public async void Stop()
{
recording = false;
await writer.FlushAsync();
writer.Close();
writer.Dispose();
Upload();
}
/// <summary>
/// Gets the job's media PCM data.
/// </summary>
/// <returns></returns>
static async Task <Tuple <byte[], int> > GetMediaAsWav(Stream src)
{
// convert PCM stream into WAV
using (var dst = new MemoryStream())
using (var pcm = new WaveFileReader(src))
using (var cnv = new WaveFormatConversionStream(new WaveFormat(8000, 16, pcm.WaveFormat.Channels), pcm))
using (var wav = new WaveFileWriter(dst, cnv.WaveFormat))
{
// run the conversion into the memory stream
await cnv.CopyToAsync(wav, 65536 - (65536 % cnv.BlockAlign));
await wav.FlushAsync();
wav.Close();
// execute the recognition
return(Tuple.Create(dst.ToArray(), cnv.WaveFormat.Channels));
}
}
private void RecordButton_Click(object sender, EventArgs e)
{
var dialog = new SaveFileDialog();
dialog.Filter = "Wave files | *.wav";
if (dialog.ShowDialog() != DialogResult.OK)
{
return;
}
outputFileName = dialog.FileName;
RecordButton.Enabled = false;
StopButton.Enabled = true;
capture = new WasapiLoopbackCapture();
var writer = new WaveFileWriter(outputFileName, capture.WaveFormat);
capture.DataAvailable += async(s, e) =>
{
if (writer != null)
{
await writer.WriteAsync(e.Buffer, 0, e.BytesRecorded);
await writer.FlushAsync();
}
};
capture.RecordingStopped += (s, e) =>
{
if (writer != null)
{
writer.Dispose();
writer = null;
}
RecordButton.Enabled = true;
capture.Dispose();
};
capture.StartRecording();
}
private void StartButton_Click(object sender, EventArgs e)
{
StartButton.Enabled = false;
StopButton.Enabled = true;
stopwatch.Start();
//-------------------SystemSoundRecord---------------------------
var dialog = new SaveFileDialog();
dialog.Filter = "Wave files | *.wav";
if (dialog.ShowDialog() != DialogResult.OK)
{
return;
}
outputFileNameSounds = dialog.FileName;
capture = new WasapiLoopbackCapture();
var writer = new WaveFileWriter(outputFileNameSounds, capture.WaveFormat);
capture.DataAvailable += async(s, ee) =>
{
if (writer != null)
{
await writer.WriteAsync(ee.Buffer, 0, ee.BytesRecorded);
await writer.FlushAsync();
}
};
capture.RecordingStopped += (s, ee) =>
{
if (writer != null)
{
writer.Dispose();
writer = null;
}
StartButton.Enabled = true;
capture.Dispose();
};
capture.StartRecording();
//------------------MicRecord----------------------------------
var micFileDialog = new SaveFileDialog();
micFileDialog.Filter = "Wave files | *.wav";
if (micFileDialog.ShowDialog() != DialogResult.OK)
{
return;
}
outputFileNameMic = micFileDialog.FileName;
wave = new WaveIn();
wave.WaveFormat = new WaveFormat(8000, 1); //44100, 1
wave.DeviceNumber = InputDeviceCombo.SelectedIndex;
wave.DataAvailable += Wave_DataAvailable;
wave.RecordingStopped += Wave_RecordingStopped;
writerMic = new WaveFileWriter(outputFileNameMic, wave.WaveFormat);
wave.StartRecording();
}
