/// <summary>
/// Save the image to the specified path then dispose the Image object.
/// </summary>
/// <param name="img">Image to save</param>
/// <param name="path">Full path including file name and extension to save the image to</param>
/// <param name="quality">Image save quality (0 - 100)</param>
public static void SaveAs(this Image img, string path, int quality = 95)
{
using (var myEncoderParameters = new EncoderParameters(1))
{
var myEncoder = Encoder.Quality;
using (var myEncoderParameter = new EncoderParameter(myEncoder, (long)quality))
{
myEncoderParameters.Param[0] = myEncoderParameter;
using (img)
{
var dotIndex = path.LastIndexOf('.');
var ext = path.Substring(dotIndex, path.Length - dotIndex - 1);
var myImageCodecInfo = EncoderInfo.GetEncoderInfo(ext);
img.Save(path, myImageCodecInfo, myEncoderParameters);
}
}
}
}
public string Encode(EncoderInfo theEncoderInfo)
{
Log.Info("Start of encoding bitmaps into video stream...");
//Audio-Video maker process
using (var aVMaker = new Process())
{
aVMaker.StartInfo.FileName = Path.Combine(theEncoderInfo.ExePath, theEncoderInfo.ExeName);
aVMaker.StartInfo.RedirectStandardOutput = true;
aVMaker.StartInfo.RedirectStandardError = true;
aVMaker.EnableRaisingEvents = true;
#if DEBUG
aVMaker.StartInfo.UseShellExecute = false;
aVMaker.StartInfo.CreateNoWindow = false;
#else
aVMaker.StartInfo.UseShellExecute = false;
aVMaker.StartInfo.CreateNoWindow = true;
#endif
var aOutFile = GetOutputFile(theEncoderInfo.HookId);
//avMaker.StartInfo.Arguments = String.Format(@"-i bitmaps\{0} -vcodec huffyuv output.avi", pngLoc);
//avMaker.StartInfo.Arguments = String.Format(@"-i bitmaps\{0} -r 20 output.mp4", pngLoc);
aVMaker.StartInfo.Arguments = theEncoderInfo.Arguments + "\\" + aOutFile;
// String.Format(@"-i {0} -r {2} -c:v libx264 -preset slow -crf 21 {1}", ifile, outFile, Settings.Default.FramesPerSec);
// avMaker.StartInfo.Arguments = String.Format(@" -r 20 -i bitmaps\{0} -c:v libx264 -r 20 -pix_fmt yuv420p output.mp4", pngLoc);
var aOutput = new StringBuilder();
var aError = new StringBuilder();
using (var aOutputWaitHandle = new AutoResetEvent(false))
{
using (var aErrorWaitHandle = new AutoResetEvent(false))
{
if (!aVMaker.Start())
{
Log.Error("Error in starting the FFMPEG process!");
}
aVMaker.OutputDataReceived += (theSender, theArgs) =>
{
if (theArgs.Data == null)
{
aOutputWaitHandle.Set();
}
else
{
aOutput.AppendLine(theArgs.Data);
}
};
aVMaker.ErrorDataReceived += (theSender, theArgs) =>
{
if (theArgs.Data == null)
{
aErrorWaitHandle.Set();
}
else
{
aError.AppendLine(theArgs.Data);
}
};
aVMaker.BeginOutputReadLine();
aVMaker.BeginErrorReadLine();
// Log FFMPEG output and errors
Log.Info(aOutput);
Log.Error(aError);
if (aVMaker.WaitForExit(int.MaxValue) &&
aOutputWaitHandle.WaitOne() &&
aErrorWaitHandle.WaitOne())
{
// Process completed. Check process.ExitCode here.
Log.Info("FFMPEG Process completed with exit code:" + aVMaker.ExitCode);
}
else
{
// Timed out.
Log.Info("FFMPEG Process timeout!");
}
return(aOutFile);
}
}
}
}
