mirror of https://git.ffmpeg.org/ffmpeg.git
172 lines
7.4 KiB
C
172 lines
7.4 KiB
C
/*
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* H26L/H264/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 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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/**
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* @file
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* @brief
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* H264 / AVC / MPEG4 part10 codec data table
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* @author Michael Niedermayer <michaelni@gmx.at>
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*/
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#ifndef AVCODEC_H264DATA_H
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#define AVCODEC_H264DATA_H
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#include <stdint.h>
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#include "libavutil/rational.h"
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#include "mpegvideo.h"
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#include "h264.h"
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static const uint8_t golomb_to_pict_type[5] = {
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AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, AV_PICTURE_TYPE_I,
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AV_PICTURE_TYPE_SP, AV_PICTURE_TYPE_SI
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};
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static const uint8_t golomb_to_intra4x4_cbp[48] = {
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47, 31, 15, 0, 23, 27, 29, 30, 7, 11, 13, 14, 39, 43, 45, 46,
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16, 3, 5, 10, 12, 19, 21, 26, 28, 35, 37, 42, 44, 1, 2, 4,
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8, 17, 18, 20, 24, 6, 9, 22, 25, 32, 33, 34, 36, 40, 38, 41
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};
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static const uint8_t golomb_to_inter_cbp[48] = {
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0, 16, 1, 2, 4, 8, 32, 3, 5, 10, 12, 15, 47, 7, 11, 13,
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14, 6, 9, 31, 35, 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46,
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17, 18, 20, 24, 19, 21, 26, 28, 23, 27, 29, 30, 22, 25, 38, 41
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};
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static const uint8_t zigzag_scan[16] = {
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0 + 0 * 4, 1 + 0 * 4, 0 + 1 * 4, 0 + 2 * 4,
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1 + 1 * 4, 2 + 0 * 4, 3 + 0 * 4, 2 + 1 * 4,
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1 + 2 * 4, 0 + 3 * 4, 1 + 3 * 4, 2 + 2 * 4,
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3 + 1 * 4, 3 + 2 * 4, 2 + 3 * 4, 3 + 3 * 4,
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};
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static const uint8_t chroma_dc_scan[4] = {
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(0 + 0 * 2) * 16, (1 + 0 * 2) * 16,
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(0 + 1 * 2) * 16, (1 + 1 * 2) * 16,
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};
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static const uint8_t chroma422_dc_scan[8] = {
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(0 + 0 * 2) * 16, (0 + 1 * 2) * 16,
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(1 + 0 * 2) * 16, (0 + 2 * 2) * 16,
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(0 + 3 * 2) * 16, (1 + 1 * 2) * 16,
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(1 + 2 * 2) * 16, (1 + 3 * 2) * 16,
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};
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typedef struct IMbInfo {
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uint16_t type;
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uint8_t pred_mode;
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uint8_t cbp;
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} IMbInfo;
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static const IMbInfo i_mb_type_info[26] = {
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{ MB_TYPE_INTRA4x4, -1, -1 },
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{ MB_TYPE_INTRA16x16, 2, 0 },
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{ MB_TYPE_INTRA16x16, 1, 0 },
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{ MB_TYPE_INTRA16x16, 0, 0 },
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{ MB_TYPE_INTRA16x16, 3, 0 },
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{ MB_TYPE_INTRA16x16, 2, 16 },
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{ MB_TYPE_INTRA16x16, 1, 16 },
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{ MB_TYPE_INTRA16x16, 0, 16 },
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{ MB_TYPE_INTRA16x16, 3, 16 },
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{ MB_TYPE_INTRA16x16, 2, 32 },
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{ MB_TYPE_INTRA16x16, 1, 32 },
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{ MB_TYPE_INTRA16x16, 0, 32 },
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{ MB_TYPE_INTRA16x16, 3, 32 },
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{ MB_TYPE_INTRA16x16, 2, 15 + 0 },
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{ MB_TYPE_INTRA16x16, 1, 15 + 0 },
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{ MB_TYPE_INTRA16x16, 0, 15 + 0 },
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{ MB_TYPE_INTRA16x16, 3, 15 + 0 },
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{ MB_TYPE_INTRA16x16, 2, 15 + 16 },
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{ MB_TYPE_INTRA16x16, 1, 15 + 16 },
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{ MB_TYPE_INTRA16x16, 0, 15 + 16 },
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{ MB_TYPE_INTRA16x16, 3, 15 + 16 },
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{ MB_TYPE_INTRA16x16, 2, 15 + 32 },
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{ MB_TYPE_INTRA16x16, 1, 15 + 32 },
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{ MB_TYPE_INTRA16x16, 0, 15 + 32 },
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{ MB_TYPE_INTRA16x16, 3, 15 + 32 },
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{ MB_TYPE_INTRA_PCM, -1, -1 },
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};
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typedef struct PMbInfo {
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uint16_t type;
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uint8_t partition_count;
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} PMbInfo;
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static const PMbInfo p_mb_type_info[5] = {
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{ MB_TYPE_16x16 | MB_TYPE_P0L0, 1 },
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{ MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2 },
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{ MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2 },
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{ MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 4 },
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{ MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_REF0, 4 },
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};
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static const PMbInfo p_sub_mb_type_info[4] = {
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{ MB_TYPE_16x16 | MB_TYPE_P0L0, 1 },
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{ MB_TYPE_16x8 | MB_TYPE_P0L0, 2 },
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{ MB_TYPE_8x16 | MB_TYPE_P0L0, 2 },
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{ MB_TYPE_8x8 | MB_TYPE_P0L0, 4 },
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};
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static const PMbInfo b_mb_type_info[23] = {
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{ MB_TYPE_DIRECT2 | MB_TYPE_L0L1, 1, },
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{ MB_TYPE_16x16 | MB_TYPE_P0L0, 1, },
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{ MB_TYPE_16x16 | MB_TYPE_P0L1, 1, },
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{ MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1, 1, },
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{ MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
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{ MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
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{ MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
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{ MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
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{ MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L1, 2, },
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{ MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L1, 2, },
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{ MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
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{ MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
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{ MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
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{ MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
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{ MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
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{ MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
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{ MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
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{ MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
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{ MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
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{ MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
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{ MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
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{ MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
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{ MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, },
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};
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static const PMbInfo b_sub_mb_type_info[13] = {
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{ MB_TYPE_DIRECT2, 1, },
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{ MB_TYPE_16x16 | MB_TYPE_P0L0, 1, },
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{ MB_TYPE_16x16 | MB_TYPE_P0L1, 1, },
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{ MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1, 1, },
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{ MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
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{ MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
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{ MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
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{ MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
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{ MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
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{ MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
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{ MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 4, },
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{ MB_TYPE_8x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 4, },
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{ MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, },
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};
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#endif /* AVCODEC_H264DATA_H */
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