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FFmpeg/libavcodec/ffv1enc.c

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  1. /*

  2.  * FFV1 encoder for libavcodec

  3.  *

  4.  * Copyright (c) 2003-2012 Michael Niedermayer <michaelni@gmx.at>

  5.  *

  6.  * This file is part of Libav.

  7.  *

  8.  * Libav 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.  * Libav 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 Libav; 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) encoder

  26.  */

  27. 

  28. #include "libavutil/avassert.h"

  29. #include "libavutil/pixdesc.h"

  30. #include "libavutil/crc.h"

  31. #include "libavutil/opt.h"

  32. #include "libavutil/imgutils.h"

  33. #include "avcodec.h"

  34. #include "internal.h"

  35. #include "get_bits.h"

  36. #include "put_bits.h"

  37. #include "rangecoder.h"

  38. #include "golomb.h"

  39. #include "mathops.h"

  40. #include "ffv1.h"

  41. 

  42. static void find_best_state(uint8_t best_state[256][256],

  43.                             const uint8_t one_state[256])

  44. {

  45.     int i, j, k, m;

  46.     double l2tab[256];

  47. 

  48.     for (i = 1; i < 256; i++)

  49.         l2tab[i] = log2(i / 256.0);

  50. 

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

  52.         double best_len[256];

  53.         double p = i / 256.0;

  54. 

  55.         for (j = 0; j < 256; j++)

  56.             best_len[j] = 1 << 30;

  57. 

  58.         for (j = FFMAX(i - 10, 1); j < FFMIN(i + 11, 256); j++) {

  59.             double occ[256] = { 0 };

  60.             double len      = 0;

  61.             occ[j] = 1.0;

  62.             for (k = 0; k < 256; k++) {

  63.                 double newocc[256] = { 0 };

  64.                 for (m = 1; m < 256; m++)

  65.                     if (occ[m]) {

  66.                         len -= occ[m] *     (p  * l2tab[m] +

  67.                                         (1 - p) * l2tab[256 - m]);

  68.                     }

  69.                 if (len < best_len[k]) {

  70.                     best_len[k]      = len;

  71.                     best_state[i][k] = j;

  72.                 }

  73.                 for (m = 0; m < 256; m++)

  74.                     if (occ[m]) {

  75.                         newocc[one_state[m]]             += occ[m] * p;

  76.                         newocc[256 - one_state[256 - m]] += occ[m] * (1 - p);

  77.                     }

  78.                 memcpy(occ, newocc, sizeof(occ));

  79.             }

  80.         }

  81.     }

  82. }

  83. 

  84. static av_always_inline av_flatten void put_symbol_inline(RangeCoder *c,

  85.                                                           uint8_t *state, int v,

  86.                                                           int is_signed,

  87.                                                           uint64_t rc_stat[256][2],

  88.                                                           uint64_t rc_stat2[32][2])

  89. {

  90.     int i;

  91. 

  92. #define put_rac(C, S, B)                        \

  93.     do {                                        \

  94.         if (rc_stat) {                          \

  95.             rc_stat[*(S)][B]++;                 \

  96.             rc_stat2[(S) - state][B]++;         \

  97.         }                                       \

  98.         put_rac(C, S, B);                       \

  99.     } while (0)

  100. 

  101.     if (v) {

  102.         const int a = FFABS(v);

  103.         const int e = av_log2(a);

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

  105.         if (e <= 9) {

  106.             for (i = 0; i < e; i++)

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

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

  109. 

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

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

  112. 

  113.             if (is_signed)

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

  115.         } else {

  116.             for (i = 0; i < e; i++)

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

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

  119. 

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

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

  122. 

  123.             if (is_signed)

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

  125.         }

  126.     } else {

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

  128.     }

  129. #undef put_rac

  130. }

  131. 

  132. static av_noinline void put_symbol(RangeCoder *c, uint8_t *state,

  133.                                    int v, int is_signed)

  134. {

  135.     put_symbol_inline(c, state, v, is_signed, NULL, NULL);

  136. }

  137. 

  138. static inline void put_vlc_symbol(PutBitContext *pb, VlcState *const state,

  139.                                   int v, int bits)

  140. {

  141.     int i, k, code;

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

  143. 

  144.     i = state->count;

  145.     k = 0;

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

  147.         k++;

  148.         i += i;

  149.     }

  150. 

  151.     assert(k <= 13);

  152. 

  153. #if 0 // JPEG LS

  154.     if (k == 0 && 2 * state->drift <= -state->count)

  155.         code = v ^ (-1);

  156.     else

  157.         code = v;

  158. #else

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

  160. #endif

  161. 

  162.     av_dlog(NULL, "v:%d/%d bias:%d error:%d drift:%d count:%d k:%d\n", v, code,

  163.             state->bias, state->error_sum, state->drift, state->count, k);

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

  165. 

  166.     update_vlc_state(state, v);

  167. }

  168. 

  169. static av_always_inline int encode_line(FFV1Context *s, int w,

  170.                                         int16_t *sample[3],

  171.                                         int plane_index, int bits)

  172. {

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

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

  175.     int x;

  176.     int run_index = s->run_index;

  177.     int run_count = 0;

  178.     int run_mode  = 0;

  179. 

  180.     if (s->ac) {

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

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

  183.             return AVERROR_INVALIDDATA;

  184.         }

  185.     } else {

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

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

  188.             return AVERROR_INVALIDDATA;

  189.         }

  190.     }

  191. 

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

  193.         int diff, context;

  194. 

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

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

  197. 

  198.         if (context < 0) {

  199.             context = -context;

  200.             diff    = -diff;

  201.         }

  202. 

  203.         diff = fold(diff, bits);

  204. 

  205.         if (s->ac) {

  206.             if (s->flags & CODEC_FLAG_PASS1) {

  207.                 put_symbol_inline(c, p->state[context], diff, 1, s->rc_stat,

  208.                                   s->rc_stat2[p->quant_table_index][context]);

  209.             } else {

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

  211.             }

  212.         } else {

  213.             if (context == 0)

  214.                 run_mode = 1;

  215. 

  216.             if (run_mode) {

  217.                 if (diff) {

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

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

  220.                         run_index++;

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

  222.                     }

  223. 

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

  225.                     if (run_index)

  226.                         run_index--;

  227.                     run_count = 0;

  228.                     run_mode  = 0;

  229.                     if (diff > 0)

  230.                         diff--;

  231.                 } else {

  232.                     run_count++;

  233.                 }

  234.             }

  235. 

  236.             av_dlog(s->avctx, "count:%d index:%d, mode:%d, x:%d pos:%d\n",

  237.                     run_count, run_index, run_mode, x,

  238.                     (int)put_bits_count(&s->pb));

  239. 

  240.             if (run_mode == 0)

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

  242.         }

  243.     }

  244.     if (run_mode) {

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

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

  247.             run_index++;

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

  249.         }

  250. 

  251.         if (run_count)

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

  253.     }

  254.     s->run_index = run_index;

  255. 

  256.     return 0;

  257. }

  258. 

  259. static void encode_plane(FFV1Context *s, uint8_t *src, int w, int h,

  260.                          int stride, int plane_index)

  261. {

  262.     int x, y, i;

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

  264.     int16_t *sample[3];

  265.     s->run_index = 0;

  266. 

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

  268. 

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

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

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

  272. 

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

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

  275. // { START_TIMER

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

  277.             for (x = 0; x < w; x++)

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

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

  280.         } else {

  281.             if (s->packed_at_lsb) {

  282.                 for (x = 0; x < w; x++)

  283.                     sample[0][x] = ((uint16_t *)(src + stride * y))[x];

  284.             } else {

  285.                 for (x = 0; x < w; x++)

  286.                     sample[0][x] =

  287.                         ((uint16_t *)(src + stride * y))[x] >> (16 - s->bits_per_raw_sample);

  288.             }

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

  290.         }

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

  292.     }

  293. }

  294. 

  295. static void encode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h,

  296.                              int stride[3])

  297. {

  298.     int x, y, p, i;

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

  300.     int16_t *sample[MAX_PLANES][3];

  301.     int lbd  = s->avctx->bits_per_raw_sample <= 8;

  302.     int bits = s->avctx->bits_per_raw_sample > 0

  303.                ? s->avctx->bits_per_raw_sample

  304.                : 8;

  305.     int offset = 1 << bits;

  306. 

  307.     s->run_index = 0;

  308. 

  309.     memset(s->sample_buffer, 0, ring_size * MAX_PLANES *

  310.                                 (w + 6) * sizeof(*s->sample_buffer));

  311. 

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

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

  314.             for (p = 0; p < MAX_PLANES; p++)

  315.                 sample[p][i] = s->sample_buffer + p * ring_size *

  316.                                (w + 6) +

  317.                                ((h + i - y) % ring_size) * (w + 6) + 3;

  318. 

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

  320.             int b, g, r, av_uninit(a);

  321.             if (lbd) {

  322.                 unsigned v = *((uint32_t *)(src[0] + x * 4 + stride[0] * y));

  323.                 b = v & 0xFF;

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

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

  326.                 a = v >> 24;

  327.             } else {

  328.                 b = *((uint16_t *)(src[0] + x * 2 + stride[0] * y));

  329.                 g = *((uint16_t *)(src[1] + x * 2 + stride[1] * y));

  330.                 r = *((uint16_t *)(src[2] + x * 2 + stride[2] * y));

  331.             }

  332. 

  333.             b -= g;

  334.             r -= g;

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

  336.             b += offset;

  337.             r += offset;

  338. 

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

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

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

  342.             sample[3][0][x] = a;

  343.         }

  344.         for (p = 0; p < 3 + s->transparency; p++) {

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

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

  347.             if (lbd)

  348.                 encode_line(s, w, sample[p], (p + 1) / 2, 9);

  349.             else

  350.                 encode_line(s, w, sample[p], (p + 1) / 2, bits + 1);

  351.         }

  352.     }

  353. }

  354. 

  355. 

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

  357. {

  358.     int last = 0;

  359.     int i;

  360.     uint8_t state[CONTEXT_SIZE];

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

  362. 

  363.     for (i = 1; i < 128; i++)

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

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

  366.             last = i;

  367.         }

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

  369. }

  370. 

  371. static void write_quant_tables(RangeCoder *c,

  372.                                int16_t quant_table[MAX_CONTEXT_INPUTS][256])

  373. {

  374.     int i;

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

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

  377. }

  378. 

  379. static void write_header(FFV1Context *f)

  380. {

  381.     uint8_t state[CONTEXT_SIZE];

  382.     int i, j;

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

  384. 

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

  386. 

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

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

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

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

  391.             for (i = 1; i < 256; i++)

  392.                 put_symbol(c, state,

  393.                            f->state_transition[i] - c->one_state[i], 1);

  394.         }

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

  396.         if (f->version > 0)

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

  398.         put_rac(c, state, f->chroma_planes);

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

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

  401.         put_rac(c, state, f->transparency);

  402. 

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

  404.     } else if (f->version < 3) {

  405.         put_symbol(c, state, f->slice_count, 0);

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

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

  408.             put_symbol(c, state,

  409.                        (fs->slice_x      + 1) * f->num_h_slices / f->width, 0);

  410.             put_symbol(c, state,

  411.                        (fs->slice_y      + 1) * f->num_v_slices / f->height, 0);

  412.             put_symbol(c, state,

  413.                        (fs->slice_width  + 1) * f->num_h_slices / f->width - 1,

  414.                        0);

  415.             put_symbol(c, state,

  416.                        (fs->slice_height + 1) * f->num_v_slices / f->height - 1,

  417.                        0);

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

  419.                 put_symbol(c, state, f->plane[j].quant_table_index, 0);

  420.                 av_assert0(f->plane[j].quant_table_index == f->avctx->context_model);

  421.             }

  422.         }

  423.     }

  424. }

  425. 

  426. static int write_extradata(FFV1Context *f)

  427. {

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

  429.     uint8_t state[CONTEXT_SIZE];

  430.     int i, j, k;

  431.     uint8_t state2[32][CONTEXT_SIZE];

  432.     unsigned v;

  433. 

  434.     memset(state2, 128, sizeof(state2));

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

  436. 

  437.     f->avctx->extradata_size = 10000 + 4 +

  438.                                     (11 * 11 * 5 * 5 * 5 + 11 * 11 * 11) * 32;

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

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

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

  442. 

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

  444.     if (f->version > 2) {

  445.         if (f->version == 3)

  446.             f->minor_version = 2;

  447.         put_symbol(c, state, f->minor_version, 0);

  448.     }

  449. 

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

  451.     if (f->ac > 1)

  452.         for (i = 1; i < 256; i++)

  453.             put_symbol(c, state, f->state_transition[i] - c->one_state[i], 1);

  454. 

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

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

  457.     put_rac(c, state, f->chroma_planes);

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

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

  460.     put_rac(c, state, f->transparency);

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

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

  463. 

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

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

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

  467. 

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

  469.         for (j = 0; j < f->context_count[i] * CONTEXT_SIZE; j++)

  470.             if (f->initial_states[i] && f->initial_states[i][0][j] != 128)

  471.                 break;

  472.         if (j < f->context_count[i] * CONTEXT_SIZE) {

  473.             put_rac(c, state, 1);

  474.             for (j = 0; j < f->context_count[i]; j++)

  475.                 for (k = 0; k < CONTEXT_SIZE; k++) {

  476.                     int pred = j ? f->initial_states[i][j - 1][k] : 128;

  477.                     put_symbol(c, state2[k],

  478.                                (int8_t)(f->initial_states[i][j][k] - pred), 1);

  479.                 }

  480.         } else {

  481.             put_rac(c, state, 0);

  482.         }

  483.     }

  484. 

  485.     if (f->version > 2) {

  486.         put_symbol(c, state, f->ec, 0);

  487.     }

  488. 

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

  490. 

  491.     v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0,

  492.                f->avctx->extradata, f->avctx->extradata_size);

  493.     AV_WL32(f->avctx->extradata + f->avctx->extradata_size, v);

  494.     f->avctx->extradata_size += 4;

  495. 

  496.     return 0;

  497. }

  498. 

  499. static int sort_stt(FFV1Context *s, uint8_t stt[256])

  500. {

  501.     int i, i2, changed, print = 0;

  502. 

  503.     do {

  504.         changed = 0;

  505.         for (i = 12; i < 244; i++) {

  506.             for (i2 = i + 1; i2 < 245 && i2 < i + 4; i2++) {

  507. 

  508. #define COST(old, new)                                      \

  509.     s->rc_stat[old][0] * -log2((256 - (new)) / 256.0) +     \

  510.     s->rc_stat[old][1] * -log2((new)         / 256.0)

  511. 

  512. #define COST2(old, new)                         \

  513.     COST(old, new) + COST(256 - (old), 256 - (new))

  514. 

  515.                 double size0 = COST2(i,  i) + COST2(i2, i2);

  516.                 double sizeX = COST2(i, i2) + COST2(i2, i);

  517.                 if (sizeX < size0 && i != 128 && i2 != 128) {

  518.                     int j;

  519.                     FFSWAP(int, stt[i], stt[i2]);

  520.                     FFSWAP(int, s->rc_stat[i][0], s->rc_stat[i2][0]);

  521.                     FFSWAP(int, s->rc_stat[i][1], s->rc_stat[i2][1]);

  522.                     if (i != 256 - i2) {

  523.                         FFSWAP(int, stt[256 - i], stt[256 - i2]);

  524.                         FFSWAP(int, s->rc_stat[256 - i][0], s->rc_stat[256 - i2][0]);

  525.                         FFSWAP(int, s->rc_stat[256 - i][1], s->rc_stat[256 - i2][1]);

  526.                     }

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

  528.                         if (stt[j] == i)

  529.                             stt[j] = i2;

  530.                         else if (stt[j] == i2)

  531.                             stt[j] = i;

  532.                         if (i != 256 - i2) {

  533.                             if (stt[256 - j] == 256 - i)

  534.                                 stt[256 - j] = 256 - i2;

  535.                             else if (stt[256 - j] == 256 - i2)

  536.                                 stt[256 - j] = 256 - i;

  537.                         }

  538.                     }

  539.                     print = changed = 1;

  540.                 }

  541.             }

  542.         }

  543.     } while (changed);

  544.     return print;

  545. }

  546. 

  547. static int init_slices_state(FFV1Context *f)

  548. {

  549.     int i, ret;

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

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

  552.         if ((ret = ffv1_init_slice_state(f, fs)) < 0)

  553.             return AVERROR(ENOMEM);

  554.     }

  555.     return 0;

  556. }

  557. 

  558. static av_cold int ffv1_encode_init(AVCodecContext *avctx)

  559. {

  560.     FFV1Context *s = avctx->priv_data;

  561.     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);

  562.     int i, j, k, m, ret;

  563. 

  564.     ffv1_common_init(avctx);

  565. 

  566.     s->version = 0;

  567. 

  568.     if ((avctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) ||

  569.         avctx->slices > 1)

  570.         s->version = FFMAX(s->version, 2);

  571. 

  572.     if (avctx->level == 3) {

  573.         s->version = 3;

  574.     }

  575. 

  576.     if (s->ec < 0) {

  577.         s->ec = (s->version >= 3);

  578.     }

  579. 

  580.     if (s->version >= 2 &&

  581.         avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {

  582.         av_log(avctx, AV_LOG_ERROR,

  583.                "Version %d requested, please set -strict experimental in "

  584.                "order to enable it\n",

  585.                s->version);

  586.         return AVERROR(ENOSYS);

  587.     }

  588. 

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

  590. 

  591.     s->plane_count = 3;

  592.     switch (avctx->pix_fmt) {

  593.     case AV_PIX_FMT_YUV444P9:

  594.     case AV_PIX_FMT_YUV422P9:

  595.     case AV_PIX_FMT_YUV420P9:

  596.         if (!avctx->bits_per_raw_sample)

  597.             s->bits_per_raw_sample = 9;

  598.     case AV_PIX_FMT_YUV444P10:

  599.     case AV_PIX_FMT_YUV420P10:

  600.     case AV_PIX_FMT_YUV422P10:

  601.         s->packed_at_lsb = 1;

  602.         if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)

  603.             s->bits_per_raw_sample = 10;

  604.     case AV_PIX_FMT_GRAY16:

  605.     case AV_PIX_FMT_YUV444P16:

  606.     case AV_PIX_FMT_YUV422P16:

  607.     case AV_PIX_FMT_YUV420P16:

  608.         if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) {

  609.             s->bits_per_raw_sample = 16;

  610.         } else if (!s->bits_per_raw_sample) {

  611.             s->bits_per_raw_sample = avctx->bits_per_raw_sample;

  612.         }

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

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

  615.             return AVERROR_INVALIDDATA;

  616.         }

  617.         if (!s->ac && avctx->coder_type == -1) {

  618.             av_log(avctx, AV_LOG_INFO,

  619.                    "bits_per_raw_sample > 8, forcing coder 1\n");

  620.             s->ac = 2;

  621.         }

  622.         if (!s->ac) {

  623.             av_log(

  624.                 avctx, AV_LOG_ERROR,

  625.                 "bits_per_raw_sample of more than 8 needs -coder 1 currently\n");

  626.             return AVERROR_INVALIDDATA;

  627.         }

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

  629.     case AV_PIX_FMT_GRAY8:

  630.     case AV_PIX_FMT_YUV444P:

  631.     case AV_PIX_FMT_YUV440P:

  632.     case AV_PIX_FMT_YUV422P:

  633.     case AV_PIX_FMT_YUV420P:

  634.     case AV_PIX_FMT_YUV411P:

  635.     case AV_PIX_FMT_YUV410P:

  636.         s->chroma_planes = desc->nb_components < 3 ? 0 : 1;

  637.         s->colorspace    = 0;

  638.         break;

  639.     case AV_PIX_FMT_YUVA444P:

  640.     case AV_PIX_FMT_YUVA422P:

  641.     case AV_PIX_FMT_YUVA420P:

  642.         s->chroma_planes = 1;

  643.         s->colorspace    = 0;

  644.         s->transparency  = 1;

  645.         break;

  646.     case AV_PIX_FMT_RGB32:

  647.         s->colorspace   = 1;

  648.         s->transparency = 1;

  649.         break;

  650.     case AV_PIX_FMT_GBRP9:

  651.         if (!avctx->bits_per_raw_sample)

  652.             s->bits_per_raw_sample = 9;

  653.     case AV_PIX_FMT_GBRP10:

  654.         if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)

  655.             s->bits_per_raw_sample = 10;

  656.     case AV_PIX_FMT_GBRP16:

  657.         if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)

  658.             s->bits_per_raw_sample = 16;

  659.         else if (!s->bits_per_raw_sample)

  660.             s->bits_per_raw_sample = avctx->bits_per_raw_sample;

  661.         s->colorspace    = 1;

  662.         s->chroma_planes = 1;

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

  664.         break;

  665.     default:

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

  667.         return AVERROR_INVALIDDATA;

  668.     }

  669.     if (s->transparency) {

  670.         av_log(

  671.             avctx, AV_LOG_WARNING,

  672.             "Storing alpha plane, this will require a recent FFV1 decoder to playback!\n");

  673.     }

  674.     if (avctx->context_model > 1U) {

  675.         av_log(avctx, AV_LOG_ERROR,

  676.                "Invalid context model %d, valid values are 0 and 1\n",

  677.                avctx->context_model);

  678.         return AVERROR(EINVAL);

  679.     }

  680. 

  681.     if (s->ac > 1)

  682.         for (i = 1; i < 256; i++)

  683.             s->state_transition[i] = ffv1_ver2_state[i];

  684. 

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

  686.         s->quant_table_count = 2;

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

  688.             s->quant_tables[0][0][i] = ffv1_quant11[i];

  689.             s->quant_tables[0][1][i] = ffv1_quant11[i] * 11;

  690.             s->quant_tables[0][2][i] = ffv1_quant11[i] * 11 * 11;

  691.             s->quant_tables[1][0][i] = ffv1_quant11[i];

  692.             s->quant_tables[1][1][i] = ffv1_quant11[i] * 11;

  693.             s->quant_tables[1][2][i] = ffv1_quant5[i]  * 11 * 11;

  694.             s->quant_tables[1][3][i] = ffv1_quant5[i]  *  5 * 11 * 11;

  695.             s->quant_tables[1][4][i] = ffv1_quant5[i]  *  5 *  5 * 11 * 11;

  696.         } else {

  697.             s->quant_tables[0][0][i] = ffv1_quant9_10bit[i];

  698.             s->quant_tables[0][1][i] = ffv1_quant9_10bit[i] * 11;

  699.             s->quant_tables[0][2][i] = ffv1_quant9_10bit[i] * 11 * 11;

  700.             s->quant_tables[1][0][i] = ffv1_quant9_10bit[i];

  701.             s->quant_tables[1][1][i] = ffv1_quant9_10bit[i] * 11;

  702.             s->quant_tables[1][2][i] = ffv1_quant5_10bit[i] * 11 * 11;

  703.             s->quant_tables[1][3][i] = ffv1_quant5_10bit[i] *  5 * 11 * 11;

  704.             s->quant_tables[1][4][i] = ffv1_quant5_10bit[i] *  5 *  5 * 11 * 11;

  705.         }

  706.     }

  707.     s->context_count[0] = (11 * 11 * 11        + 1) / 2;

  708.     s->context_count[1] = (11 * 11 * 5 * 5 * 5 + 1) / 2;

  709.     memcpy(s->quant_table, s->quant_tables[avctx->context_model],

  710.            sizeof(s->quant_table));

  711. 

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

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

  714. 

  715.         memcpy(p->quant_table, s->quant_table, sizeof(p->quant_table));

  716.         p->quant_table_index = avctx->context_model;

  717.         p->context_count     = s->context_count[p->quant_table_index];

  718.     }

  719. 

  720.     if ((ret = ffv1_allocate_initial_states(s)) < 0)

  721.         return ret;

  722. 

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

  724.     if (!s->transparency)

  725.         s->plane_count = 2;

  726. 

  727.     av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift,

  728.                                      &s->chroma_v_shift);

  729. 

  730.     s->picture_number = 0;

  731. 

  732.     if (avctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {

  733.         for (i = 0; i < s->quant_table_count; i++) {

  734.             s->rc_stat2[i] = av_mallocz(s->context_count[i] *

  735.                                         sizeof(*s->rc_stat2[i]));

  736.             if (!s->rc_stat2[i])

  737.                 return AVERROR(ENOMEM);

  738.         }

  739.     }

  740.     if (avctx->stats_in) {

  741.         char *p = avctx->stats_in;

  742.         uint8_t best_state[256][256];

  743.         int gob_count = 0;

  744.         char *next;

  745. 

  746.         av_assert0(s->version >= 2);

  747. 

  748.         for (;; ) {

  749.             for (j = 0; j < 256; j++)

  750.                 for (i = 0; i < 2; i++) {

  751.                     s->rc_stat[j][i] = strtol(p, &next, 0);

  752.                     if (next == p) {

  753.                         av_log(avctx, AV_LOG_ERROR,

  754.                                "2Pass file invalid at %d %d [%s]\n", j, i, p);

  755.                         return AVERROR_INVALIDDATA;

  756.                     }

  757.                     p = next;

  758.                 }

  759.             for (i = 0; i < s->quant_table_count; i++)

  760.                 for (j = 0; j < s->context_count[i]; j++) {

  761.                     for (k = 0; k < 32; k++)

  762.                         for (m = 0; m < 2; m++) {

  763.                             s->rc_stat2[i][j][k][m] = strtol(p, &next, 0);

  764.                             if (next == p) {

  765.                                 av_log(avctx, AV_LOG_ERROR,

  766.                                        "2Pass file invalid at %d %d %d %d [%s]\n",

  767.                                        i, j, k, m, p);

  768.                                 return AVERROR_INVALIDDATA;

  769.                             }

  770.                             p = next;

  771.                         }

  772.                 }

  773.             gob_count = strtol(p, &next, 0);

  774.             if (next == p || gob_count <= 0) {

  775.                 av_log(avctx, AV_LOG_ERROR, "2Pass file invalid\n");

  776.                 return AVERROR_INVALIDDATA;

  777.             }

  778.             p = next;

  779.             while (*p == '\n' || *p == ' ')

  780.                 p++;

  781.             if (p[0] == 0)

  782.                 break;

  783.         }

  784.         sort_stt(s, s->state_transition);

  785. 

  786.         find_best_state(best_state, s->state_transition);

  787. 

  788.         for (i = 0; i < s->quant_table_count; i++) {

  789.             for (j = 0; j < s->context_count[i]; j++)

  790.                 for (k = 0; k < 32; k++) {

  791.                     double p = 128;

  792.                     if (s->rc_stat2[i][j][k][0] + s->rc_stat2[i][j][k][1]) {

  793.                         p = 256.0 * s->rc_stat2[i][j][k][1] /

  794.                             (s->rc_stat2[i][j][k][0] + s->rc_stat2[i][j][k][1]);

  795.                     }

  796.                     s->initial_states[i][j][k] =

  797.                         best_state[av_clip(round(p), 1, 255)][av_clip((s->rc_stat2[i][j][k][0] +

  798.                                                                        s->rc_stat2[i][j][k][1]) /

  799.                                                                       gob_count, 0, 255)];

  800.                 }

  801.         }

  802.     }

  803. 

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

  805.         for (s->num_v_slices = 2; s->num_v_slices < 9; s->num_v_slices++)

  806.             for (s->num_h_slices = s->num_v_slices;

  807.                  s->num_h_slices < 2 * s->num_v_slices; s->num_h_slices++)

  808.                 if (avctx->slices == s->num_h_slices * s->num_v_slices &&

  809.                     avctx->slices <= 64 || !avctx->slices)

  810.                     goto slices_ok;

  811.         av_log(avctx, AV_LOG_ERROR,

  812.                "Unsupported number %d of slices requested, please specify a "

  813.                "supported number with -slices (ex:4,6,9,12,16, ...)\n",

  814.                avctx->slices);

  815.         return AVERROR(ENOSYS);

  816. slices_ok:

  817.         write_extradata(s);

  818.     }

  819. 

  820.     if ((ret = ffv1_init_slice_contexts(s)) < 0)

  821.         return ret;

  822.     if ((ret = init_slices_state(s)) < 0)

  823.         return ret;

  824. 

  825. #define STATS_OUT_SIZE 1024 * 1024 * 6

  826.     if (avctx->flags & CODEC_FLAG_PASS1) {

  827.         avctx->stats_out = av_mallocz(STATS_OUT_SIZE);

  828.         for (i = 0; i < s->quant_table_count; i++)

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

  830.                 FFV1Context *sf = s->slice_context[j];

  831.                 av_assert0(!sf->rc_stat2[i]);

  832.                 sf->rc_stat2[i] = av_mallocz(s->context_count[i] *

  833.                                              sizeof(*sf->rc_stat2[i]));

  834.                 if (!sf->rc_stat2[i])

  835.                     return AVERROR(ENOMEM);

  836.             }

  837.     }

  838. 

  839.     return 0;

  840. }

  841. 

  842. static void encode_slice_header(FFV1Context *f, FFV1Context *fs)

  843. {

  844.     RangeCoder *c = &fs->c;

  845.     uint8_t state[CONTEXT_SIZE];

  846.     int j;

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

  848. 

  849.     put_symbol(c, state, (fs->slice_x + 1) * f->num_h_slices / f->width, 0);

  850.     put_symbol(c, state, (fs->slice_y + 1) * f->num_v_slices / f->height, 0);

  851.     put_symbol(c, state, (fs->slice_width + 1) * f->num_h_slices / f->width - 1,

  852.                0);

  853.     put_symbol(c, state,

  854.                (fs->slice_height + 1) * f->num_v_slices / f->height - 1,

  855.                0);

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

  857.         put_symbol(c, state, f->plane[j].quant_table_index, 0);

  858.         av_assert0(f->plane[j].quant_table_index == f->avctx->context_model);

  859.     }

  860.     if (!f->picture.interlaced_frame)

  861.         put_symbol(c, state, 3, 0);

  862.     else

  863.         put_symbol(c, state, 1 + !f->picture.top_field_first, 0);

  864.     put_symbol(c, state, f->picture.sample_aspect_ratio.num, 0);

  865.     put_symbol(c, state, f->picture.sample_aspect_ratio.den, 0);

  866. }

  867. 

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

  869. {

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

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

  872.     int width        = fs->slice_width;

  873.     int height       = fs->slice_height;

  874.     int x            = fs->slice_x;

  875.     int y            = fs->slice_y;

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

  877.     const int ps     = (av_pix_fmt_desc_get(c->pix_fmt)->flags & PIX_FMT_PLANAR)

  878.                        ? (f->bits_per_raw_sample > 8) + 1

  879.                        : 4;

  880. 

  881.     if (p->key_frame)

  882.         ffv1_clear_slice_state(f, fs);

  883.     if (f->version > 2) {

  884.         encode_slice_header(f, fs);

  885.     }

  886.     if (!fs->ac) {

  887.         if (f->version > 2)

  888.             put_rac(&fs->c, (uint8_t[]) { 129 }, 0);

  889.         fs->ac_byte_count = f->version > 2 || (!x && !y) ? ff_rac_terminate( &fs->c) : 0;

  890.         init_put_bits(&fs->pb, fs->c.bytestream_start + fs->ac_byte_count,

  891.                       fs->c.bytestream_end - fs->c.bytestream_start - fs->ac_byte_count);

  892.     }

  893. 

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

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

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

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

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

  899. 

  900.         encode_plane(fs, p->data[0] + ps * x + y * p->linesize[0],

  901.                      width, height, p->linesize[0], 0);

  902. 

  903.         if (f->chroma_planes) {

  904.             encode_plane(fs, p->data[1] + ps * cx + cy * p->linesize[1],

  905.                          chroma_width, chroma_height, p->linesize[1], 1);

  906.             encode_plane(fs, p->data[2] + ps * cx + cy * p->linesize[2],

  907.                          chroma_width, chroma_height, p->linesize[2], 1);

  908.         }

  909.         if (fs->transparency)

  910.             encode_plane(fs, p->data[3] + ps * x + y * p->linesize[3], width,

  911.                          height, p->linesize[3], 2);

  912.     } else {

  913.         uint8_t *planes[3] = { p->data[0] + ps * x + y * p->linesize[0],

  914.                                p->data[1] + ps * x + y * p->linesize[1],

  915.                                p->data[2] + ps * x + y * p->linesize[2] };

  916.         encode_rgb_frame(fs, planes, width, height, p->linesize);

  917.     }

  918.     emms_c();

  919. 

  920.     return 0;

  921. }

  922. 

  923. static int ffv1_encode_frame(AVCodecContext *avctx, AVPacket *pkt,

  924.                         const AVFrame *pict, int *got_packet)

  925. {

  926.     FFV1Context *f      = avctx->priv_data;

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

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

  929.     int used_count      = 0;

  930.     uint8_t keystate    = 128;

  931.     uint8_t *buf_p;

  932.     int i, ret;

  933. 

  934.     if ((ret = ff_alloc_packet(pkt, avctx->width * avctx->height *

  935.                              ((8 * 2 + 1 + 1) * 4) / 8 +

  936.                              FF_MIN_BUFFER_SIZE)) < 0) {

  937.         av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");

  938.         return ret;

  939.     }

  940. 

  941.     ff_init_range_encoder(c, pkt->data, pkt->size);

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

  943. 

  944.     *p           = *pict;

  945.     p->pict_type = AV_PICTURE_TYPE_I;

  946. 

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

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

  949.         p->key_frame = 1;

  950.         f->gob_count++;

  951.         write_header(f);

  952.     } else {

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

  954.         p->key_frame = 0;

  955.     }

  956. 

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

  958.         int i;

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

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

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

  962.         }

  963.     }

  964. 

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

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

  967.         uint8_t *start  = pkt->data +

  968.                           (pkt->size - used_count) * (int64_t)i / f->slice_count;

  969.         int len = pkt->size / f->slice_count;

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

  971.     }

  972.     avctx->execute(avctx, encode_slice, &f->slice_context[0], NULL,

  973.                    f->slice_count, sizeof(void *));

  974. 

  975.     buf_p = pkt->data;

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

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

  978.         int bytes;

  979. 

  980.         if (fs->ac) {

  981.             uint8_t state = 129;

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

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

  984.         } else {

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

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

  987.         }

  988.         if (i > 0 || f->version > 2) {

  989.             av_assert0(bytes < pkt->size / f->slice_count);

  990.             memmove(buf_p, fs->c.bytestream_start, bytes);

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

  992.             AV_WB24(buf_p + bytes, bytes);

  993.             bytes += 3;

  994.         }

  995.         if (f->ec) {

  996.             unsigned v;

  997.             buf_p[bytes++] = 0;

  998.             v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, buf_p, bytes);

  999.             AV_WL32(buf_p + bytes, v);

  1000.             bytes += 4;

  1001.         }

  1002.         buf_p += bytes;

  1003.     }

  1004. 

  1005.     if ((avctx->flags & CODEC_FLAG_PASS1) && (f->picture_number & 31) == 0) {

  1006.         int j, k, m;

  1007.         char *p   = avctx->stats_out;

  1008.         char *end = p + STATS_OUT_SIZE;

  1009. 

  1010.         memset(f->rc_stat, 0, sizeof(f->rc_stat));

  1011.         for (i = 0; i < f->quant_table_count; i++)

  1012.             memset(f->rc_stat2[i], 0, f->context_count[i] * sizeof(*f->rc_stat2[i]));

  1013. 

  1014.         for (j = 0; j < f->slice_count; j++) {

  1015.             FFV1Context *fs = f->slice_context[j];

  1016.             for (i = 0; i < 256; i++) {

  1017.                 f->rc_stat[i][0] += fs->rc_stat[i][0];

  1018.                 f->rc_stat[i][1] += fs->rc_stat[i][1];

  1019.             }

  1020.             for (i = 0; i < f->quant_table_count; i++) {

  1021.                 for (k = 0; k < f->context_count[i]; k++)

  1022.                     for (m = 0; m < 32; m++) {

  1023.                         f->rc_stat2[i][k][m][0] += fs->rc_stat2[i][k][m][0];

  1024.                         f->rc_stat2[i][k][m][1] += fs->rc_stat2[i][k][m][1];

  1025.                     }

  1026.             }

  1027.         }

  1028. 

  1029.         for (j = 0; j < 256; j++) {

  1030.             snprintf(p, end - p, "%" PRIu64 " %" PRIu64 " ",

  1031.                      f->rc_stat[j][0], f->rc_stat[j][1]);

  1032.             p += strlen(p);

  1033.         }

  1034.         snprintf(p, end - p, "\n");

  1035. 

  1036.         for (i = 0; i < f->quant_table_count; i++) {

  1037.             for (j = 0; j < f->context_count[i]; j++)

  1038.                 for (m = 0; m < 32; m++) {

  1039.                     snprintf(p, end - p, "%" PRIu64 " %" PRIu64 " ",

  1040.                              f->rc_stat2[i][j][m][0], f->rc_stat2[i][j][m][1]);

  1041.                     p += strlen(p);

  1042.                 }

  1043.         }

  1044.         snprintf(p, end - p, "%d\n", f->gob_count);

  1045.     } else if (avctx->flags & CODEC_FLAG_PASS1)

  1046.         avctx->stats_out[0] = '\0';

  1047. 

  1048.     f->picture_number++;

  1049.     pkt->size   = buf_p - pkt->data;

  1050.     pkt->flags |= AV_PKT_FLAG_KEY * p->key_frame;

  1051.     *got_packet = 1;

  1052. 

  1053.     return 0;

  1054. }

  1055. 

  1056. #define OFFSET(x) offsetof(FFV1Context, x)

  1057. #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

  1058. static const AVOption options[] = {

  1059.     { "slicecrc", "Protect slices with CRCs", OFFSET(ec), AV_OPT_TYPE_INT,

  1060.              { .i64 = -1 }, -1, 1, VE },

  1061.     { NULL }

  1062. };

  1063. 

  1064. static const AVClass class = {

  1065.     .class_name = "ffv1 encoder",

  1066.     .item_name  = av_default_item_name,

  1067.     .option     = options,

  1068.     .version    = LIBAVUTIL_VERSION_INT,

  1069. };

  1070. 

  1071. static const AVCodecDefault ffv1_defaults[] = {

  1072.     { "coder", "-1" },

  1073.     { NULL },

  1074. };

  1075. 

  1076. AVCodec ff_ffv1_encoder = {

  1077.     .name           = "ffv1",

  1078.     .type           = AVMEDIA_TYPE_VIDEO,

  1079.     .id             = AV_CODEC_ID_FFV1,

  1080.     .priv_data_size = sizeof(FFV1Context),

  1081.     .init           = ffv1_encode_init,

  1082.     .encode2        = ffv1_encode_frame,

  1083.     .close          = ffv1_close,

  1084.     .capabilities   = CODEC_CAP_SLICE_THREADS,

  1085.     .pix_fmts       = (const enum AVPixelFormat[]) {

  1086.         AV_PIX_FMT_YUV420P,   AV_PIX_FMT_YUV422P,   AV_PIX_FMT_YUV444P,

  1087.         AV_PIX_FMT_YUV411P,   AV_PIX_FMT_YUV410P,

  1088.         AV_PIX_FMT_YUV444P9,  AV_PIX_FMT_YUV422P9,  AV_PIX_FMT_YUV420P9,

  1089.         AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,

  1090.         AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,

  1091.         AV_PIX_FMT_RGB32,

  1092.         AV_PIX_FMT_GBRP9,     AV_PIX_FMT_GBRP10,

  1093.         AV_PIX_FMT_YUVA420P,  AV_PIX_FMT_YUVA422P,  AV_PIX_FMT_YUVA444P,

  1094.         AV_PIX_FMT_GRAY16,    AV_PIX_FMT_GRAY8,

  1095.         AV_PIX_FMT_NONE

  1096. 

  1097.     },

  1098.     .long_name      = NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"),

  1099.     .defaults       = ffv1_defaults,

  1100.     .priv_class     = &class,

  1101. };