DXVA2SW_CALLBACKS

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DXVA2SW_CALLBACKS
{
    public uint Size;
    public IntPtr GetVideoProcessorRenderTargetCount;
    public IntPtr GetVideoProcessorRenderTargets;
    public IntPtr GetVideoProcessorCaps;
    public IntPtr GetVideoProcessorSubStreamFormatCount;
    public IntPtr GetVideoProcessorSubStreamFormats;
    public IntPtr GetProcAmpRange;
    public IntPtr GetFilterPropertyRange;
    public IntPtr CreateVideoProcessDevice;
    public IntPtr DestroyVideoProcessDevice;
    public IntPtr VideoProcessBeginFrame;
    public IntPtr VideoProcessEndFrame;
    public IntPtr VideoProcessSetRenderTarget;
    public IntPtr VideoProcessBlt;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DXVA2SW_CALLBACKS
    Public Size As UInteger
    Public GetVideoProcessorRenderTargetCount As IntPtr
    Public GetVideoProcessorRenderTargets As IntPtr
    Public GetVideoProcessorCaps As IntPtr
    Public GetVideoProcessorSubStreamFormatCount As IntPtr
    Public GetVideoProcessorSubStreamFormats As IntPtr
    Public GetProcAmpRange As IntPtr
    Public GetFilterPropertyRange As IntPtr
    Public CreateVideoProcessDevice As IntPtr
    Public DestroyVideoProcessDevice As IntPtr
    Public VideoProcessBeginFrame As IntPtr
    Public VideoProcessEndFrame As IntPtr
    Public VideoProcessSetRenderTarget As IntPtr
    Public VideoProcessBlt As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class DXVA2SW_CALLBACKS(ctypes.Structure):
    _fields_ = [
        ("Size", wintypes.DWORD),
        ("GetVideoProcessorRenderTargetCount", ctypes.c_void_p),
        ("GetVideoProcessorRenderTargets", ctypes.c_void_p),
        ("GetVideoProcessorCaps", ctypes.c_void_p),
        ("GetVideoProcessorSubStreamFormatCount", ctypes.c_void_p),
        ("GetVideoProcessorSubStreamFormats", ctypes.c_void_p),
        ("GetProcAmpRange", ctypes.c_void_p),
        ("GetFilterPropertyRange", ctypes.c_void_p),
        ("CreateVideoProcessDevice", ctypes.c_void_p),
        ("DestroyVideoProcessDevice", ctypes.c_void_p),
        ("VideoProcessBeginFrame", ctypes.c_void_p),
        ("VideoProcessEndFrame", ctypes.c_void_p),
        ("VideoProcessSetRenderTarget", ctypes.c_void_p),
        ("VideoProcessBlt", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct DXVA2SW_CALLBACKS {
    pub Size: u32,
    pub GetVideoProcessorRenderTargetCount: *mut core::ffi::c_void,
    pub GetVideoProcessorRenderTargets: *mut core::ffi::c_void,
    pub GetVideoProcessorCaps: *mut core::ffi::c_void,
    pub GetVideoProcessorSubStreamFormatCount: *mut core::ffi::c_void,
    pub GetVideoProcessorSubStreamFormats: *mut core::ffi::c_void,
    pub GetProcAmpRange: *mut core::ffi::c_void,
    pub GetFilterPropertyRange: *mut core::ffi::c_void,
    pub CreateVideoProcessDevice: *mut core::ffi::c_void,
    pub DestroyVideoProcessDevice: *mut core::ffi::c_void,
    pub VideoProcessBeginFrame: *mut core::ffi::c_void,
    pub VideoProcessEndFrame: *mut core::ffi::c_void,
    pub VideoProcessSetRenderTarget: *mut core::ffi::c_void,
    pub VideoProcessBlt: *mut core::ffi::c_void,
}

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

type DXVA2SW_CALLBACKS struct {
	Size uint32
	GetVideoProcessorRenderTargetCount uintptr
	GetVideoProcessorRenderTargets uintptr
	GetVideoProcessorCaps uintptr
	GetVideoProcessorSubStreamFormatCount uintptr
	GetVideoProcessorSubStreamFormats uintptr
	GetProcAmpRange uintptr
	GetFilterPropertyRange uintptr
	CreateVideoProcessDevice uintptr
	DestroyVideoProcessDevice uintptr
	VideoProcessBeginFrame uintptr
	VideoProcessEndFrame uintptr
	VideoProcessSetRenderTarget uintptr
	VideoProcessBlt uintptr
}

type
  DXVA2SW_CALLBACKS = record
    Size: DWORD;
    GetVideoProcessorRenderTargetCount: Pointer;
    GetVideoProcessorRenderTargets: Pointer;
    GetVideoProcessorCaps: Pointer;
    GetVideoProcessorSubStreamFormatCount: Pointer;
    GetVideoProcessorSubStreamFormats: Pointer;
    GetProcAmpRange: Pointer;
    GetFilterPropertyRange: Pointer;
    CreateVideoProcessDevice: Pointer;
    DestroyVideoProcessDevice: Pointer;
    VideoProcessBeginFrame: Pointer;
    VideoProcessEndFrame: Pointer;
    VideoProcessSetRenderTarget: Pointer;
    VideoProcessBlt: Pointer;
  end;

const DXVA2SW_CALLBACKS = extern struct {
    Size: u32,
    GetVideoProcessorRenderTargetCount: ?*anyopaque,
    GetVideoProcessorRenderTargets: ?*anyopaque,
    GetVideoProcessorCaps: ?*anyopaque,
    GetVideoProcessorSubStreamFormatCount: ?*anyopaque,
    GetVideoProcessorSubStreamFormats: ?*anyopaque,
    GetProcAmpRange: ?*anyopaque,
    GetFilterPropertyRange: ?*anyopaque,
    CreateVideoProcessDevice: ?*anyopaque,
    DestroyVideoProcessDevice: ?*anyopaque,
    VideoProcessBeginFrame: ?*anyopaque,
    VideoProcessEndFrame: ?*anyopaque,
    VideoProcessSetRenderTarget: ?*anyopaque,
    VideoProcessBlt: ?*anyopaque,
};

type
  DXVA2SW_CALLBACKS {.bycopy.} = object
    Size: uint32
    GetVideoProcessorRenderTargetCount: pointer
    GetVideoProcessorRenderTargets: pointer
    GetVideoProcessorCaps: pointer
    GetVideoProcessorSubStreamFormatCount: pointer
    GetVideoProcessorSubStreamFormats: pointer
    GetProcAmpRange: pointer
    GetFilterPropertyRange: pointer
    CreateVideoProcessDevice: pointer
    DestroyVideoProcessDevice: pointer
    VideoProcessBeginFrame: pointer
    VideoProcessEndFrame: pointer
    VideoProcessSetRenderTarget: pointer
    VideoProcessBlt: pointer

struct DXVA2SW_CALLBACKS
{
    uint Size;
    void* GetVideoProcessorRenderTargetCount;
    void* GetVideoProcessorRenderTargets;
    void* GetVideoProcessorCaps;
    void* GetVideoProcessorSubStreamFormatCount;
    void* GetVideoProcessorSubStreamFormats;
    void* GetProcAmpRange;
    void* GetFilterPropertyRange;
    void* CreateVideoProcessDevice;
    void* DestroyVideoProcessDevice;
    void* VideoProcessBeginFrame;
    void* VideoProcessEndFrame;
    void* VideoProcessSetRenderTarget;
    void* VideoProcessBlt;
}