4 * Copyright (c) 2003-2013 Michael Niedermayer <michaelni@gmx.at>
6 * This file is part of FFmpeg.
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.
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.
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
25 * FF Video Codec 1 (a lossless codec) encoder
28 #include "libavutil/attributes.h"
29 #include "libavutil/avassert.h"
30 #include "libavutil/crc.h"
31 #include "libavutil/opt.h"
32 #include "libavutil/imgutils.h"
33 #include "libavutil/pixdesc.h"
34 #include "libavutil/timer.h"
38 #include "rangecoder.h"
43 static const int8_t quant5_10bit[256] = {
44 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
45 1, 1, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
48 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
49 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
50 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
51 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
52 -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
53 -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
54 -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
55 -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
56 -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -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, -0, -0, -0, -0, -0, -0, -0, -0, -0, -0,
62 static const int8_t quant5[256] = {
63 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
64 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
65 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
66 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
67 2, 2, 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, -2,
77 -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
78 -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -1, -1, -1,
81 static const int8_t quant9_10bit[256] = {
82 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2,
83 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3,
84 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
85 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
86 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
87 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
88 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
89 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
90 -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4,
91 -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4,
92 -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4,
93 -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4,
94 -4, -4, -4, -4, -4, -4, -4, -4, -4, -3, -3, -3, -3, -3, -3, -3,
95 -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3,
96 -3, -3, -3, -3, -3, -3, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
97 -2, -2, -2, -2, -1, -1, -1, -1, -1, -1, -1, -1, -0, -0, -0, -0,
100 static const int8_t quant11[256] = {
101 0, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4,
102 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
103 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
104 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
105 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
106 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
107 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
108 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
109 -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5,
110 -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5,
111 -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5,
112 -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5,
113 -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5,
114 -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -4, -4,
115 -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4,
116 -4, -4, -4, -4, -4, -3, -3, -3, -3, -3, -3, -3, -2, -2, -2, -1,
119 static const uint8_t ver2_state[256] = {
120 0, 10, 10, 10, 10, 16, 16, 16, 28, 16, 16, 29, 42, 49, 20, 49,
121 59, 25, 26, 26, 27, 31, 33, 33, 33, 34, 34, 37, 67, 38, 39, 39,
122 40, 40, 41, 79, 43, 44, 45, 45, 48, 48, 64, 50, 51, 52, 88, 52,
123 53, 74, 55, 57, 58, 58, 74, 60, 101, 61, 62, 84, 66, 66, 68, 69,
124 87, 82, 71, 97, 73, 73, 82, 75, 111, 77, 94, 78, 87, 81, 83, 97,
125 85, 83, 94, 86, 99, 89, 90, 99, 111, 92, 93, 134, 95, 98, 105, 98,
126 105, 110, 102, 108, 102, 118, 103, 106, 106, 113, 109, 112, 114, 112, 116, 125,
127 115, 116, 117, 117, 126, 119, 125, 121, 121, 123, 145, 124, 126, 131, 127, 129,
128 165, 130, 132, 138, 133, 135, 145, 136, 137, 139, 146, 141, 143, 142, 144, 148,
129 147, 155, 151, 149, 151, 150, 152, 157, 153, 154, 156, 168, 158, 162, 161, 160,
130 172, 163, 169, 164, 166, 184, 167, 170, 177, 174, 171, 173, 182, 176, 180, 178,
131 175, 189, 179, 181, 186, 183, 192, 185, 200, 187, 191, 188, 190, 197, 193, 196,
132 197, 194, 195, 196, 198, 202, 199, 201, 210, 203, 207, 204, 205, 206, 208, 214,
133 209, 211, 221, 212, 213, 215, 224, 216, 217, 218, 219, 220, 222, 228, 223, 225,
134 226, 224, 227, 229, 240, 230, 231, 232, 233, 234, 235, 236, 238, 239, 237, 242,
135 241, 243, 242, 244, 245, 246, 247, 248, 249, 250, 251, 252, 252, 253, 254, 255,
138 static void find_best_state(uint8_t best_state[256][256],
139 const uint8_t one_state[256])
144 for (i = 1; i < 256; i++)
145 l2tab[i] = log2(i / 256.0);
147 for (i = 0; i < 256; i++) {
148 double best_len[256];
149 double p = i / 256.0;
151 for (j = 0; j < 256; j++)
152 best_len[j] = 1 << 30;
154 for (j = FFMAX(i - 10, 1); j < FFMIN(i + 11, 256); j++) {
155 double occ[256] = { 0 };
158 for (k = 0; k < 256; k++) {
159 double newocc[256] = { 0 };
160 for (m = 1; m < 256; m++)
162 len -=occ[m]*( p *l2tab[ m]
163 + (1-p)*l2tab[256-m]);
165 if (len < best_len[k]) {
167 best_state[i][k] = j;
169 for (m = 0; m < 256; m++)
171 newocc[ one_state[ m]] += occ[m] * p;
172 newocc[256 - one_state[256 - m]] += occ[m] * (1 - p);
174 memcpy(occ, newocc, sizeof(occ));
180 static av_always_inline av_flatten void put_symbol_inline(RangeCoder *c,
181 uint8_t *state, int v,
183 uint64_t rc_stat[256][2],
184 uint64_t rc_stat2[32][2])
188 #define put_rac(C, S, B) \
191 rc_stat[*(S)][B]++; \
192 rc_stat2[(S) - state][B]++; \
198 const int a = FFABS(v);
199 const int e = av_log2(a);
200 put_rac(c, state + 0, 0);
202 for (i = 0; i < e; i++)
203 put_rac(c, state + 1 + i, 1); // 1..10
204 put_rac(c, state + 1 + i, 0);
206 for (i = e - 1; i >= 0; i--)
207 put_rac(c, state + 22 + i, (a >> i) & 1); // 22..31
210 put_rac(c, state + 11 + e, v < 0); // 11..21
212 for (i = 0; i < e; i++)
213 put_rac(c, state + 1 + FFMIN(i, 9), 1); // 1..10
214 put_rac(c, state + 1 + 9, 0);
216 for (i = e - 1; i >= 0; i--)
217 put_rac(c, state + 22 + FFMIN(i, 9), (a >> i) & 1); // 22..31
220 put_rac(c, state + 11 + 10, v < 0); // 11..21
223 put_rac(c, state + 0, 1);
228 static av_noinline void put_symbol(RangeCoder *c, uint8_t *state,
229 int v, int is_signed)
231 put_symbol_inline(c, state, v, is_signed, NULL, NULL);
235 static inline void put_vlc_symbol(PutBitContext *pb, VlcState *const state,
239 v = fold(v - state->bias, bits);
243 while (i < state->error_sum) { // FIXME: optimize
251 if (k == 0 && 2 * state->drift <= -state->count)
256 code = v ^ ((2 * state->drift + state->count) >> 31);
259 av_dlog(NULL, "v:%d/%d bias:%d error:%d drift:%d count:%d k:%d\n", v, code,
260 state->bias, state->error_sum, state->drift, state->count, k);
261 set_sr_golomb(pb, code, k, 12, bits);
263 update_vlc_state(state, v);
266 static av_always_inline int encode_line(FFV1Context *s, int w,
268 int plane_index, int bits)
270 PlaneContext *const p = &s->plane[plane_index];
271 RangeCoder *const c = &s->c;
273 int run_index = s->run_index;
278 if (c->bytestream_end - c->bytestream < w * 35) {
279 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
280 return AVERROR_INVALIDDATA;
283 if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < w * 4) {
284 av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
285 return AVERROR_INVALIDDATA;
289 if (s->slice_coding_mode == 1) {
290 for (x = 0; x < w; x++) {
292 int v = sample[0][x];
293 for (i = bits-1; i>=0; i--) {
295 put_rac(c, &state, (v>>i) & 1);
301 for (x = 0; x < w; x++) {
304 context = get_context(p, sample[0] + x, sample[1] + x, sample[2] + x);
305 diff = sample[0][x] - predict(sample[0] + x, sample[1] + x);
312 diff = fold(diff, bits);
315 if (s->flags & CODEC_FLAG_PASS1) {
316 put_symbol_inline(c, p->state[context], diff, 1, s->rc_stat,
317 s->rc_stat2[p->quant_table_index][context]);
319 put_symbol_inline(c, p->state[context], diff, 1, NULL, NULL);
327 while (run_count >= 1 << ff_log2_run[run_index]) {
328 run_count -= 1 << ff_log2_run[run_index];
330 put_bits(&s->pb, 1, 1);
333 put_bits(&s->pb, 1 + ff_log2_run[run_index], run_count);
345 av_dlog(s->avctx, "count:%d index:%d, mode:%d, x:%d pos:%d\n",
346 run_count, run_index, run_mode, x,
347 (int)put_bits_count(&s->pb));
350 put_vlc_symbol(&s->pb, &p->vlc_state[context], diff, bits);
354 while (run_count >= 1 << ff_log2_run[run_index]) {
355 run_count -= 1 << ff_log2_run[run_index];
357 put_bits(&s->pb, 1, 1);
361 put_bits(&s->pb, 1, 1);
363 s->run_index = run_index;
368 static int encode_plane(FFV1Context *s, uint8_t *src, int w, int h,
369 int stride, int plane_index)
372 const int ring_size = s->avctx->context_model ? 3 : 2;
376 memset(s->sample_buffer, 0, ring_size * (w + 6) * sizeof(*s->sample_buffer));
378 for (y = 0; y < h; y++) {
379 for (i = 0; i < ring_size; i++)
380 sample[i] = s->sample_buffer + (w + 6) * ((h + i - y) % ring_size) + 3;
382 sample[0][-1]= sample[1][0 ];
383 sample[1][ w]= sample[1][w-1];
385 if (s->bits_per_raw_sample <= 8) {
386 for (x = 0; x < w; x++)
387 sample[0][x] = src[x + stride * y];
388 if((ret = encode_line(s, w, sample, plane_index, 8)) < 0)
391 if (s->packed_at_lsb) {
392 for (x = 0; x < w; x++) {
393 sample[0][x] = ((uint16_t*)(src + stride*y))[x];
396 for (x = 0; x < w; x++) {
397 sample[0][x] = ((uint16_t*)(src + stride*y))[x] >> (16 - s->bits_per_raw_sample);
400 if((ret = encode_line(s, w, sample, plane_index, s->bits_per_raw_sample)) < 0)
403 // STOP_TIMER("encode line") }
408 static int encode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h, int stride[3])
411 const int ring_size = s->avctx->context_model ? 3 : 2;
412 int16_t *sample[4][3];
413 int lbd = s->bits_per_raw_sample <= 8;
414 int bits = s->bits_per_raw_sample > 0 ? s->bits_per_raw_sample : 8;
415 int offset = 1 << bits;
419 memset(s->sample_buffer, 0, ring_size * MAX_PLANES *
420 (w + 6) * sizeof(*s->sample_buffer));
422 for (y = 0; y < h; y++) {
423 for (i = 0; i < ring_size; i++)
424 for (p = 0; p < MAX_PLANES; p++)
425 sample[p][i]= s->sample_buffer + p*ring_size*(w+6) + ((h+i-y)%ring_size)*(w+6) + 3;
427 for (x = 0; x < w; x++) {
428 int b, g, r, av_uninit(a);
430 unsigned v = *((uint32_t*)(src[0] + x*4 + stride[0]*y));
433 r = (v >> 16) & 0xFF;
436 b = *((uint16_t*)(src[0] + x*2 + stride[0]*y));
437 g = *((uint16_t*)(src[1] + x*2 + stride[1]*y));
438 r = *((uint16_t*)(src[2] + x*2 + stride[2]*y));
441 if (s->slice_coding_mode != 1) {
454 for (p = 0; p < 3 + s->transparency; p++) {
456 sample[p][0][-1] = sample[p][1][0 ];
457 sample[p][1][ w] = sample[p][1][w-1];
458 if (lbd && s->slice_coding_mode == 0)
459 ret = encode_line(s, w, sample[p], (p + 1) / 2, 9);
461 ret = encode_line(s, w, sample[p], (p + 1) / 2, bits + (s->slice_coding_mode != 1));
469 static void write_quant_table(RangeCoder *c, int16_t *quant_table)
473 uint8_t state[CONTEXT_SIZE];
474 memset(state, 128, sizeof(state));
476 for (i = 1; i < 128; i++)
477 if (quant_table[i] != quant_table[i - 1]) {
478 put_symbol(c, state, i - last - 1, 0);
481 put_symbol(c, state, i - last - 1, 0);
484 static void write_quant_tables(RangeCoder *c,
485 int16_t quant_table[MAX_CONTEXT_INPUTS][256])
488 for (i = 0; i < 5; i++)
489 write_quant_table(c, quant_table[i]);
492 static void write_header(FFV1Context *f)
494 uint8_t state[CONTEXT_SIZE];
496 RangeCoder *const c = &f->slice_context[0]->c;
498 memset(state, 128, sizeof(state));
500 if (f->version < 2) {
501 put_symbol(c, state, f->version, 0);
502 put_symbol(c, state, f->ac, 0);
504 for (i = 1; i < 256; i++)
506 f->state_transition[i] - c->one_state[i], 1);
508 put_symbol(c, state, f->colorspace, 0); //YUV cs type
510 put_symbol(c, state, f->bits_per_raw_sample, 0);
511 put_rac(c, state, f->chroma_planes);
512 put_symbol(c, state, f->chroma_h_shift, 0);
513 put_symbol(c, state, f->chroma_v_shift, 0);
514 put_rac(c, state, f->transparency);
516 write_quant_tables(c, f->quant_table);
517 } else if (f->version < 3) {
518 put_symbol(c, state, f->slice_count, 0);
519 for (i = 0; i < f->slice_count; i++) {
520 FFV1Context *fs = f->slice_context[i];
522 (fs->slice_x + 1) * f->num_h_slices / f->width, 0);
524 (fs->slice_y + 1) * f->num_v_slices / f->height, 0);
526 (fs->slice_width + 1) * f->num_h_slices / f->width - 1,
529 (fs->slice_height + 1) * f->num_v_slices / f->height - 1,
531 for (j = 0; j < f->plane_count; j++) {
532 put_symbol(c, state, f->plane[j].quant_table_index, 0);
533 av_assert0(f->plane[j].quant_table_index == f->avctx->context_model);
539 static int write_extradata(FFV1Context *f)
541 RangeCoder *const c = &f->c;
542 uint8_t state[CONTEXT_SIZE];
544 uint8_t state2[32][CONTEXT_SIZE];
547 memset(state2, 128, sizeof(state2));
548 memset(state, 128, sizeof(state));
550 f->avctx->extradata_size = 10000 + 4 +
551 (11 * 11 * 5 * 5 * 5 + 11 * 11 * 11) * 32;
552 f->avctx->extradata = av_malloc(f->avctx->extradata_size);
553 if (!f->avctx->extradata)
554 return AVERROR(ENOMEM);
555 ff_init_range_encoder(c, f->avctx->extradata, f->avctx->extradata_size);
556 ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8);
558 put_symbol(c, state, f->version, 0);
559 if (f->version > 2) {
561 f->micro_version = 4;
562 put_symbol(c, state, f->micro_version, 0);
565 put_symbol(c, state, f->ac, 0);
567 for (i = 1; i < 256; i++)
568 put_symbol(c, state, f->state_transition[i] - c->one_state[i], 1);
570 put_symbol(c, state, f->colorspace, 0); // YUV cs type
571 put_symbol(c, state, f->bits_per_raw_sample, 0);
572 put_rac(c, state, f->chroma_planes);
573 put_symbol(c, state, f->chroma_h_shift, 0);
574 put_symbol(c, state, f->chroma_v_shift, 0);
575 put_rac(c, state, f->transparency);
576 put_symbol(c, state, f->num_h_slices - 1, 0);
577 put_symbol(c, state, f->num_v_slices - 1, 0);
579 put_symbol(c, state, f->quant_table_count, 0);
580 for (i = 0; i < f->quant_table_count; i++)
581 write_quant_tables(c, f->quant_tables[i]);
583 for (i = 0; i < f->quant_table_count; i++) {
584 for (j = 0; j < f->context_count[i] * CONTEXT_SIZE; j++)
585 if (f->initial_states[i] && f->initial_states[i][0][j] != 128)
587 if (j < f->context_count[i] * CONTEXT_SIZE) {
588 put_rac(c, state, 1);
589 for (j = 0; j < f->context_count[i]; j++)
590 for (k = 0; k < CONTEXT_SIZE; k++) {
591 int pred = j ? f->initial_states[i][j - 1][k] : 128;
592 put_symbol(c, state2[k],
593 (int8_t)(f->initial_states[i][j][k] - pred), 1);
596 put_rac(c, state, 0);
600 if (f->version > 2) {
601 put_symbol(c, state, f->ec, 0);
602 put_symbol(c, state, f->intra = (f->avctx->gop_size < 2), 0);
605 f->avctx->extradata_size = ff_rac_terminate(c);
606 v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, f->avctx->extradata, f->avctx->extradata_size);
607 AV_WL32(f->avctx->extradata + f->avctx->extradata_size, v);
608 f->avctx->extradata_size += 4;
613 static int sort_stt(FFV1Context *s, uint8_t stt[256])
615 int i, i2, changed, print = 0;
619 for (i = 12; i < 244; i++) {
620 for (i2 = i + 1; i2 < 245 && i2 < i + 4; i2++) {
622 #define COST(old, new) \
623 s->rc_stat[old][0] * -log2((256 - (new)) / 256.0) + \
624 s->rc_stat[old][1] * -log2((new) / 256.0)
626 #define COST2(old, new) \
627 COST(old, new) + COST(256 - (old), 256 - (new))
629 double size0 = COST2(i, i) + COST2(i2, i2);
630 double sizeX = COST2(i, i2) + COST2(i2, i);
631 if (size0 - sizeX > size0*(1e-14) && i != 128 && i2 != 128) {
633 FFSWAP(int, stt[i], stt[i2]);
634 FFSWAP(int, s->rc_stat[i][0], s->rc_stat[i2][0]);
635 FFSWAP(int, s->rc_stat[i][1], s->rc_stat[i2][1]);
637 FFSWAP(int, stt[256 - i], stt[256 - i2]);
638 FFSWAP(int, s->rc_stat[256 - i][0], s->rc_stat[256 - i2][0]);
639 FFSWAP(int, s->rc_stat[256 - i][1], s->rc_stat[256 - i2][1]);
641 for (j = 1; j < 256; j++) {
644 else if (stt[j] == i2)
647 if (stt[256 - j] == 256 - i)
648 stt[256 - j] = 256 - i2;
649 else if (stt[256 - j] == 256 - i2)
650 stt[256 - j] = 256 - i;
661 static av_cold int encode_init(AVCodecContext *avctx)
663 FFV1Context *s = avctx->priv_data;
664 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
667 if ((ret = ffv1_common_init(avctx)) < 0)
672 if ((avctx->flags & (CODEC_FLAG_PASS1|CODEC_FLAG_PASS2)) || avctx->slices>1)
673 s->version = FFMAX(s->version, 2);
675 if (avctx->level == 3 || (avctx->level <= 0 && s->version == 2)) {
680 s->ec = (s->version >= 3);
683 if ((s->version == 2 || s->version>3) && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
684 av_log(avctx, AV_LOG_ERROR, "Version 2 needed for requested features but version 2 is experimental and not enabled\n");
685 return AVERROR_INVALIDDATA;
688 s->ac = avctx->coder_type > 0 ? 2 : 0;
691 switch(avctx->pix_fmt) {
692 case AV_PIX_FMT_YUV444P9:
693 case AV_PIX_FMT_YUV422P9:
694 case AV_PIX_FMT_YUV420P9:
695 case AV_PIX_FMT_YUVA444P9:
696 case AV_PIX_FMT_YUVA422P9:
697 case AV_PIX_FMT_YUVA420P9:
698 if (!avctx->bits_per_raw_sample)
699 s->bits_per_raw_sample = 9;
700 case AV_PIX_FMT_YUV444P10:
701 case AV_PIX_FMT_YUV420P10:
702 case AV_PIX_FMT_YUV422P10:
703 case AV_PIX_FMT_YUVA444P10:
704 case AV_PIX_FMT_YUVA422P10:
705 case AV_PIX_FMT_YUVA420P10:
706 s->packed_at_lsb = 1;
707 if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
708 s->bits_per_raw_sample = 10;
709 case AV_PIX_FMT_GRAY16:
710 case AV_PIX_FMT_YUV444P16:
711 case AV_PIX_FMT_YUV422P16:
712 case AV_PIX_FMT_YUV420P16:
713 case AV_PIX_FMT_YUVA444P16:
714 case AV_PIX_FMT_YUVA422P16:
715 case AV_PIX_FMT_YUVA420P16:
716 if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) {
717 s->bits_per_raw_sample = 16;
718 } else if (!s->bits_per_raw_sample) {
719 s->bits_per_raw_sample = avctx->bits_per_raw_sample;
721 if (s->bits_per_raw_sample <= 8) {
722 av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample invalid\n");
723 return AVERROR_INVALIDDATA;
725 if (!s->ac && avctx->coder_type == -1) {
726 av_log(avctx, AV_LOG_INFO, "bits_per_raw_sample > 8, forcing coder 1\n");
730 av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample of more than 8 needs -coder 1 currently\n");
731 return AVERROR(ENOSYS);
733 s->version = FFMAX(s->version, 1);
734 case AV_PIX_FMT_GRAY8:
735 case AV_PIX_FMT_YUV444P:
736 case AV_PIX_FMT_YUV440P:
737 case AV_PIX_FMT_YUV422P:
738 case AV_PIX_FMT_YUV420P:
739 case AV_PIX_FMT_YUV411P:
740 case AV_PIX_FMT_YUV410P:
741 case AV_PIX_FMT_YUVA444P:
742 case AV_PIX_FMT_YUVA422P:
743 case AV_PIX_FMT_YUVA420P:
744 s->chroma_planes = desc->nb_components < 3 ? 0 : 1;
746 s->transparency = desc->nb_components == 4;
748 case AV_PIX_FMT_RGB32:
751 s->chroma_planes = 1;
753 case AV_PIX_FMT_0RGB32:
755 s->chroma_planes = 1;
757 case AV_PIX_FMT_GBRP9:
758 if (!avctx->bits_per_raw_sample)
759 s->bits_per_raw_sample = 9;
760 case AV_PIX_FMT_GBRP10:
761 if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
762 s->bits_per_raw_sample = 10;
763 case AV_PIX_FMT_GBRP12:
764 if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
765 s->bits_per_raw_sample = 12;
766 case AV_PIX_FMT_GBRP14:
767 if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
768 s->bits_per_raw_sample = 14;
769 else if (!s->bits_per_raw_sample)
770 s->bits_per_raw_sample = avctx->bits_per_raw_sample;
772 s->chroma_planes = 1;
773 s->version = FFMAX(s->version, 1);
775 av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample of more than 8 needs -coder 1 currently\n");
776 return AVERROR(ENOSYS);
780 av_log(avctx, AV_LOG_ERROR, "format not supported\n");
781 return AVERROR(ENOSYS);
783 if (s->transparency) {
784 av_log(avctx, AV_LOG_WARNING, "Storing alpha plane, this will require a recent FFV1 decoder to playback!\n");
786 if (avctx->context_model > 1U) {
787 av_log(avctx, AV_LOG_ERROR, "Invalid context model %d, valid values are 0 and 1\n", avctx->context_model);
788 return AVERROR(EINVAL);
792 for (i = 1; i < 256; i++)
793 s->state_transition[i] = ver2_state[i];
795 for (i = 0; i < 256; i++) {
796 s->quant_table_count = 2;
797 if (s->bits_per_raw_sample <= 8) {
798 s->quant_tables[0][0][i]= quant11[i];
799 s->quant_tables[0][1][i]= 11*quant11[i];
800 s->quant_tables[0][2][i]= 11*11*quant11[i];
801 s->quant_tables[1][0][i]= quant11[i];
802 s->quant_tables[1][1][i]= 11*quant11[i];
803 s->quant_tables[1][2][i]= 11*11*quant5 [i];
804 s->quant_tables[1][3][i]= 5*11*11*quant5 [i];
805 s->quant_tables[1][4][i]= 5*5*11*11*quant5 [i];
807 s->quant_tables[0][0][i]= quant9_10bit[i];
808 s->quant_tables[0][1][i]= 11*quant9_10bit[i];
809 s->quant_tables[0][2][i]= 11*11*quant9_10bit[i];
810 s->quant_tables[1][0][i]= quant9_10bit[i];
811 s->quant_tables[1][1][i]= 11*quant9_10bit[i];
812 s->quant_tables[1][2][i]= 11*11*quant5_10bit[i];
813 s->quant_tables[1][3][i]= 5*11*11*quant5_10bit[i];
814 s->quant_tables[1][4][i]= 5*5*11*11*quant5_10bit[i];
817 s->context_count[0] = (11 * 11 * 11 + 1) / 2;
818 s->context_count[1] = (11 * 11 * 5 * 5 * 5 + 1) / 2;
819 memcpy(s->quant_table, s->quant_tables[avctx->context_model],
820 sizeof(s->quant_table));
822 for (i = 0; i < s->plane_count; i++) {
823 PlaneContext *const p = &s->plane[i];
825 memcpy(p->quant_table, s->quant_table, sizeof(p->quant_table));
826 p->quant_table_index = avctx->context_model;
827 p->context_count = s->context_count[p->quant_table_index];
830 if ((ret = ffv1_allocate_initial_states(s)) < 0)
833 if (!s->transparency)
835 if (!s->chroma_planes && s->version > 3)
838 avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift, &s->chroma_v_shift);
839 s->picture_number = 0;
841 if (avctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
842 for (i = 0; i < s->quant_table_count; i++) {
843 s->rc_stat2[i] = av_mallocz(s->context_count[i] *
844 sizeof(*s->rc_stat2[i]));
846 return AVERROR(ENOMEM);
849 if (avctx->stats_in) {
850 char *p = avctx->stats_in;
851 uint8_t best_state[256][256];
855 av_assert0(s->version >= 2);
858 for (j = 0; j < 256; j++)
859 for (i = 0; i < 2; i++) {
860 s->rc_stat[j][i] = strtol(p, &next, 0);
862 av_log(avctx, AV_LOG_ERROR,
863 "2Pass file invalid at %d %d [%s]\n", j, i, p);
864 return AVERROR_INVALIDDATA;
868 for (i = 0; i < s->quant_table_count; i++)
869 for (j = 0; j < s->context_count[i]; j++) {
870 for (k = 0; k < 32; k++)
871 for (m = 0; m < 2; m++) {
872 s->rc_stat2[i][j][k][m] = strtol(p, &next, 0);
874 av_log(avctx, AV_LOG_ERROR,
875 "2Pass file invalid at %d %d %d %d [%s]\n",
877 return AVERROR_INVALIDDATA;
882 gob_count = strtol(p, &next, 0);
883 if (next == p || gob_count <= 0) {
884 av_log(avctx, AV_LOG_ERROR, "2Pass file invalid\n");
885 return AVERROR_INVALIDDATA;
888 while (*p == '\n' || *p == ' ')
893 sort_stt(s, s->state_transition);
895 find_best_state(best_state, s->state_transition);
897 for (i = 0; i < s->quant_table_count; i++) {
898 for (k = 0; k < 32; k++) {
901 for (j = 0; j < s->context_count[i]; j++) {
903 if (s->rc_stat2[i][j][k][0] + s->rc_stat2[i][j][k][1] > 200 && j || a+b > 200) {
905 p = 256.0 * b / (a + b);
906 s->initial_states[i][jp][k] =
907 best_state[av_clip(round(p), 1, 255)][av_clip((a + b) / gob_count, 0, 255)];
908 for(jp++; jp<j; jp++)
909 s->initial_states[i][jp][k] = s->initial_states[i][jp-1][k];
912 a += s->rc_stat2[i][j][k][0];
913 b += s->rc_stat2[i][j][k][1];
915 p = 256.0 * b / (a + b);
917 s->initial_states[i][j][k] =
918 best_state[av_clip(round(p), 1, 255)][av_clip((a + b) / gob_count, 0, 255)];
924 if (s->version > 1) {
925 s->num_v_slices = (avctx->width > 352 || avctx->height > 288 || !avctx->slices) ? 2 : 1;
926 for (; s->num_v_slices < 9; s->num_v_slices++) {
927 for (s->num_h_slices = s->num_v_slices; s->num_h_slices < 2*s->num_v_slices; s->num_h_slices++) {
928 if (avctx->slices == s->num_h_slices * s->num_v_slices && avctx->slices <= 64 || !avctx->slices)
932 av_log(avctx, AV_LOG_ERROR,
933 "Unsupported number %d of slices requested, please specify a "
934 "supported number with -slices (ex:4,6,9,12,16, ...)\n",
936 return AVERROR(ENOSYS);
938 if ((ret = write_extradata(s)) < 0)
942 if ((ret = ffv1_init_slice_contexts(s)) < 0)
944 if ((ret = ffv1_init_slices_state(s)) < 0)
947 #define STATS_OUT_SIZE 1024 * 1024 * 6
948 if (avctx->flags & CODEC_FLAG_PASS1) {
949 avctx->stats_out = av_mallocz(STATS_OUT_SIZE);
950 if (!avctx->stats_out)
951 return AVERROR(ENOMEM);
952 for (i = 0; i < s->quant_table_count; i++)
953 for (j = 0; j < s->slice_count; j++) {
954 FFV1Context *sf = s->slice_context[j];
955 av_assert0(!sf->rc_stat2[i]);
956 sf->rc_stat2[i] = av_mallocz(s->context_count[i] *
957 sizeof(*sf->rc_stat2[i]));
958 if (!sf->rc_stat2[i])
959 return AVERROR(ENOMEM);
966 static void encode_slice_header(FFV1Context *f, FFV1Context *fs)
968 RangeCoder *c = &fs->c;
969 uint8_t state[CONTEXT_SIZE];
971 memset(state, 128, sizeof(state));
973 put_symbol(c, state, (fs->slice_x +1)*f->num_h_slices / f->width , 0);
974 put_symbol(c, state, (fs->slice_y +1)*f->num_v_slices / f->height , 0);
975 put_symbol(c, state, (fs->slice_width +1)*f->num_h_slices / f->width -1, 0);
976 put_symbol(c, state, (fs->slice_height+1)*f->num_v_slices / f->height-1, 0);
977 for (j=0; j<f->plane_count; j++) {
978 put_symbol(c, state, f->plane[j].quant_table_index, 0);
979 av_assert0(f->plane[j].quant_table_index == f->avctx->context_model);
981 if (!f->picture.f->interlaced_frame)
982 put_symbol(c, state, 3, 0);
984 put_symbol(c, state, 1 + !f->picture.f->top_field_first, 0);
985 put_symbol(c, state, f->picture.f->sample_aspect_ratio.num, 0);
986 put_symbol(c, state, f->picture.f->sample_aspect_ratio.den, 0);
987 if (f->version > 3) {
988 put_rac(c, state, fs->slice_coding_mode == 1);
989 if (fs->slice_coding_mode == 1)
990 ffv1_clear_slice_state(f, fs);
991 put_symbol(c, state, fs->slice_coding_mode, 0);
995 static int encode_slice(AVCodecContext *c, void *arg)
997 FFV1Context *fs = *(void **)arg;
998 FFV1Context *f = fs->avctx->priv_data;
999 int width = fs->slice_width;
1000 int height = fs->slice_height;
1001 int x = fs->slice_x;
1002 int y = fs->slice_y;
1003 AVFrame *const p = f->picture.f;
1004 const int ps = av_pix_fmt_desc_get(c->pix_fmt)->comp[0].step_minus1 + 1;
1006 RangeCoder c_bak = fs->c;
1008 fs->slice_coding_mode = 0;
1012 ffv1_clear_slice_state(f, fs);
1013 if (f->version > 2) {
1014 encode_slice_header(f, fs);
1018 put_rac(&fs->c, (uint8_t[]) { 129 }, 0);
1019 fs->ac_byte_count = f->version > 2 || (!x && !y) ? ff_rac_terminate(&fs->c) : 0;
1020 init_put_bits(&fs->pb,
1021 fs->c.bytestream_start + fs->ac_byte_count,
1022 fs->c.bytestream_end - fs->c.bytestream_start - fs->ac_byte_count);
1025 if (f->colorspace == 0) {
1026 const int chroma_width = FF_CEIL_RSHIFT(width, f->chroma_h_shift);
1027 const int chroma_height = FF_CEIL_RSHIFT(height, f->chroma_v_shift);
1028 const int cx = x >> f->chroma_h_shift;
1029 const int cy = y >> f->chroma_v_shift;
1031 ret = encode_plane(fs, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0);
1033 if (f->chroma_planes) {
1034 ret |= encode_plane(fs, p->data[1] + ps*cx+cy*p->linesize[1], chroma_width, chroma_height, p->linesize[1], 1);
1035 ret |= encode_plane(fs, p->data[2] + ps*cx+cy*p->linesize[2], chroma_width, chroma_height, p->linesize[2], 1);
1037 if (fs->transparency)
1038 ret |= encode_plane(fs, p->data[3] + ps*x + y*p->linesize[3], width, height, p->linesize[3], 2);
1040 uint8_t *planes[3] = {p->data[0] + ps*x + y*p->linesize[0],
1041 p->data[1] + ps*x + y*p->linesize[1],
1042 p->data[2] + ps*x + y*p->linesize[2]};
1043 ret = encode_rgb_frame(fs, planes, width, height, p->linesize);
1048 av_assert0(fs->slice_coding_mode == 0);
1049 if (fs->version < 4 || !fs->ac) {
1050 av_log(c, AV_LOG_ERROR, "Buffer too small\n");
1053 av_log(c, AV_LOG_DEBUG, "Coding slice as PCM\n");
1054 fs->slice_coding_mode = 1;
1062 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
1063 const AVFrame *pict, int *got_packet)
1065 FFV1Context *f = avctx->priv_data;
1066 RangeCoder *const c = &f->slice_context[0]->c;
1067 AVFrame *const p = f->picture.f;
1069 uint8_t keystate = 128;
1072 int64_t maxsize = FF_MIN_BUFFER_SIZE
1073 + avctx->width*avctx->height*35LL*4;
1076 if (avctx->flags & CODEC_FLAG_PASS1) {
1078 char *p = avctx->stats_out;
1079 char *end = p + STATS_OUT_SIZE;
1081 memset(f->rc_stat, 0, sizeof(f->rc_stat));
1082 for (i = 0; i < f->quant_table_count; i++)
1083 memset(f->rc_stat2[i], 0, f->context_count[i] * sizeof(*f->rc_stat2[i]));
1085 for (j = 0; j < f->slice_count; j++) {
1086 FFV1Context *fs = f->slice_context[j];
1087 for (i = 0; i < 256; i++) {
1088 f->rc_stat[i][0] += fs->rc_stat[i][0];
1089 f->rc_stat[i][1] += fs->rc_stat[i][1];
1091 for (i = 0; i < f->quant_table_count; i++) {
1092 for (k = 0; k < f->context_count[i]; k++)
1093 for (m = 0; m < 32; m++) {
1094 f->rc_stat2[i][k][m][0] += fs->rc_stat2[i][k][m][0];
1095 f->rc_stat2[i][k][m][1] += fs->rc_stat2[i][k][m][1];
1100 for (j = 0; j < 256; j++) {
1101 snprintf(p, end - p, "%" PRIu64 " %" PRIu64 " ",
1102 f->rc_stat[j][0], f->rc_stat[j][1]);
1105 snprintf(p, end - p, "\n");
1107 for (i = 0; i < f->quant_table_count; i++) {
1108 for (j = 0; j < f->context_count[i]; j++)
1109 for (m = 0; m < 32; m++) {
1110 snprintf(p, end - p, "%" PRIu64 " %" PRIu64 " ",
1111 f->rc_stat2[i][j][m][0], f->rc_stat2[i][j][m][1]);
1115 snprintf(p, end - p, "%d\n", f->gob_count);
1121 maxsize = FF_MIN_BUFFER_SIZE + avctx->width*avctx->height*3LL*4;
1123 if ((ret = ff_alloc_packet2(avctx, pkt, maxsize)) < 0)
1126 ff_init_range_encoder(c, pkt->data, pkt->size);
1127 ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8);
1130 if ((ret = av_frame_ref(p, pict)) < 0)
1132 p->pict_type = AV_PICTURE_TYPE_I;
1134 if (avctx->gop_size == 0 || f->picture_number % avctx->gop_size == 0) {
1135 put_rac(c, &keystate, 1);
1140 put_rac(c, &keystate, 0);
1146 for (i = 1; i < 256; i++) {
1147 c->one_state[i] = f->state_transition[i];
1148 c->zero_state[256 - i] = 256 - c->one_state[i];
1152 for (i = 1; i < f->slice_count; i++) {
1153 FFV1Context *fs = f->slice_context[i];
1154 uint8_t *start = pkt->data + (pkt->size - used_count) * (int64_t)i / f->slice_count;
1155 int len = pkt->size / f->slice_count;
1156 ff_init_range_encoder(&fs->c, start, len);
1158 avctx->execute(avctx, encode_slice, &f->slice_context[0], NULL,
1159 f->slice_count, sizeof(void *));
1162 for (i = 0; i < f->slice_count; i++) {
1163 FFV1Context *fs = f->slice_context[i];
1167 uint8_t state = 129;
1168 put_rac(&fs->c, &state, 0);
1169 bytes = ff_rac_terminate(&fs->c);
1171 flush_put_bits(&fs->pb); // FIXME: nicer padding
1172 bytes = fs->ac_byte_count + (put_bits_count(&fs->pb) + 7) / 8;
1174 if (i > 0 || f->version > 2) {
1175 av_assert0(bytes < pkt->size / f->slice_count);
1176 memmove(buf_p, fs->c.bytestream_start, bytes);
1177 av_assert0(bytes < (1 << 24));
1178 AV_WB24(buf_p + bytes, bytes);
1184 v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, buf_p, bytes);
1185 AV_WL32(buf_p + bytes, v);
1191 if (avctx->flags & CODEC_FLAG_PASS1)
1192 avctx->stats_out[0] = '\0';
1194 f->picture_number++;
1195 pkt->size = buf_p - pkt->data;
1197 pkt->dts = pict->pts;
1198 pkt->flags |= AV_PKT_FLAG_KEY * p->key_frame;
1204 #define OFFSET(x) offsetof(FFV1Context, x)
1205 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1206 static const AVOption options[] = {
1207 { "slicecrc", "Protect slices with CRCs", OFFSET(ec), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
1211 static const AVClass ffv1_class = {
1212 .class_name = "ffv1 encoder",
1213 .item_name = av_default_item_name,
1215 .version = LIBAVUTIL_VERSION_INT,
1218 static const AVCodecDefault ffv1_defaults[] = {
1223 AVCodec ff_ffv1_encoder = {
1225 .long_name = NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"),
1226 .type = AVMEDIA_TYPE_VIDEO,
1227 .id = AV_CODEC_ID_FFV1,
1228 .priv_data_size = sizeof(FFV1Context),
1229 .init = encode_init,
1230 .encode2 = encode_frame,
1231 .close = ffv1_close,
1232 .capabilities = CODEC_CAP_SLICE_THREADS | CODEC_CAP_DELAY,
1233 .pix_fmts = (const enum AVPixelFormat[]) {
1234 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV444P,
1235 AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV411P,
1236 AV_PIX_FMT_YUV410P, AV_PIX_FMT_0RGB32, AV_PIX_FMT_RGB32, AV_PIX_FMT_YUV420P16,
1237 AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV422P9,
1238 AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
1239 AV_PIX_FMT_YUVA444P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA420P16,
1240 AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA420P10,
1241 AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA420P9,
1242 AV_PIX_FMT_GRAY16, AV_PIX_FMT_GRAY8, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
1243 AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14,
1247 .defaults = ffv1_defaults,
1248 .priv_class = &ffv1_class,