/// <summary>
/// <see cref="av_image_fill_pointers(ref byte_ptrArray4, AVPixelFormat, int, byte*, int_array4)"/>
/// </summary>
public static unsafe Ptr4 ToPlaneData(IntPtr sourceData, Int32x4 linesizes, PixelFormat pixelFormat, int height)
{
byte_ptrArray4 ret;
av_image_fill_pointers(ref ret, (AVPixelFormat)pixelFormat, height, (byte *)sourceData, linesizes).ThrowIfError();
return(ret);
}
/// <summary>
/// <see cref="av_image_copy_to_buffer(byte*, int, byte_ptrArray4, int_array4, AVPixelFormat, int, int, int)"/>
/// </summary>
public static unsafe int CopyToBuffer(
PixelFormat pixelFormat,
int width,
int height,
DataPointer dest,
Ptr4 sourceData, Int32x4 sourceLinesize,
int align = 1)
{
return(av_image_copy_to_buffer(
(byte *)dest.Pointer, dest.Length,
sourceData, sourceLinesize,
(AVPixelFormat)pixelFormat,
width, height, align).ThrowIfError());
}
/// <summary>
/// <see cref="sws_scale(SwsContext*, byte*[], int[], int, int, byte*[], int[])"/>
/// </summary>
public void Convert(Ptr4 sourceData, Int32x4 sourceLinesize, int sourceSliceH, Ptr4 destData, Int32x4 destLinesize, int sourceSliceY = 0) =>
sws_scale(this,
srcSlice: sourceData.ToBytePtrArray(), srcStride: sourceLinesize.ToArray(), srcSliceY: sourceSliceY, srcSliceH: sourceSliceH,
destData.ToBytePtrArray(), destLinesize.ToArray()).ThrowIfError();
