public SoundPlayer(Control owner, PullAudio pullAudio, short channels)
{
_channels = channels;
_pullAudio = pullAudio;
_soundDevice = new Device();
_soundDevice.SetCooperativeLevel(owner, CooperativeLevel.Priority);
// Set up our wave format to 44,100Hz, with 16 bit resolution
var wf = new WaveFormat
{
FormatTag = WaveFormatTag.Pcm, SamplesPerSecond = 44100, BitsPerSample = 16, Channels = channels
};
wf.BlockAlign = (short)(wf.Channels * wf.BitsPerSample / 8);
wf.AverageBytesPerSecond = wf.SamplesPerSecond * wf.BlockAlign;
_samplesPerUpdate = 512;
// Create a buffer with 2 seconds of sample data
var bufferDesc = new BufferDescription(wf)
{
BufferBytes = _samplesPerUpdate * wf.BlockAlign * 2,
ControlPositionNotify = true,
GlobalFocus = true
};
_soundBuffer = new SecondaryBuffer(bufferDesc, _soundDevice);
var notify = new Notify(_soundBuffer);
_fillEvent[0] = new AutoResetEvent(false);
_fillEvent[1] = new AutoResetEvent(false);
// Set up two notification events, one at halfway, and one at the end of the buffer
var posNotify = new BufferPositionNotify[2];
posNotify[0] = new BufferPositionNotify
{
Offset = bufferDesc.BufferBytes / 2 - 1,
EventNotifyHandle = _fillEvent[0].SafeWaitHandle.DangerousGetHandle()
};
posNotify[1] = new BufferPositionNotify
{
Offset = bufferDesc.BufferBytes - 1,
EventNotifyHandle = _fillEvent[1].SafeWaitHandle.DangerousGetHandle()
};
notify.SetNotificationPositions(posNotify);
_thread = new Thread(SoundPlayback)
{
Priority = ThreadPriority.Highest
};
Pause();
_running = true;
_thread.Start();
}
protected void SetBufferEvents()
{
// Goal: To Send While Recording
// To Set The Buffer Size to get 200 milliseconds and divide it in half,
// so that when the first half is filled the data can be used to send,
// while the second half of the buffer is being filled with PCM Data
try
{
autoResetEvent = new AutoResetEvent(false); // To wait for notifications
notify = new Notify(captureBuffer); // The number of bytes that can trigger the notification event
// the first half
BufferPositionNotify bufferPositionNotify1 = new BufferPositionNotify(); // to describe the notification position
bufferPositionNotify1.Offset = bufferSize / 2 - 1; // (= At the Half of The Buffer) to know where the notify event will trigger
bufferPositionNotify1.EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle(); // Set The Event that will trigger after the offset reached
// the last half
BufferPositionNotify bufferPositionNotify2 = new BufferPositionNotify();
bufferPositionNotify2.Offset = bufferSize - 1; // (= At The Last Buffer)
bufferPositionNotify2.EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle();
notify.SetNotificationPositions(new BufferPositionNotify[] { bufferPositionNotify1, bufferPositionNotify2 }); // The Tow Positions (First & Last)
}
catch { }
}
private bool InitNotifications()
{
if (null == mRecBuffer)
{
MessageBox.Show("未创建录音缓冲区");
return(false);
}
// 创建一个通知事件,当缓冲队列满了就激发该事件.
mNotificationEvent = new AutoResetEvent(false);
// 创建一个线程管理缓冲区事件
if (null == mNotifyThread)
{
mNotifyThread = new Thread(new ThreadStart(WaitThread));
mNotifyThread.Start();
}
// 设定通知的位置
BufferPositionNotify[] PositionNotify = new BufferPositionNotify[cNotifyNum + 1];
for (int i = 0; i < cNotifyNum; i++)
{
PositionNotify[i].Offset = (mNotifySize * i) + mNotifySize - 1;
PositionNotify[i].EventNotifyHandle = mNotificationEvent.Handle;
}
mNotify = new Notify(mRecBuffer);
mNotify.SetNotificationPositions(PositionNotify, cNotifyNum);
return(true);
}
private void CreateNotifyPositions()
{
checked
{
try
{
autoResetEvent = new AutoResetEvent(false);
notify = new Notify(captureBuffer);
BufferPositionNotify bufferPositionNotify = new BufferPositionNotify();
bufferPositionNotify.Offset = (int)Math.Round(unchecked ((double)bufferSize / 2.0 - 1.0));
bufferPositionNotify.EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle();
BufferPositionNotify bufferPositionNotify2 = new BufferPositionNotify();
bufferPositionNotify2.Offset = bufferSize - 1;
bufferPositionNotify2.EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle();
notify.SetNotificationPositions(new BufferPositionNotify[2]
{
bufferPositionNotify,
bufferPositionNotify2
});
}
catch (Exception ex)
{
ProjectData.SetProjectError(ex);
Exception ex2 = ex;
ProjectData.ClearProjectError();
}
}
}
protected void SetBufferEvents()
{
// Отправлять данный во время записи
// установить размер буфера 200 милисекунд и разделить его на два,
// при заполнение первой части её мож использовать
// вторая половина будет заполняться данными
try
{
_eventToReset = new AutoResetEvent(false); // Ожидание уведомлений
_not = new Notify(_captureBuffer); // Количество байтов, которые могут инициировать событие уведомления
// первая часть
BufferPositionNotify bufferPositionNotify1 = new BufferPositionNotify(); // Для описания позиции уведомления
bufferPositionNotify1.Offset = _bufferSize / 2 - 1; // половине буфера, чтобы узнать, где будет происходить событие уведомления
bufferPositionNotify1.EventNotifyHandle = _eventToReset.SafeWaitHandle.DangerousGetHandle();
// вторая часть
BufferPositionNotify bufferPositionNotify2 = new BufferPositionNotify();
bufferPositionNotify2.Offset = _bufferSize - 1;
bufferPositionNotify2.EventNotifyHandle = _eventToReset.SafeWaitHandle.DangerousGetHandle();
_not.SetNotificationPositions(new BufferPositionNotify[] { bufferPositionNotify1, bufferPositionNotify2 });
}
catch { }
}
private void Initialize()
{
int hresult = NativeMethods.DirectSoundCreate(IntPtr.Zero, out _device, IntPtr.Zero);
if (hresult < 0)
{
Marshal.ThrowExceptionForHR(hresult);
}
_device.SetCooperativeLevel(_window, CooperativeLevel.Normal);
GCHandleHelpers.Pin(new WaveFormat(_sampleRate, _sampleChannels, _sampleBits), waveFormat =>
{
var description = new BufferDescription(BufferCapabilities.CtrlPositionNotify | BufferCapabilities.CtrlVolume, BlockCount * _sampleSize, waveFormat);
_device.CreateSoundBuffer(description, out _buffer, IntPtr.Zero);
});
ClearBuffer();
var positionEvents = new BufferPositionNotify[BlockCount]
{
new BufferPositionNotify(0 * _sampleSize, _position1Event), new BufferPositionNotify(1 * _sampleSize, _position2Event)
};
((IDirectSoundNotify)_buffer).SetNotificationPositions(positionEvents.Length, positionEvents);
_buffer.Play(0, 0, BufferPlay.Looping);
}
public StreamingSoundBuffer(Device device, WaveFormat format, ISoundDataProvider provider)
{
NextID++;
this.device = device;
this.provider = provider;
BufferDescription description = new BufferDescription(format);
description.BufferBytes = BufferSize;
description.ControlPositionNotify = true;
description.CanGetCurrentPosition = true;
description.ControlVolume = true;
description.LocateInHardware = false;
description.LocateInSoftware = true;
description.GlobalFocus = false;
description.StickyFocus = false;
try
{
buffer = new SecondaryBuffer(description, device);
buffer.SetCurrentPosition(0);
buffer.Volume = 0;
}
catch (Exception ex)
{
if (buffer != null)
{
buffer.Dispose();
}
throw new SoundSystemException(ex, "Failed to create SecondaryBuffer ID {0}.", NextID);
}
notifier = new Notify(buffer);
notifyEvent = new AutoResetEvent(false);
BufferPositionNotify[] notifications = new BufferPositionNotify[Notifications];
for (int i = 0; i < Notifications; i++)
{
if (notifyEvent.SafeWaitHandle.IsClosed || notifyEvent.SafeWaitHandle.IsInvalid)
{
throw new SoundSystemException("SecondaryBuffer ID {0} notifier handle was closed or invalid.", NextID);
}
else
{
notifications[i].EventNotifyHandle = notifyEvent.SafeWaitHandle.DangerousGetHandle();
notifications[i].Offset = SectorSize * i - 1;
}
}
notifier.SetNotificationPositions(notifications, Notifications);
data = provider.GetNextChunk();
FillData();
FillData(); // do this twice, to have a 370 or so ms lead, in case something were to happen
dataManager = new Thread(new ThreadStart(DataStream));
dataManager.Name = "Prometheus Sound Stream #" + NextID.ToString();
dataManager.Priority = ThreadPriority.AboveNormal;
dataManager.Start(); // must lock buffer from now on
}
public SoundPlayer(Control owner, PullAudio pullAudio, short channels)
{
this.channels = channels;
this.pullAudio = pullAudio;
this.soundDevice = new Device();
this.soundDevice.SetCooperativeLevel(owner, CooperativeLevel.Priority);
// Set up our wave format to 44,100Hz, with 16 bit resolution
WaveFormat wf = new WaveFormat();
wf.FormatTag = WaveFormatTag.Pcm;
wf.SamplesPerSecond = 44100;
wf.BitsPerSample = 16;
wf.Channels = channels;
wf.BlockAlign = (short)(wf.Channels * wf.BitsPerSample / 8);
wf.AverageBytesPerSecond = wf.SamplesPerSecond * wf.BlockAlign;
this.samplesPerUpdate = 512;
// Create a buffer with 2 seconds of sample data
BufferDescription bufferDesc = new BufferDescription(wf);
bufferDesc.BufferBytes = this.samplesPerUpdate * wf.BlockAlign * 2;
bufferDesc.ControlPositionNotify = true;
bufferDesc.GlobalFocus = true;
this.soundBuffer = new SecondaryBuffer(bufferDesc, this.soundDevice);
Notify notify = new Notify(this.soundBuffer);
fillEvent[0] = new AutoResetEvent(false);
fillEvent[1] = new AutoResetEvent(false);
// Set up two notification events, one at halfway, and one at the end of the buffer
BufferPositionNotify[] posNotify = new BufferPositionNotify[2];
posNotify[0] = new BufferPositionNotify();
posNotify[0].Offset = bufferDesc.BufferBytes / 2 - 1;
posNotify[0].EventNotifyHandle = fillEvent[0].Handle;
posNotify[1] = new BufferPositionNotify();
posNotify[1].Offset = bufferDesc.BufferBytes - 1;
posNotify[1].EventNotifyHandle = fillEvent[1].Handle;
notify.SetNotificationPositions(posNotify);
this.thread = new Thread(new ThreadStart(SoundPlayback));
this.thread.Priority = ThreadPriority.Highest;
this.Pause();
this.running = true;
this.thread.Start();
}
public DSoundPlayer(Control owner, PullAudio pullAudio, Qaryan.Audio.WaveFormat format)
{
this.pullAudio = pullAudio;
this.soundDevice = new Device();
this.soundDevice.SetCooperativeLevel(owner, CooperativeLevel.Normal);
// Set up our wave format to 44,100Hz, with 16 bit resolution
DirectSound.WaveFormat wf = ConvertWaveFormat(format);
// wf.FormatTag = DirectSound.WaveFormatTag.Pcm;
// wf.SamplesPerSecond = 44100;
// wf.BitsPerSample = 16;
// wf.Channels = channels;
// wf.BlockAlign = (short)(wf.Channels * wf.BitsPerSample / 8);
// wf.AverageBytesPerSecond = wf.SamplesPerSecond * wf.BlockAlign;
this.samplesPerUpdate = 1024;
// Create a buffer with 5 seconds of sample data
bufferDesc = new BufferDescription(wf);
bufferDesc.BufferBytes = this.samplesPerUpdate * wf.BlockAlign * 5;
bufferDesc.ControlPositionNotify = true;
bufferDesc.GlobalFocus = true;
this.soundBuffer = new SecondaryBuffer(bufferDesc, this.soundDevice);
Notify notify = new Notify(this.soundBuffer);
fillEvent[0] = new AutoResetEvent(false);
fillEvent[1] = new AutoResetEvent(false);
// Set up two notification events, one at halfway, and one at the end of the buffer
BufferPositionNotify[] posNotify = new BufferPositionNotify[2];
posNotify[0] = new BufferPositionNotify();
posNotify[0].Offset = bufferDesc.BufferBytes / 2 - 1;
posNotify[0].EventNotifyHandle = fillEvent[0].SafeWaitHandle.DangerousGetHandle();
posNotify[1] = new BufferPositionNotify();
posNotify[1].Offset = bufferDesc.BufferBytes - 1;
posNotify[1].EventNotifyHandle = fillEvent[1].SafeWaitHandle.DangerousGetHandle();
notify.SetNotificationPositions(posNotify);
this.thread = new Thread(new ThreadStart(SoundPlayback));
this.thread.SetApartmentState(ApartmentState.STA);
this.thread.Name = "SoundPlayback";
this.thread.Priority = ThreadPriority.Highest;
this.Pause();
this.running = true;
this.thread.Start();
}
public SoundPlayer(Control owner, PullAudio pullAudio, short channels)
{
this.channels = channels;
this.pullAudio = pullAudio;
this.soundDevice = new Device();
this.soundDevice.SetCooperativeLevel(owner, CooperativeLevel.Priority);
// Set up our wave format to 44,100Hz, with 16 bit resolution
WaveFormat wf = new WaveFormat();
wf.FormatTag = WaveFormatTag.Pcm;
wf.SamplesPerSecond = 44100;
wf.BitsPerSample = 16;
wf.Channels = channels;
wf.BlockAlign = (short)(wf.Channels * wf.BitsPerSample / 8);
wf.AverageBytesPerSecond = wf.SamplesPerSecond * wf.BlockAlign;
this.samplesPerUpdate = 512;
// Create a buffer with 2 seconds of sample data
BufferDescription bufferDesc = new BufferDescription(wf);
bufferDesc.BufferBytes = this.samplesPerUpdate * wf.BlockAlign * 2;
bufferDesc.ControlPositionNotify = true;
bufferDesc.GlobalFocus = true;
this.soundBuffer = new SecondaryBuffer(bufferDesc, this.soundDevice);
Notify notify = new Notify(this.soundBuffer);
fillEvent[0] = new AutoResetEvent(false);
fillEvent[1] = new AutoResetEvent(false);
// Set up two notification events, one at halfway, and one at the end of the buffer
BufferPositionNotify[] posNotify = new BufferPositionNotify[2];
posNotify[0] = new BufferPositionNotify();
posNotify[0].Offset = bufferDesc.BufferBytes / 2 - 1;
posNotify[0].EventNotifyHandle = fillEvent[0].Handle;
posNotify[1] = new BufferPositionNotify();
posNotify[1].Offset = bufferDesc.BufferBytes - 1;
posNotify[1].EventNotifyHandle = fillEvent[1].Handle;
notify.SetNotificationPositions(posNotify);
this.thread = new Thread(new ThreadStart(SoundPlayback));
this.thread.Priority = ThreadPriority.Highest;
this.Pause();
this.running = true;
this.thread.Start();
}
/// <summary>
/// Initialize the SecondaryBuffer and Notify instances.
/// </summary>
protected void InitSecondaryBuffer()
{
if (SB != null)
{
SB.Dispose();
}
if (Notify != null)
{
Notify.Dispose();
}
BufferDescription description = new BufferDescription(WaveFormat);
description.ControlPositionNotify = true;
description.BufferBytes = (int)Math.Round(((double)WaveFormat.AverageBytesPerSecond * this.BufferLength.TotalSeconds));
description.ControlVolume = true;
description.ControlEffects = false;
description.Control3D = false;
description.StickyFocus = true;
SB = new SecondaryBuffer(description, Device);
int length = SB.Caps.BufferBytes;
byte[] bytes = new byte[length];
Random r = new Random();
r.NextBytes(bytes);
Notify = new Notify(SB);
BufferPositionNotify [] bpn = new BufferPositionNotify[3];
bpn[0] = new BufferPositionNotify();
bpn[0].Offset = length / 2 - 1;
bpn[0].EventNotifyHandle = NotificationEvent.Handle;
bpn[1] = new BufferPositionNotify();
bpn[1].Offset = length - 1;
bpn[1].EventNotifyHandle = NotificationEvent.Handle;
bpn[2] = new BufferPositionNotify();
bpn[2].Offset = (int)PositionNotifyFlag.OffsetStop;
bpn[2].EventNotifyHandle = NotificationEvent.Handle;
Notify.SetNotificationPositions(bpn, 3);
if (Initialized != null)
{
Initialized(this, new EventArgs());
}
}
//设置通知
private void CreateNotification()
{
BufferPositionNotify[] bpn = new BufferPositionNotify[iNotifyNum];//设置缓冲区通知个数
//设置通知事件
notifyevent = new AutoResetEvent(false);
notifythread = new Thread(RecoData);
notifythread.Start();
for (int i = 0; i < iNotifyNum; i++)
{
bpn[i].Offset = iNotifySize + i * iNotifySize - 1;//设置具体每个的位置
bpn[i].EventNotifyHandle = notifyevent.Handle;
}
myNotify = new Notify(capturebuffer);
myNotify.SetNotificationPositions(bpn);
}
public DirectSound(Control mainForm, int device,
int samplesPerSecond, short bitsPerSample, short channels,
int bufferSize, int bufferCount)
{
_fillQueue = new Queue(bufferCount);
_playQueue = new Queue(bufferCount);
for (int i = 0; i < bufferCount; i++)
_fillQueue.Enqueue(new byte[bufferSize]);
_bufferSize = bufferSize;
_bufferCount = bufferCount;
_zeroValue = bitsPerSample == 8 ? (byte)128 : (byte)0;
_device = new Device();
_device.SetCooperativeLevel(mainForm, CooperativeLevel.Priority);
WaveFormat wf = new WaveFormat();
wf.FormatTag = WaveFormatTag.Pcm;
wf.SamplesPerSecond = samplesPerSecond;
wf.BitsPerSample = bitsPerSample;
wf.Channels = channels;
wf.BlockAlign = (short)(wf.Channels * (wf.BitsPerSample / 8));
wf.AverageBytesPerSecond = (int)wf.SamplesPerSecond * (int)wf.BlockAlign;
// Create a buffer
BufferDescription bufferDesc = new BufferDescription(wf);
bufferDesc.BufferBytes = _bufferSize * _bufferCount;
bufferDesc.ControlPositionNotify = true;
bufferDesc.GlobalFocus = true;
_soundBuffer = new SecondaryBuffer(bufferDesc, _device);
_notify = new Notify(_soundBuffer);
BufferPositionNotify[] posNotify = new BufferPositionNotify[_bufferCount];
for (int i = 0; i < posNotify.Length; i++)
{
posNotify[i] = new BufferPositionNotify();
posNotify[i].Offset = i * _bufferSize;
posNotify[i].EventNotifyHandle = _fillEvent.SafeWaitHandle.DangerousGetHandle();
}
_notify.SetNotificationPositions(posNotify);
_waveFillThread = new Thread(new ThreadStart(waveFillThreadProc));
_waveFillThread.IsBackground = true;
_waveFillThread.Name = "Wave fill thread";
_waveFillThread.Priority = ThreadPriority.Highest;
_waveFillThread.Start();
}
private void InitNotifications()
{
if (this.notify_ != null)
{
this.notify_.Dispose();
this.notify_ = null;
}
BufferPositionNotify[] array = new BufferPositionNotify[17];
for (int i = 0; i < 16; i++)
{
array[i].Offset = this.notifySize_ * i + this.notifySize_ - 1;
array[i].EventNotifyHandle = this.notifyEvent_.SafeWaitHandle.DangerousGetHandle();
}
this.notify_ = new Notify(this.captureBuffer_);
this.notify_.SetNotificationPositions(array, 16);
}
public void CreateNotification()
{
BufferPositionNotify[] bgn = new BufferPositionNotify[iNotifyNum];
notifyevent = new AutoResetEvent(false);
notifythread = new Thread(RecoData);
notifythread.IsBackground = true;
notifythread.Start();
for (int i = 0; i < iNotifyNum; i++)
{
bgn[i].Offset = iNotifySize + i * iNotifySize - 1;
bgn[i].EventNotifyHandle = notifyevent.Handle;
}
myNotify = new Notify(capturebuffer);
myNotify.SetNotificationPositions(bgn);
Console.WriteLine("Create notification successfully...");
}
private void SetSecondaryBuffer()
{
buffer = new SecondaryBuffer(bufferDesc, device);
are = new AutoResetEvent(false);
var notify = new Notify(buffer);
var psa = new BufferPositionNotify[m_numberOfSectorsInBuffer];
for (int i = 0; i < m_numberOfSectorsInBuffer; i++)
{
psa[i].Offset = m_SectorSize * (i + 1) - 1;
psa[i].EventNotifyHandle = are.SafeWaitHandle.DangerousGetHandle();
}
notify.SetNotificationPositions(psa, m_numberOfSectorsInBuffer);
}
private void UDP_CreateNotifyPositions()
{
try {
autoResetEvent = new AutoResetEvent(false);
notify = new Notify(captureBuffer);
BufferPositionNotify bufferPositionNotify1 = new BufferPositionNotify();
bufferPositionNotify1.Offset = bufferSize / 2 - 1;
bufferPositionNotify1.EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle();
BufferPositionNotify bufferPositionNotify2 = new BufferPositionNotify();
bufferPositionNotify2.Offset = bufferSize - 1;
bufferPositionNotify2.EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle();
notify.SetNotificationPositions(new BufferPositionNotify[] { bufferPositionNotify1, bufferPositionNotify2 });
} catch (Exception ex) {
MessageBox.Show(ex.Message, "VoiceChat-CreateNotifyPositions ()", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void InitNotifications()
{
if (notify_ != null)
{
notify_.Dispose();
notify_ = null;
}
BufferPositionNotify[] positionNotify = new BufferPositionNotify[NOTIFY_NUM + 1];
for (int i = 0; i < NOTIFY_NUM; i++)
{
positionNotify[i].Offset = (notifySize_ * i) + notifySize_ - 1;
positionNotify[i].EventNotifyHandle = notifyEvent_.SafeWaitHandle.DangerousGetHandle();
}
notify_ = new Notify(captureBuffer_);
notify_.SetNotificationPositions(positionNotify, NOTIFY_NUM);
}
/// <summary>
/// Starts capture process.
/// </summary>
public void Start()
{
EnsureIdle();
isCapturing = true;
WaveFormat format = new WaveFormat();
format.Channels = ChannelCount;
format.BitsPerSample = BitsPerSample;
format.SamplesPerSecond = SampleRate;
format.FormatTag = WaveFormatTag.Pcm;
format.BlockAlign = (short)((format.Channels * format.BitsPerSample + 7) / 8);
format.AverageBytesPerSecond = format.BlockAlign * format.SamplesPerSecond;
bufferLength = format.AverageBytesPerSecond * BufferSeconds;
CaptureBufferDescription desciption = new CaptureBufferDescription();
desciption.Format = format;
desciption.BufferBytes = bufferLength;
capture = new Capture(device.Id);
buffer = new CaptureBuffer(desciption, capture);
int waitHandleCount = BufferSeconds * NotifyPointsInSecond;
BufferPositionNotify[] positions = new BufferPositionNotify[waitHandleCount];
for (int i = 0; i < waitHandleCount; i++)
{
BufferPositionNotify position = new BufferPositionNotify();
position.Offset = (i + 1) * bufferLength / positions.Length - 1;
position.EventNotifyHandle = positionEventHandle.DangerousGetHandle();
positions[i] = position;
}
notify = new Notify(buffer);
notify.SetNotificationPositions(positions);
terminated.Reset();
thread = new Thread(new ThreadStart(ThreadLoop));
thread.Name = "Sound capture";
thread.Start();
}
private void CreateNotifyPositions()
{
try
{
autoResetEvent = new AutoResetEvent(false);
notify = new Notify(captureBuffer);
BufferPositionNotify bufferPositionNotify1 = new BufferPositionNotify();
bufferPositionNotify1.Offset = bufferSize / 2 - 1;
bufferPositionNotify1.EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle();
BufferPositionNotify bufferPositionNotify2 = new BufferPositionNotify();
bufferPositionNotify2.Offset = bufferSize - 1;
bufferPositionNotify2.EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle();
notify.SetNotificationPositions(new BufferPositionNotify[] { bufferPositionNotify1, bufferPositionNotify2 });
}
catch (Exception ex)
{
}
}
public static void SetBufferEvents()
{
try
{
autoResetEvent = new AutoResetEvent(false);
notify = new Notify(captureBuffer);
BufferPositionNotify bufferPositionNotify1 = new BufferPositionNotify();
bufferPositionNotify1.Offset = bufferSize / 2 - 1;
bufferPositionNotify1.EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle();
BufferPositionNotify bufferPositionNotify2 = new BufferPositionNotify();
bufferPositionNotify2.Offset = bufferSize - 1;
bufferPositionNotify2.EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle();
notify.SetNotificationPositions(new BufferPositionNotify[] { bufferPositionNotify1, bufferPositionNotify2 });
}
catch { }
}
public DirectSound(Control mainForm, int device, int samplesPerSecond, short bitsPerSample, short channels, int bufferSize, int bufferCount)
{
this._fillQueue = new Queue(bufferCount);
this._playQueue = new Queue(bufferCount);
for (int i = 0; i < bufferCount; i++)
{
this._fillQueue.Enqueue(new byte[bufferSize]);
}
this._bufferSize = bufferSize;
this._bufferCount = bufferCount;
this._zeroValue = ((bitsPerSample == 8) ? 128 : 0);
this._device = new Device();
this._device.SetCooperativeLevel(mainForm, CooperativeLevel.Priority);
WaveFormat wfx = new WaveFormat();
wfx.FormatTag = WaveFormatTag.Pcm;
wfx.SamplesPerSecond = samplesPerSecond;
wfx.BitsPerSample = bitsPerSample;
wfx.Channels = channels;
wfx.BlockAlign = wfx.Channels * (wfx.BitsPerSample / 8);
wfx.AverageBytesPerSecond = wfx.SamplesPerSecond * (int)wfx.BlockAlign;
this._soundBuffer = new SecondaryBuffer(new BufferDescription(wfx)
{
BufferBytes = this._bufferSize * this._bufferCount,
ControlPositionNotify = true,
GlobalFocus = true
}, this._device);
this._notify = new Notify(this._soundBuffer);
BufferPositionNotify[] array = new BufferPositionNotify[this._bufferCount];
for (int j = 0; j < array.Length; j++)
{
array[j] = new BufferPositionNotify();
array[j].Offset = j * this._bufferSize;
array[j].EventNotifyHandle = this._fillEvent.SafeWaitHandle.DangerousGetHandle();
}
this._notify.SetNotificationPositions(array);
this._waveFillThread = new Thread(new ThreadStart(this.waveFillThreadProc));
this._waveFillThread.IsBackground = true;
this._waveFillThread.Name = "Wave fill thread";
this._waveFillThread.Priority = ThreadPriority.Highest;
this._waveFillThread.Start();
}
//Set up notifications
private void CreateNotification()
{
BufferPositionNotify[] bpn = new BufferPositionNotify[iNotifyNum]; //Set the number of buffer notifications
//Set the notification event
notifyevent = new AutoResetEvent(false);
notifythread = new Thread(RecoData);
notifythread.IsBackground = true;
notifythread.Start();
fftthread = new Thread(fftFunction);
fftthread.IsBackground = true;
fftthread.Start();
for (int i = 0; i < iNotifyNum; i++)
{
bpn[i].Offset = iNotifySize + i * iNotifySize - 1;//Set each specific location
bpn[i].EventNotifyHandle = notifyevent.SafeWaitHandle.DangerousGetHandle();
}
myNotify = new Notify(capturebuffer);
myNotify.SetNotificationPositions(bpn);
}
private void CreateNotifyPositions()
{
try
{
autoResetEvent = new AutoResetEvent(false);
notify = new Notify(captureBuffer);
BufferPositionNotify bufferPositionNotify1 = new BufferPositionNotify();
bufferPositionNotify1.Offset = bufferSize / 2 - 1;
bufferPositionNotify1.EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle();
BufferPositionNotify bufferPositionNotify2 = new BufferPositionNotify();
bufferPositionNotify2.Offset = bufferSize - 1;
bufferPositionNotify2.EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle();
notify.SetNotificationPositions(new BufferPositionNotify[] { bufferPositionNotify1, bufferPositionNotify2 });
}
catch (Exception ex)
{
// MessageBox.Show(ex.Message, "VoiceChat-CreateNotifyPositions ()", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void CreateNotifyPositions()
{
try
{
autoResetEvent = new AutoResetEvent(false);
notify = new Notify(captureBuffer);
BufferPositionNotify bufferPositionNotify1 = new BufferPositionNotify();
bufferPositionNotify1.Offset = bufferSize / 2 - 1;
bufferPositionNotify1.EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle();
BufferPositionNotify bufferPositionNotify2 = new BufferPositionNotify();
bufferPositionNotify2.Offset = bufferSize - 1;
bufferPositionNotify2.EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle();
notify.SetNotificationPositions(new BufferPositionNotify[] { bufferPositionNotify1, bufferPositionNotify2 });
}
catch (Exception)
{
//MessageBox.Show("Wystąpił problem podczas metody \"CreateNotifyPositions()\"!", "Błąd", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public DirectSoundOut(Control owner, AudioPCMConfig pcm, int delay)
{
this.m_settings = new AudioEncoderSettings(pcm);
//buffer = new CyclicBuffer(44100*4/10);
//output = new CycilcBufferOutputStream(buffer);
//input = new CycilcBufferInputStream(buffer);
dSound = new Device();
dSound.SetCooperativeLevel(owner, CooperativeLevel.Priority);
format.AverageBytesPerSecond = pcm.SampleRate * pcm.BlockAlign;
format.BitsPerSample = (short)pcm.BitsPerSample;
format.BlockAlign = (short)pcm.BlockAlign;
format.Channels = (short)pcm.ChannelCount;
format.SamplesPerSecond = pcm.SampleRate;
format.FormatTag = WaveFormatTag.Pcm;
SecBufByteSize = delay * pcm.SampleRate * pcm.BlockAlign / 1000;
description.Format = format;
description.BufferBytes = SecBufByteSize;
description.CanGetCurrentPosition = true;
description.ControlPositionNotify = true;
//description.ControlVolume = true;
description.GlobalFocus = true;
secondaryBuffer = new SecondaryBuffer(description, dSound);
//secondaryBuffer.Volume = 100;
notify = new Notify(secondaryBuffer);
BufferPositionNotify[] bufferPositions = new BufferPositionNotify[3];
bufferPositions[0].Offset = 0;
bufferPositions[0].EventNotifyHandle = SecBufNotifyAtBegin.Handle;
bufferPositions[1].Offset = SecBufByteSize / 3;
bufferPositions[1].EventNotifyHandle = SecBufNotifyAtOneThird.Handle;
bufferPositions[2].Offset = 2 * SecBufByteSize / 3;
bufferPositions[2].EventNotifyHandle = SecBufNotifyAtTwoThirds.Handle;
notify.SetNotificationPositions(bufferPositions);
pcmStream = new MemoryStream(SecBufByteSize);
SecBufWaitHandles = new WaitHandle[] { SecBufNotifyAtBegin, SecBufNotifyAtOneThird, SecBufNotifyAtTwoThirds };
//wavoutput = new WAVWriter("", output, pcm);
}
private void CreateNotifyPositions()
{
try
{
autoResetEvent = new AutoResetEvent(false);
notify = new Notify(captureBuffer);
BufferPositionNotify bufferPositionNotify1 = new BufferPositionNotify
{
Offset = buffersize / 2 - 1,
EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle()
};
BufferPositionNotify bufferPositionNotify2 = new BufferPositionNotify
{
Offset = buffersize - 1,
EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle()
};
notify.SetNotificationPositions(new BufferPositionNotify[] { bufferPositionNotify1, bufferPositionNotify2 });
} catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error on CreatePositionNotify", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private bool InitNotifications()
{
if ((CaptureBuffer)null == this.mRecBuffer)
{
return(false);
}
this.mNotificationEvent = new AutoResetEvent(false);
if (this.mNotifyThread == null)
{
this.mNotifyThread = new Thread(new ThreadStart(this.WaitThread));
this.mNotifyThread.Start();
}
BufferPositionNotify[] notify = new BufferPositionNotify[17];
for (int index = 0; index < 16; ++index)
{
notify[index].Offset = this.mNotifySize * index + this.mNotifySize - 1;
notify[index].EventNotifyHandle = this.mNotificationEvent.SafeWaitHandle.DangerousGetHandle();
}
this.mNotify = new Notify(this.mRecBuffer);
this.mNotify.SetNotificationPositions(notify, 16);
return(true);
}
private void startRecordingOrMonitoring(AudioLibPCMFormat pcmFormat, bool recordingToFile)
{
RecordingPCMFormat = pcmFormat;
#if USE_SHARPDX
WaveFormat waveFormat = new WaveFormat((int)RecordingPCMFormat.SampleRate, 16, (int)RecordingPCMFormat.NumberOfChannels);
#else
WaveFormat waveFormat = new WaveFormat();
waveFormat.FormatTag = WaveFormatTag.Pcm;
waveFormat.Channels = (short)RecordingPCMFormat.NumberOfChannels;
waveFormat.SamplesPerSecond = (int)RecordingPCMFormat.SampleRate;
waveFormat.BitsPerSample = (short)RecordingPCMFormat.BitDepth;
waveFormat.AverageBytesPerSecond = (int)RecordingPCMFormat.SampleRate * RecordingPCMFormat.BlockAlign;
waveFormat.BlockAlign = (short)RecordingPCMFormat.BlockAlign;
#endif
uint byteRate = RecordingPCMFormat.SampleRate * RecordingPCMFormat.BlockAlign;
int pcmDataBufferSize = (int)(byteRate * REFRESH_INTERVAL_MS / 1000.0);
pcmDataBufferSize -= pcmDataBufferSize % RecordingPCMFormat.BlockAlign;
// here we are probably wasting some heap memory,
// because the event arg payload buffer (for "data available" event)
// contains the delta between capture and read circular buffer positions.
// however, this makes the memory re-alloc (i.e. buffer resize) routine simpler,
// that is to say here only when start record/monitor,
// instead of inside the DirectAudio capture thread (based on the actual circular buffer delta).
m_PcmDataBufferLength = pcmDataBufferSize * NOTIFICATIONS;
if (m_PcmDataBuffer == null)
{
Console.WriteLine("ALLOCATING m_PcmDataBuffer");
m_PcmDataBuffer = new byte[m_PcmDataBufferLength];
}
else if (m_PcmDataBuffer.Length < m_PcmDataBufferLength)
{
Console.WriteLine("m_PcmDataBuffer.resize");
Array.Resize(ref m_PcmDataBuffer, m_PcmDataBufferLength);
}
int circularBufferSize = pcmDataBufferSize * NOTIFICATIONS;
CaptureBufferDescription bufferDescription = new CaptureBufferDescription();
bufferDescription.BufferBytes = circularBufferSize;
bufferDescription.Format = waveFormat;
#if USE_SHARPDX
bufferDescription.Flags = CaptureBufferCapabilitiesFlags.WaveMapped; //CaptureBufferCapabilitiesFlags.ControlEffects
if (InputDevice == null)
{
Console.WriteLine("/// InputDevice NULL, attempting reset...");
List <InputDevice> inputDevices = InputDevices;
Console.WriteLine("/// InputDevices: " + inputDevices.Count);
SetInputDevice("dummy");
}
m_CircularBuffer = new CaptureBuffer(InputDevice.Capture, bufferDescription);
#else
m_CircularBuffer = new CaptureBuffer(bufferDescription, InputDevice.Capture);
#endif
#if FORCE_SINGLE_NOTIFICATION_EVENT
m_CircularBufferNotificationEvent = new AutoResetEvent(false);
#else
m_CircularBufferNotificationEvents = new AutoResetEvent[NOTIFICATIONS];
#endif
#if USE_SHARPDX
NotificationPosition[] m_BufferPositionNotify = new NotificationPosition[NOTIFICATIONS];
#else
BufferPositionNotify[] m_BufferPositionNotify = new BufferPositionNotify[NOTIFICATIONS];
#endif
for (int i = 0; i < NOTIFICATIONS; i++)
{
#if USE_SHARPDX
m_BufferPositionNotify[i] = new NotificationPosition();
#endif
m_BufferPositionNotify[i].Offset = (pcmDataBufferSize * i) + pcmDataBufferSize - 1;
#if FORCE_SINGLE_NOTIFICATION_EVENT
#if USE_SHARPDX
m_BufferPositionNotify[i].WaitHandle = m_CircularBufferNotificationEvent;
//m_BufferPositionNotify[i].EventNotifyHandlePointer = m_CircularBufferNotificationEvent.SafeWaitHandle.DangerousGetHandle();
#else
m_BufferPositionNotify[i].EventNotifyHandle = m_CircularBufferNotificationEvent.SafeWaitHandle.DangerousGetHandle();
#endif
#else
m_CircularBufferNotificationEvents[i] = new AutoResetEvent(false);
#if USE_SHARPDX
m_BufferPositionNotify[i].WaitHandle = m_CircularBufferNotificationEvents[i];
//m_BufferPositionNotify[i].EventNotifyHandlePointer = m_CircularBufferNotificationEvents[i].SafeWaitHandle.DangerousGetHandle();
#else
m_BufferPositionNotify[i].EventNotifyHandle = m_CircularBufferNotificationEvents[i].SafeWaitHandle.DangerousGetHandle();
#endif
#endif
}
#if USE_SHARPDX
m_CircularBuffer.SetNotificationPositions(m_BufferPositionNotify);
#else
m_Notify = new Notify(m_CircularBuffer);
m_Notify.SetNotificationPositions(m_BufferPositionNotify, NOTIFICATIONS);
#endif
m_CircularBufferReadPositon = 0;
m_RecordingFileWriter = null;
m_TotalRecordedBytes = 0;
#if FORCE_SINGLE_NOTIFICATION_EVENT
m_PreviousTotalRecordedBytes = 0;
#endif
if (recordingToFile)
{
int i = -1;
do
{
i++;
m_RecordedFilePath = RecordingDirectory + Path.DirectorySeparatorChar + i.ToString() + WavFormatConverter.AUDIO_WAV_EXTENSION;
} while (File.Exists(m_RecordedFilePath));
Stream stream = File.Create(m_RecordedFilePath);
try
{
m_RecordedFileRiffHeaderSize = RecordingPCMFormat.RiffHeaderWrite(stream, 0);
}
finally
{
stream.Close();
}
}
ThreadStart threadDelegate = delegate()
{
try
{
circularBufferRefreshThreadMethod();
}
catch (ThreadAbortException ex)
{
//
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine(ex.StackTrace);
}
finally
{
lock (LOCK_THREAD_INSTANCE)
{
m_CircularBufferRefreshThread = null;
}
}
//lock (LOCK_THREAD_INSTANCE)
//{
// m_CircularBufferRefreshThread = null;
//}
};
lock (LOCK_THREAD_INSTANCE)
{
m_CircularBufferRefreshThread = new Thread(threadDelegate);
m_CircularBufferRefreshThread.Name = "Recorder Notify Thread";
m_CircularBufferRefreshThread.Priority = ThreadPriority.AboveNormal;
m_CircularBufferRefreshThread.IsBackground = true;
CurrentState = (recordingToFile ? State.Recording : State.Monitoring);
m_CircularBuffer.Start(true);
m_CircularBufferRefreshThread.Start();
#if FORCE_SINGLE_NOTIFICATION_EVENT
m_CircularBufferTimer.Start();
#endif
}
//Console.WriteLine("Recorder notify thread start.");
}
private void PlayFile(FileInfo FI)
{
lock (this)
{
if (this.AudioDevice == null)
{
this.AudioDevice = new Device();
AudioDevice.SetCooperativeLevel(this, CooperativeLevel.Normal);
}
this.StopPlayback();
WaveFormat fmt = new WaveFormat();
fmt.FormatTag = WaveFormatTag.Pcm;
fmt.Channels = FI.AudioFile.Channels;
fmt.SamplesPerSecond = FI.AudioFile.SampleRate;
fmt.BitsPerSample = 16;
fmt.BlockAlign = (short)(FI.AudioFile.Channels * (fmt.BitsPerSample / 8));
fmt.AverageBytesPerSecond = fmt.SamplesPerSecond * fmt.BlockAlign;
BufferDescription BD = new BufferDescription(fmt);
BD.BufferBytes = this.AudioBufferSize;
BD.GlobalFocus = true;
BD.StickyFocus = true;
if (this.chkBufferedPlayback.Checked)
{
BD.ControlPositionNotify = true;
this.CurrentBuffer = new SecondaryBuffer(BD, this.AudioDevice);
if (this.AudioUpdateTrigger == null)
{
this.AudioUpdateTrigger = new AutoResetEvent(false);
}
int ChunkSize = this.AudioBufferSize / this.AudioBufferMarkers;
BufferPositionNotify[] UpdatePositions = new BufferPositionNotify[this.AudioBufferMarkers];
for (int i = 0; i < this.AudioBufferMarkers; ++i)
{
UpdatePositions[i] = new BufferPositionNotify();
UpdatePositions[i].EventNotifyHandle = this.AudioUpdateTrigger.SafeWaitHandle.DangerousGetHandle();
UpdatePositions[i].Offset = ChunkSize * i;
}
Notify N = new Notify(this.CurrentBuffer);
N.SetNotificationPositions(UpdatePositions);
this.CurrentStream = FI.AudioFile.OpenStream();
this.CurrentBuffer.Write(0, this.CurrentStream, this.CurrentBuffer.Caps.BufferBytes, LockFlag.EntireBuffer);
if (this.CurrentStream.Position < this.CurrentStream.Length)
{
this.AudioUpdateTrigger.Reset();
this.AudioUpdateThread = new Thread(new ThreadStart(this.AudioUpdate));
this.AudioUpdateThread.Start();
this.btnPause.Enabled = true;
this.btnStop.Enabled = true;
this.AudioIsLooping = true;
}
else
{
this.CurrentStream.Close();
this.CurrentStream = null;
this.AudioIsLooping = false;
}
}
else
{
this.CurrentStream = FI.AudioFile.OpenStream(true);
this.CurrentBuffer = new SecondaryBuffer(this.CurrentStream, BD, this.AudioDevice);
this.btnPause.Enabled = true;
this.btnStop.Enabled = true;
}
this.CurrentBuffer.Play(0, (this.AudioIsLooping ? BufferPlayFlags.Looping : BufferPlayFlags.Default));
}
}
/// <summary>
/// 创建播放服务对象
/// </summary>
/// <param name="owner">宿主</param>
/// <param name="deviceIndex">设备序号（0 - 默认设备）</param>
/// <param name="channelCount">通道数</param>
/// <param name="frequency">采样频率（次/秒）</param>
/// <param name="sampleSize">样本尺寸（位/次）</param>
/// <param name="bufferSectionTimeSpan">缓冲区片段的时间间隔</param>
/// <param name="bufferSectionCount">缓冲区片段数</param>
/// <param name="notificationEvent">通知点信号（工作线程等待此信号）</param>
public SoundPlayer(Control owner, int deviceIndex, short channelCount, int frequency, short sampleSize, TimeSpan bufferSectionTimeSpan, int bufferSectionCount, AutoResetEvent notificationEvent)
: base()
{
//宿主
this.Owner = owner;
#region 源
this.Source = new MemoryStream();
#endregion
#region 设备
DevicesCollection devices = new DevicesCollection();
this.Device = new Device(devices[deviceIndex].DriverGuid);
//协作等级
this.Device.SetCooperativeLevel(this.Owner, CooperativeLevel.Priority);
#endregion
#region 缓冲区
#region Wave格式
WaveFormat format = new WaveFormat();
format.FormatTag = WaveFormatTag.Pcm; //格式类型
format.Channels = channelCount; //通道数
format.SamplesPerSecond = frequency; //采样频率（次/秒）
format.BitsPerSample = sampleSize; //样本尺寸（位/次）
format.BlockAlign = (short)((format.BitsPerSample / 8) * format.Channels); //数据块的最小单元（字节/次）
format.AverageBytesPerSecond = format.BlockAlign * format.SamplesPerSecond; //采样性能（字节/秒）
#endregion
//缓冲区片段尺寸
this.BufferSectionSize = format.AverageBytesPerSecond * (int)bufferSectionTimeSpan.TotalSeconds;
//缓冲区尺寸
this.BufferSize = this.BufferSectionSize * bufferSectionCount;
//缓冲区描述
BufferDescription bufferDescription = new BufferDescription(format);
bufferDescription.BufferBytes = this.BufferSize;
bufferDescription.ControlPositionNotify = true;
bufferDescription.CanGetCurrentPosition = true;
bufferDescription.GlobalFocus = true; //允许后台播放
//创建
this.Buffer = new SecondaryBuffer(bufferDescription, this.Device);
#endregion
#region 缓冲区位置通知序列
//通知点信号
this.NotificationEvent = notificationEvent;
//位置通知序列
BufferPositionNotify[] bufferPositionNotifys = new BufferPositionNotify[bufferSectionCount];
for (int i = 0; i < bufferSectionCount; i++)
{
bufferPositionNotifys[i].Offset = this.BufferSectionSize * i; //通知点
bufferPositionNotifys[i].EventNotifyHandle = this.NotificationEvent.SafeWaitHandle.DangerousGetHandle(); //通知点信号 Set()
}
//将位置通知序列指派到缓冲区
(new Notify(this.Buffer)).SetNotificationPositions(bufferPositionNotifys);
#endregion
#region 工作线程
this.ThreadWorking = true;
this.WorkingThread = new Thread(new ParameterizedThreadStart(this.WorkingThreadProcess));
this.WorkingThread.IsBackground = true;
this.WorkingThread.Start(this.NotificationEvent); //带入参数
#endregion
//启动
this.Idle = true;
this.LastWritePosition = -1; //初始化为负数，播放时再次初始化
this.Buffer.Play(0, BufferPlayFlags.Looping);
}
/// <summary>
/// 创建通知
/// </summary>
private void CreateNotification()
{
BufferPositionNotify[] bpn = new BufferPositionNotify[m_nNotifyNum];//设置缓冲区通知个数
//设置通知事件
m_areNeedNewData = new AutoResetEvent(false);
m_trdNodify = new Thread(PlayData);
m_trdNodify.IsBackground = true;
m_trdNodify.Start();
for (int i = 0; i < m_nNotifyNum; i++)
{
bpn[i].Offset = m_nNotifySize + i * m_nNotifySize - 1;//设置具体每个的位置
bpn[i].EventNotifyHandle = m_areNeedNewData.SafeWaitHandle.DangerousGetHandle();
}
m_ntfNeedNewData = new Notify(m_secBuf);
m_ntfNeedNewData.SetNotificationPositions(bpn);
}
/// <summary>
/// 创建播放服务对象
/// </summary>
/// <param name="owner">宿主</param>
/// <param name="deviceIndex">设备序号（0 - 默认设备）</param>
/// <param name="channelCount">通道数</param>
/// <param name="frequency">采样频率（次/秒）</param>
/// <param name="sampleSize">样本尺寸（位/次）</param>
/// <param name="bufferSectionTimeSpan">缓冲区片段的时间间隔</param>
/// <param name="bufferSectionCount">缓冲区片段数</param>
/// <param name="notificationEvent">通知点信号（工作线程等待此信号）</param>
public SoundPlayer(Control owner, int deviceIndex, short channelCount, int frequency, short sampleSize, TimeSpan bufferSectionTimeSpan, int bufferSectionCount, AutoResetEvent notificationEvent)
: base()
{
//宿主
this.Owner = owner;
#region 源
this.Source = new MemoryStream();
#endregion
#region 设备
DevicesCollection devices = new DevicesCollection();
this.Device = new Device(devices[deviceIndex].DriverGuid);
//协作等级
this.Device.SetCooperativeLevel(this.Owner, CooperativeLevel.Priority);
#endregion
#region 缓冲区
#region Wave格式
WaveFormat format = new WaveFormat();
format.FormatTag = WaveFormatTag.Pcm; //格式类型
format.Channels = channelCount; //通道数
format.SamplesPerSecond = frequency; //采样频率（次/秒）
format.BitsPerSample = sampleSize; //样本尺寸（位/次）
format.BlockAlign = (short)((format.BitsPerSample / 8) * format.Channels); //数据块的最小单元（字节/次）
format.AverageBytesPerSecond = format.BlockAlign * format.SamplesPerSecond; //采样性能（字节/秒）
#endregion
//缓冲区片段尺寸
this.BufferSectionSize = format.AverageBytesPerSecond * (int)bufferSectionTimeSpan.TotalSeconds;
//缓冲区尺寸
this.BufferSize = this.BufferSectionSize * bufferSectionCount;
//缓冲区描述
BufferDescription bufferDescription = new BufferDescription(format);
bufferDescription.BufferBytes = this.BufferSize;
bufferDescription.ControlPositionNotify = true;
bufferDescription.CanGetCurrentPosition = true;
bufferDescription.GlobalFocus = true; //允许后台播放
//创建
this.Buffer = new SecondaryBuffer(bufferDescription, this.Device);
#endregion
#region 缓冲区位置通知序列
//通知点信号
this.NotificationEvent = notificationEvent;
//位置通知序列
BufferPositionNotify[] bufferPositionNotifys = new BufferPositionNotify[bufferSectionCount];
for (int i = 0; i < bufferSectionCount; i++)
{
bufferPositionNotifys[i].Offset = this.BufferSectionSize * i; //通知点
bufferPositionNotifys[i].EventNotifyHandle = this.NotificationEvent.SafeWaitHandle.DangerousGetHandle(); //通知点信号 Set()
}
//将位置通知序列指派到缓冲区
(new Notify(this.Buffer)).SetNotificationPositions(bufferPositionNotifys);
#endregion
#region 工作线程
this.ThreadWorking = true;
this.WorkingThread = new Thread(new ParameterizedThreadStart(this.WorkingThreadProcess));
this.WorkingThread.IsBackground = true;
this.WorkingThread.Start(this.NotificationEvent); //带入参数
#endregion
//启动
this.Idle = true;
this.LastWritePosition = -1; //初始化为负数，播放时再次初始化
this.Buffer.Play(0, BufferPlayFlags.Looping);
}
public DirectSound(
Form form,
int sampleRate,
int bufferCount)
{
if ((sampleRate % 50) != 0)
{
throw new ArgumentOutOfRangeException("sampleRate", "Sample rate must be a multiple of 50!");
}
_sampleRate = sampleRate;
var bufferSize = sampleRate / 50;
for (int i = 0; i < bufferCount; i++)
{
_fillQueue.Enqueue(new uint[bufferSize]);
}
_bufferSize = bufferSize;
_bufferCount = bufferCount;
_zeroValue = 0;
_device = new Device();
_device.SetCooperativeLevel(form, CooperativeLevel.Priority);
// we always use 16 bit stereo (uint per sample)
const short channels = 2;
const short bitsPerSample = 16;
const int sampleSize = 4; // channels * (bitsPerSample / 8);
var wf = new WaveFormat();
wf.FormatTag = WaveFormatTag.Pcm;
wf.SamplesPerSecond = _sampleRate;
wf.BitsPerSample = bitsPerSample;
wf.Channels = channels;
wf.BlockAlign = (short)(wf.Channels * (wf.BitsPerSample / 8));
wf.AverageBytesPerSecond = wf.SamplesPerSecond * wf.BlockAlign;
// Create a buffer
using (var bufferDesc = new BufferDescription(wf))
{
bufferDesc.BufferBytes = _bufferSize * sampleSize * _bufferCount;
bufferDesc.ControlPositionNotify = true;
bufferDesc.GlobalFocus = true;
_soundBuffer = new SecondaryBuffer(bufferDesc, _device);
}
_notify = new Notify(_soundBuffer);
var posNotify = new BufferPositionNotify[_bufferCount];
for (int i = 0; i < posNotify.Length; i++)
{
posNotify[i] = new BufferPositionNotify();
posNotify[i].Offset = i * _bufferSize * sampleSize;
posNotify[i].EventNotifyHandle = _fillEvent.SafeWaitHandle.DangerousGetHandle();
}
_notify.SetNotificationPositions(posNotify);
_wavePlayThread = new Thread(WavePlayThreadProc);
_wavePlayThread.IsBackground = true;
_wavePlayThread.Name = "WavePlay";
_wavePlayThread.Priority = ThreadPriority.Highest;
_wavePlayThread.Start();
}
public void CreateNotification()
{
BufferPositionNotify[] bpn = new BufferPositionNotify[iNotifyNum]; // 設置缓衝區通知個數
// 設置通知事件
notifyevent = new AutoResetEvent(false);
notifythread = new Thread(new ThreadStart(RecodeData)); // 通知觸發事件
notifythread.Start();
for (int i = 0; i < iNotifyNum; i++)
{
bpn[i].Offset = iNotifySize + i * iNotifySize - 1; // 設置具體每個的位置
bpn[i].EventNotifyHandle = notifyevent.SafeWaitHandle.DangerousGetHandle();
}
myNotify = new Notify(capturebuffer);
myNotify.SetNotificationPositions(bpn);
}
protected void SetBufferEvents()
{
try
{
autoResetEvent = new AutoResetEvent(false);
notify = new Notify(captureBuffer);
BufferPositionNotify bufferPositionNotify1 = new BufferPositionNotify();
bufferPositionNotify1.Offset = bufferSize / 2 - 1;
bufferPositionNotify1.EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle();
BufferPositionNotify bufferPositionNotify2 = new BufferPositionNotify();
bufferPositionNotify2.Offset = bufferSize - 1; //
bufferPositionNotify2.EventNotifyHandle = autoResetEvent.SafeWaitHandle.DangerousGetHandle();
notify.SetNotificationPositions(new BufferPositionNotify[] { bufferPositionNotify1, bufferPositionNotify2 }); // The Tow Positions (First & Last)
}
catch (Exception)
{
}
}
public PlayerClass(AudioBookConverterMain Caller, string filename)
{
if (GetSourceExt(filename) != "mp3")
{
return;
}
file = filename;
Parent = Caller;
Microsoft.DirectX.DirectSound.WaveFormat format = new Microsoft.DirectX.DirectSound.WaveFormat();
WmaStream wmastr = new WmaStream(filename);
format.BlockAlign = wmastr.Format.nBlockAlign;
format.Channels = wmastr.Format.nChannels;
format.SamplesPerSecond = wmastr.Format.nSamplesPerSec;
format.BitsPerSample = wmastr.Format.wBitsPerSample;
format.AverageBytesPerSecond = format.BlockAlign * format.SamplesPerSecond;
wmastr.Dispose();
BufferDescription desc = new BufferDescription(format);
desc.ControlPan = true;
desc.GlobalFocus = true;
desc.BufferBytes = 262144;
desc.ControlPositionNotify = true;
desc.CanGetCurrentPosition = true;
desc.ControlVolume = true;
desc.StickyFocus = true;
desc.LocateInSoftware = true;
desc.ControlEffects = false;
desc.LocateInHardware = false;
desc.Control3D = false;
//MemoryStream bufferstream = new MemoryStream(262144);
Device device = new Device();
device.SetCooperativeLevel(Parent, CooperativeLevel.Priority);
sound = new SecondaryBuffer(desc, device);
sound.SetCurrentPosition(1);
sound.Volume = 0;
sound.Pan = 0;
BufferNotificationEvent = new AutoResetEvent(false);
BufferNotify = new Notify(sound);
BufferPositionNotify[] BufferPositions = new BufferPositionNotify[2];
BufferPositions[0].Offset = 0;
BufferPositions[0].EventNotifyHandle = BufferNotificationEvent.Handle;
BufferPositions[1].Offset = (desc.BufferBytes / 2);
BufferPositions[1].EventNotifyHandle = BufferNotificationEvent.Handle;
BufferNotify.SetNotificationPositions(BufferPositions);
DataTransferThread = new Thread(new ThreadStart(WMDataFill));
//if (GetSourceExt(filename) =="mp4") DataTransferThread = new Thread(new ThreadStart(FaadDataFill));
//if (GetSourceExt(filename) =="flac") DataTransferThread = new Thread(new ThreadStart(FlacDataFill));
//if (GetSourceExt(filename) =="ogg") DataTransferThread = new Thread(new ThreadStart(OggDataFill));
DataTransferThread.Name = "BufferFill";
DataTransferThread.Priority = ThreadPriority.Highest;
DataTransferThread.Start();
}
public void SetNotificationPositions(BufferPositionNotify[] Positions)
{
Array RealPositions = Array.CreateInstance(BufferPositionNotify.TMe, Positions.Length);
for (int i = 0; i < Positions.Length; ++i)
{
RealPositions.SetValue(Positions[i].Me, i);
}
TMe.InvokeMember("SetNotificationPositions", BindingFlags.InvokeMethod, null, Me, new object[] { RealPositions },
Application.CurrentCulture);
}
//设置通知
private void CreateNotification()
{
BufferPositionNotify[] bpn = new BufferPositionNotify[iNotifyNum];//设置缓冲区通知个数
//设置通知事件
notifyevent = new AutoResetEvent(false);
notifythread = new Thread(RecoData);
notifythread.Start();
for (int i = 0; i < iNotifyNum; i++)
{
bpn[i].Offset = iNotifySize + i * iNotifySize - 1;//设置具体每个的位置
bpn[i].EventNotifyHandle = notifyevent.Handle;
}
myNotify = new Notify(capturebuffer);
myNotify.SetNotificationPositions(bpn);
}
private bool InitNotifications()
{
if (null == mRecBuffer)
{
Debug.WriteLine("Capture Buffer is null.");
return false;
}
// 创建一个通知事件,当缓冲队列满了就激发该事件.
mNotificationEvent = new AutoResetEvent(false);
// 创建一个线程管理缓冲区事件
if (null == mNotifyThread)
{
mNotifyThread = new Thread(new ThreadStart(WaitThread));
mNotifyThread.Start();
}
// 设定通知的位置
BufferPositionNotify[] PositionNotify = new BufferPositionNotify[cNotifyNum];
for (int i = 0; i < cNotifyNum; i++)
{
PositionNotify[i].Offset = (mNotifySize * i) + mNotifySize - 1;
PositionNotify[i].EventNotifyHandle = mNotificationEvent.Handle;
}
mNotify = new Notify(mRecBuffer);
mNotify.SetNotificationPositions(PositionNotify);
return true;
}
private static void PlayThread(object osn)
{
EmulatorForm myform = (EmulatorForm)osn;
SecondaryBuffer SecBuf;
AutoResetEvent SecBufNotifyAtHalf = new AutoResetEvent(false);
AutoResetEvent SecBufNotifyAtBeginning = new AutoResetEvent(false);
int SamplingRate = (int)myform._samplingRate;
int HoldThisManySamples = (int)(1 * SamplingRate);
int BlockAlign = 2;
int SecBufByteSize = HoldThisManySamples * BlockAlign;
WaveFormat MyWaveFormat = new WaveFormat();
// Set the format
MyWaveFormat.AverageBytesPerSecond = (int)(myform._samplingRate * BlockAlign);
MyWaveFormat.BitsPerSample = (short)16;
MyWaveFormat.BlockAlign = (short)BlockAlign;
MyWaveFormat.Channels = (short)1;
MyWaveFormat.SamplesPerSecond = (int)myform._samplingRate;
MyWaveFormat.FormatTag = WaveFormatTag.Pcm;
BufferDescription MyDescription;
// Set BufferDescription
MyDescription = new BufferDescription();
MyDescription.Format = MyWaveFormat;
MyDescription.BufferBytes = HoldThisManySamples * BlockAlign;
MyDescription.CanGetCurrentPosition = true;
MyDescription.ControlPositionNotify = true;
MyDescription.GlobalFocus = true;
// Create the buffer
SecBuf = new SecondaryBuffer(MyDescription,myform._directSoundDevice);
Notify MyNotify;
MyNotify = new Notify(SecBuf);
BufferPositionNotify[] MyBufferPositions = new BufferPositionNotify[2];
MyBufferPositions[0].Offset = 0;
MyBufferPositions[0].EventNotifyHandle = SecBufNotifyAtBeginning.Handle;
MyBufferPositions[1].Offset = (HoldThisManySamples / 2) * BlockAlign;
MyBufferPositions[1].EventNotifyHandle = SecBufNotifyAtHalf.Handle;
MyNotify.SetNotificationPositions(MyBufferPositions);
WaitHandle[] SecBufWaitHandles = { SecBufNotifyAtBeginning, SecBufNotifyAtHalf };
Int16[] buffer;
buffer = myform._sn.GenerateSamples((uint)HoldThisManySamples, "");
SecBuf.Write(0, buffer, LockFlag.None);
SecBuf.Play(0, BufferPlayFlags.Looping);
int SecBufNextWritePosition = 0;
while (myform._bufferPlaying)
{
int WriteCount = 0,
PlayPosition = SecBuf.PlayPosition,
WritePosition = SecBuf.WritePosition;
if (SecBufNextWritePosition < PlayPosition
&& (WritePosition >= PlayPosition || WritePosition < SecBufNextWritePosition))
WriteCount = PlayPosition - SecBufNextWritePosition;
else if (SecBufNextWritePosition > WritePosition
&& WritePosition >= PlayPosition)
WriteCount = (SecBufByteSize - SecBufNextWritePosition) + PlayPosition;
// System.Diagnostics.Debug.WriteLine("WC: "+WriteCount.ToString());
if (WriteCount > 0)
{
WriteCount = (int)Math.Min(WriteCount,1000);
buffer = myform._sn.GenerateSamples((uint)WriteCount/2, "");
SecBuf.Write(
SecBufNextWritePosition,
buffer,
LockFlag.None);
SecBufNextWritePosition = (SecBufNextWritePosition + WriteCount) % SecBufByteSize;
}
else
{
WaitHandle.WaitAny(SecBufWaitHandles, new TimeSpan(0, 0, 5), true);
}
}
SecBuf.Dispose();
MyDescription.Dispose();
MyNotify.Dispose();
}
private void PlayFile(FileInfo FI)
{
lock (this)
{
if (this.AudioDevice == null)
{
this.AudioDevice = new Device();
AudioDevice.SetCooperativeLevel(this, CooperativeLevel.Normal);
}
this.StopPlayback();
WaveFormat fmt = new WaveFormat();
fmt.FormatTag = WaveFormatTag.Pcm;
fmt.Channels = FI.AudioFile.Channels;
fmt.SamplesPerSecond = FI.AudioFile.SampleRate;
fmt.BitsPerSample = 16;
fmt.BlockAlign = (short)(FI.AudioFile.Channels * (fmt.BitsPerSample / 8));
fmt.AverageBytesPerSecond = fmt.SamplesPerSecond * fmt.BlockAlign;
BufferDescription BD = new BufferDescription(fmt);
BD.BufferBytes = this.AudioBufferSize;
BD.GlobalFocus = true;
BD.StickyFocus = true;
if (this.chkBufferedPlayback.Checked)
{
BD.ControlPositionNotify = true;
this.CurrentBuffer = new SecondaryBuffer(BD, this.AudioDevice);
if (this.AudioUpdateTrigger == null)
{
this.AudioUpdateTrigger = new AutoResetEvent(false);
}
int ChunkSize = this.AudioBufferSize / this.AudioBufferMarkers;
BufferPositionNotify[] UpdatePositions = new BufferPositionNotify[this.AudioBufferMarkers];
for (int i = 0; i < this.AudioBufferMarkers; ++i)
{
UpdatePositions[i] = new BufferPositionNotify();
UpdatePositions[i].EventNotifyHandle = this.AudioUpdateTrigger.SafeWaitHandle.DangerousGetHandle();
UpdatePositions[i].Offset = ChunkSize * i;
}
Notify N = new Notify(this.CurrentBuffer);
N.SetNotificationPositions(UpdatePositions);
this.CurrentStream = FI.AudioFile.OpenStream();
this.CurrentBuffer.Write(0, this.CurrentStream, this.CurrentBuffer.Caps.BufferBytes, LockFlag.EntireBuffer);
if (this.CurrentStream.Position < this.CurrentStream.Length)
{
this.AudioUpdateTrigger.Reset();
this.AudioUpdateThread = new Thread(new ThreadStart(this.AudioUpdate));
this.AudioUpdateThread.Start();
this.btnPause.Enabled = true;
this.btnStop.Enabled = true;
this.AudioIsLooping = true;
}
else
{
this.CurrentStream.Close();
this.CurrentStream = null;
this.AudioIsLooping = false;
}
}
else
{
this.CurrentStream = FI.AudioFile.OpenStream(true);
this.CurrentBuffer = new SecondaryBuffer(this.CurrentStream, BD, this.AudioDevice);
this.btnPause.Enabled = true;
this.btnStop.Enabled = true;
}
this.CurrentBuffer.Play(0, (this.AudioIsLooping ? BufferPlayFlags.Looping : BufferPlayFlags.Default));
}
}
/// <summary>
/// Initialize the SecondaryBuffer and Notify instances.
/// </summary>
protected void InitSecondaryBuffer()
{
if (SB != null) SB.Dispose();
if (Notify != null) Notify.Dispose();
BufferDescription description = new BufferDescription(WaveFormat);
description.ControlPositionNotify = true;
description.BufferBytes = (int)Math.Round(((double)WaveFormat.AverageBytesPerSecond * this.BufferLength.TotalSeconds));
description.ControlVolume = true;
description.ControlEffects = false;
description.Control3D = false;
description.StickyFocus = true;
SB = new SecondaryBuffer(description, Device);
int length = SB.Caps.BufferBytes;
byte[] bytes = new byte[length];
Random r = new Random();
r.NextBytes(bytes);
Notify = new Notify(SB);
BufferPositionNotify []bpn = new BufferPositionNotify[3];
bpn[0] = new BufferPositionNotify();
bpn[0].Offset = length/2-1;
bpn[0].EventNotifyHandle = NotificationEvent.Handle;
bpn[1] = new BufferPositionNotify();
bpn[1].Offset = length-1;
bpn[1].EventNotifyHandle = NotificationEvent.Handle;
bpn[2] = new BufferPositionNotify();
bpn[2].Offset = (int)PositionNotifyFlag.OffsetStop;
bpn[2].EventNotifyHandle = NotificationEvent.Handle;
Notify.SetNotificationPositions(bpn, 3);
if (Initialized != null) Initialized(this, new EventArgs());
}
/// <summary>
/// Starts capture process.
/// </summary>
public void Start()
{
EnsureIdle();
isCapturing = true;
WaveFormat format = new WaveFormat();
format.Channels = ChannelCount;
format.BitsPerSample = BitsPerSample;
format.SamplesPerSecond = SampleRate;
format.FormatTag = WaveFormatTag.Pcm;
format.BlockAlign = (short)((format.Channels * format.BitsPerSample + 7) / 8);
format.AverageBytesPerSecond = format.BlockAlign * format.SamplesPerSecond;
bufferLength = format.AverageBytesPerSecond * BufferSeconds;
CaptureBufferDescription desciption = new CaptureBufferDescription();
desciption.Format = format;
desciption.BufferBytes = bufferLength;
capture = new Capture(device.Id);
buffer = new CaptureBuffer(desciption, capture);
int waitHandleCount = BufferSeconds * NotifyPointsInSecond;
BufferPositionNotify[] positions = new BufferPositionNotify[waitHandleCount];
for (int i = 0; i < waitHandleCount; i++)
{
BufferPositionNotify position = new BufferPositionNotify();
position.Offset = (i + 1) * bufferLength / positions.Length - 1;
position.EventNotifyHandle = positionEventHandle.DangerousGetHandle();
positions[i] = position;
}
notify = new Notify(buffer);
notify.SetNotificationPositions(positions);
terminated.Reset();
thread = new Thread(new ThreadStart(ThreadLoop));
thread.Name = "Sound capture";
thread.Start();
}