private void button1_Click(object sender, EventArgs e)
{
// Thread.CurrentThread.Priority = ThreadPriority.Highest;
// popup the driver's control panel for configuration
driver.ShowControlPanel();
// get our driver wrapper to create its buffers
driver.CreateBuffers(false);
// create a an array of standard sized buffers with a size of 100
Program._delayBuffer = new float[driver.BufferSizex.PreferredSize, Program.MaxBuffers];
listBox1.Items.Add("buffer size " + Program._delayBuffer.Length + driver.BufferSizex.MinSize);
// this is our buffer fill event we need to respond to
driver.BufferUpdate += new EventHandler(AsioDriver_BufferUpdate);
// and off we go
driver.Start();
}
/// <summary>
/// Starts sampling audio from a specific device.
/// </summary>
public void Start(AsioSamplingServiceArgs args)
{
if (Thread.CurrentThread.GetApartmentState() != ApartmentState.STA)
throw new Exception("Thread must run in STA for ASIO sampling to work");
_currentDriver = args.Driver;
if (!args.Driver.InputChannels.Contains(args.Channel))
throw new Exception("Input channel must be in driver.InputChannels");
// The order here is key
// Create buffers before selecting the channel
_currentDriver.CreateBuffers(false);
_currentInputChannel = args.Driver.InputChannels.Where(x => x.Name == args.Channel.Name).Single();
args.Driver.BufferUpdate += new EventHandler(driver_BufferUpdate);
_currentDriver.Start();
}
// STAThread is ESSENTIAL to make this work
[STAThread] public static void Main(string[] args)
{
// no messing, this is high priority stuff
Thread.CurrentThread.Priority = ThreadPriority.Highest;
Process myP = Process.GetCurrentProcess();
myP.ProcessorAffinity = (IntPtr)1;
// make sure we have at least one ASIO driver installed
if (AsioDriver.InstalledDrivers.Length == 0)
{
Console.WriteLine("There appears to be no ASIO drivers installed on your system.");
Console.WriteLine("If your soundcard supports ASIO natively, install the driver");
Console.WriteLine("from the support disc. If your soundcard has no native ASIO support");
Console.WriteLine("you can probably use the generic ASIO4ALL driver.");
Console.WriteLine("You can download this from: http://www.asio4all.com/");
Console.WriteLine("It's very good!");
Console.WriteLine();
Console.WriteLine("Hit Enter to exit...");
Console.ReadLine();
return;
}
// bingo, we've got at least one
Console.WriteLine("Your system has the following ASIO drivers installed:");
Console.WriteLine();
// so iterate through them
for (int index = 0; index < AsioDriver.InstalledDrivers.Length; index++)
{
// and display them
Console.WriteLine(string.Format(" {0}. {1}", index + 1, AsioDriver.InstalledDrivers[index]));
}
Console.WriteLine();
int driverNumber = 0;
// get them to choose one
while (driverNumber < 1 || driverNumber > AsioDriver.InstalledDrivers.Length)
{
// we'll keep telling them this until they make a valid selection
Console.Write("Select which driver you wish to use (x for exit): ");
ConsoleKeyInfo key = Console.ReadKey();
Console.WriteLine();
// deal with exit condition
if (key.KeyChar == 'x') return;
// convert from ASCII to int
driverNumber = key.KeyChar - 48;
}
Console.WriteLine();
Console.WriteLine("Using: " + AsioDriver.InstalledDrivers[driverNumber - 1]);
Console.WriteLine();
// load and activate the desited driver
AsioDriver driver = AsioDriver.SelectDriver(AsioDriver.InstalledDrivers[driverNumber - 1]);
// popup the driver's control panel for configuration
driver.ShowControlPanel();
// now dump some details
Console.WriteLine(" Driver name = " + driver.DriverName);
Console.WriteLine(" Driver version = " + driver.Version);
Console.WriteLine(" Input channels = " + driver.NumberInputChannels);
Console.WriteLine(" Output channels = " + driver.NumberOutputChannels);
Console.WriteLine(" Min buffer size = " + driver.BufferSizex.MinSize);
Console.WriteLine(" Max buffer size = " + driver.BufferSizex.MaxSize);
Console.WriteLine(" Preferred buffer size = " + driver.BufferSizex.PreferredSize);
Console.WriteLine(" Granularity = " + driver.BufferSizex.Granularity);
Console.WriteLine(" Sample rate = " + driver.SampleRate);
// get our driver wrapper to create its buffers
driver.CreateBuffers(false);
// write out the input channels
Console.WriteLine(" Input channels found = " + driver.InputChannels.Length);
Console.WriteLine(" ----");
foreach (Channel channel in driver.InputChannels)
{
Console.WriteLine(channel.Name);
}
// and the output channels
Console.WriteLine(" Output channels found = " + driver.OutputChannels.Length);
Console.WriteLine("----");
foreach (Channel channel in driver.OutputChannels)
{
Console.WriteLine(channel.Name);
}
Console.Write("Select which effect you wish to use (1 = delay, 2 = flanger, 3 = phaser, 4 = reverb): ");
ConsoleKeyInfo useEffect = Console.ReadKey();
if (useEffect.KeyChar == '1')
effectType = effect.delay;
else if (useEffect.KeyChar == '2')
effectType = effect.flanger;
else if (useEffect.KeyChar == '3')
effectType = effect.phaser;
else if (useEffect.KeyChar == '4')
effectType = effect.reverb;
else
effectType = effect.none;
// create standard sized buffers with a size of PreferredSize x MaxBuffers
_delayBuffer = new float[driver.BufferSizex.PreferredSize, MaxBuffers];
// create a feedback buffer for the delay effect
_delayFBbuffer = new float[driver.BufferSizex.PreferredSize, MaxBuffers];
// create a input buffer for reverb effect
_delayINbuffer = new float[driver.BufferSizex.PreferredSize, MaxBuffers];
// create a output buffer for reverb effect
_delayOUTbuffer = new float[driver.BufferSizex.PreferredSize, MaxBuffers];
// this is our buffer fill event we need to respond to
driver.BufferUpdate += new EventHandler(AsioDriver_BufferUpdate);
// and off we go
driver.Start();
// create a wav file for recording
wav.Create("test.wav", true, 44100, 16);
// wait for enter key
Console.WriteLine();
Console.WriteLine("Press Enter to end");
Console.ReadLine();
// and all done
driver.Stop();
// close the wav file
wav.Close();
}
public static void StartDriver()
{
// This apartment state is required for the ASIOOutput.StartDriver method
// If an execption is thrown here that's because you need [STAThread] attribute on your static void Main(string[] args) method
// or you need to set this thread's ApartmentState to STA before starting the thread.
Thread.CurrentThread.SetApartmentState(ApartmentState.STA);
// make sure we have at least one ASIO driver installed
if (AsioDriver.InstalledDrivers.Length == 0)
{
Console.WriteLine("There appears to be no ASIO drivers installed on your system.");
Console.WriteLine("If your soundcard supports ASIO natively, install the driver");
Console.WriteLine("from the support disc. If your soundcard has no native ASIO support");
Console.WriteLine("you can probably use the generic ASIO4ALL driver.");
Console.WriteLine("You can download this from: http://www.asio4all.com/");
Console.WriteLine("It's very good!");
Console.WriteLine();
Console.WriteLine("Hit Enter to exit...");
Console.ReadLine();
return;
}
// bingo, we've go at least one
Console.WriteLine("Your system has the following ASIO drivers installed:");
Console.WriteLine();
// so iterate through them
for (int index = 0; index < AsioDriver.InstalledDrivers.Length; index++)
{
// and display them
Console.WriteLine($" {index + 1}. {AsioDriver.InstalledDrivers[index]}");
}
Console.WriteLine();
// Currently hardcoded: todo: make it not.
int driverNumber = 2;
Console.WriteLine();
Console.WriteLine("Using: " + AsioDriver.InstalledDrivers[driverNumber - 1]);
Console.WriteLine();
// load and activate the desited driver
AsioDriver driver = AsioDriver.SelectDriver(AsioDriver.InstalledDrivers[driverNumber - 1]);
// popup the driver's control panel for configuration
//driver.ShowControlPanel();
// now dump some details
Console.WriteLine(" Driver name = " + driver.DriverName);
Console.WriteLine(" Driver version = " + driver.Version);
Console.WriteLine(" Input channels = " + driver.NumberInputChannels);
Console.WriteLine(" Output channels = " + driver.NumberOutputChannels);
Console.WriteLine(" Min buffer size = " + driver.BufferSizex.MinSize);
Console.WriteLine(" Max buffer size = " + driver.BufferSizex.MaxSize);
Console.WriteLine(" Preferred buffer size = " + driver.BufferSizex.PreferredSize);
Console.WriteLine(" Granularity = " + driver.BufferSizex.Granularity);
Console.WriteLine(" Sample rate = " + driver.SampleRate);
if (driver.SampleRate != FrameOutput.SAMPLES_PER_SECOND)
{
throw new Exception("Driver sample rate is different than what the game expects. Please adjust driver settings to have a " + FrameOutput.SAMPLES_PER_SECOND + " sample rate.");
}
// get our driver wrapper to create its buffers
driver.CreateBuffers(false);
// write out the input channels
Console.WriteLine(" Input channels found = " + driver.InputChannels.Length);
Console.WriteLine(" ----");
foreach (Channel channel in driver.InputChannels)
{
Console.WriteLine(channel.Name);
}
// and the output channels
Console.WriteLine(" Output channels found = " + driver.OutputChannels.Length);
Console.WriteLine("----");
foreach (Channel channel in driver.OutputChannels)
{
Console.WriteLine(channel.Name);
}
// this is our buffer fill event we need to respond to
driver.BufferUpdate += new EventHandler(AsioDriver_BufferUpdate);
// and off we go
driver.Start();
//while(true)
//{
// Thread.Sleep(100);
//}
//// and all donw
//driver.Stop();
}
