From d6b81ff949af13969ac2ae4cdf5852a6d09c267f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tomas=20H=C3=A4rdin?= Date: Thu, 26 Jan 2012 14:12:50 +0100 Subject: [PATCH] mxfdec: Sanity-check SampleRate This avoids a SIGFPE if SampleRate is missing or set to naughty values. Signed-off-by: Diego Biurrun --- libavformat/mxfdec.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c index 9a89469fd7..50c40c9182 100644 --- a/libavformat/mxfdec.c +++ b/libavformat/mxfdec.c @@ -1431,7 +1431,10 @@ 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; - st->codec->sample_rate = descriptor->sample_rate.num / descriptor->sample_rate.den; + + 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) { if (descriptor->bits_per_sample > 16 && descriptor->bits_per_sample <= 24)