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-rw-r--r--libavformat/matroskaenc.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index 38ee9d6f90..80c89b4c77 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -76,13 +76,7 @@ static void put_ebml_id(ByteIOContext *pb, unsigned int id)
static int ebml_id_size(unsigned int id)
{
- if (id >= 0x3fffff)
- return 4;
- if (id >= 0x7fff)
- return 3;
- if (id >= 0xff)
- return 2;
- return 1;
+ return (av_log2(id+1)-1)/7+1;
}
// XXX: test this thoroughly and get rid of minbytes hack (currently needed to