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tak: simplify ff_tak_check_crc() 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-06-04 17:25:32 +00:00
parent b84de51f54
commit f5d5bc3493
1 changed files with 1 additions and 2 deletions
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3
libavcodec/tak.c
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@ -19,7 +19,6 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
#include "libavutil/bswap.h"
#include "libavutil/crc.h" #include "libavutil/crc.h"
#include "libavutil/intreadwrite.h" #include "libavutil/intreadwrite.h"
#include "tak.h" #include "tak.h"
@ -97,7 +96,7 @@ int ff_tak_check_crc(const uint8_t *buf, unsigned int buf_size)
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
buf_size -= 3; buf_size -= 3;
CRC = av_bswap32(AV_RL24(buf + buf_size)) >> 8; CRC = AV_RB24(buf + buf_size);
crc = av_crc(crc_24, 0xCE04B7U, buf, buf_size); crc = av_crc(crc_24, 0xCE04B7U, buf, buf_size);
if (CRC != crc) if (CRC != crc)
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;