internal void ConvertMedia(Media input, Media output, ConvertSettings settings)
{
this.EnsureFFMpegLibs();
string filename = input.Filename;
if (filename == null)
{
filename = Path.GetTempFileName();
using (FileStream stream = new FileStream(filename, FileMode.Create, FileAccess.Write, FileShare.None))
{
this.CopyStream(input.DataStream, stream, 0x40000);
}
}
string path = output.Filename;
if (path == null)
{
path = Path.GetTempFileName();
}
if (((output.Format == "flv") || (Path.GetExtension(path).ToLower() == ".flv")) && !settings.AudioSampleRate.HasValue)
{
settings.AudioSampleRate = 0xac44;
}
try
{
string fFMpegExePath = this.GetFFMpegExePath();
if (!File.Exists(fFMpegExePath))
{
throw new FileNotFoundException("Cannot find ffmpeg tool: " + fFMpegExePath);
}
string arguments = this.ComposeFFMpegCommandLineArgs(filename, input.Format, path, output.Format, settings);
ProcessStartInfo startInfo = new ProcessStartInfo(fFMpegExePath, arguments)
{
WindowStyle = ProcessWindowStyle.Hidden,
CreateNoWindow = true,
UseShellExecute = false,
WorkingDirectory = Path.GetDirectoryName(this.FFMpegToolPath),
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = true
};
this.InitStartInfo(startInfo);
if (this.FFMpegProcess != null)
{
throw new InvalidOperationException("FFMpeg process is already started");
}
this.FFMpegProcess = Process.Start(startInfo);
if (this.FFMpegProcessPriority != ProcessPriorityClass.Normal)
{
this.FFMpegProcess.PriorityClass = this.FFMpegProcessPriority;
}
string lastErrorLine = string.Empty;
FFMpegProgress ffmpegProgress = new FFMpegProgress(new Action <ConvertProgressEventArgs>(this.OnConvertProgress), this.ConvertProgress != null);
if (settings != null)
{
ffmpegProgress.Seek = settings.Seek;
ffmpegProgress.MaxDuration = settings.MaxDuration;
}
this.FFMpegProcess.ErrorDataReceived += delegate(object o, DataReceivedEventArgs args) {
if (args.Data != null)
{
lastErrorLine = args.Data;
ffmpegProgress.ParseLine(args.Data);
this.FFMpegLogHandler(args.Data);
}
};
this.FFMpegProcess.OutputDataReceived += delegate(object o, DataReceivedEventArgs args) {
};
this.FFMpegProcess.BeginOutputReadLine();
this.FFMpegProcess.BeginErrorReadLine();
this.WaitFFMpegProcessForExit();
if (this.FFMpegProcess.ExitCode != 0)
{
throw new FFMpegException(this.FFMpegProcess.ExitCode, lastErrorLine);
}
this.FFMpegProcess.Close();
this.FFMpegProcess = null;
ffmpegProgress.Complete();
if (output.Filename == null)
{
using (FileStream stream2 = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.None))
{
this.CopyStream(stream2, output.DataStream, 0x40000);
}
}
}
catch (Exception)
{
this.EnsureFFMpegProcessStopped();
throw;
}
finally
{
if (((filename != null) && (input.Filename == null)) && File.Exists(filename))
{
File.Delete(filename);
}
if (((path != null) && (output.Filename == null)) && File.Exists(path))
{
File.Delete(path);
}
}
}
public void ConcatMedia(string[] inputFiles, string outputFile, string outputFormat, ConcatSettings settings)
{
this.EnsureFFMpegLibs();
string fFMpegExePath = this.GetFFMpegExePath();
if (!File.Exists(fFMpegExePath))
{
throw new FileNotFoundException("Cannot find ffmpeg tool: " + fFMpegExePath);
}
StringBuilder builder = new StringBuilder();
foreach (string str2 in inputFiles)
{
if (!File.Exists(str2))
{
throw new FileNotFoundException("Cannot find input video file: " + str2);
}
builder.AppendFormat(" -i {0} ", this.CommandArgParameter(str2));
}
StringBuilder outputArgs = new StringBuilder();
this.ComposeFFMpegOutputArgs(outputArgs, outputFormat, settings);
outputArgs.Append(" -filter_complex \"");
outputArgs.AppendFormat("concat=n={0}", inputFiles.Length);
if (settings.ConcatVideoStream)
{
outputArgs.Append(":v=1");
}
if (settings.ConcatAudioStream)
{
outputArgs.Append(":a=1");
}
if (settings.ConcatVideoStream)
{
outputArgs.Append(" [v]");
}
if (settings.ConcatAudioStream)
{
outputArgs.Append(" [a]");
}
outputArgs.Append("\" ");
if (settings.ConcatVideoStream)
{
outputArgs.Append(" -map \"[v]\" ");
}
if (settings.ConcatAudioStream)
{
outputArgs.Append(" -map \"[a]\" ");
}
string arguments = string.Format("-y -loglevel {3} {0} {1} {2}", new object[] { builder.ToString(), outputArgs, this.CommandArgParameter(outputFile), this.LogLevel });
try
{
ProcessStartInfo startInfo = new ProcessStartInfo(fFMpegExePath, arguments)
{
WindowStyle = ProcessWindowStyle.Hidden,
UseShellExecute = false,
CreateNoWindow = true,
WorkingDirectory = Path.GetDirectoryName(this.FFMpegToolPath),
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = true
};
this.InitStartInfo(startInfo);
if (this.FFMpegProcess != null)
{
throw new InvalidOperationException("FFMpeg process is already started");
}
this.FFMpegProcess = Process.Start(startInfo);
if (this.FFMpegProcessPriority != ProcessPriorityClass.Normal)
{
this.FFMpegProcess.PriorityClass = this.FFMpegProcessPriority;
}
string lastErrorLine = string.Empty;
FFMpegProgress ffmpegProgress = new FFMpegProgress(new Action <ConvertProgressEventArgs>(this.OnConvertProgress), this.ConvertProgress != null);
if (settings != null)
{
ffmpegProgress.MaxDuration = settings.MaxDuration;
}
this.FFMpegProcess.ErrorDataReceived += delegate(object o, DataReceivedEventArgs args) {
if (args.Data != null)
{
lastErrorLine = args.Data;
ffmpegProgress.ParseLine(args.Data);
this.FFMpegLogHandler(args.Data);
}
};
this.FFMpegProcess.OutputDataReceived += delegate(object o, DataReceivedEventArgs args) {
};
this.FFMpegProcess.BeginOutputReadLine();
this.FFMpegProcess.BeginErrorReadLine();
this.WaitFFMpegProcessForExit();
if (this.FFMpegProcess.ExitCode != 0)
{
throw new FFMpegException(this.FFMpegProcess.ExitCode, lastErrorLine);
}
this.FFMpegProcess.Close();
this.FFMpegProcess = null;
ffmpegProgress.Complete();
}
catch (Exception)
{
this.EnsureFFMpegProcessStopped();
throw;
}
}