[FFmpeg-cvslog] jpeg2000dec: Support 4 tile parts

Michael Niedermayer git at videolan.org
Thu Jun 6 03:36:05 CEST 2013


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Jun  6 03:01:17 2013 +0200| [c51654fbc023f22feabee68a858a1a33e12ed9f6] | committer: Michael Niedermayer

jpeg2000dec: Support 4 tile parts

Fixes out of array accesses

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=c51654fbc023f22feabee68a858a1a33e12ed9f6
---

 libavcodec/jpeg2000dec.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c
index c4b63ef..4968036 100644
--- a/libavcodec/jpeg2000dec.c
+++ b/libavcodec/jpeg2000dec.c
@@ -54,7 +54,7 @@ typedef struct Jpeg2000Tile {
     uint8_t             properties[4];
     Jpeg2000CodingStyle codsty[4];
     Jpeg2000QuantStyle  qntsty[4];
-    Jpeg2000TilePart    tile_part[3];
+    Jpeg2000TilePart    tile_part[4];
     uint16_t tp_idx;                    // Tile-part index
 } Jpeg2000Tile;
 



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