Mercurial > SDL_sound_CoreAudio
diff filter_templates.h @ 373:24a610dfbbfd
More altcvt updates from Frank.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Sat, 29 Jun 2002 04:08:17 +0000 |
| parents | 1b463ef9bcc2 |
| children | 44ed8bdeba74 |
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--- a/filter_templates.h Tue Jun 25 17:15:29 2002 +0000 +++ b/filter_templates.h Sat Jun 29 04:08:17 2002 +0000 @@ -70,6 +70,7 @@ } return outp; } +#undef sum_d /*-------------------------------------------------------------------------*/ #define sum_h(v,dx) ((int) v[CH(dx)] + v[CH(-dx)]) @@ -109,6 +110,7 @@ } return outp; } +#undef sum_h /*-------------------------------------------------------------------------*/ static Sint16* Suffix(increaseRate)( Sint16 *outp, Sint16 *inp, int length, @@ -128,17 +130,17 @@ { out = 0; f = filter->c[pos]; - for( i = _fsize + 1; --i; inp+=CH(4), f+=4 ) + for( i = _fsize + 1; --i; inp+=CH(8), f+=4 ) { out+= f[0] * (int)inp[CH(0)]; - out+= f[1] * (int)inp[CH(1)]; - out+= f[2] * (int)inp[CH(2)]; - out+= f[3] * (int)inp[CH(3)]; + out+= f[1] * (int)inp[CH(2)]; + out+= f[2] * (int)inp[CH(4)]; + out+= f[3] * (int)inp[CH(6)]; } outp[0] = out >> 16; pos = ( pos + filter->denominator - 1 ) % filter->denominator; - inp -= CH( 4 * _fsize ); + inp -= CH( 8 * _fsize ); inp -= CH( filter->incr[pos] ); outp -= CH(1); } @@ -185,8 +187,6 @@ } /*-------------------------------------------------------------------------*/ -#undef sum_d -#undef sum_h #undef CH #endif /* Suffix */