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avconv: Move rescale to stream timebase before monotonisation 

If the stream timebase is coarser than the muxing timebase then the
monotonisation process may fail because adding one to the timestamp
need not actually produce a different timestamp after the rescale.
This commit is contained in:
Mark Thompson 2017-02-12 23:47:58 +00:00
parent 030de53e9c
commit 82989bd98c
1 changed files with 3 additions and 2 deletions
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5
avconv.c
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@ -326,6 +326,8 @@ static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost)
}
}
av_packet_rescale_ts(pkt, ost->mux_timebase, ost->st->time_base);
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)) {
@ -349,7 +351,6 @@ static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost)
ost->packets_written++;
pkt->stream_index = ost->index;
av_packet_rescale_ts(pkt, ost->mux_timebase, ost->st->time_base);
ret = av_interleaved_write_frame(s, pkt);
if (ret < 0) {
@ -1006,7 +1007,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
vid = 1;
}
/* compute min output value */
pts = (double)ost->last_mux_dts * av_q2d(ost->mux_timebase);
pts = (double)ost->last_mux_dts * av_q2d(ost->st->time_base);
if ((pts < ti1) && (pts > 0))
ti1 = pts;
}