/// <summary>
/// FFMpeg Create Preview Images From Video Dir
/// </summary>
/// <param name="VideoDir"></param>
/// <param name="SaveDir"></param>
public void VideoScreenCaps(string VideoDir, ProgressBar progressB, bool NewThread = true, string SaveDir = "", int TilesWide = 3, int TilesTall = 3, string Scale = "320:240", string SaveFormat = "jpg", bool OverWriteExisting = false, string CaptureOpt = "1000")
{
if (NewThread)
{
Thread newThread = new Thread(() => VideoScreenCaps(VideoDir, progressB, false, SaveDir, TilesWide, TilesTall, Scale, SaveFormat, OverWriteExisting, CaptureOpt));
thr.Start(newThread, "VidThread");
//newThread.Start();
}
else
{
// string videoFilePath, string saveDir = "", int TilesWide = 3, int TilesTall = 3, string Scale = "320:240", string SaveFormat = "jpg"
if (!pathDefined)
{
pathDefined = FFMpeg_DefinePaths(); if (!pathDefined)
{
return;
}
}
List <string> files = new List <string>();
if (ahk.isFile(VideoDir))
{
files.Add(VideoDir);
}
else
{
files = lst.FileList(VideoDir, "*.*", true, false, true);
}
if (progressB.InvokeRequired)
{
progressB.BeginInvoke((MethodInvoker) delegate() { progressB.Maximum = files.Count(); });
}
else
{
progressB.Maximum = files.Count();
}
SaveDir = VideoDir + "\\Previews";
Dir_Watch(SaveDir); // monitor dir for new images and display as created
Stopwatch watch = new Stopwatch();
int i = 0;
foreach (string file in files)
{
watch.Start();
sb(file);
i++; sb(i + "/" + files.Count.ToString(), 2);
if (progressB.InvokeRequired)
{
progressB.BeginInvoke((MethodInvoker) delegate() { progressB.Value = i; });
}
else
{
progressB.Value = i;
}
ahk.DisplayText(ahk.FileName(file) + " | " + i + "/" + files.Count, txtCurrentProgress);
// calculate time left until folder completed
// number of files left in dir to vidCap // reemaining jobs times last job time = time remaining
int remaining = files.Count() - i; remaining = remaining * lastJobTime;
TimeSpan t = TimeSpan.FromSeconds(remaining);
string remains = t.TotalMinutes.ToString();
if (txtRemainingMin.InvokeRequired)
{
txtRemainingMin.BeginInvoke((MethodInvoker) delegate() { txtRemainingMin.Text = remains + " Min Left"; });
}
else
{
txtRemainingMin.Text = remains + " Min Left";
}
// check to see if preview image already exists
string PreviewImage = SaveDir + "\\" + ahk.FileNameNoExt(file) + "." + SaveFormat;
if (!OverWriteExisting)
{
if (!File.Exists(PreviewImage))
{
sb("Generating Video Preview Image... " + ahk.FileName(PreviewImage));
string previewImg = VidCap_Tiles(file, "", TilesWide, TilesTall, Scale, SaveFormat, CaptureOpt);
//if (pictureBox != null) { pictureBox.Image = previewImg.ToImg(); } // display preview image if viewer visible
}
}
else
{
ahk.FileDelete(PreviewImage);
sb("Generating Video Preview Image... " + ahk.FileName(PreviewImage));
string previewImg = VidCap_Tiles(file, "", TilesWide, TilesTall, Scale, SaveFormat, CaptureOpt);
//if (pictureBox != null) { pictureBox.Image = previewImg.ToImg(); } // display preview image if viewer visible
}
string stopWatchTime = watch.Elapsed.Seconds.ToString(); lastJobTime = watch.Elapsed.Seconds;
ahk.DisplayText(stopWatchTime + " seconds", txtJobTimeDisp);
watch.Reset();
}
ahk.OpenDir(SaveDir);
ahk.MsgBox("Finished Creating VideoScreenCaps");
}
}