private void DoSave(String _FilePath, Metadata _Metadata, double _fPlaybackFrameInterval, Int64 _iSelStart, Int64 _iSelEnd, bool _bFlushDrawings, bool _bKeyframesOnly, bool _bPausedVideo, DelegateGetOutputBitmap _DelegateOutputBitmap)
{
// Save video.
// We use a bgWorker and a Progress Bar.
// Memorize the parameters, they will be used later in bgWorkerSave_DoWork.
// Note: _iSelStart, _iSelEnd, _Metadata, should ultimately be taken from the local members.
m_iSaveStart = _iSelStart;
m_iSaveEnd = _iSelEnd;
m_SaveMetadata = _Metadata;
m_SaveFile = _FilePath;
m_fSaveFramesInterval = _fPlaybackFrameInterval;
m_bSaveFlushDrawings = _bFlushDrawings;
m_bSaveKeyframesOnly = _bKeyframesOnly;
m_bSavePausedVideo = _bPausedVideo;
m_SaveDelegateOutputBitmap = _DelegateOutputBitmap;
// Instanciate and configure the bgWorker.
BackgroundWorker bgWorkerSave = new BackgroundWorker();
bgWorkerSave.WorkerReportsProgress = true;
bgWorkerSave.WorkerSupportsCancellation = true;
bgWorkerSave.DoWork += new DoWorkEventHandler(bgWorkerSave_DoWork);
bgWorkerSave.ProgressChanged += new ProgressChangedEventHandler(bgWorkerSave_ProgressChanged);
bgWorkerSave.RunWorkerCompleted += new RunWorkerCompletedEventHandler(bgWorkerSave_RunWorkerCompleted);
// Attach the bgWorker to the VideoFile object so it can report progress.
m_VideoFile.BgWorker = bgWorkerSave;
// Create the progress bar and launch the worker.
m_FormProgressBar = new formProgressBar(true);
m_FormProgressBar.Cancel = Cancel_Asked;
bgWorkerSave.RunWorkerAsync();
m_FormProgressBar.ShowDialog();
}
protected void StartProcessing()
{
// This method is called by concrete filters to start applying the filter.
// It should be called whenever the filter takes time to process.
m_FormProgressBar = new formProgressBar(false);
m_BackgroundWorker.RunWorkerAsync();
m_FormProgressBar.ShowDialog();
}
public void Export(CommonTimeline commonTimeline, PlayerScreen leftPlayer, PlayerScreen rightPlayer, bool merging)
{
this.commonTimeline = commonTimeline;
this.leftPlayer = leftPlayer;
this.rightPlayer = rightPlayer;
this.merging = merging;
// During saving we move through the common timeline by a time unit based on framerate and high speed factor, but not based on user custom slow motion factor.
// For the framerate saved in the file metadata we take user custom slow motion into account and not high speed factor.
fileFrameInterval = Math.Max(leftPlayer.FrameInterval, rightPlayer.FrameInterval);
fileFrameInterval = Math.Max(fileFrameInterval, 10);
dualSaveFileName = GetFilename(leftPlayer, rightPlayer);
if (string.IsNullOrEmpty(dualSaveFileName))
{
return;
}
dualSaveCancelled = false;
// Instanciate and configure the bgWorker.
bgWorkerDualSave = new BackgroundWorker();
bgWorkerDualSave.WorkerReportsProgress = true;
bgWorkerDualSave.WorkerSupportsCancellation = true;
bgWorkerDualSave.DoWork += bgWorkerDualSave_DoWork;
bgWorkerDualSave.ProgressChanged += bgWorkerDualSave_ProgressChanged;
bgWorkerDualSave.RunWorkerCompleted += bgWorkerDualSave_RunWorkerCompleted;
// Make sure none of the screen will try to update itself.
// Otherwise it will cause access to the other screen image (in case of merge), which can cause a crash.
leftPlayer.DualSaveInProgress = true;
rightPlayer.DualSaveInProgress = true;
dualSaveProgressBar = new formProgressBar(true);
dualSaveProgressBar.Cancel = dualSave_CancelAsked;
// The worker thread runs in the background while the UI thread is in the progress bar dialog.
// We only continue after these two lines once the video has been saved or the saving cancelled.
bgWorkerDualSave.RunWorkerAsync();
dualSaveProgressBar.ShowDialog();
if (dualSaveCancelled)
{
DeleteTemporaryFile(dualSaveFileName);
}
leftPlayer.DualSaveInProgress = false;
rightPlayer.DualSaveInProgress = false;
}
protected void StartProcessing()
{
// Spawn a new thread for the computation, and a modal dialog for progress bar.
// This function is not mandatory, if the effect is really quick,
// a VideoFilter may proceed within Activate() directly.
BackgroundWorker worker = new BackgroundWorker();
worker.WorkerReportsProgress = true;
worker.DoWork += Process;
worker.ProgressChanged += bgWorker_ProgressChanged;
worker.RunWorkerCompleted += bgWorker_RunWorkerCompleted;
worker.RunWorkerAsync();
formProgressBar = new formProgressBar(false);
formProgressBar.ShowDialog();
}
private void DoSave(string filePath, double frameInterval, bool flushDrawings, bool keyframesOnly, bool pausedVideo, ImageRetriever imageRetriever)
{
SavingSettings s = new SavingSettings();
s.Section = videoReader.WorkingZone;
s.File = filePath;
s.InputFrameInterval = frameInterval;
s.FlushDrawings = flushDrawings;
s.KeyframesOnly = keyframesOnly;
s.PausedVideo = pausedVideo;
s.ImageRetriever = imageRetriever;
formProgressBar = new formProgressBar(true);
formProgressBar.Cancel = Cancel_Asked;
bgWorkerSave.RunWorkerAsync(s);
formProgressBar.ShowDialog();
}