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FFmpeg/libavcodec/h264data.h

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  1. /*

  2.  * H26L/H264/AVC/JVT/14496-10/... encoder/decoder

  3.  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>

  4.  *

  5.  * This file is part of FFmpeg.

  6.  *

  7.  * FFmpeg is free software; you can redistribute it and/or

  8.  * modify it under the terms of the GNU Lesser General Public

  9.  * License as published by the Free Software Foundation; either

  10.  * version 2.1 of the License, or (at your option) any later version.

  11.  *

  12.  * FFmpeg is distributed in the hope that it will be useful,

  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  15.  * Lesser General Public License for more details.

  16.  *

  17.  * You should have received a copy of the GNU Lesser General Public

  18.  * License along with FFmpeg; if not, write to the Free Software

  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  20.  */

  21. 

  22. /**

  23.  * @file

  24.  * @brief

  25.  *     H264 / AVC / MPEG4 part10 codec data table

  26.  * @author Michael Niedermayer <michaelni@gmx.at>

  27.  */

  28. 

  29. #ifndef AVCODEC_H264DATA_H

  30. #define AVCODEC_H264DATA_H

  31. 

  32. #include <stdint.h>

  33. 

  34. #include "libavutil/rational.h"

  35. #include "mpegvideo.h"

  36. #include "h264.h"

  37. 

  38. static const uint8_t golomb_to_pict_type[5] = {

  39.     AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, AV_PICTURE_TYPE_I,

  40.     AV_PICTURE_TYPE_SP, AV_PICTURE_TYPE_SI

  41. };

  42. 

  43. static const uint8_t golomb_to_intra4x4_cbp[48] = {

  44.     47, 31, 15, 0,  23, 27, 29, 30, 7,  11, 13, 14, 39, 43, 45, 46,

  45.     16, 3,  5,  10, 12, 19, 21, 26, 28, 35, 37, 42, 44, 1,  2,  4,

  46.     8,  17, 18, 20, 24, 6,  9,  22, 25, 32, 33, 34, 36, 40, 38, 41

  47. };

  48. 

  49. static const uint8_t golomb_to_inter_cbp[48] = {

  50.     0,  16, 1,  2,  4,  8,  32, 3,  5,  10, 12, 15, 47, 7,  11, 13,

  51.     14, 6,  9,  31, 35, 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46,

  52.     17, 18, 20, 24, 19, 21, 26, 28, 23, 27, 29, 30, 22, 25, 38, 41

  53. };

  54. 

  55. static const uint8_t zigzag_scan[16+1] = {

  56.     0 + 0 * 4, 1 + 0 * 4, 0 + 1 * 4, 0 + 2 * 4,

  57.     1 + 1 * 4, 2 + 0 * 4, 3 + 0 * 4, 2 + 1 * 4,

  58.     1 + 2 * 4, 0 + 3 * 4, 1 + 3 * 4, 2 + 2 * 4,

  59.     3 + 1 * 4, 3 + 2 * 4, 2 + 3 * 4, 3 + 3 * 4,

  60.     0,

  61. };

  62. 

  63. static const uint8_t field_scan[16+1] = {

  64.     0 + 0 * 4, 0 + 1 * 4, 1 + 0 * 4, 0 + 2 * 4,

  65.     0 + 3 * 4, 1 + 1 * 4, 1 + 2 * 4, 1 + 3 * 4,

  66.     2 + 0 * 4, 2 + 1 * 4, 2 + 2 * 4, 2 + 3 * 4,

  67.     3 + 0 * 4, 3 + 1 * 4, 3 + 2 * 4, 3 + 3 * 4,

  68.     0,

  69. };

  70. 

  71. static const uint8_t luma_dc_zigzag_scan[16] = {

  72.     0 * 16 + 0 * 64, 1 * 16 + 0 * 64, 2 * 16 + 0 * 64, 0 * 16 + 2 * 64,

  73.     3 * 16 + 0 * 64, 0 * 16 + 1 * 64, 1 * 16 + 1 * 64, 2 * 16 + 1 * 64,

  74.     1 * 16 + 2 * 64, 2 * 16 + 2 * 64, 3 * 16 + 2 * 64, 0 * 16 + 3 * 64,

  75.     3 * 16 + 1 * 64, 1 * 16 + 3 * 64, 2 * 16 + 3 * 64, 3 * 16 + 3 * 64,

  76. };

  77. 

  78. static const uint8_t luma_dc_field_scan[16] = {

  79.     0 * 16 + 0 * 64, 2 * 16 + 0 * 64, 1 * 16 + 0 * 64, 0 * 16 + 2 * 64,

  80.     2 * 16 + 2 * 64, 3 * 16 + 0 * 64, 1 * 16 + 2 * 64, 3 * 16 + 2 * 64,

  81.     0 * 16 + 1 * 64, 2 * 16 + 1 * 64, 0 * 16 + 3 * 64, 2 * 16 + 3 * 64,

  82.     1 * 16 + 1 * 64, 3 * 16 + 1 * 64, 1 * 16 + 3 * 64, 3 * 16 + 3 * 64,

  83. };

  84. 

  85. static const uint8_t chroma_dc_scan[4] = {

  86.     (0 + 0 * 2) * 16, (1 + 0 * 2) * 16,

  87.     (0 + 1 * 2) * 16, (1 + 1 * 2) * 16,

  88. };

  89. 

  90. static const uint8_t chroma422_dc_scan[8] = {

  91.     (0 + 0 * 2) * 16, (0 + 1 * 2) * 16,

  92.     (1 + 0 * 2) * 16, (0 + 2 * 2) * 16,

  93.     (0 + 3 * 2) * 16, (1 + 1 * 2) * 16,

  94.     (1 + 2 * 2) * 16, (1 + 3 * 2) * 16,

  95. };

  96. 

  97. // zigzag_scan8x8_cavlc[i] = zigzag_scan8x8[(i/4) + 16*(i%4)]

  98. static const uint8_t zigzag_scan8x8_cavlc[64+1] = {

  99.     0 + 0 * 8, 1 + 1 * 8, 1 + 2 * 8, 2 + 2 * 8,

  100.     4 + 1 * 8, 0 + 5 * 8, 3 + 3 * 8, 7 + 0 * 8,

  101.     3 + 4 * 8, 1 + 7 * 8, 5 + 3 * 8, 6 + 3 * 8,

  102.     2 + 7 * 8, 6 + 4 * 8, 5 + 6 * 8, 7 + 5 * 8,

  103.     1 + 0 * 8, 2 + 0 * 8, 0 + 3 * 8, 3 + 1 * 8,

  104.     3 + 2 * 8, 0 + 6 * 8, 4 + 2 * 8, 6 + 1 * 8,

  105.     2 + 5 * 8, 2 + 6 * 8, 6 + 2 * 8, 5 + 4 * 8,

  106.     3 + 7 * 8, 7 + 3 * 8, 4 + 7 * 8, 7 + 6 * 8,

  107.     0 + 1 * 8, 3 + 0 * 8, 0 + 4 * 8, 4 + 0 * 8,

  108.     2 + 3 * 8, 1 + 5 * 8, 5 + 1 * 8, 5 + 2 * 8,

  109.     1 + 6 * 8, 3 + 5 * 8, 7 + 1 * 8, 4 + 5 * 8,

  110.     4 + 6 * 8, 7 + 4 * 8, 5 + 7 * 8, 6 + 7 * 8,

  111.     0 + 2 * 8, 2 + 1 * 8, 1 + 3 * 8, 5 + 0 * 8,

  112.     1 + 4 * 8, 2 + 4 * 8, 6 + 0 * 8, 4 + 3 * 8,

  113.     0 + 7 * 8, 4 + 4 * 8, 7 + 2 * 8, 3 + 6 * 8,

  114.     5 + 5 * 8, 6 + 5 * 8, 6 + 6 * 8, 7 + 7 * 8,

  115.     0,

  116. };

  117. 

  118. static const uint8_t field_scan8x8[64+1] = {

  119.     0 + 0 * 8, 0 + 1 * 8, 0 + 2 * 8, 1 + 0 * 8,

  120.     1 + 1 * 8, 0 + 3 * 8, 0 + 4 * 8, 1 + 2 * 8,

  121.     2 + 0 * 8, 1 + 3 * 8, 0 + 5 * 8, 0 + 6 * 8,

  122.     0 + 7 * 8, 1 + 4 * 8, 2 + 1 * 8, 3 + 0 * 8,

  123.     2 + 2 * 8, 1 + 5 * 8, 1 + 6 * 8, 1 + 7 * 8,

  124.     2 + 3 * 8, 3 + 1 * 8, 4 + 0 * 8, 3 + 2 * 8,

  125.     2 + 4 * 8, 2 + 5 * 8, 2 + 6 * 8, 2 + 7 * 8,

  126.     3 + 3 * 8, 4 + 1 * 8, 5 + 0 * 8, 4 + 2 * 8,

  127.     3 + 4 * 8, 3 + 5 * 8, 3 + 6 * 8, 3 + 7 * 8,

  128.     4 + 3 * 8, 5 + 1 * 8, 6 + 0 * 8, 5 + 2 * 8,

  129.     4 + 4 * 8, 4 + 5 * 8, 4 + 6 * 8, 4 + 7 * 8,

  130.     5 + 3 * 8, 6 + 1 * 8, 6 + 2 * 8, 5 + 4 * 8,

  131.     5 + 5 * 8, 5 + 6 * 8, 5 + 7 * 8, 6 + 3 * 8,

  132.     7 + 0 * 8, 7 + 1 * 8, 6 + 4 * 8, 6 + 5 * 8,

  133.     6 + 6 * 8, 6 + 7 * 8, 7 + 2 * 8, 7 + 3 * 8,

  134.     7 + 4 * 8, 7 + 5 * 8, 7 + 6 * 8, 7 + 7 * 8,

  135.     0,

  136. };

  137. 

  138. static const uint8_t field_scan8x8_cavlc[64+1] = {

  139.     0 + 0 * 8, 1 + 1 * 8, 2 + 0 * 8, 0 + 7 * 8,

  140.     2 + 2 * 8, 2 + 3 * 8, 2 + 4 * 8, 3 + 3 * 8,

  141.     3 + 4 * 8, 4 + 3 * 8, 4 + 4 * 8, 5 + 3 * 8,

  142.     5 + 5 * 8, 7 + 0 * 8, 6 + 6 * 8, 7 + 4 * 8,

  143.     0 + 1 * 8, 0 + 3 * 8, 1 + 3 * 8, 1 + 4 * 8,

  144.     1 + 5 * 8, 3 + 1 * 8, 2 + 5 * 8, 4 + 1 * 8,

  145.     3 + 5 * 8, 5 + 1 * 8, 4 + 5 * 8, 6 + 1 * 8,

  146.     5 + 6 * 8, 7 + 1 * 8, 6 + 7 * 8, 7 + 5 * 8,

  147.     0 + 2 * 8, 0 + 4 * 8, 0 + 5 * 8, 2 + 1 * 8,

  148.     1 + 6 * 8, 4 + 0 * 8, 2 + 6 * 8, 5 + 0 * 8,

  149.     3 + 6 * 8, 6 + 0 * 8, 4 + 6 * 8, 6 + 2 * 8,

  150.     5 + 7 * 8, 6 + 4 * 8, 7 + 2 * 8, 7 + 6 * 8,

  151.     1 + 0 * 8, 1 + 2 * 8, 0 + 6 * 8, 3 + 0 * 8,

  152.     1 + 7 * 8, 3 + 2 * 8, 2 + 7 * 8, 4 + 2 * 8,

  153.     3 + 7 * 8, 5 + 2 * 8, 4 + 7 * 8, 5 + 4 * 8,

  154.     6 + 3 * 8, 6 + 5 * 8, 7 + 3 * 8, 7 + 7 * 8,

  155.     0,

  156. };

  157. 

  158. typedef struct IMbInfo {

  159.     uint16_t type;

  160.     uint8_t pred_mode;

  161.     uint8_t cbp;

  162. } IMbInfo;

  163. 

  164. static const IMbInfo i_mb_type_info[26] = {

  165.     { MB_TYPE_INTRA4x4,  -1,  -1 },

  166.     { MB_TYPE_INTRA16x16, 2,   0 },

  167.     { MB_TYPE_INTRA16x16, 1,   0 },

  168.     { MB_TYPE_INTRA16x16, 0,   0 },

  169.     { MB_TYPE_INTRA16x16, 3,   0 },

  170.     { MB_TYPE_INTRA16x16, 2,  16 },

  171.     { MB_TYPE_INTRA16x16, 1,  16 },

  172.     { MB_TYPE_INTRA16x16, 0,  16 },

  173.     { MB_TYPE_INTRA16x16, 3,  16 },

  174.     { MB_TYPE_INTRA16x16, 2,  32 },

  175.     { MB_TYPE_INTRA16x16, 1,  32 },

  176.     { MB_TYPE_INTRA16x16, 0,  32 },

  177.     { MB_TYPE_INTRA16x16, 3,  32 },

  178.     { MB_TYPE_INTRA16x16, 2,  15 +  0 },

  179.     { MB_TYPE_INTRA16x16, 1,  15 +  0 },

  180.     { MB_TYPE_INTRA16x16, 0,  15 +  0 },

  181.     { MB_TYPE_INTRA16x16, 3,  15 +  0 },

  182.     { MB_TYPE_INTRA16x16, 2,  15 + 16 },

  183.     { MB_TYPE_INTRA16x16, 1,  15 + 16 },

  184.     { MB_TYPE_INTRA16x16, 0,  15 + 16 },

  185.     { MB_TYPE_INTRA16x16, 3,  15 + 16 },

  186.     { MB_TYPE_INTRA16x16, 2,  15 + 32 },

  187.     { MB_TYPE_INTRA16x16, 1,  15 + 32 },

  188.     { MB_TYPE_INTRA16x16, 0,  15 + 32 },

  189.     { MB_TYPE_INTRA16x16, 3,  15 + 32 },

  190.     { MB_TYPE_INTRA_PCM,  -1, -1 },

  191. };

  192. 

  193. typedef struct PMbInfo {

  194.     uint16_t type;

  195.     uint8_t partition_count;

  196. } PMbInfo;

  197. 

  198. static const PMbInfo p_mb_type_info[5] = {

  199.     { MB_TYPE_16x16 | MB_TYPE_P0L0,                               1 },

  200.     { MB_TYPE_16x8  | MB_TYPE_P0L0 | MB_TYPE_P1L0,                2 },

  201.     { MB_TYPE_8x16  | MB_TYPE_P0L0 | MB_TYPE_P1L0,                2 },

  202.     { MB_TYPE_8x8   | MB_TYPE_P0L0 | MB_TYPE_P1L0,                4 },

  203.     { MB_TYPE_8x8   | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_REF0, 4 },

  204. };

  205. 

  206. static const PMbInfo p_sub_mb_type_info[4] = {

  207.     { MB_TYPE_16x16 | MB_TYPE_P0L0, 1 },

  208.     { MB_TYPE_16x8  | MB_TYPE_P0L0, 2 },

  209.     { MB_TYPE_8x16  | MB_TYPE_P0L0, 2 },

  210.     { MB_TYPE_8x8   | MB_TYPE_P0L0, 4 },

  211. };

  212. 

  213. static const PMbInfo b_mb_type_info[23] = {

  214.     { MB_TYPE_DIRECT2 | MB_TYPE_L0L1,                                              1, },

  215.     { MB_TYPE_16x16   | MB_TYPE_P0L0,                                              1, },

  216.     { MB_TYPE_16x16   | MB_TYPE_P0L1,                                              1, },

  217.     { MB_TYPE_16x16   | MB_TYPE_P0L0 | MB_TYPE_P0L1,                               1, },

  218.     { MB_TYPE_16x8    | MB_TYPE_P0L0 | MB_TYPE_P1L0,                               2, },

  219.     { MB_TYPE_8x16    | MB_TYPE_P0L0 | MB_TYPE_P1L0,                               2, },

  220.     { MB_TYPE_16x8    | MB_TYPE_P0L1 | MB_TYPE_P1L1,                               2, },

  221.     { MB_TYPE_8x16    | MB_TYPE_P0L1 | MB_TYPE_P1L1,                               2, },

  222.     { MB_TYPE_16x8    | MB_TYPE_P0L0 | MB_TYPE_P1L1,                               2, },

  223.     { MB_TYPE_8x16    | MB_TYPE_P0L0 | MB_TYPE_P1L1,                               2, },

  224.     { MB_TYPE_16x8    | MB_TYPE_P0L1 | MB_TYPE_P1L0,                               2, },

  225.     { MB_TYPE_8x16    | MB_TYPE_P0L1 | MB_TYPE_P1L0,                               2, },

  226.     { MB_TYPE_16x8    | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1,                2, },

  227.     { MB_TYPE_8x16    | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1,                2, },

  228.     { MB_TYPE_16x8    | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1,                2, },

  229.     { MB_TYPE_8x16    | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1,                2, },

  230.     { MB_TYPE_16x8    | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0,                2, },

  231.     { MB_TYPE_8x16    | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0,                2, },

  232.     { MB_TYPE_16x8    | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1,                2, },

  233.     { MB_TYPE_8x16    | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1,                2, },

  234.     { MB_TYPE_16x8    | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },

  235.     { MB_TYPE_8x16    | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },

  236.     { MB_TYPE_8x8     | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, },

  237. };

  238. 

  239. static const PMbInfo b_sub_mb_type_info[13] = {

  240.     { MB_TYPE_DIRECT2,                                                           1, },

  241.     { MB_TYPE_16x16 | MB_TYPE_P0L0,                                              1, },

  242.     { MB_TYPE_16x16 | MB_TYPE_P0L1,                                              1, },

  243.     { MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1,                               1, },

  244.     { MB_TYPE_16x8  | MB_TYPE_P0L0 | MB_TYPE_P1L0,                               2, },

  245.     { MB_TYPE_8x16  | MB_TYPE_P0L0 | MB_TYPE_P1L0,                               2, },

  246.     { MB_TYPE_16x8  | MB_TYPE_P0L1 | MB_TYPE_P1L1,                               2, },

  247.     { MB_TYPE_8x16  | MB_TYPE_P0L1 | MB_TYPE_P1L1,                               2, },

  248.     { MB_TYPE_16x8  | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },

  249.     { MB_TYPE_8x16  | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },

  250.     { MB_TYPE_8x8   | MB_TYPE_P0L0 | MB_TYPE_P1L0,                               4, },

  251.     { MB_TYPE_8x8   | MB_TYPE_P0L1 | MB_TYPE_P1L1,                               4, },

  252.     { MB_TYPE_8x8   | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, },

  253. };

  254. 

  255. static const uint8_t dequant4_coeff_init[6][3] = {

  256.     { 10, 13, 16 },

  257.     { 11, 14, 18 },

  258.     { 13, 16, 20 },

  259.     { 14, 18, 23 },

  260.     { 16, 20, 25 },

  261.     { 18, 23, 29 },

  262. };

  263. 

  264. static const uint8_t dequant8_coeff_init_scan[16] = {

  265.     0, 3, 4, 3, 3, 1, 5, 1, 4, 5, 2, 5, 3, 1, 5, 1

  266. };

  267. 

  268. static const uint8_t dequant8_coeff_init[6][6] = {

  269.     { 20, 18, 32, 19, 25, 24 },

  270.     { 22, 19, 35, 21, 28, 26 },

  271.     { 26, 23, 42, 24, 33, 31 },

  272.     { 28, 25, 45, 26, 35, 33 },

  273.     { 32, 28, 51, 30, 40, 38 },

  274.     { 36, 32, 58, 34, 46, 43 },

  275. };

  276. 

  277. #endif /* AVCODEC_H264DATA_H */