public IOSAudioProcessor()
{
var inputComponent = AudioComponent.FindNextComponent(
null,
new AudioComponentDescription
{
ComponentFlags = 0,
ComponentFlagsMask = 0,
ComponentManufacturer = AudioComponentManufacturerType.Apple,
ComponentSubType = (int)AudioTypeOutput.Remote,
ComponentType = AudioComponentType.Output
});
recorder = inputComponent.CreateAudioUnit();
recorder.SetEnableIO(true, AudioUnitScopeType.Input, inputBus);
recorder.SetEnableIO(false, AudioUnitScopeType.Output, outputBus);
var audioFormat = new AudioStreamBasicDescription
{
SampleRate = StudentDemo.Globals.SAMPLERATE,
Format = AudioFormatType.LinearPCM,
FormatFlags = AudioFormatFlags.IsSignedInteger | AudioFormatFlags.IsPacked,
FramesPerPacket = 1,
ChannelsPerFrame = 1,
BitsPerChannel = 16,
BytesPerPacket = 2,
BytesPerFrame = 2
};
recorder.SetAudioFormat(audioFormat, AudioUnitScopeType.Output, inputBus);
recorder.SetAudioFormat(audioFormat, AudioUnitScopeType.Input, outputBus);
recorder.SetInputCallback(AudioInputCallBack, AudioUnitScopeType.Global, inputBus);
// TODO: Disable buffers (requires interop)
aBuffer = new AudioBuffer
{
NumberChannels = 1,
DataByteSize = 512 * 2,
Data = System.Runtime.InteropServices.Marshal.AllocHGlobal(512 * 2)
};
}
private void startTalking(UdpClient audioCaller)
{
//Stop old recording session
//Generate new WaveFormat
// recorder.WaveFormat = new WaveFormat(16000, 16, 1);
// recorder.BufferMilliseconds = 50;
// recorder.DataAvailable += SendAudio; //Add event to SendAudio
// recorder = new InputAudioQueue (playerFormat);
//
//
// for (int i = 0; i < BUFFERCOUNT; i++) {
// IntPtr aBUff;
// //recorder.AllocateBuffer (AUDIOBUFFERSIZE, out aBUff);
// byteSize = AUDIOBUFFERSIZE * playerFormat.BytesPerPacket;
// recorder.AllocateBufferWithPacketDescriptors (byteSize, AUDIOBUFFERSIZE, out aBUff);
// recorder.EnqueueBuffer (aBUff, byteSize, null);
// Console.WriteLine ("Buffer allocated, enqueueing");
// }
//New stuffs
var inputComponent = AudioComponent.FindNextComponent(
null,
new AudioComponentDescription
{
ComponentFlags = 0,
ComponentFlagsMask = 0,
ComponentManufacturer = AudioComponentManufacturerType.Apple,
ComponentSubType = (int)AudioTypeOutput.Remote,
ComponentType = AudioComponentType.Output
});
recorder = inputComponent.CreateAudioUnit();
recorder.SetEnableIO(true, AudioUnitScopeType.Input, inputBus);
recorder.SetEnableIO(false, AudioUnitScopeType.Output, outputBus);
var audioFormat = new AudioStreamBasicDescription
{
SampleRate = Globals.SAMPLERATE,
Format = AudioFormatType.LinearPCM,
FormatFlags = AudioFormatFlags.IsSignedInteger | AudioFormatFlags.IsPacked,
FramesPerPacket = 1,
ChannelsPerFrame = 1,
BitsPerChannel = 16,
BytesPerPacket = 2,
BytesPerFrame = 2
};
recorder.SetAudioFormat(audioFormat, AudioUnitScopeType.Output, inputBus);
recorder.SetAudioFormat(audioFormat, AudioUnitScopeType.Input, outputBus);
recorder.SetInputCallback(AudioInputCallBack, AudioUnitScopeType.Global, inputBus);
// TODO: Disable buffers (requires interop)
aBuffer = new AudioBuffer
{
NumberChannels = 1,
DataByteSize = 512 * 2,
Data = System.Runtime.InteropServices.Marshal.AllocHGlobal(512 * 2)
};
isTalking = true;
//recorder.InputCompleted += SendAudio;
//recorder.Start ();
recorder.Initialize();
recorder.Start();
}