[FFmpeg-cvslog] avcodec/g2meet: Fix order of align and pixel size multiplication.

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Sep 15 16:33:27 2013 +0200| [821a5938d100458f4d09d634041b05c860554ce0] | committer: Michael Niedermayer

avcodec/g2meet: Fix order of align and pixel size multiplication.

Fixes out of array accesses
Fixes Ticket2922

Found-by: ami_stuff
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=821a5938d100458f4d09d634041b05c860554ce0
---

 libavcodec/g2meet.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/g2meet.c b/libavcodec/g2meet.c
index 9a228b8..ccccf21 100644
--- a/libavcodec/g2meet.c
+++ b/libavcodec/g2meet.c
@@ -453,7 +453,7 @@ static int g2m_init_buffers(G2MContext *c)
     if (!c->synth_tile || !c->jpeg_tile ||
         c->old_tile_w < c->tile_width ||
         c->old_tile_h < c->tile_height) {
-        c->tile_stride = FFALIGN(c->tile_width * 3, 16);
+        c->tile_stride = FFALIGN(c->tile_width, 16) * 3;
         aligned_height = FFALIGN(c->tile_height,    16);
         av_free(c->synth_tile);
         av_free(c->jpeg_tile);