Module: libav
Branch: master
Commit: 088eca28164c8cd3b72b0c3d3f9e3fe5ee5cb28f

Author:    Vittorio Giovara <[email protected]>
Committer: Vittorio Giovara <[email protected]>
Date:      Wed Oct 15 17:33:00 2014 +0100

avresample: prevent theoretical division by zero

CC: [email protected]
Bug-Id: CID 1231986

---

 libavresample/utils.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libavresample/utils.c b/libavresample/utils.c
index 5d095c0..8ba8a09 100644
--- a/libavresample/utils.c
+++ b/libavresample/utils.c
@@ -585,9 +585,12 @@ static inline int convert_frame(AVAudioResampleContext 
*avr,
 
 static inline int available_samples(AVFrame *out)
 {
+    int samples;
     int bytes_per_sample = av_get_bytes_per_sample(out->format);
-    int samples = out->linesize[0] / bytes_per_sample;
+    if (!bytes_per_sample)
+        return AVERROR(EINVAL);
 
+    samples = out->linesize[0] / bytes_per_sample;
     if (av_sample_fmt_is_planar(out->format)) {
         return samples;
     } else {

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