From: notaz <notasas@gmail.com>
Date: Wed, 5 Oct 2011 21:22:46 +0000 (+0300)
Subject: spu: make "simple" interpolation even more simple
X-Git-Tag: r10~12
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=76d1d09c1224af8d663ce63dc5b32425bd62cb29;p=pcsx_rearmed.git

spu: make "simple" interpolation even more simple

that division is not worth the quality increase it might give,
also sinc now can be 0 after resets, causing div0 fault.
---

diff --git a/plugins/dfsound/spu.c b/plugins/dfsound/spu.c
index b3bd0579..d7dc1b64 100644
--- a/plugins/dfsound/spu.c
+++ b/plugins/dfsound/spu.c
@@ -222,9 +222,10 @@ INLINE void InterpolateUp(int ch)
    s_chan[ch].SB[32]=0;
 
    s_chan[ch].SB[28]=(s_chan[ch].SB[28]*s_chan[ch].sinc)/0x20000L;
-   if(s_chan[ch].sinc<=0x8000)
-        s_chan[ch].SB[29]=s_chan[ch].SB[30]-(s_chan[ch].SB[28]*((0x10000/s_chan[ch].sinc)-1));
-   else s_chan[ch].SB[29]+=s_chan[ch].SB[28];
+   //if(s_chan[ch].sinc<=0x8000)
+   //     s_chan[ch].SB[29]=s_chan[ch].SB[30]-(s_chan[ch].SB[28]*((0x10000/s_chan[ch].sinc)-1));
+   //else
+   s_chan[ch].SB[29]+=s_chan[ch].SB[28];
   }
  else                                                  // no flags? add bigger val (if possible), calc smaller step, set flag1
   s_chan[ch].SB[29]+=s_chan[ch].SB[28];