[FFmpeg-devel] [PATCH] avcodec/mlpdec: fix a undefined left shift of negative number

[Ganesh Ajjanagadde]

This fixes a -Wshift-negative-value reported with clang 3.7+, e.g
http://fate.ffmpeg.org/log.cgi?time=20150918181527&log=compile&slot=x86_64-darwin-clang-polly-vectorize-stripmine-3.7.

Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>
---
 libavcodec/mlpdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/mlpdec.c b/libavcodec/mlpdec.c
index b2d1e2f..c93b058 100644
--- a/libavcodec/mlpdec.c
+++ b/libavcodec/mlpdec.c
@@ -602,7 +602,7 @@ static int read_restart_header(MLPDecodeContext *m, GetBitContext *gbp,
 
         /* Default audio coding is 24-bit raw PCM. */
         cp->huff_offset      = 0;
-        cp->sign_huff_offset = (-1) << 23;
+        cp->sign_huff_offset = -(1 << 23);
         cp->codebook         = 0;
         cp->huff_lsbs        = 24;
     }
-- 
2.5.2