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libavcodec/mpegaudiodecheader.h: fix version check pattern

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

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Karsten Otto 2018-07-12 09:30:25 +02:00 • committed by Michael Niedermayer
parent aba13dc13e
commit ce372bc278
1 changed files with 1 additions and 1 deletions
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2
libavcodec/mpegaudiodecheader.h
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@ -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)