[FFmpeg-cvslog] movenc: Require samples before trying to write edts

Martin Storsjö git at videolan.org
Sat Nov 8 12:26:22 CET 2014


ffmpeg | branch: master | Martin Storsjö <martin at martin.st> | Mon Nov  3 20:13:36 2014 +0200| [9a5ac36b69ede4563e9ecd734141b12ea3280fbc] | committer: Martin Storsjö

movenc: Require samples before trying to write edts

This avoids a potential crash if writing a fragmented psp mp4
(which probably is only a hypothetical scenario).

Signed-off-by: Martin Storsjö <martin at martin.st>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9a5ac36b69ede4563e9ecd734141b12ea3280fbc
---

 libavformat/movenc.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index bb1dc8a..fa5fdad 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -1771,9 +1771,9 @@ static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
     avio_wb32(pb, 0); /* size */
     ffio_wfourcc(pb, "trak");
     mov_write_tkhd_tag(pb, mov, track, st);
-    if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
-        (track->entry && track->cluster[0].dts) ||
-        is_clcp_track(track)) {
+    if (track->entry &&
+        (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
+        track->cluster[0].dts || is_clcp_track(track))) {
         if (mov->use_editlist)
             mov_write_edts_tag(pb, mov, track);  // PSP Movies require edts box
         else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))



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