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Originally committed as revision 1211 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2002-11-14 19:20:04 +00:00
parent 5844544064
commit 11f18fafca
7 changed files with 1091 additions and 3 deletions
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35
libavcodec/dsputil.c
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@@ -1342,6 +1342,38 @@ static void clear_blocks_c(DCTELEM *blocks)
memset(blocks, 0, sizeof(DCTELEM)*6*64);
}
static void add_bytes_c(uint8_t *dst, uint8_t *src, int w){
int i;
for(i=0; i+7<w; i++){
dst[i+0] += src[i+0];
dst[i+1] += src[i+1];
dst[i+2] += src[i+2];
dst[i+3] += src[i+3];
dst[i+4] += src[i+4];
dst[i+5] += src[i+5];
dst[i+6] += src[i+6];
dst[i+7] += src[i+7];
}
for(; i<w; i++)
dst[i+0] += src[i+0];
}
static void diff_bytes_c(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
int i;
for(i=0; i+7<w; i++){
dst[i+0] = src1[i+0]-src2[i+0];
dst[i+1] = src1[i+1]-src2[i+1];
dst[i+2] = src1[i+2]-src2[i+2];
dst[i+3] = src1[i+3]-src2[i+3];
dst[i+4] = src1[i+4]-src2[i+4];
dst[i+5] = src1[i+5]-src2[i+5];
dst[i+6] = src1[i+6]-src2[i+6];
dst[i+7] = src1[i+7]-src2[i+7];
}
for(; i<w; i++)
dst[i+0] = src1[i+0]-src2[i+0];
}
void dsputil_init(DSPContext* c, unsigned mask)
{
static int init_done = 0;
@@ -1431,6 +1463,9 @@ void dsputil_init(DSPContext* c, unsigned mask)
/* dspfunc(avg_no_rnd_qpel, 1, 8); */
#undef dspfunc
c->add_bytes= add_bytes_c;
c->diff_bytes= diff_bytes_c;
#ifdef HAVE_MMX
dsputil_init_mmx(c, mask);
if (ff_bit_exact)