/// <summary>
/// Class describing a video file, manipulated using VLC libraries
/// </summary>
/// <param name="fileName"></param>
public Video(string fileName)
{
FileInfo file = new FileInfo(fileName);
bool initialized = false;
if (!VideoTools.checkVlcLib())
{
throw new Exception("Cannot find the VLC library... Please make sure you're running this application from inside your PinUp folder...");
}
try
{
VlcMediaPlayer mediaPlayer = new VlcMediaPlayer(VideoTools.GetLibVlcLocation(), VideoTools.GetVlcOptionsHeadless(0));
initialized = true;
mediaPlayer.SetMedia(file);
mediaPlayer.GetMedia().Parse();
this.Duration = mediaPlayer.GetMedia().Duration.TotalSeconds;
this.Width = (int)mediaPlayer.GetMedia().TracksInformations[0].Video.Width;
this.Height = (int)mediaPlayer.GetMedia().TracksInformations[0].Video.Height;
this.FileName = fileName;
mediaPlayer.Dispose();
}
catch (Exception exc)
{
if (!initialized)
{
throw (new Exception("Cannot initialize VLC player library: " + exc.Message));
}
else
{
throw (new Exception("VLC library error: " + exc.Message));
}
}
}
/// <summary>
/// Extract a still frame from a video
/// </summary>
/// <param name="startAt"></param>
/// <returns></returns>
public Bitmap GetFrame(double startAt)
{
FileInfo file = new FileInfo(this.FileName);
FileInfo file2 = new FileInfo(Path.GetTempPath() + "\\snapshot.png");
if (File.Exists(file2.FullName))
{
File.Delete(file2.FullName);
}
VlcMediaPlayer mediaPlayer = new VlcMediaPlayer(VideoTools.GetLibVlcLocation(), VideoTools.GetVlcOptionsHeadless(startAt));
try
{
bool done = false;
bool takesnapshot = true;
mediaPlayer.PositionChanged += (sender, e) =>
{
if (takesnapshot)
{
takesnapshot = false; // avoid re-entry
mediaPlayer.TakeSnapshot(file2);
done = true;
}
};
mediaPlayer.SetMedia(file);
mediaPlayer.Play();
DateTime start = DateTime.UtcNow;
while (!done) // wait for video to start, timeout 3 seconds
{
if ((DateTime.UtcNow - start).TotalMilliseconds >= 3000)
{
throw (new Exception("Error when starting video!"));
}
}
mediaPlayer.Dispose();
}
catch (Exception exc)
{
mediaPlayer.Dispose();
throw (new Exception("VLC library error:" + exc.Message));
}
if (File.Exists(file2.FullName))
{
Bitmap pic = new Bitmap(file2.FullName);
return(pic);
}
else
{
throw (new Exception("Error while extracting snapshot from video!"));
}
}
private void loadPicToWindow(string picturePath)
{
Bitmap bgPic = null;
MatDWindow.PictureSource source = MatDWindow.PictureSource.none;
string defaultPicFileName = "";
string defaultResName = "";
string extension = Path.GetExtension(picturePath).ToUpper();
if (extension == ".MP4")
{
Video vid = new Video(picturePath);
bgPic = vid.GetFrame(vid.Duration / 2);
source = MatDWindow.PictureSource.video;
defaultPicFileName = Path.GetFileNameWithoutExtension(picturePath) + "-snapshot.png";
}
else if (extension == ".DB2S" || extension == ".DIRECTB2S")
{
B2s b2s = new B2s(picturePath);
if (b2s.IsValid)
{
B2sForm frm = new B2sForm("You picked a DB2S file... Which image would you like to import?",
"Backglass only", true,
"Backglass with speaker grill", b2s.HasGrill(),
"Speaker grill only", b2s.HasGrill());
frm.TopMost = true;
DialogResult dlg = frm.ShowDialog(this);
if (dlg == DialogResult.OK)
{
bgPic = (Bitmap)b2s.BackGlassImage(false);
defaultPicFileName = Path.GetFileNameWithoutExtension(picturePath) + "-backglass.png";
}
else if (dlg == DialogResult.Retry)
{
bgPic = (Bitmap)b2s.BackGlassImage(true);
defaultPicFileName = Path.GetFileNameWithoutExtension(picturePath) + "-backglass_with_grill.png";
}
else if (dlg == DialogResult.Ignore)
{
bgPic = (Bitmap)b2s.GrillImage();
defaultPicFileName = Path.GetFileNameWithoutExtension(picturePath) + "-grill.png";
}
defaultResName = Path.GetFileNameWithoutExtension(picturePath) + ".res";
source = MatDWindow.PictureSource.db2s;
}
}
else
{
bgPic = new Bitmap(picturePath);
source = MatDWindow.PictureSource.picture;
defaultPicFileName = Path.GetFileNameWithoutExtension(picturePath) + ".png";
}
if (bgPic != null)
{
string extraInfoCaption = "(" + source + " " + bgPic.Width.ToString() + "x" + bgPic.Height.ToString() + ")";
selectedPupScreen.Window.LoadPicture(VideoTools.CopyAndReleaseImage(bgPic), source, extraInfoCaption, defaultPicFileName, defaultResName);
}
else
{
throw new Exception("Unrecognized format");
}
}