sydney/EqualizerAPO
1
0 Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Improved: Switched to stricter code formatter (Uncrustify) for better consistency across all source files.

Browse Source
This commit is contained in:
jthedering committed 2015-11-23 21:17:34 +00:00
1 parent a1be4cc70f
commit 57e8158efd
202 files changed
+4595 -4284
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

filters/IIRFilter.cpp
+33 -33
View File
@@ -1,20 +1,20 @@
/*
This file is part of EqualizerAPO, a system-wide equalizer.
Copyright (C) 2014 Jonas Thedering
This file is part of EqualizerAPO, a system-wide equalizer.
Copyright (C) 2014 Jonas Thedering
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "stdafx.h"
@@ -33,12 +33,12 @@ IIRFilter::IIRFilter(const vector<double>& coefficients)
x = NULL;
y = NULL;
double a0 = coefficients[order+1];
double a0 = coefficients[order + 1];
b0 = coefficients[0] / a0;
for(unsigned i=0; i<order; i++)
for (unsigned i = 0; i < order; i++)
{
b[i] = coefficients[i+1] / a0;
a[i] = -coefficients[i+order+2] / a0;
b[i] = coefficients[i + 1] / a0;
a[i] = -coefficients[i + order + 2] / a0;
}
}
@@ -47,9 +47,9 @@ IIRFilter::~IIRFilter()
MemoryHelper::free(a);
MemoryHelper::free(b);
if(x != NULL)
if (x != NULL)
MemoryHelper::free(x);
if(y != NULL)
if (y != NULL)
MemoryHelper::free(y);
}
@@ -57,9 +57,9 @@ vector<wstring> IIRFilter::initialize(float sampleRate, unsigned maxFrameCount,
{
channelCount = (unsigned)channelNames.size();
if(x != NULL)
if (x != NULL)
MemoryHelper::free(x);
if(y != NULL)
if (y != NULL)
MemoryHelper::free(y);
x = (double*)MemoryHelper::alloc(order * channelCount * sizeof(double));
@@ -73,31 +73,31 @@ vector<wstring> IIRFilter::initialize(float sampleRate, unsigned maxFrameCount,
#pragma AVRT_CODE_BEGIN
void IIRFilter::process(float** output, float** input, unsigned frameCount)
{
for(unsigned i=0; i<channelCount; i++)
for (unsigned i = 0; i < channelCount; i++)
{
float* inputChannel = input[i];
float* outputChannel = output[i];
unsigned channelOffset = i*order;
double* xo = x+channelOffset;
double* yo = y+channelOffset;
for(unsigned j=0; j<frameCount; j++)
unsigned channelOffset = i * order;
double* xo = x + channelOffset;
double* yo = y + channelOffset;
for (unsigned j = 0; j < frameCount; j++)
{
double sample = inputChannel[j];
double sum = b0 * sample;
for(unsigned k=order-1; k>0; k--)
for (unsigned k = order - 1; k > 0; k--)
{
sum += b[k] * xo[k];
xo[k] = xo[k-1];
xo[k] = xo[k - 1];
}
sum += b[0] * xo[0];
for(unsigned k=order-1; k>0; k--)
for (unsigned k = order - 1; k > 0; k--)
{
sum += a[k] * yo[k];
yo[k] = yo[k-1];
yo[k] = yo[k - 1];
}
sum += a[0] * yo[0];
@@ -109,11 +109,11 @@ void IIRFilter::process(float** output, float** input, unsigned frameCount)
}
}
for(unsigned i=0; i<channelCount*order; i++)
for (unsigned i = 0; i < channelCount * order; i++)
{
if(IS_DENORMAL(x[i]))
if (IS_DENORMAL(x[i]))
x[i] = 0.0;
if(IS_DENORMAL(y[i]))
if (IS_DENORMAL(y[i]))
y[i] = 0.0;
}
}