When the marker writing code was merged from libav to FFmpeg
in dc62016c, it failed to take into account that the meaning of
cluster_pos had changed in bda5b662; in particular, the special
value for “I'm not currently working on a cluster” had changed
from 0 to -1. This makes the avio_write_marker() call never
be called. Update the if statement to fix it.
Fixes: Ticket9843
Signed-off-by: Steinar H. Gunderson <steinar+ffm...@gunderson.no>
---
libavformat/matroskaenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index e813ef86cf7..1dfcf763e2d 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -3027,7 +3027,7 @@ static int mkv_write_packet(AVFormatContext *s, const
AVPacket *pkt)
}
}
- if (!mkv->cluster_pos)
+ if (mkv->cluster_pos == -1)
avio_write_marker(s->pb,
av_rescale_q(pkt->dts,
s->streams[pkt->stream_index]->time_base, AV_TIME_BASE_Q),
keyframe && (mkv->have_video ? codec_type ==
AVMEDIA_TYPE_VIDEO : 1) ? AVIO_DATA_MARKER_SYNC_POINT :
AVIO_DATA_MARKER_BOUNDARY_POINT);
--
2.39.2
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