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Small refactorings in CUETools.DSP.Resampler.

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This commit is contained in:
karamanolev
2011-11-01 00:03:14 +00:00
parent a9ca6e2137
commit 18af0c595d
4 changed files with 22 additions and 32 deletions
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20
CUEPlayer/Output.cs
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@@ -1,17 +1,11 @@
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using NAudio.CoreAudioApi;
using System.Windows.Forms;
using CUETools.Codecs;
using CUETools.Codecs.CoreAudio;
using CUETools.DSP.Resampler;
using CUETools.DSP.Mixer;
using CUETools.Processor;
using CUETools.DSP.Resampler;
using NAudio.CoreAudioApi;
namespace CUEPlayer
{
@@ -80,10 +74,10 @@ namespace CUEPlayer
{
_player = new WasapiOut(_device, NAudio.CoreAudioApi.AudioClientShareMode.Shared, true, delay, new AudioPCMConfig(32, 2, 48000));
SOXResamplerConfig cfg;
cfg.quality = SOXResamplerQuality.Very;
cfg.phase = 50;
cfg.allow_aliasing = false;
cfg.bandwidth = 0;
cfg.Quality = SOXResamplerQuality.Very;
cfg.Phase = 50;
cfg.AllowAliasing = false;
cfg.Bandwidth = 0;
_resampler = new SOXResampler(parent.Mixer.PCM, _player.PCM, cfg);
resampled = new AudioBuffer(_player.PCM, parent.Mixer.BufferSize * 2 * parent.Mixer.PCM.SampleRate / _player.PCM.SampleRate);
}

8
CUETools.DSP.Resampler/SOXResampler.cs
View File

@@ -21,7 +21,7 @@ namespace CUETools.DSP.Resampler
if (inputPCM.ChannelCount != outputPCM.ChannelCount)
throw new NotSupportedException();
if (outputPCM.SampleRate == inputPCM.SampleRate * 4 && config.quality >= SOXResamplerQuality.Medium)
if (outputPCM.SampleRate == inputPCM.SampleRate * 4 && config.Quality >= SOXResamplerQuality.Medium)
{
this.rate = new rate_t[inputPCM.ChannelCount];
this.shared = new rate_shared_t();
@@ -31,9 +31,9 @@ namespace CUETools.DSP.Resampler
for (int i = 0; i < inputPCM.ChannelCount; i++)
{
rateUp2[i] = new rate_t(inputPCM.SampleRate, inputPCM.SampleRate * 2, sharedUp2, 0.5,
config.quality, -1, config.phase, config.bandwidth, config.allow_aliasing);
config.Quality, -1, config.Phase, config.Bandwidth, config.AllowAliasing);
rate[i] = new rate_t(inputPCM.SampleRate * 2, inputPCM.SampleRate * 4, shared, 0.5,
config.quality, -1, 50, 90, true);
config.Quality, -1, 50, 90, true);
}
}
else
@@ -44,7 +44,7 @@ namespace CUETools.DSP.Resampler
for (int i = 0; i < inputPCM.ChannelCount; i++)
{
rate[i] = new rate_t(inputPCM.SampleRate, outputPCM.SampleRate, shared, (double)inputPCM.SampleRate / outputPCM.SampleRate,
config.quality, -1, config.phase, config.bandwidth, config.allow_aliasing);
config.Quality, -1, config.Phase, config.Bandwidth, config.AllowAliasing);
}
}
}

8
CUETools.DSP.Resampler/SOXResamplerConfig.cs
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@@ -2,10 +2,10 @@
{
public struct SOXResamplerConfig
{
public double phase;
public double bandwidth;
public bool allow_aliasing;
public SOXResamplerQuality quality;
public double Phase;
public double Bandwidth;
public bool AllowAliasing;
public SOXResamplerQuality Quality;
/*double coef_interp; -- interpolation...*/
}
}

18
CUETools/CUETools.TestCodecs/SOXResamplerTest.cs
View File

@@ -1,12 +1,10 @@
using CUETools.DSP.Resampler;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System;
using CUETools.Codecs;
using System;
using CUETools.DSP.Resampler;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace CUETools.TestCodecs
{
/// <summary>
///This is a test class for SOXResamplerTest and is intended
///to contain all SOXResamplerTest Unit Tests
@@ -14,8 +12,6 @@ namespace CUETools.TestCodecs
[TestClass()]
public class SOXResamplerTest
{
private TestContext testContextInstance;
/// <summary>
@@ -74,10 +70,10 @@ namespace CUETools.TestCodecs
AudioPCMConfig inputPCM = new AudioPCMConfig(32, 1, 44100);
AudioPCMConfig outputPCM = new AudioPCMConfig(32, 1, 48000);
SOXResamplerConfig cfg;
cfg.quality = SOXResamplerQuality.Very;
cfg.phase = 50;
cfg.allow_aliasing = false;
cfg.bandwidth = 0;
cfg.Quality = SOXResamplerQuality.Very;
cfg.Phase = 50;
cfg.AllowAliasing = false;
cfg.Bandwidth = 0;
SOXResampler resampler = new SOXResampler(inputPCM, outputPCM, cfg);
AudioBuffer src = new AudioBuffer(inputPCM, 400 * inputPCM.SampleRate / 1000);
AudioBuffer dst = new AudioBuffer(outputPCM, src.Size * 3);