public SuperWAVProvider(SuperWAV inputFileA)
{
inputFile = inputFileA;
wavInfo = inputFile.getWavInfo();
waveFormat = WaveFormat.CreateIeeeFloatWaveFormat((int)wavInfo.sampleRate, wavInfo.channelCount);
// Float is how we deliver.
}
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;
}
}
