private void PlayWithAvsPlayer(string scriptPath)
{
avsPlayer = new AviSynthPlayer(this);
avsPlayer.EnableAudio = Settings.PictureViewAudio;
avsPlayer.AllowDropFrames = Settings.PictureViewDropFrames;
avsPlayer.PlayerError += new AvsPlayerError(AvsPlayerError);
avsPlayer.Open(scriptPath);
if (avsPlayer.IsError)
return;
IsAviSynthError = false;
IsAudioOnly = !avsPlayer.HasVideo;
avsPlayer.Volume = VolumeSet;
if (!IsAudioOnly)
{
int frame = 0;
if (mediaload == MediaLoad.load)
{
//Новое открытие (сразу Play или переход на середину)
if (Settings.AfterImportAction == Settings.AfterImportActions.Play)
currentState = PlayState.Running;
else if (Settings.AfterImportAction == Settings.AfterImportActions.Middle)
frame = avsPlayer.TotalFrames / 2;
}
else
{
//Ограничиваем кол-во кадров (могло измениться, например, после Trim`а)
frame = (avsFrame > avsPlayer.TotalFrames) ? avsPlayer.TotalFrames : avsFrame;
}
avsPlayer.SetFrame(frame);
if (avsPlayer.IsError)
return;
avsPlayer.PlayerFinished += new AvsPlayerFinished(AvsPlayerFinished);
avsPlayer.AvsStateChanged += new AvsState(AvsStateChanged);
Pic.Source = avsPlayer.BitmapSource;
Pic.Visibility = Visibility.Visible;
if (currentState == PlayState.Running)
{
//Запуск сразу с Play
avsPlayer.Play();
SetPauseIcon();
}
else
{
//Запуск на паузе
avsPlayer.Pause();
this.currentState = PlayState.Paused;
avsPlayer.UnloadAviSynth();
}
MoveVideoWindow();
avsFrame = frame; //Текущий кадр
fps = avsPlayer.Framerate; //fps скрипта
slider_pos.Maximum = TimeSpan.FromSeconds(avsPlayer.TotalFrames / fps).TotalSeconds; //Устанавливаем максимум для ползунка
//Текущий кадр и общая продолжительность клипа
textbox_frame.Text = frame + "/" + (total_frames = avsPlayer.TotalFrames.ToString());
textbox_duration.Text = TimeSpan.Parse(TimeSpan.FromSeconds(avsPlayer.TotalFrames / fps).ToString().Split('.')[0]).ToString();
}
else
{
PreviewError("NO VIDEO", Brushes.Gainsboro);
}
}
private void CloseClip()
{
try
{
//Останавливаем таймер обновления позиции
if (timer != null) timer.Stop();
//DirectShow
if (this.graphBuilder != null && this.VideoElement.Source == null)
{
int hr = 0;
// Stop media playback
if (this.mediaControl != null)
hr = this.mediaControl.Stop();
// Free DirectShow interfaces
CloseInterfaces();
//EVR
if (VHost != null)
{
VHost.Dispose();
VHost = null;
VHandle = IntPtr.Zero;
VHostElement.Child = null;
VHostElement.Visibility = Visibility.Collapsed;
VHostElement.Width = VHostElement.Height = 0;
VHostElement.Margin = new Thickness(0);
}
// No current media state
if (mediaload != MediaLoad.update)
this.currentState = PlayState.Init;
}
//MediaBridge
if (this.VideoElement.Source != null)
{
VideoElement.Stop();
VideoElement.Close();
VideoElement.Source = null;
VideoElement.Visibility = Visibility.Collapsed;
VideoElement.Width = VideoElement.Height = 0;
VideoElement.Margin = new Thickness(0);
if (mediaload != MediaLoad.update)
this.currentState = PlayState.Init;
if (this.graphBuilder != null)
{
while (Marshal.ReleaseComObject(this.graphBuilder) > 0) ;
this.graphBuilder = null;
if (this.graph != null)
{
while (Marshal.ReleaseComObject(this.graph) > 0) ;
this.graph = null;
}
//Marshal.ReleaseComObject(this.graphBuilder);
//this.graphBuilder = null;
//Marshal.ReleaseComObject(this.graph);
//this.graph = null;
GC.Collect();
}
Thread.Sleep(100);
string url = "MediaBridge://MyDataString";
MediaBridge.MediaBridgeManager.UnregisterCallback(url);
}
//ScriptView
if (script_box.Visibility != Visibility.Collapsed)
{
script_box.Clear();
script_box.Visibility = Visibility.Collapsed;
this.currentState = PlayState.Init;
}
//AviSynthPlayer (PictureView)
if (avsPlayer != null)
{
avsPlayer.Abort();
avsPlayer.Close();
avsPlayer = null;
Pic.Source = null;
Pic.Visibility = Visibility.Collapsed;
Pic.Margin = new Thickness(0);
Pic.Width = Pic.Height = 0;
if (mediaload != MediaLoad.update)
this.currentState = PlayState.Init;
}
//Окно ошибок
if (ErrBox.Visibility != Visibility.Collapsed)
{
ErrBox.Child = null;
ErrBox.Visibility = Visibility.Collapsed;
}
}
catch (Exception ex)
{
ErrorException("CloseClip: " + ex.Message, ex.StackTrace);
}
//update titles
textbox_name.Text = textbox_frame.Text = "";
textbox_time.Text = textbox_duration.Text = "00:00:00";
progress_top.Width = slider_pos.Value = 0.0;
SetPlayIcon();
}
