/// <summary>
/// Загрузка видео
/// </summary>
private async void LoadVideoFileFunction()
{
try
{
this.video = new GreyVideo();
progressWindow = ProgressWindow.InitializeProgressWindow();
OkButtonWindow okButtonWindow = OkButtonWindow.InitializeOkButtonWindow();
OpenFileDialog dialog = new OpenFileDialog();
dialog.Filter = "MP4 Image (.mp4)|*.mp4|3gp (.3gp)|*.3gp|Avi (.avi)|*.avi";
dialog.ShowDialog();
FrameSizeWindow frameSizeWindow = FrameSizeWindow.InitializeFrameSizeWindow();
frameSizeWindow.capitalText.Text = PARAMETERS_SETTING_STRING;
frameSizeWindow.ShowDialog();
FrameSizeViewModel frameSizeViewModel = (FrameSizeViewModel)frameSizeWindow.DataContext;
progressWindow.capitalText.Text = LOAD_VIDEO_STRING;
progressWindow.textInformation.Text = VIDEO_INITIALIZATION_STRING;
progressWindow.Show();
string videoFilePath = System.IO.Path.GetDirectoryName(dialog.FileName);
string videoFileName = System.IO.Path.GetFileNameWithoutExtension(dialog.FileName);
string keyFramesInormatyionFilePath = System.IO.Path.Combine(videoFilePath, videoFileName + ".txt");
IOData ioData = new IOData() { FileName = dialog.FileName, FrameHeight = frameSizeViewModel.FrameHeight, FrameWidth = frameSizeViewModel.FrameWidth };
VideoLoader videoLoader = new VideoLoader();
int framesNumber = await videoLoader.CountFramesNumberAsync(ioData);
progressWindow.pbStatus.SmallChange = (double)progressWindow.pbStatus.Maximum / (double)framesNumber;
/// Если существует файл с информацией о ключевых кадрах
if (System.IO.File.Exists(keyFramesInormatyionFilePath))
{
FileReader fileReader = new FileReader();
FileReader.ExceptionOccuredEvent += this.ExceptionOccuredEventHandler;
keyFrameIOInformation = await fileReader.ReadKeyFramesInformationAsync(keyFramesInormatyionFilePath, frameSizeViewModel.FrameWidth, frameSizeViewModel.FrameHeight);
ioData.KeyFrameIOInformation = keyFrameIOInformation;
// EdgeBasedKeyFrameExtractor.keyFrameExtractedEvent += this.KeyFramesExtractionProcessing;
// EdgeBasedKeyFrameExtractor edgeBasedKeyFrameExtractor = new EdgeBasedKeyFrameExtractor();
// this.video.Frames = await edgeBasedKeyFrameExtractor.ExtractKeyFramesByListNumberAsync(ioData);
}
else /// Если нет, то выделяем кадры алгоритмически
{
EdgeBasedKeyFrameExtractor.keyFrameExtractedEvent += this.KeyFramesExtractionProcessing;
EdgeBasedKeyFrameExtractor.framesDifferenceEvent += this.FramesDifferenceCalculateProcessing;
EdgeBasedKeyFrameExtractor edgeBasedKeyFrameExtractor = new EdgeBasedKeyFrameExtractor();
this.video.Frames = await edgeBasedKeyFrameExtractor.ExtractKeyFramesTwoPassAsync(ioData);
}
okButtonWindow = OkButtonWindow.InitializeOkButtonWindow();
okButtonWindow.capitalText.Text = LOAD_VIDEO_STRING;
okButtonWindow.textInformation.Text = LOAD_VIDEO_SUCCESS_STRING;
okButtonWindow.ShowDialog();
progressWindow.Close();
this.VideoFileName = new Uri(dialog.FileName);
this.videoFileNameString = dialog.FileName;
this.MediaPlayerNavigationVisibility = Visibility.Visible;
this.VideoWasNotLoaded = Visibility.Hidden;
this.IsVideoFrameTabSelected = false;
this.IsProcessedVideoFramesTabSelected = false;
this.IsProcessedVideoFrameTabSelected = false;
this.IsVideoTabSelected = true;
}
catch (Exception exception)
{
progressWindow.Hide();
ShowExceptionMessage(exception.Message);
}
}
/// <summary>
/// Сохранение обработанного видео в виде набора ключевых кадров
/// </summary>
private async void SaveVideoFileFunction()
{
try
{
progressWindow = ProgressWindow.InitializeProgressWindow();
SaveFileDialog dialog = new SaveFileDialog();
dialog.ShowDialog();
string XMLFileName = System.IO.Path.Combine(dialog.FileName, System.IO.Path.GetFileNameWithoutExtension(dialog.FileName) + ".xml");
VideoSaver videoSaver = new VideoSaver();
VideoSaver.videoFrameSavedEvent += this.VideoFrameSavedProcessing;
System.Drawing.Pen pen = new System.Drawing.Pen(System.Drawing.Color.Red, 2);
progressWindow.pbStatus.Value = 0.0;
if (this.video != null && this.video.Frames != null)
progressWindow.pbStatus.SmallChange = (double)progressWindow.pbStatus.Maximum / (double)this.video.Frames.Count;
progressWindow.capitalText.Text = SAVE_PROCESSED_VIDEO_FRAMES_STRING;
progressWindow.textInformation.Text = "";
progressWindow.Show();
if (this.video != null && this.video.Frames != null)
{
await videoSaver.SaveVideoAsync(this.video, pen, dialog.FileName, "ProcessedFrames", ".jpg");
await DigitalVideoProcessingLib.IO.XMLWriter.WriteTextBlocksInformation(video, XMLFileName);
}
else
{
await videoSaver.SaveVideoAsync(this.processedVideoFramesBitmapForSave, dialog.FileName, "ProcessedFrames", ".jpg");
await DigitalVideoProcessingLib.IO.XMLWriter.WriteTextBlocksInformation(this.textRegionsDictionary, XMLFileName);
}
OkButtonWindow okButtonWindow = OkButtonWindow.InitializeOkButtonWindow();
okButtonWindow.capitalText.Text = SAVE_PROCESSED_VIDEO_FRAMES_STRING;
okButtonWindow.textInformation.Text = SAVE_PROCESSED_VIDEO_FRAMES_SUCCESS_STRING;
progressWindow.Hide();
okButtonWindow.ShowDialog();
}
catch (Exception exception)
{
progressWindow.Hide();
ShowExceptionMessage(exception.Message);
}
}