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Originally committed as revision 10434 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-09-08 03:15:42 +00:00
parent a68ca08e30
commit 65dc0f532d
1 changed files with 44 additions and 44 deletions
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88
libavcodec/snow.c
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@ -2195,23 +2195,23 @@ START_TIMER
b= needs[l] | needs[r]; b= needs[l] | needs[r];
if(b&5){ if(b&5){
for(y=0; y < b_h+HTAPS-1; y++){ for(y=0; y < b_h+HTAPS-1; y++){
for(x=0; x < b_w; x++){ for(x=0; x < b_w; x++){
int a_2=src[x + HTAPS/2-5]; int a_2=src[x + HTAPS/2-5];
int a_1=src[x + HTAPS/2-4]; int a_1=src[x + HTAPS/2-4];
int a0= src[x + HTAPS/2-3]; int a0= src[x + HTAPS/2-3];
int a1= src[x + HTAPS/2-2]; int a1= src[x + HTAPS/2-2];
int a2= src[x + HTAPS/2-1]; int a2= src[x + HTAPS/2-1];
int a3= src[x + HTAPS/2+0]; int a3= src[x + HTAPS/2+0];
int a4= src[x + HTAPS/2+1]; int a4= src[x + HTAPS/2+1];
int a5= src[x + HTAPS/2+2]; int a5= src[x + HTAPS/2+2];
int a6= src[x + HTAPS/2+3]; int a6= src[x + HTAPS/2+3];
int a7= src[x + HTAPS/2+4]; int a7= src[x + HTAPS/2+4];
// int am= 9*(a1+a2) - (a0+a3); // int am= 9*(a1+a2) - (a0+a3);
#if HTAPS==6 #if HTAPS==6
int am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5); int am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5);
#else #else
int am= 21*(a2+a3) - 7*(a1+a4) + 3*(a0+a5) - (a_1+a6); int am= 21*(a2+a3) - 7*(a1+a4) + 3*(a0+a5) - (a_1+a6);
#endif #endif
// int am= 18*(a2+a3) - 2*(a1+a4); // int am= 18*(a2+a3) - 2*(a1+a4);
// int aL= (-7*a0 + 105*a1 + 35*a2 - 5*a3)>>3; // int aL= (-7*a0 + 105*a1 + 35*a2 - 5*a3)>>3;
@ -2219,37 +2219,37 @@ START_TIMER
// if(b_w==16) am= 8*(a1+a2); // if(b_w==16) am= 8*(a1+a2);
tmpI[x]= am; tmpI[x]= am;
am= (am+16)>>5; am= (am+16)>>5;
if(am&(~255)) am= ~(am>>31); if(am&(~255)) am= ~(am>>31);
tmp2[x]= am; tmp2[x]= am;
}
tmpI+= 64;
tmp2+= stride;
src += stride;
} }
tmpI+= 64; src -= stride*y;
tmp2+= stride;
src += stride;
}
src -= stride*y;
} }
src += HTAPS/2 - 1; src += HTAPS/2 - 1;
tmp2= tmp2t[1]; tmp2= tmp2t[1];
if(b&2){ if(b&2){
for(y=0; y < b_h; y++){ for(y=0; y < b_h; y++){
for(x=0; x < b_w+1; x++){ for(x=0; x < b_w+1; x++){
int a_2=src[x + (HTAPS/2-5)*stride]; int a_2=src[x + (HTAPS/2-5)*stride];
int a_1=src[x + (HTAPS/2-4)*stride]; int a_1=src[x + (HTAPS/2-4)*stride];
int a0= src[x + (HTAPS/2-3)*stride]; int a0= src[x + (HTAPS/2-3)*stride];
int a1= src[x + (HTAPS/2-2)*stride]; int a1= src[x + (HTAPS/2-2)*stride];
int a2= src[x + (HTAPS/2-1)*stride]; int a2= src[x + (HTAPS/2-1)*stride];
int a3= src[x + (HTAPS/2+0)*stride]; int a3= src[x + (HTAPS/2+0)*stride];
int a4= src[x + (HTAPS/2+1)*stride]; int a4= src[x + (HTAPS/2+1)*stride];
int a5= src[x + (HTAPS/2+2)*stride]; int a5= src[x + (HTAPS/2+2)*stride];
int a6= src[x + (HTAPS/2+3)*stride]; int a6= src[x + (HTAPS/2+3)*stride];
int a7= src[x + (HTAPS/2+4)*stride]; int a7= src[x + (HTAPS/2+4)*stride];
#if HTAPS==6 #if HTAPS==6
int am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5); int am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5);
#else #else
int am= 21*(a2+a3) - 7*(a1+a4) + 3*(a0+a5) - (a_1+a6); int am= 21*(a2+a3) - 7*(a1+a4) + 3*(a0+a5) - (a_1+a6);
#endif #endif
// int am= 18*(a2+a3) - 2*(a1+a4); // int am= 18*(a2+a3) - 2*(a1+a4);
/* int aL= (-7*a0 + 105*a1 + 35*a2 - 5*a3)>>3; /* int aL= (-7*a0 + 105*a1 + 35*a2 - 5*a3)>>3;
@ -2257,14 +2257,14 @@ START_TIMER
// if(b_w==16) am= 8*(a1+a2); // if(b_w==16) am= 8*(a1+a2);
am= (am + 16)>>5; am= (am + 16)>>5;
if(am&(~255)) am= ~(am>>31); if(am&(~255)) am= ~(am>>31);
tmp2[x]= am; tmp2[x]= am;
}
src += stride;
tmp2+= stride;
} }
src += stride; src -= stride*y;
tmp2+= stride;
}
src -= stride*y;
} }
src += stride*(HTAPS/2 - 1); src += stride*(HTAPS/2 - 1);
tmp2= tmp2t[2]; tmp2= tmp2t[2];