[FFmpeg-cvslog] avcodec/pcm: Fix overflow in bitrate computation

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Sat Dec  5 13:13:10 2015 +0100| [2de8bfd2ef06a5cd8293d3054c5f409d828d539c] | committer: Michael Niedermayer

avcodec/pcm: Fix overflow in bitrate computation

Fixes: 129ca3e28d73af7b1e24a9d4118e7a2d/signal_sigabrt_7ffff6ae7cc9_836_762b310fc3ef6087bd7771e5d8e90b9b.asf

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2de8bfd2ef06a5cd8293d3054c5f409d828d539c
---

 libavcodec/pcm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/pcm.c b/libavcodec/pcm.c
index 2cb5a36..9a13602 100644
--- a/libavcodec/pcm.c
+++ b/libavcodec/pcm.c
@@ -47,7 +47,7 @@ static av_cold int pcm_encode_init(AVCodecContext *avctx)
 
     avctx->bits_per_coded_sample = av_get_bits_per_sample(avctx->codec->id);
     avctx->block_align           = avctx->channels * avctx->bits_per_coded_sample / 8;
-    avctx->bit_rate              = avctx->block_align * avctx->sample_rate * 8;
+    avctx->bit_rate              = avctx->block_align * 8LL * avctx->sample_rate;
 
     return 0;
 }