public AudioBufferInfo(int count, AudioBufferInfo parentBuffer)
{
// Create child from existing parent buffers
Count = count;
Raw = new float *[count];
Buffers = new VstAudioBuffer[count];
// Point to parent
for (int i = 0; i < count; i++)
{
Buffers[i] = parentBuffer.Buffers[i];
Raw[i] = parentBuffer.Raw[i];
}
}
public unsafe void asioThread()
{
if (mSettingsMgr.Settings.MidiInDeviceNumbers == null)
{
mSettingsMgr.Settings.MidiInDeviceNumbers = new List <int>();
}
for (int i = 0; i < mSettingsMgr.Settings.MidiInDeviceNumbers.Count(); i++)
{
mMidiDevice.OpenInPort(mSettingsMgr.Settings.MidiInDeviceNumbers[i]);
}
try
{
#if NAUDIO_ASIO
mAsio = new NAudio.Wave.AsioOut(mSettingsMgr.Settings.AsioDeviceNr);
#else
mAsio = AsioDriver.SelectDriver(AsioDriver.InstalledDrivers[mSettingsMgr.Settings.AsioDeviceNr]);
#endif
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
if (mAsio != null)
{
#if NAUDIO_ASIO
if (mAsio != null)
{
mWaveProvider = new NAudio.Wave.BufferedWaveProvider(new NAudio.Wave.WaveFormat(44100, 16, 2));
mAsio.InitRecordAndPlayback(mWaveProvider, 2, 44100);
mAsio.AudioAvailable += mAsio_AudioAvailable;
mAsioBuffSize = mSettingsMgr.Settings.AsioBufferSize;
}
#else
int p = mAsio.BufferSizex.PreferredSize;
int max = mAsio.BufferSizex.MaxSize;
int min = mAsio.BufferSizex.MinSize;
if (mSettingsMgr.Settings.AsioBufferSize < min)
{
mSettingsMgr.Settings.AsioBufferSize = min;
mSettingsMgr.SaveSettings();
}
if (mSettingsMgr.Settings.AsioBufferSize > max)
{
mSettingsMgr.Settings.AsioBufferSize = max;
mSettingsMgr.SaveSettings();
}
mAsioBuffSize = mSettingsMgr.Settings.AsioBufferSize;
// get our driver wrapper to create its buffers
mAsio.CreateBuffers(mAsioBuffSize);
// this is our buffer fill event we need to respond to
mAsio.BufferUpdate += new EventHandler(asio_BufferUpdateHandler);
mAsioOutputLeft = mAsio.OutputChannels[0]; // Use only 1x stereo out
mAsioOutputRight = mAsio.OutputChannels[1];
mAsioInputBuffers = new AudioBufferInfo(2, mAsioBuffSize);
mAsioInputLeft = mAsio.InputChannels[0]; // Use only 1x stereo in
mAsioInputRight = mAsio.InputChannels[1];
#endif
// todo: test
//mMixLeft = new float[mAsioBuffSize];
//mMixRight = new float[mAsioBuffSize];
// and off we go
stopWatchTicksForOneAsioBuffer = (long)(Stopwatch.Frequency / (mAsio.SampleRate / mAsioBuffSize));
#if NAUDIO_ASIO
mAsioLeftInt32LSBBuff = new byte[mAsioBuffSize * 4];
mAsioRightInt32LSBBuff = new byte[mAsioBuffSize * 4];
mAsio.Play();
#else
mAsio.Start();
#endif
mAsioStartEvent.Set();
// Keep running untill stop request!
mAsioStopEvent.Wait();
StopAsio();
}
else
{
mIsAsioRunning = false;
mAsioStartEvent.Set();
}
}