public SampleDataSource()
{
SampleGroup groupVideoProcessing = new SampleGroup("Group_Transcode", StringLoader.Get("Video_Processing"));
SampleItem itemTranscode = new SampleItem(typeof(Samples.TranscodePage), "Item_Transcode", StringLoader.Get("Transcode"), "Assets/Icons/Transcode.png");
groupVideoProcessing.Items.Add(itemTranscode);
SampleItem itemCut = new SampleItem(typeof(Samples.CutPage), "Item_Cut", StringLoader.Get("Cut"), "Assets/Icons/Cut.png");
groupVideoProcessing.Items.Add(itemCut);
SampleItem itemJoin = new SampleItem(typeof(Samples.JoinPage), "Item_Join", StringLoader.Get("Join"), "Assets/Icons/Join.png");
groupVideoProcessing.Items.Add(itemJoin);
SampleItem itemVideoEffect = new SampleItem(typeof(Samples.VideoEffectPage), "Item_Video_Effect", StringLoader.Get("Video_Effect"), "Assets/Icons/Effect.png");
groupVideoProcessing.Items.Add(itemVideoEffect);
groups.Add(groupVideoProcessing);
SampleGroup groupCapturing = new SampleGroup("Group_Capturing", StringLoader.Get("Capturing"));
SampleItem itemCapturing = new SampleItem(typeof(Samples.CameraPage), "Item_Camera", StringLoader.Get("Camera_Capturing"), "Assets/Icons/Camera.png");
groupCapturing.Items.Add(itemCapturing);
groups.Add(groupCapturing);
}
private void AppendEffectsMenu(String name)
{
ToggleMenuFlyoutItem menuItem = new ToggleMenuFlyoutItem();
menuItem.Text = StringLoader.Get(name);
menuItem.Click += OnEffectClicked;
EffectsMenu.Items.Add(menuItem);
}
private void StartPreview()
{
int videoDevice = VideoSelect.SelectedIndex;
int audioDevice = AudioSelect.SelectedIndex;
if (videoDevice == -1 || audioDevice == -1)
{
return;
}
ResetEffects();
UpdateUiState(PageState.None);
string videoDeviceId = ((ComboBoxItem)VideoSelect.SelectedItem).Name.ToString();
string audioDeviceId = ((ComboBoxItem)AudioSelect.SelectedItem).Name.ToString();
MediaCaptureInitializationSettings settings = new MediaCaptureInitializationSettings {
VideoDeviceId = videoDeviceId,
AudioDeviceId = audioDeviceId,
StreamingCaptureMode = StreamingCaptureMode.AudioAndVideo,
};
IAsyncOperation <IPreview> previewTask;
previewTask = cameraCapture.createPreview(PreviewWindow, settings);
if (preview != null)
{
preview.start().AsTask().Wait();
}
previewTask.Completed = delegate {
try {
preview = previewTask.GetResults();
}
catch (UnauthorizedAccessException) {
ShowMessageDialog(StringLoader.Get("Camera_Access_Denied"));
return;
}
preview.start().AsTask().Wait();
UpdateUiState(PageState.Ready);
};
}
public void LoadMediaFile(StorageFile file)
{
IRandomAccessStream stream = file.OpenReadAsync().AsTask().Result;
if (stream == null)
{
ShowMessageDialog(StringLoader.Get("Invalid_Media_File"));
return;
}
sourceFile = file;
mediaFileInfo = new MediaFileInfo(sourceFile);
if (UpdateMediaInfo(mediaFileInfo) == false)
{
ShowMessageDialog(StringLoader.Get("Invalid_Media_File"));
mediaFileInfo = null;
sourceFile = null;
stream.Dispose();
stream = null;
return;
}
Preview.SetSource(stream, sourceFile.ContentType);
Stop();
double width = this.ActualWidth;
double height = this.ActualHeight;
Preview.Width = width;
Preview.Height = height;
SegmentSelector.Width = (width);
SegmentSelector.Reset();
Canvas.SetTop(SegmentSelector, height - 100);
}
private void OnTranscode(object sender, RoutedEventArgs e)
{
if (Preview.File == null)
{
ShowMessageDialog(StringLoader.Get("Please_Pick_Media_File"));
return;
}
Preview.Stop();
destinationFileName = Preview.File.Name + ".transcoded.mp4";
mediaComposer = new MediaComposer(this);
SetTranscodeParameters();
mediaComposer.setTargetFile(new File(KnownFolders.VideosLibrary, destinationFileName));
DoTranscode();
}