private async void SaveVideo_Click(object sender, RoutedEventArgs e)
{
TokenSource.Dispose();
TokenSource = new CancellationTokenSource();
Token = TokenSource.Token;
var temp = saveResolutionSelector.SelectedItem as Resolutions;
var enc = _video.GetVideoEncodingProperties();
MediaEncodingProfile mediaEncoding = GetMediaEncoding(temp, enc);
Debug.WriteLine("Vid type: " + enc.Type);
Debug.WriteLine("Vid sub: " + enc.Subtype);
Debug.WriteLine("Vid id: " + enc.ProfileId);
var picker = new Windows.Storage.Pickers.FileSavePicker();
picker.SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.VideosLibrary;
picker.FileTypeChoices.Add("MP4 files", new List <string>()
{
".mp4"
});
picker.SuggestedFileName = "RenderedVideo.mp4";
SaveProgressCallback saveProgress = ShowErrorMessage;
Windows.Storage.StorageFile file = await picker.PickSaveFileAsync();
if (file != null)
{
_mediaPlayer.Pause();
ValuePairs.Remove("height");
ValuePairs.Remove("width");
ValuePairs.Add("height", temp.Resolution.Height);
ValuePairs.Add("width", temp.Resolution.Width);
if (_dotsFlag)
{
ValuePairs.Remove("dotsRadius");
ValuePairs.Add("dotsRadius", (float)temp.Resolution.Width / 4096 * 20);
}
if (_horizonFlag)
{
_composition.OverlayLayers[0] = await GenerateHorizonLayer((int)_video.TrimmedDuration.TotalSeconds, temp.Resolution.Height, temp.Resolution.Width);
}
//buttonLoadingStop.Visibility = Visibility.Visible;
generateVideoButton.IsEnabled = false;
saveCompositionButton.IsEnabled = false;
HeatmapGenerator generator = new HeatmapGenerator();
generator.RenderCompositionToFile(file, _composition, saveProgress, Window.Current, mediaEncoding, Token, saveResolutionSelector.SelectedItem);
}
}
public void RenderCompositionToFile(StorageFile file, MediaComposition composition, SaveProgressCallback showErrorMessage, Window window, MediaEncodingProfile encodingProfile, CancellationToken token, object selectedResolution)
{
var saveOperation = composition.RenderToFileAsync(file, MediaTrimmingPreference.Precise, encodingProfile);
saveOperation.Progress = async(info, progress) =>
{
await window.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
showErrorMessage(progress);
try
{
if (token.IsCancellationRequested)
{
saveOperation.Cancel();
showErrorMessage(100.0);
}
}
catch (OperationCanceledException)
{
}
});
};
saveOperation.Completed = async(info, status) =>
{
await window.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
if (saveOperation.Status != AsyncStatus.Canceled)
{
try
{
var results = info.GetResults();
if (results != TranscodeFailureReason.None || status != AsyncStatus.Completed)
{
//ShowErrorMessage("Saving was unsuccessful");
}
else
{
//ShowErrorMessage("Trimmed clip saved to file");
await Launcher.LaunchFileAsync(file);
}
}
catch (Exception e)
{
Debug.WriteLine("Saving exception: " + e.Message);
var dialog = new MessageDialog("Saving exception: " + e.Message);
dialog.Title = "Error";
dialog.Commands.Add(new UICommand {
Label = "OK", Id = 0
});
await dialog.ShowAsync();
showErrorMessage(100.0);
}
}
});
};
}
