[FFmpeg-devel] [PATCH] movenc: Ensure no separate moof written for empty track

[Hu Weiwen]

track->mdat_buf can be not NULL while the track is still empty if the
last packet write failed.

Signed-off-by: Hu Weiwen <sehuww at mail.scut.edu.cn>
---
 libavformat/movenc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index bcc202300bb..a460cd9adae 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -5422,7 +5422,7 @@ static int mov_flush_fragment(AVFormatContext *s, int force)
             duration = track->start_dts + track->track_duration -
                        track->cluster[0].dts;
         if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
-            if (!track->mdat_buf)
+            if (!track->entry)
                 continue;
             mdat_size = avio_tell(track->mdat_buf);
             moof_tracks = i;
-- 
2.25.1