public async void Record()
{
if (IsRecording)
{
throw new InvalidOperationException("Recording already in progress!");
}
Initialize();
//await DeleteExistingFile();
MediaCaptureInitializationSettings settings =
new MediaCaptureInitializationSettings
{
StreamingCaptureMode = StreamingCaptureMode.Audio
};
settings.AudioProcessing = Windows.Media.AudioProcessing.Raw;
_mediaCapture = new MediaCapture();
await _mediaCapture.InitializeAsync(settings);
await _mediaCapture.StartRecordToStreamAsync(
MediaEncodingProfile.CreateWav(AudioEncodingQuality.Low), _memoryBuffer);
//MediaEncodingProfile.CreateMp3(AudioEncodingQuality.Auto)
IsRecording = true;
}
private async void btnRecordEnroll_Click(object sender, RoutedEventArgs e)
{
txtInfo.Text = "";
if (lbProfiles.SelectedIndex < 0)
{
txtInfo.Text = "Get profiles and select one of them";
return;
}
if (CaptureMedia == null)
{
btnVerify.IsEnabled = false;
btnRecordEnroll.Content = "Stop record enrollment";
CaptureMedia = new MediaCapture();
var captureInitSettings = new MediaCaptureInitializationSettings();
captureInitSettings.StreamingCaptureMode = StreamingCaptureMode.Audio;
await CaptureMedia.InitializeAsync(captureInitSettings);
MediaEncodingProfile encodingProfile = MediaEncodingProfile.CreateWav(AudioEncodingQuality.High);
encodingProfile.Audio.ChannelCount = 1;
encodingProfile.Audio.SampleRate = 16000;
AudioStream = new InMemoryRandomAccessStream();
CaptureMedia.RecordLimitationExceeded += MediaCaptureOnRecordLimitationExceeded;
CaptureMedia.Failed += MediaCaptureOnFailed;
await CaptureMedia.StartRecordToStreamAsync(encodingProfile, AudioStream);
_etimer.Start();
}
else
{
_etimer.Stop();
await finishEnrollment();
}
}
public async Task StartRecordingAsync()
{
await mediaCapture.StartRecordToStreamAsync(mediaProfile, (InMemoryRandomAccessStream)RawWAVStream);
}
