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FFmpeg/libavcodec/h264data.c

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  1. /*

  2.  * H.26L/H.264/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.  *     H.264 / AVC / MPEG-4 part10 codec data table

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

  27.  */

  28. 

  29. #include <stdint.h>

  30. 

  31. #include "libavutil/avutil.h"

  32. 

  33. #include "avcodec.h"

  34. #include "h264.h"

  35. #include "h264data.h"

  36. 

  37. const uint8_t ff_h264_golomb_to_pict_type[5] = {

  38.     AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, AV_PICTURE_TYPE_I,

  39.     AV_PICTURE_TYPE_SP, AV_PICTURE_TYPE_SI

  40. };

  41. 

  42. const uint8_t ff_h264_golomb_to_intra4x4_cbp[48] = {

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

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

  45.     8,  17, 18, 20, 24, 6,  9,  22, 25, 32, 33, 34, 36, 40, 38, 41

  46. };

  47. 

  48. const uint8_t ff_h264_golomb_to_inter_cbp[48] = {

  49.     0,  16, 1,  2,  4,  8,  32, 3,  5,  10, 12, 15, 47, 7,  11, 13,

  50.     14, 6,  9,  31, 35, 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46,

  51.     17, 18, 20, 24, 19, 21, 26, 28, 23, 27, 29, 30, 22, 25, 38, 41

  52. };

  53. 

  54. const uint8_t ff_h264_chroma_dc_scan[4] = {

  55.     (0 + 0 * 2) * 16, (1 + 0 * 2) * 16,

  56.     (0 + 1 * 2) * 16, (1 + 1 * 2) * 16,

  57. };

  58. 

  59. const uint8_t ff_h264_chroma422_dc_scan[8] = {

  60.     (0 + 0 * 2) * 16, (0 + 1 * 2) * 16,

  61.     (1 + 0 * 2) * 16, (0 + 2 * 2) * 16,

  62.     (0 + 3 * 2) * 16, (1 + 1 * 2) * 16,

  63.     (1 + 2 * 2) * 16, (1 + 3 * 2) * 16,

  64. };

  65. 

  66. const IMbInfo ff_h264_i_mb_type_info[26] = {

  67.     { MB_TYPE_INTRA4x4,  -1,  -1 },

  68.     { MB_TYPE_INTRA16x16, 2,   0 },

  69.     { MB_TYPE_INTRA16x16, 1,   0 },

  70.     { MB_TYPE_INTRA16x16, 0,   0 },

  71.     { MB_TYPE_INTRA16x16, 3,   0 },

  72.     { MB_TYPE_INTRA16x16, 2,  16 },

  73.     { MB_TYPE_INTRA16x16, 1,  16 },

  74.     { MB_TYPE_INTRA16x16, 0,  16 },

  75.     { MB_TYPE_INTRA16x16, 3,  16 },

  76.     { MB_TYPE_INTRA16x16, 2,  32 },

  77.     { MB_TYPE_INTRA16x16, 1,  32 },

  78.     { MB_TYPE_INTRA16x16, 0,  32 },

  79.     { MB_TYPE_INTRA16x16, 3,  32 },

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

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

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

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

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

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

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

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

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

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

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

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

  92.     { MB_TYPE_INTRA_PCM,  -1, -1 },

  93. };

  94. 

  95. const PMbInfo ff_h264_p_mb_type_info[5] = {

  96.     { MB_TYPE_16x16 | MB_TYPE_P0L0,                               1 },

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

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

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

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

  101. };

  102. 

  103. const PMbInfo ff_h264_p_sub_mb_type_info[4] = {

  104.     { MB_TYPE_16x16 | MB_TYPE_P0L0, 1 },

  105.     { MB_TYPE_16x8  | MB_TYPE_P0L0, 2 },

  106.     { MB_TYPE_8x16  | MB_TYPE_P0L0, 2 },

  107.     { MB_TYPE_8x8   | MB_TYPE_P0L0, 4 },

  108. };

  109. 

  110. const PMbInfo ff_h264_b_mb_type_info[23] = {

  111.     { MB_TYPE_DIRECT2 | MB_TYPE_L0L1,                                              1, },

  112.     { MB_TYPE_16x16   | MB_TYPE_P0L0,                                              1, },

  113.     { MB_TYPE_16x16   | MB_TYPE_P0L1,                                              1, },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  134. };

  135. 

  136. const PMbInfo ff_h264_b_sub_mb_type_info[13] = {

  137.     { MB_TYPE_DIRECT2,                                                           1, },

  138.     { MB_TYPE_16x16 | MB_TYPE_P0L0,                                              1, },

  139.     { MB_TYPE_16x16 | MB_TYPE_P0L1,                                              1, },

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

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

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

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

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

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

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

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

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

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

  150. };

  151. 

  152. const uint8_t ff_h264_dequant4_coeff_init[6][3] = {

  153.     { 10, 13, 16 },

  154.     { 11, 14, 18 },

  155.     { 13, 16, 20 },

  156.     { 14, 18, 23 },

  157.     { 16, 20, 25 },

  158.     { 18, 23, 29 },

  159. };

  160. 

  161. const uint8_t ff_h264_dequant8_coeff_init_scan[16] = {

  162.     0, 3, 4, 3, 3, 1, 5, 1, 4, 5, 2, 5, 3, 1, 5, 1

  163. };

  164. 

  165. const uint8_t ff_h264_dequant8_coeff_init[6][6] = {

  166.     { 20, 18, 32, 19, 25, 24 },

  167.     { 22, 19, 35, 21, 28, 26 },

  168.     { 26, 23, 42, 24, 33, 31 },

  169.     { 28, 25, 45, 26, 35, 33 },

  170.     { 32, 28, 51, 30, 40, 38 },

  171.     { 36, 32, 58, 34, 46, 43 },

  172. };

  173. 

  174. const uint8_t ff_h264_quant_rem6[QP_MAX_NUM + 1] = {

  175.     0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2,

  176.     3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5,

  177.     0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2,

  178.     3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5,

  179.     0, 1, 2, 3,

  180. };

  181. 

  182. const uint8_t ff_h264_quant_div6[QP_MAX_NUM + 1] = {

  183.     0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3,  3,  3,

  184.     3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6,  6,  6,

  185.     7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10,

  186.    10,10,10,11,11,11,11,11,11,12,12,12,12,12,12,13,13,13, 13, 13, 13,

  187.    14,14,14,14,

  188. };

  189. 

  190. #define QP(qP, depth) ((qP) + 6 * ((depth) - 8))

  191. 

  192. #define CHROMA_QP_TABLE_END(d)                                          \

  193.     QP(0,  d), QP(1,  d), QP(2,  d), QP(3,  d), QP(4,  d), QP(5,  d),   \

  194.     QP(6,  d), QP(7,  d), QP(8,  d), QP(9,  d), QP(10, d), QP(11, d),   \

  195.     QP(12, d), QP(13, d), QP(14, d), QP(15, d), QP(16, d), QP(17, d),   \

  196.     QP(18, d), QP(19, d), QP(20, d), QP(21, d), QP(22, d), QP(23, d),   \

  197.     QP(24, d), QP(25, d), QP(26, d), QP(27, d), QP(28, d), QP(29, d),   \

  198.     QP(29, d), QP(30, d), QP(31, d), QP(32, d), QP(32, d), QP(33, d),   \

  199.     QP(34, d), QP(34, d), QP(35, d), QP(35, d), QP(36, d), QP(36, d),   \

  200.     QP(37, d), QP(37, d), QP(37, d), QP(38, d), QP(38, d), QP(38, d),   \

  201.     QP(39, d), QP(39, d), QP(39, d), QP(39, d)

  202. 

  203. const uint8_t ff_h264_chroma_qp[7][QP_MAX_NUM + 1] = {

  204.     { CHROMA_QP_TABLE_END(8) },

  205.     { 0, 1, 2, 3, 4, 5,

  206.       CHROMA_QP_TABLE_END(9) },

  207.     { 0, 1, 2, 3,  4,  5,

  208.       6, 7, 8, 9, 10, 11,

  209.       CHROMA_QP_TABLE_END(10) },

  210.     { 0,  1, 2, 3,  4,  5,

  211.       6,  7, 8, 9, 10, 11,

  212.       12,13,14,15, 16, 17,

  213.       CHROMA_QP_TABLE_END(11) },

  214.     { 0,  1, 2, 3,  4,  5,

  215.       6,  7, 8, 9, 10, 11,

  216.       12,13,14,15, 16, 17,

  217.       18,19,20,21, 22, 23,

  218.       CHROMA_QP_TABLE_END(12) },

  219.     { 0,  1, 2, 3,  4,  5,

  220.       6,  7, 8, 9, 10, 11,

  221.       12,13,14,15, 16, 17,

  222.       18,19,20,21, 22, 23,

  223.       24,25,26,27, 28, 29,

  224.       CHROMA_QP_TABLE_END(13) },

  225.     { 0,  1, 2, 3,  4,  5,

  226.       6,  7, 8, 9, 10, 11,

  227.       12,13,14,15, 16, 17,

  228.       18,19,20,21, 22, 23,

  229.       24,25,26,27, 28, 29,

  230.       30,31,32,33, 34, 35,

  231.       CHROMA_QP_TABLE_END(14) },

  232. };