/// <summary>
/// Returns the version information from FFmpeg.
/// </summary>
/// <param name="options">The options for starting the process.</param>
/// <param name="callback">A method that will be called after the process has been started.</param>
/// <returns>A IFFmpegProcess object containing the version information.</returns>
public string GetVersion(ProcessOptionsEncoder options = null, ProcessStartedEventHandler callback = null)
{
IProcessWorkerEncoder Worker = factory.CreateEncoder(options, callback);
Worker.OutputType = ProcessOutput.Output;
Worker.RunEncoder("-version", EncoderApp.FFmpeg);
return(Worker.Output);
}
/// <summary>
/// Creates a new process worker to run an encoder with specified options.
/// </summary>
/// <param name="options">The options for starting the process.</param>
/// <param name="callback">A method that will be called after the process has been started.</param>
/// <returns>The newly created encoder process manager.</returns>
public virtual IProcessWorkerEncoder CreateEncoder(ProcessOptionsEncoder options = null, ProcessStartedEventHandler callback = null)
{
var Result = new ProcessWorkerEncoder(Config, ProcessFactory, FileSystemService, ParserFactory, options);
if (callback != null)
{
Result.ProcessStarted += callback;
}
return(Result);
}
/// <summary>
/// Parses the output of X264 or X265 to return the info of all input streams.
/// </summary>
/// <param name="outputText">The text containing the file information to parse.</param>
public void ParseFileInfo(string outputText, ProcessOptionsEncoder options)
{
IsParsed = true;
if (options?.FrameCount > 0)
{
FrameCount = options.FrameCount;
}
else
{
FrameCount = ParseFrameCount(outputText);
}
}
/// <summary>
/// Returns the exact frame count of specified video file.
/// </summary>
/// <param name="source">The file to get information about.</param>
/// <param name="options">The options for starting the process.</param>
/// <param name="callback">A method that will be called after the process has been started.</param>
/// <returns>The number of frames in the video.</returns>
public long GetFrameCount(string source, ProcessOptionsEncoder options = null, ProcessStartedEventHandler callback = null)
{
if (string.IsNullOrEmpty(source))
{
throw new ArgumentException("Source cannot be null or empty.", nameof(source));
}
long Result = 0;
IProcessWorkerEncoder Worker = factory.CreateEncoder(options, callback);
Worker.ProgressReceived += (sender, e) => {
// Read all status lines and keep the last one.
Result = (e.Progress as ProgressStatusFFmpeg).Frame;
};
Worker.RunEncoder($@"-i ""{source}"" -f null /dev/null", EncoderApp.FFmpeg);
return(Result);
}
/// <summary>
/// Runs vspipe with specified source file. The output will be discarded.
/// </summary>
/// <param name="path">The path to the script to run.</param>
/// <param name="options">The options for starting the process.</param>
/// <param name="callback">A method that will be called after the process has been started.</param>
/// <returns>The process completion status.</returns>
public CompletionStatus RunVapourSynth(string path, ProcessOptionsEncoder options = null, ProcessStartedEventHandler callback = null)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentException("Path cannot be null or empty.", nameof(path));
}
if (!fileSystem.Exists(factory.Config.VsPipePath))
{
throw new System.IO.FileNotFoundException($@"File ""{factory.Config.VsPipePath}"" specified by Config.VsPipePath is not found.");
}
string Args = $@"""{path}"" .";
IProcessWorker Manager = factory.Create(options, callback);
CompletionStatus Result = Manager.Run(factory.Config.VsPipePath, Args);
return(Result);
}
/// <summary>
/// Gets file streams information of specified file via FFmpeg.
/// </summary>
/// <param name="source">The file to get information about.</param>
/// <param name="options">The options for starting the process.</param>
/// <param name="callback">A method that will be called after the process has been started.</param>
/// <returns>A IFFmpegProcess object containing the file information.</returns>
public IFileInfoFFmpeg GetFileInfo(string source, ProcessOptionsEncoder options = null, ProcessStartedEventHandler callback = null)
{
if (string.IsNullOrEmpty(source))
{
throw new ArgumentException("Source cannot be null or empty.", nameof(source));
}
IProcessWorkerEncoder Worker = factory.CreateEncoder(options, callback);
Worker.ProcessCompleted += (s, e) => {
if (e.Status == CompletionStatus.Failed && (Worker.FileInfo as IFileInfoFFmpeg)?.FileStreams != null)
{
e.Status = CompletionStatus.Success;
}
};
Worker.RunEncoder($@"-i ""{source}""", EncoderApp.FFmpeg);
return(Worker.FileInfo as IFileInfoFFmpeg);
}
/// <summary>
/// Runs avs2pipemod with specified source file. The output will be discarded.
/// </summary>
/// <param name="path">The path to the script to run.</param>
/// <param name="options">The options for starting the process.</param>
/// <param name="callback">A method that will be called after the process has been started.</param>
/// <returns>The process completion status.</returns>
public CompletionStatus RunAvisynth(string path, ProcessOptionsEncoder options = null, ProcessStartedEventHandler callback = null)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentException("Path cannot be null or empty.", nameof(path));
}
if (!fileSystem.Exists(factory.Config.Avs2PipeMod))
{
throw new System.IO.FileNotFoundException($@"File ""{factory.Config.Avs2PipeMod}"" specified by Config.Avs2PipeModPath is not found.");
}
string Args = $@"""{path}"" -rawvideo > NUL";
IProcessWorker Manager = factory.Create(options, callback);
Manager.OutputType = ProcessOutput.Error;
string Cmd = $@"""{factory.Config.Avs2PipeMod}"" {Args}";
CompletionStatus Result = Manager.RunAsCommand(Cmd);
return(Result);
}
/// <summary>
/// Returns stream information as FFmpegStream about specified media file that can be used to call a muxing operation.
/// </summary>
/// <param name="path">The path of the media file to query.</param>
/// <param name="streamType">The type of media stream to query.</param>
/// <param name="options">The options for starting the process.</param>
/// <returns>A FFmpegStream object.</returns>
private MediaStream GetStreamInfo(string path, FFmpegStreamType streamType, ProcessOptionsEncoder options)
{
IFileInfoFFmpeg FileInfo = infoReader.GetFileInfo(path, options);
MediaStreamInfo StreamInfo = FileInfo.FileStreams?.FirstOrDefault(x => x.StreamType == streamType);
if (StreamInfo != null)
{
return(new MediaStream()
{
Path = path,
Index = StreamInfo.Index,
Format = StreamInfo.Format,
Type = streamType
});
}
else
{
return(null);
}
}
/// <summary>
/// Converts specified file into AVI UT Video format.
/// </summary>
/// <param name="source">The file to convert.</param>
/// <param name="destination">The destination file, ending with .AVI</param>
/// <param name="audio">Whether to encode audio.</param>
/// <param name="options">The options for starting the process.</param>
/// <param name="callback">A method that will be called after the process has been started.</param>
/// <returns>The process completion status.</returns>
public CompletionStatus ConvertToAviUtVideo(string source, string destination, bool audio, ProcessOptionsEncoder options = null, ProcessStartedEventHandler callback = null)
{
// -vcodec huffyuv or utvideo, -acodec pcm_s16le
return(EncodeFFmpeg(source, destination, "utvideo", audio ? "pcm_s16le" : null, null, options, callback));
}
/// <summary>
/// Merges specified audio and video files.
/// </summary>
/// <param name="videoFile">The file containing the video.</param>
/// <param name="audioFile">The file containing the audio.</param>
/// <param name="destination">The destination file.</param>
/// <param name="options">The options for starting the process.</param>
/// <param name="callback">A method that will be called after the process has been started.</param>
/// <returns>The process completion status.</returns>
public CompletionStatus Muxe(string videoFile, string audioFile, string destination, ProcessOptionsEncoder options = null, ProcessStartedEventHandler callback = null)
{
if (string.IsNullOrEmpty(videoFile) && string.IsNullOrEmpty(audioFile))
{
throw new ArgumentException("You must specifiy either videoFile or audioFile.", nameof(videoFile));
}
if (string.IsNullOrEmpty(destination))
{
throw new ArgumentException("Destination cannot be null or empty.", nameof(destination));
}
List <MediaStream> InputStreamList = new List <MediaStream>();
MediaStream InputStream;
if (!string.IsNullOrEmpty(videoFile))
{
InputStream = GetStreamInfo(videoFile, FFmpegStreamType.Video, options);
if (InputStream != null)
{
InputStreamList.Add(InputStream);
}
}
if (!string.IsNullOrEmpty(audioFile))
{
InputStream = GetStreamInfo(audioFile, FFmpegStreamType.Audio, options);
if (InputStream != null)
{
InputStreamList.Add(InputStream);
}
}
if (InputStreamList.Any())
{
return(Muxe(InputStreamList, destination, options, callback));
}
else
{
return(CompletionStatus.Failed);
}
}
/// <summary>
/// Merges the specified list of file streams.
/// </summary>
/// <param name="fileStreams">The list of file streams to include in the output.</param>
/// <param name="destination">The destination file.</param>
/// <param name="options">The options for starting the process.</param>
/// <param name="callback">A method that will be called after the process has been started.</param>
/// <returns>The process completion status.</returns>
public CompletionStatus Muxe(IEnumerable <MediaStream> fileStreams, string destination, ProcessOptionsEncoder options = null, ProcessStartedEventHandler callback = null)
{
if (fileStreams == null || !fileStreams.Any())
{
throw new ArgumentException("FileStreams cannot be null or empty.", nameof(fileStreams));
}
if (string.IsNullOrEmpty(destination))
{
throw new ArgumentException("Destination cannot be null or empty.", nameof(destination));
}
CompletionStatus Result = CompletionStatus.Success;
List <string> TempFiles = new List <string>();
fileSystem.Delete(destination);
// FFMPEG fails to muxe H264 into MKV container. Converting to MP4 and then muxing with the audio, however, works.
foreach (MediaStream item in fileStreams)
{
if (string.IsNullOrEmpty(item.Path) && item.Type != FFmpegStreamType.None)
{
throw new ArgumentException("FFmpegStream.Path cannot be null or empty.", nameof(item.Path));
}
if (item.Type == FFmpegStreamType.Video && (item.Format == "h264" || item.Format == "h265") && destination.EndsWith(".mkv"))
{
string NewFile = item.Path.Substring(0, item.Path.LastIndexOf('.')) + ".mp4";
Result = Muxe(new List <MediaStream>()
{
item
}, NewFile, options);
TempFiles.Add(NewFile);
if (Result != CompletionStatus.Success)
{
break;
}
}
}
if (Result == CompletionStatus.Success)
{
// Join audio and video files.
StringBuilder Query = new StringBuilder();
StringBuilder Map = new StringBuilder();
Query.Append("-y ");
int StreamIndex = 0;
bool HasVideo = false, HasAudio = false, HasPcmDvdAudio = false;
StringBuilder AacFix = new StringBuilder();
var FileStreamsOrdered = fileStreams.OrderBy(f => f.Type);
foreach (MediaStream item in FileStreamsOrdered)
{
if (item.Type == FFmpegStreamType.Video)
{
HasVideo = true;
}
if (item.Type == FFmpegStreamType.Audio)
{
HasAudio = true;
if (item.Format == "aac")
{
AacFix.AppendFormat("-bsf:{0} aac_adtstoasc ", StreamIndex);
}
if (item.Format == "pcm_dvd")
{
HasPcmDvdAudio = true;
}
}
Query.Append("-i \"");
Query.Append(item.Path);
Query.Append("\" ");
Map.Append("-map ");
Map.Append(StreamIndex++);
Map.Append(":");
Map.Append(item.Index);
Map.Append(" ");
}
if (!HasVideo && !HasAudio)
{
throw new ArgumentException("FileStreams cannot be empty.", nameof(fileStreams));
}
if (HasVideo)
{
Query.Append("-vcodec copy ");
}
if (HasAudio)
{
Query.Append(HasPcmDvdAudio ? "-acodec pcm_s16le " : "-acodec copy ");
}
Query.Append(Map);
// FFMPEG-encoded AAC streams are invalid and require an extra flag to join.
if (AacFix.Length > 0 && HasVideo)
{
Query.Append(AacFix);
}
Query.Append("\"");
Query.Append(destination);
Query.Append("\"");
IProcessWorkerEncoder Worker = factory.CreateEncoder(options, callback);
Result = Worker.RunEncoder(Query.ToString(), EncoderApp.FFmpeg);
}
// Delete temp file.
foreach (string item in TempFiles)
{
fileSystem.Delete(item);
}
return(Result);
}
/// <summary>
/// Parses the output of FFmpeg to return the info of all input streams.
/// </summary>
/// <param name="outputText">The text containing the file information to parse.</param>
public void ParseFileInfo(string outputText, ProcessOptionsEncoder options)
{
IsParsed = true;
FileDuration = new TimeSpan();
FileStreams = new List <MediaStreamInfo>();
if (string.IsNullOrEmpty(outputText))
{
return;
}
string[] OutLines = outputText.Split(new string[] { Environment.NewLine }, StringSplitOptions.None);
// Find duration line.
int DurationIndex = -1;
for (int i = 0; i < OutLines.Length; i++)
{
if (OutLines[i].StartsWith(" Duration: "))
{
DurationIndex = i;
// Parse duration line.
string[] DurationInfo = OutLines[i].Trim().Split(new string[] { ", " }, StringSplitOptions.None);
string DurationString = DurationInfo[0].Split(' ')[1];
if (DurationString == "N/A")
{
FileDuration = new TimeSpan(0);
}
else
{
try {
FileDuration = TimeSpan.Parse(DurationString, CultureInfo.InvariantCulture);
} catch { }
}
break;
}
}
// Find input streams.
MediaStreamInfo ItemInfo;
for (int i = DurationIndex + 1; i < OutLines.Length; i++)
{
if (OutLines[i].StartsWith(" Stream #0:"))
{
// Parse input stream.
ItemInfo = ParseStreamInfo(OutLines[i]);
if (ItemInfo != null)
{
FileStreams.Add(ItemInfo);
}
}
else if (OutLines[i].StartsWith("Output "))
{
break;
}
}
// Calculate FrameCount.
if (options?.FrameCount > 0)
{
FrameCount = options.FrameCount;
}
else if (VideoStream != null)
{
FrameCount = (long)(FileDuration.TotalSeconds * VideoStream.FrameRate);
}
}
private CompletionStatus EncodeX264Internal(SourceType sourceType, EncoderApp encoderApp, string source, string destination, string encodeArgs, ProcessOptionsEncoder options, ProcessStartedEventHandler callback)
{
if (string.IsNullOrEmpty(source))
{
throw new ArgumentException("Source cannot be null or empty.", nameof(source));
}
if (string.IsNullOrEmpty(destination))
{
throw new ArgumentException("Destination cannot be null or empty.", nameof(destination));
}
File.Delete(destination);
StringBuilder Query = new StringBuilder();
if (sourceType != SourceType.Direct)
{
Query.AppendFormat("--{0}y4m ", encoderApp == EncoderApp.x264 ? "demuxer " : "");
}
if (!string.IsNullOrEmpty(encodeArgs))
{
Query.Append($"{encodeArgs} ");
}
Query.Append($@"-o ""{destination}"" ");
if (sourceType == SourceType.Direct)
{
Query.Append($@"""{source}""");
}
else
{
Query.Append("-");
}
// Run X264 or X265 with query.
IProcessWorkerEncoder Worker = factory.CreateEncoder(options, callback);
CompletionStatus Result = RunEncoderInternal(source, Query.ToString(), Worker, sourceType, encoderApp);
return(Result);
}
public ProcessWorkerEncoder(IMediaConfig config, IProcessFactory processFactory, IFileSystemService fileSystemService, IFileInfoParserFactory parserFactory, ProcessOptionsEncoder options = null)
: base(config, processFactory, fileSystemService, options ?? new ProcessOptionsEncoder())
{
this.parserFactory = parserFactory ?? throw new ArgumentNullException(nameof(parserFactory));
OutputType = ProcessOutput.Error;
}
/// <summary>
/// Encodes a VapourSynth script file using X265 with specified arguments.
/// </summary>
/// <param name="source">The file to convert.</param>
/// <param name="destination">The destination file.</param>
/// <param name="encodeArgs">Additional arguments to pass to X265.</param>
/// <param name="options">The options for starting the process.</param>
/// <param name="callback">A method that will be called after the process has been started.</param>
/// <returns>The process completion status.</returns>
public CompletionStatus EncodeVapourSynthToX265(string source, string destination, string encodeArgs, ProcessOptionsEncoder options = null, ProcessStartedEventHandler callback = null)
{
return(EncodeX264Internal(SourceType.VapourSynth, EncoderApp.x265, source, destination, encodeArgs, options, callback));
}
private CompletionStatus EncodeFFmpegInternal(SourceType sourceType, string source, string destination, string videoCodec, string audioCodec, string encodeArgs, ProcessOptionsEncoder options, ProcessStartedEventHandler callback)
{
if (string.IsNullOrEmpty(source))
{
throw new ArgumentException("Source cannot be null or empty.", nameof(source));
}
if (string.IsNullOrEmpty(destination))
{
throw new ArgumentException("Destination cannot be null or empty.", nameof(destination));
}
if (string.IsNullOrEmpty(videoCodec) && string.IsNullOrEmpty(audioCodec))
{
throw new ArgumentException("You must specify at least one video or audio codec.");
}
File.Delete(destination);
StringBuilder Query = new StringBuilder();
Query.Append("-y -i ");
if (sourceType == SourceType.Direct)
{
Query.Append("\"");
Query.Append(source);
Query.Append("\"");
}
else
{
Query.Append("-"); // Pipe source
}
// Add video codec.
if (string.IsNullOrEmpty(videoCodec))
{
Query.Append(" -vn");
}
else
{
Query.Append($" -vcodec {videoCodec}");
}
// Add audio codec.
if (string.IsNullOrEmpty(audioCodec))
{
Query.Append(" -an");
}
else
{
Query.Append($" -acodec {audioCodec}");
}
if (!string.IsNullOrEmpty(encodeArgs))
{
Query.Append(" ");
Query.Append(encodeArgs);
}
Query.Append(" \"");
Query.Append(destination);
Query.Append("\"");
// Run FFmpeg with query.
IProcessWorkerEncoder Worker = factory.CreateEncoder(options, callback);
CompletionStatus Result = RunEncoderInternal(source, Query.ToString(), Worker, sourceType, EncoderApp.FFmpeg);
return(Result);
}
/// <summary>
/// Encodes a VapourSynth script file using FFmpeg with specified arguments.
/// </summary>
/// <param name="source">The file to convert.</param>
/// <param name="destination">The destination file.</param>
/// <param name="videoCodec">The codec to use to encode the video stream.</param>
/// <param name="audioCodec">The codec( to use to encode the audio stream.</param>
/// <param name="encodeArgs">Additional arguments to pass to FFmpeg.</param>
/// <param name="options">The options for starting the process.</param>
/// <param name="callback">A method that will be called after the process has been started.</param>
/// <returns>The process completion status.</returns>
public CompletionStatus EncodeVapourSynthToFFmpeg(string source, string destination, string videoCodec, string audioCodec, string encodeArgs, ProcessOptionsEncoder options = null, ProcessStartedEventHandler callback = null)
{
return(EncodeFFmpegInternal(SourceType.VapourSynth, source, destination, videoCodec, audioCodec, encodeArgs, options, callback));
}
/// <summary>
/// Extracts the audio stream from specified file.
/// </summary>
/// <param name="source">The media file to extract from.</param>
/// <param name="destination">The destination file.</param>
/// <param name="options">The options for starting the process.</param>
/// <param name="callback">A method that will be called after the process has been started.</param>
/// <returns>The process completion status.</returns>
public CompletionStatus ExtractAudio(string source, string destination, ProcessOptionsEncoder options = null, ProcessStartedEventHandler callback = null)
{
return(ExtractStream(@"-y -i ""{0}"" -vn -acodec copy ""{1}""", source, destination, options, callback));
}
/// <summary>
/// Truncates a media file from specified start position with specified duration. This can result in data loss or corruption if not splitting exactly on a framekey.
/// </summary>
/// <param name="source">The source file to truncate.</param>
/// <param name="destination">The output file to write.</param>
/// <param name="startPos">The position where to start copying. Anything before this position will be ignored. TimeSpan.Zero or null to start from beginning.</param>
/// <param name="duration">The duration after which to stop copying. Anything after this duration will be ignored. TimeSpan.Zero or null to copy until the end.</param>
/// <param name="options">The options for starting the process.</param>
/// <param name="callback">A method that will be called after the process has been started.</param>
/// <returns>The process completion status.</returns>
public CompletionStatus Truncate(string source, string destination, TimeSpan?startPos, TimeSpan?duration = null, ProcessOptionsEncoder options = null, ProcessStartedEventHandler callback = null)
{
if (string.IsNullOrEmpty(source))
{
throw new ArgumentException("Source cannot be empty.", nameof(source));
}
if (string.IsNullOrEmpty(destination))
{
throw new ArgumentException("Destination cannot be empty.", nameof(destination));
}
fileSystem.Delete(destination);
IProcessWorkerEncoder Worker = factory.CreateEncoder(options, callback);
string Args = string.Format(@"-i ""{0}"" -vcodec copy -acodec copy {1}{2}""{3}""", source,
startPos.HasValue && startPos > TimeSpan.Zero ? $"-ss {startPos:c} " : "",
duration.HasValue && duration > TimeSpan.Zero ? $"-t {duration:c} " : "",
destination);
return(Worker.RunEncoder(Args, EncoderApp.FFmpeg));
}
/// <summary>
/// Concatenates (merges) all specified files.
/// </summary>
/// <param name="files">The files to merge.</param>
/// <param name="destination">The destination file.</param>
/// <param name="options">The options for starting the process.</param>
/// <param name="callback">A method that will be called after the process has been started.</param>
/// <returns>The process completion status.</returns>
public CompletionStatus Concatenate(IEnumerable <string> files, string destination, ProcessOptionsEncoder options = null, ProcessStartedEventHandler callback = null)
{
if (files == null || !files.Any())
{
throw new ArgumentException("Files cannot be null or empty.", nameof(files));
}
if (string.IsNullOrEmpty(destination))
{
throw new ArgumentException("Destination cannot be null or empty.", nameof(destination));
}
CompletionStatus Result = CompletionStatus.None;
// Write temp file.
string TempFile = fileSystem.GetTempFile();
StringBuilder TempContent = new StringBuilder();
foreach (string item in files)
{
TempContent.AppendFormat("file '{0}'", item).AppendLine();
}
fileSystem.WriteAllText(TempFile, TempContent.ToString());
string Query = $@"-y -f concat -fflags +genpts -async 1 -safe 0 -i ""{TempFile}"" -c copy ""{destination}""";
IProcessWorkerEncoder Worker = factory.CreateEncoder(options, callback);
Result = Worker.RunEncoder(Query.ToString(), EncoderApp.FFmpeg);
fileSystem.Delete(TempFile);
return(Result);
}
/// <summary>
/// Extracts an audio or video stream from specified file.
/// </summary>
/// <param name="args">The arguments string that will be passed to FFmpeg.</param>
/// <param name="source">The media file to extract from.</param>
/// <param name="destination">The destination file.</param>
/// <param name="options">The options for starting the process.</param>
/// <param name="callback">A method that will be called after the process has been started.</param>
/// <returns>The process completion status.</returns>
private CompletionStatus ExtractStream(string args, string source, string destination, ProcessOptionsEncoder options = null, ProcessStartedEventHandler callback = null)
{
if (string.IsNullOrEmpty(source))
{
throw new ArgumentException("Source cannot be empty.", nameof(source));
}
if (string.IsNullOrEmpty(destination))
{
throw new ArgumentException("Destination cannot be empty.", nameof(destination));
}
fileSystem.Delete(destination);
IProcessWorkerEncoder Worker = factory.CreateEncoder(options, callback);
return(Worker.RunEncoder(string.Format(args, source, destination), EncoderApp.FFmpeg));
}
