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| author | Tim Redfern <tim@eclectronics.org> | 2013-12-29 12:19:38 +0000 |
|---|---|---|
| committer | Tim Redfern <tim@eclectronics.org> | 2013-12-29 12:19:38 +0000 |
| commit | f7813a5324be39d13ab536c245d15dfc602a7849 (patch) | |
| tree | fad99148b88823d34a5df2f0a25881a002eb291b /ffmpeg/libavcodec/h264chroma_template.c | |
| parent | b7a5a477b8ff4d4e3028b9dfb9a9df0a41463f92 (diff) | |
basic type mechanism working
Diffstat (limited to 'ffmpeg/libavcodec/h264chroma_template.c')
| -rw-r--r-- | ffmpeg/libavcodec/h264chroma_template.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/ffmpeg/libavcodec/h264chroma_template.c b/ffmpeg/libavcodec/h264chroma_template.c index 93559d7..b64172a 100644 --- a/ffmpeg/libavcodec/h264chroma_template.c +++ b/ffmpeg/libavcodec/h264chroma_template.c @@ -24,6 +24,34 @@ #include "bit_depth_template.c" #define H264_CHROMA_MC(OPNAME, OP)\ +static void FUNCC(OPNAME ## h264_chroma_mc1)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\ + pixel *dst = (pixel*)_dst;\ + pixel *src = (pixel*)_src;\ + 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;\ + stride >>= sizeof(pixel)-1;\ + \ + av_assert2(x<8 && y<8 && x>=0 && y>=0);\ +\ + if(D){\ + for(i=0; i<h; i++){\ + OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\ + dst+= stride;\ + src+= stride;\ + }\ + }else{\ + const int E= B+C;\ + const int step= C ? stride : 1;\ + for(i=0; i<h; i++){\ + OP(dst[0], (A*src[0] + E*src[step+0]));\ + dst+= stride;\ + src+= stride;\ + }\ + }\ +}\ static void FUNCC(OPNAME ## h264_chroma_mc2)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\ pixel *dst = (pixel*)_dst;\ pixel *src = (pixel*)_src;\ |