private async void InternalAudioCheck()
{
try
{
loopbackAudioCapture = new LoopbackAudioCapture(MediaDevice.GetDefaultAudioRenderId(AudioDeviceRole.Default));
await loopbackAudioCapture.Start();
await loopbackAudioCapture.Stop();
loopbackAudioCapture = null;
}
catch (Exception)
{
AudioToggleSwitch.IsOn = false;
}
}
private async void InitializeCapture(SizeInt32 size, LoopbackAudioCapture loopbackAudioCapture)
{
_item.Closed += OnClosed;
_framePool = Direct3D11CaptureFramePool.CreateFreeThreaded(
_device,
DirectXPixelFormat.B8G8R8A8UIntNormalized,
1,
size);
_framePool.FrameArrived += OnFrameArrived;
_session = _framePool.CreateCaptureSession(_item);
if (loopbackAudioCapture != null)
{
await loopbackAudioCapture.Start();
}
_session.StartCapture();
}
public CaptureFrameWait(
IDirect3DDevice device,
GraphicsCaptureItem item,
SizeInt32 size,
LoopbackAudioCapture loopbackAudioCapture)
{
_device = device;
_d3dDevice = Direct3D11Helpers.CreateSharpDXDevice(device);
_multithread = _d3dDevice.QueryInterface <SharpDX.Direct3D11.Multithread>();
_multithread.SetMultithreadProtected(true);
_item = item;
_frameEvent = new ManualResetEvent(false);
_closedEvent = new ManualResetEvent(false);
_events = new[] { _closedEvent, _frameEvent };
InitializeBlankTexture(size);
InitializeCapture(size, loopbackAudioCapture);
}
private async void ToggleButton_Checked(object sender, RoutedEventArgs e)
{
var button = (ToggleButton)sender;
var folder = await KnownFolders.VideosLibrary.TryGetItemAsync("Fluent Screen Recorder");
// Get our encoder properties
var frameRateItem = (FrameRateItem)FrameRateComboBox.SelectedItem;
var resolutionItem = (ResolutionItem)ResolutionComboBox.SelectedItem;
var bitrateItem = (BitrateItem)BitrateComboBox.SelectedItem;
MediaCapture mediaCapture = null;
if (AudioToggleSwitch.IsOn)
{
loopbackAudioCapture = new LoopbackAudioCapture(MediaDevice.GetDefaultAudioRenderId(AudioDeviceRole.Default));
loopbackAudioCapture.BufferReadyDelegate = LoopbackBufferReady;
BufferList.Clear();
}
else if (ExtAudioToggleSwitch.IsOn)
{
if (await IsMicAllowed())
{
mediaCapture = new MediaCapture();
MediaCaptureInitializationSettings settings = new MediaCaptureInitializationSettings
{
StreamingCaptureMode = StreamingCaptureMode.Audio
};
await mediaCapture.InitializeAsync(settings);
var tempfolder = ApplicationData.Current.TemporaryFolder;
var name = DateTime.Now.ToString("yyyy-MM-dd-HHmmss");
micFile = await tempfolder.CreateFileAsync($"{name}.mp3");
}
else
{
ContentDialog errorDialog = new ContentDialog
{
Title = "Recording failed",
Content = "Permission to use microphone was not given", //TODO: fix this non-english horror
CloseButtonText = "OK"
};
await errorDialog.ShowAsync();
return;
}
}
var width = resolutionItem.Resolution.Width;
var height = resolutionItem.Resolution.Height;
var bitrate = bitrateItem.Bitrate;
var frameRate = frameRateItem.FrameRate;
var useSourceSize = resolutionItem.IsZero();
var picker = new GraphicsCapturePicker();
var item = await picker.PickSingleItemAsync();
if (item == null)
{
button.IsChecked = false;
return;
}
if (useSourceSize)
{
resolutionItem.IsZero();
width = (uint)item.Size.Width;
height = (uint)item.Size.Height;
// Even if we're using the capture item's real size,
// we still want to make sure the numbers are even.
// Some encoders get mad if you give them odd numbers.
width = EnsureEven(width);
height = EnsureEven(height);
}
// Put videos in the temp folder
var tempFile = await GetTempFileAsync();
_tempFile = tempFile;
// Tell the user we've started recording
SecondColumn.Width = new GridLength(0);
ThirdColumn.Width = new GridLength(0);
visual = ElementCompositionPreview.GetElementVisual(Ellipse);
var animation = visual.Compositor.CreateScalarKeyFrameAnimation();
animation.InsertKeyFrame(0, 1);
animation.InsertKeyFrame(1, 0);
animation.Duration = TimeSpan.FromMilliseconds(1500);
animation.IterationBehavior = AnimationIterationBehavior.Forever;
visual.StartAnimation("Opacity", animation);
RecordIcon.Visibility = Visibility.Collapsed;
StopIcon.Visibility = Visibility.Visible;
Ellipse.Visibility = Visibility.Visible;
toolTip = new ToolTip();
toolTip.Content = Strings.Resources.RecordingStop;
ToolTipService.SetToolTip(MainButton, toolTip);
AutomationProperties.SetName(MainButton, Strings.Resources.RecordingStop);
MainTextBlock.Text = Strings.Resources.Recording;
var originalBrush = MainTextBlock.Foreground;
MainTextBlock.Foreground = new SolidColorBrush(Colors.Red);
lockAdaptiveUI = true;
// Kick off the encoding
try
{
using (var stream = await tempFile.OpenAsync(FileAccessMode.ReadWrite))
using (_encoder = new Encoder(_device, item))
{
if (mediaCapture != null)
{
await mediaCapture.StartRecordToStorageFileAsync(MediaEncodingProfile.CreateMp3(AudioEncodingQuality.High), micFile);
}
var encodesuccess = await _encoder.EncodeAsync(
stream,
width, height, bitrate,
frameRate, loopbackAudioCapture);
if (encodesuccess == false)
{
ContentDialog errorDialog = new ContentDialog
{
Title = "Recording failed",
Content = "Windows cannot encode your video",
CloseButtonText = "OK"
};
await errorDialog.ShowAsync();
}
}
MainTextBlock.Foreground = originalBrush;
Ellipse.Visibility = Visibility.Collapsed;
visual.StopAnimation("Opacity");
}
catch (Exception ex)
{
Crashes.TrackError(ex);
Debug.WriteLine(ex.Message);
Debug.WriteLine(ex);
var message = GetMessageForHResult(ex.HResult);
if (message == null)
{
message = $"Whoops, something went wrong!\n0x{ex.HResult:X8} - {ex.Message}";
}
ContentDialog errorDialog = new ContentDialog
{
Title = "Recording failed",
Content = message,
CloseButtonText = "OK"
};
await errorDialog.ShowAsync();
button.IsChecked = false;
visual.StopAnimation("Opacity");
Ellipse.Visibility = Visibility.Collapsed;
MainTextBlock.Foreground = originalBrush;
RecordIcon.Visibility = Visibility.Visible;
StopIcon.Visibility = Visibility.Collapsed;
toolTip.Content = Strings.Resources.RecordingStart;
ToolTipService.SetToolTip(MainButton, toolTip);
AutomationProperties.SetName(MainButton, Strings.Resources.RecordingStart);
await _tempFile.DeleteAsync();
return;
}
// At this point the encoding has finished,
// tell the user we're now saving
if (AudioToggleSwitch.IsOn)
{
CompleteRecording(BufferList.ToArray(), width, height, bitrate, frameRate);
}
else if (ExtAudioToggleSwitch.IsOn)
{
var clip = await MediaClip.CreateFromFileAsync(_tempFile);
var composition = new MediaComposition();
composition.Clips.Add(clip);
StorageFile internalAudioFile = micFile;
mediaCapture.Dispose();
mediaCapture = null;
var backgroundTrack = await BackgroundAudioTrack.CreateFromFileAsync(internalAudioFile);
composition.BackgroundAudioTracks.Add(backgroundTrack);
var videoFile = _tempFile;
var newFile = await GetTempFileAsync();
MainTextBlock.Text = Strings.Resources.Saving;
MergingProgressRing.Visibility = Visibility.Visible;
MainButton.Visibility = Visibility.Collapsed;
var merge = composition.RenderToFileAsync(newFile, MediaTrimmingPreference.Fast);
merge.Progress = new AsyncOperationProgressHandler <TranscodeFailureReason, double>(async(info, progress) =>
{
await this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, new DispatchedHandler(() =>
{
MergingProgressRing.Value = progress;
}));
});
merge.Completed = new AsyncOperationWithProgressCompletedHandler <TranscodeFailureReason, double>(async(info, status) =>
{
await this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, new DispatchedHandler(async() =>
{
MergingProgressRing.Value = 0;
MergingProgressRing.Visibility = Visibility.Collapsed;
_tempFile = newFile;
MainButton.IsChecked = false;
MainTextBlock.Text = "";
visual.StopAnimation("Opacity");
Ellipse.Visibility = Visibility.Collapsed;
RecordIcon.Visibility = Visibility.Visible;
StopIcon.Visibility = Visibility.Collapsed;
ToolTip newtoolTip = new ToolTip();
toolTip.Content = Strings.Resources.RecordingStart;
ToolTipService.SetToolTip(MainButton, toolTip);
AutomationProperties.SetName(MainButton, Strings.Resources.RecordingStart);
this.Frame.Navigate(typeof(VideoPreviewPage), _tempFile);
CacheCurrentSettings();
var videofolder = await KnownFolders.VideosLibrary.TryGetItemAsync("Fluent Screen Recorder");
MainButton.Visibility = Visibility.Visible;
await videoFile.DeleteAsync();
await internalAudioFile.DeleteAsync();
}));
});
lockAdaptiveUI = false;
}
else
{
MainButton.IsChecked = false;
MainTextBlock.Text = "";
visual.StopAnimation("Opacity");
Ellipse.Visibility = Visibility.Collapsed;
RecordIcon.Visibility = Visibility.Visible;
StopIcon.Visibility = Visibility.Collapsed;
ToolTip newtoolTip = new ToolTip();
toolTip.Content = Strings.Resources.RecordingStart;
ToolTipService.SetToolTip(MainButton, Strings.Resources.RecordingStart);
AutomationProperties.SetName(MainButton, "Start recording");
this.Frame.Navigate(typeof(VideoPreviewPage), _tempFile);
CacheCurrentSettings();
lockAdaptiveUI = false;
}
}
private async Task <bool> EncodeInternalAsync(IRandomAccessStream stream, uint width, uint height, uint bitrateInBps, uint frameRate, LoopbackAudioCapture loopbackAudioCapture)
{
if (!_isRecording)
{
_isRecording = true;
_frameGenerator = new CaptureFrameWait(
_device,
_captureItem,
_captureItem.Size,
loopbackAudioCapture);
using (_frameGenerator)
{
var encodingProfile = new MediaEncodingProfile();
encodingProfile.Container.Subtype = "MPEG4";
encodingProfile.Video.Subtype = "H264";
encodingProfile.Video.Width = width;
encodingProfile.Video.Height = height;
encodingProfile.Video.Bitrate = bitrateInBps;
encodingProfile.Video.FrameRate.Numerator = frameRate;
encodingProfile.Video.FrameRate.Denominator = 1;
encodingProfile.Video.PixelAspectRatio.Numerator = 1;
encodingProfile.Video.PixelAspectRatio.Denominator = 1;
var transcode = await _transcoder.PrepareMediaStreamSourceTranscodeAsync(_mediaStreamSource, stream, encodingProfile);
if (transcode.CanTranscode)
{
await transcode.TranscodeAsync();
return(true);
}
}
}
return(false);
}
public IAsyncOperation <bool> EncodeAsync(IRandomAccessStream stream, uint width, uint height, uint bitrateInBps, uint frameRate, LoopbackAudioCapture loopbackAudioCapture)
{
return(EncodeInternalAsync(stream, width, height, bitrateInBps, frameRate, loopbackAudioCapture).AsAsyncOperation());
}