233 lines
9.7 KiB
C
233 lines
9.7 KiB
C
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/*
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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 file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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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* H.264 / AVC / MPEG-4 part10 codec data table
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* @author Michael Niedermayer <michaelni@gmx.at>
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*/
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#include <stdint.h>
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#include "libavutil/avutil.h"
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#include "avcodec.h"
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#include "h264dec.h"
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#include "h264data.h"
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const uint8_t ff_h264_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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const uint8_t ff_h264_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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const uint8_t ff_h264_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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const uint8_t ff_h264_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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const uint8_t ff_h264_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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const IMbInfo ff_h264_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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const PMbInfo ff_h264_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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const PMbInfo ff_h264_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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const PMbInfo ff_h264_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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const PMbInfo ff_h264_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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const uint8_t ff_h264_dequant4_coeff_init[6][3] = {
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{ 10, 13, 16 },
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{ 11, 14, 18 },
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{ 13, 16, 20 },
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{ 14, 18, 23 },
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{ 16, 20, 25 },
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{ 18, 23, 29 },
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};
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const uint8_t ff_h264_dequant8_coeff_init_scan[16] = {
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0, 3, 4, 3, 3, 1, 5, 1, 4, 5, 2, 5, 3, 1, 5, 1
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};
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const uint8_t ff_h264_dequant8_coeff_init[6][6] = {
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{ 20, 18, 32, 19, 25, 24 },
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{ 22, 19, 35, 21, 28, 26 },
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{ 26, 23, 42, 24, 33, 31 },
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{ 28, 25, 45, 26, 35, 33 },
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{ 32, 28, 51, 30, 40, 38 },
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{ 36, 32, 58, 34, 46, 43 },
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};
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const uint8_t ff_h264_quant_rem6[QP_MAX_NUM + 1] = {
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0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2,
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3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5,
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0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2,
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3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5,
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0, 1, 2, 3,
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};
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const uint8_t ff_h264_quant_div6[QP_MAX_NUM + 1] = {
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0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3,
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3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6,
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7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10,
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10,10,10,11,11,11,11,11,11,12,12,12,12,12,12,13,13,13, 13, 13, 13,
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14,14,14,14,
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};
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#define QP(qP, depth) ((qP) + 6 * ((depth) - 8))
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#define CHROMA_QP_TABLE_END(d) \
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QP(0, d), QP(1, d), QP(2, d), QP(3, d), QP(4, d), QP(5, d), \
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QP(6, d), QP(7, d), QP(8, d), QP(9, d), QP(10, d), QP(11, d), \
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QP(12, d), QP(13, d), QP(14, d), QP(15, d), QP(16, d), QP(17, d), \
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QP(18, d), QP(19, d), QP(20, d), QP(21, d), QP(22, d), QP(23, d), \
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QP(24, d), QP(25, d), QP(26, d), QP(27, d), QP(28, d), QP(29, d), \
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QP(29, d), QP(30, d), QP(31, d), QP(32, d), QP(32, d), QP(33, d), \
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QP(34, d), QP(34, d), QP(35, d), QP(35, d), QP(36, d), QP(36, d), \
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QP(37, d), QP(37, d), QP(37, d), QP(38, d), QP(38, d), QP(38, d), \
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QP(39, d), QP(39, d), QP(39, d), QP(39, d)
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const uint8_t ff_h264_chroma_qp[7][QP_MAX_NUM + 1] = {
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{ CHROMA_QP_TABLE_END(8) },
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{ 0, 1, 2, 3, 4, 5,
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CHROMA_QP_TABLE_END(9) },
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{ 0, 1, 2, 3, 4, 5,
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6, 7, 8, 9, 10, 11,
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CHROMA_QP_TABLE_END(10) },
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{ 0, 1, 2, 3, 4, 5,
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6, 7, 8, 9, 10, 11,
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12,13,14,15, 16, 17,
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CHROMA_QP_TABLE_END(11) },
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{ 0, 1, 2, 3, 4, 5,
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6, 7, 8, 9, 10, 11,
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12,13,14,15, 16, 17,
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18,19,20,21, 22, 23,
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CHROMA_QP_TABLE_END(12) },
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{ 0, 1, 2, 3, 4, 5,
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6, 7, 8, 9, 10, 11,
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12,13,14,15, 16, 17,
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18,19,20,21, 22, 23,
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24,25,26,27, 28, 29,
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CHROMA_QP_TABLE_END(13) },
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{ 0, 1, 2, 3, 4, 5,
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6, 7, 8, 9, 10, 11,
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12,13,14,15, 16, 17,
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18,19,20,21, 22, 23,
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24,25,26,27, 28, 29,
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30,31,32,33, 34, 35,
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CHROMA_QP_TABLE_END(14) },
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};
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