public static string Serialize(EngineParameters engineParameters)
{
switch (engineParameters.Task)
{
case FFmpegTask.Storyboard:
return(GetStoryboard(engineParameters));
case FFmpegTask.Check:
return(GetHealthCheck(engineParameters));
case FFmpegTask.GIF:
return(GetGIF(engineParameters));
case FFmpegTask.GenerateHLS:
return(GetHLS(engineParameters));
case FFmpegTask.Convert:
return(Convert(engineParameters.InputFile, engineParameters.OutputFile, engineParameters.ConversionOptions));
case FFmpegTask.GetMetaData:
return(GetMetadata(engineParameters.InputFile));
case FFmpegTask.GetThumbnail:
return(GetThumbnail(engineParameters.ThumbnailOptions));
default:
throw new ArgumentOutOfRangeException();
}
}
private void HandleOutput(EngineParameters engineParameters, DataReceivedEventArgs received, List <string> receivedMessagesLog, ref Exception caughtException)
{
if (received.Data == null)
{
return;
}
var totalMediaDuration = new TimeSpan();
try
{
receivedMessagesLog.Insert(0, received.Data);
SetMetadata(engineParameters, received, totalMediaDuration);
HandleProgressResult(received, totalMediaDuration);
HandleConversionResult(engineParameters, received, totalMediaDuration);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
// catch the exception and kill the process since we're in a faulted state
caughtException = ex;
try
{
this.FFmpegProcess.Kill();
}
catch
{
// swallow exceptions that are thrown when killing the process,
// one possible candidate is the application ending naturally before we get a chance to kill it
}
}
}
/// <summary>
/// <para> Retrieve media metadata</para>
/// </summary>
/// <param name="inputFile">Retrieves the metadata for the input file. </param>
public void GetMetadata(MediaFile inputFile)
{
var engineParams = new EngineParameters
{
InputFile = inputFile,
Task = FFmpegTask.GetMetaData
};
this.FFmpegEngine(engineParams);
}
/// -------------------------------------------------------------------------------------------------
/// <summary> Extracts all frames from a video. </summary>
/// <param name="inputFile"> Video file. </param>
public void ExtractFrames(MediaFile inputFile)
{
EngineParameters engineParams = new EngineParameters
{
InputFile = inputFile,
Task = FFmpegTask.ExtractFrames
};
this.FFmpegEngine(engineParams);
}
public void CustomCommand(string ffmpegCommand)
{
if (ffmpegCommand.IsNullOrWhiteSpace())
{
throw new ArgumentNullException("ffmpegCommand");
}
EngineParameters engineParameters = new EngineParameters { CustomArguments = ffmpegCommand };
this.StartFFmpegProcess(engineParameters);
}
/// <summary> Retrieve a thumbnail image from a video file. </summary>
/// <param name="inputFile"> Video file. </param>
/// <param name="outputFile"> Image file. </param>
/// <param name="options"> Conversion options. </param>
public void GetThumbnail(ThumbnailOptions options)
{
var engineParams = new EngineParameters
{
InputFile = new MediaFile(options.InputFile),
ThumbnailOptions = options,
Task = FFmpegTask.GetThumbnail
};
this.FFmpegEngine(engineParams);
}
/// <summary>
/// <para> Converts media with default options</para>
/// </summary>
/// <param name="inputFile"> Input file. </param>
/// <param name="outputFile"> Output file. </param>
public void Convert(MediaFile inputFile, MediaFile outputFile)
{
var engineParams = new EngineParameters
{
InputFile = inputFile,
OutputFile = outputFile,
Task = FFmpegTask.Convert
};
this.FFmpegEngine(engineParams);
}
/// -------------------------------------------------------------------------------------------------
/// <summary>
/// <para> ---</para>
/// <para> Converts media with default options</para>
/// </summary>
/// <param name="inputFile"> Input file. </param>
/// <param name="outputFile"> Output file. </param>
public void Convert(MediaFile inputFile, MediaFile outputFile)
{
EngineParameters engineParams = new EngineParameters
{
InputFile = inputFile,
OutputFile = outputFile,
Task = FFmpegTask.Convert
};
this.FFmpegEngine(engineParams);
}
/// -------------------------------------------------------------------------------------------------
/// <summary>
/// <para> ---</para>
/// <para> Converts media with conversion options</para>
/// </summary>
/// <param name="inputFile"> Input file. </param>
/// <param name="outputFile"> Output file. </param>
/// <param name="options"> Conversion options. </param>
public void Convert(MediaFile inputFile, MediaFile outputFile, ConversionOptions options)
{
var engineParams = new EngineParameters
{
InputFile = inputFile,
OutputFile = outputFile,
ConversionOptions = options,
Task = FFmpegTask.Convert
};
FFmpegEngine(engineParams);
}
public static string GetGIF(EngineParameters engineParameters)
{
if (!(engineParameters is GIFParameters gif))
{
throw new ArgumentException("Paramters must be of type GIfParamters");
}
return(string.Concat($"-i {engineParameters.InputFile.Filename}",
gif.GifOptions.Serialize(),
" ",
gif.OutputFile.Filename));
}
/// -------------------------------------------------------------------------------------------------
/// <summary> Retrieve a thumbnail image from a video file. </summary>
/// <param name="inputFile"> Video file. </param>
/// <param name="outputFile"> Image file. </param>
/// <param name="options"> Conversion options. </param>
public void GetThumbnail(MediaFile inputFile, MediaFile outputFile, ConversionOptions options)
{
EngineParameters engineParams = new EngineParameters
{
InputFile = inputFile,
OutputFile = outputFile,
ConversionOptions = options,
Task = FFmpegTask.GetThumbnail
};
this.FFmpegEngine(engineParams);
}
public byte[] GetThumbnail(MediaFile inputFile, ConversionOptions options)
{
EngineParameters engineParams = new EngineParameters
{
InputFile = inputFile,
ConversionOptions = options,
Task = FFmpegTask.GetThumbnailStream,
ReturningStandardOutput = true
};
this.FFmpegEngine(engineParams);
return(this.thumbnailByteArray);
}
private void HandleConversionResult(EngineParameters engineParameters, DataReceivedEventArgs received, TimeSpan totalMediaDuration)
{
if (engineParameters.Task != FFmpegTask.Convert)
{
return;
}
if (RegexEngine.IsConvertCompleteData(received.Data, out ConversionCompleteEventArgs convertCompleteEvent))
{
convertCompleteEvent.TotalDuration = totalMediaDuration;
this.OnConversionComplete(convertCompleteEvent);
}
}
public void CustomCommand(string ffmpegCommand)
{
if (ffmpegCommand.IsNullOrWhiteSpace())
{
throw new ArgumentNullException(nameof(ffmpegCommand));
}
var engineParameters = new EngineParameters {
CustomArguments = ffmpegCommand
};
this.StartFFmpegProcess(engineParameters);
}
internal static string Serialize(EngineParameters engineParameters)
{
switch (engineParameters.Task)
{
case FFmpegTask.Convert:
return Convert(engineParameters.InputFile, engineParameters.OutputFile, engineParameters.ConversionOptions);
case FFmpegTask.GetMetaData:
return GetMetadata(engineParameters.InputFile);
case FFmpegTask.GetThumbnail:
return GetThumbnail(engineParameters.InputFile, engineParameters.OutputFile, engineParameters.ConversionOptions);
}
return null;
}
internal static string Serialize(EngineParameters engineParameters)
{
switch (engineParameters.Task)
{
case FFmpegTask.Convert:
return(Convert(engineParameters.InputFile, engineParameters.OutputFile, engineParameters.ConversionOptions));
case FFmpegTask.GetMetaData:
return(GetMetadata(engineParameters.InputFile));
case FFmpegTask.GetThumbnail:
return(GetThumbnail(engineParameters.InputFile, engineParameters.OutputFile, engineParameters.ConversionOptions));
}
return(null);
}
internal static string Serialize(EngineParameters engineParameters)
{
switch (engineParameters.Task)
{
case FFmpegTask.Convert:
return Convert(engineParameters.InputFile, engineParameters.OutputFile, engineParameters.ConversionOptions);
case FFmpegTask.GetMetaData:
return GetMetadata(engineParameters.InputFile);
case FFmpegTask.GetThumbnail:
return GetThumbnail(engineParameters.InputFile, engineParameters.OutputFile, engineParameters.ConversionOptions);
default:
throw new ArgumentOutOfRangeException();
}
}
private void FFmpegEngine(EngineParameters engineParameters)
{
if (!engineParameters.InputFile.Filename.StartsWith("http://") && !File.Exists(engineParameters.InputFile.Filename))
{
throw new FileNotFoundException(Strings.Exception_Media_Input_File_Not_Found, engineParameters.InputFile.Filename);
}
try
{
this.Mutex.WaitOne();
this.StartFFmpegProcess(engineParameters);
}
finally
{
this.Mutex.ReleaseMutex();
}
}
internal static string Serialize(EngineParameters engineParameters)
{
switch (engineParameters.Task)
{
case FFmpegTask.Convert:
return(Convert(engineParameters.InputFile, engineParameters.OutputFile, engineParameters.ConversionOptions));
case FFmpegTask.GetMetaData:
return(GetMetadata(engineParameters.InputFile));
case FFmpegTask.GetThumbnail:
return(GetThumbnail(engineParameters.InputFile, engineParameters.OutputFile, engineParameters.ConversionOptions));
default:
throw new ArgumentOutOfRangeException();
}
}
public static string GetHLS(EngineParameters engineParameters)
{
var o = engineParameters.HLSOptions;
return(string.Concat(
"-hide_banner -y ",
$"-i {engineParameters.InputFile.Filename}",
o.DefaultParams,
o.SerializeSpeed(),
o.SerializeAudio(),
o.SerializeVideo(),
o.SerializeScale(),
o.SerializeBitrate(),
o.SerializeCRF(),
o.SerializeKeyframes(),
o.SerializeHLSConfig()));
}
private static void SetMetadata(EngineParameters engineParameters, DataReceivedEventArgs received, TimeSpan totalMediaDuration)
{
if (engineParameters.InputFile != null)
{
RegexEngine.TestVideo(received.Data, engineParameters);
RegexEngine.TestAudio(received.Data, engineParameters);
Match matchDuration = RegexEngine.Index[RegexEngine.Find.Duration].Match(received.Data);
if (matchDuration.Success)
{
if (engineParameters.InputFile.Metadata == null)
{
engineParameters.InputFile.Metadata = new Metadata();
}
TimeSpan.TryParse(matchDuration.Groups[1].Value, out totalMediaDuration);
engineParameters.InputFile.Metadata.Duration = totalMediaDuration;
}
}
}
/// <summary> Starts FFmpeg process. </summary>
/// <exception cref="InvalidOperationException">
/// Thrown when the requested operation is
/// invalid.
/// </exception>
/// <exception cref="Exception">
/// Thrown when an exception error condition
/// occurs.
/// </exception>
/// <param name="engineParameters"> The engine parameters. </param>
private void StartFFmpegProcess(EngineParameters engineParameters)
{
var receivedMessagesLog = new List <string>();
var processStartInfo = engineParameters.HasCustomArguments
? this.GenerateStartInfo(engineParameters.CustomArguments)
: this.GenerateStartInfo(engineParameters);
using (this.FFmpegProcess = Process.Start(processStartInfo))
{
Exception caughtException = null;
if (this.FFmpegProcess == null)
{
throw new InvalidOperationException(Strings.Exceptions_FFmpeg_Process_Not_Running);
}
//FFMPEG outputs to "sterr" to keep "stdout" for redirecting to other apps
this.FFmpegProcess.ErrorDataReceived += (sender, received) =>
HandleOutput(engineParameters,
received,
receivedMessagesLog,
ref caughtException);
this.FFmpegProcess.BeginErrorReadLine();
this.FFmpegProcess.WaitForExit();
if ((this.FFmpegProcess.ExitCode != 0) || caughtException != null)
{
// If we are checking the file, do not throw
if (engineParameters.Task == FFmpegTask.Check)
{
HandleCheckResult(engineParameters.InputFile, receivedMessagesLog);
}
else
{
throw new Exception(
this.FFmpegProcess.ExitCode + ": " + receivedMessagesLog[1] + receivedMessagesLog[0],
caughtException);
}
}
}
}
/// -------------------------------------------------------------------------------------------------
/// <summary> Starts FFmpeg process. </summary>
/// <exception cref="InvalidOperationException">
/// Thrown when the requested operation is
/// invalid.
/// </exception>
/// <exception cref="Exception">
/// Thrown when an exception error condition
/// occurs.
/// </exception>
/// <param name="engineParameters"> The engine parameters. </param>
private void StartFFmpegProcess(EngineParameters engineParameters)
{
List<string> receivedMessagesLog = new List<string>();
TimeSpan totalMediaDuration = new TimeSpan();
ProcessStartInfo processStartInfo = engineParameters.HasCustomArguments
? this.GenerateStartInfo(engineParameters.CustomArguments)
: this.GenerateStartInfo(engineParameters);
using (this.FFmpegProcess = Process.Start(processStartInfo))
{
Exception caughtException = null;
if (this.FFmpegProcess == null)
{
throw new InvalidOperationException(Resources.Exceptions_FFmpeg_Process_Not_Running);
}
this.FFmpegProcess.ErrorDataReceived += (sender, received) =>
{
if (received.Data == null) return;
#if (DebugToConsole)
Console.WriteLine(received.Data);
#endif
try
{
receivedMessagesLog.Insert(0, received.Data);
if (engineParameters.InputFile != null)
{
RegexEngine.TestVideo(received.Data, engineParameters);
RegexEngine.TestAudio(received.Data, engineParameters);
Match matchDuration = RegexEngine.Index[RegexEngine.Find.Duration].Match(received.Data);
if (matchDuration.Success)
{
if (engineParameters.InputFile.Metadata == null)
{
engineParameters.InputFile.Metadata = new Metadata();
}
TimeSpan.TryParse(matchDuration.Groups[1].Value, out totalMediaDuration);
engineParameters.InputFile.Metadata.Duration = totalMediaDuration;
}
}
ConversionCompleteEventArgs convertCompleteEvent;
ConvertProgressEventArgs progressEvent;
if (RegexEngine.IsProgressData(received.Data, out progressEvent))
{
progressEvent.TotalDuration = totalMediaDuration;
this.OnProgressChanged(progressEvent);
}
else if (RegexEngine.IsConvertCompleteData(received.Data, out convertCompleteEvent))
{
convertCompleteEvent.TotalDuration = totalMediaDuration;
this.OnConversionComplete(convertCompleteEvent);
}
}
catch (Exception ex)
{
// catch the exception and kill the process since we're in a faulted state
caughtException = ex;
try
{
this.FFmpegProcess.Kill();
}
catch (InvalidOperationException)
{
// swallow exceptions that are thrown when killing the process,
// one possible candidate is the application ending naturally before we get a chance to kill it
}
}
};
this.FFmpegProcess.BeginErrorReadLine();
this.FFmpegProcess.WaitForExit();
if ((this.FFmpegProcess.ExitCode != 0 && this.FFmpegProcess.ExitCode != 1) || caughtException != null)
{
throw new Exception(
this.FFmpegProcess.ExitCode + ": " + receivedMessagesLog[1] + receivedMessagesLog[0],
caughtException);
}
}
}
/// -------------------------------------------------------------------------------------------------
/// <summary> Starts FFmpeg process. </summary>
/// <exception cref="InvalidOperationException">
/// Thrown when the requested operation is
/// invalid.
/// </exception>
/// <exception cref="Exception">
/// Thrown when an exception error condition
/// occurs.
/// </exception>
/// <param name="engineParameters"> The engine parameters. </param>
private void StartFFmpegProcess(EngineParameters engineParameters)
{
var receivedMessagesLog = new List <string>();
var totalMediaDuration = new TimeSpan();
var processStartInfo = engineParameters.HasCustomArguments
? GenerateStartInfo(engineParameters.CustomArguments)
: GenerateStartInfo(engineParameters);
using (FFmpegProcess = Process.Start(processStartInfo))
{
Exception caughtException = null;
if (FFmpegProcess == null)
{
throw new InvalidOperationException(Resources.Exceptions_FFmpeg_Process_Not_Running);
}
FFmpegProcess.ErrorDataReceived += (sender, received) =>
{
if (received.Data == null)
{
return;
}
#if (DebugToConsole)
Console.WriteLine(received.Data);
#endif
try
{
receivedMessagesLog.Insert(0, received.Data);
if (engineParameters.InputFile != null)
{
RegexEngine.TestVideo(received.Data, engineParameters);
RegexEngine.TestAudio(received.Data, engineParameters);
var matchDuration = RegexEngine.Index[RegexEngine.Find.Duration].Match(received.Data);
if (matchDuration.Success)
{
if (engineParameters.InputFile.Metadata == null)
{
engineParameters.InputFile.Metadata = new Metadata();
}
TimeSpan.TryParse(matchDuration.Groups[1].Value, out totalMediaDuration);
engineParameters.InputFile.Metadata.Duration = totalMediaDuration;
}
}
if (RegexEngine.IsProgressData(received.Data, out ConvertProgressEventArgs progressEvent))
{
progressEvent.TotalDuration = totalMediaDuration;
OnProgressChanged(progressEvent);
}
else if (RegexEngine.IsConvertCompleteData(received.Data, out ConversionCompleteEventArgs convertCompleteEvent))
{
convertCompleteEvent.TotalDuration = totalMediaDuration;
OnConversionComplete(convertCompleteEvent);
}
}
catch (Exception ex)
{
// catch the exception and kill the process since we're in a faulted state
caughtException = ex;
try
{
FFmpegProcess.Kill();
}
catch (InvalidOperationException)
{
// swallow exceptions that are thrown when killing the process,
// one possible candidate is the application ending naturally before we get a chance to kill it
}
}
};
FFmpegProcess.BeginErrorReadLine();
FFmpegProcess.WaitForExit();
if (FFmpegProcess.ExitCode != 0 && FFmpegProcess.ExitCode != 1 || caughtException != null)
{
throw new Exception(
FFmpegProcess.ExitCode + ": " + receivedMessagesLog[1] + receivedMessagesLog[0],
caughtException);
}
}
}
private ProcessStartInfo GenerateStartInfo(EngineParameters engineParameters)
{
string ffmpegCommand = CommandBuilder.Serialize(engineParameters);
return new ProcessStartInfo
{
Arguments = "-nostdin -y -loglevel info " + ffmpegCommand,
FileName = FFmpegFilePath,
CreateNoWindow = true,
RedirectStandardInput = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
UseShellExecute = false,
WindowStyle = ProcessWindowStyle.Hidden,
WorkingDirectory = Path.GetTempPath()
};
}
private ProcessStartInfo GenerateStartInfo(EngineParameters engineParameters)
{
var arguments = CommandBuilder.Serialize(engineParameters);
return(this.GenerateStartInfo(arguments));
}
/// <summary>
/// <para> ---</para>
/// <para> Converts media with conversion options</para>
/// </summary>
/// <param name="inputFile">Input file</param>
/// <param name="outputFile">Output file</param>
/// <param name="options">Conversion options</param>
public void Convert(MediaFile inputFile, MediaFile outputFile, ConversionOptions options)
{
var engineParams = new EngineParameters
{
InputFile = inputFile,
OutputFile = outputFile,
ConversionOptions = options,
Task = FFmpegTask.Convert
};
FFmpegEngine(engineParams);
}
public void GenerateGIF(EngineParameters paramters)
{
paramters.Task = FFmpegTask.GIF;
this.FFmpegEngine(paramters);
}
private void FFmpegEngine(EngineParameters engineParameters)
{
if (!engineParameters.InputFile.Filename.StartsWith("http://") && !File.Exists(engineParameters.InputFile.Filename))
{
throw new FileNotFoundException(Resources.Exception_Media_Input_File_Not_Found, engineParameters.InputFile.Filename);
}
try
{
this.Mutex.WaitOne();
this.StartFFmpegProcess(engineParameters);
}
finally
{
this.Mutex.ReleaseMutex();
}
}
/// -------------------------------------------------------------------------------------------------
/// <summary>
/// <para> Retrieve media metadata</para>
/// </summary>
/// <param name="inputFile"> Retrieves the metadata for the input file. </param>
public void GetMetadata(MediaFile inputFile)
{
EngineParameters engineParams = new EngineParameters
{
InputFile = inputFile,
Task = FFmpegTask.GetMetaData
};
this.FFmpegEngine(engineParams);
}
/// -------------------------------------------------------------------------------------------------
/// <summary> Starts FFmpeg process. </summary>
/// <exception cref="InvalidOperationException">
/// Thrown when the requested operation is
/// invalid.
/// </exception>
/// <exception cref="Exception">
/// Thrown when an exception error condition
/// occurs.
/// </exception>
/// <param name="engineParameters"> The engine parameters. </param>
private void StartFFmpegProcess(EngineParameters engineParameters)
{
List <string> receivedMessagesLog = new List <string>();
TimeSpan totalMediaDuration = new TimeSpan();
ProcessStartInfo processStartInfo = engineParameters.HasCustomArguments
? this.GenerateStartInfo(engineParameters.CustomArguments)
: this.GenerateStartInfo(engineParameters);
using (this.FFmpegProcess = Process.Start(processStartInfo))
{
Exception caughtException = null;
if (this.FFmpegProcess == null)
{
throw new InvalidOperationException(Resources.Exceptions_FFmpeg_Process_Not_Running);
}
this.FFmpegProcess.ErrorDataReceived += (sender, received) =>
{
if (received.Data == null)
{
return;
}
#if (DebugToConsole)
Console.WriteLine(received.Data);
#endif
try
{
receivedMessagesLog.Insert(0, received.Data);
if (engineParameters.InputFile != null)
{
RegexEngine.TestVideo(received.Data, engineParameters);
RegexEngine.TestAudio(received.Data, engineParameters);
Match matchDuration = RegexEngine.Index[RegexEngine.Find.Duration].Match(received.Data);
if (matchDuration.Success)
{
if (engineParameters.InputFile.Metadata == null)
{
engineParameters.InputFile.Metadata = new Metadata();
}
TimeSpan.TryParse(matchDuration.Groups[1].Value, out totalMediaDuration);
engineParameters.InputFile.Metadata.Duration = totalMediaDuration;
}
}
ConversionCompleteEventArgs convertCompleteEvent;
ConvertProgressEventArgs progressEvent;
if (RegexEngine.IsProgressData(received.Data, out progressEvent))
{
progressEvent.TotalDuration = totalMediaDuration;
this.OnProgressChanged(progressEvent);
}
else if (RegexEngine.IsConvertCompleteData(received.Data, out convertCompleteEvent))
{
convertCompleteEvent.TotalDuration = totalMediaDuration;
this.OnConversionComplete(convertCompleteEvent);
}
}
catch (Exception ex)
{
// catch the exception and kill the process since we're in a faulted state
caughtException = ex;
try
{
this.FFmpegProcess.Kill();
}
catch (InvalidOperationException)
{
// swallow exceptions that are thrown when killing the process,
// one possible candidate is the application ending naturally before we get a chance to kill it
}
}
};
if (engineParameters.ReturningStandardOutput)
{
FileStream baseStream = this.FFmpegProcess.StandardOutput.BaseStream as FileStream;
this.thumbnailByteArray = null;
using (MemoryStream ms = new MemoryStream())
{
baseStream.CopyTo(ms);
this.thumbnailByteArray = ms.ToArray();
}
}
this.FFmpegProcess.BeginErrorReadLine();
this.FFmpegProcess.WaitForExit();
if ((this.FFmpegProcess.ExitCode != 0 && this.FFmpegProcess.ExitCode != 1) || caughtException != null)
{
throw new Exception(
this.FFmpegProcess.ExitCode + ": " + receivedMessagesLog[1] + receivedMessagesLog[0],
caughtException);
}
}
}
private ProcessStartInfo GenerateStartInfo(EngineParameters engineParameters)
{
string arguments = CommandBuilder.Serialize(engineParameters);
return this.GenerateStartInfo(arguments);
}
/// <summary>
/// Where the magic happens
/// </summary>
/// <param name="engineParameters">The engine parameters</param>
private void FFmpegEngine(EngineParameters engineParameters)
{
if (!File.Exists(engineParameters.InputFile.Filename))
throw new FileNotFoundException("Input file not found", engineParameters.InputFile.Filename);
// Locking the process to ensure FFmpeg is used by one thread at a time.
lock (Lock)
{
//Initialize();
var receivedMessagesLog = new List<string>();
var totalMediaDuration = new TimeSpan();
ProcessStartInfo processStartInfo = GenerateStartInfo(engineParameters);
using (_ffmpegProcess = Process.Start(processStartInfo))
{
if (_ffmpegProcess == null) throw new InvalidOperationException("FFmpeg process is not running.");
_ffmpegProcess.ErrorDataReceived += delegate(object sender, DataReceivedEventArgs received)
{
if (received.Data == null) return;
#if (DebugToConsole)
Console.WriteLine(received.Data);
#endif
receivedMessagesLog.Insert(0, received.Data);
RegexEngine.TestVideo(received.Data, engineParameters);
RegexEngine.TestAudio(received.Data, engineParameters);
Match matchDuration = RegexEngine.Index[RegexEngine.Find.Duration].Match(received.Data);
if (matchDuration.Success)
{
if (engineParameters.InputFile.Metadata == null)
engineParameters.InputFile.Metadata = new Metadata();
TimeSpan.TryParse(matchDuration.Groups[1].Value, out totalMediaDuration);
engineParameters.InputFile.Metadata.Duration = totalMediaDuration;
}
ConversionCompleteEventArgs convertCompleteEvent;
ConvertProgressEventArgs progressEvent;
if (RegexEngine.IsProgressData(received.Data, out progressEvent))
{
progressEvent.TotalDuration = totalMediaDuration;
OnProgressChanged(progressEvent);
}
else if (RegexEngine.IsConvertCompleteData(received.Data, out convertCompleteEvent))
{
convertCompleteEvent.TotalDuration = totalMediaDuration;
OnConversionComplete(convertCompleteEvent);
}
};
_ffmpegProcess.BeginErrorReadLine();
_ffmpegProcess.WaitForExit();
if (_ffmpegProcess.ExitCode != 0 && _ffmpegProcess.ExitCode != 1)
throw new Exception(_ffmpegProcess.ExitCode + ": " + receivedMessagesLog[1] +
receivedMessagesLog[0]);
}
}
}
private static string GetStoryboard(EngineParameters engineParameters)
{
var result = $"-hide_banner -y -i {engineParameters.InputFile.Filename} {engineParameters.StoryBoardOptions.Serialize()}";
return(result);
}
public static string GetHealthCheck(EngineParameters engineParameters)
{
return($"-hide_banner -y -i {engineParameters.InputFile.Filename} -v error -f null 2>&1");
}
public void GenerateHLS(EngineParameters parameters)
{
parameters.Task = FFmpegTask.GenerateHLS;
this.FFmpegEngine(parameters);
}
/// -------------------------------------------------------------------------------------------------
/// <summary> Retrieve a thumbnail image from a video file. </summary>
/// <param name="inputFile"> Video file. </param>
/// <param name="outputFile"> Image file. </param>
/// <param name="options"> Conversion options. </param>
public void GetThumbnail(MediaFile inputFile, MediaFile outputFile, ConversionOptions options)
{
EngineParameters engineParams = new EngineParameters
{
InputFile = inputFile,
OutputFile = outputFile,
ConversionOptions = options,
Task = FFmpegTask.GetThumbnail
};
this.FFmpegEngine(engineParams);
}
