public void SetConfig(RealtimeHostConfig config)
{
if (config == null)
{
throw new ArgumentNullException();
}
var originalState = StreamState;
if (StreamState == StreamState.Started)
{
StopStream();
}
if (StreamState == StreamState.Stopped)
{
CloseStream();
}
if (StreamState != StreamState.Closed)
{
throw new Exception("Stream could not be closed, unable to change settings!");
}
Config = config;
if (originalState == StreamState.Started || originalState == StreamState.Open)
{
OpenStream();
}
if (originalState == StreamState.Started)
{
StartStream();
}
}
public static RealtimeHostConfig Deserialize(string serializedString)
{
try
{
var dict = serializedString
.Split('\n')
.Where(x => x.Contains('='))
.Select(x => x.Trim())
.ToDictionary(x => x.Split('=')[0].Trim(), x => x.Split('=')[1].Trim());
var apiName = dict["APIName"];
var inDeviceId = Convert.ToInt32(dict["InputDeviceID"]);
var outDeviceId = Convert.ToInt32(dict["OutputDeviceID"]);
var inputDeviceName = dict["InputDeviceName"];
var outputDeviceName = dict["OutputDeviceName"];
var numInputs = Convert.ToInt32(dict["NumberOfInputs"]);
var numOutputs = Convert.ToInt32(dict["NumberOfOutputs"]);
// fuzzy matching of devices as the deviceIds can change
// prefers a device that matches on apiName, deviceId and deviceName, but falls back to match only apiName and deviceName if not found
var devices = GetSelectedDevices(apiName, inDeviceId, outDeviceId, inputDeviceName, outputDeviceName);
var realInputDeviceId = devices.Item1;
var realOutputDeviceId = devices.Item2;
var inDevice = PortAudio.Pa_GetDeviceInfo(realInputDeviceId);
var outDevice = PortAudio.Pa_GetDeviceInfo(realOutputDeviceId);
if (inDevice.maxInputChannels < numInputs)
{
numInputs = inDevice.maxInputChannels;
}
if (outDevice.maxOutputChannels < numOutputs)
{
numOutputs = outDevice.maxOutputChannels;
}
var conf = new RealtimeHostConfig();
conf.InputDeviceID = realInputDeviceId;
conf.OutputDeviceID = realOutputDeviceId;
conf.NumberOfInputs = numInputs;
conf.NumberOfOutputs = numOutputs;
conf.Samplerate = Convert.ToInt32(dict["Samplerate"]);
conf.BufferSize = Convert.ToUInt32(dict["BufferSize"]);
return(conf);
}
catch
{
return(null);
}
}
public void SetConfig(RealtimeHostConfig config)
{
if (config == null)
throw new ArgumentNullException();
var originalState = StreamState;
if (StreamState == StreamState.Started)
StopStream();
if (StreamState == StreamState.Stopped)
CloseStream();
if (StreamState != StreamState.Closed)
throw new Exception("Stream could not be closed, unable to change settings!");
Config = config;
if (originalState == StreamState.Started || originalState == StreamState.Open)
OpenStream();
if (originalState == StreamState.Started)
StartStream();
}
public static RealtimeHostConfig Deserialize(string serializedString)
{
try
{
var dict = serializedString
.Split('\n')
.Where(x => x.Contains('='))
.Select(x => x.Trim())
.ToDictionary(x => x.Split('=')[0].Trim(), x => x.Split('=')[1].Trim());
var conf = new RealtimeHostConfig();
conf.InputDeviceID = Convert.ToInt32(dict["InputDeviceID"]);
conf.OutputDeviceID = Convert.ToInt32(dict["OutputDeviceID"]);
conf.NumberOfInputs = Convert.ToInt32(dict["NumberOfInputs"]);
conf.NumberOfOutputs = Convert.ToInt32(dict["NumberOfOutputs"]);
conf.Samplerate = Convert.ToInt32(dict["Samplerate"]);
conf.BufferSize = Convert.ToUInt32(dict["BufferSize"]);
return conf;
}
catch
{
return null;
}
}
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);
}
}
