MFFOLDDOWN_MATRIX

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct MFFOLDDOWN_MATRIX
{
    public uint cbSize;
    public uint cSrcChannels;
    public uint cDstChannels;
    public uint dwChannelMask;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)] public int[] Coeff;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure MFFOLDDOWN_MATRIX
    Public cbSize As UInteger
    Public cSrcChannels As UInteger
    Public cDstChannels As UInteger
    Public dwChannelMask As UInteger
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=64)> Public Coeff() As Integer
End Structure

import ctypes
from ctypes import wintypes

class MFFOLDDOWN_MATRIX(ctypes.Structure):
    _fields_ = [
        ("cbSize", wintypes.DWORD),
        ("cSrcChannels", wintypes.DWORD),
        ("cDstChannels", wintypes.DWORD),
        ("dwChannelMask", wintypes.DWORD),
        ("Coeff", ctypes.c_int * 64),
    ]

#[repr(C)]
pub struct MFFOLDDOWN_MATRIX {
    pub cbSize: u32,
    pub cSrcChannels: u32,
    pub cDstChannels: u32,
    pub dwChannelMask: u32,
    pub Coeff: [i32; 64],
}

import "golang.org/x/sys/windows"

type MFFOLDDOWN_MATRIX struct {
	cbSize uint32
	cSrcChannels uint32
	cDstChannels uint32
	dwChannelMask uint32
	Coeff [64]int32
}

type
  MFFOLDDOWN_MATRIX = record
    cbSize: DWORD;
    cSrcChannels: DWORD;
    cDstChannels: DWORD;
    dwChannelMask: DWORD;
    Coeff: array[0..63] of Integer;
  end;

const MFFOLDDOWN_MATRIX = extern struct {
    cbSize: u32,
    cSrcChannels: u32,
    cDstChannels: u32,
    dwChannelMask: u32,
    Coeff: [64]i32,
};

type
  MFFOLDDOWN_MATRIX {.bycopy.} = object
    cbSize: uint32
    cSrcChannels: uint32
    cDstChannels: uint32
    dwChannelMask: uint32
    Coeff: array[64, int32]

struct MFFOLDDOWN_MATRIX
{
    uint cbSize;
    uint cSrcChannels;
    uint cDstChannels;
    uint dwChannelMask;
    int[64] Coeff;
}