movenc: fix edit list for the case of negative pts.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
FFmpeg · Oct 1, 2012 · 14fd34d · 14fd34d
1 parent 015b805
commit 14fd34d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
@@ -1672,6 +1672,10 @@ static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
             avio_wb32(pb, -1);
         }
         avio_wb32(pb, 0x00010000);
+    } else {
+        av_assert0(track->cluster[0].dts <= 0);
+        start_ct  = -track->cluster[0].dts;
+        duration += delay;
     }
 
     /* duration */