/*
- * FFV1 encoder for libavcodec
+ * FFV1 encoder
*
- * Copyright (c) 2012 Michael Niedermayer <michaelni@gmx.at>
+ * Copyright (c) 2003-2012 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
*/
#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 "put_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])
{
occ[j] = 1.0;
for (k = 0; k < 256; k++) {
double newocc[256] = { 0 };
- for (m = 0; m < 256; m++)
+ for (m = 1; m < 256; m++)
if (occ[m]) {
- len -= occ[m] * (p * l2tab[m] +
- (1 - p) * l2tab[256 - m]);
+ len -=occ[m]*( p *l2tab[ m]
+ + (1-p)*l2tab[256-m]);
}
if (len < best_len[k]) {
best_len[k] = len;
}
for (m = 0; m < 256; m++)
if (occ[m]) {
- newocc[one_state[m]] += occ[m] * p;
+ newocc[ one_state[ m]] += occ[m] * p;
newocc[256 - one_state[256 - m]] += occ[m] * (1 - p);
}
memcpy(occ, newocc, sizeof(occ));
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)
{
i += i;
}
- assert(k <= 8);
+ av_assert2(k <= 13);
#if 0 // JPEG LS
if (k == 0 && 2 * state->drift <= -state->count)
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;
+ 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 -1;
+ return AVERROR_INVALIDDATA;
}
}
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];
+ sample[0][-1]= sample[1][0 ];
+ sample[1][ w]= sample[1][w-1];
// { START_TIMER
- if (s->avctx->bits_per_raw_sample <= 8) {
+ 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 {
- for (x = 0; x < w; x++)
- sample[0][x] = ((uint16_t *)(src + stride * y))[x] >>
- (16 - s->avctx->bits_per_raw_sample);
- encode_line(s, w, sample, plane_index, s->avctx->bits_per_raw_sample);
+ 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, uint32_t *src, int w, int h,
- int stride)
+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[3][3];
+ 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 * 3 * (w + 6) * sizeof(*s->sample_buffer));
+ 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 < 3; p++)
- sample[p][i] = s->sample_buffer + p * ring_size * (w + 6) +
- ((h + i - y) % ring_size) * (w + 6) + 3;
+ 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 v = src[x + stride * y];
- int b = v & 0xFF;
- int g = (v >> 8) & 0xFF;
- int r = (v >> 16) & 0xFF;
+ 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 += 0x100;
- r += 0x100;
+ 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; p++) {
- sample[p][0][-1] = sample[p][1][0];
- sample[p][1][w] = sample[p][1][w - 1];
- encode_line(s, w, sample[p], FFMIN(p, 1), 9);
+ 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);
}
}
}
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->colorspace, 0); //YUV cs type
if (f->version > 0)
- put_symbol(c, state, f->avctx->bits_per_raw_sample, 0);
- put_rac(c, state, 1); // chroma planes
+ 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, 0); // no transparency plane
+ put_rac(c, state, f->transparency);
write_quant_tables(c, f->quant_table);
- } else {
+ } 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];
}
}
-static int write_extra_header(FFV1Context *f)
+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 = av_malloc(f->avctx->extradata_size = 10000 +
- (11 * 11 * 5 * 5 * 5 + 11 * 11 * 11) * 32);
+ 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 > 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->avctx->bits_per_raw_sample, 0);
- put_rac(c, state, 1); // chroma planes
+ 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, 0); // no transparency plane
+ 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);
}
}
+ 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;
}
return print;
}
-static av_cold int ffv1_encode_init(AVCodecContext *avctx)
+static av_cold int encode_init(AVCodecContext *avctx)
{
FFV1Context *s = avctx->priv_data;
- int i, j, k, m;
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
+ int i, j, k, m, ret;
ffv1_common_init(avctx);
s->version = 0;
- s->ac = avctx->coder_type ? 2 : 0;
- if (s->ac > 1)
- for (i = 1; i < 256; i++)
- s->state_transition[i] = ffv1_ver2_state[i];
+ if ((avctx->flags & (CODEC_FLAG_PASS1|CODEC_FLAG_PASS2)) || avctx->slices>1)
+ s->version = FFMAX(s->version, 2);
- s->plane_count = 2;
- for (i = 0; i < 256; i++) {
- s->quant_table_count = 2;
- if (avctx->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;
- }
+ if (avctx->level == 3) {
+ s->version = 3;
}
- 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 (s->ec < 0) {
+ s->ec = (s->version >= 3);
}
- if (ffv1_allocate_initial_states(s) < 0)
- return AVERROR(ENOMEM);
+ 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;
+ }
- avctx->coded_frame = &s->picture;
- switch (avctx->pix_fmt) {
+ 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 <= 8) {
+ 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 -1;
+ 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 -1;
+ av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample of more than 8 needs -coder 1 currently\n");
+ return AVERROR(ENOSYS);
}
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 -1;
+ return AVERROR(ENOSYS);
+ }
+ 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);
}
- avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift,
- &s->chroma_v_shift);
+ 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 ((ret = ffv1_allocate_initial_states(s)) < 0)
+ return ret;
+
+ 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)) {
av_assert0(s->version >= 2);
- for (;; ) {
+ 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;
+ return AVERROR_INVALIDDATA;
}
p = next;
}
av_log(avctx, AV_LOG_ERROR,
"2Pass file invalid at %d %d %d %d [%s]\n",
i, j, k, m, p);
- return -1;
+ return AVERROR_INVALIDDATA;
}
p = next;
}
}
gob_count = strtol(p, &next, 0);
- if (next == p || gob_count < 0) {
+ if (next == p || gob_count <= 0) {
av_log(avctx, AV_LOG_ERROR, "2Pass file invalid\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
p = next;
while (*p == '\n' || *p == ' ')
}
if (s->version > 1) {
- s->num_h_slices = 2;
- s->num_v_slices = 2;
- write_extra_header(s);
+ 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 (ffv1_init_slice_contexts(s) < 0)
- return -1;
- if (ffv1_init_slice_state(s) < 0)
- return -1;
+ if ((ret = ffv1_init_slice_contexts(s)) < 0)
+ return ret;
+ if ((ret = ffv1_init_slices_state(s)) < 0)
+ return ret;
#define STATS_OUT_SIZE 1024 * 1024 * 6
if (avctx->flags & CODEC_FLAG_PASS1) {
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;
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 cx = x >> f->chroma_h_shift;
const int cy = y >> f->chroma_v_shift;
- encode_plane(fs, p->data[0] + x + y * p->linesize[0],
- width, height, p->linesize[0], 0);
+ encode_plane(fs, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0);
- encode_plane(fs, p->data[1] + cx + cy * p->linesize[1],
- chroma_width, chroma_height, p->linesize[1], 1);
- encode_plane(fs, p->data[2] + cx + cy * p->linesize[2],
- chroma_width, chroma_height, p->linesize[2], 1);
+ 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 {
- encode_rgb_frame(fs, (uint32_t *)(p->data[0]) +
- x + y * (p->linesize[0] / 4),
- width, height, p->linesize[0] / 4);
+ 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)
+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;
uint8_t *buf_p;
int i, ret;
- if (!pkt->data &&
- (ret = av_new_packet(pkt, avctx->width * avctx->height *
- ((8 * 2 + 1 + 1) * 4) / 8 + FF_MIN_BUFFER_SIZE)) < 0) {
- av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
+ 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->key_frame = 1;
f->gob_count++;
write_header(f);
- ffv1_clear_state(f);
} else {
put_rac(c, &keystate, 0);
p->key_frame = 0;
}
- if (!f->ac) {
- used_count += ff_rac_terminate(c);
- init_put_bits(&f->slice_context[0]->pb, pkt->data + used_count,
- pkt->size - used_count);
- } else if (f->ac > 1) {
+ if (f->ac > 1) {
int i;
for (i = 1; i < 256; i++) {
c->one_state[i] = f->state_transition[i];
for (i = 1; i < f->slice_count; i++) {
FFV1Context *fs = f->slice_context[i];
- uint8_t *start = pkt->data + (pkt->size - used_count) * i / f->slice_count;
+ uint8_t *start = pkt->data + (pkt->size - used_count) * (int64_t)i / f->slice_count;
int len = pkt->size / f->slice_count;
-
- if (fs->ac)
- ff_init_range_encoder(&fs->c, start, len);
- else
- init_put_bits(&fs->pb, start, len);
+ ff_init_range_encoder(&fs->c, start, len);
}
avctx->execute(avctx, encode_slice, &f->slice_context[0], NULL,
f->slice_count, sizeof(void *));
int bytes;
if (fs->ac) {
- uint8_t state = 128;
+ 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 = used_count + (put_bits_count(&fs->pb) + 7) / 8;
- used_count = 0;
+ bytes = fs->ac_byte_count + (put_bits_count(&fs->pb) + 7) / 8;
}
- if (i > 0) {
+ if (i > 0 || f->version > 2) {
av_assert0(bytes < pkt->size / f->slice_count);
- memmove(buf_p, fs->ac ? fs->c.bytestream_start : fs->pb.buf, bytes);
+ 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;
}
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 = ffv1_encode_init,
- .encode2 = ffv1_encode_frame,
+ .init = encode_init,
+ .encode2 = encode_frame,
.close = ffv1_close,
.capabilities = 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_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
- AV_PIX_FMT_RGB32,
+ 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"),
+ .defaults = ffv1_defaults,
+ .priv_class = &class,
};
projects / ffmpeg / blobdiff