private static void ApplyDegrain(AviSynthScriptBuilder Script, MediaEncoderSettings settings, ref bool isLsb, ref bool isYV24)
{
Script.LoadPluginAvsi("smdegrain.avsi");
Script.LoadPluginDll("MVTools2.dll");
Script.LoadPluginDll("MedianBlur2.dll");
if (settings.DegrainSharp)
{
Script.LoadPluginDll("rgtools.dll");
}
else
{
Script.LoadPluginDll("RemoveGrain.dll");
}
if (isYV24)
{
if (isLsb)
{
Script.AppendLine(@"Dither_resize16nr(Width, Height/2, kernel=""Spline36"", csp=""YV12"")");
}
else
{
Script.AppendLine("ConvertToYV12()");
}
isYV24 = false;
}
Script.AppendLine("SMDegrain(thsad={0}, prefilter={1}{2}{3})",
settings.DegrainStrength * 10,
settings.DegrainPrefilter == DegrainPrefilters.SD ? 1 : settings.DegrainPrefilter == DegrainPrefilters.HD ? 2 : 4,
settings.DegrainSharp ? ", contrasharp=true" : "",
isLsb ? ", lsb_in=true, lsb_out=true" : "");
}
/// <summary>
/// Returns the code for the MatrixIn argument based on SourceColorMatrix.
/// </summary>
private static string GetMatrixIn(MediaEncoderSettings settings)
{
string Result = null;
if (settings.SourceColorMatrix == ColorMatrix.Rec601)
{
Result = "Rec601";
}
else if (settings.SourceColorMatrix == ColorMatrix.Pc601)
{
Result = "Pc601";
}
else if (settings.SourceColorMatrix == ColorMatrix.Pc709)
{
Result = "Pc709";
}
if (Result != null)
{
return(string.Format(@", MatrixIn=""{0}""", Result));
}
else
{
return("");
}
}
public void PrepareJobFiles(MediaEncoderSettings settings)
{
settings.JobIndex = ++JobIndex;
// Files must be prepared before adding to queue so that user can replace preview files.
PathManager.DeleteJobFiles(settings.JobIndex);
File.Delete(PathManager.PreviewScriptFile);
File.Delete(PathManager.PreviewSettingsFile);
if (settings.ConvertToAvi)
{
PathManager.SafeMove(PathManager.PreviewSourceFile, settings.InputFile);
}
if (settings.Deshaker)
{
PathManager.SafeMove(PathManager.PreviewDeshakerLog, settings.DeshakerLog);
}
settings.Save(settings.SettingsFile);
AviSynthScriptBuilder Script = new AviSynthScriptBuilder(settings.CustomScript);
if (Script.IsEmpty)
{
Script = MediaEncoderScript.GenerateVideoScript(settings, settings.InputFile, false, true);
}
else
{
Script.Replace(Script.GetAsciiPath(PathManager.PreviewSourceFile), Script.GetAsciiPath(settings.InputFile));
Script.Replace(Script.GetAsciiPath(PathManager.PreviewDeshakerLog), Script.GetAsciiPath(settings.DeshakerLog));
}
Script.WriteToFile(settings.ScriptFile);
// if (settings.DeshakerSettings.PrescanAction == PrescanType.Full)
}
private EncodingCompletedEventArgs GetEncodingResults(MediaEncoderSettings settings, string finalFile, DateTime?startTime)
{
// Create encoding result object.
EncodingCompletedEventArgs Result = null;
if (finalFile == null || File.Exists(finalFile))
{
Result = new EncodingCompletedEventArgs();
Result.Settings = settings;
Result.OldFileName = settings.FilePath;
Result.NewFileName = settings.FinalFile;
if (startTime.HasValue)
{
Result.EncodingTime = DateTime.Now - startTime.Value;
}
if (finalFile != null)
{
FileInfo FinalFileInfo = new FileInfo(finalFile);
Result.NewFileSize = FinalFileInfo.Length;
FinalFileInfo = new FileInfo(settings.FilePath);
Result.OldFileSize = FinalFileInfo.Length;
}
}
return(Result);
}
/// <summary>
/// For files encoded in various segments (stop/resume), merge the various segments.
/// </summary>
private CompletionStatus MergeSegments(MediaEncoderSettings settings, string destination)
{
MediaEncoderSegments segBusiness = new MediaEncoderSegments();
segBusiness.Analyze(settings);
if (segBusiness.SegLeft.Count() > 0)
{
return(CompletionStatus.Error);
}
List <string> SegmentList = new List <string>();
foreach (SegmentInfo seg in segBusiness.SegDone)
{
SegmentList.Add(PathManager.GetOutputFile(settings.JobIndex, seg.Start, settings.Container));
}
CompletionStatus Result = CompletionStatus.Success;
File.Delete(destination);
if (SegmentList.Count == 1)
{
File.Move(SegmentList[0], destination);
}
else if (SegmentList.Count > 1)
{
Result = MediaMuxer.Concatenate(SegmentList, destination, new ProcessStartOptions(settings.JobIndex, "Merging Files", false));
}
settings.CompletionStatus = Result;
return(Result);
}
/// <summary>
/// Moves specified settings file as preview files.
/// </summary>
/// <param name="settings">The settings to use for re-encoding.</param>
public async Task MovePreviewFilesAsync(MediaEncoderSettings settings)
{
await DeletePreviewFilesAsync();
if (settings.ConvertToAvi)
{
File.Move(settings.InputFile, PathManager.PreviewSourceFile);
}
if (settings.Deshaker && File.Exists(settings.DeshakerLog))
{
File.Move(settings.DeshakerLog, PathManager.PreviewDeshakerLog);
}
if (!string.IsNullOrEmpty(settings.CustomScript) && (settings.ConvertToAvi || settings.Deshaker))
{
AviSynthScriptBuilder Script = new AviSynthScriptBuilder(settings.CustomScript);
if (settings.ConvertToAvi)
{
Script.Replace(Script.GetAsciiPath(settings.InputFile), Script.GetAsciiPath(PathManager.PreviewSourceFile));
}
if (settings.Deshaker)
{
Script.Replace(Script.GetAsciiPath(settings.DeshakerLog), Script.GetAsciiPath(PathManager.PreviewDeshakerLog));
}
settings.CustomScript = Script.Script;
}
settings.Save(PathManager.PreviewSettingsFile);
}
public void AddJobToQueue(MediaEncoderSettings settings)
{
ProcessingQueue.Add(settings);
if (IsEncoding && ProcessingQueue.Count == 1)
{
StartEncoderThread();
}
}
/// <summary>
/// Prepares the files of an existing job that we resume.
/// </summary>
/// <returns>Whether job still needs to execute.</returns>
//private bool PrepareResumeJob(MediaEncoderSettings settings) {
// AvisynthTools.EditStartPosition(settings.ScriptFile, 0);
// // At least one segment has been processed. Check if the entire file has been processed.
// ProcessStartOptions Options = new ProcessStartOptions(settings.JobIndex, "Resuming...", false).TrackProcess(settings);
// Task<long> TaskCount = Task.Run(() => AvisynthTools.GetFrameCount(settings.ScriptFile, Options));
// int Segment = 0;
// List<Task<long>> TaskList = new List<Task<long>>();
// while (File.Exists(PathManager.GetOutputFile(settings.JobIndex, ++Segment, settings.VideoCodec)) && settings.CompletionStatus != CompletionStatus.Cancelled) {
// string SegmentFile = PathManager.GetOutputFile(settings.JobIndex, Segment, settings.VideoCodec);
// // Discard segments of less than 10kb.
// if (new FileInfo(SegmentFile).Length > 10000) {
// int SegmentLocal = Segment;
// TaskList.Add(Task.Run(() => AvisynthTools.GetFrameCount(PathManager.GetOutputFile(settings.JobIndex, SegmentLocal, settings.VideoCodec), null)));
// } else {
// // There shouldn't be any resumed job following a segment that is being deleted.
// File.Delete(SegmentFile);
// break;
// }
// }
// long OutputFrames = 0;
// Task.WaitAll(TaskList.ToArray());
// foreach (Task<long> item in TaskList) {
// OutputFrames += item.Result;
// }
// TaskCount.Wait();
// if (settings.CompletionStatus == CompletionStatus.Cancelled)
// return false;
// long ScriptFrames = TaskCount.Result;
// if (OutputFrames >= ScriptFrames) {
// // Job completed.
// //EncodingCompletedEventArgs EncodeResult = FinalizeEncoding(settings, null);
// //if (EncodeResult != null)
// // EncodingCompleted(this, EncodeResult);
// //else {
// // PathManager.DeleteJobFiles(settings.JobIndex);
// //}
// return false;
// } else {
// // Resume with new segment.
// AvisynthTools.EditStartPosition(settings.ScriptFile, OutputFrames);
// settings.ResumeSegment = Segment;
// settings.ResumePos = OutputFrames;
// File.Delete(settings.OutputFile);
// return true;
// }
//}
private async Task GetMediaInfo(string previewFile, MediaEncoderSettings settings)
{
FFmpegProcess FInfo = await Task.Run(() => MediaInfo.GetFileInfo(previewFile));
FFmpegVideoStreamInfo VInfo = FInfo.VideoStream;
FFmpegAudioStreamInfo AInfo = settings.ConvertToAvi ? await Task.Run(() => MediaInfo.GetFileInfo(settings.FilePath).AudioStream) : FInfo.AudioStream;
settings.SourceWidth = FInfo.VideoStream.Width;
settings.SourceHeight = FInfo.VideoStream.Height;
if (settings.SourceHeight > 768)
{
settings.OutputHeight = settings.SourceHeight.Value;
}
settings.SourceAspectRatio = (float)(VInfo?.PixelAspectRatio ?? 1);
// Fix last track of VCDs that is widescreen.
if (settings.SourceHeight == 288 && settings.SourceWidth == 352 && settings.SourceAspectRatio == 1.485f)
{
settings.SourceAspectRatio = 1.092f;
}
settings.SourceFrameRate = VInfo?.FrameRate;
settings.SourceAudioFormat = AInfo?.Format;
settings.SourceVideoFormat = VInfo?.Format;
bool IsTvRange = VInfo?.ColorRange != "pc";
if (!string.IsNullOrEmpty(VInfo?.ColorMatrix))
{
settings.SourceColorMatrix = VInfo.ColorMatrix.EndsWith("601") ? (IsTvRange ? ColorMatrix.Rec601 : ColorMatrix.Pc601) : (IsTvRange ? ColorMatrix.Rec709 : ColorMatrix.Pc709);
}
else
{
settings.SourceColorMatrix = VInfo?.Height < 600 ? (IsTvRange ? ColorMatrix.Rec601 : ColorMatrix.Pc601) : (IsTvRange ? ColorMatrix.Rec709 : ColorMatrix.Pc709);
}
settings.SourceChromaPlacement = string.Compare(VInfo?.Format, "mpeg1video", true) == 0 ? ChromaPlacement.MPEG1 : ChromaPlacement.MPEG2;
settings.DegrainPrefilter = VInfo?.Height < 600 ? DegrainPrefilters.SD : DegrainPrefilters.HD;
settings.SourceVideoBitrate = (int)(new FileInfo(previewFile).Length / FInfo.FileDuration.TotalSeconds / 1024 * 8);
settings.SourceAudioBitrate = AInfo?.Bitrate;
if (!settings.HasAudioOptions)
{
settings.AudioQuality = AInfo?.Bitrate > 0 ? AInfo.Bitrate : 256;
}
if (settings.AudioQuality > 384)
{
settings.AudioQuality = 384;
}
settings.SourceBitDepth = 8; // VInfo.BitDepth;
//settings.DenoiseD = 2;
//settings.DenoiseA = settings.SourceHeight < 720 ? 2 : 1;
settings.Position = FInfo.FileDuration.TotalSeconds / 2;
settings.VideoAction = settings.SourceHeight >= 1080 ? VideoAction.x264 : VideoAction.x265;
settings.EncodeQuality = settings.SourceHeight >= 1080 ? 23 : 22;
settings.EncodePreset = settings.SourceHeight >= 1080 ? EncodePresets.veryslow : EncodePresets.medium;
// Use Cache to open file when file is over 500MB
settings.CalculateSize();
}
public string GetPreviewSourceFile(MediaEncoderSettings settings)
{
if (settings.ConvertToAvi)
{
return(PathManager.PreviewSourceFile);
}
else
{
return(settings.FilePath);
}
}
/// <summary>
/// Saves the audio output of specified script into a WAV file.
/// </summary>
/// <param name="settings">An object containing the encoding settings.</param>
/// <param name="destination">The WAV file to write.</param>
/// <param name="options">The options that control the behaviors of the process.</param>
public static void SaveAudioToWav(MediaEncoderSettings settings, string destination, ProcessStartOptions options)
{
string TempFile = settings.TempFile + ".avs";
AviSynthScriptBuilder Script = new AviSynthScriptBuilder();
if (settings.VideoAction != VideoAction.Copy)
{
// Read source script.
Script.Script = File.ReadAllText(settings.ScriptFile);
// Remote MT code.
Script.RemoveMT();
Script.AppendLine("Trim(0,0)");
}
else
{
// Read full video file.
Script.AddPluginPath();
if (settings.ConvertToAvi || settings.InputFile.ToLower().EndsWith(".avi"))
{
Script.OpenAvi(settings.InputFile, !string.IsNullOrEmpty(settings.SourceAudioFormat));
}
else
{
Script.OpenDirect(settings.InputFile, !string.IsNullOrEmpty(settings.SourceAudioFormat));
}
Script.AppendLine("KillVideo()");
}
Script.AppendLine();
// Add audio gain.
if (settings.AudioGain.HasValue && settings.AudioGain != 0)
{
Script.AppendLine("AmplifydB({0})", settings.AudioGain.Value);
}
if (settings.ChangeAudioPitch)
{
// Change pitch to 432hz.
Script.LoadPluginDll("TimeStretch.dll");
Script.AppendLine("ResampleAudio(48000)");
Script.AppendLine("TimeStretchPlugin(pitch = 100.0 * 0.98181819915771484)");
}
// Add TWriteWAV.
Script.AppendLine();
Script.LoadPluginDll("TWriteAVI.dll");
Script.AppendLine(@"TWriteWAV(""{0}"", true)", Script.GetAsciiPath(destination));
Script.AppendLine("ForceProcessWAV()");
// Write temp script.
Script.WriteToFile(TempFile);
// Execute. It aways returns an error but the file is generated.
FFmpegProcess Worker = new FFmpegProcess(options);
Worker.RunAvisynth(TempFile);
File.Delete(TempFile);
}
/// <summary>
/// Automatically reloads jobs if the encoder was unexpectedly closed.
/// </summary>
public void AutoLoadJobs()
{
try {
if (!Directory.Exists(PathManager.TempFilesPath))
{
Directory.CreateDirectory(PathManager.TempFilesPath);
}
}
catch {
return;
}
var JobList = Directory.EnumerateFiles(PathManager.TempFilesPath, "Job*_Settings.xml");
int Index = 0;
MediaEncoderSettings settings;
//List<Task> TaskList = new List<Task>();
// Get list of interrupted jobs.
foreach (string item in JobList)
{
// Load settings file.
settings = null;
try {
settings = MediaEncoderSettings.Load(item);
}
catch { }
// Resume job.
if (int.TryParse(Path.GetFileName(item).Replace("Job", "").Replace("_Settings.xml", ""), out Index))
{
if (Index > JobIndex)
{
JobIndex = Index;
}
if (settings != null && File.Exists(settings.InputFile) && File.Exists(settings.ScriptFile) && File.Exists(settings.SettingsFile) && File.Exists(settings.FilePath))
{
ProcessingQueue.Add(settings);
//TaskList.Add(StartJobAsync(settings));
}
else
{
// Resume job failed, delete files.
PathManager.DeleteJobFiles(settings.JobIndex);
}
}
}
}
/// <summary>
/// Encodes specified audio file according to settings. The script file must already be written.
/// </summary>
/// <param name="settings">An object containing the encoding settings.</param>
/// <returns>The endoding completion status..</returns>
public static CompletionStatus EncodeAudio(MediaEncoderSettings settings)
{
CompletionStatus Result = CompletionStatus.Success;
string WavFile = PathManager.GetAudioFile(settings.JobIndex, AudioActions.Wav);
ProcessStartOptions Options = new ProcessStartOptions(settings.JobIndex, "Exporting Audio", false).TrackProcess(settings);
if (!File.Exists(WavFile))
{
EncoderBusiness.SaveAudioToWav(settings, WavFile, Options);
if (settings.CompletionStatus == CompletionStatus.Cancelled)
{
File.Delete(WavFile);
return(CompletionStatus.Cancelled);
}
if (!File.Exists(WavFile))
{
settings.Cancel();
return(CompletionStatus.Error);
}
}
string DestFile = PathManager.GetAudioFile(settings.JobIndex, settings.AudioAction);
if (!File.Exists(DestFile))
{
Options.Title = "Encoding Audio";
if (settings.AudioAction == AudioActions.Opus)
{
string Args = string.Format(@"--bitrate {0} ""{1}"" ""{2}""", settings.AudioQuality, WavFile, DestFile);
FFmpegProcess Worker = new FFmpegProcess(Options);
Result = Worker.Run("Encoder\\opusenc.exe", Args);
}
else if (settings.AudioAction == AudioActions.Aac || settings.AudioAction == AudioActions.Flac)
{
Result = FFmpeg.MediaEncoder.Encode(WavFile, null,
settings.AudioAction == AudioActions.Flac ? "flac" : "aac",
string.Format("-b:a {0}k", settings.AudioQuality),
DestFile,
Options);
}
}
if (Result != CompletionStatus.Success || !File.Exists(DestFile))
{
File.Delete(DestFile);
settings.Cancel();
}
return(Result);
}
public bool PauseEncoding()
{
if (IsEncoding)
{
IsEncoding = false;
MediaEncoderSettings Job = ProcessingQueue.FirstOrDefault();
if (Job != null)
{
Job.CompletionStatus = CompletionStatus.Cancelled;
FFmpegConfig.UserInterfaceManager.Stop(Job.JobIndex);
return(true);
}
}
return(false);
}
/// <summary>
/// Prepares the files of an existing job.
/// </summary>
/// <returns>A MediaEncoderSegments object containing the segments analysis.</returns>
public MediaEncoderSegments PrepareExistingJob(MediaEncoderSettings settings)
{
settings.ResumePos = 0;
settings.CompletionStatus = CompletionStatus.Success;
if (File.Exists(settings.FinalFile))
{
// Merging was completed.
return(null);
}
else
{
MediaEncoderSegments SegBusiness = new MediaEncoderSegments();
SegBusiness.Analyze(settings);
return(SegBusiness);
}
}
public static MediaEncoderSettings Load(string filePath)
{
using (var stream = File.OpenRead(filePath)) {
var serializer = new XmlSerializer(typeof(MediaEncoderSettings));
MediaEncoderSettings Result = serializer.Deserialize(stream) as MediaEncoderSettings;
if (Result.DeshakerSettings == null)
{
Result.DeshakerSettings = new MediaEncoderDeshakerSettings();
}
// Serialization changes new lines; restore them.
if (Result.CustomScript != null)
{
Result.CustomScript = Result.CustomScript.Replace("\n", "\r\n");
}
return(Result);
}
}
private CompletionStatus GenerateDeshakerLogSegment(MediaEncoderSettings settings, string inputFile, int segment, long jobStart, long frameStart, long frameEnd, ProcessStartOptions jobOptions)
{
// Write Deshaker Pass 1 script to file.
string Script = MediaEncoderScript.GenerateDeshakerScript(settings, inputFile, segment, frameStart, frameEnd);
File.WriteAllText(settings.DeshakerScript, Script);
// Run pass.
jobOptions.IsMainTask = true;
jobOptions.Title = "Running Deshaker Prescan";
jobOptions.ResumePos = frameStart - jobStart;
CompletionStatus Result = FFmpeg.MediaEncoder.ConvertToAvi(settings.DeshakerScript, settings.DeshakerTempOut, false, jobOptions);
File.Delete(settings.DeshakerScript);
File.Delete(settings.DeshakerTempOut);
return(Result);
}
public void GenerateScript(MediaEncoderSettings settings, bool preview, bool multiThreaded)
{
AviSynthScriptBuilder Script = new AviSynthScriptBuilder(settings.CustomScript);
if (Script.IsEmpty)
{
Script = MediaEncoderScript.GenerateVideoScript(settings, GetPreviewSourceFile(settings), preview, multiThreaded);
}
else if (preview)
{
Script.RemoveMT();
Script.AppendLine(@"ConvertToRGB32(matrix=""Rec709"")");
}
else if (!multiThreaded)
{
Script.RemoveMT();
}
Script.WriteToFile(PathManager.PreviewScriptFile);
settings.Save(PathManager.PreviewSettingsFile);
}
/// <summary>
/// Auto-load Preview file if encoded was unexpectedly closed.
/// </summary>
/// <returns>The previous preview encoding settings.</returns>
public async Task <MediaEncoderSettings> AutoLoadPreviewFileAsync()
{
if (File.Exists(PathManager.PreviewSettingsFile))
{
MediaEncoderSettings settings = MediaEncoderSettings.Load(PathManager.PreviewSettingsFile);
if (!File.Exists(PathManager.PreviewSourceFile) && File.Exists(settings.FilePath))
{
double?SourceFps = settings.SourceFrameRate; // Keep FPS in case it cannot be read from the file.
await PreparePreviewFile(settings, false, false);
if (!settings.SourceFrameRate.HasValue)
{
settings.SourceFrameRate = SourceFps;
}
}
settings.JobIndex = -1;
return(settings);
}
return(null);
}
private EncodingCompletedEventArgs FinalizeEncoding(MediaEncoderSettings settings, DateTime?startTime)
{
settings.ResumePos = -1;
string VideoFile = settings.VideoAction == VideoAction.Discard ? null : settings.VideoAction == VideoAction.Copy ? settings.FilePath : settings.OutputFile;
if (!File.Exists(settings.OutputFile) && settings.VideoAction != VideoAction.Copy)
{
// Merge segments.
settings.CompletionStatus = MergeSegments(settings, VideoFile);
if (settings.CompletionStatus != CompletionStatus.Success)
{
return(null);
}
}
if (!File.Exists(settings.FinalFile))
{
// Muxe video with audio.
string AudioFile = settings.AudioAction == AudioActions.Discard ? null : settings.AudioAction == AudioActions.Copy ? settings.FilePath : settings.AudioFile;
if (AudioFile == null)
{
File.Move(VideoFile, settings.FinalFile);
}
else if (VideoFile == null)
{
File.Move(AudioFile, settings.FinalFile);
}
else
{
settings.CompletionStatus = MediaMuxer.Muxe(VideoFile, AudioFile, settings.FinalFile, new ProcessStartOptions(settings.JobIndex, "Muxing Audio and Video", false));
}
if (settings.CompletionStatus != CompletionStatus.Success)
{
return(null);
}
}
return(GetEncodingResults(settings, settings.FinalFile, startTime));
}
private static void ApplyInterFrame(AviSynthScriptBuilder Script, MediaEncoderSettings settings, int CPU)
{
Script.LoadPluginDll("FrameRateConverter.dll");
Script.LoadPluginAvsi("FrameRateConverter.avsi");
Script.LoadPluginDll("MaskTools2.dll");
Script.LoadPluginDll("MvTools2.dll");
string Prefilter = "";
if (!settings.Denoise)
{
Script.LoadPluginDll("RgTools.dll");
Prefilter = ", Prefilter=RemoveGrain(21)";
}
if (settings.IncreaseFrameRateValue == FrameRateModeEnum.Double)
{
Script.AppendLine(@"FrameRateConverter(FrameDouble=true){0}", Prefilter);
}
else
{
int NewNum = 0;
int NewDen = 0;
if (settings.IncreaseFrameRateValue == FrameRateModeEnum.fps30)
{
NewNum = 30; // 30000;
NewDen = 1; // 1001;
}
else if (settings.IncreaseFrameRateValue == FrameRateModeEnum.fps60)
{
NewNum = 60; // 60000;
NewDen = 1; // 1001;
}
else if (settings.IncreaseFrameRateValue == FrameRateModeEnum.fps120)
{
NewNum = 120; // 120000;
NewDen = 1; // 1001;
}
Script.AppendLine(@"FrameRateConverter(NewNum={0}, NewDen={1}, Preset=""{2}""{3})", NewNum, NewDen, settings.IncreaseFrameRatePreset, Prefilter);
}
}
private static void ApplyDeshaker(AviSynthScriptBuilder Script, MediaEncoderSettings settings, ref bool isLsb, ref bool isYV24, bool multiProcess)
{
settings.DeshakerSettings.LogFile = Script.GetAsciiPath(settings.DeshakerLog);
settings.DeshakerSettings.Pass = 2;
Script.LoadPluginDll(@"VDubFilter.dll");
Script.AppendLine(@"LoadVirtualDubPlugin(P+""deshaker.vdf"", ""deshaker"", preroll=0)");
Script.AppendLine(@"ConvertToRGB32(matrix=""Rec709"")");
if (multiProcess)
{
Script.AppendLine("### prefetch: 3, 3"); // Keep 3 frames before and after for temporal filters.
Script.AppendLine("### ###"); // MP_Pipeline starts new process here
}
Script.AppendLine(@"deshaker(""{0}"")", settings.DeshakerSettings.ToString());
Script.AppendLine(@"ConvertToYV12(matrix=""Rec709"")");
if (multiProcess)
{
Script.AppendLine("### prefetch: {0}, {1}", settings.DeshakerSettings.FillBordersWithFutureFrames ? settings.DeshakerSettings.FillBordersWithFutureFramesCount : 0, settings.DeshakerSettings.FillBordersWithPreviousFrames ? settings.DeshakerSettings.FillBordersWithPreviousFramesCount : 0);
Script.AppendLine("### ###"); // MP_Pipeline starts another here
}
isLsb = false;
isYV24 = false;
}
public CompletionStatus GenerateDeshakerLog(MediaEncoderSettings settings, string inputFile)
{
// Prepare Deshaker settings.
settings.DeshakerSettings.Pass = 1;
settings.DeshakerSettings.LogFile = settings.DeshakerTempLog;
settings.DeshakerSettings.SourcePixelAspectRatio = settings.SourceAspectRatio.Value;
// settings.DeshakerSettings.AppendToFile = true;
File.Delete(settings.DeshakerLog);
// Start UI.
CompletionStatus Result = CompletionStatus.Success;
object JobId = "Deshaker";
FFmpegConfig.UserInterfaceManager.Start(JobId, "Running Deshaker Prescan");
ProcessStartOptions JobOptions = new ProcessStartOptions(JobId, "Getting Frame Count", false);
// Get frame count.
settings.CalculateSize();
int FrameStart = (int)((settings.DeshakerSettings.PrescanStart ?? 0) * settings.SourceFrameRate.Value);
int FrameEnd = (int)((settings.DeshakerSettings.PrescanEnd ?? 0) * settings.SourceFrameRate.Value);
string Script = MediaEncoderScript.GenerateDeshakerScript(settings, inputFile, 0, FrameStart, FrameEnd);
File.WriteAllText(settings.DeshakerScript, Script);
JobOptions.FrameCount = AvisynthTools.GetFrameCount(settings.DeshakerScript, JobOptions);
// Pad file start.
using (StreamWriter sw = new StreamWriter(File.Open(settings.DeshakerLog, FileMode.Create), Encoding.ASCII)) {
for (int i = 0; i < FrameStart; i++)
{
sw.WriteLine((i + 1).ToString().PadLeft(7) + " skipped # 0.00 0.00 ");
}
}
// Run segments.
var Segments = settings.DeshakerSettings.Segments;
if (JobOptions.FrameCount > 0)
{
for (int i = 0; i < Segments.Count; i++)
{
// Get start position of next segment.
long NextSegmentStart = i < Segments.Count - 1 ? Segments[i + 1].FrameStart : 0;
if (NextSegmentStart == 0 || NextSegmentStart > FrameStart) // Enforce PrescanStart for preview
{
long SegmentStart = Segments[i].FrameStart;
long SegmentEnd = NextSegmentStart > 0 ? NextSegmentStart - 1 : 0;
// Enforce PrescanEnd for preview
if ((FrameEnd > 0 && SegmentStart > FrameEnd) || (SegmentEnd > 0 && SegmentStart > SegmentEnd))
{
break;
}
if ((FrameStart > 0 && FrameStart > SegmentStart) || SegmentStart == 0)
{
SegmentStart = FrameStart;
}
if ((FrameEnd > 0 && FrameEnd < SegmentEnd) || SegmentEnd == 0)
{
SegmentEnd = FrameEnd;
}
Result = GenerateDeshakerLogSegment(settings, inputFile, i, FrameStart, SegmentStart, SegmentEnd, JobOptions);
if (Result != CompletionStatus.Success)
{
break;
}
// Merge log segment into log file and set right frame numbers.
using (StreamWriter sw = new StreamWriter(File.Open(settings.DeshakerLog, FileMode.Append), Encoding.ASCII)) {
using (StreamReader sr = new StreamReader(File.OpenRead(settings.DeshakerTempLog), Encoding.ASCII)) {
string LogLine, LogNum, LogNumField, LineOut;
long NewLineNum = SegmentStart;
LogLine = sr.ReadLine();
while (LogLine != null)
{
if (LogLine.Length > 7)
{
LogNum = LogLine.Substring(0, 7).Trim();
if (LogNum.Length > 0)
{
LogNumField = LogNum[LogNum.Length - 1].ToString();
if (LogNumField != "A" && LogNumField != "B") // For interlaced videos
{
LogNumField = "";
}
NewLineNum++; // Log file starts at 1, not 0.
LineOut = (NewLineNum.ToString() + LogNumField).PadLeft(7) + LogLine.Substring(7, LogLine.Length - 8);
sw.WriteLine(LineOut);
}
}
LogLine = sr.ReadLine();
}
}
}
File.Delete(settings.DeshakerTempLog);
}
}
}
else
{
Result = CompletionStatus.Error;
}
// End UI.
FFmpegConfig.UserInterfaceManager.Stop(JobId);
return(Result);
}
public void GenerateCustomScript(MediaEncoderSettings settings)
{
settings.CustomScript = MediaEncoderScript.GenerateVideoScript(settings, GetPreviewSourceFile(settings), false, true).Script;
}
/// <summary>
/// Tracks the process that will be run into a MediaEncoderSettings object.
/// </summary>
/// <param name="options">The options object used to track process status.</param>
/// <param name="settings">The settings object that will store the process reference.</param>
/// <returns>The options object.</returns>
public static ProcessStartOptions TrackProcess(this ProcessStartOptions options, MediaEncoderSettings settings)
{
options.Started += (sender, e) => {
if (settings.Processes == null)
{
settings.Processes = new List <FFmpegProcess>();
}
settings.Processes.Add(e.Process);
e.Process.Completed += (sender2, e2) => {
settings.CompletionStatus = e2.Status;
settings.Processes.Remove(e.Process);
};
};
return(options);
}
/// <summary>
/// Encodes specified video file according to settings. The script file must already be written.
/// </summary>
/// <param name="settings">An object containing the encoding settings.</param>
/// <param name="frameCount">The amount of frames to process.</param>
/// <param name="totalFrameCount">If encoding in various segments, the total amount of frames in the script.</param>
/// <returns>The endoding completion status..</returns>
public static CompletionStatus EncodeVideo(MediaEncoderSettings settings, long frameCount, long totalFrameCount)
{
CompletionStatus Result = CompletionStatus.None;
File.Delete(settings.OutputFile);
string Codec = "", Args = "";
if (settings.VideoAction == VideoAction.x264)
{
Codec = "libx264";
}
else if (settings.VideoAction == VideoAction.x265)
{
Codec = "libx265";
Args = string.Format("-preset {0} -crf {1}", settings.EncodePreset, settings.EncodeQuality);
}
else if (settings.VideoAction == VideoAction.Avi)
{
Codec = "huffyuv";
}
else if (settings.VideoAction == VideoAction.AviUtVideo)
{
Codec = "utvideo";
}
else if (settings.VideoAction == VideoAction.xvid)
{
Codec = "xvid";
}
else if (settings.VideoAction == VideoAction.x264_10bit)
{
Args = string.Format("--preset {0} --crf {1}", settings.EncodePreset, settings.EncodeQuality);
}
if (settings.ParallelProcessing > 1)
{
Args += settings.VideoAction == VideoAction.x264_10bit ? " --threads 4" : " -threads 4";
}
ProcessStartOptions Options = new ProcessStartOptions(settings.JobIndex, "Processing Video", true).TrackProcess(settings);
// Options.FrameCount = AvisynthTools.GetFrameCount(settings.ScriptFile, new ProcessStartOptions(settings.JobIndex, "Getting Frame Count", false).TrackProcess(settings));
Options.FrameCount = frameCount;
Options.ResumePos = settings.ResumePos;
Options.TotalFrameCount = totalFrameCount;
if (settings.CompletionStatus == CompletionStatus.Success)
{
string JobScript = settings.OutputScriptFile;
File.Delete(JobScript);
File.Copy(settings.ScriptFile, JobScript);
EditStartPosition(JobScript, settings.ResumePos, settings.ResumePos + frameCount - 1);
if (settings.VideoAction == VideoAction.x264_10bit)
{
Result = EncodeX264_10bit(JobScript, Args, settings.OutputFile, Options);
}
else
{
Result = FFmpeg.MediaEncoder.Encode(JobScript, Codec, null, Args, settings.OutputFile, Options);
}
File.Delete(JobScript);
}
else
{
Result = settings.CompletionStatus;
}
return(Result);
}
/// <summary>
/// Analyzes output files to determine what work is done and what needs to be done.
/// </summary>
/// <param name="settings">The media encoder settings of the job to scan.</param>
/// <returns>Whether job needs to execute.</returns>
public void Analyze(MediaEncoderSettings settings)
{
int Threads = settings.ParallelProcessing;
if (Threads == 0)
{
Threads = 1;
}
this.settings = settings;
SegDone = new List <SegmentInfo>();
SegLeft = new List <SegmentInfo>();
// Get script total frame count, and run in background until all other files are scanned.
EncoderBusiness.EditStartPosition(settings.ScriptFile, 0, 0);
ProcessStartOptions Options = new ProcessStartOptions(settings.JobIndex, "Analyzing Segments...", false).TrackProcess(settings);
Task <long> TaskCount = Task.Run(() => AvisynthTools.GetFrameCount(settings.ScriptFile, Options));
// Get list of output files in folder. The number after "_Output_" is the frame position of that segment.
string FileName = string.Format("Job{0}_Output_", settings.JobIndex);
string FileNameExt = string.Format(".{0}", settings.Container);
string[] SegFiles = Directory.GetFiles(PathManager.TempFilesPath, FileName + "*" + FileNameExt);
// Scan each segment file and discard files smaller than 10kb or of less than 10 frames.
// Create a list of tasks to run them all in parallel.
List <Task <KeyValuePair <string, long> > > TaskList = new List <Task <KeyValuePair <string, long> > >();
foreach (string seg in SegFiles)
{
if (settings.CompletionStatus == CompletionStatus.Cancelled)
{
break;
}
// Discard empty files.
if (new FileInfo(seg).Length > 0)
{
// string SegmentLocal = seg;
TaskList.Add(Task.Run(() => {
return(new KeyValuePair <string, long>(seg, MediaInfo.GetFrameCount(seg, null)));
}));
}
else
{
File.Delete(seg);
}
}
// Run all segment length queries simultaneously and analyze results to fill SegDone.
Task.WaitAll(TaskList.ToArray());
string SegFile;
long SegStart;
bool SegAdded;
int Pos;
string SegText;
if (settings.CompletionStatus != CompletionStatus.Cancelled)
{
foreach (var item in TaskList)
{
SegFile = item.Result.Key;
SegStart = 0;
SegAdded = false;
if (item.Result.Value >= 1) // Segment must contain at least one valid frame.
{
Pos = SegFile.IndexOf(FileName);
if (Pos > -1)
{
Pos += FileName.Length;
SegText = SegFile.Substring(Pos, SegFile.Length - Pos - FileNameExt.Length);
if (long.TryParse(SegText, out SegStart))
{
SegDone.Add(new SegmentInfo(SegStart, SegStart + item.Result.Value));
SegAdded = true;
}
}
}
if (!SegAdded)
{
File.Delete(SegFile);
}
}
// Order can be random, must sort.
SegDone = SegDone.OrderBy(s => s.Start).ToList();
}
// Get script total frames and calculate the work left.
TaskCount.Wait();
if (settings.CompletionStatus == CompletionStatus.Cancelled)
{
SegDone.Clear();
}
else
{
// Create list of segments left.
TotalFrames = TaskCount.Result;
long SegPos = 0;
foreach (SegmentInfo segd in SegDone)
{
if (segd.Start > SegPos)
{
SegLeft.Add(new SegmentInfo(SegPos, segd.Start - 1));
}
SegPos = segd.End + 1;
}
if (SegPos < TotalFrames)
{
SegLeft.Add(new SegmentInfo(SegPos, TotalFrames - 1));
}
if (settings.ParallelProcessing > 1)
{
// Divide in segments
int Instances = settings.ParallelProcessing;
int SmallSegSize = SegSize / Instances;
int StartSegSize = ((Instances - 1) * Instances / 2) * SmallSegSize;
SegmentInfo Seg;
int SegCount = 0;
long IdealSeg, AvailSeg;
// Work on copy because original list will be modified.
List <SegmentInfo> SegLeftCopy = SegLeft.ToList();
SegLeft.Clear();
for (int i = 0; i < SegLeftCopy.Count(); i++)
{
Seg = SegLeftCopy[i];
AvailSeg = Seg.Length;
while (AvailSeg > 0)
{
// Start with smaller segments.
IdealSeg = SegCount < Instances ? ++SegCount * SmallSegSize : SegSize;
// Split segment only if it is larger than threshold
if (AvailSeg > IdealSeg + SmallSegSize)
{
SegLeft.Add(new SegmentInfo(Seg.Start, Seg.Start + IdealSeg - 1));
Seg.Start += IdealSeg;
AvailSeg -= IdealSeg;
}
else
{
SegLeft.Add(new SegmentInfo(Seg.Start, Seg.End));
AvailSeg = 0;
}
}
}
// If we're still missing segments (for short clips), split using other method.
// Create segments to reach the desired amount of threads.
int SegMissing = SegLeft.Count > 0 ? Threads - SegLeft.Count() : 0;
for (int i = 0; i < SegMissing; i++)
{
// Find largest segment.
int SegMaxIndex = 0;
long SegMax = SegLeft[0].Length;
for (int j = 1; j < SegLeft.Count(); j++)
{
if (SegLeft[j].Length > SegMax)
{
SegMaxIndex = j;
SegMax = SegLeft[j].Length;
}
}
// Split largest segment in half.
Seg = SegLeft[SegMaxIndex];
if (Seg.Length > 80) // Only split if segment has at least 80 frames (creating segments of 40).
{
long SegSep = Seg.Start + (Seg.Length - 1) / 2;
SegLeft[SegMaxIndex] = new SegmentInfo(Seg.Start, SegSep);
SegLeft.Insert(SegMaxIndex + 1, new SegmentInfo(SegSep + 1, Seg.End));
}
}
}
}
}
public static AviSynthScriptBuilder GenerateVideoScript(MediaEncoderSettings settings, string inputFile, bool preview, bool multiThreaded)
{
// int CPU = multiThreaded ? Environment.ProcessorCount : 1;
int CPU = multiThreaded ? settings.Threads : 1;
if (CPU <= 1)
{
multiThreaded = false;
}
bool RunMultiProcesses = false;
if (settings.Deshaker && multiThreaded)
{
RunMultiProcesses = true; // Run through MP_Pipeline
multiThreaded = false; // Deshaker doesn't work with MT
CPU = 1;
}
//if (settings.Threads > 0) {
// multiThreaded = false;
// CPU = 1;
//}
settings.CalculateSize();
// Calculate encoding and final frame rates.
double ChangeSpeedValue = (settings.ChangeSpeed && settings.CanAlterAudio) ? (double)settings.ChangeSpeedValue / 100 : 1;
double FrameRateBefore = settings.SourceFrameRate.Value * ChangeSpeedValue;
// Generate video script.
AviSynthScriptBuilder Script = new AviSynthScriptBuilder();
bool IsYV24 = false;
Script.AppendLine(); // After clean-up, this adds a line after LoadPlugin commands.
Script.AddPluginPath();
if (multiThreaded)
{
Script.LoadPluginAvsi("AviSynthMT.avsi");
}
if (settings.ConvertToAvi || inputFile.ToLower().EndsWith(".avi"))
{
Script.OpenAvi(inputFile, !string.IsNullOrEmpty(settings.SourceAudioFormat));
}
else
{
Script.OpenDirect(inputFile, !string.IsNullOrEmpty(settings.SourceAudioFormat));
}
if (FrameRateBefore != settings.SourceFrameRate)
{
Script.AppendLine(CultureInfo.InvariantCulture, "AssumeFPS({0}, true)", FrameRateBefore);
}
if (settings.Trim && settings.CanAlterAudio)
{
Script.AppendLine("Trim({0}, {1})",
(settings.TrimStart ?? 0) > 0 ? (int)(settings.TrimStart.Value * settings.SourceFrameRate.Value) : 0,
(settings.TrimEnd ?? 0) > 0 && !preview ? (int)(settings.TrimEnd.Value * settings.SourceFrameRate.Value) : 0);
}
if (settings.Denoise)
{
//Script.LoadPluginDll("MvTools2.dll");
//Script.LoadPluginDll("MaskTools2.dll");
//Script.LoadPluginDll("FFT3DFilter.dll");
//Script.LoadPluginDll("ModPlus.dll");
//Script.LoadPluginDll("RgTools.dll");
//Script.LoadPluginDll("DCTFilter.dll");
//Script.LoadPluginAvsi("mClean.avsi");
//Script.AppendLine("mClean(rn={0}{1})", 10, IsHD ? ", outbits=16" : "");
Script.AppendLine(@"MCTemporalDenoise(settings=""{0}""{1})", "medium", settings.Deblock ? ", deblock=true" : "");
}
else if (settings.Deblock)
{
Script.LoadPluginDll("MaskTools2.dll");
Script.LoadPluginDll("DCTFilter.dll");
Script.LoadPluginDll("deblock.dll");
Script.LoadPluginAvsi("Deblock_QED.avsi");
Script.AppendLine("Deblock_QED()");
}
if (settings.CropSource.HasValue)
{
Script.AppendLine("Crop({0}, {1}, -{2}, -{3})", settings.CropSource.Left, settings.CropSource.Top, settings.CropSource.Right, settings.CropSource.Bottom);
}
// If possible, KNLMeans will output 16-bit frames before upscaling.
bool IsHD = (settings.Dering || settings.Deblock || settings.Degrain || settings.SourceColorMatrix != ColorMatrix.Rec709 || (settings.FrameDouble > 0 && (settings.SuperRes || settings.UpscaleMethod == UpscaleMethods.SuperXbr)));
bool IsColorMatrixHD = IsHD;
bool IsChromaFixed = settings.SourceChromaPlacement == ChromaPlacement.MPEG2;
if (IsHD)
{
//if (!settings.Denoise)
Script.AppendLine("ConvertBits(16)");
if (settings.SourceColorMatrix != ColorMatrix.Rec709)
{
Script.AppendLine("[ColorMatrixShader]"); // Placeholder that will be replaced after generating the rest.
}
}
if (settings.FixDoubleFrames)
{
Script.LoadPluginDll("FrameRateConverter.dll");
Script.LoadPluginAvsi("FrameRateConverter.avsi");
Script.LoadPluginDll("MaskTools2.dll");
Script.LoadPluginDll("MvTools2.dll");
Script.AppendLine("InterpolateDoubles(.1)");
}
if (settings.Dering)
{
Script.LoadPluginAvsi("HQDeringmod.avsi");
Script.LoadPluginDll("MedianBlur2.dll");
Script.LoadPluginDll("dfttest.dll");
Script.LoadPluginDll("RgTools.dll");
Script.LoadPluginDll("SmoothAdjust.dll");
Script.AppendLine("HQDeringmod({0})", IsHD ? "lsb_in=true, lsb=true" : "");
}
if (settings.Degrain)
{
ApplyDegrain(Script, settings, ref IsHD, ref IsYV24);
}
if (settings.Deshaker)
{
ApplyDeshaker(Script, settings, ref IsHD, ref IsYV24, RunMultiProcesses);
}
if (settings.FrameDouble > 0)
{
Script.AppendLine(@"ConvertToYUV444({0})",
!IsChromaFixed ? string.Format(@"ChromaInPlacement=""{0}""", settings.SourceChromaPlacement.ToString()) : "");
IsYV24 = true;
IsChromaFixed = true;
}
string FinalSize = string.Format("fWidth={0}, fHeight={1}",
settings.OutputWidth + settings.CropAfter.Left + settings.CropAfter.Right,
settings.OutputHeight + settings.CropAfter.Top + settings.CropAfter.Bottom);
string FinalResize = FinalSize;
if (settings.DownscaleMethod == DownscaleMethods.SSim)
{
FinalResize += string.Format(@", fKernel=""SSim"", fB={0}{1}",
settings.SSimStrength / 100, settings.SSimSoft ? ", fC=1" : "");
}
else // DownscaleMethod == Bicubic
{
FinalResize += string.Format(@", fKernel=""Bicubic"", fB=0, fC=.75");
}
if (settings.FrameDouble > 0)
{
if (settings.UpscaleMethod == UpscaleMethods.NNedi3)
{
bool IsLastDouble = false;
DitherPost(Script, ref IsHD, ref IsYV24, true);
Script.LoadPluginDll("nnedi3.dll");
Script.LoadPluginAvsi("edi_rpow2.avsi");
Script.LoadPluginAvsi("ResizeX.avsi");
for (int i = 0; i < settings.FrameDouble; i++)
{
IsLastDouble = i == settings.FrameDouble - 1;
string DoubleScript = string.Format("edi_rpow2(2, nns=4, {0}, Threads=2)",
IsLastDouble && settings.DownscaleMethod == DownscaleMethods.Bicubic ? @"cshift=""Bicubic"", a1=0, a2=.75, " + FinalSize : @"cshift=""Spline16Resize""");
if (settings.SuperRes)
{
Script.AppendLine(CultureInfo.InvariantCulture, @"SuperRes({0}, {1}, {2}, """"""{3}""""""{4}{5}{6})",
settings.SuperRes3Passes ? (i == 0 && settings.FrameDouble > 1 ? 5 : 3) : 2,
settings.SuperResStrength / 100f, settings.SuperResSoftness / 100f, DoubleScript,
i == 0 ? GetMatrixIn(settings) : "",
IsLastDouble && settings.DownscaleMethod == DownscaleMethods.SSim ? ", " + FinalResize : "",
multiThreaded ? "" : ", Engines=1");
}
else
{
Script.AppendLine(DoubleScript);
if (IsLastDouble && settings.DownscaleMethod == DownscaleMethods.SSim)
{
Script.AppendLine("ResizeShader({0}{1})",
FinalResize.Replace("fWidth=", "").Replace("fHeight=", "").Replace(" f", " "), // Use same string as FinalResize but remove 'f' parameter sufix.
GetMatrixIn(settings));
}
}
}
}
else // UpscaleMethod == SuperXBR
{
if (settings.SuperRes)
{
Script.AppendLine(CultureInfo.InvariantCulture, @"SuperResXBR({0}, {1}, {2}{3}, XbrStr={4}, XbrSharp={5}{6}, {7}, FormatOut=""YV12""{8})",
settings.SuperRes3Passes ? (settings.IncreaseFrameRate ? 5 : 3) : 2,
settings.SuperResStrength / 100f, settings.SuperResSoftness / 100f,
settings.FrameDouble > 1 ? ", Factor=" + (1 << settings.FrameDouble).ToString() : "",
settings.SuperXbrStrength / 10f, settings.SuperXbrSharpness / 10f,
GetMatrixIn(settings),
FinalResize,
multiThreaded ? "" : ", Engines=1");
}
else
{
Script.AppendLine(@"SuperXBR(Str={0}, Sharp={1}{2}{3}, {4}, FormatOut=""YV12""{5})",
settings.SuperXbrStrength / 10f, settings.SuperXbrSharpness / 10f,
settings.FrameDouble > 1 ? ", Factor=" + (1 << settings.FrameDouble).ToString() : "",
GetMatrixIn(settings),
FinalResize,
multiThreaded ? "" : ", Engines=1");
}
IsHD = false;
IsYV24 = false;
}
}
if (settings.DownscaleMethod != DownscaleMethods.SSim)
{
DitherPost(Script, ref IsHD, ref IsYV24, settings.IncreaseFrameRate);
}
string[] ShaderCommands = new string[] { "SuperRes", "SuperXBR", "SuperResXBR", "ResizeShader" };
if (settings.CropAfter.HasValue || settings.FrameDouble == 0)
{
if (settings.CropAfter.HasValue || settings.SourceAspectRatio != 1 || settings.OutputWidth != settings.SourceWidth || settings.OutputHeight != settings.OutputHeight)
{
if (settings.DownscaleMethod == DownscaleMethods.SSim && settings.FrameDouble == 0)
{
Script.AppendLine("ResizeShader({0}{1})",
FinalResize.Replace("fWidth=", "").Replace("fHeight=", "").Replace(" f", " "), // Use same string as FinalResize but remove 'f' parameter sufix.
GetMatrixIn(settings));
}
DitherPost(Script, ref IsHD, ref IsYV24, false);
if (settings.CropAfter.HasValue || settings.DownscaleMethod == DownscaleMethods.Bicubic)
{
Script.LoadPluginAvsi("ResizeX.avsi");
bool ApplyResize = settings.FrameDouble == 0 || !Script.ContainsAny(ShaderCommands);
string CropFormat = "ResizeX";
CropFormat += settings.CropAfter.HasValue ? "({0}, {1}, {2}, {3}, -{4}, -{5}{6})" : "({0}, {1}{6})";
Script.AppendLine(CropFormat, settings.OutputWidth, settings.OutputHeight,
settings.CropAfter.Left, settings.CropAfter.Top, settings.CropAfter.Right, settings.CropAfter.Bottom,
ApplyResize ? @", kernel=""Bicubic"", a1=0, a2=.75" : "");
}
}
}
// Use ColorMatrixShader only if it wasn't already applied through any other shader.
if (Script.ContainsAny(ShaderCommands))
{
// ColorMatrix was applied though another shader.
Script.Replace("[ColorMatrixShader]" + Environment.NewLine, "");
Script.LoadPluginDll("Shader.dll");
Script.LoadPluginAvsi("Shader.avsi");
}
else
{
string ColorMatrixScript = "";
// Apply color matrix
if (settings.SourceColorMatrix == ColorMatrix.Pc709)
{
Script.LoadPluginDll("SmoothAdjust.dll");
ColorMatrixScript = string.Format(@"ColorYUV(levels=""PC->TV""");
}
else if (settings.SourceColorMatrix != ColorMatrix.Rec709)
{
Script.LoadPluginDll("Shader.dll");
Script.LoadPluginAvsi("Shader.avsi");
ColorMatrixScript = string.Format(@"ResizeShader(Kernel=""ColorMatrix""{0})", GetMatrixIn(settings));
}
Script.Replace("[ColorMatrixShader]" + Environment.NewLine, ColorMatrixScript + Environment.NewLine);
}
if (settings.IncreaseFrameRate)
{
if (IsYV24)
{
Script.AppendLine(@"ConvertToYUV420()");
IsYV24 = false;
}
DitherPost(Script, ref IsHD, ref IsYV24, true);
ApplyInterFrame(Script, settings, CPU);
}
if (preview)
{
if (settings.Crop)
{
Script.AppendLine("AddBorders(2, 2, 2, 2, $FFFFFF)");
}
Script.AppendLine(@"ConvertToRGB32(matrix=""Rec709"")");
}
if (multiThreaded)
{
Script.AppendLine("Prefetch({0})", CPU);
}
if (RunMultiProcesses)
{
Script.ConvertToMultiProcesses(settings.SourceFrameRate.Value);
}
else
{
Script.Cleanup();
}
return(Script);
}
/// <summary>
/// Generates a script for Deshaker prescan. This is a much simplified version of the full script that will execute faster.
/// </summary>
public static string GenerateDeshakerScript(MediaEncoderSettings settings, string inputFile, int segment, long frameStart, long frameEnd)
{
bool MultiProcesses = false;
// Calculate encoding and final frame rates.
double ChangeSpeedValue = settings.ChangeSpeed ? (double)settings.ChangeSpeedValue / 100 : 1;
double FrameRateBefore = settings.SourceFrameRate.Value * ChangeSpeedValue;
// Generate video script.
AviSynthScriptBuilder Script = new AviSynthScriptBuilder();
Script.AddPluginPath();
Script.LoadPluginDll("VDubFilter.dll");
Script.AppendLine(@"LoadVirtualDubPlugin(P+""deshaker.vdf"", ""deshaker"", preroll=0)");
if (settings.ConvertToAvi || inputFile.ToLower().EndsWith(".avi"))
{
Script.OpenAvi(inputFile, false);
}
else
{
Script.OpenDirect(inputFile, false);
}
if (FrameRateBefore != settings.SourceFrameRate)
{
Script.AppendLine(CultureInfo.InvariantCulture, "AssumeFPS({0}, true)", FrameRateBefore);
}
if (settings.Trim)
{
Script.AppendLine("Trim({0}, {1})",
(settings.TrimStart ?? 0) > 0 ? (int)(settings.TrimStart.Value * settings.SourceFrameRate.Value) : 0,
(settings.TrimEnd ?? 0) > 0 ? (int)(settings.TrimEnd.Value * settings.SourceFrameRate.Value) : 0);
}
if (settings.CropSource.HasValue)
{
Script.AppendLine("Crop({0}, {1}, -{2}, -{3})", settings.CropSource.Left, settings.CropSource.Top, settings.CropSource.Right, settings.CropSource.Bottom);
}
// Generate script for a segment.
if (frameStart > 0 || frameEnd > 0)
{
Script.AppendLine("Trim({0}, {1})", frameStart, frameEnd);
}
// Resize to the dimention deshaker will run at.
if (settings.FrameDouble == 1)
{
int FinalWidth = settings.OutputWidth.Value + settings.CropAfter.Left + settings.CropAfter.Right;
int FinalHeight = settings.OutputHeight + settings.CropAfter.Top + settings.CropAfter.Bottom;
Script.AppendLine("BicubicResize({0}, {1})", FinalWidth, FinalHeight);
}
else if (settings.FrameDouble > 1)
{
Script.AppendLine("BicubicResize(Width*2, Height*2)");
}
// Deshaker requires RGB input.
Script.AppendLine(@"ConvertToRGB32(matrix=""{0}"")",
settings.SourceColorMatrix == ColorMatrix.Rec601 ? "Rec601" : settings.SourceColorMatrix == ColorMatrix.Pc709 ? "Pc709" : settings.SourceColorMatrix == ColorMatrix.Pc601 ? "Pc601" : "Rec709");
// Generate log file
Script.AppendLine(@"deshaker(""{0}"")", settings.DeshakerSettings.ToString(segment));
// FFMPEG will generate an AVI file; make it 8x8 to minimize processing.
Script.AppendLine("ConvertToYV12()");
Script.AppendLine("PointResize(64,64)");
if (MultiProcesses)
{
Script.AppendLine("### prefetch: 0, 0");
Script.AppendLine("### branch: 2");
Script.AppendLine("### ###");
Script.ConvertToMultiProcesses(settings.SourceFrameRate.Value);
}
return(Script.Script);
}
public async Task PreparePreviewFile(MediaEncoderSettings settings, bool overwrite, bool calcAutoCrop)
{
if (string.IsNullOrEmpty(settings.FilePath))
{
return;
}
if (overwrite)
{
File.Delete(PathManager.PreviewSourceFile);
// Select default open method.
if (settings.FilePath.ToLower().EndsWith(".avi"))
{
settings.ConvertToAvi = false;
}
else
{
FFmpegProcess FileInfo = await Task.Run(() => MediaInfo.GetFileInfo(settings.FilePath));
if (settings.ConvertToAvi && FileInfo?.VideoStream?.Height >= 720)
{
settings.ConvertToAvi = false;
}
}
}
bool AviFileReady = File.Exists(PathManager.PreviewSourceFile);
if (!AviFileReady && settings.ConvertToAvi)
{
AviFileReady = await Task.Run(() => FFmpeg.MediaEncoder.ConvertToAvi(settings.FilePath, PathManager.PreviewSourceFile, true, new ProcessStartOptions(FFmpegDisplayMode.Interface, "Converting to AVI"))) == CompletionStatus.Success;
}
if (AviFileReady && settings.ConvertToAvi)
{
await GetMediaInfo(PathManager.PreviewSourceFile, settings);
}
else
{
settings.ConvertToAvi = false;
await GetMediaInfo(settings.FilePath, settings);
}
// Auto-calculate crop settings.
if (calcAutoCrop)
{
if (settings.CropLeft == 0 && settings.CropTop == 0 && settings.CropRight == 0 && settings.CropBottom == 0)
{
Rect AutoCrop = await Task.Run(() => EncoderBusiness.GetAutoCropRect(settings.FilePath, settings.SourceWidth ?? 0, settings.SourceHeight ?? 0, null));
if (settings.CropLeft == 0)
{
settings.CropLeft = AutoCrop.Left;
}
if (settings.CropTop == 0)
{
settings.CropTop = AutoCrop.Top;
}
if (settings.CropRight == 0)
{
settings.CropRight = AutoCrop.Right;
}
if (settings.CropBottom == 0)
{
settings.CropBottom = AutoCrop.Bottom;
}
}
}
}
public bool CustomScriptHasChanges(MediaEncoderSettings settings)
{
return(settings.CustomScript.Replace("\r\n", "\n") != MediaEncoderScript.GenerateVideoScript(settings, GetPreviewSourceFile(settings), false, true).Script.Replace("\r\n", "\n"));
}