public static RealtimeHostConfig CreateConfig(RealtimeHostConfig config = null)
{
if (!PortAudio.Pa_IsInitialized)
PortAudio.Pa_Initialize();
var editor = new RealtimeHostConfigEditor();
if (config != null)
{
editor.InputDeviceID = config.InputDeviceID;
editor.OutputDeviceID = config.OutputDeviceID;
editor.Samplerate = config.Samplerate;
editor.Latency = (int)(config.InputLatencyMs * config.Samplerate);
editor.InputChannels = config.NumberOfInputs;
editor.OutputChannels = config.NumberOfOutputs;
}
editor.ShowDialog();
if (editor.OK == false)
return null;
else
{
var conf = new RealtimeHostConfig();
conf.InputDeviceID = editor.InputDeviceID;
conf.OutputDeviceID = editor.OutputDeviceID;
conf.NumberOfInputs = editor.InputChannels;
conf.NumberOfOutputs = editor.OutputChannels;
conf.Samplerate = editor.Samplerate;
conf.InputLatencyMs = editor.Latency / (double)editor.Samplerate;
conf.OutputLatencyMs = editor.Latency / (double)editor.Samplerate;
return conf;
}
}
public static RealtimeHostConfig CreateConfig(RealtimeHostConfig config = null)
{
if (!PortAudio.Pa_IsInitialized)
{
PortAudio.Pa_Initialize();
}
Application.EnableVisualStyles();
var editor = new RealtimeHostConfigEditor();
if (config != null)
{
var apiName = config.APIName;
var devices = GetSelectedDevices(apiName, config.InputDeviceID, config.OutputDeviceID, config.InputDeviceName, config.OutputDeviceName);
var realInputDeviceId = devices.Item1;
var realOutputDeviceId = devices.Item2;
var inDevice = PortAudio.Pa_GetDeviceInfo(realInputDeviceId);
var outDevice = PortAudio.Pa_GetDeviceInfo(realOutputDeviceId);
var numInputs = (config.NumberOfInputs < inDevice.maxInputChannels)
? config.NumberOfInputs
: inDevice.maxInputChannels;
var numOutputs = (config.NumberOfOutputs < inDevice.maxOutputChannels)
? config.NumberOfOutputs
: outDevice.maxOutputChannels;
editor.InputDeviceID = realInputDeviceId;
editor.OutputDeviceID = realOutputDeviceId;
editor.Samplerate = config.Samplerate;
editor.Latency = (int)(config.InputLatencyMs * config.Samplerate);
editor.InputChannels = numInputs;
editor.OutputChannels = numOutputs;
}
editor.ShowDialog();
if (editor.OK == false)
{
return(null);
}
else
{
var conf = new RealtimeHostConfig();
conf.InputDeviceID = editor.InputDeviceID;
conf.OutputDeviceID = editor.OutputDeviceID;
conf.NumberOfInputs = editor.InputChannels;
conf.NumberOfOutputs = editor.OutputChannels;
conf.Samplerate = editor.Samplerate;
conf.InputLatencyMs = editor.Latency / (double)editor.Samplerate;
conf.OutputLatencyMs = editor.Latency / (double)editor.Samplerate;
var supported = PortAudio.Pa_IsFormatSupported(ref conf.inputParameters, ref conf.outputParameters, conf.Samplerate);
if (supported == PortAudio.PaError.paInvalidSampleRate)
{
throw new InvalidFormatException("The samplerate you have selected is not supported by the device");
}
if (supported == PortAudio.PaError.paInvalidChannelCount)
{
throw new InvalidFormatException("The number of inputs or outputs you have selected is not supported by the device");
}
if (supported != PortAudio.PaError.paNoError)
{
throw new InvalidFormatException("The configuration you have selected is not supported by the device");
}
return(conf);
}
}
