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author | Michael Niedermayer <michaelni@gmx.at> | 2012-10-21 14:05:46 +0200 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2012-10-21 14:26:23 +0200 |
commit | e4255eaf47373c0c1691cbcbc0816253e938b662 (patch) | |
tree | 2943cf510ddf31c2adbe5fb2087b9f6830da5fd2 /libavcodec/ffv1enc.c | |
parent | dcbff35199e1596d9d1200e734ef4a4c306e50f1 (diff) | |
download | ffmpeg-streaming-e4255eaf47373c0c1691cbcbc0816253e938b662.zip ffmpeg-streaming-e4255eaf47373c0c1691cbcbc0816253e938b662.tar.gz |
ffv1: split decoder and encoder
This is not based on lucas work due to code divergence (its less work this way
than trying to merge from a split based on 2 years outdated code)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/ffv1enc.c')
-rw-r--r-- | libavcodec/ffv1enc.c | 1142 |
1 files changed, 1142 insertions, 0 deletions
diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c new file mode 100644 index 0000000..dd52329 --- /dev/null +++ b/libavcodec/ffv1enc.c @@ -0,0 +1,1142 @@ +/* + * FFV1 encoder + * + * Copyright (c) 2003-2012 Michael Niedermayer <michaelni@gmx.at> + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * FF Video Codec 1 (a lossless codec) encoder + */ + +#include "libavutil/avassert.h" +#include "libavutil/crc.h" +#include "libavutil/opt.h" +#include "libavutil/imgutils.h" +#include "libavutil/pixdesc.h" +#include "libavutil/timer.h" +#include "avcodec.h" +#include "internal.h" +#include "get_bits.h" +#include "dsputil.h" +#include "rangecoder.h" +#include "golomb.h" +#include "mathops.h" +#include "ffv1.h" + +static const int8_t quant5_10bit[256] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, + -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, + -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, + -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, + -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -0, -0, -0, -0, -0, -0, -0, -0, -0, -0, +}; + +static const int8_t quant5[256] = { + 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, + -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, + -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, + -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, + -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, + -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, + -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, + -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -1, -1, -1, +}; + +static const int8_t quant9_10bit[256] = { + 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, + -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, + -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, + -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, + -4, -4, -4, -4, -4, -4, -4, -4, -4, -3, -3, -3, -3, -3, -3, -3, + -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, + -3, -3, -3, -3, -3, -3, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, + -2, -2, -2, -2, -1, -1, -1, -1, -1, -1, -1, -1, -0, -0, -0, -0, +}; + +static const int8_t quant11[256] = { + 0, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, + -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, + -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, + -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, + -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, + -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -4, -4, + -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, + -4, -4, -4, -4, -4, -3, -3, -3, -3, -3, -3, -3, -2, -2, -2, -1, +}; + +static const uint8_t ver2_state[256] = { + 0, 10, 10, 10, 10, 16, 16, 16, 28, 16, 16, 29, 42, 49, 20, 49, + 59, 25, 26, 26, 27, 31, 33, 33, 33, 34, 34, 37, 67, 38, 39, 39, + 40, 40, 41, 79, 43, 44, 45, 45, 48, 48, 64, 50, 51, 52, 88, 52, + 53, 74, 55, 57, 58, 58, 74, 60, 101, 61, 62, 84, 66, 66, 68, 69, + 87, 82, 71, 97, 73, 73, 82, 75, 111, 77, 94, 78, 87, 81, 83, 97, + 85, 83, 94, 86, 99, 89, 90, 99, 111, 92, 93, 134, 95, 98, 105, 98, + 105, 110, 102, 108, 102, 118, 103, 106, 106, 113, 109, 112, 114, 112, 116, 125, + 115, 116, 117, 117, 126, 119, 125, 121, 121, 123, 145, 124, 126, 131, 127, 129, + 165, 130, 132, 138, 133, 135, 145, 136, 137, 139, 146, 141, 143, 142, 144, 148, + 147, 155, 151, 149, 151, 150, 152, 157, 153, 154, 156, 168, 158, 162, 161, 160, + 172, 163, 169, 164, 166, 184, 167, 170, 177, 174, 171, 173, 182, 176, 180, 178, + 175, 189, 179, 181, 186, 183, 192, 185, 200, 187, 191, 188, 190, 197, 193, 196, + 197, 194, 195, 196, 198, 202, 199, 201, 210, 203, 207, 204, 205, 206, 208, 214, + 209, 211, 221, 212, 213, 215, 224, 216, 217, 218, 219, 220, 222, 228, 223, 225, + 226, 224, 227, 229, 240, 230, 231, 232, 233, 234, 235, 236, 238, 239, 237, 242, + 241, 243, 242, 244, 245, 246, 247, 248, 249, 250, 251, 252, 252, 253, 254, 255, +}; + +static void find_best_state(uint8_t best_state[256][256], + const uint8_t one_state[256]) +{ + int i, j, k, m; + double l2tab[256]; + + for (i = 1; i < 256; i++) + l2tab[i] = log2(i / 256.0); + + for (i = 0; i < 256; i++) { + double best_len[256]; + double p = i / 256.0; + + for (j = 0; j < 256; j++) + best_len[j] = 1 << 30; + + for (j = FFMAX(i - 10, 1); j < FFMIN(i + 11, 256); j++) { + double occ[256] = { 0 }; + double len = 0; + occ[j] = 1.0; + for (k = 0; k < 256; k++) { + double newocc[256] = { 0 }; + for (m = 1; m < 256; m++) + if (occ[m]) { + len -=occ[m]*( p *l2tab[ m] + + (1-p)*l2tab[256-m]); + } + if (len < best_len[k]) { + best_len[k] = len; + best_state[i][k] = j; + } + for (m = 0; m < 256; m++) + if (occ[m]) { + newocc[ one_state[ m]] += occ[m] * p; + newocc[256 - one_state[256 - m]] += occ[m] * (1 - p); + } + memcpy(occ, newocc, sizeof(occ)); + } + } + } +} + +static av_always_inline av_flatten void put_symbol_inline(RangeCoder *c, + uint8_t *state, int v, + int is_signed, + uint64_t rc_stat[256][2], + uint64_t rc_stat2[32][2]) +{ + int i; + +#define put_rac(C, S, B) \ + do { \ + if (rc_stat) { \ + rc_stat[*(S)][B]++; \ + rc_stat2[(S) - state][B]++; \ + } \ + put_rac(C, S, B); \ + } while (0) + + if (v) { + const int a = FFABS(v); + const int e = av_log2(a); + put_rac(c, state + 0, 0); + if (e <= 9) { + for (i = 0; i < e; i++) + put_rac(c, state + 1 + i, 1); // 1..10 + put_rac(c, state + 1 + i, 0); + + for (i = e - 1; i >= 0; i--) + put_rac(c, state + 22 + i, (a >> i) & 1); // 22..31 + + if (is_signed) + put_rac(c, state + 11 + e, v < 0); // 11..21 + } else { + for (i = 0; i < e; i++) + put_rac(c, state + 1 + FFMIN(i, 9), 1); // 1..10 + put_rac(c, state + 1 + 9, 0); + + for (i = e - 1; i >= 0; i--) + put_rac(c, state + 22 + FFMIN(i, 9), (a >> i) & 1); // 22..31 + + if (is_signed) + put_rac(c, state + 11 + 10, v < 0); // 11..21 + } + } else { + put_rac(c, state + 0, 1); + } +#undef put_rac +} + +static av_noinline void put_symbol(RangeCoder *c, uint8_t *state, + int v, int is_signed) +{ + put_symbol_inline(c, state, v, is_signed, NULL, NULL); +} + + +static inline void put_vlc_symbol(PutBitContext *pb, VlcState *const state, + int v, int bits) +{ + int i, k, code; + v = fold(v - state->bias, bits); + + i = state->count; + k = 0; + while (i < state->error_sum) { // FIXME: optimize + k++; + i += i; + } + + av_assert2(k<=13); + +#if 0 // JPEG LS + if (k == 0 && 2 * state->drift <= -state->count) + code = v ^ (-1); + else + code = v; +#else + code = v ^ ((2 * state->drift + state->count) >> 31); +#endif + + av_dlog(NULL, "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); + set_sr_golomb(pb, code, k, 12, bits); + + update_vlc_state(state, v); +} + +static av_always_inline int encode_line(FFV1Context *s, int w, + int16_t *sample[3], + int plane_index, int bits) +{ + PlaneContext *const p = &s->plane[plane_index]; + RangeCoder *const c = &s->c; + int x; + int run_index = s->run_index; + int run_count = 0; + int run_mode = 0; + + if (s->ac) { + if (c->bytestream_end - c->bytestream < w * 20) { + av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); + return -1; + } + } else { + if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < w * 4) { + av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); + return -1; + } + } + + for (x = 0; x < w; x++) { + int diff, context; + + context = get_context(p, sample[0] + x, sample[1] + x, sample[2] + x); + diff = sample[0][x] - predict(sample[0] + x, sample[1] + x); + + if (context < 0) { + context = -context; + diff = -diff; + } + + diff = fold(diff, bits); + + if (s->ac) { + if (s->flags & CODEC_FLAG_PASS1) { + put_symbol_inline(c, p->state[context], diff, 1, s->rc_stat, + s->rc_stat2[p->quant_table_index][context]); + } else { + put_symbol_inline(c, p->state[context], diff, 1, NULL, NULL); + } + } else { + if (context == 0) + run_mode = 1; + + if (run_mode) { + if (diff) { + while (run_count >= 1 << ff_log2_run[run_index]) { + run_count -= 1 << ff_log2_run[run_index]; + run_index++; + put_bits(&s->pb, 1, 1); + } + + put_bits(&s->pb, 1 + ff_log2_run[run_index], run_count); + if (run_index) + run_index--; + run_count = 0; + run_mode = 0; + if (diff > 0) + diff--; + } else { + run_count++; + } + } + + av_dlog(s->avctx, "count:%d index:%d, mode:%d, x:%d pos:%d\n", + run_count, run_index, run_mode, x, + (int)put_bits_count(&s->pb)); + + if (run_mode == 0) + put_vlc_symbol(&s->pb, &p->vlc_state[context], diff, bits); + } + } + if (run_mode) { + while (run_count >= 1 << ff_log2_run[run_index]) { + run_count -= 1 << ff_log2_run[run_index]; + run_index++; + put_bits(&s->pb, 1, 1); + } + + if (run_count) + put_bits(&s->pb, 1, 1); + } + s->run_index = run_index; + + return 0; +} + +static void encode_plane(FFV1Context *s, uint8_t *src, int w, int h, + int stride, int plane_index) +{ + int x, y, i; + const int ring_size = s->avctx->context_model ? 3 : 2; + int16_t *sample[3]; + s->run_index = 0; + + memset(s->sample_buffer, 0, ring_size * (w + 6) * sizeof(*s->sample_buffer)); + + for (y = 0; y < h; y++) { + for (i = 0; i < ring_size; i++) + sample[i] = s->sample_buffer + (w + 6) * ((h + i - y) % ring_size) + 3; + + sample[0][-1]= sample[1][0 ]; + sample[1][ w]= sample[1][w-1]; +// { START_TIMER + if (s->bits_per_raw_sample <= 8) { + for (x = 0; x < w; x++) + sample[0][x] = src[x + stride * y]; + encode_line(s, w, sample, plane_index, 8); + } else { + if (s->packed_at_lsb) { + for (x = 0; x < w; x++) { + sample[0][x] = ((uint16_t*)(src + stride*y))[x]; + } + } else { + for (x = 0; x < w; x++) { + sample[0][x] = ((uint16_t*)(src + stride*y))[x] >> (16 - s->bits_per_raw_sample); + } + } + encode_line(s, w, sample, plane_index, s->bits_per_raw_sample); + } +// STOP_TIMER("encode line") } + } +} + +static void encode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h, int stride[3]) +{ + int x, y, p, i; + const int ring_size = s->avctx->context_model ? 3 : 2; + int16_t *sample[4][3]; + int lbd = s->avctx->bits_per_raw_sample <= 8; + int bits = s->avctx->bits_per_raw_sample > 0 ? s->avctx->bits_per_raw_sample : 8; + int offset = 1 << bits; + s->run_index = 0; + + memset(s->sample_buffer, 0, ring_size * 4 * (w + 6) * sizeof(*s->sample_buffer)); + + for (y = 0; y < h; y++) { + for (i = 0; i < ring_size; i++) + for (p = 0; p < 4; p++) + sample[p][i]= s->sample_buffer + p*ring_size*(w+6) + ((h+i-y)%ring_size)*(w+6) + 3; + + for (x = 0; x < w; x++) { + int b, g, r, av_uninit(a); + if (lbd) { + unsigned v = *((uint32_t*)(src[0] + x*4 + stride[0]*y)); + b = v & 0xFF; + g = (v >> 8) & 0xFF; + r = (v >> 16) & 0xFF; + a = v >> 24; + } else { + b = *((uint16_t*)(src[0] + x*2 + stride[0]*y)); + g = *((uint16_t*)(src[1] + x*2 + stride[1]*y)); + r = *((uint16_t*)(src[2] + x*2 + stride[2]*y)); + } + + b -= g; + r -= g; + g += (b + r) >> 2; + b += offset; + r += offset; + + sample[0][0][x] = g; + sample[1][0][x] = b; + sample[2][0][x] = r; + sample[3][0][x] = a; + } + for (p = 0; p < 3 + s->transparency; p++) { + sample[p][0][-1] = sample[p][1][0 ]; + sample[p][1][ w] = sample[p][1][w-1]; + if (lbd) + encode_line(s, w, sample[p], (p+1)/2, 9); + else + encode_line(s, w, sample[p], (p+1)/2, bits+1); + } + } +} + +static void write_quant_table(RangeCoder *c, int16_t *quant_table) +{ + int last = 0; + int i; + uint8_t state[CONTEXT_SIZE]; + memset(state, 128, sizeof(state)); + + for (i = 1; i < 128; i++) + if (quant_table[i] != quant_table[i - 1]) { + put_symbol(c, state, i - last - 1, 0); + last = i; + } + put_symbol(c, state, i - last - 1, 0); +} + +static void write_quant_tables(RangeCoder *c, + int16_t quant_table[MAX_CONTEXT_INPUTS][256]) +{ + int i; + for (i = 0; i < 5; i++) + write_quant_table(c, quant_table[i]); +} + +static void write_header(FFV1Context *f) +{ + uint8_t state[CONTEXT_SIZE]; + int i, j; + RangeCoder *const c = &f->slice_context[0]->c; + + memset(state, 128, sizeof(state)); + + if (f->version < 2) { + put_symbol(c, state, f->version, 0); + put_symbol(c, state, f->ac, 0); + if (f->ac > 1) { + for (i = 1; i < 256; i++) + put_symbol(c, state, + f->state_transition[i] - c->one_state[i], 1); + } + put_symbol(c, state, f->colorspace, 0); //YUV cs type + if (f->version > 0) + put_symbol(c, state, f->bits_per_raw_sample, 0); + put_rac(c, state, f->chroma_planes); + put_symbol(c, state, f->chroma_h_shift, 0); + put_symbol(c, state, f->chroma_v_shift, 0); + put_rac(c, state, f->transparency); + + write_quant_tables(c, f->quant_table); + } else if (f->version < 3) { + put_symbol(c, state, f->slice_count, 0); + for (i = 0; i < f->slice_count; i++) { + FFV1Context *fs = f->slice_context[i]; + put_symbol(c, state, + (fs->slice_x + 1) * f->num_h_slices / f->width, 0); + put_symbol(c, state, + (fs->slice_y + 1) * f->num_v_slices / f->height, 0); + put_symbol(c, state, + (fs->slice_width + 1) * f->num_h_slices / f->width - 1, + 0); + put_symbol(c, state, + (fs->slice_height + 1) * f->num_v_slices / f->height - 1, + 0); + for (j = 0; j < f->plane_count; j++) { + put_symbol(c, state, f->plane[j].quant_table_index, 0); + av_assert0(f->plane[j].quant_table_index == f->avctx->context_model); + } + } + } +} + +static int write_extra_header(FFV1Context *f) +{ + RangeCoder *const c = &f->c; + uint8_t state[CONTEXT_SIZE]; + int i, j, k; + uint8_t state2[32][CONTEXT_SIZE]; + unsigned v; + + memset(state2, 128, sizeof(state2)); + memset(state, 128, sizeof(state)); + + f->avctx->extradata = av_malloc(f->avctx->extradata_size = 10000 + + (11 * 11 * 5 * 5 * 5 + 11 * 11 * 11) * 32); + ff_init_range_encoder(c, f->avctx->extradata, f->avctx->extradata_size); + ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8); + + put_symbol(c, state, f->version, 0); + if (f->version > 2) { + if (f->version == 3) + f->minor_version = 2; + put_symbol(c, state, f->minor_version, 0); + } + put_symbol(c, state, f->ac, 0); + if (f->ac > 1) + for (i = 1; i < 256; i++) + put_symbol(c, state, f->state_transition[i] - c->one_state[i], 1); + put_symbol(c, state, f->colorspace, 0); // YUV cs type + put_symbol(c, state, f->bits_per_raw_sample, 0); + put_rac(c, state, f->chroma_planes); + put_symbol(c, state, f->chroma_h_shift, 0); + put_symbol(c, state, f->chroma_v_shift, 0); + put_rac(c, state, f->transparency); + put_symbol(c, state, f->num_h_slices - 1, 0); + put_symbol(c, state, f->num_v_slices - 1, 0); + + put_symbol(c, state, f->quant_table_count, 0); + for (i = 0; i < f->quant_table_count; i++) + write_quant_tables(c, f->quant_tables[i]); + + for (i = 0; i < f->quant_table_count; i++) { + for (j = 0; j < f->context_count[i] * CONTEXT_SIZE; j++) + if (f->initial_states[i] && f->initial_states[i][0][j] != 128) + break; + if (j < f->context_count[i] * CONTEXT_SIZE) { + put_rac(c, state, 1); + for (j = 0; j < f->context_count[i]; j++) + for (k = 0; k < CONTEXT_SIZE; k++) { + int pred = j ? f->initial_states[i][j - 1][k] : 128; + put_symbol(c, state2[k], + (int8_t)(f->initial_states[i][j][k] - pred), 1); + } + } else { + put_rac(c, state, 0); + } + } + + if (f->version > 2) { + put_symbol(c, state, f->ec, 0); + } + + f->avctx->extradata_size = ff_rac_terminate(c); + v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, f->avctx->extradata, f->avctx->extradata_size); + AV_WL32(f->avctx->extradata + f->avctx->extradata_size, v); + f->avctx->extradata_size += 4; + + return 0; +} + +static int sort_stt(FFV1Context *s, uint8_t stt[256]) +{ + int i, i2, changed, print = 0; + + do { + changed = 0; + for (i = 12; i < 244; i++) { + for (i2 = i + 1; i2 < 245 && i2 < i + 4; i2++) { + +#define COST(old, new) \ + s->rc_stat[old][0] * -log2((256 - (new)) / 256.0) + \ + s->rc_stat[old][1] * -log2((new) / 256.0) + +#define COST2(old, new) \ + COST(old, new) + COST(256 - (old), 256 - (new)) + + double size0 = COST2(i, i) + COST2(i2, i2); + double sizeX = COST2(i, i2) + COST2(i2, i); + if (sizeX < size0 && i != 128 && i2 != 128) { + int j; + FFSWAP(int, stt[i], stt[i2]); + FFSWAP(int, s->rc_stat[i][0], s->rc_stat[i2][0]); + FFSWAP(int, s->rc_stat[i][1], s->rc_stat[i2][1]); + if (i != 256 - i2) { + FFSWAP(int, stt[256 - i], stt[256 - i2]); + FFSWAP(int, s->rc_stat[256 - i][0], s->rc_stat[256 - i2][0]); + FFSWAP(int, s->rc_stat[256 - i][1], s->rc_stat[256 - i2][1]); + } + for (j = 1; j < 256; j++) { + if (stt[j] == i) + stt[j] = i2; + else if (stt[j] == i2) + stt[j] = i; + if (i != 256 - i2) { + if (stt[256 - j] == 256 - i) + stt[256 - j] = 256 - i2; + else if (stt[256 - j] == 256 - i2) + stt[256 - j] = 256 - i; + } + } + print = changed = 1; + } + } + } + } while (changed); + return print; +} + +static av_cold int encode_init(AVCodecContext *avctx) +{ + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); + FFV1Context *s = avctx->priv_data; + int i, j, k, m; + + ffv1_common_init(avctx); + + s->version = 0; + + if ((avctx->flags & (CODEC_FLAG_PASS1|CODEC_FLAG_PASS2)) || avctx->slices>1) + s->version = FFMAX(s->version, 2); + + if (avctx->level == 3) { + s->version = 3; + } + + if (s->ec < 0) { + s->ec = (s->version >= 3); + } + + if (s->version >= 2 && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) { + av_log(avctx, AV_LOG_ERROR, "Version 2 needed for requested features but version 2 is experimental and not enabled\n"); + return AVERROR_INVALIDDATA; + } + + s->ac = avctx->coder_type > 0 ? 2 : 0; + + s->plane_count = 3; + switch(avctx->pix_fmt) { + case AV_PIX_FMT_YUV444P9: + case AV_PIX_FMT_YUV422P9: + case AV_PIX_FMT_YUV420P9: + if (!avctx->bits_per_raw_sample) + s->bits_per_raw_sample = 9; + case AV_PIX_FMT_YUV444P10: + case AV_PIX_FMT_YUV420P10: + case AV_PIX_FMT_YUV422P10: + s->packed_at_lsb = 1; + if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) + s->bits_per_raw_sample = 10; + case AV_PIX_FMT_GRAY16: + case AV_PIX_FMT_YUV444P16: + case AV_PIX_FMT_YUV422P16: + case AV_PIX_FMT_YUV420P16: + if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) { + s->bits_per_raw_sample = 16; + } else if (!s->bits_per_raw_sample) { + s->bits_per_raw_sample = avctx->bits_per_raw_sample; + } + if (s->bits_per_raw_sample <= 8) { + av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample invalid\n"); + return AVERROR_INVALIDDATA; + } + if (!s->ac && avctx->coder_type == -1) { + av_log(avctx, AV_LOG_INFO, "bits_per_raw_sample > 8, forcing coder 1\n"); + s->ac = 2; + } + if (!s->ac) { + av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample of more than 8 needs -coder 1 currently\n"); + return AVERROR_INVALIDDATA; + } + s->version = FFMAX(s->version, 1); + case AV_PIX_FMT_GRAY8: + case AV_PIX_FMT_YUV444P: + case AV_PIX_FMT_YUV440P: + case AV_PIX_FMT_YUV422P: + case AV_PIX_FMT_YUV420P: + case AV_PIX_FMT_YUV411P: + case AV_PIX_FMT_YUV410P: + s->chroma_planes = desc->nb_components < 3 ? 0 : 1; + s->colorspace = 0; + break; + case AV_PIX_FMT_YUVA444P: + case AV_PIX_FMT_YUVA422P: + case AV_PIX_FMT_YUVA420P: + s->chroma_planes = 1; + s->colorspace = 0; + s->transparency = 1; + break; + case AV_PIX_FMT_RGB32: + s->colorspace = 1; + s->transparency = 1; + break; + case AV_PIX_FMT_0RGB32: + s->colorspace = 1; + break; + case AV_PIX_FMT_GBRP9: + if (!avctx->bits_per_raw_sample) + s->bits_per_raw_sample = 9; + case AV_PIX_FMT_GBRP10: + if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) + s->bits_per_raw_sample = 10; + case AV_PIX_FMT_GBRP12: + if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) + s->bits_per_raw_sample = 12; + case AV_PIX_FMT_GBRP14: + if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) + s->bits_per_raw_sample = 14; + else if (!s->bits_per_raw_sample) + s->bits_per_raw_sample = avctx->bits_per_raw_sample; + s->colorspace = 1; + s->chroma_planes = 1; + s->version = FFMAX(s->version, 1); + break; + default: + av_log(avctx, AV_LOG_ERROR, "format not supported\n"); + return AVERROR_INVALIDDATA; + } + if (s->transparency) { + av_log(avctx, AV_LOG_WARNING, "Storing alpha plane, this will require a recent FFV1 decoder to playback!\n"); + } + if (avctx->context_model > 1U) { + av_log(avctx, AV_LOG_ERROR, "Invalid context model %d, valid values are 0 and 1\n", avctx->context_model); + return AVERROR(EINVAL); + } + + if (s->ac > 1) + for (i = 1; i < 256; i++) + s->state_transition[i] = ver2_state[i]; + + for (i = 0; i < 256; i++) { + s->quant_table_count = 2; + if (s->bits_per_raw_sample <= 8) { + s->quant_tables[0][0][i]= quant11[i]; + s->quant_tables[0][1][i]= 11*quant11[i]; + s->quant_tables[0][2][i]= 11*11*quant11[i]; + s->quant_tables[1][0][i]= quant11[i]; + s->quant_tables[1][1][i]= 11*quant11[i]; + s->quant_tables[1][2][i]= 11*11*quant5 [i]; + s->quant_tables[1][3][i]= 5*11*11*quant5 [i]; + s->quant_tables[1][4][i]= 5*5*11*11*quant5 [i]; + } else { + s->quant_tables[0][0][i]= quant9_10bit[i]; + s->quant_tables[0][1][i]= 11*quant9_10bit[i]; + s->quant_tables[0][2][i]= 11*11*quant9_10bit[i]; + s->quant_tables[1][0][i]= quant9_10bit[i]; + s->quant_tables[1][1][i]= 11*quant9_10bit[i]; + s->quant_tables[1][2][i]= 11*11*quant5_10bit[i]; + s->quant_tables[1][3][i]= 5*11*11*quant5_10bit[i]; + s->quant_tables[1][4][i]= 5*5*11*11*quant5_10bit[i]; + } + } + s->context_count[0] = (11 * 11 * 11 + 1) / 2; + s->context_count[1] = (11 * 11 * 5 * 5 * 5 + 1) / 2; + memcpy(s->quant_table, s->quant_tables[avctx->context_model], + sizeof(s->quant_table)); + + for (i = 0; i < s->plane_count; i++) { + PlaneContext *const p = &s->plane[i]; + + memcpy(p->quant_table, s->quant_table, sizeof(p->quant_table)); + p->quant_table_index = avctx->context_model; + p->context_count = s->context_count[p->quant_table_index]; + } + + if (ffv1_allocate_initial_states(s) < 0) + return AVERROR(ENOMEM); + + avctx->coded_frame = &s->picture; + if (!s->transparency) + s->plane_count = 2; + avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift, &s->chroma_v_shift); + s->picture_number = 0; + + if (avctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) { + for (i = 0; i < s->quant_table_count; i++) { + s->rc_stat2[i] = av_mallocz(s->context_count[i] * + sizeof(*s->rc_stat2[i])); + if (!s->rc_stat2[i]) + return AVERROR(ENOMEM); + } + } + if (avctx->stats_in) { + char *p = avctx->stats_in; + uint8_t best_state[256][256]; + int gob_count = 0; + char *next; + + av_assert0(s->version >= 2); + + for (;;) { + for (j = 0; j < 256; j++) + for (i = 0; i < 2; i++) { + s->rc_stat[j][i] = strtol(p, &next, 0); + if (next == p) { + av_log(avctx, AV_LOG_ERROR, + "2Pass file invalid at %d %d [%s]\n", j, i, p); + return -1; + } + p = next; + } + for (i = 0; i < s->quant_table_count; i++) + for (j = 0; j < s->context_count[i]; j++) { + for (k = 0; k < 32; k++) + for (m = 0; m < 2; m++) { + s->rc_stat2[i][j][k][m] = strtol(p, &next, 0); + if (next == p) { + av_log(avctx, AV_LOG_ERROR, + "2Pass file invalid at %d %d %d %d [%s]\n", + i, j, k, m, p); + return AVERROR_INVALIDDATA; + } + p = next; + } + } + gob_count = strtol(p, &next, 0); + if (next == p || gob_count <= 0) { + av_log(avctx, AV_LOG_ERROR, "2Pass file invalid\n"); + return AVERROR_INVALIDDATA; + } + p = next; + while (*p == '\n' || *p == ' ') + p++; + if (p[0] == 0) + break; + } + sort_stt(s, s->state_transition); + + find_best_state(best_state, s->state_transition); + + for (i = 0; i < s->quant_table_count; i++) { + for (j = 0; j < s->context_count[i]; j++) + for (k = 0; k < 32; k++) { + double p = 128; + if (s->rc_stat2[i][j][k][0] + s->rc_stat2[i][j][k][1]) { + p = 256.0 * s->rc_stat2[i][j][k][1] / + (s->rc_stat2[i][j][k][0] + s->rc_stat2[i][j][k][1]); + } + s->initial_states[i][j][k] = + best_state[av_clip(round(p), 1, 255)][av_clip((s->rc_stat2[i][j][k][0] + + s->rc_stat2[i][j][k][1]) / + gob_count, 0, 255)]; + } + } + } + + if (s->version > 1) { + for (s->num_v_slices = 2; s->num_v_slices < 9; s->num_v_slices++) { + for (s->num_h_slices = s->num_v_slices; s->num_h_slices < 2*s->num_v_slices; s->num_h_slices++) { + if (avctx->slices == s->num_h_slices * s->num_v_slices && avctx->slices <= 64 || !avctx->slices) + goto slices_ok; + } + } + av_log(avctx, AV_LOG_ERROR, "Unsupported number %d of slices requested, please specify a supported number with -slices (ex:4,6,9,12,16, ...)\n", avctx->slices); + return -1; + slices_ok: + write_extra_header(s); + } + + if (ffv1_init_slice_contexts(s) < 0) + return -1; + if (ffv1_init_slices_state(s) < 0) + return -1; + +#define STATS_OUT_SIZE 1024 * 1024 * 6 + if (avctx->flags & CODEC_FLAG_PASS1) { + avctx->stats_out = av_mallocz(STATS_OUT_SIZE); + for (i = 0; i < s->quant_table_count; i++) + for (j = 0; j < s->slice_count; j++) { + FFV1Context *sf = s->slice_context[j]; + av_assert0(!sf->rc_stat2[i]); + sf->rc_stat2[i] = av_mallocz(s->context_count[i] * + sizeof(*sf->rc_stat2[i])); + if (!sf->rc_stat2[i]) + return AVERROR(ENOMEM); + } + } + + return 0; +} + +static void encode_slice_header(FFV1Context *f, FFV1Context *fs) +{ + RangeCoder *c = &fs->c; + uint8_t state[CONTEXT_SIZE]; + int j; + memset(state, 128, sizeof(state)); + + put_symbol(c, state, (fs->slice_x +1)*f->num_h_slices / f->width , 0); + put_symbol(c, state, (fs->slice_y +1)*f->num_v_slices / f->height , 0); + put_symbol(c, state, (fs->slice_width +1)*f->num_h_slices / f->width -1, 0); + put_symbol(c, state, (fs->slice_height+1)*f->num_v_slices / f->height-1, 0); + for (j=0; j<f->plane_count; j++) { + put_symbol(c, state, f->plane[j].quant_table_index, 0); + av_assert0(f->plane[j].quant_table_index == f->avctx->context_model); + } + if (!f->picture.interlaced_frame) put_symbol(c, state, 3, 0); + else put_symbol(c, state, 1 + !f->picture.top_field_first, 0); + put_symbol(c, state, f->picture.sample_aspect_ratio.num, 0); + put_symbol(c, state, f->picture.sample_aspect_ratio.den, 0); +} + +static int encode_slice(AVCodecContext *c, void *arg) +{ + FFV1Context *fs = *(void **)arg; + FFV1Context *f = fs->avctx->priv_data; + int width = fs->slice_width; + int height = fs->slice_height; + int x = fs->slice_x; + int y = fs->slice_y; + AVFrame *const p = &f->picture; + const int ps = av_pix_fmt_desc_get(c->pix_fmt)->comp[0].step_minus1 + 1; + + if (p->key_frame) + ffv1_clear_slice_state(f, fs); + if (f->version > 2) { + encode_slice_header(f, fs); + } + if (!fs->ac) { + if (f->version > 2) + put_rac(&fs->c, (uint8_t[]) {129}, 0); + fs->ac_byte_count = f->version > 2 || (!x&&!y) ? ff_rac_terminate(&fs->c) : 0; + init_put_bits(&fs->pb, fs->c.bytestream_start + fs->ac_byte_count, fs->c.bytestream_end - fs->c.bytestream_start - fs->ac_byte_count); + } + + if (f->colorspace == 0) { + const int chroma_width = -((-width) >> f->chroma_h_shift); + const int chroma_height = -((-height) >> f->chroma_v_shift); + const int cx = x >> f->chroma_h_shift; + const int cy = y >> f->chroma_v_shift; + + encode_plane(fs, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0); + + if (f->chroma_planes) { + encode_plane(fs, p->data[1] + ps*cx+cy*p->linesize[1], chroma_width, chroma_height, p->linesize[1], 1); + encode_plane(fs, p->data[2] + ps*cx+cy*p->linesize[2], chroma_width, chroma_height, p->linesize[2], 1); + } + if (fs->transparency) + encode_plane(fs, p->data[3] + ps*x + y*p->linesize[3], width, height, p->linesize[3], 2); + } else { + uint8_t *planes[3] = {p->data[0] + ps*x + y*p->linesize[0], + p->data[1] + ps*x + y*p->linesize[1], + p->data[2] + ps*x + y*p->linesize[2]}; + encode_rgb_frame(fs, planes, width, height, p->linesize); + } + emms_c(); + + return 0; +} + +static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, + const AVFrame *pict, int *got_packet) +{ + FFV1Context *f = avctx->priv_data; + RangeCoder *const c = &f->slice_context[0]->c; + AVFrame *const p = &f->picture; + int used_count = 0; + uint8_t keystate = 128; + uint8_t *buf_p; + int i, ret; + + if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width*avctx->height*((8*2+1+1)*4)/8 + + FF_MIN_BUFFER_SIZE)) < 0) + return ret; + + ff_init_range_encoder(c, pkt->data, pkt->size); + ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8); + + *p = *pict; + p->pict_type = AV_PICTURE_TYPE_I; + + if (avctx->gop_size == 0 || f->picture_number % avctx->gop_size == 0) { + put_rac(c, &keystate, 1); + p->key_frame = 1; + f->gob_count++; + write_header(f); + } else { + put_rac(c, &keystate, 0); + p->key_frame = 0; + } + + if (f->ac > 1) { + int i; + for (i = 1; i < 256; i++) { + c->one_state[i] = f->state_transition[i]; + c->zero_state[256 - i] = 256 - c->one_state[i]; + } + } + + for (i = 1; i < f->slice_count; i++) { + FFV1Context *fs = f->slice_context[i]; + uint8_t *start = pkt->data + (pkt->size - used_count) * (int64_t)i / f->slice_count; + int len = pkt->size / f->slice_count; + ff_init_range_encoder(&fs->c, start, len); + } + avctx->execute(avctx, encode_slice, &f->slice_context[0], NULL, + f->slice_count, sizeof(void *)); + + buf_p = pkt->data; + for (i = 0; i < f->slice_count; i++) { + FFV1Context *fs = f->slice_context[i]; + int bytes; + + if (fs->ac) { + uint8_t state=129; + put_rac(&fs->c, &state, 0); + bytes = ff_rac_terminate(&fs->c); + } else { + flush_put_bits(&fs->pb); // FIXME: nicer padding + bytes = fs->ac_byte_count + (put_bits_count(&fs->pb) + 7)/8; + } + if (i > 0 || f->version > 2) { + av_assert0(bytes < pkt->size / f->slice_count); + memmove(buf_p, fs->c.bytestream_start, bytes); + av_assert0(bytes < (1 << 24)); + AV_WB24(buf_p + bytes, bytes); + bytes += 3; + } + if (f->ec) { + unsigned v; + buf_p[bytes++] = 0; + v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, buf_p, bytes); + AV_WL32(buf_p + bytes, v); bytes += 4; + } + buf_p += bytes; + } + + if ((avctx->flags & CODEC_FLAG_PASS1) && (f->picture_number & 31) == 0) { + int j, k, m; + char *p = avctx->stats_out; + char *end = p + STATS_OUT_SIZE; + + memset(f->rc_stat, 0, sizeof(f->rc_stat)); + for (i = 0; i < f->quant_table_count; i++) + memset(f->rc_stat2[i], 0, f->context_count[i] * sizeof(*f->rc_stat2[i])); + + for (j = 0; j < f->slice_count; j++) { + FFV1Context *fs = f->slice_context[j]; + for (i = 0; i < 256; i++) { + f->rc_stat[i][0] += fs->rc_stat[i][0]; + f->rc_stat[i][1] += fs->rc_stat[i][1]; + } + for (i = 0; i < f->quant_table_count; i++) { + for (k = 0; k < f->context_count[i]; k++) + for (m = 0; m < 32; m++) { + f->rc_stat2[i][k][m][0] += fs->rc_stat2[i][k][m][0]; + f->rc_stat2[i][k][m][1] += fs->rc_stat2[i][k][m][1]; + } + } + } + + for (j = 0; j < 256; j++) { + snprintf(p, end - p, "%" PRIu64 " %" PRIu64 " ", + f->rc_stat[j][0], f->rc_stat[j][1]); + p += strlen(p); + } + snprintf(p, end - p, "\n"); + + for (i = 0; i < f->quant_table_count; i++) { + for (j = 0; j < f->context_count[i]; j++) + for (m = 0; m < 32; m++) { + snprintf(p, end - p, "%" PRIu64 " %" PRIu64 " ", + f->rc_stat2[i][j][m][0], f->rc_stat2[i][j][m][1]); + p += strlen(p); + } + } + snprintf(p, end - p, "%d\n", f->gob_count); + } else if (avctx->flags & CODEC_FLAG_PASS1) + avctx->stats_out[0] = '\0'; + + f->picture_number++; + pkt->size = buf_p - pkt->data; + pkt->flags |= AV_PKT_FLAG_KEY * p->key_frame; + *got_packet = 1; + + return 0; +} + +#define OFFSET(x) offsetof(FFV1Context, x) +#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM +static const AVOption options[] = { + { "slicecrc", "Protect slices with CRCs", OFFSET(ec), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE}, +{NULL} +}; + +static const AVClass class = { + .class_name = "ffv1 encoder", + .item_name = av_default_item_name, + .option = options, + .version = LIBAVUTIL_VERSION_INT, +}; + +static const AVCodecDefault ffv1_defaults[] = { + { "coder", "-1" }, + { NULL }, +}; + +AVCodec ff_ffv1_encoder = { + .name = "ffv1", + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_FFV1, + .priv_data_size = sizeof(FFV1Context), + .init = encode_init, + .encode2 = encode_frame, + .close = ffv1_common_end, + .capabilities = CODEC_CAP_SLICE_THREADS, + .defaults = ffv1_defaults, + .pix_fmts = (const enum AVPixelFormat[]) { + AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV444P, + AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV411P, + AV_PIX_FMT_YUV410P, AV_PIX_FMT_0RGB32, AV_PIX_FMT_RGB32, AV_PIX_FMT_YUV420P16, + AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV422P9, + AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, + AV_PIX_FMT_GRAY16, AV_PIX_FMT_GRAY8, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, + AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, + AV_PIX_FMT_NONE + }, + .long_name = NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"), + .priv_class = &class, +}; |