falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
26337 Commits
32 Branches
866MB
Tree: e2b2f8454c
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'e2b2f8454c'
${ noResults }
FFmpeg/libavcodec/ffv1.c

1473 lines
45KB
Raw Blame History 

  1. /*

  2.  * FFV1 codec for libavcodec

  3.  *

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

  5.  *

  6.  * This file is part of FFmpeg.

  7.  *

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

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

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

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

  12.  *

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

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

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

  16.  * Lesser General Public License for more details.

  17.  *

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

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

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

  21.  */

  22. 

  23. /**

  24.  * @file

  25.  * FF Video Codec 1 (a lossless codec)

  26.  */

  27. 

  28. #include "avcodec.h"

  29. #include "get_bits.h"

  30. #include "put_bits.h"

  31. #include "dsputil.h"

  32. #include "rangecoder.h"

  33. #include "golomb.h"

  34. #include "mathops.h"

  35. #include "libavutil/avassert.h"

  36. 

  37. #define MAX_PLANES 4

  38. #define CONTEXT_SIZE 32

  39. 

  40. #define MAX_QUANT_TABLES 8

  41. 

  42. extern const uint8_t ff_log2_run[32];

  43. 

  44. static const int8_t quant3[256]={

  45.  0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,

  46.  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,

  47.  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,

  48.  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,

  49.  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,

  50.  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,

  51.  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,

  52.  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,

  53. -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,

  54. -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,

  55. -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,

  56. -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,

  57. -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,

  58. -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,

  59. -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,

  60. -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 0,

  61. };

  62. 

  63. static const int8_t quant5_10bit[256]={

  64.  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,

  65.  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,

  66.  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,

  67.  1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  68.  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  69.  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  70.  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  71.  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  72. -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,

  73. -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,

  74. -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,

  75. -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,

  76. -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-1,

  77. -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,

  78. -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,

  79. -1,-1,-1,-1,-1,-1,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,

  80. };

  81. 

  82. static const int8_t quant5[256]={

  83.  0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  84.  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  85.  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  86.  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  87.  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  88.  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  89.  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  90.  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  91. -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,

  92. -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,

  93. -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,

  94. -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,

  95. -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,

  96. -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,

  97. -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,

  98. -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-1,-1,-1,

  99. };

  100. static const int8_t quant7[256]={

  101.  0, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  102.  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  103.  2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3,

  104.  3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,

  105.  3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,

  106.  3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,

  107.  3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,

  108.  3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,

  109. -3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,

  110. -3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,

  111. -3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,

  112. -3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,

  113. -3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,

  114. -3,-3,-3,-3,-3,-3,-3,-3,-3,-2,-2,-2,-2,-2,-2,-2,

  115. -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,

  116. -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-1,-1,

  117. };

  118. static const int8_t quant9[256]={

  119.  0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3,

  120.  3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  121.  4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  122.  4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  123.  4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  124.  4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  125.  4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  126.  4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  127. -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,

  128. -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,

  129. -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,

  130. -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,

  131. -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,

  132. -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,

  133. -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-3,-3,-3,

  134. -3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-2,-2,-2,-2,-1,-1,

  135. };

  136. static const int8_t quant9_10bit[256]={

  137.  0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2,

  138.  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3,

  139.  3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,

  140.  3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,

  141.  4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  142.  4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  143.  4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  144.  4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  145. -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,

  146. -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,

  147. -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,

  148. -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,

  149. -4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-3,-3,-3,-3,-3,-3,

  150. -3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,

  151. -3,-3,-3,-3,-3,-3,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,

  152. -2,-2,-2,-2,-1,-1,-1,-1,-1,-1,-1,-1,-0,-0,-0,-0,

  153. };

  154. 

  155. static const int8_t quant11[256]={

  156.  0, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4,

  157.  4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  158.  4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  159.  5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  160.  5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  161.  5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  162.  5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  163.  5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  164. -5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,

  165. -5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,

  166. -5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,

  167. -5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,

  168. -5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,

  169. -5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-4,-4,

  170. -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,

  171. -4,-4,-4,-4,-4,-3,-3,-3,-3,-3,-3,-3,-2,-2,-2,-1,

  172. };

  173. static const int8_t quant13[256]={

  174.  0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,

  175.  4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  176.  5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  177.  5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,

  178.  6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,

  179.  6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,

  180.  6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,

  181.  6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,

  182. -6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,

  183. -6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,

  184. -6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,

  185. -6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,

  186. -6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-5,

  187. -5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,

  188. -5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,

  189. -4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-3,-3,-3,-2,-2,-1,

  190. };

  191. 

  192. static const uint8_t ver2_state[256]= {

  193.    0,  10,  10,  10,  10,  16,  16,  16,  28,  16,  16,  29,  42,  49,  20,  49,

  194.   59,  25,  26,  26,  27,  31,  33,  33,  33,  34,  34,  37,  67,  38,  39,  39,

  195.   40,  40,  41,  79,  43,  44,  45,  45,  48,  48,  64,  50,  51,  52,  88,  52,

  196.   53,  74,  55,  57,  58,  58,  74,  60, 101,  61,  62,  84,  66,  66,  68,  69,

  197.   87,  82,  71,  97,  73,  73,  82,  75, 111,  77,  94,  78,  87,  81,  83,  97,

  198.   85,  83,  94,  86,  99,  89,  90,  99, 111,  92,  93, 134,  95,  98, 105,  98,

  199.  105, 110, 102, 108, 102, 118, 103, 106, 106, 113, 109, 112, 114, 112, 116, 125,

  200.  115, 116, 117, 117, 126, 119, 125, 121, 121, 123, 145, 124, 126, 131, 127, 129,

  201.  165, 130, 132, 138, 133, 135, 145, 136, 137, 139, 146, 141, 143, 142, 144, 148,

  202.  147, 155, 151, 149, 151, 150, 152, 157, 153, 154, 156, 168, 158, 162, 161, 160,

  203.  172, 163, 169, 164, 166, 184, 167, 170, 177, 174, 171, 173, 182, 176, 180, 178,

  204.  175, 189, 179, 181, 186, 183, 192, 185, 200, 187, 191, 188, 190, 197, 193, 196,

  205.  197, 194, 195, 196, 198, 202, 199, 201, 210, 203, 207, 204, 205, 206, 208, 214,

  206.  209, 211, 221, 212, 213, 215, 224, 216, 217, 218, 219, 220, 222, 228, 223, 225,

  207.  226, 224, 227, 229, 240, 230, 231, 232, 233, 234, 235, 236, 238, 239, 237, 242,

  208.  241, 243, 242, 244, 245, 246, 247, 248, 249, 250, 251, 252, 252, 253, 254, 255,

  209. };

  210. 

  211. typedef struct VlcState{

  212.     int16_t drift;

  213.     uint16_t error_sum;

  214.     int8_t bias;

  215.     uint8_t count;

  216. } VlcState;

  217. 

  218. typedef struct PlaneContext{

  219.     int context_count;

  220.     uint8_t (*state)[CONTEXT_SIZE];

  221.     VlcState *vlc_state;

  222.     uint8_t interlace_bit_state[2];

  223. } PlaneContext;

  224. 

  225. #define MAX_SLICES 256

  226. 

  227. typedef struct FFV1Context{

  228.     AVCodecContext *avctx;

  229.     RangeCoder c;

  230.     GetBitContext gb;

  231.     PutBitContext pb;

  232.     int version;

  233.     int width, height;

  234.     int chroma_h_shift, chroma_v_shift;

  235.     int flags;

  236.     int picture_number;

  237.     AVFrame picture;

  238.     int plane_count;

  239.     int ac;                              ///< 1=range coder <-> 0=golomb rice

  240.     PlaneContext plane[MAX_PLANES];

  241.     int16_t quant_table[5][256];

  242.     int16_t quant_tables[MAX_QUANT_TABLES][5][256];

  243.     int context_count[MAX_QUANT_TABLES];

  244.     uint8_t state_transition[256];

  245.     int run_index;

  246.     int colorspace;

  247.     int_fast16_t *sample_buffer;

  248. 

  249.     int quant_table_count;

  250. 

  251.     DSPContext dsp;

  252. 

  253.     struct FFV1Context *slice_context[MAX_SLICES];

  254.     int slice_count;

  255.     int num_v_slices;

  256.     int num_h_slices;

  257.     int slice_width;

  258.     int slice_height;

  259.     int slice_x;

  260.     int slice_y;

  261. }FFV1Context;

  262. 

  263. static av_always_inline int fold(int diff, int bits){

  264.     if(bits==8)

  265.         diff= (int8_t)diff;

  266.     else{

  267.         diff+= 1<<(bits-1);

  268.         diff&=(1<<bits)-1;

  269.         diff-= 1<<(bits-1);

  270.     }

  271. 

  272.     return diff;

  273. }

  274. 

  275. static inline int predict(int_fast16_t *src, int_fast16_t *last){

  276.     const int LT= last[-1];

  277.     const int  T= last[ 0];

  278.     const int L =  src[-1];

  279. 

  280.     return mid_pred(L, L + T - LT, T);

  281. }

  282. 

  283. static inline int get_context(FFV1Context *f, int_fast16_t *src, int_fast16_t *last, int_fast16_t *last2){

  284.     const int LT= last[-1];

  285.     const int  T= last[ 0];

  286.     const int RT= last[ 1];

  287.     const int L =  src[-1];

  288. 

  289.     if(f->quant_table[3][127]){

  290.         const int TT= last2[0];

  291.         const int LL=  src[-2];

  292.         return f->quant_table[0][(L-LT) & 0xFF] + f->quant_table[1][(LT-T) & 0xFF] + f->quant_table[2][(T-RT) & 0xFF]

  293.               +f->quant_table[3][(LL-L) & 0xFF] + f->quant_table[4][(TT-T) & 0xFF];

  294.     }else

  295.         return f->quant_table[0][(L-LT) & 0xFF] + f->quant_table[1][(LT-T) & 0xFF] + f->quant_table[2][(T-RT) & 0xFF];

  296. }

  297. 

  298. static inline void put_symbol_inline(RangeCoder *c, uint8_t *state, int v, int is_signed){

  299.     int i;

  300. 

  301.     if(v){

  302.         const int a= FFABS(v);

  303.         const int e= av_log2(a);

  304.         put_rac(c, state+0, 0);

  305.         if(e<=9){

  306.             for(i=0; i<e; i++){

  307.                 put_rac(c, state+1+i, 1);  //1..10

  308.             }

  309.             put_rac(c, state+1+i, 0);

  310. 

  311.             for(i=e-1; i>=0; i--){

  312.                 put_rac(c, state+22+i, (a>>i)&1); //22..31

  313.             }

  314. 

  315.             if(is_signed)

  316.                 put_rac(c, state+11 + e, v < 0); //11..21

  317.         }else{

  318.             for(i=0; i<e; i++){

  319.                 put_rac(c, state+1+FFMIN(i,9), 1);  //1..10

  320.             }

  321.             put_rac(c, state+1+9, 0);

  322. 

  323.             for(i=e-1; i>=0; i--){

  324.                 put_rac(c, state+22+FFMIN(i,9), (a>>i)&1); //22..31

  325.             }

  326. 

  327.             if(is_signed)

  328.                 put_rac(c, state+11 + 10, v < 0); //11..21

  329.         }

  330.     }else{

  331.         put_rac(c, state+0, 1);

  332.     }

  333. }

  334. 

  335. static void av_noinline put_symbol(RangeCoder *c, uint8_t *state, int v, int is_signed){

  336.     put_symbol_inline(c, state, v, is_signed);

  337. }

  338. 

  339. static inline av_flatten int get_symbol_inline(RangeCoder *c, uint8_t *state, int is_signed){

  340.     if(get_rac(c, state+0))

  341.         return 0;

  342.     else{

  343.         int i, e, a;

  344.         e= 0;

  345.         while(get_rac(c, state+1 + FFMIN(e,9))){ //1..10

  346.             e++;

  347.         }

  348. 

  349.         a= 1;

  350.         for(i=e-1; i>=0; i--){

  351.             a += a + get_rac(c, state+22 + FFMIN(i,9)); //22..31

  352.         }

  353. 

  354.         e= -(is_signed && get_rac(c, state+11 + FFMIN(e, 10))); //11..21

  355.         return (a^e)-e;

  356.     }

  357. }

  358. 

  359. static int av_noinline get_symbol(RangeCoder *c, uint8_t *state, int is_signed){

  360.     return get_symbol_inline(c, state, is_signed);

  361. }

  362. 

  363. static inline void update_vlc_state(VlcState * const state, const int v){

  364.     int drift= state->drift;

  365.     int count= state->count;

  366.     state->error_sum += FFABS(v);

  367.     drift += v;

  368. 

  369.     if(count == 128){ //FIXME variable

  370.         count >>= 1;

  371.         drift >>= 1;

  372.         state->error_sum >>= 1;

  373.     }

  374.     count++;

  375. 

  376.     if(drift <= -count){

  377.         if(state->bias > -128) state->bias--;

  378. 

  379.         drift += count;

  380.         if(drift <= -count)

  381.             drift= -count + 1;

  382.     }else if(drift > 0){

  383.         if(state->bias <  127) state->bias++;

  384. 

  385.         drift -= count;

  386.         if(drift > 0)

  387.             drift= 0;

  388.     }

  389. 

  390.     state->drift= drift;

  391.     state->count= count;

  392. }

  393. 

  394. static inline void put_vlc_symbol(PutBitContext *pb, VlcState * const state, int v, int bits){

  395.     int i, k, code;

  396. //printf("final: %d ", v);

  397.     v = fold(v - state->bias, bits);

  398. 

  399.     i= state->count;

  400.     k=0;

  401.     while(i < state->error_sum){ //FIXME optimize

  402.         k++;

  403.         i += i;

  404.     }

  405. 

  406.     assert(k<=8);

  407. 

  408. #if 0 // JPEG LS

  409.     if(k==0 && 2*state->drift <= - state->count) code= v ^ (-1);

  410.     else                                         code= v;

  411. #else

  412.      code= v ^ ((2*state->drift + state->count)>>31);

  413. #endif

  414. 

  415. //printf("v:%d/%d bias:%d error:%d drift:%d count:%d k:%d\n", v, code, state->bias, state->error_sum, state->drift, state->count, k);

  416.     set_sr_golomb(pb, code, k, 12, bits);

  417. 

  418.     update_vlc_state(state, v);

  419. }

  420. 

  421. static inline int get_vlc_symbol(GetBitContext *gb, VlcState * const state, int bits){

  422.     int k, i, v, ret;

  423. 

  424.     i= state->count;

  425.     k=0;

  426.     while(i < state->error_sum){ //FIXME optimize

  427.         k++;

  428.         i += i;

  429.     }

  430. 

  431.     assert(k<=8);

  432. 

  433.     v= get_sr_golomb(gb, k, 12, bits);

  434. //printf("v:%d bias:%d error:%d drift:%d count:%d k:%d", v, state->bias, state->error_sum, state->drift, state->count, k);

  435. 

  436. #if 0 // JPEG LS

  437.     if(k==0 && 2*state->drift <= - state->count) v ^= (-1);

  438. #else

  439.      v ^= ((2*state->drift + state->count)>>31);

  440. #endif

  441. 

  442.     ret= fold(v + state->bias, bits);

  443. 

  444.     update_vlc_state(state, v);

  445. //printf("final: %d\n", ret);

  446.     return ret;

  447. }

  448. 

  449. #if CONFIG_FFV1_ENCODER

  450. static inline int encode_line(FFV1Context *s, int w, int_fast16_t *sample[2], int plane_index, int bits){

  451.     PlaneContext * const p= &s->plane[plane_index];

  452.     RangeCoder * const c= &s->c;

  453.     int x;

  454.     int run_index= s->run_index;

  455.     int run_count=0;

  456.     int run_mode=0;

  457. 

  458.     if(s->ac){

  459.         if(c->bytestream_end - c->bytestream < w*20){

  460.             av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");

  461.             return -1;

  462.         }

  463.     }else{

  464.         if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < w*4){

  465.             av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");

  466.             return -1;

  467.         }

  468.     }

  469. 

  470.     for(x=0; x<w; x++){

  471.         int diff, context;

  472. 

  473.         context= get_context(s, sample[0]+x, sample[1]+x, sample[2]+x);

  474.         diff= sample[0][x] - predict(sample[0]+x, sample[1]+x);

  475. 

  476.         if(context < 0){

  477.             context = -context;

  478.             diff= -diff;

  479.         }

  480. 

  481.         diff= fold(diff, bits);

  482. 

  483.         if(s->ac){

  484.             put_symbol_inline(c, p->state[context], diff, 1);

  485.         }else{

  486.             if(context == 0) run_mode=1;

  487. 

  488.             if(run_mode){

  489. 

  490.                 if(diff){

  491.                     while(run_count >= 1<<ff_log2_run[run_index]){

  492.                         run_count -= 1<<ff_log2_run[run_index];

  493.                         run_index++;

  494.                         put_bits(&s->pb, 1, 1);

  495.                     }

  496. 

  497.                     put_bits(&s->pb, 1 + ff_log2_run[run_index], run_count);

  498.                     if(run_index) run_index--;

  499.                     run_count=0;

  500.                     run_mode=0;

  501.                     if(diff>0) diff--;

  502.                 }else{

  503.                     run_count++;

  504.                 }

  505.             }

  506. 

  507. //            printf("count:%d index:%d, mode:%d, x:%d y:%d pos:%d\n", run_count, run_index, run_mode, x, y, (int)put_bits_count(&s->pb));

  508. 

  509.             if(run_mode == 0)

  510.                 put_vlc_symbol(&s->pb, &p->vlc_state[context], diff, bits);

  511.         }

  512.     }

  513.     if(run_mode){

  514.         while(run_count >= 1<<ff_log2_run[run_index]){

  515.             run_count -= 1<<ff_log2_run[run_index];

  516.             run_index++;

  517.             put_bits(&s->pb, 1, 1);

  518.         }

  519. 

  520.         if(run_count)

  521.             put_bits(&s->pb, 1, 1);

  522.     }

  523.     s->run_index= run_index;

  524. 

  525.     return 0;

  526. }

  527. 

  528. static void encode_plane(FFV1Context *s, uint8_t *src, int w, int h, int stride, int plane_index){

  529.     int x,y,i;

  530.     const int ring_size= s->avctx->context_model ? 3 : 2;

  531.     int_fast16_t *sample[3];

  532.     s->run_index=0;

  533. 

  534.     memset(s->sample_buffer, 0, ring_size*(w+6)*sizeof(*s->sample_buffer));

  535. 

  536.     for(y=0; y<h; y++){

  537.         for(i=0; i<ring_size; i++)

  538.             sample[i]= s->sample_buffer + (w+6)*((h+i-y)%ring_size) + 3;

  539. 

  540.         sample[0][-1]= sample[1][0  ];

  541.         sample[1][ w]= sample[1][w-1];

  542. //{START_TIMER

  543.         if(s->avctx->bits_per_raw_sample<=8){

  544.             for(x=0; x<w; x++){

  545.                 sample[0][x]= src[x + stride*y];

  546.             }

  547.             encode_line(s, w, sample, plane_index, 8);

  548.         }else{

  549.             for(x=0; x<w; x++){

  550.                 sample[0][x]= ((uint16_t*)(src + stride*y))[x] >> (16 - s->avctx->bits_per_raw_sample);

  551.             }

  552.             encode_line(s, w, sample, plane_index, s->avctx->bits_per_raw_sample);

  553.         }

  554. //STOP_TIMER("encode line")}

  555.     }

  556. }

  557. 

  558. static void encode_rgb_frame(FFV1Context *s, uint32_t *src, int w, int h, int stride){

  559.     int x, y, p, i;

  560.     const int ring_size= s->avctx->context_model ? 3 : 2;

  561.     int_fast16_t *sample[3][3];

  562.     s->run_index=0;

  563. 

  564.     memset(s->sample_buffer, 0, ring_size*3*(w+6)*sizeof(*s->sample_buffer));

  565. 

  566.     for(y=0; y<h; y++){

  567.         for(i=0; i<ring_size; i++)

  568.             for(p=0; p<3; p++)

  569.                 sample[p][i]= s->sample_buffer + p*ring_size*(w+6) + ((h+i-y)%ring_size)*(w+6) + 3;

  570. 

  571.         for(x=0; x<w; x++){

  572.             int v= src[x + stride*y];

  573.             int b= v&0xFF;

  574.             int g= (v>>8)&0xFF;

  575.             int r= (v>>16)&0xFF;

  576. 

  577.             b -= g;

  578.             r -= g;

  579.             g += (b + r)>>2;

  580.             b += 0x100;

  581.             r += 0x100;

  582. 

  583. //            assert(g>=0 && b>=0 && r>=0);

  584. //            assert(g<256 && b<512 && r<512);

  585.             sample[0][0][x]= g;

  586.             sample[1][0][x]= b;

  587.             sample[2][0][x]= r;

  588.         }

  589.         for(p=0; p<3; p++){

  590.             sample[p][0][-1]= sample[p][1][0  ];

  591.             sample[p][1][ w]= sample[p][1][w-1];

  592.             encode_line(s, w, sample[p], FFMIN(p, 1), 9);

  593.         }

  594.     }

  595. }

  596. 

  597. static void write_quant_table(RangeCoder *c, int16_t *quant_table){

  598.     int last=0;

  599.     int i;

  600.     uint8_t state[CONTEXT_SIZE];

  601.     memset(state, 128, sizeof(state));

  602. 

  603.     for(i=1; i<128 ; i++){

  604.         if(quant_table[i] != quant_table[i-1]){

  605.             put_symbol(c, state, i-last-1, 0);

  606.             last= i;

  607.         }

  608.     }

  609.     put_symbol(c, state, i-last-1, 0);

  610. }

  611. 

  612. static void write_quant_tables(RangeCoder *c, int16_t quant_table[5][256]){

  613.     int i;

  614.     for(i=0; i<5; i++)

  615.         write_quant_table(c, quant_table[i]);

  616. }

  617. 

  618. static void write_header(FFV1Context *f){

  619.     uint8_t state[CONTEXT_SIZE];

  620.     int i;

  621.     RangeCoder * const c= &f->slice_context[0]->c;

  622. 

  623.     memset(state, 128, sizeof(state));

  624. 

  625.     if(f->version < 2){

  626.     put_symbol(c, state, f->version, 0);

  627.     put_symbol(c, state, f->ac, 0);

  628.     if(f->ac>1){

  629.         for(i=1; i<256; i++){

  630.             f->state_transition[i]=ver2_state[i];

  631.             put_symbol(c, state, ver2_state[i] - c->one_state[i], 1);

  632.         }

  633.     }

  634.     put_symbol(c, state, f->colorspace, 0); //YUV cs type

  635.     if(f->version>0)

  636.         put_symbol(c, state, f->avctx->bits_per_raw_sample, 0);

  637.     put_rac(c, state, 1); //chroma planes

  638.         put_symbol(c, state, f->chroma_h_shift, 0);

  639.         put_symbol(c, state, f->chroma_v_shift, 0);

  640.     put_rac(c, state, 0); //no transparency plane

  641. 

  642.     write_quant_tables(c, f->quant_table);

  643.     }else{

  644.         put_symbol(c, state, f->avctx->context_model, 0);

  645.     }

  646. }

  647. #endif /* CONFIG_FFV1_ENCODER */

  648. 

  649. static av_cold int common_init(AVCodecContext *avctx){

  650.     FFV1Context *s = avctx->priv_data;

  651. 

  652.     s->avctx= avctx;

  653.     s->flags= avctx->flags;

  654. 

  655.     dsputil_init(&s->dsp, avctx);

  656. 

  657.     s->width = avctx->width;

  658.     s->height= avctx->height;

  659. 

  660.     assert(s->width && s->height);

  661.     //defaults

  662.     s->num_h_slices=1;

  663.     s->num_v_slices=1;

  664. 

  665. 

  666.     return 0;

  667. }

  668. 

  669. #if CONFIG_FFV1_ENCODER

  670. static int write_extra_header(FFV1Context *f){

  671.     RangeCoder * const c= &f->c;

  672.     uint8_t state[CONTEXT_SIZE];

  673.     int i;

  674.     memset(state, 128, sizeof(state));

  675. 

  676.     f->avctx->extradata= av_malloc(f->avctx->extradata_size= 10000);

  677.     ff_init_range_encoder(c, f->avctx->extradata, f->avctx->extradata_size);

  678.     ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);

  679. 

  680.     put_symbol(c, state, f->version, 0);

  681.     put_symbol(c, state, f->ac, 0);

  682.     if(f->ac>1){

  683.         for(i=1; i<256; i++){

  684.             f->state_transition[i]=ver2_state[i];

  685.             put_symbol(c, state, ver2_state[i] - c->one_state[i], 1);

  686.         }

  687.     }

  688.     put_symbol(c, state, f->colorspace, 0); //YUV cs type

  689.     put_symbol(c, state, f->avctx->bits_per_raw_sample, 0);

  690.     put_rac(c, state, 1); //chroma planes

  691.         put_symbol(c, state, f->chroma_h_shift, 0);

  692.         put_symbol(c, state, f->chroma_v_shift, 0);

  693.     put_rac(c, state, 0); //no transparency plane

  694.     put_symbol(c, state, f->num_h_slices-1, 0);

  695.     put_symbol(c, state, f->num_v_slices-1, 0);

  696. 

  697.     put_symbol(c, state, f->quant_table_count, 0);

  698.     for(i=0; i<f->quant_table_count; i++)

  699.         write_quant_tables(c, f->quant_tables[i]);

  700. 

  701.     f->avctx->extradata_size= ff_rac_terminate(c);

  702. 

  703.     return 0;

  704. }

  705. 

  706. static int init_slice_state(FFV1Context *f){

  707.     int i, j;

  708. 

  709.     for(i=0; i<f->slice_count; i++){

  710.         FFV1Context *fs= f->slice_context[i];

  711.         for(j=0; j<f->plane_count; j++){

  712.             PlaneContext * const p= &fs->plane[j];

  713. 

  714.             if(fs->ac){

  715.                 if(!p->    state) p->    state= av_malloc(CONTEXT_SIZE*p->context_count*sizeof(uint8_t));

  716.                 if(!p->    state)

  717.                     return AVERROR(ENOMEM);

  718.             }else{

  719.                 if(!p->vlc_state) p->vlc_state= av_malloc(p->context_count*sizeof(VlcState));

  720.                 if(!p->vlc_state)

  721.                     return AVERROR(ENOMEM);

  722.             }

  723.         }

  724. 

  725.         if (fs->ac>1){

  726.             //FIXME only redo if state_transition changed

  727.             for(j=1; j<256; j++){

  728.                 fs->c.one_state [    j]= fs->state_transition[j];

  729.                 fs->c.zero_state[256-j]= 256-fs->c.one_state [j];

  730.             }

  731.         }

  732.     }

  733. 

  734.     return 0;

  735. }

  736. 

  737. static av_cold int init_slice_contexts(FFV1Context *f){

  738.     int i;

  739. 

  740.     f->slice_count= f->num_h_slices * f->num_v_slices;

  741. 

  742.     for(i=0; i<f->slice_count; i++){

  743.         FFV1Context *fs= av_mallocz(sizeof(*fs));

  744.         int sx= i % f->num_h_slices;

  745.         int sy= i / f->num_h_slices;

  746.         int sxs= f->avctx->width * sx    / f->num_h_slices;

  747.         int sxe= f->avctx->width *(sx+1) / f->num_h_slices;

  748.         int sys= f->avctx->height* sy    / f->num_v_slices;

  749.         int sye= f->avctx->height*(sy+1) / f->num_v_slices;

  750.         f->slice_context[i]= fs;

  751.         memcpy(fs, f, sizeof(*fs));

  752. 

  753.         fs->slice_width = sxe - sxs;

  754.         fs->slice_height= sye - sys;

  755.         fs->slice_x     = sxs;

  756.         fs->slice_y     = sys;

  757. 

  758.         fs->sample_buffer = av_malloc(6 * (fs->slice_width+6) * sizeof(*fs->sample_buffer));

  759.         if (!fs->sample_buffer)

  760.             return AVERROR(ENOMEM);

  761.     }

  762.     return 0;

  763. }

  764. 

  765. static av_cold int encode_init(AVCodecContext *avctx)

  766. {

  767.     FFV1Context *s = avctx->priv_data;

  768.     int i;

  769. 

  770.     common_init(avctx);

  771. 

  772.     s->version=0;

  773.     s->ac= avctx->coder_type ? 2:0;

  774. 

  775.     s->plane_count=2;

  776.     for(i=0; i<256; i++){

  777.         s->quant_table_count=2;

  778.         if(avctx->bits_per_raw_sample <=8){

  779.             s->quant_tables[0][0][i]=           quant11[i];

  780.             s->quant_tables[0][1][i]=        11*quant11[i];

  781.             s->quant_tables[0][2][i]=     11*11*quant11[i];

  782.             s->quant_tables[1][0][i]=           quant11[i];

  783.             s->quant_tables[1][1][i]=        11*quant11[i];

  784.             s->quant_tables[1][2][i]=     11*11*quant5 [i];

  785.             s->quant_tables[1][3][i]=   5*11*11*quant5 [i];

  786.             s->quant_tables[1][4][i]= 5*5*11*11*quant5 [i];

  787.         }else{

  788.             s->quant_tables[0][0][i]=           quant9_10bit[i];

  789.             s->quant_tables[0][1][i]=        11*quant9_10bit[i];

  790.             s->quant_tables[0][2][i]=     11*11*quant9_10bit[i];

  791.             s->quant_tables[1][0][i]=           quant9_10bit[i];

  792.             s->quant_tables[1][1][i]=        11*quant9_10bit[i];

  793.             s->quant_tables[1][2][i]=     11*11*quant5_10bit[i];

  794.             s->quant_tables[1][3][i]=   5*11*11*quant5_10bit[i];

  795.             s->quant_tables[1][4][i]= 5*5*11*11*quant5_10bit[i];

  796.         }

  797.     }

  798.     memcpy(s->quant_table, s->quant_tables[avctx->context_model], sizeof(s->quant_table));

  799. 

  800.     for(i=0; i<s->plane_count; i++){

  801.         PlaneContext * const p= &s->plane[i];

  802. 

  803.         if(avctx->context_model==0){

  804.             p->context_count= (11*11*11+1)/2;

  805.         }else{

  806.             p->context_count= (11*11*5*5*5+1)/2;

  807.         }

  808.     }

  809. 

  810.     avctx->coded_frame= &s->picture;

  811.     switch(avctx->pix_fmt){

  812.     case PIX_FMT_YUV444P16:

  813.     case PIX_FMT_YUV422P16:

  814.     case PIX_FMT_YUV420P16:

  815.         if(avctx->bits_per_raw_sample <=8){

  816.             av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample invalid\n");

  817.             return -1;

  818.         }

  819.         if(!s->ac){

  820.             av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample of more than 8 needs -coder 1 currently\n");

  821.             return -1;

  822.         }

  823.         s->version= FFMAX(s->version, 1);

  824.     case PIX_FMT_YUV444P:

  825.     case PIX_FMT_YUV422P:

  826.     case PIX_FMT_YUV420P:

  827.     case PIX_FMT_YUV411P:

  828.     case PIX_FMT_YUV410P:

  829.         s->colorspace= 0;

  830.         break;

  831.     case PIX_FMT_RGB32:

  832.         s->colorspace= 1;

  833.         break;

  834.     default:

  835.         av_log(avctx, AV_LOG_ERROR, "format not supported\n");

  836.         return -1;

  837.     }

  838.     avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift, &s->chroma_v_shift);

  839. 

  840.     s->picture_number=0;

  841. 

  842.     if(s->version>1){

  843.         s->num_h_slices=2;

  844.         s->num_v_slices=2;

  845.         write_extra_header(s);

  846.     }

  847. 

  848.     if(init_slice_contexts(s) < 0)

  849.         return -1;

  850.     if(init_slice_state(s) < 0)

  851.         return -1;

  852. 

  853.     return 0;

  854. }

  855. #endif /* CONFIG_FFV1_ENCODER */

  856. 

  857. 

  858. static void clear_state(FFV1Context *f){

  859.     int i, si, j;

  860. 

  861.     for(si=0; si<f->slice_count; si++){

  862.         FFV1Context *fs= f->slice_context[si];

  863.     for(i=0; i<f->plane_count; i++){

  864.         PlaneContext *p= &fs->plane[i];

  865. 

  866.         p->interlace_bit_state[0]= 128;

  867.         p->interlace_bit_state[1]= 128;

  868. 

  869.         for(j=0; j<p->context_count; j++){

  870.             if(fs->ac){

  871.                 memset(p->state[j], 128, sizeof(uint8_t)*CONTEXT_SIZE);

  872.             }else{

  873.                 p->vlc_state[j].drift= 0;

  874.                 p->vlc_state[j].error_sum= 4; //FFMAX((RANGE + 32)/64, 2);

  875.                 p->vlc_state[j].bias= 0;

  876.                 p->vlc_state[j].count= 1;

  877.             }

  878.         }

  879.     }

  880.     }

  881. }

  882. 

  883. #if CONFIG_FFV1_ENCODER

  884. static int encode_slice(AVCodecContext *c, void *arg){

  885.     FFV1Context *fs= *(void**)arg;

  886.     FFV1Context *f= fs->avctx->priv_data;

  887.     int width = fs->slice_width;

  888.     int height= fs->slice_height;

  889.     int x= fs->slice_x;

  890.     int y= fs->slice_y;

  891.     AVFrame * const p= &f->picture;

  892. 

  893.     if(f->colorspace==0){

  894.         const int chroma_width = -((-width )>>f->chroma_h_shift);

  895.         const int chroma_height= -((-height)>>f->chroma_v_shift);

  896.         const int cx= x>>f->chroma_h_shift;

  897.         const int cy= y>>f->chroma_v_shift;

  898. 

  899.         encode_plane(fs, p->data[0] + x + y*p->linesize[0], width, height, p->linesize[0], 0);

  900. 

  901.         encode_plane(fs, p->data[1] + cx+cy*p->linesize[1], chroma_width, chroma_height, p->linesize[1], 1);

  902.         encode_plane(fs, p->data[2] + cx+cy*p->linesize[2], chroma_width, chroma_height, p->linesize[2], 1);

  903.     }else{

  904.         encode_rgb_frame(fs, (uint32_t*)(p->data[0]) + x + y*(p->linesize[0]/4), width, height, p->linesize[0]/4);

  905.     }

  906.     emms_c();

  907. 

  908.     return 0;

  909. }

  910. 

  911. static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){

  912.     FFV1Context *f = avctx->priv_data;

  913.     RangeCoder * const c= &f->slice_context[0]->c;

  914.     AVFrame *pict = data;

  915.     AVFrame * const p= &f->picture;

  916.     int used_count= 0;

  917.     uint8_t keystate=128;

  918.     uint8_t *buf_p;

  919.     int i;

  920. 

  921.     ff_init_range_encoder(c, buf, buf_size);

  922.     ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);

  923. 

  924.     *p = *pict;

  925.     p->pict_type= FF_I_TYPE;

  926. 

  927.     if(avctx->gop_size==0 || f->picture_number % avctx->gop_size == 0){

  928.         put_rac(c, &keystate, 1);

  929.         p->key_frame= 1;

  930.         write_header(f);

  931.         clear_state(f);

  932.     }else{

  933.         put_rac(c, &keystate, 0);

  934.         p->key_frame= 0;

  935.     }

  936. 

  937.     if(!f->ac){

  938.         used_count += ff_rac_terminate(c);

  939. //printf("pos=%d\n", used_count);

  940.         init_put_bits(&f->slice_context[0]->pb, buf + used_count, buf_size - used_count);

  941.     }else if (f->ac>1){

  942.         int i;

  943.         for(i=1; i<256; i++){

  944.             c->one_state[i]= f->state_transition[i];

  945.             c->zero_state[256-i]= 256-c->one_state[i];

  946.         }

  947.     }

  948. 

  949.     for(i=1; i<f->slice_count; i++){

  950.         FFV1Context *fs= f->slice_context[i];

  951.         uint8_t *start= buf + (buf_size-used_count)*i/f->slice_count;

  952.         int len= buf_size/f->slice_count;

  953. 

  954.         if(fs->ac){

  955.             ff_init_range_encoder(&fs->c, start, len);

  956.         }else{

  957.             init_put_bits(&fs->pb, start, len);

  958.         }

  959.     }

  960.     avctx->execute(avctx, encode_slice, &f->slice_context[0], NULL, f->slice_count, sizeof(void*));

  961. 

  962.     buf_p=buf;

  963.     for(i=0; i<f->slice_count; i++){

  964.         FFV1Context *fs= f->slice_context[i];

  965.         int bytes;

  966. 

  967.         if(fs->ac){

  968.             uint8_t state=128;

  969.             put_rac(&fs->c, &state, 0);

  970.             bytes= ff_rac_terminate(&fs->c);

  971.         }else{

  972.             flush_put_bits(&fs->pb); //nicer padding FIXME

  973.             bytes= used_count + (put_bits_count(&fs->pb)+7)/8;

  974.             used_count= 0;

  975.         }

  976.         if(i>0){

  977.             av_assert0(bytes < buf_size/f->slice_count);

  978.             memmove(buf_p, fs->ac ? fs->c.bytestream_start : fs->pb.buf, bytes);

  979.             av_assert0(bytes < (1<<24));

  980.             AV_WB24(buf_p+bytes, bytes);

  981.             bytes+=3;

  982.         }

  983.         buf_p += bytes;

  984.     }

  985. 

  986.     f->picture_number++;

  987.     return buf_p-buf;

  988. }

  989. #endif /* CONFIG_FFV1_ENCODER */

  990. 

  991. static av_cold int common_end(AVCodecContext *avctx){

  992.     FFV1Context *s = avctx->priv_data;

  993.     int i, j;

  994. 

  995.     for(j=0; j<s->slice_count; j++){

  996.         FFV1Context *fs= s->slice_context[j];

  997.     for(i=0; i<s->plane_count; i++){

  998.         PlaneContext *p= &fs->plane[i];

  999. 

  1000.         av_freep(&p->state);

  1001.         av_freep(&p->vlc_state);

  1002.     }

  1003.         av_freep(&fs->sample_buffer);

  1004.     }

  1005. 

  1006.     return 0;

  1007. }

  1008. 

  1009. static av_always_inline void decode_line(FFV1Context *s, int w, int_fast16_t *sample[2], int plane_index, int bits){

  1010.     PlaneContext * const p= &s->plane[plane_index];

  1011.     RangeCoder * const c= &s->c;

  1012.     int x;

  1013.     int run_count=0;

  1014.     int run_mode=0;

  1015.     int run_index= s->run_index;

  1016. 

  1017.     for(x=0; x<w; x++){

  1018.         int diff, context, sign;

  1019. 

  1020.         context= get_context(s, sample[1] + x, sample[0] + x, sample[1] + x);

  1021.         if(context < 0){

  1022.             context= -context;

  1023.             sign=1;

  1024.         }else

  1025.             sign=0;

  1026. 

  1027. 

  1028.         if(s->ac){

  1029.             diff= get_symbol_inline(c, p->state[context], 1);

  1030.         }else{

  1031.             if(context == 0 && run_mode==0) run_mode=1;

  1032. 

  1033.             if(run_mode){

  1034.                 if(run_count==0 && run_mode==1){

  1035.                     if(get_bits1(&s->gb)){

  1036.                         run_count = 1<<ff_log2_run[run_index];

  1037.                         if(x + run_count <= w) run_index++;

  1038.                     }else{

  1039.                         if(ff_log2_run[run_index]) run_count = get_bits(&s->gb, ff_log2_run[run_index]);

  1040.                         else run_count=0;

  1041.                         if(run_index) run_index--;

  1042.                         run_mode=2;

  1043.                     }

  1044.                 }

  1045.                 run_count--;

  1046.                 if(run_count < 0){

  1047.                     run_mode=0;

  1048.                     run_count=0;

  1049.                     diff= get_vlc_symbol(&s->gb, &p->vlc_state[context], bits);

  1050.                     if(diff>=0) diff++;

  1051.                 }else

  1052.                     diff=0;

  1053.             }else

  1054.                 diff= get_vlc_symbol(&s->gb, &p->vlc_state[context], bits);

  1055. 

  1056. //            printf("count:%d index:%d, mode:%d, x:%d y:%d pos:%d\n", run_count, run_index, run_mode, x, y, get_bits_count(&s->gb));

  1057.         }

  1058. 

  1059.         if(sign) diff= -diff;

  1060. 

  1061.         sample[1][x]= (predict(sample[1] + x, sample[0] + x) + diff) & ((1<<bits)-1);

  1062.     }

  1063.     s->run_index= run_index;

  1064. }

  1065. 

  1066. static void decode_plane(FFV1Context *s, uint8_t *src, int w, int h, int stride, int plane_index){

  1067.     int x, y;

  1068.     int_fast16_t *sample[2];

  1069.     sample[0]=s->sample_buffer    +3;

  1070.     sample[1]=s->sample_buffer+w+6+3;

  1071. 

  1072.     s->run_index=0;

  1073. 

  1074.     memset(s->sample_buffer, 0, 2*(w+6)*sizeof(*s->sample_buffer));

  1075. 

  1076.     for(y=0; y<h; y++){

  1077.         int_fast16_t *temp= sample[0]; //FIXME try a normal buffer

  1078. 

  1079.         sample[0]= sample[1];

  1080.         sample[1]= temp;

  1081. 

  1082.         sample[1][-1]= sample[0][0  ];

  1083.         sample[0][ w]= sample[0][w-1];

  1084. 

  1085. //{START_TIMER

  1086.         if(s->avctx->bits_per_raw_sample <= 8){

  1087.             decode_line(s, w, sample, plane_index, 8);

  1088.             for(x=0; x<w; x++){

  1089.                 src[x + stride*y]= sample[1][x];

  1090.             }

  1091.         }else{

  1092.             decode_line(s, w, sample, plane_index, s->avctx->bits_per_raw_sample);

  1093.             for(x=0; x<w; x++){

  1094.                 ((uint16_t*)(src + stride*y))[x]= sample[1][x] << (16 - s->avctx->bits_per_raw_sample);

  1095.             }

  1096.         }

  1097. //STOP_TIMER("decode-line")}

  1098.     }

  1099. }

  1100. 

  1101. static void decode_rgb_frame(FFV1Context *s, uint32_t *src, int w, int h, int stride){

  1102.     int x, y, p;

  1103.     int_fast16_t *sample[3][2];

  1104.     for(x=0; x<3; x++){

  1105.         sample[x][0] = s->sample_buffer +  x*2   *(w+6) + 3;

  1106.         sample[x][1] = s->sample_buffer + (x*2+1)*(w+6) + 3;

  1107.     }

  1108. 

  1109.     s->run_index=0;

  1110. 

  1111.     memset(s->sample_buffer, 0, 6*(w+6)*sizeof(*s->sample_buffer));

  1112. 

  1113.     for(y=0; y<h; y++){

  1114.         for(p=0; p<3; p++){

  1115.             int_fast16_t *temp= sample[p][0]; //FIXME try a normal buffer

  1116. 

  1117.             sample[p][0]= sample[p][1];

  1118.             sample[p][1]= temp;

  1119. 

  1120.             sample[p][1][-1]= sample[p][0][0  ];

  1121.             sample[p][0][ w]= sample[p][0][w-1];

  1122.             decode_line(s, w, sample[p], FFMIN(p, 1), 9);

  1123.         }

  1124.         for(x=0; x<w; x++){

  1125.             int g= sample[0][1][x];

  1126.             int b= sample[1][1][x];

  1127.             int r= sample[2][1][x];

  1128. 

  1129. //            assert(g>=0 && b>=0 && r>=0);

  1130. //            assert(g<256 && b<512 && r<512);

  1131. 

  1132.             b -= 0x100;

  1133.             r -= 0x100;

  1134.             g -= (b + r)>>2;

  1135.             b += g;

  1136.             r += g;

  1137. 

  1138.             src[x + stride*y]= b + (g<<8) + (r<<16) + (0xFF<<24);

  1139.         }

  1140.     }

  1141. }

  1142. 

  1143. static int decode_slice(AVCodecContext *c, void *arg){

  1144.     FFV1Context *fs= *(void**)arg;

  1145.     FFV1Context *f= fs->avctx->priv_data;

  1146.     int width = fs->slice_width;

  1147.     int height= fs->slice_height;

  1148.     int x= fs->slice_x;

  1149.     int y= fs->slice_y;

  1150.     AVFrame * const p= &f->picture;

  1151. 

  1152.     av_assert1(width && height);

  1153.     if(f->colorspace==0){

  1154.         const int chroma_width = -((-width )>>f->chroma_h_shift);

  1155.         const int chroma_height= -((-height)>>f->chroma_v_shift);

  1156.         const int cx= x>>f->chroma_h_shift;

  1157.         const int cy= y>>f->chroma_v_shift;

  1158.         decode_plane(fs, p->data[0] + x + y*p->linesize[0], width, height, p->linesize[0], 0);

  1159. 

  1160.         decode_plane(fs, p->data[1] + cx+cy*p->linesize[1], chroma_width, chroma_height, p->linesize[1], 1);

  1161.         decode_plane(fs, p->data[2] + cx+cy*p->linesize[1], chroma_width, chroma_height, p->linesize[2], 1);

  1162.     }else{

  1163.         decode_rgb_frame(fs, (uint32_t*)p->data[0] + x + y*(p->linesize[0]/4), width, height, p->linesize[0]/4);

  1164.     }

  1165. 

  1166.     emms_c();

  1167. 

  1168.     return 0;

  1169. }

  1170. 

  1171. static int read_quant_table(RangeCoder *c, int16_t *quant_table, int scale){

  1172.     int v;

  1173.     int i=0;

  1174.     uint8_t state[CONTEXT_SIZE];

  1175. 

  1176.     memset(state, 128, sizeof(state));

  1177. 

  1178.     for(v=0; i<128 ; v++){

  1179.         int len= get_symbol(c, state, 0) + 1;

  1180. 

  1181.         if(len + i > 128) return -1;

  1182. 

  1183.         while(len--){

  1184.             quant_table[i] = scale*v;

  1185.             i++;

  1186. //printf("%2d ",v);

  1187. //if(i%16==0) printf("\n");

  1188.         }

  1189.     }

  1190. 

  1191.     for(i=1; i<128; i++){

  1192.         quant_table[256-i]= -quant_table[i];

  1193.     }

  1194.     quant_table[128]= -quant_table[127];

  1195. 

  1196.     return 2*v - 1;

  1197. }

  1198. 

  1199. static int read_quant_tables(RangeCoder *c, int16_t quant_table[5][256]){

  1200.     int i;

  1201.     int context_count=1;

  1202. 

  1203.     for(i=0; i<5; i++){

  1204.         context_count*= read_quant_table(c, quant_table[i], context_count);

  1205.         if(context_count > 32768U){

  1206.             return -1;

  1207.         }

  1208.     }

  1209.     return (context_count+1)/2;

  1210. }

  1211. 

  1212. static int read_extra_header(FFV1Context *f){

  1213.     RangeCoder * const c= &f->c;

  1214.     uint8_t state[CONTEXT_SIZE];

  1215.     int i;

  1216. 

  1217.     memset(state, 128, sizeof(state));

  1218. 

  1219.     ff_init_range_decoder(c, f->avctx->extradata, f->avctx->extradata_size);

  1220.     ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);

  1221. 

  1222.     f->version= get_symbol(c, state, 0);

  1223.     f->ac= f->avctx->coder_type= get_symbol(c, state, 0);

  1224.     if(f->ac>1){

  1225.         for(i=1; i<256; i++){

  1226.             f->state_transition[i]= get_symbol(c, state, 1) + c->one_state[i];

  1227.         }

  1228.     }

  1229.     f->colorspace= get_symbol(c, state, 0); //YUV cs type

  1230.     f->avctx->bits_per_raw_sample= get_symbol(c, state, 0);

  1231.     get_rac(c, state); //no chroma = false

  1232.     f->chroma_h_shift= get_symbol(c, state, 0);

  1233.     f->chroma_v_shift= get_symbol(c, state, 0);

  1234.     get_rac(c, state); //transparency plane

  1235.     f->plane_count= 2;

  1236.     f->num_h_slices= 1 + get_symbol(c, state, 0);

  1237.     f->num_v_slices= 1 + get_symbol(c, state, 0);

  1238.     if(f->num_h_slices > 256U || f->num_v_slices > 256U || f->num_h_slices*f->num_v_slices > MAX_SLICES){

  1239.         av_log(f->avctx, AV_LOG_ERROR, "too many slices\n");

  1240.         return -1;

  1241.     }

  1242. 

  1243.     f->quant_table_count= get_symbol(c, state, 0);

  1244.     if(f->quant_table_count > (unsigned)MAX_QUANT_TABLES)

  1245.         return -1;

  1246.     for(i=0; i<f->quant_table_count; i++){

  1247.         if((f->context_count[i]= read_quant_tables(c, f->quant_tables[i])) < 0){

  1248.             av_log(f->avctx, AV_LOG_ERROR, "read_quant_table error\n");

  1249.             return -1;

  1250.         }

  1251.     }

  1252. 

  1253.     return 0;

  1254. }

  1255. 

  1256. static int read_header(FFV1Context *f){

  1257.     uint8_t state[CONTEXT_SIZE];

  1258.     int i, j, context_count;

  1259.     RangeCoder * const c= &f->slice_context[0]->c;

  1260. 

  1261.     memset(state, 128, sizeof(state));

  1262. 

  1263.     if(f->version < 2){

  1264.     f->version= get_symbol(c, state, 0);

  1265.     f->ac= f->avctx->coder_type= get_symbol(c, state, 0);

  1266.     if(f->ac>1){

  1267.         for(i=1; i<256; i++){

  1268.             f->state_transition[i]= get_symbol(c, state, 1) + c->one_state[i];

  1269.         }

  1270.     }

  1271.     f->colorspace= get_symbol(c, state, 0); //YUV cs type

  1272.     if(f->version>0)

  1273.         f->avctx->bits_per_raw_sample= get_symbol(c, state, 0);

  1274.     get_rac(c, state); //no chroma = false

  1275.     f->chroma_h_shift= get_symbol(c, state, 0);

  1276.     f->chroma_v_shift= get_symbol(c, state, 0);

  1277.     get_rac(c, state); //transparency plane

  1278.     f->plane_count= 2;

  1279.     }

  1280. 

  1281.     if(f->colorspace==0){

  1282.         if(f->avctx->bits_per_raw_sample<=8){

  1283.             switch(16*f->chroma_h_shift + f->chroma_v_shift){

  1284.             case 0x00: f->avctx->pix_fmt= PIX_FMT_YUV444P; break;

  1285.             case 0x10: f->avctx->pix_fmt= PIX_FMT_YUV422P; break;

  1286.             case 0x11: f->avctx->pix_fmt= PIX_FMT_YUV420P; break;

  1287.             case 0x20: f->avctx->pix_fmt= PIX_FMT_YUV411P; break;

  1288.             case 0x22: f->avctx->pix_fmt= PIX_FMT_YUV410P; break;

  1289.             default:

  1290.                 av_log(f->avctx, AV_LOG_ERROR, "format not supported\n");

  1291.                 return -1;

  1292.             }

  1293.         }else{

  1294.             switch(16*f->chroma_h_shift + f->chroma_v_shift){

  1295.             case 0x00: f->avctx->pix_fmt= PIX_FMT_YUV444P16; break;

  1296.             case 0x10: f->avctx->pix_fmt= PIX_FMT_YUV422P16; break;

  1297.             case 0x11: f->avctx->pix_fmt= PIX_FMT_YUV420P16; break;

  1298.             default:

  1299.                 av_log(f->avctx, AV_LOG_ERROR, "format not supported\n");

  1300.                 return -1;

  1301.             }

  1302.         }

  1303.     }else if(f->colorspace==1){

  1304.         if(f->chroma_h_shift || f->chroma_v_shift){

  1305.             av_log(f->avctx, AV_LOG_ERROR, "chroma subsampling not supported in this colorspace\n");

  1306.             return -1;

  1307.         }

  1308.         f->avctx->pix_fmt= PIX_FMT_RGB32;

  1309.     }else{

  1310.         av_log(f->avctx, AV_LOG_ERROR, "colorspace not supported\n");

  1311.         return -1;

  1312.     }

  1313. 

  1314. //printf("%d %d %d\n", f->chroma_h_shift, f->chroma_v_shift,f->avctx->pix_fmt);

  1315.     if(f->version < 2){

  1316.     context_count= read_quant_tables(c, f->quant_table);

  1317.     if(context_count < 0){

  1318.             av_log(f->avctx, AV_LOG_ERROR, "read_quant_table error\n");

  1319.             return -1;

  1320.         }

  1321. 

  1322.     }else{

  1323.         i=get_symbol(c, state, 0);

  1324.         if(i > (unsigned)f->quant_table_count){

  1325.             av_log(f->avctx, AV_LOG_ERROR, "quant_table_index out of range\n");

  1326.             return -1;

  1327.         }

  1328.         memcpy(f->quant_table, f->quant_tables[i], sizeof(f->quant_table));

  1329.         context_count= f->context_count[i];

  1330.     }

  1331.     for(j=0; j<f->slice_count; j++){

  1332.         FFV1Context *fs= f->slice_context[j];

  1333.         memcpy(fs->quant_table, f->quant_table, sizeof(fs->quant_table));

  1334.         fs->ac= f->ac;

  1335.     for(i=0; i<f->plane_count; i++){

  1336.         PlaneContext * const p= &fs->plane[i];

  1337. 

  1338.         if(p->context_count < context_count){

  1339.             av_freep(&p->state);

  1340.             av_freep(&p->vlc_state);

  1341.         }

  1342.         p->context_count= context_count;

  1343.     }

  1344.     }

  1345. 

  1346.     return 0;

  1347. }

  1348. 

  1349. static av_cold int decode_init(AVCodecContext *avctx)

  1350. {

  1351.     FFV1Context *f = avctx->priv_data;

  1352. 

  1353.     common_init(avctx);

  1354. 

  1355.     if(avctx->extradata && read_extra_header(f) < 0)

  1356.         return -1;

  1357. 

  1358.     if(init_slice_contexts(f) < 0)

  1359.         return -1;

  1360. 

  1361.     return 0;

  1362. }

  1363. 

  1364. static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt){

  1365.     const uint8_t *buf = avpkt->data;

  1366.     int buf_size = avpkt->size;

  1367.     FFV1Context *f = avctx->priv_data;

  1368.     RangeCoder * const c= &f->slice_context[0]->c;

  1369.     AVFrame * const p= &f->picture;

  1370.     int bytes_read, i;

  1371.     uint8_t keystate= 128;

  1372.     const uint8_t *buf_p;

  1373. 

  1374.     AVFrame *picture = data;

  1375. 

  1376.     ff_init_range_decoder(c, buf, buf_size);

  1377.     ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);

  1378. 

  1379. 

  1380.     p->pict_type= FF_I_TYPE; //FIXME I vs. P

  1381.     if(get_rac(c, &keystate)){

  1382.         p->key_frame= 1;

  1383.         if(read_header(f) < 0)

  1384.             return -1;

  1385.         if(init_slice_state(f) < 0)

  1386.             return -1;

  1387. 

  1388.         clear_state(f);

  1389.     }else{

  1390.         p->key_frame= 0;

  1391.     }

  1392.     if(f->ac>1){

  1393.         int i;

  1394.         for(i=1; i<256; i++){

  1395.             c->one_state[i]= f->state_transition[i];

  1396.             c->zero_state[256-i]= 256-c->one_state[i];

  1397.         }

  1398.     }

  1399. 

  1400.     p->reference= 0;

  1401.     if(avctx->get_buffer(avctx, p) < 0){

  1402.         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");

  1403.         return -1;

  1404.     }

  1405. 

  1406.     if(avctx->debug&FF_DEBUG_PICT_INFO)

  1407.         av_log(avctx, AV_LOG_ERROR, "keyframe:%d coder:%d\n", p->key_frame, f->ac);

  1408. 

  1409.     if(!f->ac){

  1410.         bytes_read = c->bytestream - c->bytestream_start - 1;

  1411.         if(bytes_read ==0) av_log(avctx, AV_LOG_ERROR, "error at end of AC stream\n"); //FIXME

  1412. //printf("pos=%d\n", bytes_read);

  1413.         init_get_bits(&f->slice_context[0]->gb, buf + bytes_read, buf_size - bytes_read);

  1414.     } else {

  1415.         bytes_read = 0; /* avoid warning */

  1416.     }

  1417. 

  1418.     buf_p= buf + buf_size;

  1419.     for(i=f->slice_count-1; i>0; i--){

  1420.         FFV1Context *fs= f->slice_context[i];

  1421.         int v= AV_RB24(buf_p-3)+3;

  1422.         if(buf_p - buf <= v){

  1423.             av_log(avctx, AV_LOG_ERROR, "Slice pointer chain broken\n");

  1424.             return -1;

  1425.         }

  1426.         buf_p -= v;

  1427.         if(fs->ac){

  1428.             ff_init_range_decoder(&fs->c, buf_p, v);

  1429.         }else{

  1430.             init_get_bits(&fs->gb, buf_p, v);

  1431.         }

  1432.     }

  1433. 

  1434.     avctx->execute(avctx, decode_slice, &f->slice_context[0], NULL, f->slice_count, sizeof(void*));

  1435.     f->picture_number++;

  1436. 

  1437.     *picture= *p;

  1438. 

  1439.     avctx->release_buffer(avctx, p); //FIXME

  1440. 

  1441.     *data_size = sizeof(AVFrame);

  1442. 

  1443.     return buf_size;

  1444. }

  1445. 

  1446. AVCodec ffv1_decoder = {

  1447.     "ffv1",

  1448.     AVMEDIA_TYPE_VIDEO,

  1449.     CODEC_ID_FFV1,

  1450.     sizeof(FFV1Context),

  1451.     decode_init,

  1452.     NULL,

  1453.     common_end,

  1454.     decode_frame,

  1455.     CODEC_CAP_DR1 /*| CODEC_CAP_DRAW_HORIZ_BAND*/,

  1456.     NULL,

  1457.     .long_name= NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"),

  1458. };

  1459. 

  1460. #if CONFIG_FFV1_ENCODER

  1461. AVCodec ffv1_encoder = {

  1462.     "ffv1",

  1463.     AVMEDIA_TYPE_VIDEO,

  1464.     CODEC_ID_FFV1,

  1465.     sizeof(FFV1Context),

  1466.     encode_init,

  1467.     encode_frame,

  1468.     common_end,

  1469.     .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV444P, PIX_FMT_YUV422P, PIX_FMT_YUV411P, PIX_FMT_YUV410P, PIX_FMT_RGB32, PIX_FMT_YUV420P16, PIX_FMT_YUV422P16, PIX_FMT_YUV444P16, PIX_FMT_NONE},

  1470.     .long_name= NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"),

  1471. };

  1472. #endif