public void AddBuffer(IAudioInputBuffer buffer)
{
if (_registeredBuffers.Any(x => x.Device.DeviceID == buffer.Device.DeviceID))
{
throw new InvalidOperationException(String.Format("Device '{0}: {1}' is already registered.", buffer.Device.DeviceID, buffer.Device.Name));
}
_registeredBuffers.Add(buffer);
}
public void RemoveBuffer(IAudioInputBuffer buffer)
{
var buffersToUnregister = (from x in _registeredBuffers
where x.Device.DeviceID == buffer.Device.DeviceID
select x).ToList();
foreach (var bufferToUnregister in buffersToUnregister)
{
//for (int i = 0; i < buffersToUnregister.Count(); i++)
_registeredBuffers.Remove(bufferToUnregister);
}
}
protected override void OpenSystemInputBuffer(IAudioInputBuffer buffer)
{
if (!(buffer is SystemAudioInputBuffer))
{
throw new ArgumentException("Expected " + nameof(SystemAudioInputBuffer) + " for parameter 'buffer'", nameof(buffer));
}
var actualBuffer = buffer as SystemAudioInputBuffer;
// Main bit - 8.2 - from Learning Core Audio p164
var inputUnit = CreateInputUnit(actualBuffer);
ErrorHandler.CheckError(inputUnit.Start);
}
protected override void CloseSystemInputBuffer(IAudioInputBuffer buffer)
{
var systemBuffer = buffer as SystemAudioInputBuffer;
systemBuffer.AudioUnit.Stop();
}
/// <summary> /// Closes the hardware device for the given platform. Frees up allocated buffer from memory. /// </summary> /// <param name="buffer">Buffer.</param> protected abstract void CloseSystemInputBuffer(IAudioInputBuffer buffer);
/// <summary> /// Opens the hardware device for the given platform. Audio will begin recording immediately, enabling retrieval of samples upon request. /// </summary> /// <param name="buffer">Uninitialized IAudioInputBuffer.</param> protected abstract void OpenSystemInputBuffer(IAudioInputBuffer buffer);
public void CloseInputBuffer(IAudioInputBuffer buffer)
{
CloseSystemInputBuffer(buffer);
_inputBufferRegistry.RemoveBuffer(buffer);
}
public static void CloseInputBuffer(IAudioInputBuffer buffer)
{
_audioService.CloseInputBuffer(buffer);
}
