/// <summary>
/// Create an array of frame images from a video file
/// </summary>
/// <param name="Video">Video file</param>
/// <param name="ImagePath">Path to hold frame band images</param>
/// <param name="FFmpeg">ffmpeg executable path</param>
/// <param name="Height">Height of generated frame bands.</param>
private static void CreateImages(string Video, string ImagePath, string FFmpeg, int Height)
{
VideoInfo VI = Tools.GetVideoInfo(Video);
if (Height < 1)
{
Height = VI.Resolution.Height;
}
DateTime Start = DateTime.Now;
Console.Error.WriteLine("Press [q] to abort processing and use existing frames");
using (Process P = Tools.BeginConversion(Video, ImagePath, Height))
{
using (StreamReader SR = P.StandardError)
{
StatusLine SL;
int Y = Console.CursorTop;
while (!SR.EndOfStream)
{
if (Console.KeyAvailable && Console.ReadKey(true).Key == ConsoleKey.Q)
{
P.StandardInput.WriteLine("q");
}
SL = new StatusLine(SR.ReadLine());
TimeSpan Estimate = new TimeSpan(0, 0, (int)(VI.Duration.TotalSeconds / SL.Speed));
TimeSpan CurrentTime = Tools.CutToSeconds(DateTime.Now.Subtract(Start));
if (SL.Frame > 0)
{
Console.SetCursorPosition(0, Y);
Console.Error.WriteLine(@"Time : {0}
Speed : {1,-6}
Frames : {2,-6}
Estimate: {3}
Current : {4}", SL.Time, SL.Speed, SL.Frame, Estimate, CurrentTime);
}
}
}
//Instead of just waiting, spawn the Process hidden and show the progress of stderr.
//I have some code for this already, but was too lazy to go and copy it.
P.WaitForExit();
}
}
public frmEncoder(string TempDir, string SourceFile, string DestinationFile, int BandHeight, bool SingleColor)
{
this.TempDir = TempDir;
this.SourceFile = SourceFile;
this.DestinationFile = DestinationFile;
this.BandHeight = BandHeight;
this.SingleColor = SingleColor;
Tools.ThreadExit += Tools_ThreadExit;
VI = Tools.GetVideoInfo(SourceFile);
InitializeComponent();
pbStatus.Maximum = (int)VI.Duration.TotalSeconds;
Encoder = new Thread(delegate()
{
var Start = DateTime.Now;
using (Process P = Tools.BeginConversion(SourceFile, TempDir, BandHeight))
{
using (StreamReader SR = P.StandardError)
{
StatusLine SL;
while (!SR.EndOfStream)
{
if (Aborted)
{
P.StandardInput.WriteLine("q");
}
SL = new StatusLine(SR.ReadLine());
if (!Aborted)
{
TimeSpan Estimate = new TimeSpan(0, 0, (int)(VI.Duration.TotalSeconds / SL.Speed));
if (SL.Frame > 0)
{
this.Invoke((MethodInvoker) delegate
{
lblEncodingProgress.Text = string.Format(@"Status:
Speed : {0}x playback
Video time : {1} / {5}
Current frame : {2}
Progress : {3}%
Estimated encoding time: {4}
Encoding time : {6}",
SL.Speed,
SL.Time,
SL.Frame,
Perc(SL.Frame, (int)VI.Duration.TotalSeconds),
Estimate,
VI.Duration,
Tools.CutToSeconds(DateTime.Now.Subtract(Start)));
//Set progress bar only if valid
if (pbStatus.Maximum >= SL.Frame)
{
pbStatus.Value = SL.Frame;
}
else
{
pbStatus.Value = pbStatus.Maximum;
}
});
}
}
}
}
P.WaitForExit();
}
})
{
IsBackground = true,
Name = "Encoding of " + SourceFile
};
Encoder.Start();
Tools.WatchThread(Encoder);
}
