// Check if the app has mic permissions. If not, query user for access
private async Task CheckAndEnableMic()
{
bool isMicAvailable = true;
try
{
var mediaCapture = new Windows.Media.Capture.MediaCapture();
var settings = new Windows.Media.Capture.MediaCaptureInitializationSettings();
settings.StreamingCaptureMode = Windows.Media.Capture.StreamingCaptureMode.Audio;
await mediaCapture.InitializeAsync(settings);
}
catch (Exception)
{
isMicAvailable = false;
}
if (!isMicAvailable)
{
await Windows.System.Launcher.LaunchUriAsync(new Uri("ms-settings:privacy-microphone"));
}
else
{
UpdateUI(() =>
{
this.Messages.Add(new MessageDisplay("Microphone enabled", Sender.Other));
});
}
}
public async Task <bool> GetPermissionsAsync()
{
var isMicAvailable = true;
try
{
using (var mediaCapture = new Windows.Media.Capture.MediaCapture())
{
var settings = new Windows.Media.Capture.MediaCaptureInitializationSettings
{
StreamingCaptureMode = Windows.Media.Capture.StreamingCaptureMode.Audio
};
await mediaCapture.InitializeAsync(settings);
}
}
catch (Exception)
{
isMicAvailable = false;
}
if (!isMicAvailable)
{
await Windows.System.Launcher.LaunchUriAsync(new Uri("ms-settings:privacy-microphone"));
}
return(isMicAvailable);
}
private static async Task EnsureMicIsEnabled()
{
bool isMicAvailable = true;
try
{
var mediaCapture = new Windows.Media.Capture.MediaCapture();
var settings = new Windows.Media.Capture.MediaCaptureInitializationSettings();
settings.StreamingCaptureMode = Windows.Media.Capture.StreamingCaptureMode.Audio;
await mediaCapture.InitializeAsync(settings);
}
catch (Exception)
{
isMicAvailable = false;
}
if (!isMicAvailable)
{
await Windows.System.Launcher.LaunchUriAsync(new Uri("ms-settings:privacy-microphone"));
}
else
{
Trace.WriteLine("Microphone already enabled");
}
}
public static async Task EnableMicrophone()
{
if (IsMicAvailable)
{
return;
}
IsMicAvailable = true;
try
{
var mediaCapture = new Windows.Media.Capture.MediaCapture();
var settings = new Windows.Media.Capture.MediaCaptureInitializationSettings();
settings.StreamingCaptureMode = Windows.Media.Capture.StreamingCaptureMode.Audio;
await mediaCapture.InitializeAsync(settings);
}
catch (Exception)
{
IsMicAvailable = false;
}
if (!IsMicAvailable)
{
await Windows.System.Launcher.LaunchUriAsync(new Uri("ms-settings:privacy-microphone"));
}
else
{
Debug.WriteLine("Microphone was enabled");
}
}
private async void EnableMicrophoneButton_Click(object sender, RoutedEventArgs e)
{
bool isMicAvailable = true;
try
{
var mediaCapture = new Windows.Media.Capture.MediaCapture();
var settings = new Windows.Media.Capture.MediaCaptureInitializationSettings();
settings.StreamingCaptureMode = Windows.Media.Capture.StreamingCaptureMode.Audio;
await mediaCapture.InitializeAsync(settings);
}
catch (Exception)
{
isMicAvailable = false;
}
if (!isMicAvailable)
{
await Windows.System.Launcher.LaunchUriAsync(new Uri("ms-settings:privacy-microphone"));
}
else
{
NotifyUser("Microphone was enabled", NotifyType.StatusMessage);
this.EnableMicrophoneButton.IsEnabled = false;
this.RecognizeKeywordButton.IsEnabled = true;
}
}
private static async Task SetupCapturMedia()
{
var mediaCapture = new Windows.Media.Capture.MediaCapture();
var settings = new Windows.Media.Capture.MediaCaptureInitializationSettings();
settings.StreamingCaptureMode = Windows.Media.Capture.StreamingCaptureMode.Audio;
await mediaCapture.InitializeAsync(settings);
}
private async void EnableMicrophone()
{
try
{
var mediaCapture = new Windows.Media.Capture.MediaCapture();
var settings = new Windows.Media.Capture.MediaCaptureInitializationSettings();
settings.StreamingCaptureMode = Windows.Media.Capture.StreamingCaptureMode.Audio;
await mediaCapture.InitializeAsync(settings);
}
catch (Exception)
{
MyMessageBox("No se pudo inicializar el micrófono");
}
}
private async Task CheckMicSettings()
{
try
{
var mediaCapture = new Windows.Media.Capture.MediaCapture();
var settings = new Windows.Media.Capture.MediaCaptureInitializationSettings();
settings.StreamingCaptureMode = Windows.Media.Capture.StreamingCaptureMode.Audio;
await mediaCapture.InitializeAsync(settings);
}
catch (Exception exp)
{
LogOutput($"Error initialing mic: {exp}");
}
}
private int intDelay = 200; // Record Time in millesecond...
// Short time - increase repetet noise ...
// Long time - create echo ...
// I think 200ms is optimum ...
// If you use headphones - best time will be 500..1000ms ...
private async void btnStart_Click(object sender, RoutedEventArgs e)
{
blnStart = true;
btnStart.Visibility = Visibility.Collapsed;
btnStop.Visibility = Visibility.Visible;
textBlock.Visibility = Visibility.Visible;
mediaCaptureAudioPrimery = new Windows.Media.Capture.MediaCapture();
var settings = new Windows.Media.Capture.MediaCaptureInitializationSettings();
settings.StreamingCaptureMode = Windows.Media.Capture.StreamingCaptureMode.Audio;
settings.MediaCategory = Windows.Media.Capture.MediaCategory.Other;
settings.AudioProcessing = Windows.Media.AudioProcessing.Default; // Use only Default
await mediaCaptureAudioPrimery.InitializeAsync(settings);
recordProfile = MediaEncodingProfile.CreateWav(Windows.Media.MediaProperties.AudioEncodingQuality.Low);
while (blnStart) // Repeate untile stop ...
{
try
{
msIRAS0 = new MemoryStream();
streamIRAS0 = msIRAS0.AsRandomAccessStream(); // New Stream ...
await mediaCaptureAudioPrimery.StartRecordToStreamAsync(recordProfile, streamIRAS0); // write audio in first stream ...
await Task.Delay(intDelay);
await mediaCaptureAudioPrimery.StopRecordAsync(); // Stop first stream
await PlayThreadMethod(streamIRAS0); // Play from first stream
msIRAS1 = new MemoryStream();
streamIRAS1 = msIRAS0.AsRandomAccessStream(); // Second Stream ...
await mediaCaptureAudioPrimery.StartRecordToStreamAsync(recordProfile, streamIRAS1); // sweetch stream ... to second stream ...
await Task.Delay(intDelay);
await mediaCaptureAudioPrimery.StopRecordAsync();
await PlayThreadMethod(streamIRAS1); // Play Second Streem
}
catch (Exception ex)
{
Stop();
}
}
}
/// <summary>
/// Open Microphone
/// </summary>
private async void EnableMicrophone()
{
bool isMicAvailable = true;
try
{
var mediaCapture = new Windows.Media.Capture.MediaCapture();
var settings = new Windows.Media.Capture.MediaCaptureInitializationSettings();
settings.StreamingCaptureMode = Windows.Media.Capture.StreamingCaptureMode.Audio;
await mediaCapture.InitializeAsync(settings);
}
catch (Exception)
{
isMicAvailable = false;
}
if (!isMicAvailable)
{
await Windows.System.Launcher.LaunchUriAsync(new Uri("ms-settings:privacy-microphone"));
}
else
{
NotifyUser("Microphone was enabled", NotifyType.StatusMessage);
}
}