55f9037f |
/* |
513042c9 |
* muxing functions for use within FFmpeg |
55f9037f |
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
* |
513042c9 |
* This file is part of FFmpeg. |
55f9037f |
* |
513042c9 |
* FFmpeg is free software; you can redistribute it and/or |
55f9037f |
* 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.
* |
513042c9 |
* FFmpeg is distributed in the hope that it will be useful, |
55f9037f |
* 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 |
513042c9 |
* License along with FFmpeg; if not, write to the Free Software |
55f9037f |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avformat.h"
#include "avio_internal.h"
#include "internal.h"
#include "libavcodec/internal.h"
#include "libavcodec/bytestream.h"
#include "libavutil/opt.h"
#include "libavutil/dict.h"
#include "libavutil/pixdesc.h" |
513042c9 |
#include "libavutil/timestamp.h" |
55f9037f |
#include "metadata.h"
#include "id3v2.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h" |
7950e519 |
#include "libavutil/internal.h" |
55f9037f |
#include "libavutil/mathematics.h"
#include "libavutil/parseutils.h"
#include "libavutil/time.h"
#include "riff.h"
#include "audiointerleave.h"
#include "url.h"
#include <stdarg.h>
#if CONFIG_NETWORK
#include "network.h"
#endif
/**
* @file |
513042c9 |
* muxing functions for use within libavformat |
55f9037f |
*/
/* fraction handling */
/**
* f = val + (num / den) + 0.5.
*
* 'num' is normalized so that it is such as 0 <= num < den.
*
* @param f fractional number
* @param val integer value
* @param num must be >= 0
* @param den must be >= 1
*/ |
b4d68e7c |
static void frac_init(FFFrac *f, int64_t val, int64_t num, int64_t den) |
55f9037f |
{
num += (den >> 1);
if (num >= den) {
val += num / den;
num = num % den;
}
f->val = val;
f->num = num;
f->den = den;
}
/**
* Fractional addition to f: f = f + (incr / f->den).
*
* @param f fractional number
* @param incr increment, can be positive or negative
*/ |
b4d68e7c |
static void frac_add(FFFrac *f, int64_t incr) |
55f9037f |
{
int64_t num, den;
num = f->num + incr;
den = f->den;
if (num < 0) {
f->val += num / den;
num = num % den;
if (num < 0) {
num += den;
f->val--;
}
} else if (num >= den) {
f->val += num / den;
num = num % den;
}
f->num = num;
}
|
8cbf0827 |
AVRational ff_choose_timebase(AVFormatContext *s, AVStream *st, int min_precision) |
de707bc8 |
{
AVRational q;
int j;
|
1d54f510 |
q = st->time_base;
|
5e6439a1 |
for (j=2; j<14; j+= 1+(j>2)) |
8cbf0827 |
while (q.den / q.num < min_precision && q.num % j == 0) |
de707bc8 |
q.num /= j; |
8cbf0827 |
while (q.den / q.num < min_precision && q.den < (1<<24)) |
de707bc8 |
q.den <<= 1;
return q;
}
|
a45cf639 |
enum AVChromaLocation ff_choose_chroma_location(AVFormatContext *s, AVStream *st)
{ |
6f69f7a8 |
AVCodecParameters *par = st->codecpar;
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(par->format); |
a45cf639 |
|
6f69f7a8 |
if (par->chroma_location != AVCHROMA_LOC_UNSPECIFIED)
return par->chroma_location; |
a45cf639 |
if (pix_desc) {
if (pix_desc->log2_chroma_h == 0) {
return AVCHROMA_LOC_TOPLEFT;
} else if (pix_desc->log2_chroma_w == 1 && pix_desc->log2_chroma_h == 1) { |
6f69f7a8 |
if (par->field_order == AV_FIELD_UNKNOWN || par->field_order == AV_FIELD_PROGRESSIVE) {
switch (par->codec_id) { |
a45cf639 |
case AV_CODEC_ID_MJPEG:
case AV_CODEC_ID_MPEG1VIDEO: return AVCHROMA_LOC_CENTER;
}
} |
6f69f7a8 |
if (par->field_order == AV_FIELD_UNKNOWN || par->field_order != AV_FIELD_PROGRESSIVE) {
switch (par->codec_id) { |
a45cf639 |
case AV_CODEC_ID_MPEG2VIDEO: return AVCHROMA_LOC_LEFT;
}
}
}
}
return AVCHROMA_LOC_UNSPECIFIED;
}
|
513042c9 |
int avformat_alloc_output_context2(AVFormatContext **avctx, AVOutputFormat *oformat,
const char *format, const char *filename)
{
AVFormatContext *s = avformat_alloc_context();
int ret = 0;
*avctx = NULL;
if (!s)
goto nomem;
if (!oformat) {
if (format) {
oformat = av_guess_format(format, NULL, NULL);
if (!oformat) {
av_log(s, AV_LOG_ERROR, "Requested output format '%s' is not a suitable output format\n", format);
ret = AVERROR(EINVAL);
goto error;
}
} else {
oformat = av_guess_format(NULL, filename, NULL);
if (!oformat) {
ret = AVERROR(EINVAL);
av_log(s, AV_LOG_ERROR, "Unable to find a suitable output format for '%s'\n",
filename);
goto error;
}
}
}
s->oformat = oformat;
if (s->oformat->priv_data_size > 0) {
s->priv_data = av_mallocz(s->oformat->priv_data_size);
if (!s->priv_data)
goto nomem;
if (s->oformat->priv_class) {
*(const AVClass**)s->priv_data= s->oformat->priv_class;
av_opt_set_defaults(s->priv_data);
}
} else
s->priv_data = NULL;
if (filename)
av_strlcpy(s->filename, filename, sizeof(s->filename));
*avctx = s;
return 0;
nomem:
av_log(s, AV_LOG_ERROR, "Out of memory\n");
ret = AVERROR(ENOMEM);
error:
avformat_free_context(s);
return ret;
}
|
55f9037f |
static int validate_codec_tag(AVFormatContext *s, AVStream *st)
{
const AVCodecTag *avctag;
int n;
enum AVCodecID id = AV_CODEC_ID_NONE; |
e9a26dc5 |
int64_t tag = -1; |
55f9037f |
/**
* Check that tag + id is in the table
* If neither is in the table -> OK
* If tag is in the table with another id -> FAIL
* If id is in the table with another tag -> FAIL unless strict < normal
*/
for (n = 0; s->oformat->codec_tag[n]; n++) {
avctag = s->oformat->codec_tag[n];
while (avctag->id != AV_CODEC_ID_NONE) { |
9200514a |
if (avpriv_toupper4(avctag->tag) == avpriv_toupper4(st->codecpar->codec_tag)) { |
55f9037f |
id = avctag->id; |
9200514a |
if (id == st->codecpar->codec_id) |
55f9037f |
return 1;
} |
9200514a |
if (avctag->id == st->codecpar->codec_id) |
55f9037f |
tag = avctag->tag;
avctag++;
}
}
if (id != AV_CODEC_ID_NONE)
return 0; |
042eba52 |
if (tag >= 0 && (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL)) |
55f9037f |
return 0;
return 1;
}
|
1e46c63e |
static int init_muxer(AVFormatContext *s, AVDictionary **options) |
55f9037f |
{
int ret = 0, i;
AVStream *st;
AVDictionary *tmp = NULL; |
9200514a |
AVCodecParameters *par = NULL; |
86bbdf86 |
AVOutputFormat *of = s->oformat; |
8de1ee9f |
const AVCodecDescriptor *desc; |
9893e883 |
AVDictionaryEntry *e; |
55f9037f |
if (options)
av_dict_copy(&tmp, *options, 0); |
86bbdf86 |
|
55f9037f |
if ((ret = av_opt_set_dict(s, &tmp)) < 0)
goto fail; |
513042c9 |
if (s->priv_data && s->oformat->priv_class && *(const AVClass**)s->priv_data==s->oformat->priv_class && |
c9a12fdd |
(ret = av_opt_set_dict2(s->priv_data, &tmp, AV_OPT_SEARCH_CHILDREN)) < 0) |
513042c9 |
goto fail; |
55f9037f |
|
6f69f7a8 |
#if FF_API_LAVF_AVCTX |
9200514a |
FF_DISABLE_DEPRECATION_WARNINGS |
c34363ac |
if (s->nb_streams && s->streams[0]->codec->flags & AV_CODEC_FLAG_BITEXACT) {
if (!(s->flags & AVFMT_FLAG_BITEXACT)) { |
0c1959b0 |
#if FF_API_LAVF_BITEXACT |
c34363ac |
av_log(s, AV_LOG_WARNING,
"Setting the AVFormatContext to bitexact mode, because "
"the AVCodecContext is in that mode. This behavior will "
"change in the future. To keep the current behavior, set "
"AVFormatContext.flags |= AVFMT_FLAG_BITEXACT.\n");
s->flags |= AVFMT_FLAG_BITEXACT;
#else
av_log(s, AV_LOG_WARNING,
"The AVFormatContext is not in set to bitexact mode, only "
"the AVCodecContext. If this is not intended, set "
"AVFormatContext.flags |= AVFMT_FLAG_BITEXACT.\n"); |
0c1959b0 |
#endif |
c34363ac |
}
} |
9200514a |
FF_ENABLE_DEPRECATION_WARNINGS |
0c1959b0 |
#endif
|
55f9037f |
// some sanity checks |
86bbdf86 |
if (s->nb_streams == 0 && !(of->flags & AVFMT_NOSTREAMS)) { |
d37d4b6e |
av_log(s, AV_LOG_ERROR, "No streams to mux were specified\n"); |
55f9037f |
ret = AVERROR(EINVAL);
goto fail;
}
for (i = 0; i < s->nb_streams; i++) { |
9200514a |
st = s->streams[i];
par = st->codecpar; |
55f9037f |
|
11de006b |
#if FF_API_LAVF_CODEC_TB && FF_API_LAVF_AVCTX |
194be1f4 |
FF_DISABLE_DEPRECATION_WARNINGS |
9200514a |
if (!st->time_base.num && st->codec->time_base.num) { |
194be1f4 |
av_log(s, AV_LOG_WARNING, "Using AVStream.codec.time_base as a "
"timebase hint to the muxer is deprecated. Set "
"AVStream.time_base instead.\n"); |
9200514a |
avpriv_set_pts_info(st, 64, st->codec->time_base.num, st->codec->time_base.den);
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
#if FF_API_LAVF_AVCTX
FF_DISABLE_DEPRECATION_WARNINGS
if (st->codecpar->codec_type == AVMEDIA_TYPE_UNKNOWN &&
st->codec->codec_type != AVMEDIA_TYPE_UNKNOWN) {
av_log(s, AV_LOG_WARNING, "Using AVStream.codec to pass codec "
"parameters to muxers is deprecated, use AVStream.codecpar "
"instead.\n");
ret = avcodec_parameters_from_context(st->codecpar, st->codec);
if (ret < 0)
goto fail; |
194be1f4 |
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (!st->time_base.num) {
/* fall back on the default timebase values */ |
9200514a |
if (par->codec_type == AVMEDIA_TYPE_AUDIO && par->sample_rate)
avpriv_set_pts_info(st, 64, 1, par->sample_rate); |
194be1f4 |
else
avpriv_set_pts_info(st, 33, 1, 90000);
}
|
9200514a |
switch (par->codec_type) { |
55f9037f |
case AVMEDIA_TYPE_AUDIO: |
9200514a |
if (par->sample_rate <= 0) { |
55f9037f |
av_log(s, AV_LOG_ERROR, "sample rate not set\n");
ret = AVERROR(EINVAL);
goto fail;
} |
9200514a |
if (!par->block_align)
par->block_align = par->channels *
av_get_bits_per_sample(par->codec_id) >> 3; |
55f9037f |
break;
case AVMEDIA_TYPE_VIDEO: |
9200514a |
if ((par->width <= 0 || par->height <= 0) && |
86bbdf86 |
!(of->flags & AVFMT_NODIMENSIONS)) { |
55f9037f |
av_log(s, AV_LOG_ERROR, "dimensions not set\n");
ret = AVERROR(EINVAL);
goto fail;
} |
6f69f7a8 |
if (av_cmp_q(st->sample_aspect_ratio, par->sample_aspect_ratio)
&& fabs(av_q2d(st->sample_aspect_ratio) - av_q2d(par->sample_aspect_ratio)) > 0.004*av_q2d(st->sample_aspect_ratio) |
513042c9 |
) { |
e21307a2 |
if (st->sample_aspect_ratio.num != 0 &&
st->sample_aspect_ratio.den != 0 && |
6f69f7a8 |
par->sample_aspect_ratio.num != 0 && |
9200514a |
par->sample_aspect_ratio.den != 0) { |
e21307a2 |
av_log(s, AV_LOG_ERROR, "Aspect ratio mismatch between muxer " |
f48366c7 |
"(%d/%d) and encoder layer (%d/%d)\n",
st->sample_aspect_ratio.num, st->sample_aspect_ratio.den, |
6f69f7a8 |
par->sample_aspect_ratio.num,
par->sample_aspect_ratio.den); |
e21307a2 |
ret = AVERROR(EINVAL);
goto fail;
} |
55f9037f |
}
break;
}
|
9200514a |
desc = avcodec_descriptor_get(par->codec_id); |
8de1ee9f |
if (desc && desc->props & AV_CODEC_PROP_REORDER)
st->internal->reorder = 1;
|
86bbdf86 |
if (of->codec_tag) { |
6f69f7a8 |
if ( par->codec_tag
&& par->codec_id == AV_CODEC_ID_RAWVIDEO
&& ( av_codec_get_tag(of->codec_tag, par->codec_id) == 0
|| av_codec_get_tag(of->codec_tag, par->codec_id) == MKTAG('r', 'a', 'w', ' ')) |
6cbbf4a2 |
&& !validate_codec_tag(s, st)) { |
86bbdf86 |
// the current rawvideo encoding system ends up setting |
6cbbf4a2 |
// the wrong codec_tag for avi/mov, we override it here |
9200514a |
par->codec_tag = 0; |
55f9037f |
} |
9200514a |
if (par->codec_tag) { |
55f9037f |
if (!validate_codec_tag(s, st)) { |
cd4d6cba |
const uint32_t otag = av_codec_get_tag(s->oformat->codec_tag, par->codec_id); |
55f9037f |
av_log(s, AV_LOG_ERROR, |
54904525 |
"Tag %s incompatible with output codec id '%d' (%s)\n",
av_fourcc2str(par->codec_tag), par->codec_id, av_fourcc2str(otag)); |
55f9037f |
ret = AVERROR_INVALIDDATA;
goto fail;
}
} else |
9200514a |
par->codec_tag = av_codec_get_tag(of->codec_tag, par->codec_id); |
55f9037f |
}
|
9200514a |
if (par->codec_type != AVMEDIA_TYPE_ATTACHMENT) |
33c859c1 |
s->internal->nb_interleaved_streams++; |
55f9037f |
}
|
86bbdf86 |
if (!s->priv_data && of->priv_data_size > 0) {
s->priv_data = av_mallocz(of->priv_data_size); |
55f9037f |
if (!s->priv_data) {
ret = AVERROR(ENOMEM);
goto fail;
} |
86bbdf86 |
if (of->priv_class) {
*(const AVClass **)s->priv_data = of->priv_class; |
55f9037f |
av_opt_set_defaults(s->priv_data); |
330d547e |
if ((ret = av_opt_set_dict2(s->priv_data, &tmp, AV_OPT_SEARCH_CHILDREN)) < 0) |
55f9037f |
goto fail;
}
}
/* set muxer identification string */ |
0c1959b0 |
if (!(s->flags & AVFMT_FLAG_BITEXACT)) { |
55f9037f |
av_dict_set(&s->metadata, "encoder", LIBAVFORMAT_IDENT, 0); |
618bdb7f |
} else {
av_dict_set(&s->metadata, "encoder", NULL, 0); |
55f9037f |
}
|
9893e883 |
for (e = NULL; e = av_dict_get(s->metadata, "encoder-", e, AV_DICT_IGNORE_SUFFIX); ) {
av_dict_set(&s->metadata, e->key, NULL, 0);
}
|
1e46c63e |
if (options) {
av_dict_free(options);
*options = tmp; |
55f9037f |
}
|
a246fef1 |
if (s->oformat->init) {
if ((ret = s->oformat->init(s)) < 0) {
if (s->oformat->deinit)
s->oformat->deinit(s);
return ret;
}
return ret == 0; |
1f9139b0 |
}
|
1e46c63e |
return 0;
fail:
av_dict_free(&tmp);
return ret;
}
static int init_pts(AVFormatContext *s)
{
int i;
AVStream *st;
|
55f9037f |
/* init PTS generation */
for (i = 0; i < s->nb_streams; i++) {
int64_t den = AV_NOPTS_VALUE;
st = s->streams[i];
|
6f69f7a8 |
switch (st->codecpar->codec_type) { |
55f9037f |
case AVMEDIA_TYPE_AUDIO: |
6f69f7a8 |
den = (int64_t)st->time_base.num * st->codecpar->sample_rate; |
55f9037f |
break;
case AVMEDIA_TYPE_VIDEO: |
6f69f7a8 |
den = (int64_t)st->time_base.num * st->time_base.den; |
55f9037f |
break;
default:
break;
} |
b4d68e7c |
if (!st->priv_pts)
st->priv_pts = av_mallocz(sizeof(*st->priv_pts));
if (!st->priv_pts)
return AVERROR(ENOMEM);
|
55f9037f |
if (den != AV_NOPTS_VALUE) { |
1e46c63e |
if (den <= 0)
return AVERROR_INVALIDDATA;
|
b4d68e7c |
frac_init(st->priv_pts, 0, 0, den); |
55f9037f |
}
}
|
1e46c63e |
return 0;
}
|
eeeb595c |
static void flush_if_needed(AVFormatContext *s)
{
if (s->pb && s->pb->error >= 0) {
if (s->flush_packets == 1 || s->flags & AVFMT_FLAG_FLUSH_PACKETS)
avio_flush(s->pb);
else if (s->flush_packets && !(s->oformat->flags & AVFMT_NOFILE))
avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
}
}
|
9da27fb5 |
static int write_header_internal(AVFormatContext *s)
{ |
db7968bf |
if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER); |
9da27fb5 |
if (s->oformat->write_header) {
int ret = s->oformat->write_header(s);
if (ret >= 0 && s->pb && s->pb->error < 0)
ret = s->pb->error; |
517fe644 |
s->internal->write_header_ret = ret; |
9da27fb5 |
if (ret < 0)
return ret; |
eeeb595c |
flush_if_needed(s); |
9da27fb5 |
}
s->internal->header_written = 1; |
db7968bf |
if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_UNKNOWN); |
9da27fb5 |
return 0;
}
|
a246fef1 |
int avformat_init_output(AVFormatContext *s, AVDictionary **options) |
1e46c63e |
{
int ret = 0;
|
da4ef13c |
if ((ret = init_muxer(s, options)) < 0) |
1e46c63e |
return ret;
|
a246fef1 |
s->internal->initialized = 1;
s->internal->streams_initialized = ret;
if (s->oformat->init && ret) {
if ((ret = init_pts(s)) < 0)
return ret;
if (s->avoid_negative_ts < 0) {
av_assert2(s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO);
if (s->oformat->flags & (AVFMT_TS_NEGATIVE | AVFMT_NOTIMESTAMPS)) {
s->avoid_negative_ts = 0;
} else
s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_NON_NEGATIVE;
}
return AVSTREAM_INIT_IN_INIT_OUTPUT;
}
return AVSTREAM_INIT_IN_WRITE_HEADER;
}
int avformat_write_header(AVFormatContext *s, AVDictionary **options)
{
int ret = 0;
int already_initialized = s->internal->initialized;
int streams_already_initialized = s->internal->streams_initialized;
if (!already_initialized)
if ((ret = avformat_init_output(s, options)) < 0)
return ret;
|
1f6d7eb4 |
if (!(s->oformat->check_bitstream && s->flags & AVFMT_FLAG_AUTO_BSF)) { |
9da27fb5 |
ret = write_header_internal(s); |
1e46c63e |
if (ret < 0) |
301ead13 |
goto fail; |
55f9037f |
} |
1e46c63e |
|
a246fef1 |
if (!s->internal->streams_initialized) {
if ((ret = init_pts(s)) < 0)
goto fail; |
1e46c63e |
|
a246fef1 |
if (s->avoid_negative_ts < 0) {
av_assert2(s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO);
if (s->oformat->flags & (AVFMT_TS_NEGATIVE | AVFMT_NOTIMESTAMPS)) {
s->avoid_negative_ts = 0;
} else
s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_NON_NEGATIVE;
} |
eba33396 |
}
|
a246fef1 |
return streams_already_initialized; |
301ead13 |
fail:
if (s->oformat->deinit)
s->oformat->deinit(s);
return ret; |
55f9037f |
}
|
1b05ac22 |
#define AV_PKT_FLAG_UNCODED_FRAME 0x2000
/* Note: using sizeof(AVFrame) from outside lavu is unsafe in general, but
it is only being used internally to this file as a consistency check.
The value is chosen to be very unlikely to appear on its own and to cause
immediate failure if used anywhere as a real size. */
#define UNCODED_FRAME_PACKET_SIZE (INT_MIN / 3 * 2 + (int)sizeof(AVFrame))
|
11de006b |
#if FF_API_COMPUTE_PKT_FIELDS2 && FF_API_LAVF_AVCTX |
9200514a |
FF_DISABLE_DEPRECATION_WARNINGS |
55f9037f |
//FIXME merge with compute_pkt_fields |
0106a20a |
static int compute_muxer_pkt_fields(AVFormatContext *s, AVStream *st, AVPacket *pkt) |
55f9037f |
{ |
6f69f7a8 |
int delay = FFMAX(st->codecpar->video_delay, st->internal->avctx->max_b_frames > 0); |
a312f710 |
int num, den, i; |
999a99c8 |
int frame_size; |
55f9037f |
|
8de1ee9f |
if (!s->internal->missing_ts_warning &&
!(s->oformat->flags & AVFMT_NOTIMESTAMPS) && |
f8e3ebde |
(!(st->disposition & AV_DISPOSITION_ATTACHED_PIC) || (st->disposition & AV_DISPOSITION_TIMED_THUMBNAILS)) && |
8de1ee9f |
(pkt->pts == AV_NOPTS_VALUE || pkt->dts == AV_NOPTS_VALUE)) {
av_log(s, AV_LOG_WARNING,
"Timestamps are unset in a packet for stream %d. "
"This is deprecated and will stop working in the future. "
"Fix your code to set the timestamps properly\n", st->index);
s->internal->missing_ts_warning = 1;
}
|
d4cf3779 |
if (s->debug & FF_FDEBUG_TS) |
0106a20a |
av_log(s, AV_LOG_TRACE, "compute_muxer_pkt_fields: pts:%s dts:%s cur_dts:%s b:%d size:%d st:%d\n", |
513042c9 |
av_ts2str(pkt->pts), av_ts2str(pkt->dts), av_ts2str(st->cur_dts), delay, pkt->size, pkt->stream_index); |
55f9037f |
|
3af1aba2 |
if (pkt->duration < 0 && st->codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE) { |
b01891a9 |
av_log(s, AV_LOG_WARNING, "Packet with invalid duration %"PRId64" in stream %d\n", |
dc6a17cf |
pkt->duration, pkt->stream_index);
pkt->duration = 0;
}
|
55f9037f |
/* duration field */
if (pkt->duration == 0) { |
2d6e5849 |
ff_compute_frame_duration(s, &num, &den, st, NULL, pkt); |
55f9037f |
if (den && num) {
pkt->duration = av_rescale(1, num * (int64_t)st->time_base.den * st->codec->ticks_per_frame, den * (int64_t)st->time_base.num);
}
}
if (pkt->pts == AV_NOPTS_VALUE && pkt->dts != AV_NOPTS_VALUE && delay == 0)
pkt->pts = pkt->dts;
//XXX/FIXME this is a temporary hack until all encoders output pts
if ((pkt->pts == 0 || pkt->pts == AV_NOPTS_VALUE) && pkt->dts == AV_NOPTS_VALUE && !delay) { |
513042c9 |
static int warned;
if (!warned) {
av_log(s, AV_LOG_WARNING, "Encoder did not produce proper pts, making some up.\n");
warned = 1;
} |
55f9037f |
pkt->dts =
// pkt->pts= st->cur_dts; |
b4d68e7c |
pkt->pts = st->priv_pts->val; |
55f9037f |
}
//calculate dts from pts
if (pkt->pts != AV_NOPTS_VALUE && pkt->dts == AV_NOPTS_VALUE && delay <= MAX_REORDER_DELAY) {
st->pts_buffer[0] = pkt->pts;
for (i = 1; i < delay + 1 && st->pts_buffer[i] == AV_NOPTS_VALUE; i++)
st->pts_buffer[i] = pkt->pts + (i - delay - 1) * pkt->duration;
for (i = 0; i<delay && st->pts_buffer[i] > st->pts_buffer[i + 1]; i++)
FFSWAP(int64_t, st->pts_buffer[i], st->pts_buffer[i + 1]);
pkt->dts = st->pts_buffer[0];
}
if (st->cur_dts && st->cur_dts != AV_NOPTS_VALUE &&
((!(s->oformat->flags & AVFMT_TS_NONSTRICT) && |
6f69f7a8 |
st->codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE &&
st->codecpar->codec_type != AVMEDIA_TYPE_DATA && |
55f9037f |
st->cur_dts >= pkt->dts) || st->cur_dts > pkt->dts)) {
av_log(s, AV_LOG_ERROR, |
513042c9 |
"Application provided invalid, non monotonically increasing dts to muxer in stream %d: %s >= %s\n",
st->index, av_ts2str(st->cur_dts), av_ts2str(pkt->dts)); |
55f9037f |
return AVERROR(EINVAL);
}
if (pkt->dts != AV_NOPTS_VALUE && pkt->pts != AV_NOPTS_VALUE && pkt->pts < pkt->dts) { |
eb4f9069 |
av_log(s, AV_LOG_ERROR, |
fc6aa304 |
"pts (%s) < dts (%s) in stream %d\n",
av_ts2str(pkt->pts), av_ts2str(pkt->dts), |
eb4f9069 |
st->index); |
55f9037f |
return AVERROR(EINVAL);
}
|
d4cf3779 |
if (s->debug & FF_FDEBUG_TS)
av_log(s, AV_LOG_TRACE, "av_write_frame: pts2:%s dts2:%s\n", |
513042c9 |
av_ts2str(pkt->pts), av_ts2str(pkt->dts)); |
d4cf3779 |
|
55f9037f |
st->cur_dts = pkt->dts; |
b4d68e7c |
st->priv_pts->val = pkt->dts; |
55f9037f |
/* update pts */ |
3af1aba2 |
switch (st->codecpar->codec_type) { |
55f9037f |
case AVMEDIA_TYPE_AUDIO: |
1b05ac22 |
frame_size = (pkt->flags & AV_PKT_FLAG_UNCODED_FRAME) ?
((AVFrame *)pkt->data)->nb_samples : |
d92550d1 |
av_get_audio_frame_duration(st->codec, pkt->size); |
55f9037f |
/* HACK/FIXME, we skip the initial 0 size packets as they are most
* likely equal to the encoder delay, but it would be better if we
* had the real timestamps from the encoder */ |
b4d68e7c |
if (frame_size >= 0 && (pkt->size || st->priv_pts->num != st->priv_pts->den >> 1 || st->priv_pts->val)) {
frac_add(st->priv_pts, (int64_t)st->time_base.den * frame_size); |
55f9037f |
}
break;
case AVMEDIA_TYPE_VIDEO: |
6f69f7a8 |
frac_add(st->priv_pts, (int64_t)st->time_base.den * st->time_base.num); |
55f9037f |
break;
}
return 0;
} |
9200514a |
FF_ENABLE_DEPRECATION_WARNINGS |
8de1ee9f |
#endif |
55f9037f |
|
0072116c |
/** |
c4bf7402 |
* Make timestamps non negative, move side data from payload to internal struct, call muxer, and restore
* sidedata.
* |
c2cb01d4 |
* FIXME: this function should NEVER get undefined pts/dts beside when the
* AVFMT_NOTIMESTAMPS is set.
* Those additional safety checks should be dropped once the correct checks
* are set in the callers. |
0072116c |
*/ |
c2cb01d4 |
static int write_packet(AVFormatContext *s, AVPacket *pkt) |
0072116c |
{ |
6005c7e6 |
int ret, did_split; |
2fc9a3eb |
int64_t pts_backup, dts_backup;
pts_backup = pkt->pts;
dts_backup = pkt->dts; |
c4bf7402 |
|
785c2544 |
// If the timestamp offsetting below is adjusted, adjust
// ff_interleaved_peek similarly. |
5871ee50 |
if (s->output_ts_offset) {
AVStream *st = s->streams[pkt->stream_index];
int64_t offset = av_rescale_q(s->output_ts_offset, AV_TIME_BASE_Q, st->time_base);
if (pkt->dts != AV_NOPTS_VALUE)
pkt->dts += offset;
if (pkt->pts != AV_NOPTS_VALUE)
pkt->pts += offset;
}
|
c4bf7402 |
if (s->avoid_negative_ts > 0) {
AVStream *st = s->streams[pkt->stream_index]; |
c329195a |
int64_t offset = st->mux_ts_offset; |
7ac5c38e |
int64_t ts = s->internal->avoid_negative_ts_use_pts ? pkt->pts : pkt->dts; |
060f14f4 |
|
7ac5c38e |
if (s->internal->offset == AV_NOPTS_VALUE && ts != AV_NOPTS_VALUE &&
(ts < 0 || s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)) {
s->internal->offset = -ts; |
29245147 |
s->internal->offset_timebase = st->time_base; |
c4bf7402 |
} |
060f14f4 |
|
29245147 |
if (s->internal->offset != AV_NOPTS_VALUE && !offset) { |
c329195a |
offset = st->mux_ts_offset = |
29245147 |
av_rescale_q_rnd(s->internal->offset,
s->internal->offset_timebase, |
060f14f4 |
st->time_base,
AV_ROUND_UP);
}
if (pkt->dts != AV_NOPTS_VALUE) |
c329195a |
pkt->dts += offset; |
c4bf7402 |
if (pkt->pts != AV_NOPTS_VALUE) |
c329195a |
pkt->pts += offset; |
647f306b |
|
7ac5c38e |
if (s->internal->avoid_negative_ts_use_pts) {
if (pkt->pts != AV_NOPTS_VALUE && pkt->pts < 0) {
av_log(s, AV_LOG_WARNING, "failed to avoid negative "
"pts %s in stream %d.\n"
"Try -avoid_negative_ts 1 as a possible workaround.\n", |
1a363546 |
av_ts2str(pkt->pts), |
7ac5c38e |
pkt->stream_index
);
}
} else {
av_assert2(pkt->dts == AV_NOPTS_VALUE || pkt->dts >= 0 || s->max_interleave_delta > 0);
if (pkt->dts != AV_NOPTS_VALUE && pkt->dts < 0) {
av_log(s, AV_LOG_WARNING,
"Packets poorly interleaved, failed to avoid negative "
"timestamp %s in stream %d.\n"
"Try -max_interleave_delta 0 as a possible workaround.\n",
av_ts2str(pkt->dts),
pkt->stream_index
);
} |
ec6a5fc6 |
} |
c4bf7402 |
}
|
d682ae70 |
#if FF_API_LAVF_MERGE_SD
FF_DISABLE_DEPRECATION_WARNINGS |
6005c7e6 |
did_split = av_packet_split_side_data(pkt); |
d682ae70 |
FF_ENABLE_DEPRECATION_WARNINGS
#endif |
6005c7e6 |
|
9da27fb5 |
if (!s->internal->header_written) { |
517fe644 |
ret = s->internal->write_header_ret ? s->internal->write_header_ret : write_header_internal(s); |
1f9139b0 |
if (ret < 0)
goto fail;
}
|
1b05ac22 |
if ((pkt->flags & AV_PKT_FLAG_UNCODED_FRAME)) {
AVFrame *frame = (AVFrame *)pkt->data;
av_assert0(pkt->size == UNCODED_FRAME_PACKET_SIZE);
ret = s->oformat->write_uncoded_frame(s, pkt->stream_index, &frame, 0);
av_frame_free(&frame);
} else {
ret = s->oformat->write_packet(s, pkt);
} |
596e5d47 |
|
9ad1e0c1 |
if (s->pb && ret >= 0) { |
eeeb595c |
flush_if_needed(s); |
9ad1e0c1 |
if (s->pb->error < 0)
ret = s->pb->error;
} |
596e5d47 |
|
1f9139b0 |
fail: |
d682ae70 |
#if FF_API_LAVF_MERGE_SD
FF_DISABLE_DEPRECATION_WARNINGS |
6005c7e6 |
if (did_split)
av_packet_merge_side_data(pkt); |
d682ae70 |
FF_ENABLE_DEPRECATION_WARNINGS
#endif |
6005c7e6 |
|
2fc9a3eb |
if (ret < 0) {
pkt->pts = pts_backup;
pkt->dts = dts_backup;
}
|
0072116c |
return ret;
}
|
7b03b65b |
static int check_packet(AVFormatContext *s, AVPacket *pkt)
{
if (!pkt)
return 0;
if (pkt->stream_index < 0 || pkt->stream_index >= s->nb_streams) {
av_log(s, AV_LOG_ERROR, "Invalid packet stream index: %d\n",
pkt->stream_index);
return AVERROR(EINVAL);
}
|
9200514a |
if (s->streams[pkt->stream_index]->codecpar->codec_type == AVMEDIA_TYPE_ATTACHMENT) { |
7b03b65b |
av_log(s, AV_LOG_ERROR, "Received a packet for an attachment stream.\n");
return AVERROR(EINVAL);
}
return 0;
}
|
8de1ee9f |
static int prepare_input_packet(AVFormatContext *s, AVPacket *pkt) |
55f9037f |
{
int ret;
|
7b03b65b |
ret = check_packet(s, pkt);
if (ret < 0)
return ret;
|
cdcfa97d |
#if !FF_API_COMPUTE_PKT_FIELDS2 || !FF_API_LAVF_AVCTX |
8de1ee9f |
/* sanitize the timestamps */
if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
AVStream *st = s->streams[pkt->stream_index];
/* when there is no reordering (so dts is equal to pts), but
* only one of them is set, set the other as well */
if (!st->internal->reorder) {
if (pkt->pts == AV_NOPTS_VALUE && pkt->dts != AV_NOPTS_VALUE)
pkt->pts = pkt->dts;
if (pkt->dts == AV_NOPTS_VALUE && pkt->pts != AV_NOPTS_VALUE)
pkt->dts = pkt->pts;
}
/* check that the timestamps are set */
if (pkt->pts == AV_NOPTS_VALUE || pkt->dts == AV_NOPTS_VALUE) {
av_log(s, AV_LOG_ERROR,
"Timestamps are unset in a packet for stream %d\n", st->index);
return AVERROR(EINVAL);
}
/* check that the dts are increasing (or at least non-decreasing,
* if the format allows it */
if (st->cur_dts != AV_NOPTS_VALUE &&
((!(s->oformat->flags & AVFMT_TS_NONSTRICT) && st->cur_dts >= pkt->dts) ||
st->cur_dts > pkt->dts)) {
av_log(s, AV_LOG_ERROR,
"Application provided invalid, non monotonically increasing "
"dts to muxer in stream %d: %" PRId64 " >= %" PRId64 "\n",
st->index, st->cur_dts, pkt->dts);
return AVERROR(EINVAL);
}
if (pkt->pts < pkt->dts) {
av_log(s, AV_LOG_ERROR, "pts %" PRId64 " < dts %" PRId64 " in stream %d\n",
pkt->pts, pkt->dts, st->index);
return AVERROR(EINVAL);
}
}
#endif
return 0;
}
|
de9674c5 |
static int do_packet_auto_bsf(AVFormatContext *s, AVPacket *pkt) {
AVStream *st = s->streams[pkt->stream_index];
int i, ret;
|
1f6d7eb4 |
if (!(s->flags & AVFMT_FLAG_AUTO_BSF))
return 1;
|
de9674c5 |
if (s->oformat->check_bitstream) {
if (!st->internal->bitstream_checked) {
if ((ret = s->oformat->check_bitstream(s, pkt)) < 0)
return ret;
else if (ret == 1)
st->internal->bitstream_checked = 1;
}
}
|
d682ae70 |
#if FF_API_LAVF_MERGE_SD
FF_DISABLE_DEPRECATION_WARNINGS |
8779ec91 |
if (st->internal->nb_bsfcs) {
ret = av_packet_split_side_data(pkt);
if (ret < 0)
av_log(s, AV_LOG_WARNING, "Failed to split side data before bitstream filter\n");
} |
d682ae70 |
FF_ENABLE_DEPRECATION_WARNINGS
#endif |
9e588125 |
|
de9674c5 |
for (i = 0; i < st->internal->nb_bsfcs; i++) {
AVBSFContext *ctx = st->internal->bsfcs[i];
// TODO: when any bitstream filter requires flushing at EOF, we'll need to
// flush each stream's BSF chain on write_trailer.
if ((ret = av_bsf_send_packet(ctx, pkt)) < 0) {
av_log(ctx, AV_LOG_ERROR, |
db23fde7 |
"Failed to send packet to filter %s for stream %d\n", |
de9674c5 |
ctx->filter->name, pkt->stream_index);
return ret;
}
// TODO: when any automatically-added bitstream filter is generating multiple
// output packets for a single input one, we'll need to call this in a loop
// and write each output packet.
if ((ret = av_bsf_receive_packet(ctx, pkt)) < 0) {
if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
return 0;
av_log(ctx, AV_LOG_ERROR, |
db23fde7 |
"Failed to send packet to filter %s for stream %d\n", |
de9674c5 |
ctx->filter->name, pkt->stream_index);
return ret;
}
}
return 1;
}
|
8de1ee9f |
int av_write_frame(AVFormatContext *s, AVPacket *pkt)
{ |
6005c7e6 |
int ret; |
8de1ee9f |
ret = prepare_input_packet(s, pkt);
if (ret < 0)
return ret;
|
55f9037f |
if (!pkt) { |
513042c9 |
if (s->oformat->flags & AVFMT_ALLOW_FLUSH) { |
e07b8d68 |
if (!s->internal->header_written) {
ret = s->internal->write_header_ret ? s->internal->write_header_ret : write_header_internal(s);
if (ret < 0)
return ret;
} |
0072116c |
ret = s->oformat->write_packet(s, NULL); |
eeeb595c |
flush_if_needed(s); |
513042c9 |
if (ret >= 0 && s->pb && s->pb->error < 0)
ret = s->pb->error;
return ret;
} |
55f9037f |
return 1; |
6005c7e6 |
} |
55f9037f |
|
a2c90d5f |
ret = do_packet_auto_bsf(s, pkt);
if (ret <= 0)
return ret;
|
11de006b |
#if FF_API_COMPUTE_PKT_FIELDS2 && FF_API_LAVF_AVCTX |
0106a20a |
ret = compute_muxer_pkt_fields(s, s->streams[pkt->stream_index], pkt); |
55f9037f |
if (ret < 0 && !(s->oformat->flags & AVFMT_NOTIMESTAMPS))
return ret; |
8de1ee9f |
#endif |
55f9037f |
|
c2cb01d4 |
ret = write_packet(s, pkt); |
513042c9 |
if (ret >= 0 && s->pb && s->pb->error < 0)
ret = s->pb->error; |
55f9037f |
if (ret >= 0)
s->streams[pkt->stream_index]->nb_frames++;
return ret;
}
|
513042c9 |
#define CHUNK_START 0x1000
int ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt, |
324ff594 |
int (*compare)(AVFormatContext *, AVPacket *, AVPacket *)) |
55f9037f |
{ |
324ff594 |
int ret; |
55f9037f |
AVPacketList **next_point, *this_pktl; |
513042c9 |
AVStream *st = s->streams[pkt->stream_index];
int chunked = s->max_chunk_size || s->max_chunk_duration; |
55f9037f |
this_pktl = av_mallocz(sizeof(AVPacketList)); |
513042c9 |
if (!this_pktl)
return AVERROR(ENOMEM); |
1b05ac22 |
if ((pkt->flags & AV_PKT_FLAG_UNCODED_FRAME)) {
av_assert0(pkt->size == UNCODED_FRAME_PACKET_SIZE);
av_assert0(((AVFrame *)pkt->data)->buf); |
b66ac803 |
this_pktl->pkt = *pkt;
pkt->buf = NULL;
pkt->side_data = NULL;
pkt->side_data_elems = 0;
} else {
if ((ret = av_packet_ref(&this_pktl->pkt, pkt)) < 0) {
av_free(this_pktl);
return ret;
} |
1b05ac22 |
} |
55f9037f |
if (s->streams[pkt->stream_index]->last_in_packet_buffer) { |
513042c9 |
next_point = &(st->last_in_packet_buffer->next);
} else { |
9deaec78 |
next_point = &s->internal->packet_buffer; |
513042c9 |
} |
55f9037f |
|
1191db31 |
if (chunked) {
uint64_t max= av_rescale_q_rnd(s->max_chunk_duration, AV_TIME_BASE_Q, st->time_base, AV_ROUND_UP); |
c57c1329 |
st->interleaver_chunk_size += pkt->size;
st->interleaver_chunk_duration += pkt->duration; |
69a96f9d |
if ( (s->max_chunk_size && st->interleaver_chunk_size > s->max_chunk_size)
|| (max && st->interleaver_chunk_duration > max)) { |
46730e7a |
st->interleaver_chunk_size = 0; |
1191db31 |
this_pktl->pkt.flags |= CHUNK_START; |
46730e7a |
if (max && st->interleaver_chunk_duration > max) { |
6f69f7a8 |
int64_t syncoffset = (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)*max/2; |
46730e7a |
int64_t syncto = av_rescale(pkt->dts + syncoffset, 1, max)*max - syncoffset;
st->interleaver_chunk_duration += (pkt->dts - syncto)/8 - max;
} else
st->interleaver_chunk_duration = 0; |
513042c9 |
} |
1191db31 |
}
if (*next_point) {
if (chunked && !(this_pktl->pkt.flags & CHUNK_START))
goto next_non_null; |
513042c9 |
|
9deaec78 |
if (compare(s, &s->internal->packet_buffer_end->pkt, pkt)) { |
513042c9 |
while ( *next_point
&& ((chunked && !((*next_point)->pkt.flags&CHUNK_START))
|| !compare(s, &(*next_point)->pkt, pkt))) |
55f9037f |
next_point = &(*next_point)->next; |
513042c9 |
if (*next_point)
goto next_non_null; |
55f9037f |
} else { |
9deaec78 |
next_point = &(s->internal->packet_buffer_end->next); |
55f9037f |
}
} |
f2a7e1a6 |
av_assert1(!*next_point); |
55f9037f |
|
9deaec78 |
s->internal->packet_buffer_end = this_pktl; |
55f9037f |
next_non_null:
this_pktl->next = *next_point;
s->streams[pkt->stream_index]->last_in_packet_buffer =
*next_point = this_pktl; |
324ff594 |
|
9b56d5c1 |
av_packet_unref(pkt);
|
513042c9 |
return 0; |
55f9037f |
}
|
e926b5ce |
static int interleave_compare_dts(AVFormatContext *s, AVPacket *next,
AVPacket *pkt) |
55f9037f |
{
AVStream *st = s->streams[pkt->stream_index];
AVStream *st2 = s->streams[next->stream_index];
int comp = av_compare_ts(next->dts, st2->time_base, pkt->dts,
st->time_base); |
6f69f7a8 |
if (s->audio_preload && ((st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) != (st2->codecpar->codec_type == AVMEDIA_TYPE_AUDIO))) {
int64_t ts = av_rescale_q(pkt ->dts, st ->time_base, AV_TIME_BASE_Q) - s->audio_preload*(st ->codecpar->codec_type == AVMEDIA_TYPE_AUDIO);
int64_t ts2= av_rescale_q(next->dts, st2->time_base, AV_TIME_BASE_Q) - s->audio_preload*(st2->codecpar->codec_type == AVMEDIA_TYPE_AUDIO); |
513042c9 |
if (ts == ts2) { |
6f69f7a8 |
ts= ( pkt ->dts* st->time_base.num*AV_TIME_BASE - s->audio_preload*(int64_t)(st ->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)* st->time_base.den)*st2->time_base.den
-( next->dts*st2->time_base.num*AV_TIME_BASE - s->audio_preload*(int64_t)(st2->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)*st2->time_base.den)* st->time_base.den; |
513042c9 |
ts2=0;
}
comp= (ts>ts2) - (ts<ts2);
} |
55f9037f |
if (comp == 0)
return pkt->stream_index < next->stream_index;
return comp > 0;
}
int ff_interleave_packet_per_dts(AVFormatContext *s, AVPacket *out,
AVPacket *pkt, int flush)
{
AVPacketList *pktl;
int stream_count = 0; |
e5cb7795 |
int noninterleaved_count = 0; |
513042c9 |
int i, ret; |
cb114ed4 |
int eof = flush; |
55f9037f |
if (pkt) { |
324ff594 |
if ((ret = ff_interleave_add_packet(s, pkt, interleave_compare_dts)) < 0) |
513042c9 |
return ret; |
55f9037f |
}
|
513042c9 |
for (i = 0; i < s->nb_streams; i++) {
if (s->streams[i]->last_in_packet_buffer) {
++stream_count; |
6f69f7a8 |
} else if (s->streams[i]->codecpar->codec_type != AVMEDIA_TYPE_ATTACHMENT &&
s->streams[i]->codecpar->codec_id != AV_CODEC_ID_VP8 &&
s->streams[i]->codecpar->codec_id != AV_CODEC_ID_VP9) { |
513042c9 |
++noninterleaved_count;
}
} |
55f9037f |
|
3adb5f8d |
if (s->internal->nb_interleaved_streams == stream_count) |
513042c9 |
flush = 1; |
3adb5f8d |
|
a06fac35 |
if (s->max_interleave_delta > 0 && |
29245147 |
s->internal->packet_buffer && |
a06fac35 |
!flush &&
s->internal->nb_interleaved_streams == stream_count+noninterleaved_count
) { |
9deaec78 |
AVPacket *top_pkt = &s->internal->packet_buffer->pkt; |
d9ae1031 |
int64_t delta_dts = INT64_MIN;
int64_t top_dts = av_rescale_q(top_pkt->dts,
s->streams[top_pkt->stream_index]->time_base,
AV_TIME_BASE_Q);
for (i = 0; i < s->nb_streams; i++) {
int64_t last_dts;
const AVPacketList *last = s->streams[i]->last_in_packet_buffer;
if (!last)
continue;
last_dts = av_rescale_q(last->pkt.dts,
s->streams[i]->time_base,
AV_TIME_BASE_Q);
delta_dts = FFMAX(delta_dts, last_dts - top_dts); |
513042c9 |
} |
d9ae1031 |
if (delta_dts > s->max_interleave_delta) {
av_log(s, AV_LOG_DEBUG,
"Delay between the first packet and last packet in the "
"muxing queue is %"PRId64" > %"PRId64": forcing output\n",
delta_dts, s->max_interleave_delta); |
513042c9 |
flush = 1;
}
} |
d9ae1031 |
|
cb114ed4 |
if (s->internal->packet_buffer &&
eof &&
(s->flags & AVFMT_FLAG_SHORTEST) &&
s->internal->shortest_end == AV_NOPTS_VALUE) {
AVPacket *top_pkt = &s->internal->packet_buffer->pkt;
s->internal->shortest_end = av_rescale_q(top_pkt->dts,
s->streams[top_pkt->stream_index]->time_base,
AV_TIME_BASE_Q);
}
if (s->internal->shortest_end != AV_NOPTS_VALUE) {
while (s->internal->packet_buffer) {
AVPacket *top_pkt = &s->internal->packet_buffer->pkt;
AVStream *st;
int64_t top_dts = av_rescale_q(top_pkt->dts,
s->streams[top_pkt->stream_index]->time_base,
AV_TIME_BASE_Q);
if (s->internal->shortest_end + 1 >= top_dts)
break;
pktl = s->internal->packet_buffer;
st = s->streams[pktl->pkt.stream_index];
s->internal->packet_buffer = pktl->next;
if (!s->internal->packet_buffer)
s->internal->packet_buffer_end = NULL;
if (st->last_in_packet_buffer == pktl)
st->last_in_packet_buffer = NULL;
av_packet_unref(&pktl->pkt);
av_freep(&pktl);
flush = 0;
}
}
|
513042c9 |
if (stream_count && flush) {
AVStream *st; |
9deaec78 |
pktl = s->internal->packet_buffer; |
55f9037f |
*out = pktl->pkt; |
513042c9 |
st = s->streams[out->stream_index]; |
55f9037f |
|
9deaec78 |
s->internal->packet_buffer = pktl->next;
if (!s->internal->packet_buffer)
s->internal->packet_buffer_end = NULL; |
55f9037f |
|
513042c9 |
if (st->last_in_packet_buffer == pktl)
st->last_in_packet_buffer = NULL; |
55f9037f |
av_freep(&pktl); |
513042c9 |
|
55f9037f |
return 1;
} else {
av_init_packet(out);
return 0;
}
}
|
785c2544 |
int ff_interleaved_peek(AVFormatContext *s, int stream,
AVPacket *pkt, int add_offset) |
e1eb0fc9 |
{
AVPacketList *pktl = s->internal->packet_buffer;
while (pktl) { |
46a60fe1 |
if (pktl->pkt.stream_index == stream) { |
785c2544 |
*pkt = pktl->pkt; |
8fad4b4e |
if (add_offset) {
AVStream *st = s->streams[pkt->stream_index];
int64_t offset = st->mux_ts_offset;
if (s->output_ts_offset)
offset += av_rescale_q(s->output_ts_offset, AV_TIME_BASE_Q, st->time_base);
|
785c2544 |
if (pkt->dts != AV_NOPTS_VALUE)
pkt->dts += offset;
if (pkt->pts != AV_NOPTS_VALUE)
pkt->pts += offset;
}
return 0; |
46a60fe1 |
} |
e1eb0fc9 |
pktl = pktl->next;
} |
785c2544 |
return AVERROR(ENOENT); |
e1eb0fc9 |
}
|
55f9037f |
/**
* Interleave an AVPacket correctly so it can be muxed.
* @param out the interleaved packet will be output here
* @param in the input packet
* @param flush 1 if no further packets are available as input and all
* remaining packets should be output
* @return 1 if a packet was output, 0 if no packet could be output,
* < 0 if an error occurred
*/
static int interleave_packet(AVFormatContext *s, AVPacket *out, AVPacket *in, int flush)
{
if (s->oformat->interleave_packet) {
int ret = s->oformat->interleave_packet(s, out, in, flush);
if (in) |
ce70f28a |
av_packet_unref(in); |
55f9037f |
return ret;
} else
return ff_interleave_packet_per_dts(s, out, in, flush);
}
int av_interleaved_write_frame(AVFormatContext *s, AVPacket *pkt)
{ |
6005c7e6 |
int ret, flush = 0; |
55f9037f |
|
8de1ee9f |
ret = prepare_input_packet(s, pkt); |
7b03b65b |
if (ret < 0) |
394fb56c |
goto fail; |
7b03b65b |
|
55f9037f |
if (pkt) {
AVStream *st = s->streams[pkt->stream_index];
|
de9674c5 |
ret = do_packet_auto_bsf(s, pkt);
if (ret == 0)
return 0;
else if (ret < 0)
goto fail; |
6d8ab358 |
|
d4cf3779 |
if (s->debug & FF_FDEBUG_TS)
av_log(s, AV_LOG_TRACE, "av_interleaved_write_frame size:%d dts:%s pts:%s\n", |
513042c9 |
pkt->size, av_ts2str(pkt->dts), av_ts2str(pkt->pts)); |
d4cf3779 |
|
a444a505 |
#if FF_API_COMPUTE_PKT_FIELDS2 && FF_API_LAVF_AVCTX |
0106a20a |
if ((ret = compute_muxer_pkt_fields(s, st, pkt)) < 0 && !(s->oformat->flags & AVFMT_NOTIMESTAMPS)) |
394fb56c |
goto fail; |
8de1ee9f |
#endif |
55f9037f |
|
394fb56c |
if (pkt->dts == AV_NOPTS_VALUE && !(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
ret = AVERROR(EINVAL);
goto fail;
} |
55f9037f |
} else { |
1a3eb042 |
av_log(s, AV_LOG_TRACE, "av_interleaved_write_frame FLUSH\n"); |
55f9037f |
flush = 1;
}
for (;; ) {
AVPacket opkt;
int ret = interleave_packet(s, &opkt, pkt, flush); |
394fb56c |
if (pkt) {
memset(pkt, 0, sizeof(*pkt));
av_init_packet(pkt);
pkt = NULL;
} |
55f9037f |
if (ret <= 0) //FIXME cleanup needed for ret<0 ?
return ret;
|
c2cb01d4 |
ret = write_packet(s, &opkt); |
55f9037f |
if (ret >= 0)
s->streams[opkt.stream_index]->nb_frames++;
|
ce70f28a |
av_packet_unref(&opkt); |
55f9037f |
if (ret < 0)
return ret; |
513042c9 |
if(s->pb && s->pb->error)
return s->pb->error; |
55f9037f |
} |
394fb56c |
fail:
av_packet_unref(pkt);
return ret; |
55f9037f |
}
int av_write_trailer(AVFormatContext *s)
{
int ret, i;
for (;; ) {
AVPacket pkt;
ret = interleave_packet(s, &pkt, NULL, 1); |
25ccf5df |
if (ret < 0) |
55f9037f |
goto fail;
if (!ret)
break;
|
c2cb01d4 |
ret = write_packet(s, &pkt); |
55f9037f |
if (ret >= 0)
s->streams[pkt.stream_index]->nb_frames++;
|
ce70f28a |
av_packet_unref(&pkt); |
55f9037f |
if (ret < 0)
goto fail; |
513042c9 |
if(s->pb && s->pb->error)
goto fail; |
55f9037f |
}
|
9da27fb5 |
if (!s->internal->header_written) { |
517fe644 |
ret = s->internal->write_header_ret ? s->internal->write_header_ret : write_header_internal(s); |
1f9139b0 |
if (ret < 0)
goto fail;
}
|
25ccf5df |
fail: |
5d75e466 |
if (s->internal->header_written && s->oformat->write_trailer) {
if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER); |
25ccf5df |
if (ret >= 0) { |
55f9037f |
ret = s->oformat->write_trailer(s); |
25ccf5df |
} else {
s->oformat->write_trailer(s);
} |
5d75e466 |
} |
55f9037f |
|
1f9139b0 |
if (s->oformat->deinit)
s->oformat->deinit(s);
|
a246fef1 |
s->internal->header_written =
s->internal->initialized =
s->internal->streams_initialized = 0;
|
513042c9 |
if (s->pb)
avio_flush(s->pb);
if (ret == 0)
ret = s->pb ? s->pb->error : 0; |
55f9037f |
for (i = 0; i < s->nb_streams; i++) {
av_freep(&s->streams[i]->priv_data);
av_freep(&s->streams[i]->index_entries);
}
if (s->oformat->priv_class)
av_opt_free(s->priv_data);
av_freep(&s->priv_data);
return ret;
} |
513042c9 |
int av_get_output_timestamp(struct AVFormatContext *s, int stream,
int64_t *dts, int64_t *wall)
{
if (!s->oformat || !s->oformat->get_output_timestamp)
return AVERROR(ENOSYS);
s->oformat->get_output_timestamp(s, stream, dts, wall);
return 0; |
6cbbf4a2 |
} |
8097307b |
|
12db891d |
int ff_write_chained(AVFormatContext *dst, int dst_stream, AVPacket *pkt, |
351b22ca |
AVFormatContext *src, int interleave) |
12db891d |
{
AVPacket local_pkt; |
383a04a1 |
int ret; |
12db891d |
local_pkt = *pkt;
local_pkt.stream_index = dst_stream;
if (pkt->pts != AV_NOPTS_VALUE)
local_pkt.pts = av_rescale_q(pkt->pts,
src->streams[pkt->stream_index]->time_base,
dst->streams[dst_stream]->time_base);
if (pkt->dts != AV_NOPTS_VALUE)
local_pkt.dts = av_rescale_q(pkt->dts,
src->streams[pkt->stream_index]->time_base,
dst->streams[dst_stream]->time_base); |
8097307b |
if (pkt->duration)
local_pkt.duration = av_rescale_q(pkt->duration,
src->streams[pkt->stream_index]->time_base,
dst->streams[dst_stream]->time_base); |
383a04a1 |
|
351b22ca |
if (interleave) ret = av_interleaved_write_frame(dst, &local_pkt);
else ret = av_write_frame(dst, &local_pkt); |
383a04a1 |
pkt->buf = local_pkt.buf; |
db91e0ed |
pkt->side_data = local_pkt.side_data;
pkt->side_data_elems = local_pkt.side_data_elems; |
383a04a1 |
return ret; |
12db891d |
} |
1b05ac22 |
static int av_write_uncoded_frame_internal(AVFormatContext *s, int stream_index,
AVFrame *frame, int interleaved)
{
AVPacket pkt, *pktp;
av_assert0(s->oformat);
if (!s->oformat->write_uncoded_frame)
return AVERROR(ENOSYS);
if (!frame) {
pktp = NULL;
} else {
pktp = &pkt;
av_init_packet(&pkt);
pkt.data = (void *)frame;
pkt.size = UNCODED_FRAME_PACKET_SIZE;
pkt.pts =
pkt.dts = frame->pts; |
9f030ee0 |
pkt.duration = frame->pkt_duration; |
1b05ac22 |
pkt.stream_index = stream_index;
pkt.flags |= AV_PKT_FLAG_UNCODED_FRAME;
}
return interleaved ? av_interleaved_write_frame(s, pktp) :
av_write_frame(s, pktp);
}
int av_write_uncoded_frame(AVFormatContext *s, int stream_index,
AVFrame *frame)
{
return av_write_uncoded_frame_internal(s, stream_index, frame, 0);
}
int av_interleaved_write_uncoded_frame(AVFormatContext *s, int stream_index,
AVFrame *frame)
{
return av_write_uncoded_frame_internal(s, stream_index, frame, 1);
}
int av_write_uncoded_frame_query(AVFormatContext *s, int stream_index)
{
av_assert0(s->oformat);
if (!s->oformat->write_uncoded_frame)
return AVERROR(ENOSYS);
return s->oformat->write_uncoded_frame(s, stream_index, NULL,
AV_WRITE_UNCODED_FRAME_QUERY);
} |