[FFmpeg-cvslog] avfilter: Don't copy garbage from the stack when setting up video pictures.

[Alex Converse]

ffmpeg | branch: master | Alex Converse <alex.converse at gmail.com> | Thu Nov  3 15:54:04 2011 -0700| [0d7a16a9467eab58aca4508a70cb546741664ac0] | committer: Alex Converse

avfilter: Don't copy garbage from the stack when setting up video pictures.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0d7a16a9467eab58aca4508a70cb546741664ac0
---

 libavfilter/avfilter.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index abeae14..2f24aa3 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -332,8 +332,8 @@ avfilter_get_video_buffer_ref_from_arrays(uint8_t *data[4], int linesize[4], int
     picref->type = AVMEDIA_TYPE_VIDEO;
     pic->format = picref->format = format;
 
-    memcpy(pic->data,        data,          sizeof(pic->data));
-    memcpy(pic->linesize,    linesize,      sizeof(pic->linesize));
+    memcpy(pic->data,        data,          4*sizeof(data[0]));
+    memcpy(pic->linesize,    linesize,      4*sizeof(linesize[0]));
     memcpy(picref->data,     pic->data,     sizeof(picref->data));
     memcpy(picref->linesize, pic->linesize, sizeof(picref->linesize));