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path: root/libavcodec/h264data.h (plain)
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1/*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19#ifndef AVCODEC_H264DATA_H
20#define AVCODEC_H264DATA_H
21
22#include <stdint.h>
23
24#include "h264dec.h"
25
26extern const uint8_t ff_h264_golomb_to_pict_type[5];
27extern const uint8_t ff_h264_golomb_to_intra4x4_cbp[48];
28extern const uint8_t ff_h264_golomb_to_inter_cbp[48];
29
30extern const uint8_t ff_h264_chroma_dc_scan[4];
31extern const uint8_t ff_h264_chroma422_dc_scan[8];
32
33typedef struct IMbInfo {
34 uint16_t type;
35 uint8_t pred_mode;
36 uint8_t cbp;
37} IMbInfo;
38
39extern const IMbInfo ff_h264_i_mb_type_info[26];
40
41typedef struct PMbInfo {
42 uint16_t type;
43 uint8_t partition_count;
44} PMbInfo;
45
46extern const PMbInfo ff_h264_p_mb_type_info[5];
47extern const PMbInfo ff_h264_p_sub_mb_type_info[4];
48extern const PMbInfo ff_h264_b_mb_type_info[23];
49extern const PMbInfo ff_h264_b_sub_mb_type_info[13];
50
51static const AVRational ff_h264_pixel_aspect[17] = {
52 { 0, 1 },
53 { 1, 1 },
54 { 12, 11 },
55 { 10, 11 },
56 { 16, 11 },
57 { 40, 33 },
58 { 24, 11 },
59 { 20, 11 },
60 { 32, 11 },
61 { 80, 33 },
62 { 18, 11 },
63 { 15, 11 },
64 { 64, 33 },
65 { 160, 99 },
66 { 4, 3 },
67 { 3, 2 },
68 { 2, 1 },
69};
70
71extern const uint8_t ff_h264_dequant4_coeff_init[6][3];
72extern const uint8_t ff_h264_dequant8_coeff_init_scan[16];
73extern const uint8_t ff_h264_dequant8_coeff_init[6][6];
74extern const uint8_t ff_h264_quant_rem6[QP_MAX_NUM + 1];
75extern const uint8_t ff_h264_quant_div6[QP_MAX_NUM + 1];
76
77extern const uint8_t ff_h264_chroma_qp[7][QP_MAX_NUM + 1];
78
79#endif /* AVCODEC_H264DATA_H */
80