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dont memcpy() simpler and same speed

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Originally committed as revision 8377 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-03-13 10:45:41 +00:00
parent 476f9b74ec
commit 15b6cae245
1 changed files with 1 additions and 3 deletions
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4
libavutil/sha1.c
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@ -14,7 +14,7 @@ typedef struct AVSHA1 {
#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
#define blk0(i) (block[i] = be2me_32(block[i]))
#define blk0(i) (block[i] = be2me_32(((uint32_t*)buffer)[i]))
#define blk(i) (block[i] = rol(block[i-3]^block[i-8]^block[i-14]^block[i-16],1))
#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y) +blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
@ -32,8 +32,6 @@ static void transform(uint32_t state[5], uint8_t buffer[64]){
unsigned int i;
unsigned int a, b, c, d, e;
memcpy(block, buffer, 64);
a = state[0];
b = state[1];
c = state[2];