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Code Issues Releases Activity

avconv: do not send non-monotonous DTS to the muxers.

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Hack partially based on a commit by Michael Niedermayer <michaelni@gmx.at>
Should fix (or work around) bug 458.
This commit is contained in:
Anton Khirnov 2013-04-24 08:34:44 +02:00
parent b4a5a29227
commit 76d23f4031
3 changed files with 22 additions and 0 deletions
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19
avconv.c
View File

@ -348,6 +348,25 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
bsfc = bsfc->next;
}
if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
ost->last_mux_dts != AV_NOPTS_VALUE &&
pkt->dts < ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT)) {
av_log(NULL, AV_LOG_WARNING, "Non-monotonous DTS in output stream "
"%d:%d; previous: %"PRId64", current: %"PRId64"; ",
ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
if (exit_on_error) {
av_log(NULL, AV_LOG_FATAL, "aborting.\n");
exit(1);
}
av_log(NULL, AV_LOG_WARNING, "changing to %"PRId64". This may result "
"in incorrect timestamps in the output file.\n",
ost->last_mux_dts + 1);
pkt->dts = ost->last_mux_dts + 1;
if (pkt->pts != AV_NOPTS_VALUE)
pkt->pts = FFMAX(pkt->pts, pkt->dts);
}
ost->last_mux_dts = pkt->dts;
pkt->stream_index = ost->index;
ret = av_interleaved_write_frame(s, pkt);
if (ret < 0) {

2
avconv.h
View File

@ -266,6 +266,8 @@ typedef struct OutputStream {
/* pts of the first frame encoded for this stream, used for limiting
* recording time */
int64_t first_pts;
/* dts of the last packet sent to the muxer */
int64_t last_mux_dts;
AVBitStreamFilterContext *bitstream_filters;
AVCodec *enc;
int64_t max_frames;

1
avconv_opt.c
View File

@ -904,6 +904,7 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0);
ost->pix_fmts[0] = ost->pix_fmts[1] = AV_PIX_FMT_NONE;
ost->last_mux_dts = AV_NOPTS_VALUE;
return ost;
}