From: Michael Niedermayer <[email protected]>
For RTP hinting, the source AVStream should be left untouched,
since it corresponds to its own track in the MP4 file. The chained
RTP muxer only has got a corresponding MP4 file track, with
a separate time base.
---
libavformat/movenchint.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libavformat/movenchint.c b/libavformat/movenchint.c
index a8f5f34..496b8c0 100644
--- a/libavformat/movenchint.c
+++ b/libavformat/movenchint.c
@@ -33,6 +33,7 @@ int ff_mov_init_hinting(AVFormatContext *s, int index, int
src_index)
MOVTrack *src_track = &mov->tracks[src_index];
AVStream *src_st = s->streams[src_index];
int ret = AVERROR(ENOMEM);
+ AVRational src_timebase = src_st->time_base;
track->tag = MKTAG('r','t','p',' ');
track->src_track = src_index;
@@ -48,6 +49,11 @@ int ff_mov_init_hinting(AVFormatContext *s, int index, int
src_index)
if (ret < 0)
goto fail;
+ // Restore the time base of the source AVStream - it belongs
+ // to a different track and should not be updated here (at least
+ // without updating src_track->timescale as well).
+ src_st->time_base = src_timebase;
+
/* Copy the RTP AVStream timebase back to the hint AVStream */
track->timescale = track->rtp_ctx->streams[0]->time_base.den;
--
1.8.5.2 (Apple Git-48)
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