[FFmpeg-cvslog] dump_stream_format: fix division by 0

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed Jun 18 19:25:36 2014 +0200| [75511c293add07db1cca58dcd8b08c33fc2f1075] | committer: Michael Niedermayer

dump_stream_format: fix division by 0

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=75511c293add07db1cca58dcd8b08c33fc2f1075
---

 libavformat/dump.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavformat/dump.c b/libavformat/dump.c
index 2eb03b6..a4a8d46 100644
--- a/libavformat/dump.c
+++ b/libavformat/dump.c
@@ -297,6 +297,9 @@ static void dump_stream_format(AVFormatContext *ic, int i,
     int g = av_gcd(st->time_base.num, st->time_base.den);
     AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL, 0);
 
+    if (!g)
+        g = 1;
+
     avcodec_string(buf, sizeof(buf), st->codec, is_output);
     av_log(NULL, AV_LOG_INFO, "    Stream #%d:%d", index, i);