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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
Normal file
@@ -0,0 +1,56 @@
|
|||||||
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||||
|
<PropertyGroup>
|
||||||
|
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
|
||||||
|
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
|
||||||
|
<ProductVersion>9.0.30729</ProductVersion>
|
||||||
|
<SchemaVersion>2.0</SchemaVersion>
|
||||||
|
<ProjectGuid>{AFF1AFF9-839D-4892-88CD-8BD09BAFC1D2}</ProjectGuid>
|
||||||
|
<OutputType>Library</OutputType>
|
||||||
|
<AppDesignerFolder>Properties</AppDesignerFolder>
|
||||||
|
<RootNamespace>CUETools.DSP.Mixer</RootNamespace>
|
||||||
|
<AssemblyName>CUETools.DSP.Mixer</AssemblyName>
|
||||||
|
<TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
|
||||||
|
<FileAlignment>512</FileAlignment>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
|
||||||
|
<DebugSymbols>true</DebugSymbols>
|
||||||
|
<DebugType>full</DebugType>
|
||||||
|
<Optimize>false</Optimize>
|
||||||
|
<OutputPath>..\bin\Debug\</OutputPath>
|
||||||
|
<DefineConstants>DEBUG;TRACE</DefineConstants>
|
||||||
|
<ErrorReport>prompt</ErrorReport>
|
||||||
|
<WarningLevel>4</WarningLevel>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
|
||||||
|
<DebugType>pdbonly</DebugType>
|
||||||
|
<Optimize>true</Optimize>
|
||||||
|
<OutputPath>..\bin\Release\</OutputPath>
|
||||||
|
<DefineConstants>TRACE</DefineConstants>
|
||||||
|
<ErrorReport>prompt</ErrorReport>
|
||||||
|
<WarningLevel>4</WarningLevel>
|
||||||
|
</PropertyGroup>
|
||||||
|
<ItemGroup>
|
||||||
|
<Reference Include="System" />
|
||||||
|
<Reference Include="System.Data" />
|
||||||
|
<Reference Include="System.Xml" />
|
||||||
|
</ItemGroup>
|
||||||
|
<ItemGroup>
|
||||||
|
<Compile Include="Mixer.cs" />
|
||||||
|
<Compile Include="Properties\AssemblyInfo.cs" />
|
||||||
|
</ItemGroup>
|
||||||
|
<ItemGroup>
|
||||||
|
<ProjectReference Include="..\CUETools.Codecs\CUETools.Codecs.csproj">
|
||||||
|
<Project>{6458A13A-30EF-45A9-9D58-E5031B17BEE2}</Project>
|
||||||
|
<Name>CUETools.Codecs</Name>
|
||||||
|
</ProjectReference>
|
||||||
|
</ItemGroup>
|
||||||
|
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
|
||||||
|
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
|
||||||
|
Other similar extension points exist, see Microsoft.Common.targets.
|
||||||
|
<Target Name="BeforeBuild">
|
||||||
|
</Target>
|
||||||
|
<Target Name="AfterBuild">
|
||||||
|
</Target>
|
||||||
|
-->
|
||||||
|
</Project>
|
||||||
335
CUETools.DSP.Mixer/Mixer.cs
Normal file
335
CUETools.DSP.Mixer/Mixer.cs
Normal file
@@ -0,0 +1,335 @@
|
|||||||
|
using System;
|
||||||
|
using System.Collections.Generic;
|
||||||
|
using System.Text;
|
||||||
|
using System.Threading;
|
||||||
|
using System.Diagnostics;
|
||||||
|
using CUETools.Codecs;
|
||||||
|
|
||||||
|
namespace CUETools.DSP.Mixer
|
||||||
|
{
|
||||||
|
public class MixingSource : IAudioSource
|
||||||
|
{
|
||||||
|
AudioPCMConfig pcm;
|
||||||
|
MixingBuffer buf0;
|
||||||
|
MixingBuffer buf1;
|
||||||
|
bool[] playing;
|
||||||
|
float[] volume;
|
||||||
|
long samplePos;
|
||||||
|
int size;
|
||||||
|
|
||||||
|
public MixingSource(AudioPCMConfig pcm, int delay, int sources)
|
||||||
|
{
|
||||||
|
this.pcm = pcm;
|
||||||
|
this.size = delay * pcm.SampleRate / 1000;
|
||||||
|
this.buf0 = new MixingBuffer(pcm, size, sources);
|
||||||
|
this.buf1 = new MixingBuffer(pcm, size, sources);
|
||||||
|
this.playing = new bool[sources];
|
||||||
|
this.volume = new float[sources];
|
||||||
|
this.samplePos = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
public void Close()
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
public long Position
|
||||||
|
{
|
||||||
|
get
|
||||||
|
{
|
||||||
|
return samplePos;
|
||||||
|
}
|
||||||
|
set
|
||||||
|
{
|
||||||
|
throw new NotSupportedException();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public long Length
|
||||||
|
{
|
||||||
|
get
|
||||||
|
{
|
||||||
|
throw new NotSupportedException();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public long Remaining
|
||||||
|
{
|
||||||
|
get
|
||||||
|
{
|
||||||
|
throw new NotSupportedException();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public AudioPCMConfig PCM
|
||||||
|
{
|
||||||
|
get
|
||||||
|
{
|
||||||
|
return pcm;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
MixingBuffer mixbuff = null;
|
||||||
|
int mixoffs = 0;
|
||||||
|
|
||||||
|
public int Read(AudioBuffer result, int maxLength)
|
||||||
|
{
|
||||||
|
if (maxLength > (BufferSize - mixoffs) || maxLength < 0)
|
||||||
|
maxLength = (BufferSize - mixoffs);
|
||||||
|
|
||||||
|
result.Prepare(maxLength);
|
||||||
|
|
||||||
|
if (mixbuff == null)
|
||||||
|
mixbuff = LockFilledBuffer();
|
||||||
|
|
||||||
|
float sumVolume = 0.0f;
|
||||||
|
for (int iSource = 0; iSource < mixbuff.source.Length; iSource++)
|
||||||
|
if (playing[iSource])
|
||||||
|
sumVolume += mixbuff.volume[iSource];
|
||||||
|
for (int iSource = 0; iSource < mixbuff.source.Length; iSource++)
|
||||||
|
volume[iSource] = playing[iSource] ? mixbuff.volume[iSource] / Math.Max(1.0f, sumVolume) : 0.0f;
|
||||||
|
for (int iSmp = 0; iSmp < result.Length; iSmp++)
|
||||||
|
{
|
||||||
|
for (int iChan = 0; iChan < result.PCM.ChannelCount; iChan++)
|
||||||
|
{
|
||||||
|
float sample = 0.0f;
|
||||||
|
for (int iSource = 0; iSource < mixbuff.source.Length; iSource++)
|
||||||
|
sample += mixbuff.source[iSource].Float[mixoffs + iSmp, iChan] * volume[iSource];
|
||||||
|
result.Float[iSmp, iChan] = sample;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
mixoffs += result.Length;
|
||||||
|
if (mixoffs == BufferSize)
|
||||||
|
{
|
||||||
|
UnlockFilledBuffer(mixbuff);
|
||||||
|
mixbuff = null;
|
||||||
|
mixoffs = 0;
|
||||||
|
}
|
||||||
|
samplePos += result.Length;
|
||||||
|
return result.Length;
|
||||||
|
}
|
||||||
|
|
||||||
|
public string Path { get { return ""; } }
|
||||||
|
|
||||||
|
public int BufferSize
|
||||||
|
{
|
||||||
|
get
|
||||||
|
{
|
||||||
|
return buf0.source[0].Size;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private bool IsFilled(MixingBuffer buf)
|
||||||
|
{
|
||||||
|
bool res = true;
|
||||||
|
for (int i = 0; i < buf.filled.Length; i++)
|
||||||
|
res &= buf.filled[i] || !this.playing[i];
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
internal MixingBuffer LockFilledBuffer()
|
||||||
|
{
|
||||||
|
lock (this)
|
||||||
|
{
|
||||||
|
//Trace.WriteLine(string.Format("LockFilledBuffer: 0.0: {0} {1}; 0.1: {2} {3}; 1.0: {4} {5}; 1.1: {6} {7};",
|
||||||
|
// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1],
|
||||||
|
// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1]));
|
||||||
|
while (!IsFilled(buf0) && !IsFilled(buf1))
|
||||||
|
Monitor.Wait(this);
|
||||||
|
return IsFilled(buf0) ? buf0 : buf1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
internal void UnlockFilledBuffer(MixingBuffer mixbuff)
|
||||||
|
{
|
||||||
|
lock (this)
|
||||||
|
{
|
||||||
|
//Trace.WriteLine(string.Format("UnockFilledBuffer: 0.0: {0} {1}; 0.1: {2} {3}; 1.0: {4} {5}; 1.1: {6} {7};",
|
||||||
|
// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1],
|
||||||
|
// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1]));
|
||||||
|
for (int i = 0; i < mixbuff.filled.Length; i++)
|
||||||
|
mixbuff.filled[i] = false;
|
||||||
|
Monitor.PulseAll(this);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public void BufferPlaying(int iSource, bool playing)
|
||||||
|
{
|
||||||
|
lock (this)
|
||||||
|
{
|
||||||
|
//Trace.WriteLine(string.Format("BufferPlaying{8}< 0.0: {0} {1}; 0.1: {2} {3}; 1.0: {4} {5}; 1.1: {6} {7};",
|
||||||
|
// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1],
|
||||||
|
// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1], iSource));
|
||||||
|
|
||||||
|
this.playing[iSource] = playing;
|
||||||
|
//if (!playing) buf0.filled[iSource] = false;
|
||||||
|
//if (!playing) buf1.filled[iSource] = false;
|
||||||
|
|
||||||
|
//Trace.WriteLine(string.Format("BufferPlaying{8}> 0.0: {0} {1}; 0.1: {2} {3}; 1.0: {4} {5}; 1.1: {6} {7};",
|
||||||
|
// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1],
|
||||||
|
// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1], iSource));
|
||||||
|
Monitor.PulseAll(this);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
internal MixingBuffer LockEmptyBuffer(int iSource)
|
||||||
|
{
|
||||||
|
lock (this)
|
||||||
|
{
|
||||||
|
//Trace.WriteLine(string.Format("LockEmptyBuffer{8}: 0.0: {0} {1}; 0.1: {2} {3}; 1.0: {4} {5}; 1.1: {6} {7};",
|
||||||
|
// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1],
|
||||||
|
// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1], iSource));
|
||||||
|
|
||||||
|
while (!playing[iSource] || (buf0.filled[iSource] && buf1.filled[iSource]))
|
||||||
|
Monitor.Wait(this);
|
||||||
|
|
||||||
|
return !buf0.filled[iSource] ? buf0 : buf1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
internal void UnlockEmptyBuffer(MixingBuffer mixbuff, int iSource, float volume)
|
||||||
|
{
|
||||||
|
lock (this)
|
||||||
|
{
|
||||||
|
//Trace.WriteLine(string.Format("UnlockEmptyBuffer{8}< 0.0: {0} {1}; 0.1: {2} {3}; 1.0: {4} {5}; 1.1: {6} {7};",
|
||||||
|
// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1],
|
||||||
|
// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1], iSource));
|
||||||
|
|
||||||
|
mixbuff.volume[iSource] = volume;
|
||||||
|
mixbuff.filled[iSource] = true;
|
||||||
|
|
||||||
|
//Trace.WriteLine(string.Format("UnlockEmptyBuffer{8}> 0.0: {0} {1}; 0.1: {2} {3}; 1.0: {4} {5}; 1.1: {6} {7};",
|
||||||
|
// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1],
|
||||||
|
// buf0.playing[0], buf0.filled[0], buf0.playing[1], buf0.filled[1], iSource));
|
||||||
|
|
||||||
|
Monitor.PulseAll(this);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public class MixingBuffer
|
||||||
|
{
|
||||||
|
public AudioBuffer[] source;
|
||||||
|
public float[] volume;
|
||||||
|
public bool[] filled;
|
||||||
|
|
||||||
|
public MixingBuffer(AudioPCMConfig pcm, int size, int sources)
|
||||||
|
{
|
||||||
|
source = new AudioBuffer[sources];
|
||||||
|
volume = new float[sources];
|
||||||
|
filled = new bool[sources];
|
||||||
|
for (int i = 0; i < sources; i++)
|
||||||
|
source[i] = new AudioBuffer(pcm, size);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public class MixingWriter : IAudioDest
|
||||||
|
{
|
||||||
|
private MixingSource mixer;
|
||||||
|
private int iSource;
|
||||||
|
private long samplePos;
|
||||||
|
private MixingBuffer mixbuff;
|
||||||
|
private float volume;
|
||||||
|
|
||||||
|
public MixingWriter(MixingSource mixer, int iSource)
|
||||||
|
{
|
||||||
|
this.mixer = mixer;
|
||||||
|
this.iSource = iSource;
|
||||||
|
this.samplePos = 0;
|
||||||
|
this.mixbuff = null;
|
||||||
|
this.volume = 1.0f;
|
||||||
|
}
|
||||||
|
|
||||||
|
public void Close()
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
public void Delete()
|
||||||
|
{
|
||||||
|
Close();
|
||||||
|
}
|
||||||
|
|
||||||
|
public long Position
|
||||||
|
{
|
||||||
|
get { return samplePos; }
|
||||||
|
set { throw new NotSupportedException(); }
|
||||||
|
}
|
||||||
|
|
||||||
|
public long FinalSampleCount
|
||||||
|
{
|
||||||
|
set { throw new NotSupportedException(); }
|
||||||
|
}
|
||||||
|
|
||||||
|
public long BlockSize
|
||||||
|
{
|
||||||
|
set { throw new NotSupportedException(); }
|
||||||
|
}
|
||||||
|
|
||||||
|
public int CompressionLevel
|
||||||
|
{
|
||||||
|
get { return 0; }
|
||||||
|
set { throw new NotSupportedException(); }
|
||||||
|
}
|
||||||
|
|
||||||
|
public string Options
|
||||||
|
{
|
||||||
|
set
|
||||||
|
{
|
||||||
|
if (value == null || value == "") return;
|
||||||
|
throw new NotSupportedException("Unsupported options " + value);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public AudioPCMConfig PCM
|
||||||
|
{
|
||||||
|
get { return mixer.PCM; }
|
||||||
|
}
|
||||||
|
|
||||||
|
public float Volume
|
||||||
|
{
|
||||||
|
get
|
||||||
|
{
|
||||||
|
return volume;
|
||||||
|
}
|
||||||
|
set
|
||||||
|
{
|
||||||
|
volume = value;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public void Pause()
|
||||||
|
{
|
||||||
|
mixer.LockEmptyBuffer(iSource);
|
||||||
|
}
|
||||||
|
|
||||||
|
public void Write(AudioBuffer buff)
|
||||||
|
{
|
||||||
|
int bs = PCM.BlockAlign;
|
||||||
|
int buff_offs = 0;
|
||||||
|
|
||||||
|
while (buff_offs < buff.Length)
|
||||||
|
{
|
||||||
|
if (mixbuff == null)
|
||||||
|
{
|
||||||
|
mixbuff = mixer.LockEmptyBuffer(iSource);
|
||||||
|
mixbuff.source[iSource].Prepare(-1);
|
||||||
|
mixbuff.source[iSource].Length = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int chunk = Math.Min(buff.Length - buff_offs, mixbuff.source[iSource].Size - mixbuff.source[iSource].Length);
|
||||||
|
Buffer.BlockCopy(buff.Bytes, buff_offs * bs, mixbuff.source[iSource].Bytes, mixbuff.source[iSource].Length * bs, chunk * bs);
|
||||||
|
mixbuff.source[iSource].Length += chunk;
|
||||||
|
buff_offs += chunk;
|
||||||
|
|
||||||
|
if (mixbuff.source[iSource].Length == mixbuff.source[iSource].Size)
|
||||||
|
{
|
||||||
|
mixer.UnlockEmptyBuffer(mixbuff, iSource, volume);
|
||||||
|
mixbuff = null;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
samplePos += buff.Length;
|
||||||
|
}
|
||||||
|
|
||||||
|
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 @@
|
|||||||
|
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