[FFmpeg-cvslog] mxfdec: Sanity-check SampleRate

[Tomas Härdin]

ffmpeg | branch: master | Tomas Härdin <tomas.hardin at codemill.se> | Tue Dec 20 11:32:23 2011 +0100| [5b718009b2c54a6ade9241fe5ae175e6f069791b] | committer: Tomas Härdin

mxfdec: Sanity-check SampleRate

This avoids a SIGFPE if SampleRate is missing or set to naughty values.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5b718009b2c54a6ade9241fe5ae175e6f069791b
---

 libavformat/mxfdec.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index 75d4b51..b6a63c9 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -1370,6 +1370,7 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
                 st->codec->codec_id = container_ul->id;
             st->codec->channels = descriptor->channels;
             st->codec->bits_per_coded_sample = descriptor->bits_per_sample;
+            if (descriptor->sample_rate.den > 0)
             st->codec->sample_rate = descriptor->sample_rate.num / descriptor->sample_rate.den;
             /* TODO: implement CODEC_ID_RAWAUDIO */
             if (st->codec->codec_id == CODEC_ID_PCM_S16LE) {