1 files changed, 0 insertions, 53 deletions
diff --git a/src/libffmpeg/libavutil/adler32.c b/src/libffmpeg/libavutil/adler32.c
deleted file mode 100644
index e185a77c4..000000000
--- a/src/libffmpeg/libavutil/adler32.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/* adler32.c -- compute the Adler-32 checksum of a data stream
- * Copyright (C) 1995 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
- */
-
-#include "common.h"
-#include "adler32.h"
-
-#define BASE 65521L /* largest prime smaller than 65536 */
-
-#define DO1(buf)  {s1 += *buf++; s2 += s1;}
-#define DO4(buf)  DO1(buf); DO1(buf); DO1(buf); DO1(buf);
-#define DO16(buf) DO4(buf); DO4(buf); DO4(buf); DO4(buf);
-
-unsigned long av_adler32_update(unsigned long adler, const uint8_t *buf, unsigned int len)
-{
-    unsigned long s1 = adler & 0xffff;
-    unsigned long s2 = adler >> 16;
-
-    while (len>0) {
-#ifdef CONFIG_SMALL
-        while(len>4 && s2 < (1U<<31)){
-            DO4(buf); len-=4;
-#else
-        while(len>16 && s2 < (1U<<31)){
-            DO16(buf); len-=16;
-#endif
-        }
-        DO1(buf); len--;
-        s1 %= BASE;
-        s2 %= BASE;
-    }
-    return (s2 << 16) | s1;
-}
-
-#ifdef TEST
-#include "log.h"
-#define LEN 7001
-volatile int checksum;
-int main(){
-    int i;
-    char data[LEN];
-    av_log_level = AV_LOG_DEBUG;
-    for(i=0; i<LEN; i++)
-        data[i]= ((i*i)>>3) + 123*i;
-    for(i=0; i<1000; i++){
-        START_TIMER
-        checksum= av_adler32_update(1, data, LEN);
-        STOP_TIMER("adler")
-    }
-    av_log(NULL, AV_LOG_DEBUG, "%X == 50E6E508\n", checksum);
-}
-#endif