/// <summary>
/// Creates an AviSynth script that will auto-pitch the audio to 432hz. You then open this script file in the video player instead of directly opening the file.
/// </summary>
/// <param name="inputFile">The video to play.</param>
/// <param name="infoReader">An object to read media information.</param>
public static void CreateScript(string inputFile, MediaInfoReader infoReader) {
bool AviSynthPlus = MpcConfigBusiness.GetAviSynthVersion() == AviSynthVersion.AviSynthPlus;
AviSynthScriptBuilder Script = new AviSynthScriptBuilder();
Script.AddPluginPath();
if (AviSynthPlus) {
//Script.AppendLine(@"SetFilterMTMode(""DEFAULT_MT_MODE"",2)");
//Script.AppendLine(@"SetFilterMTMode(""LWLibavVideoSource"",3)");
//Script.AppendLine(@"SetFilterMTMode(""LWLibavAudioSource"",3)");
Script.OpenDirect(inputFile, Settings.AutoPitchCache, !string.IsNullOrEmpty(infoReader.AudioFormat), 0);
Script.AppendLine("Preroll(int(FrameRate*3))");
// This causes a slight audio delay in AviSynth 2.6
Script.LoadPluginDll("TimeStretch.dll");
Script.AppendLine("ResampleAudio(48000)");
Script.AppendLine("TimeStretchPlugin(pitch = 100.0 * 0.98181819915771484)");
//Script.AppendLine("Prefetch({0})", CPU);
} else {
int CPU = Environment.ProcessorCount / 2;
Script.AppendLine("SetMTMode(3,{0})", CPU);
Script.OpenDirect(inputFile, Settings.AutoPitchCache, !string.IsNullOrEmpty(infoReader.AudioFormat), CPU);
Script.AppendLine("SetMTMode(2)");
Script.AppendLine("Preroll(int(FrameRate*3))");
//Script.AppendLine("Loop(int(FrameRate/2), 0, 0)");
//Script.LoadPluginAvsi("UUSize4.avsi");
//Script.AppendLine("UUSize4(mod=4)");
// This slightly slows down playback speed but audio stays in sync
Script.AppendLine("V = AssumeFPS(432.0 / 440.0 * FrameRate)");
Script.AppendLine("A = AssumeSampleRate(int(432.0 / 440.0 * AudioRate))");
Script.AppendLine("AudioDub(V, A)");
}
Script.Cleanup();
Script.WriteToFile(Settings.AutoPitchFile);
File.Delete(Settings.AutoPitchCache);
}
public AviSynthScriptBuilder GenerateVideoScript(MediaEncoderSettings settings, string inputFile, bool preview, bool multiThreaded) {
int CPU = Environment.ProcessorCount;
if (CPU <= 1)
multiThreaded = false;
bool AviSynthPlus = (Settings.EncoderAviSynthVersion == AviSynthVersion.AviSynthPlus);
// multiThreaded = true;
settings.CalculateSize();
// 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();
bool IsYV24 = false;
Script.AppendLine(); // After clean-up, this adds a line after LoadPlugin commands.
Script.AddPluginPath();
if (multiThreaded) {
// Script.AppendLine("Setmemorymax(1500)");
if (AviSynthPlus) {
Script.LoadPluginAvsi("AviSynthMT.avsi");
//Script.AppendLine(@"SetFilterMTMode(""DEFAULT_MT_MODE"",2)");
//Script.AppendLine(@"SetFilterMTMode(""LWLibavVideoSource"",3)");
//Script.AppendLine(@"SetFilterMTMode(""LWLibavAudioSource"",3)");
//if (settings.Denoise1)
// Script.AppendLine(@"SetFilterMTMode(""KNLMeansCL"",3)");
} else {
Script.AppendLine("SetMTMode(3,{0})", CPU);
}
}
if (settings.ConvertToAvi || inputFile.ToLower().EndsWith(".avi"))
Script.OpenAvi(inputFile, !string.IsNullOrEmpty(settings.SourceAudioFormat));
else
Script.OpenDirect(inputFile, null, !string.IsNullOrEmpty(settings.SourceAudioFormat), 1);
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 && !preview ? (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);
}
if (settings.Denoise1) {
if (GpuSupport == SupportedOpenClVersion.v12)
Script.LoadPluginDll("KNLMeansCL.dll");
else
Script.LoadPluginDll("KNLMeansCL-6.11.dll");
Script.AppendLine("ConvertToYV24()");
IsYV24 = true;
if (multiThreaded && !AviSynthPlus)
Script.AppendLine("SetMTMode(5)");
Script.AppendLine(CultureInfo.InvariantCulture, @"KNLMeansCL(D=1, A=2, h={0}, cmode=true, device_type=""{1}""{2})",
((double)settings.Denoise1Strength / 10).ToString(CultureInfo.InvariantCulture),
GpuSupport != SupportedOpenClVersion.None ? "GPU" : "CPU",
GpuSupport != SupportedOpenClVersion.None ? ", device_id=" + Settings.SavedFile.GraphicDeviceId.ToString() : "");
}
if (multiThreaded && !AviSynthPlus)
Script.AppendLine("SetMTMode(2)");
if (settings.FrameDouble > 0 || settings.SourceColorMatrix == ColorMatrix.Rec601) {
Script.LoadPluginDll("Shaders\\Shader.dll");
Script.LoadPluginAvsi("Shaders\\Shader.avsi");
}
bool HasNoShader = (!settings.SuperRes && settings.UpscaleMethod == UpscaleMethods.NNedi3 && settings.DownscaleMethod == DownscaleMethods.Bicubic);
if (settings.SourceColorMatrix == ColorMatrix.Rec601 && settings.FrameDouble == 0 || HasNoShader) {
Script.AppendLine("ColorMatrixShader(MatrixIn=\"601\")");
}
if (settings.Denoise2) {
Script.LoadPluginDll("FFT3DFilter.dll");
Script.AppendLine(CultureInfo.InvariantCulture, @"fft3dfilter(sigma={0}, bt=5, bw=48, bh=48, ow=24, oh=24, sharpen={1})",
((double)settings.Denoise2Strength / 10).ToString(CultureInfo.InvariantCulture),
(double)settings.Denoise2Sharpen / 100);
}
if (settings.FrameDouble > 0) {
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");
bool IsLastDouble = false;
if (settings.UpscaleMethod == UpscaleMethods.NNedi3) {
if (IsYV24) {
Script.AppendLine("ConvertToYV12()");
IsYV24 = false;
}
Script.LoadPluginDll("nnedi3.dll");
//Script.LoadPluginDll("FTurn.dll");
Script.LoadPluginAvsi("edi_rpow2.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})",
settings.SuperRes3Passes ? (i == 0 && settings.FrameDouble > 1 ? 5 : 3) : 2,
settings.SuperResStrength / 100f, settings.SuperResSoftness / 100f, DoubleScript,
i == 0 && settings.SourceColorMatrix == ColorMatrix.Rec601 ? ", MatrixIn=\"601\"" : "",
IsLastDouble && settings.DownscaleMethod == DownscaleMethods.SSim ? ", " + FinalResize : "");
} else {
Script.AppendLine(DoubleScript);
if (IsLastDouble && settings.DownscaleMethod == DownscaleMethods.SSim) {
Script.AppendLine("SSimDownscaler({0}{1})",
FinalResize.Replace(" f", " ").Replace("fW", "W"), // Use same string as FinalResize but remove 'f' parameter sufix.
settings.SourceColorMatrix == ColorMatrix.Rec601 ? ", MatrixIn=\"601\"" : "");
}
}
if (i == 0 && settings.IncreaseFrameRate)
ApplyInterFrame(Script, settings, CPU);
}
} else { // UpscaleMethod == SuperXBR
for (int i = 0; i < settings.FrameDouble; i++) {
IsLastDouble = i == settings.FrameDouble - 1;
if (settings.SuperRes) {
Script.AppendLine(CultureInfo.InvariantCulture, @"SuperResXBR({0}, {1}, {2}, XbrStr={3}, XbrSharp={4}{5}{6})",
settings.SuperRes3Passes ? (i == 0 && settings.FrameDouble > 1 ? 5 : 3) : 2,
settings.SuperResStrength / 100f, settings.SuperResSoftness / 100f,
settings.SuperXbrStrength / 10f, settings.SuperXbrSharpness / 10f,
i == 0 && settings.SourceColorMatrix == ColorMatrix.Rec601 ? ", MatrixIn=\"601\"" : "",
IsLastDouble ? ", " + FinalResize : "");
} else {
Script.AppendLine("SuperXBR(Str={0}, Sharp={1}{2}{3})",
settings.SuperXbrStrength / 10f, settings.SuperXbrSharpness / 10f,
i == 0 && settings.SourceColorMatrix == ColorMatrix.Rec601 ? ", MatrixIn=\"601\"" : "",
IsLastDouble ? ", " + FinalResize : "");
}
if (i == 0 && settings.IncreaseFrameRate) {
if (IsYV24) {
Script.AppendLine("ConvertToYV12()");
IsYV24 = false;
}
ApplyInterFrame(Script, settings, CPU);
}
}
}
}
if (IsYV24) {
Script.AppendLine("ConvertToYV12()");
IsYV24 = false;
}
if (settings.FrameDouble == 0 && settings.IncreaseFrameRate)
ApplyInterFrame(Script, settings, CPU);
Script.LoadPluginAvsi("ResizeX.avsi");
if (settings.CropAfter.HasValue || settings.FrameDouble == 0) {
bool ApplyResize = settings.FrameDouble == 0 || HasNoShader;
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" : "");
}
if (preview) {
if (settings.Crop)
Script.AppendLine("AddBorders(2, 2, 2, 2, $FFFFFF)");
Script.AppendLine(@"ConvertToRGB32(matrix=""Rec709"")");
}
if (multiThreaded && AviSynthPlus)
Script.AppendLine("Prefetch({0})", CPU);
Script.Cleanup();
return Script;
}