private void stopCaptureImpl()
{
try
{
if (_audioClient != null && _capClient != null)
{
_audioClient.Stop();
}
// イベント発火
CaptureStoppedEventHandler del1 = CaptureStopped;
if (del1 != null)
{
del1.Invoke(this, new CaptureStoppedEventArgs());
}
DataUpdatedEventHandler del2 = DataUpdated;
if (del2 != null)
{
del2.Invoke(this, new DataUpdatedEventArgs(new PitchResult(0, 0), ToneResult.Default));
}
}
catch (System.Runtime.InteropServices.COMException ex)
{
#warning エラー処理
throw new Exception(ex.Message);
}
}
// 今溜まっている分を解析する
private void analyzeBuffer()
{
_prevAnalyzeTime = Environment.TickCount;
_pitchAnalyzer.SampleFrequency = _capFormat.nSamplesPerSec;
double[] buf = _buffer.ToArray();
for (int i = 0; i < buf.Length; i++)
{
buf[i] /= _capFormat.nChannels;
}
PitchResult result = _pitchAnalyzer.Analyze(buf);
ToneResult tone = ToneAnalyzer.Analyze(result.Pitch, result.Clarity);
// イベント発火
DataUpdatedEventHandler del = DataUpdated;
if (del != null)
{
del.Invoke(this, new DataUpdatedEventArgs(result, tone));
}
}
/// <summary>
///
/// </summary>
/// <param name="eventHandler"></param>
public void RegisterDataUpdated(DataUpdatedEventHandler eventHandler)
{
_DataUpdatedEventHandler = eventHandler;
}
private void mainThread()
{
try
{
while (true)
{
Operation op = new Operation(Operation.OprationType.None);
lock (_opQueue)
{
if (_opQueue.Count > 0)
{
op = _opQueue.Dequeue();
}
}
switch (op.OpType)
{
case Operation.OprationType.Dispose: // 終了条件
releaseDevice();
disposeImpl();
_capturing = false;
return;
case Operation.OprationType.UpdateDevices: // Device一覧アップデート条件
updateDeviceInfoImpl((bool)op.OpArgs[0]);
break;
case Operation.OprationType.SelectDevice: // Device選択条件
selectDeviceImpl(op.OpArgs[0] as string);
_capturing = false;
break;
case Operation.OprationType.StartCapture: // 開始条件
startCaptureImpl();
_capturing = true;
break;
case Operation.OprationType.StopCapture: // 解放条件(stop)
stopCaptureImpl();
_capturing = false;
break;
default: // その他(GetBuffer)
{
#region キャプチャ
if (_capturing)
{
if (_capClient != null)
{
long curTick = Environment.TickCount;
uint size = 0;
try
{
size = _capClient.NextPacketSize;
if (size == 0) // 音が無い or バッファが一定量溜まっていない
{
if (!_reset)
{
// データが来なくなってから一定時間 -> リセット
if (curTick - _prevResetTime > RESETLIMIT)
{
_prevResetTime = curTick;
resetImpl();
DataUpdatedEventHandler del = DataUpdated;
if (del != null)
{
del.Invoke(this, new DataUpdatedEventArgs(new PitchResult(0, 0), ToneResult.Default));
}
}
}
}
else
{
_reset = false;
_prevResetTime = curTick;
try
{
while (_capClient.NextPacketSize > 0)
{
byte[] bytes; uint numFrames;
AudioClientBufferFlags flags;
UInt64 devicePosition; UInt64 qpcPosition;
_capClient.GetBuffer(out bytes, out numFrames, out flags, out devicePosition, out qpcPosition);
//if ((flags & AudioClientBufferFlags.DataDiscontinuity) != 0)
// clearBuffer();
switch (_capFormat.wBitsPerSample)
{
case 8:
get8bitBuf(bytes);
break;
case 16:
get16bitBuf(bytes);
break;
case 24:
get24bitBuf(bytes);
break;
case 32:
get32bitBuf(bytes);
break;
}
}
}
catch (Exception) { }
truncateBuffer();
if (curTick - _prevAnalyzeTime > ANALYZESPAN)
{
analyzeBuffer();
}
}
}
catch (System.Runtime.InteropServices.COMException ex)
{
#warning エラー処理
}
}
}
#endregion
}
break;
}
Thread.Sleep(_sleepTime);
}
}
catch (ThreadAbortException threadEx)
{
Console.WriteLine(threadEx.Message);
}
}
