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use h264 MC functions for rectangular blocks too

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Originally committed as revision 4821 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-01-07 18:34:19 +00:00
parent a588a2c654
commit 2692ceab8b
3 changed files with 48 additions and 18 deletions
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42
libavcodec/snow.c
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@ -2469,10 +2469,29 @@ mca( 8, 8,8)
static void pred_block(SnowContext *s, uint8_t *dst, uint8_t *src, uint8_t *tmp, int stride, int sx, int sy, int b_w, int b_h, BlockNode *block, int plane_index, int w, int h){
if(block->type & BLOCK_INTRA){
int x, y;
const int color= block->color[plane_index];
for(y=0; y < b_h; y++){
for(x=0; x < b_w; x++){
dst[x + y*stride]= color;
const int color = block->color[plane_index];
const int color4= color*0x01010101;
if(b_w==16){
for(y=0; y < b_h; y++){
*(uint32_t*)&dst[0 + y*stride]= color4;
*(uint32_t*)&dst[4 + y*stride]= color4;
*(uint32_t*)&dst[8 + y*stride]= color4;
*(uint32_t*)&dst[12+ y*stride]= color4;
}
}else if(b_w==8){
for(y=0; y < b_h; y++){
*(uint32_t*)&dst[0 + y*stride]= color4;
*(uint32_t*)&dst[4 + y*stride]= color4;
}
}else if(b_w==4){
for(y=0; y < b_h; y++){
*(uint32_t*)&dst[0 + y*stride]= color4;
}
}else{
for(y=0; y < b_h; y++){
for(x=0; x < b_w; x++){
dst[x + y*stride]= color;
}
}
}
}else{
@ -2489,10 +2508,21 @@ static void pred_block(SnowContext *s, uint8_t *dst, uint8_t *src, uint8_t *tmp,
ff_emulated_edge_mc(tmp + MB_SIZE, src, stride, b_w+5, b_h+5, sx, sy, w, h);
src= tmp + MB_SIZE;
}
if((dx&3) || (dy&3) || b_w!=b_h || (b_w!=4 && b_w!=8 && b_w!=16))
assert(b_w == b_h || 2*b_w == b_h || b_w == 2*b_h);
assert(!(b_w&(b_w-1)));
assert(b_w>1 && b_h>1);
if((dx&3) || (dy&3) || b_w==2 || b_h==2)
mc_block(dst, src, tmp, stride, b_w, b_h, dx, dy);
else
else if(b_w==b_h)
s->dsp.put_h264_qpel_pixels_tab[2-(b_w>>3)][dy+(dx>>2)](dst,src + 2 + 2*stride,stride);
else if(b_w==2*b_h){
s->dsp.put_h264_qpel_pixels_tab[2-(b_h>>3)][dy+(dx>>2)](dst ,src + 2 + 2*stride,stride);
s->dsp.put_h264_qpel_pixels_tab[2-(b_h>>3)][dy+(dx>>2)](dst+b_h,src + 2 + b_h + 2*stride,stride);
}else{
assert(2*b_w==b_h);
s->dsp.put_h264_qpel_pixels_tab[2-(b_w>>3)][dy+(dx>>2)](dst ,src + 2 + 2*stride ,stride);
s->dsp.put_h264_qpel_pixels_tab[2-(b_w>>3)][dy+(dx>>2)](dst+b_w*stride,src + 2 + 2*stride+b_w*stride,stride);
}
}
}