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authorTim Redfern <tim@eclectronics.org>2013-12-29 12:19:38 +0000
committerTim Redfern <tim@eclectronics.org>2013-12-29 12:19:38 +0000
commitf7813a5324be39d13ab536c245d15dfc602a7849 (patch)
treefad99148b88823d34a5df2f0a25881a002eb291b /ffmpeg/libavcodec/tak.c
parentb7a5a477b8ff4d4e3028b9dfb9a9df0a41463f92 (diff)
basic type mechanism working
Diffstat (limited to 'ffmpeg/libavcodec/tak.c')
-rw-r--r--ffmpeg/libavcodec/tak.c21
1 files changed, 2 insertions, 19 deletions
diff --git a/ffmpeg/libavcodec/tak.c b/ffmpeg/libavcodec/tak.c
index 92dc44c..ed41ca8 100644
--- a/ffmpeg/libavcodec/tak.c
+++ b/ffmpeg/libavcodec/tak.c
@@ -19,7 +19,6 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "libavutil/bswap.h"
#include "libavutil/crc.h"
#include "libavutil/intreadwrite.h"
#include "tak.h"
@@ -73,22 +72,6 @@ static int tak_get_nb_samples(int sample_rate, enum TAKFrameSizeType type)
return nb_samples;
}
-static int crc_init = 0;
-#if CONFIG_SMALL
-#define CRC_TABLE_SIZE 257
-#else
-#define CRC_TABLE_SIZE 1024
-#endif
-static AVCRC crc_24[CRC_TABLE_SIZE];
-
-av_cold void ff_tak_init_crc(void)
-{
- if (!crc_init) {
- av_crc_init(crc_24, 0, 24, 0x864CFBU, sizeof(crc_24));
- crc_init = 1;
- }
-}
-
int ff_tak_check_crc(const uint8_t *buf, unsigned int buf_size)
{
uint32_t crc, CRC;
@@ -97,8 +80,8 @@ int ff_tak_check_crc(const uint8_t *buf, unsigned int buf_size)
return AVERROR_INVALIDDATA;
buf_size -= 3;
- CRC = av_bswap32(AV_RL24(buf + buf_size)) >> 8;
- crc = av_crc(crc_24, 0xCE04B7U, buf, buf_size);
+ CRC = AV_RB24(buf + buf_size);
+ crc = av_crc(av_crc_get_table(AV_CRC_24_IEEE), 0xCE04B7U, buf, buf_size);
if (CRC != crc)
return AVERROR_INVALIDDATA;