avformat/oggparseogm: Fix undefined shift in ogm_packet()

Fixes: shift exponent 48 is too large for 32-bit type 'int' Fixes: Chromium bug 786793 Reported-by: Matt Wolenetz <[email protected]> Reviewed-by: Matt Wolenetz <[email protected]> Signed-off-by: Michael Niedermayer <[email protected]>
SaschaVasarrhelyi · Mar 10, 2018 · 010b7b3 · 010b7b3
1 parent 06e092e
commit 010b7b3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/libavformat/oggparseogm.c b/libavformat/oggparseogm.c
@@ -180,7 +180,7 @@ ogm_packet(AVFormatContext *s, int idx)
     os->psize -= lb + 1;
 
     while (lb--)
-        os->pduration += p[lb+1] << (lb*8);
+        os->pduration += (uint64_t)p[lb+1] << (lb*8);
 
     return 0;
 }