protected override void Execute(CodeActivityContext context)
{
Process ps = null;
if (!DisableActivity.Get(context))
{
FFmpegArgument arguments = new FFmpegArgument();
arguments.FFmpegFilePath = FFmpegFilePath.Get(context);
arguments.OutputFileName = OutputFileName.Get(context);
arguments.VideoCodec = VideoCodec.Get(context);
arguments.PixelFormat = PixelFormat.Get(context);
arguments.ExtraOptionString = ExtraOptionString.Get(context);
arguments.MaxDuration = MaxDuration.Get(context);
arguments.MaxFileSize = MaxFileSize.Get(context);
arguments.FrameRate = FrameRate.Get(context);
ps = StartRecording.Start(arguments, DelayAfter.Get(context));
}
FFmpegProcess.Set(context, ps);
}
protected override void Execute(NativeActivityContext context)
{
if (!IsActivityDisable.Get(context))
{
FFmpegArgument arguments = new FFmpegArgument();
arguments.FFmpegFilePath = FFmpegFilePath.Get(context);
arguments.OutputFileName = OutputFileName.Get(context);
arguments.VideoCodec = VideoCodec.Get(context);
arguments.PixelFormat = PixelFormat.Get(context);
arguments.ExtraOptionString = ExtraOptionString.Get(context);
arguments.MaxDuration = MaxDuration.Get(context);
arguments.MaxFileSize = MaxFileSize.Get(context);
arguments.FrameRate = FrameRate.Get(context);
ps = StartRecording.Start(arguments, DelayAfter.Get(context));
}
if (Body != null)
{
context.ScheduleAction(Body, OnCompleted, OnFaulted);
}
}
public static Process Start(FFmpegArgument ffmpegArgument, int intDelayAfter)
{
Process ps = null;
#region BuildArgument
string strArgument = BASE_ARGUMENT;
//Video Codec: -vcodec option;
string strVideoCodec = ffmpegArgument.VideoCodec;
if (String.IsNullOrEmpty(strVideoCodec))
{
strVideoCodec = DEFAULT_VIDEO_CODEC;
}
strArgument += " -vcodec " + strVideoCodec;
//Pixel Format: -pix_fmt option;
string strPixelFormat = ffmpegArgument.PixelFormat;
if (String.IsNullOrEmpty(strPixelFormat))
{
strPixelFormat = DEFAULT_PIXEL_FORMAT;
}
strArgument += " -pix_fmt " + strPixelFormat;
//Max Durtion: -t option;
int intMaxDuration = ffmpegArgument.MaxDuration;
if (intMaxDuration == 0)
{
intMaxDuration = DEFAULT_MAX_DURATION;
}
strArgument += " -t " + intMaxDuration.ToString();
//Max Filesize: -fs option
long longMaxFileSize = ffmpegArgument.MaxFileSize;
if (longMaxFileSize == 0)
{
longMaxFileSize = DEFAULT_MAX_FILE_SIZE_MB;
}
strArgument += (" -fs " + (longMaxFileSize << 20).ToString()); // Mbyte to byte
//Framerate: -framerate option
int intFrameRate = ffmpegArgument.FrameRate;
if (intFrameRate > 60 || intFrameRate < 1)
{
intFrameRate = DEFAULT_FPS;
}
strArgument += " -framerate " + intFrameRate.ToString();
//Extra Options and Video File Name
strArgument += " " + ffmpegArgument.ExtraOptionString;
//Extra Options and Video File Name
string strOutputVideoFileName = "\"" + ffmpegArgument.OutputFileName + "\"";
strArgument += " " + strOutputVideoFileName;
#endregion
//Delete Video file if already exist.
if (System.IO.File.Exists(ffmpegArgument.OutputFileName))
{
System.IO.File.Delete(ffmpegArgument.OutputFileName);
}
//Append "ffmpeg.exe" if the argument does not end with it.
string strFFmpegFilePath = ffmpegArgument.FFmpegFilePath;
if (!strFFmpegFilePath.EndsWith(FFMPEG_EXE_NAME))
{
strFFmpegFilePath = System.IO.Path.Combine(strFFmpegFilePath, FFMPEG_EXE_NAME);
}
#region Run FFmpeg
//Check ffmpeg.exe
if (System.IO.File.Exists(strFFmpegFilePath))
{
ProcessStartInfo psi = new ProcessStartInfo();
psi.FileName = strFFmpegFilePath;
psi.Arguments = strArgument;
psi.CreateNoWindow = false;
psi.UseShellExecute = true;
psi.WindowStyle = ProcessWindowStyle.Minimized;
ps = Process.Start(psi);
System.Threading.Thread.Sleep(intDelayAfter);
//Check if ffmpeg is normaly running.
if (ps.HasExited)
{
throw (new Exception(MSG_FFMPEG_FAILED_TO_START));
}
}
else
{
throw new System.IO.FileNotFoundException(MSG_FFMPEG_NOT_FOUND_EXCEPTION);
}
#endregion
return(ps);
}
