---
libavformat/aiffdec.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/libavformat/aiffdec.c b/libavformat/aiffdec.c
index 11bbcac..bbac1ab 100644
--- a/libavformat/aiffdec.c
+++ b/libavformat/aiffdec.c
@@ -157,8 +157,10 @@ static unsigned int get_aiff_header(AVFormatContext *s,
int size,
if (!codec->block_align)
codec->block_align = (codec->bits_per_coded_sample * codec->channels)
>> 3;
- codec->bit_rate = codec->sample_rate * (codec->block_align << 3) /
- aiff->block_duration;
+ if (aiff->block_duration) {
+ codec->bit_rate = codec->sample_rate * (codec->block_align << 3) /
+ aiff->block_duration;
+ }
/* Chunk is over */
if (size)
--
1.7.1
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