diff --git a/FFMpegCore/FFMpeg/Arguments/CropArgument.cs b/FFMpegCore/FFMpeg/Arguments/CropArgument.cs new file mode 100644 index 0000000..51ac061 --- /dev/null +++ b/FFMpegCore/FFMpeg/Arguments/CropArgument.cs @@ -0,0 +1,22 @@ +using System.Drawing; + +namespace FFMpegCore.Arguments +{ + public class CropArgument : IArgument + { + public readonly Size? Size; + public readonly int Top; + public readonly int Left; + + public CropArgument(Size? size, int top, int left) + { + Size = size; + Top = top; + Left = left; + } + + public CropArgument(int width, int height, int top, int left) : this(new Size(width, height), top, left) { } + + public string Text => Size == null ? string.Empty : $"-vf crop={Size.Value.Width}:{Size.Value.Height}:{Left}:{Top}"; + } +} diff --git a/FFMpegCore/FFMpeg/FFMpegArgumentOptions.cs b/FFMpegCore/FFMpeg/FFMpegArgumentOptions.cs index 6a6586c..941c1c2 100644 --- a/FFMpegCore/FFMpeg/FFMpegArgumentOptions.cs +++ b/FFMpegCore/FFMpeg/FFMpegArgumentOptions.cs @@ -16,7 +16,10 @@ internal FFMpegArgumentOptions() { } public FFMpegArgumentOptions WithVariableBitrate(int vbr) => WithArgument(new VariableBitRateArgument(vbr)); public FFMpegArgumentOptions Resize(int width, int height) => WithArgument(new SizeArgument(width, height)); public FFMpegArgumentOptions Resize(Size? size) => WithArgument(new SizeArgument(size)); - + public FFMpegArgumentOptions Crop(Size? size, int left, int top) => WithArgument(new CropArgument(size, top, left)); + public FFMpegArgumentOptions Crop(int width, int height, int left, int top) => WithArgument(new CropArgument(new Size(width, height), top, left)); + public FFMpegArgumentOptions Crop(Size? size) => WithArgument(new CropArgument(size, 0, 0)); + public FFMpegArgumentOptions Crop(int width, int height) => WithArgument(new CropArgument(new Size(width, height), 0, 0)); public FFMpegArgumentOptions WithBitStreamFilter(Channel channel, Filter filter) => WithArgument(new BitStreamFilterArgument(channel, filter)); public FFMpegArgumentOptions WithConstantRateFactor(int crf) => WithArgument(new ConstantRateFactorArgument(crf)); public FFMpegArgumentOptions CopyChannel(Channel channel = Channel.Both) => WithArgument(new CopyArgument(channel));