_h264_init_fixed_qp(avctx);
|
|
}
|
|
if (err < 0)
|
|
return err;
|
|
|
|
ctx->config_attributes[ctx->nb_config_attributes++] = (VAConfigAttrib) {
|
|
.type = VAConfigAttribRateControl,
|
|
.value = ctx->va_rc_mode,
|
|
};
|
|
|
|
if (opt->quality > 0) {
|
|
#if VA_CHECK_VERSION(0, 36, 0)
|
|
priv->quality_params.misc.type =
|
|
VAEncMiscParameterTypeQualityLevel;
|
|
priv->quality_params.quality.quality_level = opt->quality;
|
|
|
|
ctx->global_params[ctx->nb_global_params] =
|
|
&priv->quality_params.misc;
|
|
ctx->global_params_size[ctx->nb_global_params++] =
|
|
sizeof(priv->quality_params);
|
|
#else
|
|
av_log(avctx, AV_LOG_WARNING, "The encode quality option is not "
|
|
"supported with this VAAPI version.\n");
|
|
#endif
|
|
}
|
|
|
|
ctx->nb_recon_frames = 20;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static VAAPIEncodeType vaapi_encode_type_h264 = {
|
|
.priv_data_size = sizeof(VAAPIEncodeH264Context),
|
|
|
|
.init = &vaapi_encode_h264_init_internal,
|
|
|
|
.sequence_params_size = sizeof(VAEncSequenceParameterBufferH264),
|
|
.init_sequence_params = &vaapi_encode_h264_init_sequence_params,
|
|
|
|
.picture_params_size = sizeof(VAEncPictureParameterBufferH264),
|
|
.init_picture_params = &vaapi_encode_h264_init_picture_params,
|
|
|
|
.slice_params_size = sizeof(VAEncSliceParameterBufferH264),
|
|
.init_slice_params = &vaapi_encode_h264_init_slice_params,
|
|
|
|
.sequence_header_type = VAEncPackedHeaderSequence,
|
|
.write_sequence_header = &vaapi_encode_h264_write_sequence_header,
|
|
|
|
.slice_header_type = VAEncPackedHeaderH264_Slice,
|
|
.write_slice_header = &vaapi_encode_h264_write_slice_header,
|
|
|
|
.write_extra_header = &vaapi_encode_h264_write_extra_header,
|
|
};
|
|
|
|
static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx)
|
|
{
|
|
return ff_vaapi_encode_init(avctx, &vaapi_encode_type_h264);
|
|
}
|
|
|
|
#define OFFSET(x) (offsetof(VAAPIEncodeContext, codec_options_data) + \
|
|
offsetof(VAAPIEncodeH264Options, x))
|
|
#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
|
|
static const AVOption vaapi_encode_h264_options[] = {
|
|
{ "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
|
|
OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 20 }, 0, 52, FLAGS },
|
|
{ "quality", "Set encode quality (trades off against speed, higher is faster)",
|
|
OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 8, FLAGS },
|
|
{ "low_power", "Use low-power encoding mode (experimental: only supported "
|
|
"on some platforms, does not support all features)",
|
|
OFFSET(low_power), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
|
|
{ NULL },
|
|
};
|
|
|
|
static const AVCodecDefault vaapi_encode_h264_defaults[] = {
|
|
{ "profile", "100" },
|
|
{ "level", "51" },
|
|
{ "b", "0" },
|
|
{ "bf", "2" },
|
|
{ "g", "120" },
|
|
{ "i_qfactor", "1.0" },
|
|
{ "i_qoffset", "0.0" },
|
|
{ "b_qfactor", "1.2" },
|
|
{ "b_qoffset", "0.0" },
|
|
{ NULL },
|
|
};
|
|
|
|
static const AVClass vaapi_encode_h264_class = {
|
|
.class_name = "h264_vaapi",
|
|
.item_name = av_default_item_name,
|
|
.option = vaapi_encode_h264_options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
|
|
AVCodec ff_h264_vaapi_encoder = {
|
|
.name = "h264_vaapi",
|
|
.long_name = NULL_IF_CONFIG_SMALL("H.264/AVC (VAAPI)"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_H264,
|
|
.priv_data_size = (sizeof(VAAPIEncodeContext) +
|
|
sizeof(VAAPIEncodeH264Options)),
|
|
.init = &vaapi_encode_h264_init,
|
|
.encode2 = &ff_vaapi_encode2,
|
|
.close = &ff_vaapi_encode_close,
|
|
.priv_class = &vaapi_encode_h264_class,
|
|
.capabilities = AV_CODEC_CAP_DELAY,
|
|
.defaults = vaapi_encode_h264_defaults,
|
|
.pix_fmts = (const enum AVPixelFormat[]) {
|
|
AV_PIX_FMT_VAAPI,
|
|
AV_PIX_FMT_NONE,
|
|
},
|
|
};
|