private void Start()
{
// allow change device
if (asioOut != null &&
(asioOut.DriverName != comboBoxAsioDevice.Text ||
asioOut.ChannelOffset != GetUserSpecifiedChannelOffset()))
{
asioOut.AudioAvailable -= OnAsioOutAudioAvailable;
asioOut.Dispose();
asioOut = null;
}
int recordChannelCount = GetUserSpecifiedChannelCount();
// create device if necessary
if (asioOut == null)
{
asioOut = new AsioOut(comboBoxAsioDevice.Text);
asioOut.InputChannelOffset = GetUserSpecifiedChannelOffset();
asioOut.InitRecordAndPlayback(null, recordChannelCount, 44100);
asioOut.AudioAvailable += OnAsioOutAudioAvailable;
}
fileName = Path.Combine(Path.GetTempPath(), Guid.NewGuid() + ".wav");
writer = new WaveFileWriter(fileName, new WaveFormat(44100, recordChannelCount));
asioOut.Play();
timer1.Enabled = true;
SetButtonStates();
}
public AsioSampleProvider(string driverName, int sampleRate = 44100, int numChannels = 2)
{
this.sampleRate = sampleRate;
this.numChannels = numChannels;
//For now assuming ASIO in is PCM 16 (H6 input is PCM 16bit and not planning to use another interface)
//In future may need some sort of data conversion
this.WaveFormat = new WaveFormat(sampleRate, numChannels);
waveProvider = new BufferedWaveProvider(this.WaveFormat);
sampleProvider = waveProvider.ToSampleProvider();
try
{
asio = new AsioOut(driverName);
asio.InitRecordAndPlayback(null, numChannels, sampleRate);
asio.AudioAvailable += OnAudioAvailable;
asio.Play();
Debug.Log(string.Format("Asio Playing: {0}", asio.PlaybackState));
}
catch (System.ArgumentException e)
{
Debug.Log(string.Format("Invalid ASIO Driver Name: {0}", e));
}
catch (System.Exception e)
{
Debug.Log(string.Format("Unknown ASIO Error: {0}", e));
}
}
public MainWindow()
{
String[] drivernames = AsioOut.GetDriverNames();
ASIODriver = new AsioOut(drivernames[0]);
buffer = new BufferedWaveProvider(new WaveFormat());
ASIODriver.AudioAvailable += new EventHandler <AsioAudioAvailableEventArgs>(ASIODriver_AudioAvailable);
ASIODriver.InitRecordAndPlayback(buffer, 2, 44100);
ASIODriver.Play();
}
public void Setup()
{
var drives = AsioOut.GetDriverNames();
asioOut = new AsioOut("ASIO4ALL v2");
//asioOut.InputChannelOffset = inputNumber;
asioOut.InitRecordAndPlayback(null, 1, sampleRate);
asioOut.AudioAvailable += OnAsioAudioAvailable;
}
private static AsioOut PrepareAsioOut()
{
var names = AsioOut.GetDriverNames();
var asioDriverName = names[0];
var asioOut = new AsioOut(asioDriverName);
//var inputChannels = asioOut.DriverInputChannelCount;
asioOut.InputChannelOffset = 0;
asioOut.InitRecordAndPlayback(null, 1, SampleRate);
return(asioOut);
}
private void initialise()
{
inputMapper.Name = driver.DriverName;
outputMapper.Name = driver.DriverName;
inputMapper.Initialise(format, driver);
outputMapper.Initialise(format, driver);
driver.InitRecordAndPlayback(
outputMapper.OutputBuffer,
inputMapper.Format.Channels,
inputMapper.Format.SampleRate);
#if DEBUG
driver.ShowControlPanel();
#endif
initialised = true;
}
private void OnButtonBeginClick(object sender, RoutedEventArgs e)
{
if (!running)
{
running = true;
asioOut = new AsioOut((string)comboAsioDevices.SelectedItem);
int inputChannels = asioOut.DriverInputChannelCount; // that's all my soundcard has :(
int outputChannels = Math.Min(asioOut.DriverOutputChannelCount, 4); // support up to 4
inputPatcher = new AsioInputPatcher(44100, inputChannels, outputChannels);
int ignored = 0; // yuck, really need to improve my API
asioOut.InitRecordAndPlayback(new SampleToWaveProvider(inputPatcher),
inputChannels, ignored);
asioOut.AudioAvailable += OnAsioOutAudioAvailable;
SetSliders();
asioOut.Play();
buttonBegin.Content = "Stop";
}
else
{
Stop();
}
}
public static void Main(string[] args)
{
var names = AsioOut.GetDriverNames();
var asioDriverName = names[0];
Console.WriteLine("Selected ASIO driver: {0}", asioDriverName);
var asioOut = new AsioOut(asioDriverName);
//var inputChannels = asioOut.DriverInputChannelCount;
asioOut.InputChannelOffset = 0;
asioOut.InitRecordAndPlayback(null, 1, SampleRate);
asioOut.AudioAvailable += OnAsioOutAudioAvailable;
var soundProcessTask = Task.Run(ProcessAudioData, CancellationTokenSource.Token)
.ContinueWith(t =>
{
t.Exception?.Handle(e => true);
Console.WriteLine("You have canceled the Sound Process task");
}, TaskContinuationOptions.OnlyOnCanceled);
var playerTask = Task.Run(PlayAlarm, CancellationTokenSource.Token)
.ContinueWith(t =>
{
t.Exception?.Handle(e => true);
Console.WriteLine("You have canceled the PlayAlarm task");
}, TaskContinuationOptions.OnlyOnCanceled);
;
asioOut.Play(); // start recording
Console.WriteLine("Press ENTER to exit");
Console.ReadLine();
asioOut.Stop();
CancellationTokenSource.Cancel();
Task.WaitAll(soundProcessTask, playerTask);
}
public async IAsyncEnumerable <Sample[]> EnumerateSamplesAsync(InputOption option, [EnumeratorCancellation] CancellationToken token = default)
{
if (string.IsNullOrEmpty(option.OptionName))
{
throw new ConfigurationNeededException();
}
using var asio = new AsioOut(option.OptionName);
option.SamplingFrequency = 44100;
var wavprov = new BufferedWaveProvider(new WaveFormat(option.SamplingFrequency, 1));
values = new float[samplesBatchSize];
asio.AudioAvailable += HandleBuffer;
//asio.InitRecordAndPlayback(wavprov, 1, 44100);
asio.InitRecordAndPlayback(null, 1, option.SamplingFrequency);
asio.Play();
while (await sampleQueue.OutputAvailableAsync(token))
{
var samples = await sampleQueue.TakeAsync(token);
yield return(samples);
}
asio.AudioAvailable -= HandleBuffer;
}
static void Main(string[] args)
{
var sampleRate = 48000;
var bitDepth = 24;
var byteDepth = bitDepth / 8;
var devices = AsioOut.GetDriverNames();
// 使用するデバイスを決定する
Console.WriteLine("# Input Device");
var srcIndex = SelectDeviceIndex(devices);
Console.WriteLine("# Output Device");
var dstIndex = SelectDeviceIndex(devices);
// デバイスのルーティング設定
// TEST: srcのMASTER OUT L, RをdstのLRに当てることにする
var routingChannels = new int[] { 12, 13 }; // srcのチャンネル番号を並べて書く
// あとはよしなに
using (var src = new AsioOut(devices[srcIndex]))
using (var dst = new AsioOut(devices[dstIndex])) {
// ルーティングテーブルがイマイチの場合に補完する
var routingChannelDiff = dst.DriverOutputChannelCount - routingChannels.Length;
if (routingChannelDiff > 0)
{
Console.WriteLine($"Warning: RoutingChannel added {routingChannelDiff} empty channles");
routingChannels = routingChannels.Concat(Enumerable.Repeat(-1, routingChannelDiff)).ToArray();
}
else if (routingChannelDiff < 0)
{
Console.WriteLine($"Warning: RoutingChannel resize {routingChannelDiff}");
routingChannels = routingChannels.Take(dst.DriverOutputChannelCount).ToArray();
}
Console.WriteLine($"RoutingChannels: [{string.Join(",", routingChannels)}]");
// Output Setting
var bufferProvider = new BufferedWaveProvider(new WaveFormat(sampleRate, bitDepth, dst.DriverOutputChannelCount));
dst.Init(bufferProvider);
dst.Play();
// Input Setting
float[] srcBuffer = null;
byte[] dstBuffer = null;
src.AudioAvailable += (sx, ex) => {
if (srcBuffer == null)
{
srcBuffer = new float[ex.SamplesPerBuffer * src.DriverInputChannelCount]; // 1ch[0:511], 2ch[512:... nch
dstBuffer = new byte[ex.SamplesPerBuffer * dst.DriverOutputChannelCount * byteDepth];
Console.WriteLine("# Source");
Console.WriteLine($"\tDriverName: {src.DriverName}");
Console.WriteLine($"\tDriverInputChannelCount: {src.DriverInputChannelCount}");
Console.WriteLine($"\tDriverOutputChannelCount: {src.DriverOutputChannelCount}");
Console.WriteLine($"\tSamplePerBuffer: {ex.SamplesPerBuffer}");
Console.WriteLine($"\tAsioSampleType: {ex.AsioSampleType}");
Console.WriteLine($"\tsrcBufferSize: {srcBuffer.Length}");
Console.WriteLine("# Destination");
Console.WriteLine($"\tDriverName: {dst.DriverName}");
Console.WriteLine($"\tDriverInputChannelCount: {dst.DriverInputChannelCount}");
Console.WriteLine($"\tDriverOutputChannelCount: {dst.DriverOutputChannelCount}");
Console.WriteLine($"\tdstBufferSize: {dstBuffer.Length}");
}
ex.GetAsInterleavedSamples(srcBuffer);
// データの書き込み src -> dst
for (int dataPtr = 0; dataPtr < ex.SamplesPerBuffer; ++dataPtr)
{
for (int ch = 0; ch < routingChannels.Length; ++ch)
{
// src 1sampleのデータをbyteDepthに分割して書き込む
UInt32 raw;
if (routingChannels[ch] == -1)
{
raw = 0;
}
else
{
var srcPtr = dataPtr + (routingChannels[ch] * ex.SamplesPerBuffer);
Int32 sample = (Int32)(srcBuffer[srcPtr] * Int32.MaxValue);
raw = (UInt32)sample;
}
var dstPtr = ((dataPtr * routingChannels.Length) + ch) * byteDepth;
for (int byteOffset = 0; byteOffset < byteDepth; ++byteOffset)
{
dstBuffer[dstPtr + byteOffset] = (byte)((raw >> (8 * (3 - byteOffset))) & 0xff);
}
}
}
bufferProvider.AddSamples(dstBuffer, 0, dstBuffer.Length);
};
src.InitRecordAndPlayback(null, src.DriverInputChannelCount, sampleRate);
src.Play();
Console.ReadKey();
}
}
public void Init()
{
ASIO = new AsioOut(selected_device);
ASIO.InitRecordAndPlayback(new BufferedWaveProvider(format), format.Channels, format.SampleRate);
ASIO.AudioAvailable += ASIO_AudioAvailable;
}
protected override SinkSourceMode driverConnect()
{
if (selectedDriver <= 0)
{
return(SinkSourceMode.Offline);
}
owner.logText(String.Format("Opening ASIO Device {0}", driverNames[selectedDriver]));
try
{
waveDev = new AsioOut(driverNames[selectedDriver]);
waveDev.ChannelOffset = 0;
waveDev.InputChannelOffset = 0;
if ((waveDev.DriverInputChannelCount == 0) && (waveDev.DriverOutputChannelCount == 0))
{
throw new Exception(String.Format("ASIO Driver {0} proveides no Input or output channels", driverNames[selectedDriver]));
}
RTIO[] ins = new RTIO[min(waveDev.DriverInputChannelCount, maxChannels)];
RTIO[] outs = new RTIO[min(waveDev.DriverOutputChannelCount, maxChannels)];
if ((waveDev.DriverInputChannelCount > 0) && (maxChannels > 0))
{
ins[0] = ioI1;
}
if ((waveDev.DriverInputChannelCount > 1) && (maxChannels > 1))
{
ins[1] = ioI2;
}
if ((waveDev.DriverInputChannelCount > 2) && (maxChannels > 2))
{
ins[2] = ioI3;
}
if ((waveDev.DriverInputChannelCount > 3) && (maxChannels > 3))
{
ins[3] = ioI4;
}
if ((waveDev.DriverInputChannelCount > 4) && (maxChannels > 4))
{
ins[4] = ioI5;
}
if ((waveDev.DriverInputChannelCount > 5) && (maxChannels > 5))
{
ins[5] = ioI6;
}
if ((waveDev.DriverInputChannelCount > 6) && (maxChannels > 6))
{
ins[6] = ioI7;
}
if ((waveDev.DriverInputChannelCount > 7) && (maxChannels > 7))
{
ins[7] = ioI8;
}
if ((waveDev.DriverOutputChannelCount > 0) && (maxChannels > 0))
{
outs[0] = ioO1;
}
if ((waveDev.DriverOutputChannelCount > 1) && (maxChannels > 1))
{
outs[1] = ioO2;
}
if ((waveDev.DriverOutputChannelCount > 2) && (maxChannels > 2))
{
outs[2] = ioO3;
}
if ((waveDev.DriverOutputChannelCount > 3) && (maxChannels > 3))
{
outs[3] = ioO4;
}
if ((waveDev.DriverOutputChannelCount > 4) && (maxChannels > 4))
{
outs[4] = ioO5;
}
if ((waveDev.DriverOutputChannelCount > 5) && (maxChannels > 5))
{
outs[5] = ioO6;
}
if ((waveDev.DriverOutputChannelCount > 6) && (maxChannels > 6))
{
outs[6] = ioO7;
}
if ((waveDev.DriverOutputChannelCount > 7) && (maxChannels > 7))
{
outs[7] = ioO8;
}
setChannels(outs, ins);
if (waveProvider == null)
{
waveProvider = new NAudioShortWaveProvider(this);
}
waveProvider.SetWaveFormat(owner.sampleRate, toDriverChannels);
if (fromDriverChannels == 0)
{
waveDev.InitRecordAndPlayback(waveProvider, 0, owner.sampleRate);
}
else if (toDriverChannels == 0)
{
waveDev.InitRecordAndPlayback(null, fromDriverChannels, owner.sampleRate);
}
else
{
waveDev.InitRecordAndPlayback(waveProvider, fromDriverChannels, owner.sampleRate);
}
if (fromDriverChannels > 0)
{
waveDev.AudioAvailable += ASIO_AudioAvailable;
}
waveDev.Play();
if (fromDriverChannels == 0)
{
processingType = ProcessingType.SynchronousSource;
}
else
{
processingType = ProcessingType.SynchronousSink;
}
owner.logText(String.Format("ASIO Device {0} open", driverNames[selectedDriver]));
return(SinkSourceMode.Online);
}
catch (Exception e)
{
owner.showLogWin();
owner.logText(e.Message);
return(SinkSourceMode.Error);
}
}
public void StartRecording()
{
_asioOut?.InitRecordAndPlayback(null, _waveFormat.Channels, _waveFormat.SampleRate);
_asioOut?.Play();
}
const int EXTRARECORDINGTIME = 10;// Extra recording time in seconds. Make sure we dont miss anything.
private void processAudioFile()
{
goBtn.IsEnabled = false;
asioDevice.IsEnabled = false;
bool fail = true;
OpenFileDialog ofd = new OpenFileDialog();
ofd.Title = "Select w64 file to process";
if (ofd.ShowDialog() == true)
{
SaveFileDialog sfd = new SaveFileDialog();
string suffix = "";
sfd.FileName = ofd.FileName + ".ASIOLFLA" + suffix + ".w64";
if (sfd.ShowDialog() == true)
{
SuperWAV inputAudio = new SuperWAV(ofd.FileName);
SuperWAV.WavInfo inInfo = inputAudio.getWavInfo();
if (inInfo.channelCount != 2)
{
MessageBox.Show("Only files with a channel count of 2 supported.");
}
else
{
fail = false;
// Allocate an output file.
SuperWAV outputAudio = new SuperWAV(sfd.FileName, SuperWAV.WavFormat.WAVE64, inInfo.sampleRate, 2, inInfo.audioFormat, inInfo.bitsPerSample);
ConcurrentQueue <float[]> sampleBuffer = new ConcurrentQueue <float[]>();
float[] tmp;
bool processingActive = true;
UInt64 outputFileOffset = 0;
// Do actual processing.
AsioOut asioOut = new AsioOut(selectedAsioDevice);
SuperWAVProvider sampleProvider = new SuperWAVProvider(inputAudio);
IWaveProvider waveProvider = new SampleToWaveProvider(sampleProvider);
asioOut.InitRecordAndPlayback(waveProvider, 2, (int)inInfo.sampleRate);
asioOut.AudioAvailable += (object sender, AsioAudioAvailableEventArgs e) => {
sampleBuffer.Enqueue(e.GetAsInterleavedSamples());
};
_ = Task.Run(() => {
Task writerTask = Task.Run(() => {
float[] tmp2;
while (processingActive)
{
while (sampleBuffer.Count > 0)
{
if (!processingActive)
{
break;
}
if (sampleBuffer.TryDequeue(out tmp2))
{
outputAudio.writeFloatArrayFast(tmp2, outputFileOffset);
outputFileOffset += (ulong)tmp2.Length / 2;
}
}
System.Threading.Thread.Sleep(10); // Just make sure we don't eat up all CPU with constant checks of the queue, pointless
}
});
// Progress updates
Task progressTask = Task.Run(() => {
while (processingActive)
{
double progress = (double)sampleProvider.InputOffset / (inputAudio.DataLengthInTicks + inInfo.sampleRate * EXTRARECORDINGTIME);
Dispatcher.Invoke(() => {
progressBar.Value = progress * 100.0;
});
if (progress > 1.0)
{
processingActive = false;
asioOut.Stop();
}
System.Threading.Thread.Sleep(100);
}
});
writerTask.Wait();
progressTask.Wait();
Dispatcher.Invoke(() => {
goBtn.IsEnabled = true;
asioDevice.IsEnabled = true;
});
});
asioOut.Play(); // start recording
}
}
}
if (fail)
{
goBtn.IsEnabled = true;
asioDevice.IsEnabled = true;
}
}
