private void Window_Loaded(object sender, RoutedEventArgs e)
{
// INIT COMMAND BINDINGS
CommandBinding playBinding = new CommandBinding(MediaCommands.Play);
CommandBindings.Add(playBinding);
playBinding.CanExecute += playCommandBinding_CanExecute;
playBinding.Executed += playCommandBinding_Executed;
CommandBinding pauseBinding = new CommandBinding(MediaCommands.Pause);
CommandBindings.Add(pauseBinding);
pauseBinding.CanExecute += pauseCommandBinding_CanExecute;
pauseBinding.Executed += pauseCommandBinding_Executed;
CommandBinding playToggleBinding = new CommandBinding(Commands.PlayToggle);
CommandBindings.Add(playToggleBinding);
playToggleBinding.Executed += playToggleBinding_Executed;
// Execute the following code after window and controls are fully loaded and initialized
// http://stackoverflow.com/a/1746975
Dispatcher.BeginInvoke(DispatcherPriority.ContextIdle, (Action)(() => {
multiTrackViewer1.ItemsSource = trackList;
multiTrackViewer1.Matches.Add(match);
multiTrackViewer1.SelectedMatch = match;
this.Focus();
}));
// the following must be called separately on the dispatcher, else the track controls are not initialized yet
Dispatcher.BeginInvoke(DispatcherPriority.ContextIdle, (Action)ZoomToMatch);
// INIT PLAYER
player = new MultitrackPlayer(trackList);
player.VolumeAnnounced += (sender2, e2) => Dispatcher.BeginInvoke((Action)(() => {
if (e2.MaxSampleValues.Length >= 2)
{
stereoVUMeter1.AmplitudeLeft = e2.MaxSampleValues[0];
stereoVUMeter1.AmplitudeRight = e2.MaxSampleValues[1];
}
}));
player.CurrentTimeChanged += (sender2, e2) => multiTrackViewer1.Dispatcher.BeginInvoke((Action)(() => {
multiTrackViewer1.VirtualCaretOffset = e2.Value.Ticks;
// autoscroll
if (multiTrackViewer1.VirtualViewportInterval.To <= multiTrackViewer1.VirtualCaretOffset)
{
multiTrackViewer1.VirtualViewportOffset = multiTrackViewer1.VirtualCaretOffset;
}
}));
player.PlaybackStateChanged += (sender2, e2) =>
multiTrackViewer1.Dispatcher.BeginInvoke((Action)CommandManager.InvalidateRequerySuggested);
volumeSlider.ValueChanged += (sender2, e2) => player.Volume = (float)e2.NewValue;
// INIT PROGRESSBAR
progressBar.IsEnabled = false;
progressMonitor.ProcessingStarted += Instance_ProcessingStarted;
progressMonitor.ProcessingProgressChanged += Instance_ProcessingProgressChanged;
progressMonitor.ProcessingFinished += Instance_ProcessingFinished;
ProgressMonitor.GlobalInstance.AddChild(progressMonitor);
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
Title = Title + (Environment.Is64BitProcess ? " (x64)" : " (x86)");
multiTrackViewer1.ItemsSource = trackList;
// INIT COMMAND BINDINGS
CommandBinding playBinding = new CommandBinding(MediaCommands.Play);
CommandBindings.Add(playBinding);
playBinding.CanExecute += new CanExecuteRoutedEventHandler(playCommandBinding_CanExecute);
playBinding.Executed += new ExecutedRoutedEventHandler(playCommandBinding_Executed);
CommandBinding pauseBinding = new CommandBinding(MediaCommands.Pause);
CommandBindings.Add(pauseBinding);
pauseBinding.CanExecute += new CanExecuteRoutedEventHandler(pauseCommandBinding_CanExecute);
pauseBinding.Executed += new ExecutedRoutedEventHandler(pauseCommandBinding_Executed);
CommandBinding playToggleBinding = new CommandBinding(Commands.PlayToggle);
CommandBindings.Add(playToggleBinding);
playToggleBinding.Executed += new ExecutedRoutedEventHandler(playToggleBinding_Executed);
//// INIT TRACKLIST STUFF
//trackList.PropertyChanged += delegate(object sender2, PropertyChangedEventArgs e2) {
// if (e2.PropertyName == "TotalLength") {
// multiTrackViewer1.VirtualViewportMaxWidth = trackList.TotalLength.Ticks;
// }
//};
// INIT PLAYER
player = new MultitrackPlayer(trackList);
player.VolumeAnnounced += Player_VolumeAnnounced_VolumeMeter;
player.CurrentTimeChanged += new EventHandler <ValueEventArgs <TimeSpan> >(
delegate(object sender2, ValueEventArgs <TimeSpan> e2) {
multiTrackViewer1.Dispatcher.BeginInvoke((Action) delegate {
multiTrackViewer1.VirtualCaretOffset = e2.Value.Ticks;
// autoscroll
if (multiTrackViewer1.VirtualViewportInterval.To <= multiTrackViewer1.VirtualCaretOffset)
{
multiTrackViewer1.VirtualViewportOffset = multiTrackViewer1.VirtualCaretOffset;
}
});
});
player.PlaybackStateChanged += new EventHandler(
delegate(object sender2, EventArgs e2) {
multiTrackViewer1.Dispatcher.BeginInvoke((Action) delegate {
// CommandManager must be called on the GUI-thread, else it won't do anything
CommandManager.InvalidateRequerySuggested();
});
});
volumeSlider.ValueChanged += new RoutedPropertyChangedEventHandler <double>(
delegate(object sender2, RoutedPropertyChangedEventArgs <double> e2) {
player.Volume = (float)e2.NewValue;
});
// INIT PROGRESSBAR
progressBar1.IsEnabled = false;
ProgressMonitor.GlobalInstance.ProcessingStarted += new EventHandler(
delegate(object sender2, EventArgs e2) {
progressBar1.Dispatcher.BeginInvoke((Action) delegate {
progressBar1.IsEnabled = true;
progressBar1Label.Text = ProgressMonitor.GlobalInstance.StatusMessage;
win7TaskBar.ProgressState = System.Windows.Shell.TaskbarItemProgressState.Normal;
win7TaskBar.ProgressValue = 0;
});
});
ProgressMonitor.GlobalInstance.ProcessingProgressChanged += new EventHandler <ValueEventArgs <float> >(
delegate(object sender2, ValueEventArgs <float> e2) {
progressBar1.Dispatcher.BeginInvoke((Action) delegate {
progressBar1.Value = e2.Value;
win7TaskBar.ProgressValue = e2.Value / 100;
progressBar1Label.Text = ProgressMonitor.GlobalInstance.StatusMessage;
});
});
ProgressMonitor.GlobalInstance.ProcessingFinished += new EventHandler(
delegate(object sender2, EventArgs e2) {
progressBar1.Dispatcher.BeginInvoke((Action) delegate {
progressBar1.Value = 0;
progressBar1.IsEnabled = false;
progressBar1Label.Text = "";
win7TaskBar.ProgressState = System.Windows.Shell.TaskbarItemProgressState.None;
});
});
// INIT RANDOM STUFF
multiTrackViewer1.KeyUp += new KeyEventHandler(delegate(object sender2, KeyEventArgs e2) {
if (e2.Key == Key.Delete)
{
// create temporary list to avoid concurrent modification exception
var selectedAudioTracks = new List <AudioTrack>(multiTrackViewer1.SelectedItems.Cast <AudioTrack>());
// delete tracks
foreach (AudioTrack audioTrack in selectedAudioTracks)
{
if (audioTrack != null)
{
// 1. delete all related matches
List <Match> deleteList = new List <Match>();
// 1a find all related matches
foreach (Match m in multiTrackViewer1.Matches)
{
if (m.Track1 == audioTrack || m.Track2 == audioTrack)
{
deleteList.Add(m);
}
}
// 1b delete
foreach (Match m in deleteList)
{
multiTrackViewer1.Matches.Remove(m);
}
// 2. delete track
trackList.Remove(audioTrack);
}
}
e2.Handled = true;
}
});
// INIT FFT
int fftSize = 1024;
double correlation = 0;
fftAnalyzer = new FFTAnalyzer(fftSize);
fftAnalyzerConsumer = 2;
correlationConsumer = 1;
WindowFunction fftWindow = WindowUtil.GetFunction(WindowType.BlackmanHarris, fftSize);
fftAnalyzer.WindowFunction = fftWindow;
fftAnalyzer.WindowAnalyzed += FftAnalyzer_WindowAnalyzed_FrequencyGraph;
fftAnalyzer.WindowAnalyzed += FftAnalyzer_WindowAnalyzed_Spectrogram;
player.SamplesMonitored += new EventHandler <StreamDataMonitorEventArgs>(delegate(object sender2, StreamDataMonitorEventArgs e2) {
if (fftAnalyzerConsumer > 0 || correlationConsumer > 0)
{
float[][] uninterleaved = AudioUtil.Uninterleave(e2.Properties, e2.Buffer, e2.Offset, e2.Length, true);
if (fftAnalyzerConsumer > 0)
{
fftAnalyzer.PutSamples(uninterleaved[0]); // put the summed up mono samples into the analyzer
}
if (correlationConsumer > 0)
{
correlation = CrossCorrelation.Correlate(uninterleaved[1], uninterleaved[2]);
Dispatcher.BeginInvoke((Action) delegate {
correlationMeter.Value = correlation;
});
}
}
});
spectrogram.SpectrogramSize = fftSize / 2;
}
/// <summary>
/// Initializes a new instance of the DropInfo class.
/// </summary>
///
/// <param name="sender">
/// The sender of the drag event.
/// </param>
///
/// <param name="e">
/// The drag event.
/// </param>
///
/// <param name="dragInfo">
/// Information about the source of the drag, if the drag came from within the framework.
/// </param>
public DropInfo(object sender, DragEventArgs e, MultitrackPlayer.Utils.DragDrop.DragInfo dragInfo)
{
string dataFormat = MultitrackPlayer.Utils.DragDrop.DragDrop.DataFormat.Name;
Data = (e.Data.GetDataPresent(dataFormat)) ? e.Data.GetData(dataFormat) : e.Data;
DragInfo = dragInfo;
VisualTarget = sender as UIElement;
DropPosition = e.GetPosition(VisualTarget);
if (sender is ItemsControl)
{
ItemsControl itemsControl = (ItemsControl)sender;
UIElement item = itemsControl.GetItemContainerAt(DropPosition);
bool directlyOverItem = item != null;
TargetGroup = FindGroup(itemsControl, DropPosition);
VisualTargetOrientation = itemsControl.GetItemsPanelOrientation();
if (item == null)
{
item = itemsControl.GetItemContainerAt(DropPosition, VisualTargetOrientation);
directlyOverItem = false;
}
if (item != null)
{
ItemsControl itemParent = ItemsControl.ItemsControlFromItemContainer(item);
InsertIndex = itemParent.ItemContainerGenerator.IndexFromContainer(item);
TargetCollection = itemParent.ItemsSource ?? itemParent.Items;
if (directlyOverItem)
{
TargetItem = itemParent.ItemContainerGenerator.ItemFromContainer(item);
VisualTargetItem = item;
}
if (VisualTargetOrientation == Orientation.Vertical)
{
if (e.GetPosition(item).Y > item.RenderSize.Height / 2) InsertIndex++;
}
else
{
if (e.GetPosition(item).X > item.RenderSize.Width / 2) InsertIndex++;
}
}
else
{
TargetCollection = itemsControl.ItemsSource ?? itemsControl.Items;
InsertIndex = itemsControl.Items.Count;
}
}
}
