private void GetStreamInfo()
{
try
{
_currentTask.MediaInfo = GenHelper.GetMediaInfo(_currentTask.VideoStream.TempFile);
}
catch (TimeoutException ex)
{
Log.Error(ex);
}
finally
{
if (_currentTask.MediaInfo.Video.Count > 0)
{
_currentTask.VideoStream.Bitrate = _currentTask.MediaInfo.Video[0].BitRate;
_currentTask.VideoStream.StreamSize = GenHelper.GetFileSize(_currentTask.VideoStream.TempFile);
_currentTask.VideoStream.FrameCount = _currentTask.MediaInfo.Video[0].FrameCount;
_currentTask.VideoStream.StreamId = _currentTask.MediaInfo.Video[0].ID;
}
}
for (var i = 0; i < _currentTask.AudioStreams.Count; i++)
{
var aStream = _currentTask.AudioStreams[i];
aStream = AudioHelper.GetStreamInfo(aStream);
_currentTask.AudioStreams[i] = aStream;
}
foreach (var sStream in _currentTask.SubtitleStreams)
{
sStream.StreamSize = GenHelper.GetFileSize(sStream.TempFile);
}
}
/// <summary>
/// The ffmpeg process has exited.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The EventArgs.
/// </param>
private void EncodeProcessExited(object sender, EventArgs e)
{
try
{
EncodeProcess.CancelErrorRead();
}
catch (Exception exc)
{
Log.Error(exc);
}
_currentTask.ExitCode = EncodeProcess.ExitCode;
Log.Info($"Exit Code: {_currentTask.ExitCode:0}");
if (_currentTask.ExitCode == 0)
{
if (_encProfile.EncodingMode == 0 ||
(_encProfile.EncodingMode == 1 && _encodingPass == 2))
{
_currentTask.VideoStream.IsRawStream = false;
_currentTask.VideoStream.Encoded = true;
_currentTask.TempFiles.Add(_inputFile);
_currentTask.VideoStream.TempFile = _outputFile;
_currentTask.TempFiles.Add(_currentTask.AviSynthScript);
try
{
_currentTask.MediaInfo = GenHelper.GetMediaInfo(_currentTask.VideoStream.TempFile);
}
catch (TimeoutException ex)
{
Log.Error(ex);
}
_currentTask.VideoStream = VideoHelper.GetStreamInfo(_currentTask.MediaInfo,
_currentTask.VideoStream,
_currentTask.EncodingProfile.OutFormat == OutputType.OutputBluRay);
_currentTask.TempFiles.Add(_currentTask.FfIndexFile);
}
}
_currentTask.CompletedStep = _currentTask.NextStep;
IsEncoding = false;
InvokeEncodeCompleted(new EncodeCompletedEventArgs(true, null, string.Empty));
}
public void GetFileInfo()
{
var mi = new MediaInfoContainer();
try
{
mi = GenHelper.GetMediaInfo(JobInfo.InputFile);
}
catch (TimeoutException ex)
{
Log.Error(ex);
}
JobInfo.MediaInfo = mi;
const string strChapters = "Chapters";
const string strVideo = "Video";
const string strAudio = "Audio";
const string strSubtitles = "Subtitles";
var containerFormat = mi.General.Format;
var duration = mi.General.DurationTime.ToString("H:mm:ss.fff");
var shortFileName = mi.General.FileName + "." + mi.General.FileExtension;
var treeRoot = $"{shortFileName} / {containerFormat} / Length: {duration}";
var root = new StreamTreeNode
{
ID = _treeNodeID++,
Name = treeRoot,
Data = JobInfo.InputFile,
IsChecked = true,
IsExpanded = true,
Children = new List <StreamTreeNode>()
};
root.PropertyChanged += TreeNodePropertyChanged;
_tree.Add(root);
var chaptersStreamTree = CreateNode(root, strChapters, null);
var videoStreamTree = CreateNode(root, strVideo, null);
var audioStreamTree = CreateNode(root, strAudio, null);
var subStreamTree = CreateNode(root, strSubtitles, null);
if (mi.Chapters.Count > 0)
{
var chaptersTitle = $"{mi.Chapters.Count:0} {strChapters}";
CreateNode(chaptersStreamTree, chaptersTitle, mi.Chapters);
}
else
{
chaptersStreamTree.IsChecked = false;
}
var streamIndex = 0;
foreach (var clip in mi.Video)
{
streamIndex++;
var videoPid = clip.ID;
var videoCodec = clip.FormatInfo;
var videoCodecShort = clip.Format;
var videoDesc = $"{clip.Width:0}x{clip.Height:0} {clip.ScanType} / Profile: {clip.FormatProfile} / {clip.FrameRate:0.000}fps";
var videoStreamTitle = $"{streamIndex:0}: {videoCodec} ({videoCodecShort}), {videoDesc}";
var vid = new VideoInfo();
if (JobInfo.Input == InputType.InputAvi)
{
vid.StreamId = 0;
}
else
{
vid.StreamId = videoPid == 0 ? streamIndex : videoPid;
}
vid.StreamKindID = clip.StreamKindID;
vid.Fps = clip.FrameRate;
vid.PicSize = clip.VideoSize;
vid.Interlaced = clip.ScanType == "Interlaced";
vid.Format = clip.Format;
vid.FormatProfile = clip.FormatProfile;
vid.Height = clip.Height;
vid.Width = clip.Width;
vid.FrameCount = clip.FrameCount;
vid.StreamSize = clip.StreamSize;
vid.Length = mi.General.DurationTime.TimeOfDay.TotalSeconds;
float.TryParse(clip.DisplayAspectRatio, NumberStyles.Number, _configService.CInfo, out vid.AspectRatio);
vid.FrameRateEnumerator = clip.FrameRateEnumerator;
vid.FrameRateDenominator = clip.FrameRateDenominator;
vid.FrameMode = clip.FormatFrameMode;
CreateNode(videoStreamTree, videoStreamTitle, vid);
}
videoStreamTree.IsChecked = videoStreamTree.Children.Count > 0;
foreach (var audio in mi.Audio)
{
streamIndex++;
var audioPid = audio.ID;
var audioCodec = audio.FormatInfo;
var audioCodecShort = audio.Format;
var audioLangCode = audio.LanguageIso6392;
var audioLanguage = audio.LanguageFull;
var audioStreamKindID = audio.StreamKindID;
var audioDesc = $"{audio.Channels:0} Channels ({audio.ChannelPositions}) / {audio.SamplingRate:0}Hz / ";
audioDesc += $"{audio.BitDepth:0} bit / {audio.BitRate/1000:0} kbit/s";
var audioStreamTitle = $"{streamIndex:0}: {audioCodec} ({audioCodecShort}) / {audioLangCode} ({audioLanguage}) / {audioDesc}";
if (JobInfo.Input == InputType.InputAvi)
{
audioPid += 1;
}
else
{
audioPid = audioPid == 0 ? streamIndex : audioPid;
}
var aud = new AudioInfo
{
Id = audioPid,
Format = audioCodecShort,
FormatProfile = audio.FormatProfile,
StreamId = streamIndex,
LangCode = audioLangCode,
OriginalId = audioPid,
StreamKindId = audioStreamKindID,
Delay = audio.Delay,
Bitrate = audio.BitRate,
SampleRate = audio.SamplingRate,
ChannelCount = audio.Channels,
BitDepth = audio.BitDepth,
ShortLang = audio.LanguageIso6391,
StreamSize = audio.StreamSize,
Length = mi.General.DurationTime.TimeOfDay.TotalSeconds,
IsHdStream = audio.CompressionMode == "Lossless"
};
CreateNode(audioStreamTree, audioStreamTitle, aud);
}
audioStreamTree.IsChecked = audioStreamTree.Children.Count > 0;
foreach (var sub in mi.Text)
{
streamIndex++;
var subCodec = sub.CodecIDInfo;
var subCodecShort = sub.Format;
var subLangCode = sub.LanguageIso6392;
var subLanguage = sub.LanguageFull;
var subStreamKindID = sub.StreamKindID;
var subStreamTitle = $"{streamIndex:0}: {subCodec} ({subCodecShort}) / {subLangCode} ({subLanguage})";
var subInfo = new SubtitleInfo
{
Id = sub.ID,
StreamId = streamIndex,
LangCode = subLangCode,
Format = subCodecShort,
StreamKindId = subStreamKindID,
Delay = sub.Delay,
StreamSize = sub.StreamSize
};
CreateNode(subStreamTree, subStreamTitle, subInfo);
}
foreach (var sub in mi.Image)
{
streamIndex++;
var subCodec = sub.CodecIDInfo;
var subCodecShort = sub.Format;
var subLangCode = sub.LanguageIso6392;
var subLanguage = sub.LanguageFull;
var subStreamKindID = sub.StreamKindID;
var subStreamTitle = $"{streamIndex:0}: {subCodec} ({subCodecShort}) / {subLangCode} ({subLanguage})";
var subInfo = new SubtitleInfo
{
Id = sub.ID,
StreamId = streamIndex,
LangCode = subLangCode,
Format = subCodecShort,
StreamKindId = subStreamKindID,
Delay = 0,
StreamSize = sub.StreamSize
};
CreateNode(subStreamTree, subStreamTitle, subInfo);
}
subStreamTree.IsChecked = subStreamTree.Children.Count > 0;
NotifyOfPropertyChange(() => Tree);
}
/// <summary>
/// Execute a ffmpeg demux process.
/// This should only be called from the UI thread.
/// </summary>
/// <param name="encodeQueueTask">
/// The encodeQueueTask.
/// </param>
public override void Start(EncodeInfo encodeQueueTask)
{
try
{
if (IsEncoding)
{
encodeQueueTask.ExitCode = -1;
throw new Exception("ffmpeg is already running");
}
IsEncoding = true;
_currentTask = encodeQueueTask;
var use64BitEncoder = _appConfig.Use64BitEncoders &&
_appConfig.Ffmpeg64Installed &&
Environment.Is64BitOperatingSystem;
if (_currentTask.Input == InputType.InputDvd)
{
_inputFile = _currentTask.DumpOutput;
}
else
{
_inputFile = string.IsNullOrEmpty(_currentTask.TempInput)
? _currentTask.InputFile
: _currentTask.TempInput;
}
_currentTask.VideoStream.TempFile = _inputFile;
try
{
_currentTask.MediaInfo = GenHelper.GetMediaInfo(_inputFile);
if (_currentTask.Input == InputType.InputDvd)
{
_currentTask.VideoStream = VideoHelper.GetStreamInfo(_currentTask.MediaInfo,
_currentTask.VideoStream,
false);
}
}
catch (Exception ex)
{
Log.Error(ex);
}
var query = GenerateCommandLine();
var ffmpegCliPath = Path.Combine(_appConfig.ToolsPath,
use64BitEncoder ? Executable64 : Executable);
var cliStart = new ProcessStartInfo(ffmpegCliPath, query)
{
WorkingDirectory = _appConfig.DemuxLocation,
CreateNoWindow = true,
UseShellExecute = false,
RedirectStandardError = true
};
DemuxProcess = new Process {
StartInfo = cliStart
};
Log.Info($"start parameter: ffmpeg {query}");
DemuxProcess.Start();
_startTime = DateTime.Now;
DemuxProcess.ErrorDataReceived += DemuxDataReceived;
DemuxProcess.BeginErrorReadLine();
_demuxerProcessId = DemuxProcess.Id;
// Set the encoder process exit trigger
if (_demuxerProcessId != -1)
{
DemuxProcess.EnableRaisingEvents = true;
DemuxProcess.Exited += DemuxProcessExited;
}
DemuxProcess.PriorityClass = _appConfig.GetProcessPriority();
// Fire the Encode Started Event
InvokeEncodeStarted(EventArgs.Empty);
}
catch (Exception exc)
{
Log.Error(exc);
_currentTask.ExitCode = -1;
IsEncoding = false;
InvokeEncodeCompleted(new EncodeCompletedEventArgs(false, exc, exc.Message));
}
}
/// <summary>
/// Generates AviSynth script used for video encoding
/// </summary>
/// <param name="videoInfo">All video properties</param>
/// <param name="changeFps">Defines whether framerate should be changed</param>
/// <param name="targetFps">Sets target framerate</param>
/// <param name="resizeTo">Sets target video resolution</param>
/// <param name="stereoEncoding">Defines, which stereo encoding mode should be used</param>
/// <param name="stereoVideoInfo">Sets all parameters for stereo encoding</param>
/// <param name="isDvdResolution">Defines whether target resolution is used for DVD encoding</param>
/// <param name="subtitleFile">Sets subtitle file for hardcoding into video</param>
/// <param name="subtitleOnlyForced">Defines whether only forced captions should be hardcoded</param>
/// <param name="skipScaling"></param>
/// <returns>Path to AviSynth script</returns>
public string Generate(VideoInfo videoInfo, bool changeFps, float targetFps, Size resizeTo,
StereoEncoding stereoEncoding, StereoVideoInfo stereoVideoInfo, bool isDvdResolution,
string subtitleFile, bool subtitleOnlyForced, bool skipScaling)
{
var sb = new StringBuilder();
var mtUseful = (videoInfo.Interlaced && _appConfig.UseHQDeinterlace) || changeFps;
var useStereo = stereoEncoding != StereoEncoding.None && stereoVideoInfo.RightStreamId > -1;
// support for multithreaded AviSynth
if (_appConfig.UseAviSynthMT && mtUseful)
{
sb.AppendLine("SetMTMode(2,0)");
sb.AppendLine("SetMemoryMax(512)");
}
var pluginList = new List <string> {
"ffms2.dll"
};
var scriptList = new List <string>();
//loading plugins
if (changeFps || (videoInfo.Interlaced && _appConfig.UseHQDeinterlace))
{
pluginList.Add("mvtools2.dll");
}
if (videoInfo.Interlaced && _appConfig.UseHQDeinterlace)
{
pluginList.Add(_appConfig.LastAviSynthVer.StartsWith("2.5")
? "mt_masktools-25.dll"
: "mt_masktools-26.dll");
pluginList.Add("nnedi3.dll");
pluginList.Add("RemoveGrainSSE2.dll");
pluginList.Add("RepairSSE2.dll");
scriptList.Add("QTGMC-3.32.avsi");
}
else if (videoInfo.Interlaced)
{
pluginList.Add("Decomb.dll");
}
if (useStereo)
{
pluginList.Add("H264StereoSource.dll");
}
if (!string.IsNullOrEmpty(subtitleFile) && File.Exists(subtitleFile))
{
switch (Path.GetExtension(subtitleFile))
{
case "sup":
pluginList.Add("SupTitle.dll");
break;
case "ass":
case "ssa":
case "srt":
pluginList.Add("VSFilter.dll");
break;
}
}
// generate plugin and script loading
foreach (var plugin in pluginList)
{
sb.AppendLine($"LoadPlugin(\"{Path.Combine(_appConfig.AvsPluginsPath, plugin)}\")");
}
foreach (var script in scriptList)
{
sb.AppendLine($"Import(\"{Path.Combine(_appConfig.AvsPluginsPath, script)}\")");
}
//generate rest of the script
// calculate framerate numerator & denominator
if (videoInfo.Fps <= 0)
{
var mi = new MediaInfoContainer();
try
{
mi = GenHelper.GetMediaInfo(videoInfo.TempFile);
}
catch (TimeoutException ex)
{
Log.Error(ex);
mi = new MediaInfoContainer();
}
finally
{
if (mi.Video.Count > 0)
{
videoInfo.Fps = mi.Video[0].FrameRate;
VideoHelper.GetFpsNumDenom(videoInfo.Fps, out videoInfo.FrameRateEnumerator,
out videoInfo.FrameRateDenominator);
if (videoInfo.FrameRateEnumerator == 0)
{
videoInfo.FrameRateEnumerator = (int)Math.Round(videoInfo.Fps) * 1000;
videoInfo.FrameRateDenominator =
(int)(Math.Round(Math.Ceiling(videoInfo.Fps) - Math.Floor(videoInfo.Fps)) + 1000);
}
}
}
}
sb.Append($"FFVideoSource(\"{videoInfo.TempFile}\",");
if (videoInfo.FrameRateEnumerator > 0 && videoInfo.FrameRateDenominator > 0)
{
sb.Append($"fpsnum={videoInfo.FrameRateEnumerator:0},fpsden={videoInfo.FrameRateDenominator:0},");
}
var threadCount = _appConfig.LimitDecoderThreads ? 1 : 0;
sb.Append($"threads={threadCount:0})");
sb.AppendLine();
var stereoVar = string.Empty;
if (useStereo)
{
var configFile = GenerateStereoSourceConfig(stereoVideoInfo);
sb.AppendLine($"VideoRight = H264StereoSource(\"{configFile}\",{videoInfo.FrameCount - 50:0})");
StereoConfigFile = configFile;
stereoVar = "VideoRight";
}
// deinterlace video source
if (videoInfo.Interlaced)
{
if (_appConfig.UseHQDeinterlace)
{
sb.AppendLine("QTGMC(Preset=\"Slower\")");
}
else
{
sb.AppendLine("ConvertToYUY2(interlaced=true)");
sb.AppendLine("Telecide(post=4)");
sb.AppendLine("Crop(4, 0, -4, 0)");
sb.AppendLine("AddBorders(4, 0, 4, 0)");
sb.AppendLine("ConvertToYV12()");
}
}
// hardcode subtitles
if (!string.IsNullOrEmpty(subtitleFile) && File.Exists(subtitleFile))
{
switch (Path.GetExtension(subtitleFile))
{
case "sup":
var subForced = subtitleOnlyForced ? "true" : "false";
sb.Append($"SupTitle(\"{subtitleFile}\", forcedOnly={subForced})");
break;
case "ass":
case "ssa":
case "srt":
sb.Append($"TextSub(\"{subtitleFile}\")");
break;
}
sb.AppendLine();
}
// video cropping
if (!videoInfo.CropRect.IsEmpty && !skipScaling)
{
int temp;
Math.DivRem(videoInfo.CropRect.X, 2, out temp);
videoInfo.CropRect.X += temp;
Math.DivRem(videoInfo.CropRect.Y, 2, out temp);
videoInfo.CropRect.Y += temp;
Math.DivRem(videoInfo.CropRect.Width, 2, out temp);
videoInfo.CropRect.Width += temp;
Math.DivRem(videoInfo.CropRect.Height, 2, out temp);
videoInfo.CropRect.Height += temp;
videoInfo.Height = videoInfo.CropRect.Height;
videoInfo.Width = videoInfo.CropRect.Width;
if ((videoInfo.CropRect.X > 0) || (videoInfo.CropRect.Y > 0) || (videoInfo.CropRect.Width < videoInfo.Width) ||
(videoInfo.CropRect.Height < videoInfo.Height))
{
sb.Append(useStereo ? "CroppedVideoRight = Crop(VideoRight," : "Crop(");
sb.Append($"{videoInfo.CropRect.Left:0},{videoInfo.CropRect.Top:0},");
sb.Append($"{videoInfo.CropRect.Width:0},{videoInfo.CropRect.Height:0})");
sb.AppendLine();
if (useStereo)
{
stereoVar = "CroppedVideoRight";
}
}
}
// Side-By-Side stereo encoding
if (!string.IsNullOrEmpty(stereoVar))
{
switch (stereoEncoding)
{
case StereoEncoding.FullSideBySideLeft:
case StereoEncoding.HalfSideBySideLeft:
sb.AppendLine($"StackHorizontal(last,{stereoVar})");
break;
case StereoEncoding.FullSideBySideRight:
case StereoEncoding.HalfSideBySideRight:
sb.AppendLine($"StackHorizontal({stereoVar},last)");
break;
}
sb.AppendLine("ConvertToYV12()");
}
var calculatedHeight = videoInfo.Height;
var calculatedWidth = videoInfo.Width;
var borderRight = 0;
var borderLeft = 0;
var borderBottom = 0;
var borderTop = 0;
var addBorders = false;
// video resizing
if (!resizeTo.IsEmpty && (resizeTo.Height != videoInfo.Height || resizeTo.Width != videoInfo.Width) && !skipScaling)
{
// aspect ratios
var toAr = (float)Math.Round(resizeTo.Width / (float)resizeTo.Height, 3);
var fromAr = videoInfo.AspectRatio;
var mod = 1f;
calculatedWidth = resizeTo.Width;
if (fromAr > toAr) // source aspectratio higher than target aspectratio
{
if (isDvdResolution)
{
calculatedHeight = (int)(calculatedWidth / fromAr);
if (calculatedHeight > resizeTo.Height)
{
calculatedHeight = resizeTo.Height;
}
calculatedWidth = 720;
}
else
{
calculatedWidth = resizeTo.Width;
calculatedHeight = (int)(calculatedWidth / fromAr);
}
int temp;
Math.DivRem(calculatedWidth, 2, out temp);
calculatedWidth += temp;
Math.DivRem(calculatedHeight, 2, out temp);
calculatedHeight += temp;
if (calculatedHeight != resizeTo.Height)
{
addBorders = true;
var borderHeight = resizeTo.Height - calculatedHeight;
borderTop = borderHeight / 2;
Math.DivRem(borderTop, 2, out temp);
borderTop += temp;
borderBottom = borderHeight - borderTop;
}
}
else if (Math.Abs(fromAr - toAr) <= 0) // source and target aspectratio equals
{
if (isDvdResolution)
{
calculatedHeight = (int)(calculatedWidth / fromAr);
calculatedWidth = 720;
if (calculatedHeight > resizeTo.Height)
{
calculatedHeight = resizeTo.Height;
}
}
else
{
calculatedWidth = resizeTo.Width;
calculatedHeight = (int)(calculatedWidth / toAr);
}
int temp;
Math.DivRem(calculatedWidth, 2, out temp);
calculatedWidth += temp;
Math.DivRem(calculatedHeight, 2, out temp);
calculatedHeight += temp;
if (calculatedHeight != resizeTo.Height)
{
addBorders = true;
var borderHeight = resizeTo.Height - calculatedHeight;
borderTop = borderHeight / 2;
Math.DivRem(borderTop, 2, out temp);
borderTop += temp;
borderBottom = borderHeight - borderTop;
}
}
else
{
if (fromAr > 1.4f && isDvdResolution) // source aspectratio not 4:3, encoding for dvd resolution
{
mod = 720f / resizeTo.Width;
calculatedHeight = (int)(calculatedWidth / fromAr);
if (calculatedHeight > resizeTo.Height)
{
calculatedHeight = resizeTo.Height;
calculatedWidth = (int)(calculatedHeight * fromAr * mod);
}
else
{
calculatedWidth = 720;
}
}
else if (isDvdResolution)
{
calculatedHeight = resizeTo.Height;
calculatedWidth = (int)(calculatedHeight * fromAr);
}
else
{
calculatedHeight = resizeTo.Height;
}
int temp;
Math.DivRem(calculatedWidth, 2, out temp);
calculatedWidth += temp;
Math.DivRem(calculatedHeight, 2, out temp);
calculatedHeight += temp;
if (Math.Abs(toAr - 1.778f) <= 0) // aspectratio 16:9
{
addBorders = true;
var borderHeight = resizeTo.Height - calculatedHeight;
borderTop = borderHeight / 2;
Math.DivRem(borderTop, 2, out temp);
borderTop += temp;
borderBottom = borderHeight - borderTop;
var borderWidth = (int)((resizeTo.Width * mod) - calculatedWidth);
borderLeft = borderWidth / 2;
Math.DivRem(borderLeft, 2, out temp);
borderLeft += temp;
borderRight = borderWidth - borderLeft;
}
else if (calculatedWidth != resizeTo.Width)
{
addBorders = true;
var borderWidth = resizeTo.Width - calculatedWidth;
borderLeft = borderWidth / 2;
Math.DivRem(borderLeft, 2, out temp);
borderLeft += temp;
borderRight = borderWidth - borderLeft;
var borderHeight = resizeTo.Height - calculatedHeight;
borderTop = borderHeight / 2;
Math.DivRem(borderTop, 2, out temp);
borderTop += temp;
borderBottom = borderHeight - borderTop;
}
}
}
// apply resize filter
if (calculatedHeight != videoInfo.Height || calculatedWidth != videoInfo.Width ||
(stereoEncoding == StereoEncoding.HalfSideBySideLeft ||
stereoEncoding == StereoEncoding.HalfSideBySideRight &&
useStereo) && !skipScaling)
{
if (calculatedHeight < videoInfo.Height || calculatedWidth < videoInfo.Width ||
(stereoEncoding == StereoEncoding.HalfSideBySideLeft ||
stereoEncoding == StereoEncoding.HalfSideBySideRight &&
useStereo))
{
sb.Append("BicubicResize");
}
else
{
sb.Append("Lanczos4Resize");
}
sb.Append($"({calculatedWidth:0},{calculatedHeight:0})");
sb.AppendLine();
}
// add borders if needed
if (addBorders && (borderLeft > 0 || borderRight > 0 || borderTop > 0 || borderBottom > 0) && !skipScaling)
{
sb.AppendLine($"AddBorders({borderLeft:0},{borderTop:0},{borderRight:0},{borderBottom:0})");
}
// change framerate
if (changeFps)
{
int fpsnum;
int fpsden;
// get framerate numerator & denominator for target framerate
VideoHelper.GetFpsNumDenom(targetFps, out fpsnum, out fpsden);
// source is 23.976 or 24 fps
if (videoInfo.FrameRateEnumerator == 24000 && (videoInfo.FrameRateDenominator == 1001 || videoInfo.FrameRateDenominator == 1000))
{
if (fpsnum == 30000 && fpsden == 1001)
{
// 3:2 pulldown / telecine
sb.AppendLine("AssumeFrameBased()");
sb.AppendLine("SeparateFields()");
sb.AppendLine("SelectEvery(8, 0, 1, 2, 3, 2, 5, 4, 7, 6, 7)");
sb.AppendLine("Weave()");
}
else if (fpsnum == 25000 && fpsden == 1000)
{
// convert to 25 fps
sb.AppendLine("ConvertToYUY2()");
sb.AppendLine("ConvertFPS(50)");
sb.AppendLine("AssumeTFF()");
sb.AppendLine("SeparateFields()");
sb.AppendLine("SelectEvery(4,0,3)");
sb.AppendLine("Weave()");
sb.AppendLine("ConvertToYV12()");
}
}
// source is 30fps
else if (videoInfo.FrameRateEnumerator == 30000)
{
sb.AppendLine("ConvertToYUY2()");
sb.AppendLine("DoubleWeave()");
sb.AppendLine($"ConvertFPS(numerator={fpsnum * 2:0},denominator={fpsden:0})");
sb.AppendLine("SelectEven()");
sb.AppendLine("ConvertToYV12()");
}
// source is 25fps
else if (videoInfo.FrameRateEnumerator == 25000 && videoInfo.FrameRateDenominator == 1000)
{
if ((fpsnum == 30000 || fpsnum == 24000) && fpsden == 1001)
{
sb.AppendLine("ConvertToYUY2()");
sb.AppendLine("ConvertFPS(numerator=48000,denominator=1001");
if (fpsnum == 30000)
{
sb.AppendLine("AssumeFrameBased()");
sb.AppendLine("SeparateFields()");
sb.AppendLine("SelectEvery(8, 0, 1, 2, 3, 2, 5, 4, 7, 6, 7)");
}
else
{
sb.AppendLine("AssumeTFF()");
sb.AppendLine("SeparateFields()");
sb.AppendLine("SelectEven()");
}
sb.AppendLine("Weave()");
sb.AppendLine("ConvertToYV12()");
}
}
// every other framerate
else
{
// very slow framerate interpolation
sb.AppendLine("super = MSuper(pel=2)");
sb.AppendLine("backward_vec = MAnalyse(super, overlap=4, isb = true, search=3)");
sb.AppendLine("forward_vec = MAnalyse(super, overlap=4, isb = false, search=3)");
sb.Append($"MFlowFps(super, backward_vec, forward_vec, num={fpsnum:0}, den={fpsden:0})");
}
sb.AppendLine();
}
// multithreaded avisynth
if (!_appConfig.UseAviSynthMT || !mtUseful)
{
return(WriteScript(sb.ToString()));
}
sb.AppendLine("SetMTMode(1)");
sb.AppendLine("GetMTMode(false) > 0 ? distributor() : last");
return(WriteScript(sb.ToString()));
}
