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-rw-r--r--libavformat/matroskaenc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index 0cb11d8157..35ed2623e7 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -119,8 +119,8 @@ static void put_ebml_size(ByteIOContext *pb, uint64_t size, int minbytes)
return;
}
- put_byte(pb, (0x80 >> (bytes-1)) | (size >> (bytes-1)*8));
- for (i = bytes - 2; i >= 0; i--)
+ size |= 1ULL << bytes*7;
+ for (i = bytes - 1; i >= 0; i--)
put_byte(pb, size >> i*8);
}