[FFmpeg-cvslog] vp9/parser: change size type to unsigned.

[Ronald S. Bultje]

ffmpeg | branch: master | Ronald S. Bultje <rsbultje at gmail.com> | Sat Feb  8 06:50:43 2014 -0500| [c72f587353d9f88c7fbbbf6ef78b1d9ba3d38fd7] | committer: Clément Bœsch

vp9/parser: change size type to unsigned.

Fixes valgrind errors in fuzzed8.ivf because size >= 0x80000000.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c72f587353d9f88c7fbbbf6ef78b1d9ba3d38fd7
---

 libavcodec/vp9_parser.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/vp9_parser.c b/libavcodec/vp9_parser.c
index 2de8937..af033c2 100644
--- a/libavcodec/vp9_parser.c
+++ b/libavcodec/vp9_parser.c
@@ -73,12 +73,12 @@ static int parse(AVCodecParserContext *ctx,
 #define case_n(a, rd) \
             case a: \
                 while (n_frames--) { \
-                    int sz = rd; \
+                    unsigned sz = rd; \
                     idx += a; \
                     if (sz > size) { \
                         s->n_frames = 0; \
                         av_log(avctx, AV_LOG_ERROR, \
-                               "Superframe packet size too big: %d > %d\n", \
+                               "Superframe packet size too big: %u > %d\n", \
                                sz, size); \
                         return size; \
                     } \