[FFmpeg-devel] [PATCH] dpx: Make start offset unsigned

[Derek Buitenhuis]

Some corrupted files would end up with a negative offset,
and segfault.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis at gmail.com>
---
 libavcodec/dpx.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/dpx.c b/libavcodec/dpx.c
index 6ef2db2..791e66a 100644
--- a/libavcodec/dpx.c
+++ b/libavcodec/dpx.c
@@ -62,7 +62,8 @@ static int decode_frame(AVCodecContext *avctx,
     AVFrame *const p = &s->picture;
     uint8_t *ptr;
 
-    int magic_num, offset, endian;
+    unsigned int offset;
+    int magic_num, endian;
     int x, y;
     int w, h, stride, bits_per_color, descriptor, elements, target_packet_size, source_packet_size;
 
-- 
1.7.10.4