[FFmpeg-cvslog] diracdec: allocate enough space for blocks

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Nov 11 03:35:10 2012 +0100| [7dab48bb73abafbb00dbb4cb84db838292388790] | committer: Michael Niedermayer

diracdec: allocate enough space for blocks

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7dab48bb73abafbb00dbb4cb84db838292388790
---

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

diff --git a/libavcodec/diracdec.c b/libavcodec/diracdec.c
index a8f5938..3d42a9d 100644
--- a/libavcodec/diracdec.c
+++ b/libavcodec/diracdec.c
@@ -346,7 +346,7 @@ static int alloc_sequence_buffers(DiracContext *s)
 
     /* fixme: allocate using real stride here */
     s->sbsplit  = av_malloc(sbwidth * sbheight);
-    s->blmotion = av_malloc(sbwidth * sbheight * 4 * sizeof(*s->blmotion));
+    s->blmotion = av_malloc(sbwidth * sbheight * 16 * sizeof(*s->blmotion));
     s->edge_emu_buffer_base = av_malloc((w+64)*MAX_BLOCKSIZE);
 
     s->mctmp     = av_malloc((w+64+MAX_BLOCKSIZE) * (h*MAX_BLOCKSIZE) * sizeof(*s->mctmp));