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

[Karsten Otto]

ffmpeg | branch: master | Karsten Otto <ottoka at posteo.de> | Thu Jul 12 09:30:25 2018 +0200| [ce372bc278ce7ff96e661f3bb109fc74d9a22279] | committer: Michael Niedermayer

libavcodec/mpegaudiodecheader.h: fix version check pattern

This fixes the check for the reserved MPEG audio version ID,
used to detect an invalid frame header.

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ce372bc278ce7ff96e661f3bb109fc74d9a22279
---

 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)