1130 lines
39 KiB
C
1130 lines
39 KiB
C
/*
|
|
* FFV1 encoder for libavcodec
|
|
*
|
|
* Copyright (c) 2003-2012 Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav 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.
|
|
*
|
|
* Libav 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 Libav; 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/attributes.h"
|
|
#include "libavutil/avassert.h"
|
|
#include "libavutil/pixdesc.h"
|
|
#include "libavutil/crc.h"
|
|
#include "libavutil/opt.h"
|
|
#include "libavutil/imgutils.h"
|
|
#include "avcodec.h"
|
|
#include "internal.h"
|
|
#include "get_bits.h"
|
|
#include "put_bits.h"
|
|
#include "rangecoder.h"
|
|
#include "golomb.h"
|
|
#include "mathops.h"
|
|
#include "ffv1.h"
|
|
|
|
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 = 1; 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;
|
|
}
|
|
|
|
assert(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
|
|
|
|
ff_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 != AC_GOLOMB_RICE) {
|
|
if (c->bytestream_end - c->bytestream < w * 20) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
} 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 AVERROR_INVALIDDATA;
|
|
}
|
|
}
|
|
|
|
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 != AC_GOLOMB_RICE) {
|
|
if (s->flags & AV_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++;
|
|
}
|
|
}
|
|
|
|
ff_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, const uint8_t *src[3],
|
|
int w, int h, const int stride[3])
|
|
{
|
|
int x, y, p, i;
|
|
const int ring_size = s->avctx->context_model ? 3 : 2;
|
|
int16_t *sample[MAX_PLANES][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 * MAX_PLANES *
|
|
(w + 6) * sizeof(*s->sample_buffer));
|
|
|
|
for (y = 0; y < h; y++) {
|
|
for (i = 0; i < ring_size; i++)
|
|
for (p = 0; p < MAX_PLANES; 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 = *((const 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 = *((const uint16_t *)(src[0] + x * 2 + stride[0] * y));
|
|
g = *((const uint16_t *)(src[1] + x * 2 + stride[1] * y));
|
|
r = *((const 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 == AC_RANGE_CUSTOM_TAB) {
|
|
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_extradata(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_size = 10000 + 4 +
|
|
(11 * 11 * 5 * 5 * 5 + 11 * 11 * 11) * 32;
|
|
f->avctx->extradata = av_malloc(f->avctx->extradata_size);
|
|
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 == AC_RANGE_CUSTOM_TAB)
|
|
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 init_slices_state(FFV1Context *f)
|
|
{
|
|
int i, ret;
|
|
for (i = 0; i < f->slice_count; i++) {
|
|
FFV1Context *fs = f->slice_context[i];
|
|
if ((ret = ffv1_init_slice_state(f, fs)) < 0)
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static av_cold int ffv1_encode_init(AVCodecContext *avctx)
|
|
{
|
|
FFV1Context *s = avctx->priv_data;
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
|
|
int i, j, k, m, ret;
|
|
|
|
ffv1_common_init(avctx);
|
|
|
|
s->version = 0;
|
|
|
|
if ((avctx->flags & (AV_CODEC_FLAG_PASS1 | AV_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 %d requested, please set -strict experimental in "
|
|
"order to enable it\n",
|
|
s->version);
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
#if FF_API_CODER_TYPE
|
|
FF_DISABLE_DEPRECATION_WARNINGS
|
|
if (avctx->coder_type != -1)
|
|
s->ac = avctx->coder_type > 0 ? AC_RANGE_CUSTOM_TAB : AC_GOLOMB_RICE;
|
|
FF_ENABLE_DEPRECATION_WARNINGS
|
|
#endif
|
|
|
|
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 == AC_GOLOMB_RICE) {
|
|
av_log(avctx, AV_LOG_INFO,
|
|
"bits_per_raw_sample > 8, forcing range coder\n");
|
|
s->ac = AC_RANGE_CUSTOM_TAB;
|
|
}
|
|
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_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_GBRP16:
|
|
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;
|
|
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 == AC_RANGE_CUSTOM_TAB)
|
|
for (i = 1; i < 256; i++)
|
|
s->state_transition[i] = ffv1_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] = ffv1_quant11[i];
|
|
s->quant_tables[0][1][i] = ffv1_quant11[i] * 11;
|
|
s->quant_tables[0][2][i] = ffv1_quant11[i] * 11 * 11;
|
|
s->quant_tables[1][0][i] = ffv1_quant11[i];
|
|
s->quant_tables[1][1][i] = ffv1_quant11[i] * 11;
|
|
s->quant_tables[1][2][i] = ffv1_quant5[i] * 11 * 11;
|
|
s->quant_tables[1][3][i] = ffv1_quant5[i] * 5 * 11 * 11;
|
|
s->quant_tables[1][4][i] = ffv1_quant5[i] * 5 * 5 * 11 * 11;
|
|
} else {
|
|
s->quant_tables[0][0][i] = ffv1_quant9_10bit[i];
|
|
s->quant_tables[0][1][i] = ffv1_quant9_10bit[i] * 11;
|
|
s->quant_tables[0][2][i] = ffv1_quant9_10bit[i] * 11 * 11;
|
|
s->quant_tables[1][0][i] = ffv1_quant9_10bit[i];
|
|
s->quant_tables[1][1][i] = ffv1_quant9_10bit[i] * 11;
|
|
s->quant_tables[1][2][i] = ffv1_quant5_10bit[i] * 11 * 11;
|
|
s->quant_tables[1][3][i] = ffv1_quant5_10bit[i] * 5 * 11 * 11;
|
|
s->quant_tables[1][4][i] = ffv1_quant5_10bit[i] * 5 * 5 * 11 * 11;
|
|
}
|
|
}
|
|
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 ((ret = ffv1_allocate_initial_states(s)) < 0)
|
|
return ret;
|
|
|
|
#if FF_API_CODED_FRAME
|
|
FF_DISABLE_DEPRECATION_WARNINGS
|
|
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
|
|
FF_ENABLE_DEPRECATION_WARNINGS
|
|
#endif
|
|
|
|
if (!s->transparency)
|
|
s->plane_count = 2;
|
|
|
|
av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift,
|
|
&s->chroma_v_shift);
|
|
|
|
s->picture_number = 0;
|
|
|
|
if (avctx->flags & (AV_CODEC_FLAG_PASS1 | AV_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 AVERROR_INVALIDDATA;
|
|
}
|
|
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 AVERROR(ENOSYS);
|
|
slices_ok:
|
|
write_extradata(s);
|
|
}
|
|
|
|
if ((ret = ffv1_init_slice_contexts(s)) < 0)
|
|
return ret;
|
|
if ((ret = init_slices_state(s)) < 0)
|
|
return ret;
|
|
|
|
#define STATS_OUT_SIZE 1024 * 1024 * 6
|
|
if (avctx->flags & AV_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->frame->interlaced_frame)
|
|
put_symbol(c, state, 3, 0);
|
|
else
|
|
put_symbol(c, state, 1 + !f->frame->top_field_first, 0);
|
|
put_symbol(c, state, f->frame->sample_aspect_ratio.num, 0);
|
|
put_symbol(c, state, f->frame->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;
|
|
const AVFrame *const p = f->frame;
|
|
const int ps = (av_pix_fmt_desc_get(c->pix_fmt)->flags & AV_PIX_FMT_FLAG_PLANAR)
|
|
? (f->bits_per_raw_sample > 8) + 1
|
|
: 4;
|
|
|
|
if (f->key_frame)
|
|
ffv1_clear_slice_state(f, fs);
|
|
if (f->version > 2) {
|
|
encode_slice_header(f, fs);
|
|
}
|
|
if (fs->ac == AC_GOLOMB_RICE) {
|
|
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 = AV_CEIL_RSHIFT(width, f->chroma_h_shift);
|
|
const int chroma_height = AV_CEIL_RSHIFT(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 {
|
|
const 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 ffv1_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;
|
|
int used_count = 0;
|
|
uint8_t keystate = 128;
|
|
uint8_t *buf_p;
|
|
int i, ret;
|
|
|
|
f->frame = pict;
|
|
|
|
if ((ret = ff_alloc_packet(pkt, avctx->width * avctx->height *
|
|
((8 * 2 + 1 + 1) * 4) / 8 +
|
|
AV_INPUT_BUFFER_MIN_SIZE)) < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
|
|
return ret;
|
|
}
|
|
|
|
ff_init_range_encoder(c, pkt->data, pkt->size);
|
|
ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8);
|
|
|
|
if (avctx->gop_size == 0 || f->picture_number % avctx->gop_size == 0) {
|
|
put_rac(c, &keystate, 1);
|
|
f->key_frame = 1;
|
|
f->gob_count++;
|
|
write_header(f);
|
|
} else {
|
|
put_rac(c, &keystate, 0);
|
|
f->key_frame = 0;
|
|
}
|
|
|
|
if (f->ac == AC_RANGE_CUSTOM_TAB) {
|
|
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 != AC_GOLOMB_RICE) {
|
|
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 & AV_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 & AV_CODEC_FLAG_PASS1)
|
|
avctx->stats_out[0] = '\0';
|
|
|
|
#if FF_API_CODED_FRAME
|
|
FF_DISABLE_DEPRECATION_WARNINGS
|
|
avctx->coded_frame->key_frame = f->key_frame;
|
|
FF_ENABLE_DEPRECATION_WARNINGS
|
|
#endif
|
|
|
|
f->picture_number++;
|
|
pkt->size = buf_p - pkt->data;
|
|
pkt->flags |= AV_PKT_FLAG_KEY * f->key_frame;
|
|
*got_packet = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold int ffv1_encode_close(AVCodecContext *avctx)
|
|
{
|
|
ffv1_close(avctx);
|
|
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 },
|
|
{ "coder", "Coder type", OFFSET(ac), AV_OPT_TYPE_INT,
|
|
{ .i64 = AC_GOLOMB_RICE }, 0, 2, VE, "coder" },
|
|
{ "rice", "Golomb rice", 0, AV_OPT_TYPE_CONST,
|
|
{ .i64 = AC_GOLOMB_RICE }, INT_MIN, INT_MAX, VE, "coder" },
|
|
{ "range_def", "Range with default table", 0, AV_OPT_TYPE_CONST,
|
|
{ .i64 = AC_RANGE_DEFAULT_TAB }, INT_MIN, INT_MAX, VE, "coder" },
|
|
{ "range_tab", "Range with custom table", 0, AV_OPT_TYPE_CONST,
|
|
{ .i64 = AC_RANGE_CUSTOM_TAB }, INT_MIN, INT_MAX, VE, "coder" },
|
|
|
|
{ NULL }
|
|
};
|
|
|
|
static const AVClass class = {
|
|
.class_name = "ffv1 encoder",
|
|
.item_name = av_default_item_name,
|
|
.option = options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
|
|
#if FF_API_CODER_TYPE
|
|
static const AVCodecDefault ffv1_defaults[] = {
|
|
{ "coder", "-1" },
|
|
{ NULL },
|
|
};
|
|
#endif
|
|
|
|
AVCodec ff_ffv1_encoder = {
|
|
.name = "ffv1",
|
|
.long_name = NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_FFV1,
|
|
.priv_data_size = sizeof(FFV1Context),
|
|
.init = ffv1_encode_init,
|
|
.encode2 = ffv1_encode_frame,
|
|
.close = ffv1_encode_close,
|
|
.capabilities = AV_CODEC_CAP_SLICE_THREADS,
|
|
.pix_fmts = (const enum AVPixelFormat[]) {
|
|
AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P,
|
|
AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
|
|
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_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
|
|
AV_PIX_FMT_RGB32,
|
|
AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
|
|
AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
|
|
AV_PIX_FMT_GRAY16, AV_PIX_FMT_GRAY8,
|
|
AV_PIX_FMT_NONE
|
|
|
|
},
|
|
#if FF_API_CODER_TYPE
|
|
.defaults = ffv1_defaults,
|
|
#endif
|
|
.priv_class = &class,
|
|
};
|