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-rw-r--r--libavcodec/bitstream_filter.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/bitstream_filter.c b/libavcodec/bitstream_filter.c
index e4be773c6e..b52acf60a2 100644
--- a/libavcodec/bitstream_filter.c
+++ b/libavcodec/bitstream_filter.c
@@ -238,8 +238,10 @@ static int mp3_header_decompress(AVBitStreamFilterContext *bsfc, AVCodecContext
if(lsf){
FFSWAP(int, p[1], p[2]);
header |= (p[1] & 0xC0)>>2;
+ p[1] &= 0x3F;
}else{
header |= p[1] & 0x30;
+ p[1] &= 0xCF;
}
}