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Add CropArgument

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Add the option to crop the video to a given size.
This commit is contained in:
Brett Baker 2024-11-02 07:34:21 -04:00
parent c4232b7ca0
commit 72eddfca6d
2 changed files with 26 additions and 1 deletions
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22
FFMpegCore/FFMpeg/Arguments/CropArgument.cs Normal file
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@ -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}";
}
}

5
FFMpegCore/FFMpeg/FFMpegArgumentOptions.cs
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@ -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));