mirror of
https://github.com/claunia/cuetools.net.git
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This commit is contained in:
chudov
56
CUETools.DSP.Mixer/CUETools.DSP.Mixer.csproj
Normal file
56
CUETools.DSP.Mixer/CUETools.DSP.Mixer.csproj
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@@ -0,0 +1,56 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProductVersion>9.0.30729</ProductVersion>
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<SchemaVersion>2.0</SchemaVersion>
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<ProjectGuid>{AFF1AFF9-839D-4892-88CD-8BD09BAFC1D2}</ProjectGuid>
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<OutputType>Library</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>CUETools.DSP.Mixer</RootNamespace>
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<AssemblyName>CUETools.DSP.Mixer</AssemblyName>
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<TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>..\bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>..\bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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<Reference Include="System.Data" />
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<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Mixer.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\CUETools.Codecs\CUETools.Codecs.csproj">
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<Project>{6458A13A-30EF-45A9-9D58-E5031B17BEE2}</Project>
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<Name>CUETools.Codecs</Name>
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</ProjectReference>
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
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Other similar extension points exist, see Microsoft.Common.targets.
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<Target Name="BeforeBuild">
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</Target>
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<Target Name="AfterBuild">
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</Target>
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-->
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</Project>
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335
CUETools.DSP.Mixer/Mixer.cs
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335
CUETools.DSP.Mixer/Mixer.cs
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@@ -0,0 +1,335 @@
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Threading;
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using System.Diagnostics;
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using CUETools.Codecs;
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namespace CUETools.DSP.Mixer
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{
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public class MixingSource : IAudioSource
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{
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AudioPCMConfig pcm;
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MixingBuffer buf0;
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MixingBuffer buf1;
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bool[] playing;
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float[] volume;
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long samplePos;
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int size;
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public MixingSource(AudioPCMConfig pcm, int delay, int sources)
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{
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this.pcm = pcm;
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this.size = delay * pcm.SampleRate / 1000;
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this.buf0 = new MixingBuffer(pcm, size, sources);
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this.buf1 = new MixingBuffer(pcm, size, sources);
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this.playing = new bool[sources];
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this.volume = new float[sources];
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this.samplePos = 0;
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}
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public void Close()
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{
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}
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public long Position
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{
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get
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{
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return samplePos;
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}
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set
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{
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throw new NotSupportedException();
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}
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}
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public long Length
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{
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get
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{
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throw new NotSupportedException();
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}
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}
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public long Remaining
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{
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get
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{
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throw new NotSupportedException();
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}
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}
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public AudioPCMConfig PCM
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{
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get
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{
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return pcm;
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}
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}
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MixingBuffer mixbuff = null;
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int mixoffs = 0;
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public int Read(AudioBuffer result, int maxLength)
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{
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if (maxLength > (BufferSize - mixoffs) || maxLength < 0)
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maxLength = (BufferSize - mixoffs);
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result.Prepare(maxLength);
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if (mixbuff == null)
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mixbuff = LockFilledBuffer();
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float sumVolume = 0.0f;
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for (int iSource = 0; iSource < mixbuff.source.Length; iSource++)
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if (playing[iSource])
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sumVolume += mixbuff.volume[iSource];
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for (int iSource = 0; iSource < mixbuff.source.Length; iSource++)
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volume[iSource] = playing[iSource] ? mixbuff.volume[iSource] / Math.Max(1.0f, sumVolume) : 0.0f;
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for (int iSmp = 0; iSmp < result.Length; iSmp++)
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{
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for (int iChan = 0; iChan < result.PCM.ChannelCount; iChan++)
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{
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float sample = 0.0f;
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for (int iSource = 0; iSource < mixbuff.source.Length; iSource++)
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sample += mixbuff.source[iSource].Float[mixoffs + iSmp, iChan] * volume[iSource];
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result.Float[iSmp, iChan] = sample;
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}
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}
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mixoffs += result.Length;
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if (mixoffs == BufferSize)
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{
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UnlockFilledBuffer(mixbuff);
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mixbuff = null;
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mixoffs = 0;
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}
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samplePos += result.Length;
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return result.Length;
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}
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public string Path { get { return ""; } }
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public int BufferSize
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{
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get
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{
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return buf0.source[0].Size;
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}
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}
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private bool IsFilled(MixingBuffer buf)
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{
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bool res = true;
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for (int i = 0; i < buf.filled.Length; i++)
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res &= buf.filled[i] || !this.playing[i];
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return res;
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}
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internal MixingBuffer LockFilledBuffer()
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{
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lock (this)
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{
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//Trace.WriteLine(string.Format("LockFilledBuffer: 0.0: {0} {1}; 0.1: {2} {3}; 1.0: {4} {5}; 1.1: {6} {7};",
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// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1],
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// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1]));
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while (!IsFilled(buf0) && !IsFilled(buf1))
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Monitor.Wait(this);
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return IsFilled(buf0) ? buf0 : buf1;
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}
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}
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internal void UnlockFilledBuffer(MixingBuffer mixbuff)
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{
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lock (this)
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{
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//Trace.WriteLine(string.Format("UnockFilledBuffer: 0.0: {0} {1}; 0.1: {2} {3}; 1.0: {4} {5}; 1.1: {6} {7};",
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// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1],
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// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1]));
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for (int i = 0; i < mixbuff.filled.Length; i++)
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mixbuff.filled[i] = false;
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Monitor.PulseAll(this);
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}
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}
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public void BufferPlaying(int iSource, bool playing)
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{
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lock (this)
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{
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//Trace.WriteLine(string.Format("BufferPlaying{8}< 0.0: {0} {1}; 0.1: {2} {3}; 1.0: {4} {5}; 1.1: {6} {7};",
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// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1],
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// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1], iSource));
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this.playing[iSource] = playing;
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//if (!playing) buf0.filled[iSource] = false;
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//if (!playing) buf1.filled[iSource] = false;
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//Trace.WriteLine(string.Format("BufferPlaying{8}> 0.0: {0} {1}; 0.1: {2} {3}; 1.0: {4} {5}; 1.1: {6} {7};",
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// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1],
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// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1], iSource));
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Monitor.PulseAll(this);
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}
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}
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internal MixingBuffer LockEmptyBuffer(int iSource)
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{
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lock (this)
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{
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//Trace.WriteLine(string.Format("LockEmptyBuffer{8}: 0.0: {0} {1}; 0.1: {2} {3}; 1.0: {4} {5}; 1.1: {6} {7};",
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// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1],
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// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1], iSource));
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while (!playing[iSource] || (buf0.filled[iSource] && buf1.filled[iSource]))
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Monitor.Wait(this);
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return !buf0.filled[iSource] ? buf0 : buf1;
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}
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}
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internal void UnlockEmptyBuffer(MixingBuffer mixbuff, int iSource, float volume)
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{
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lock (this)
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{
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//Trace.WriteLine(string.Format("UnlockEmptyBuffer{8}< 0.0: {0} {1}; 0.1: {2} {3}; 1.0: {4} {5}; 1.1: {6} {7};",
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// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1],
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// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1], iSource));
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mixbuff.volume[iSource] = volume;
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mixbuff.filled[iSource] = true;
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//Trace.WriteLine(string.Format("UnlockEmptyBuffer{8}> 0.0: {0} {1}; 0.1: {2} {3}; 1.0: {4} {5}; 1.1: {6} {7};",
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// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1],
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// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1], iSource));
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Monitor.PulseAll(this);
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}
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}
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}
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public class MixingBuffer
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{
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public AudioBuffer[] source;
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public float[] volume;
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public bool[] filled;
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public MixingBuffer(AudioPCMConfig pcm, int size, int sources)
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{
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source = new AudioBuffer[sources];
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volume = new float[sources];
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filled = new bool[sources];
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for (int i = 0; i < sources; i++)
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source[i] = new AudioBuffer(pcm, size);
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}
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}
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public class MixingWriter : IAudioDest
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{
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private MixingSource mixer;
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private int iSource;
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private long samplePos;
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private MixingBuffer mixbuff;
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private float volume;
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public MixingWriter(MixingSource mixer, int iSource)
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{
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this.mixer = mixer;
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this.iSource = iSource;
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this.samplePos = 0;
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this.mixbuff = null;
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this.volume = 1.0f;
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}
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public void Close()
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{
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}
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public void Delete()
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{
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Close();
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}
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public long Position
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{
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get { return samplePos; }
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set { throw new NotSupportedException(); }
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}
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public long FinalSampleCount
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{
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set { throw new NotSupportedException(); }
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}
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public long BlockSize
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{
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set { throw new NotSupportedException(); }
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}
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public int CompressionLevel
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{
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get { return 0; }
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set { throw new NotSupportedException(); }
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}
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public string Options
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{
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set
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{
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if (value == null || value == "") return;
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throw new NotSupportedException("Unsupported options " + value);
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}
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}
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public AudioPCMConfig PCM
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{
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get { return mixer.PCM; }
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}
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public float Volume
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{
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get
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{
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return volume;
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}
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set
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{
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volume = value;
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}
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}
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public void Pause()
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{
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mixer.LockEmptyBuffer(iSource);
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}
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public void Write(AudioBuffer buff)
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{
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int bs = PCM.BlockAlign;
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int buff_offs = 0;
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while (buff_offs < buff.Length)
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{
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if (mixbuff == null)
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{
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mixbuff = mixer.LockEmptyBuffer(iSource);
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mixbuff.source[iSource].Prepare(-1);
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mixbuff.source[iSource].Length = 0;
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}
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int chunk = Math.Min(buff.Length - buff_offs, mixbuff.source[iSource].Size - mixbuff.source[iSource].Length);
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Buffer.BlockCopy(buff.Bytes, buff_offs * bs, mixbuff.source[iSource].Bytes, mixbuff.source[iSource].Length * bs, chunk * bs);
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mixbuff.source[iSource].Length += chunk;
|
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buff_offs += chunk;
|
||||
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if (mixbuff.source[iSource].Length == mixbuff.source[iSource].Size)
|
||||
{
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mixer.UnlockEmptyBuffer(mixbuff, iSource, volume);
|
||||
mixbuff = null;
|
||||
}
|
||||
}
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|
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samplePos += buff.Length;
|
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}
|
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|
||||
public string Path { get { return ""; } }
|
||||
}
|
||||
}
|
||||
36
CUETools.DSP.Mixer/Properties/AssemblyInfo.cs
Normal file
36
CUETools.DSP.Mixer/Properties/AssemblyInfo.cs
Normal file
@@ -0,0 +1,36 @@
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||||
using System.Reflection;
|
||||
using System.Runtime.CompilerServices;
|
||||
using System.Runtime.InteropServices;
|
||||
|
||||
// General Information about an assembly is controlled through the following
|
||||
// set of attributes. Change these attribute values to modify the information
|
||||
// associated with an assembly.
|
||||
[assembly: AssemblyTitle("CUETools.DSP.Mixer")]
|
||||
[assembly: AssemblyDescription("")]
|
||||
[assembly: AssemblyConfiguration("")]
|
||||
[assembly: AssemblyCompany("Microsoft")]
|
||||
[assembly: AssemblyProduct("CUETools.DSP.Mixer")]
|
||||
[assembly: AssemblyCopyright("Copyright © Microsoft 2010")]
|
||||
[assembly: AssemblyTrademark("")]
|
||||
[assembly: AssemblyCulture("")]
|
||||
|
||||
// Setting ComVisible to false makes the types in this assembly not visible
|
||||
// to COM components. If you need to access a type in this assembly from
|
||||
// COM, set the ComVisible attribute to true on that type.
|
||||
[assembly: ComVisible(false)]
|
||||
|
||||
// The following GUID is for the ID of the typelib if this project is exposed to COM
|
||||
[assembly: Guid("63ea1712-9776-4ebc-829e-6f2b41cfe3f2")]
|
||||
|
||||
// Version information for an assembly consists of the following four values:
|
||||
//
|
||||
// Major Version
|
||||
// Minor Version
|
||||
// Build Number
|
||||
// Revision
|
||||
//
|
||||
// You can specify all the values or you can default the Build and Revision Numbers
|
||||
// by using the '*' as shown below:
|
||||
// [assembly: AssemblyVersion("1.0.*")]
|
||||
[assembly: AssemblyVersion("1.0.0.0")]
|
||||
[assembly: AssemblyFileVersion("1.0.0.0")]
|
||||
Reference in New Issue
Block a user