ShuriZma
/
BizHawk
mirror of https://github.com/TASEmulators/BizHawk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

minor beautification of DCFilter.cs

This commit is contained in:
nattthebear 2016-12-11 13:20:04 -05:00
parent 3be1502b6b
commit afc19affac
1 changed files with 15 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
BizHawk.Emulation.Common/Sound/Utilities/DCFilter.cs
View File

@ -9,12 +9,12 @@ namespace BizHawk.Emulation.Common
{
private ISoundProvider _soundProvider;
private int latchL = 0;
private int latchR = 0;
private int accumL = 0;
private int accumR = 0;
private int _latchL = 0;
private int _latchR = 0;
private int _accumL = 0;
private int _accumR = 0;
private int depth;
private readonly int _depth;
private static int DepthFromFilterwidth(int filterwidth)
{
@ -39,7 +39,7 @@ namespace BizHawk.Emulation.Common
throw new ArgumentOutOfRangeException();
}
depth = DepthFromFilterwidth(filterwidth);
_depth = DepthFromFilterwidth(filterwidth);
_soundProvider = input;
}
@ -52,7 +52,7 @@ namespace BizHawk.Emulation.Common
throw new ArgumentOutOfRangeException();
}
depth = DepthFromFilterwidth(filterwidth);
_depth = DepthFromFilterwidth(filterwidth);
_soundProvider = null;
}
@ -73,15 +73,15 @@ namespace BizHawk.Emulation.Common
{
int L = samplesin[i] << 12;
int R = samplesin[i + 1] << 12;
accumL -= accumL >> depth;
accumR -= accumR >> depth;
accumL += L - latchL;
accumR += R - latchR;
latchL = L;
latchR = R;
_accumL -= _accumL >> _depth;
_accumR -= _accumR >> _depth;
_accumL += L - _latchL;
_accumR += R - _latchR;
_latchL = L;
_latchR = R;
int bigL = accumL >> 12;
int bigR = accumR >> 12;
int bigL = _accumL >> 12;
int bigR = _accumR >> 12;
// check for clipping
if (bigL > 32767)
samplesout[i] = 32767;