/// <summary>
/// tries to open the video source and gets the number of frames from it, or
/// exits with an error
/// </summary>
/// <param name="videoSource">the AviSynth script</param>
/// <param name="error">return parameter for all errors</param>
/// <returns>true if the file could be opened, false if not</returns>
protected bool getInputProperties(VideoJob job, out string error)
{
double f;
int a, b;
error = JobUtil.GetAllInputProperties(out numberOfFrames, out f, out hres, out vres, out a, out b, job.Input);
darX = job.DARX;
darY = job.DARY;
if (job.Settings.UsesSAR)
{
int sarX, sarY;
VideoUtil.findSAR(job.DARX, job.DARY, hres, vres, out sarX, out sarY);
job.Commandline = CommandLineGenerator.generateVideoCommandline(job.Settings, job.Input, job.Output, sarX, sarY);
}
su.NbFramesTotal = numberOfFrames;
return(error == null);
}
protected override string getCommandline()
{
return(CommandLineGenerator.generateVideoCommandline(this.Settings, this.input, this.output, -1, -1));
}