From bd4c4c868c37c7495216422e17c8b9c8e8a74c4a Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 11 Mar 2015 13:32:08 +0100 Subject: avcodec/wma: Fix undefined shift in ff_wma_run_level_decode() Found-by: Clang -fsanitize=shift Reported-by: Thierry Foucu Signed-off-by: Michael Niedermayer --- libavcodec/wma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavcodec/wma.c') diff --git a/libavcodec/wma.c b/libavcodec/wma.c index d8949d5..99a87f6 100644 --- a/libavcodec/wma.c +++ b/libavcodec/wma.c @@ -451,7 +451,7 @@ int ff_wma_run_level_decode(AVCodecContext *avctx, GetBitContext *gb, /** normal code */ offset += run_table[code]; sign = get_bits1(gb) - 1; - iptr[offset & coef_mask] = ilvl[code] ^ sign << 31; + iptr[offset & coef_mask] = ilvl[code] ^ (sign & 0x80000000); } else if (code == 1) { /** EOB */ break; -- cgit v1.1