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forgot to commit, i hope its correct 

Originally committed as revision 2357 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-10-11 09:11:15 +00:00
parent 688cbabe2c
commit c9319f2ea4
1 changed files with 5 additions and 0 deletions
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5
libavcodec/4xm.c
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@ -426,6 +426,11 @@ static inline void idct_put(FourXContext *f, int x, int y){
for(i=4; i<6; i++) idct(block[i]); for(i=4; i<6; i++) idct(block[i]);
} }
/* Note transform is:
y= ( 1b + 4g + 2r)/14
cb=( 3b - 2g - 1r)/14
cr=(-1b - 4g + 5r)/14
*/
for(y=0; y<8; y++){ for(y=0; y<8; y++){
for(x=0; x<8; x++){ for(x=0; x<8; x++){
DCTELEM *temp= block[(x>>2) + 2*(y>>2)] + 2*(x&3) + 2*8*(y&3); //FIXME optimize DCTELEM *temp= block[(x>>2) + 2*(y>>2)] + 2*(x&3) + 2*8*(y&3); //FIXME optimize