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);
}