private static string GetFFMpegFilterString(VideoFilterDescriptor filterDesc)
{
switch (filterDesc.Type)
{
case VideoFilterType.HFlip: return("hflip");
case VideoFilterType.VFlip: return("vflip");
case VideoFilterType.Warm: return("curves=r='0/0 .50/.53 1/1':g='0/0 0.50/0.48 1/1':b='0/0 .50/.46 1/1'");
case VideoFilterType.Cold: return("curves=r='0/0 .50/.46 1/1':g='0/0 0.50/0.51 1/1':b='0/0 .50/.54 1/1'");
case VideoFilterType.Dark: return("curves=preset=darker");
case VideoFilterType.Light: return("curves=preset=lighter");
case VideoFilterType.Vintage: return("curves=preset=vintage");
case VideoFilterType.Sepia: return("colorchannelmixer=.393:.769:.189:0:.349:.686:.168:0:.272:.534:.131");
case VideoFilterType.Grayscale: return("eq=saturation=0");
default:
return(null);
}
}
private IDirectXFilterStage Create(VideoFilterDescriptor desc)
{
switch (desc.Type)
{
case VideoFilterType.Warm:
return(DirectXFilterStageLUT.Create(_dx, "warm.png"));
case VideoFilterType.Cold:
return(DirectXFilterStageLUT.Create(_dx, "cool.png"));
case VideoFilterType.Dark:
return(new DirectXFilterStageColorCorrection(_dx, new ColorCorrectionConfig(Brightness: 0.4)));
case VideoFilterType.Light:
return(new DirectXFilterStageColorCorrection(_dx, new ColorCorrectionConfig(Brightness: 0.6)));
case VideoFilterType.Vintage:
return(DirectXFilterStageLUT.Create(_dx, "vintage.png", SingleFrameType.Png, NormalizeValue(desc.Value)));
case VideoFilterType.Sepia:
return(DirectXFilterStageLUT.Create(_dx, "sepia.png", SingleFrameType.Png, NormalizeValue(desc.Value)));
case VideoFilterType.Grayscale:
return(DirectXFilterStageLUT.Create(_dx, "grayscale.png", SingleFrameType.Png, NormalizeValue(desc.Value)));
case VideoFilterType.Contrast:
return(new DirectXFilterStageColorCorrection(_dx, new ColorCorrectionConfig(Contrast: NormalizeValue(desc.Value))));
case VideoFilterType.Brightness:
return(new DirectXFilterStageColorCorrection(_dx, new ColorCorrectionConfig(Brightness: NormalizeValue(desc.Value))));
case VideoFilterType.Saturation:
return(new DirectXFilterStageColorCorrection(_dx, new ColorCorrectionConfig(Saturation: NormalizeValue(desc.Value))));
case VideoFilterType.Gamma:
return(new DirectXFilterStageColorCorrection(_dx, new ColorCorrectionConfig(Gamma: NormalizeValue(desc.Value))));
case VideoFilterType.Hue:
return(new DirectXFilterStageColorCorrection(_dx, new ColorCorrectionConfig(HueShift: NormalizeValue(desc.Value))));
case VideoFilterType.Opacity:
return(new DirectXFilterStageColorCorrection(_dx, new ColorCorrectionConfig(Opacity: NormalizeValue(desc.Value))));
case VideoFilterType.Sharpness:
return(new DirectXFilterStageSharpness(_dx, NormalizeValue(desc.Value)));
case VideoFilterType.UserLut:
return(DirectXFilterStageLUT.Create(_dx, desc.Data.Buffer, desc.Data.Type, NormalizeValue(desc.Value)));
case VideoFilterType.Azure:
return(DirectXFilterStageLUT.Create(_dx, "Azure.png", SingleFrameType.Png, NormalizeValue(desc.Value)));
case VideoFilterType.B_W:
return(DirectXFilterStageLUT.Create(_dx, "B_W.png", SingleFrameType.Png, NormalizeValue(desc.Value)));
case VideoFilterType.Chill:
return(DirectXFilterStageLUT.Create(_dx, "Chill.png", SingleFrameType.Png, NormalizeValue(desc.Value)));
case VideoFilterType.Pastel:
return(DirectXFilterStageLUT.Create(_dx, "Pastel.png", SingleFrameType.Png, NormalizeValue(desc.Value)));
case VideoFilterType.Romantic:
return(DirectXFilterStageLUT.Create(_dx, "Romantic.png", SingleFrameType.Png, NormalizeValue(desc.Value)));
case VideoFilterType.Sapphire:
return(DirectXFilterStageLUT.Create(_dx, "Sapphire.png", SingleFrameType.Png, NormalizeValue(desc.Value)));
case VideoFilterType.Wine:
return(DirectXFilterStageLUT.Create(_dx, "Wine.png", SingleFrameType.Png, NormalizeValue(desc.Value)));
default:
return(null);
}
}
