[FFmpeg-devel] [PATCH] libavcodec/mpegaudiodecheader.h: fix version check pattern

[Karsten Otto]

This fixes the check for the reserved MPEG audio version ID,
used to detect an invalid frame header.
---
 libavcodec/mpegaudiodecheader.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/mpegaudiodecheader.h b/libavcodec/mpegaudiodecheader.h
index ed9961250a..1da2a4cb6f 100644
--- a/libavcodec/mpegaudiodecheader.h
+++ b/libavcodec/mpegaudiodecheader.h
@@ -63,7 +63,7 @@ static inline int ff_mpa_check_header(uint32_t header){
     if ((header & 0xffe00000) != 0xffe00000)
         return -1;
     /* version check */
-    if ((header & (3<<19)) == 1)
+    if ((header & (3<<19)) == 1<<19)
         return -1;
     /* layer check */
     if ((header & (3<<17)) == 0)
-- 
2.14.3 (Apple Git-98)