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| author | Sakitoshi | 2019-01-23 22:19:49 -0300 |
|---|---|---|
| committer | Sakitoshi | 2019-01-23 22:19:49 -0300 |
| commit | 636462080c6b984993d7427b5d7688a362e45c2f (patch) | |
| tree | 9bbff354dde1c84e1dcd73793104c9b66e6c1f12 /plugins/dfsound/spu.c | |
| parent | e424c297b7b714cf2f25582cf9b4fc30cba5599f (diff) | |
| download | pcsx_rearmed-636462080c6b984993d7427b5d7688a362e45c2f.tar.gz pcsx_rearmed-636462080c6b984993d7427b5d7688a362e45c2f.tar.bz2 pcsx_rearmed-636462080c6b984993d7427b5d7688a362e45c2f.zip | |
updated gaussian interpolation filter
the previous gaussian filter was pretty old and inaccurate, the new filter was taken from the updated peops sound plugin 1.10b.
Diffstat (limited to 'plugins/dfsound/spu.c')
| -rw-r--r-- | plugins/dfsound/spu.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/plugins/dfsound/spu.c b/plugins/dfsound/spu.c index 0058ad2..a64927e 100644 --- a/plugins/dfsound/spu.c +++ b/plugins/dfsound/spu.c @@ -345,11 +345,11 @@ INLINE int iGetInterpolationVal(int *SB, int sinc, int spos, int fmod_freq) int vl, vr;int gpos; vl = (spos >> 6) & ~3; gpos = SB[28]; - vr=(gauss[vl]*(int)gval0)&~2047; - vr+=(gauss[vl+1]*gval(1))&~2047; - vr+=(gauss[vl+2]*gval(2))&~2047; - vr+=(gauss[vl+3]*gval(3))&~2047; - fa = vr>>11; + vr=(gauss[vl]*(int)gval0) >> 15; + vr+=(gauss[vl+1]*gval(1)) >> 15; + vr+=(gauss[vl+2]*gval(2)) >> 15; + vr+=(gauss[vl+3]*gval(3)) >> 15; + fa = vr; } break; //--------------------------------------------------// case 1: // simple interpolation |