This prevents a SIGFPE later on.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: [email protected]
---
libavformat/xwma.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/libavformat/xwma.c b/libavformat/xwma.c
index 2c6ee11..7b34b96 100644
--- a/libavformat/xwma.c
+++ b/libavformat/xwma.c
@@ -115,6 +115,17 @@ static int xwma_read_header(AVFormatContext *s)
}
}
+ if (!st->codec->channels) {
+ av_log(s, AV_LOG_WARNING, "Invalid channel count: %d\n",
+ st->codec->channels);
+ return AVERROR_INVALIDDATA;
+ }
+ if (!st->codec->bits_per_coded_sample) {
+ av_log(s, AV_LOG_WARNING, "Invalid bits_per_coded_sample: %d\n",
+ st->codec->bits_per_coded_sample);
+ return AVERROR_INVALIDDATA;
+ }
+
/* set the sample rate */
avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
--
1.7.7.3
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