[FFmpeg-devel] [PATCH] matroskadec: check s->streams[k] before using it

Andreas Cadhalpun andreas.cadhalpun at googlemail.com
Sun May 3 23:55:20 CEST 2015


This fixes a segmentation fault.

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
---
 libavformat/matroskadec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 27d184e..31723b3 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -2012,7 +2012,7 @@ static int matroska_parse_tracks(AVFormatContext *s)
                 snprintf(buf, sizeof(buf), "%s_%d",
                          ff_matroska_video_stereo_plane[planes[j].type], i);
                 for (k=0; k < matroska->tracks.nb_elem; k++)
-                    if (planes[j].uid == tracks[k].uid) {
+                    if (planes[j].uid == tracks[k].uid && s->streams[k]) {
                         av_dict_set(&s->streams[k]->metadata,
                                     "stereo_mode", buf, 0);
                         break;
-- 
2.1.4


More information about the ffmpeg-devel mailing list