public WriteToVideo(String[] filelistin, Tracker[] trackerlistin, String outputfolderin, String ffmpegLocationin, Boolean hiddenIn)
{
filelist = filelistin;
trackerlist = trackerlistin;
outputfolder = outputfolderin;
ffmpegLocation = ffmpegLocationin;
hidden = hiddenIn;
}
// create command
// add to txt
// remove files that will be created
// execute command
private int cutParts(String file, Tracker tracker, StreamWriter txtfile)
{
String[] outputFiles;
List < int[] > timelist = tracker.getList();
// check if tracker empty
if (timelist == null)
{
return 2; // make it return 2 instead of 0, so we can detect if no movement in whole file
}
// loop over all elements and create command string and add to txt
outputFiles = new String[timelist.Count];
for (int i = 0; i < timelist.Count; i++)
{
String outputfile = outputfolder + "\\" + Path.GetFileNameWithoutExtension(file) + "_" + i + ".mp4";
outputFiles[i] = outputfile;
temporaryFiles.Add(outputfile);
// Command = ffmpeg -i testvid.avi -ss 00:01:34 -to 00:02:22 -c:v libx264 -preset ultrafast newStream1.mp4
String command = "/C "; // quit terminal after executing
//command += ffmpegLocation; // add ffmpeglocation
command += "cd \"" + Path.GetDirectoryName(ffmpegLocation) + "\" && ";
command += Path.GetFileName(ffmpegLocation);
command += " -i " + "\"" + file + "\""; // add file location
command += " -ss " + convertLength(timelist[i][0]);
command += " -to " + convertLength(timelist[i][1]);
//command += " -vcodec copy -preset ultrafast "; -- use this for speed but lower accuracy
command += " -preset ultrafast ";
command += "\"" + outputfile + "\""; // add outputfile
// add to txt: "file 'C:\Users\michael\Documents\newtestvids\newStream1.mp4'"
String toAddToTxt = "file '" + outputfile + "'";
txtfile.WriteLine(toAddToTxt);
// execute command
clearFile(outputfile);
int result = runCommand(command);
if(result != 0)
{
return 1;
}
}
// add outputfiles to the temporaryfiles list
temporaryFiles.AddRange(outputFiles);
return 0; // 0 for succes, 1 for fail
}
// Function to process the file
public int doProcess(ProgressStorage progressStorage)
{
currentFrame = 0;
reader = new VideoFileReader();
try
{
reader.Open(file);
}
catch
{
return 1;
}
int frameCount = (int)reader.FrameCount;
tracker = new Tracker(movementWindow);
int nrofiterations = frameCount / 200;
int i = 0;
int nrofframes = 0;
while (i < nrofiterations)
{
nrofframes = 200;
loadinPart(nrofframes, area);
if(i == 0) // store first frame as background frame
{
backgroundFrame = imageStack[0].Clone(new Rectangle(0, 0, imageStack[0].Width, imageStack[0].Height), imageStack[0].PixelFormat);
}
processFilePart();
progressStorage.incrementProgress(currentFrame);
i++;
}
nrofframes = frameCount - currentFrame;
loadinPart(nrofframes, area);
if (nrofiterations == 0) // store first frame as background frame if nrofiterations is 0
{
backgroundFrame = imageStack[0].Clone(new Rectangle(0, 0, imageStack[0].Width, imageStack[0].Height), imageStack[0].PixelFormat);
}
processFilePart();
progressStorage.incrementProgress(currentFrame);
tracker.closeList(currentFrame);
reader.Close(); // close the file
return 0;
}
