From f7813a5324be39d13ab536c245d15dfc602a7849 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@eclectronics.org>
Date: Sun, 29 Dec 2013 12:19:38 +0000
Subject: basic type mechanism working

---
 ffmpeg/libavcodec/tak.c | 21 ++-------------------
 1 file changed, 2 insertions(+), 19 deletions(-)

(limited to 'ffmpeg/libavcodec/tak.c')

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;
 
-- 
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