[FFmpeg-cvslog] pmpdec: fix integer overflow

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Feb 24 22:53:58 2013 +0100| [a960f3b91876d50d9a1bff63d11b2a5a6a16fd89] | committer: Michael Niedermayer

pmpdec: fix integer overflow

Its unlikely this affects any valid files.

Reviewed-by: Paul B Mahol <onemda at gmail.com>
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a960f3b91876d50d9a1bff63d11b2a5a6a16fd89
---

 libavformat/pmpdec.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/pmpdec.c b/libavformat/pmpdec.c
index 06b2271..3b8c5f7 100644
--- a/libavformat/pmpdec.c
+++ b/libavformat/pmpdec.c
@@ -93,7 +93,7 @@ static int pmp_header(AVFormatContext *s)
     avio_skip(pb, 10);
     srate = avio_rl32(pb);
     channels = avio_rl32(pb) + 1;
-    pos = avio_tell(pb) + 4*index_cnt;
+    pos = avio_tell(pb) + 4LL*index_cnt;
     for (i = 0; i < index_cnt; i++) {
         uint32_t size = avio_rl32(pb);
         int flags = size & 1 ? AVINDEX_KEYFRAME : 0;