public void exportTo(DicomElement dicomElement, BackgroundWorker worker)
{
string tmpAviFilePath = Path.Combine(Settings.Default.ExportPath, dicomElement + "-tmp.avi");
if (File.Exists(tmpAviFilePath))
{
tmpAviFilePath = renameToNonExistentFileName(tmpAviFilePath);
}
doExporting(tmpAviFilePath, dicomElement, worker);
List<VideoFormat> videoFormats = getCheckedFormats();
foreach (VideoFormat videoFormat in videoFormats)
{
log.Debug("Exporting to ." + videoFormat.ToString().ToLower());
doCompression(videoFormat, tmpAviFilePath, dicomElement);
}
File.Delete(tmpAviFilePath);
}
private string createDefaultArguments(VideoFormat videoFormat, string inputFilePath, string outputFilePath, DicomElement dicomElement)
{
// for ffmpeg testing
//ffmpeg -i test-video.avi -r 2 -qscale 31 -f m4v m5.mpg
// mpeg1 supports only specific fps values, see mpeg12data.c from ffmpeg source
string format = videoFormat.ToString().ToLower();
int originalFps;
string strOriginalFps = dicomElement.DicomFile.DataSet[DicomTags.CineRate].GetString(0, "");
if (int.TryParse(strOriginalFps, out originalFps) == false)
{
originalFps = Settings.Default.Fps;
}
int fps = (videoFormat == VideoFormat.MPEG) ? 24 : originalFps;
return @"-i " + inputFilePath
+ " -r " + fps
+ " -qscale " + Settings.Default.Quality
+ " -f " + format
+ " \"" + outputFilePath + "\"";
}
private void doCompression(VideoFormat videoFormat,string tmpAviFilePath, DicomElement dicomElement)
{
string format = videoFormat.ToString().ToLower();
string outputFileName = Path.GetFileNameWithoutExtension(dicomElement.FilePath) + "." + format;
string outputFolderPath = Settings.Default.ExportPath + dicomElement.GetSubFolderPath(format);
Directory.CreateDirectory(outputFolderPath);
string outputFilePath = Path.Combine(outputFolderPath, outputFileName);
if (File.Exists(outputFilePath))
{
outputFilePath = renameToNonExistentFileName(outputFilePath);
}
if (videoFormat == VideoFormat.M4V)
{
executeMultiPassesCommandsForM4v(tmpAviFilePath, outputFilePath);
}
else
{
executeFFmpegCommand(createDefaultArguments(videoFormat, tmpAviFilePath, outputFilePath, dicomElement));
}
}
private void doExporting(string tmpFilePath, DicomElement dicomElement, BackgroundWorker worker)
{
//create a new AVI file
AviManager aviManager = new AviManager(tmpFilePath, false);
//add a new video stream and one frame to the new file
// todo mozda ce moci drugaciji konstruktor...
Bitmap bitmap = dicomElement.GetBitmap(1);
VideoStream aviStream = aviManager.AddVideoStream(createCompressedOptions(), Settings.Default.Fps, bitmap);
bitmap.Dispose();
worker.ReportProgress(1);
for (int n = 2; n <= dicomElement.FrameCount; n++)
{
bitmap = dicomElement.GetBitmap(n);
aviStream.AddFrame(bitmap);
bitmap.Dispose();
worker.ReportProgress(1);
}
aviManager.Close();
}
internal void TreeNodeSelectionChanged(TreeNode currentNode)
{
this.currentDicomElement = new DicomElement(currentNode);
this.currentFrame = 1;
this.selection.Size = new Size();
this.endPoint = this.startPoint;
}
