public StartWindow()
{
InitializeComponent();
Title += $" {FileVersionInfo.GetVersionInfo(Assembly.GetExecutingAssembly().Location).ProductVersion}";
try
{
VideoProcessor.SetFFMpegPath();
}
catch
{
string message = "Failed to initialize FFMpeg. Make sure ffmpeg.exe and ffprobe.exe are located in the ffmpeg folder of this application.";
MessageBox.Show(message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
Application.Current.Shutdown();
}
PreviousVideo[] previousVideosArray = JsonConvert.DeserializeObject <PreviousVideo[]>(Settings.Default.PreviousVideos);
previousVideos = new(previousVideosArray);
if (previousVideos.Count > 0)
{
lbxPreviousVideos.ItemsSource = previousVideos;
}
else
{
lbxPreviousVideos.Visibility = Visibility.Hidden;
lblNoPreviousVideos.Visibility = Visibility.Visible;
}
workingDirectory = Settings.Default.WorkingDirectory;
if (workingDirectory.Length == 0)
{
workingDirectory = null;
}
}
private void btnConvert_Click(object sender, RoutedEventArgs e)
{
// Check if _frames directory exists, otherwise create it
if (Directory.Exists(targetDirectory))
{
Directory.Delete(targetDirectory, true);
}
Directory.CreateDirectory(targetDirectory);
// Get user conversion settings
TimeSpan startTime = GetStartTime();
TimeSpan endTime = GetEndTime();
int width = int.Parse(txtFrameWidth.Text);
int height = int.Parse(txtFrameHeight.Text);
double fps = double.Parse(txtFramesPerSecond.Text);
int expectedFrames = (int)(fps * (endTime - startTime).TotalSeconds);
ConversionInfo info = new(Path.GetFileName(filePath), fps, expectedFrames);
// Save user conversion string into a file in json format
string jsonString = JsonSerializer.Serialize(info);
File.WriteAllText(Path.Join(targetDirectory, "conversion-info.json"), jsonString);
// Show a progress window and hide this window
ProgressWindow progress = new("Converting video to images", startWindow);
progress.Show();
Visibility = Visibility.Hidden;
void onProgress(double percentage) => progress.percentage = percentage;
Thread thread = new(async() =>
{
try
{
await VideoProcessor.ConvertToImageSequence(filePath, targetDirectory, startTime, endTime, width,
height, fps, progress.cts, onProgress);
}
catch (OperationCanceledException)
{
Dispatcher.Invoke(() =>
{
progress.Close();
Visibility = Visibility.Visible;
});
}
finally
{
Dispatcher.Invoke(() =>
{
progress.cts.Dispose();
progress.Close();
Close();
onFinished();
});
}
});
thread.IsBackground = true;
thread.Start();
}
