Commit cad16562 authored by Mashiat Sarker Shakkhar's avatar Mashiat Sarker Shakkhar Committed by Anton Khirnov

vc1dec: interlaced stream decoding support 3/3

Cosmetics: break some lines and reformat TODOs
Signed-off-by: 's avatarAnton Khirnov <anton@khirnov.net>
parent f0c02e1c
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...@@ -688,6 +688,26 @@ static void put_no_rnd_vc1_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*a ...@@ -688,6 +688,26 @@ static void put_no_rnd_vc1_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*a
} }
} }
static void put_no_rnd_vc1_chroma_mc4_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y){
const int A=(8-x)*(8-y);
const int B=( x)*(8-y);
const int C=(8-x)*( y);
const int D=( x)*( y);
int i;
assert(x<8 && y<8 && x>=0 && y>=0);
for(i=0; i<h; i++)
{
dst[0] = (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + 32 - 4) >> 6;
dst[1] = (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + 32 - 4) >> 6;
dst[2] = (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + 32 - 4) >> 6;
dst[3] = (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + 32 - 4) >> 6;
dst+= stride;
src+= stride;
}
}
#define avg2(a,b) ((a+b+1)>>1) #define avg2(a,b) ((a+b+1)>>1)
static void avg_no_rnd_vc1_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){ static void avg_no_rnd_vc1_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){
const int A=(8-x)*(8-y); const int A=(8-x)*(8-y);
...@@ -829,6 +849,7 @@ av_cold void ff_vc1dsp_init(VC1DSPContext* dsp) { ...@@ -829,6 +849,7 @@ av_cold void ff_vc1dsp_init(VC1DSPContext* dsp) {
dsp->put_no_rnd_vc1_chroma_pixels_tab[0]= put_no_rnd_vc1_chroma_mc8_c; dsp->put_no_rnd_vc1_chroma_pixels_tab[0]= put_no_rnd_vc1_chroma_mc8_c;
dsp->avg_no_rnd_vc1_chroma_pixels_tab[0]= avg_no_rnd_vc1_chroma_mc8_c; dsp->avg_no_rnd_vc1_chroma_pixels_tab[0]= avg_no_rnd_vc1_chroma_mc8_c;
dsp->put_no_rnd_vc1_chroma_pixels_tab[1] = put_no_rnd_vc1_chroma_mc4_c;
#if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER #if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
dsp->sprite_h = sprite_h_c; dsp->sprite_h = sprite_h_c;
......
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