mirror of
https://github.com/claunia/cuetools.net.git
synced 2025-12-16 18:14:25 +00:00
CUETools.DSP.Mixer: split classes into separate files.
This commit is contained in:
karamanolev
11
CUETools.DSP.Mixer/AudioReadEventArgs.cs
Normal file
11
CUETools.DSP.Mixer/AudioReadEventArgs.cs
Normal file
@@ -0,0 +1,11 @@
|
||||
using System;
|
||||
using CUETools.Codecs;
|
||||
|
||||
namespace CUETools.DSP.Mixer
|
||||
{
|
||||
public class AudioReadEventArgs : EventArgs
|
||||
{
|
||||
public IAudioSource source;
|
||||
public AudioBuffer buffer;
|
||||
}
|
||||
}
|
||||
@@ -57,7 +57,10 @@
|
||||
<Reference Include="System.Xml" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<Compile Include="Mixer.cs" />
|
||||
<Compile Include="AudioReadEventArgs.cs" />
|
||||
<Compile Include="MixingBuffer.cs" />
|
||||
<Compile Include="MixingSource.cs" />
|
||||
<Compile Include="MixingWriter.cs" />
|
||||
<Compile Include="Properties\AssemblyInfo.cs" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
|
||||
@@ -1,378 +0,0 @@
|
||||
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[] buf;
|
||||
bool[] playing;
|
||||
float[] volume;
|
||||
long samplePos;
|
||||
int size;
|
||||
AudioReadEventArgs audioReadArgs = new AudioReadEventArgs();
|
||||
|
||||
public event EventHandler<AudioReadEventArgs> AudioRead;
|
||||
|
||||
public MixingSource(AudioPCMConfig pcm, int delay, int sources)
|
||||
{
|
||||
if (pcm.BitsPerSample != 32)
|
||||
throw new NotSupportedException("please use 32 bits per sample (float)");
|
||||
this.pcm = pcm;
|
||||
this.size = delay * pcm.SampleRate / 1000;
|
||||
this.buf = new MixingBuffer[2];
|
||||
this.buf[0] = new MixingBuffer(pcm, size, sources);
|
||||
this.buf[1] = 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 (mixbuff.filled[iSource])
|
||||
sumVolume += mixbuff.volume[iSource];
|
||||
for (int iSource = 0; iSource < mixbuff.source.Length; iSource++)
|
||||
volume[iSource] = mixbuff.filled[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;
|
||||
|
||||
if (AudioRead != null)
|
||||
{
|
||||
audioReadArgs.source = this;
|
||||
audioReadArgs.buffer = result;
|
||||
AudioRead(this, audioReadArgs);
|
||||
}
|
||||
|
||||
return result.Length;
|
||||
}
|
||||
|
||||
public string Path { get { return ""; } }
|
||||
|
||||
public int BufferSize
|
||||
{
|
||||
get
|
||||
{
|
||||
return buf[0].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;
|
||||
}
|
||||
|
||||
int current = 0;
|
||||
|
||||
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]));
|
||||
int no = current;
|
||||
while (!IsFilled(buf[no]))
|
||||
Monitor.Wait(this);
|
||||
current = 1 - no;
|
||||
return buf[no];
|
||||
}
|
||||
}
|
||||
|
||||
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] || buf[current].filled[iSource])
|
||||
Monitor.Wait(this);
|
||||
|
||||
return buf[current];
|
||||
}
|
||||
}
|
||||
|
||||
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 object Settings
|
||||
{
|
||||
get
|
||||
{
|
||||
return null;
|
||||
}
|
||||
set
|
||||
{
|
||||
if (value != null && value.GetType() != typeof(object))
|
||||
throw new Exception("Unsupported options " + value);
|
||||
}
|
||||
}
|
||||
|
||||
public long Padding
|
||||
{
|
||||
set { }
|
||||
}
|
||||
|
||||
public AudioPCMConfig PCM
|
||||
{
|
||||
get { return mixer.PCM; }
|
||||
}
|
||||
|
||||
public float Volume
|
||||
{
|
||||
get
|
||||
{
|
||||
return volume;
|
||||
}
|
||||
set
|
||||
{
|
||||
volume = value;
|
||||
}
|
||||
}
|
||||
|
||||
public void Pause()
|
||||
{
|
||||
mixer.LockEmptyBuffer(iSource);
|
||||
}
|
||||
|
||||
public void Flush()
|
||||
{
|
||||
if (mixbuff != null)
|
||||
{
|
||||
if (mixbuff.source[iSource].Length < mixbuff.source[iSource].Size)
|
||||
AudioSamples.MemSet(mixbuff.source[iSource].Bytes, 0, mixbuff.source[iSource].Length * PCM.BlockAlign, (mixbuff.source[iSource].Size - mixbuff.source[iSource].Length) * PCM.BlockAlign);
|
||||
mixer.UnlockEmptyBuffer(mixbuff, iSource, volume);
|
||||
mixbuff = null;
|
||||
}
|
||||
}
|
||||
|
||||
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.Float, buff_offs * bs, mixbuff.source[iSource].Float, 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 ""; } }
|
||||
}
|
||||
|
||||
public class AudioReadEventArgs: EventArgs
|
||||
{
|
||||
public IAudioSource source;
|
||||
public AudioBuffer buffer;
|
||||
}
|
||||
}
|
||||
22
CUETools.DSP.Mixer/MixingBuffer.cs
Normal file
22
CUETools.DSP.Mixer/MixingBuffer.cs
Normal file
@@ -0,0 +1,22 @@
|
||||
using CUETools.Codecs;
|
||||
|
||||
namespace CUETools.DSP.Mixer
|
||||
{
|
||||
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);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
205
CUETools.DSP.Mixer/MixingSource.cs
Normal file
205
CUETools.DSP.Mixer/MixingSource.cs
Normal file
@@ -0,0 +1,205 @@
|
||||
using System;
|
||||
using System.Threading;
|
||||
using CUETools.Codecs;
|
||||
|
||||
namespace CUETools.DSP.Mixer
|
||||
{
|
||||
public class MixingSource : IAudioSource
|
||||
{
|
||||
private AudioPCMConfig pcm;
|
||||
private MixingBuffer[] buf;
|
||||
private bool[] playing;
|
||||
private float[] volume;
|
||||
private long samplePos;
|
||||
private int size;
|
||||
private AudioReadEventArgs audioReadArgs = new AudioReadEventArgs();
|
||||
private MixingBuffer mixbuff = null;
|
||||
private int mixoffs = 0;
|
||||
private int current = 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; }
|
||||
}
|
||||
|
||||
public string Path { get { return ""; } }
|
||||
|
||||
public int BufferSize
|
||||
{
|
||||
get
|
||||
{
|
||||
return buf[0].source[0].Size;
|
||||
}
|
||||
}
|
||||
|
||||
public MixingSource(AudioPCMConfig pcm, int delay, int sources)
|
||||
{
|
||||
if (pcm.BitsPerSample != 32)
|
||||
throw new NotSupportedException("please use 32 bits per sample (float)");
|
||||
this.pcm = pcm;
|
||||
this.size = delay * pcm.SampleRate / 1000;
|
||||
this.buf = new MixingBuffer[2];
|
||||
this.buf[0] = new MixingBuffer(pcm, size, sources);
|
||||
this.buf[1] = new MixingBuffer(pcm, size, sources);
|
||||
this.playing = new bool[sources];
|
||||
this.volume = new float[sources];
|
||||
this.samplePos = 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 (mixbuff.filled[iSource])
|
||||
sumVolume += mixbuff.volume[iSource];
|
||||
for (int iSource = 0; iSource < mixbuff.source.Length; iSource++)
|
||||
volume[iSource] = mixbuff.filled[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;
|
||||
|
||||
if (AudioRead != null)
|
||||
{
|
||||
audioReadArgs.source = this;
|
||||
audioReadArgs.buffer = result;
|
||||
AudioRead(this, audioReadArgs);
|
||||
}
|
||||
|
||||
return result.Length;
|
||||
}
|
||||
|
||||
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]));
|
||||
int no = current;
|
||||
while (!IsFilled(buf[no]))
|
||||
Monitor.Wait(this);
|
||||
current = 1 - no;
|
||||
return buf[no];
|
||||
}
|
||||
}
|
||||
|
||||
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] || buf[current].filled[iSource])
|
||||
Monitor.Wait(this);
|
||||
|
||||
return buf[current];
|
||||
}
|
||||
}
|
||||
|
||||
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 event EventHandler<AudioReadEventArgs> AudioRead;
|
||||
}
|
||||
}
|
||||
130
CUETools.DSP.Mixer/MixingWriter.cs
Normal file
130
CUETools.DSP.Mixer/MixingWriter.cs
Normal file
@@ -0,0 +1,130 @@
|
||||
using System;
|
||||
using CUETools.Codecs;
|
||||
|
||||
namespace CUETools.DSP.Mixer
|
||||
{
|
||||
public class MixingWriter : IAudioDest
|
||||
{
|
||||
private MixingSource mixer;
|
||||
private int iSource;
|
||||
private long samplePos;
|
||||
private MixingBuffer mixbuff;
|
||||
private float volume;
|
||||
|
||||
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 object Settings
|
||||
{
|
||||
get
|
||||
{
|
||||
return null;
|
||||
}
|
||||
set
|
||||
{
|
||||
if (value != null && value.GetType() != typeof(object))
|
||||
throw new Exception("Unsupported options " + value);
|
||||
}
|
||||
}
|
||||
|
||||
public long Padding
|
||||
{
|
||||
set { }
|
||||
}
|
||||
|
||||
public AudioPCMConfig PCM
|
||||
{
|
||||
get { return mixer.PCM; }
|
||||
}
|
||||
|
||||
public float Volume
|
||||
{
|
||||
get { return volume; }
|
||||
set { volume = value; }
|
||||
}
|
||||
|
||||
public string Path { get { return ""; } }
|
||||
|
||||
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 void Pause()
|
||||
{
|
||||
mixer.LockEmptyBuffer(iSource);
|
||||
}
|
||||
|
||||
public void Flush()
|
||||
{
|
||||
if (mixbuff != null)
|
||||
{
|
||||
if (mixbuff.source[iSource].Length < mixbuff.source[iSource].Size)
|
||||
AudioSamples.MemSet(mixbuff.source[iSource].Bytes, 0, mixbuff.source[iSource].Length * PCM.BlockAlign, (mixbuff.source[iSource].Size - mixbuff.source[iSource].Length) * PCM.BlockAlign);
|
||||
mixer.UnlockEmptyBuffer(mixbuff, iSource, volume);
|
||||
mixbuff = null;
|
||||
}
|
||||
}
|
||||
|
||||
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.Float, buff_offs * bs, mixbuff.source[iSource].Float, 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;
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user