[FFmpeg-cvslog] vc2enc: fix segfault

[Rostislav Pehlivanov]

ffmpeg | branch: master | Rostislav Pehlivanov <atomnuker at gmail.com> | Mon Mar 21 11:01:01 2016 +0000| [500dc20deede02f25c395351743aeb69f618fd46] | committer: Rostislav Pehlivanov

vc2enc: fix segfault

Fixes trac bug #5353

Uninitialized memory for the initial quantization index

Signed-off-by: Rostislav Pehlivanov <atomnuker at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=500dc20deede02f25c395351743aeb69f618fd46
---

 libavcodec/vc2enc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/vc2enc.c b/libavcodec/vc2enc.c
index f110dfc..7055d1f 100644
--- a/libavcodec/vc2enc.c
+++ b/libavcodec/vc2enc.c
@@ -1182,7 +1182,7 @@ static av_cold int vc2_encode_init(AVCodecContext *avctx)
     s->num_x = s->plane[0].dwt_width/s->slice_width;
     s->num_y = s->plane[0].dwt_height/s->slice_height;
 
-    s->slice_args = av_malloc(s->num_x*s->num_y*sizeof(SliceArgs));
+    s->slice_args = av_calloc(s->num_x*s->num_y, sizeof(SliceArgs));
     if (!s->slice_args)
         goto alloc_fail;