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D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO

構造体
サイズx64: 96 バイト / x86: 52 バイト

サイズ=各フィールドのバイト数(x64/x86 で異なる場合は x64/x86 と併記)。x64/x86 列=フィールドのバイトオフセット(HSPで dupptr / lpoke / wpoke 等に使用)。

フィールド

フィールド型サイズx64x86説明
CodecD3D12_VIDEO_ENCODER_CODEC4+0+0入力マップが対応するエンコードコーデックを指定する。
ProfileD3D12_VIDEO_ENCODER_PROFILE_DESC16/8+8+4入力マップが対応するプロファイル記述子を指定する。
LevelD3D12_VIDEO_ENCODER_LEVEL_SETTING16/8+24+12入力マップが対応するコーデックレベル設定を指定する。
InputFormatDXGI_FORMAT4+40+20入力フレームのDXGIピクセルフォーマットを指定する。
InputResolutionD3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC8+44+24入力フレームの解像度を指定する。
CodecConfigurationD3D12_VIDEO_ENCODER_CODEC_CONFIGURATION16/8+56+32入力マップが対応するコーデック構成を指定する。
SubregionFrameEncodingD3D12_VIDEO_ENCODER_FRAME_SUBREGION_LAYOUT_MODE4+72+40入力マップが対応するサブリージョン分割モードを指定する。
SubregionFrameEncodingDataD3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA16/8+80+44選択した分割モードに対応するサブリージョンレイアウトデータを指定する。

各言語での定義

#include <windows.h>

// D3D12_VIDEO_ENCODER_PROFILE_DESC  (x64 16 / x86 8 バイト)
typedef struct D3D12_VIDEO_ENCODER_PROFILE_DESC {
    DWORD DataSize;
    _Anonymous_e__Union Anonymous;
} D3D12_VIDEO_ENCODER_PROFILE_DESC;

// D3D12_VIDEO_ENCODER_LEVEL_SETTING  (x64 16 / x86 8 バイト)
typedef struct D3D12_VIDEO_ENCODER_LEVEL_SETTING {
    DWORD DataSize;
    _Anonymous_e__Union Anonymous;
} D3D12_VIDEO_ENCODER_LEVEL_SETTING;

// D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC  (x64 8 / x86 8 バイト)
typedef struct D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC {
    DWORD Width;
    DWORD Height;
} D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC;

// D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION  (x64 16 / x86 8 バイト)
typedef struct D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION {
    DWORD DataSize;
    _Anonymous_e__Union Anonymous;
} D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION;

// D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA  (x64 16 / x86 8 バイト)
typedef struct D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA {
    DWORD DataSize;
    _Anonymous_e__Union Anonymous;
} D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA;

// D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO  (x64 96 / x86 52 バイト)
typedef struct D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO {
    D3D12_VIDEO_ENCODER_CODEC Codec;
    D3D12_VIDEO_ENCODER_PROFILE_DESC Profile;
    D3D12_VIDEO_ENCODER_LEVEL_SETTING Level;
    DXGI_FORMAT InputFormat;
    D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC InputResolution;
    D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION CodecConfiguration;
    D3D12_VIDEO_ENCODER_FRAME_SUBREGION_LAYOUT_MODE SubregionFrameEncoding;
    D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA SubregionFrameEncodingData;
} D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO;
using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct D3D12_VIDEO_ENCODER_PROFILE_DESC
{
    public uint DataSize;
    public _Anonymous_e__Union Anonymous;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct D3D12_VIDEO_ENCODER_LEVEL_SETTING
{
    public uint DataSize;
    public _Anonymous_e__Union Anonymous;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC
{
    public uint Width;
    public uint Height;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION
{
    public uint DataSize;
    public _Anonymous_e__Union Anonymous;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA
{
    public uint DataSize;
    public _Anonymous_e__Union Anonymous;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO
{
    public int Codec;
    public D3D12_VIDEO_ENCODER_PROFILE_DESC Profile;
    public D3D12_VIDEO_ENCODER_LEVEL_SETTING Level;
    public int InputFormat;
    public D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC InputResolution;
    public D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION CodecConfiguration;
    public int SubregionFrameEncoding;
    public D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA SubregionFrameEncodingData;
}
Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure D3D12_VIDEO_ENCODER_PROFILE_DESC
    Public DataSize As UInteger
    Public Anonymous As _Anonymous_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure D3D12_VIDEO_ENCODER_LEVEL_SETTING
    Public DataSize As UInteger
    Public Anonymous As _Anonymous_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC
    Public Width As UInteger
    Public Height As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION
    Public DataSize As UInteger
    Public Anonymous As _Anonymous_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA
    Public DataSize As UInteger
    Public Anonymous As _Anonymous_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO
    Public Codec As Integer
    Public Profile As D3D12_VIDEO_ENCODER_PROFILE_DESC
    Public Level As D3D12_VIDEO_ENCODER_LEVEL_SETTING
    Public InputFormat As Integer
    Public InputResolution As D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC
    Public CodecConfiguration As D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION
    Public SubregionFrameEncoding As Integer
    Public SubregionFrameEncodingData As D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA
End Structure
import ctypes
from ctypes import wintypes

class D3D12_VIDEO_ENCODER_PROFILE_DESC(ctypes.Structure):
    _fields_ = [
        ("DataSize", wintypes.DWORD),
        ("Anonymous", _Anonymous_e__Union),
    ]

class D3D12_VIDEO_ENCODER_LEVEL_SETTING(ctypes.Structure):
    _fields_ = [
        ("DataSize", wintypes.DWORD),
        ("Anonymous", _Anonymous_e__Union),
    ]

class D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC(ctypes.Structure):
    _fields_ = [
        ("Width", wintypes.DWORD),
        ("Height", wintypes.DWORD),
    ]

class D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION(ctypes.Structure):
    _fields_ = [
        ("DataSize", wintypes.DWORD),
        ("Anonymous", _Anonymous_e__Union),
    ]

class D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA(ctypes.Structure):
    _fields_ = [
        ("DataSize", wintypes.DWORD),
        ("Anonymous", _Anonymous_e__Union),
    ]

class D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO(ctypes.Structure):
    _fields_ = [
        ("Codec", ctypes.c_int),
        ("Profile", D3D12_VIDEO_ENCODER_PROFILE_DESC),
        ("Level", D3D12_VIDEO_ENCODER_LEVEL_SETTING),
        ("InputFormat", ctypes.c_int),
        ("InputResolution", D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC),
        ("CodecConfiguration", D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION),
        ("SubregionFrameEncoding", ctypes.c_int),
        ("SubregionFrameEncodingData", D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA),
    ]
#[repr(C)]
pub struct D3D12_VIDEO_ENCODER_PROFILE_DESC {
    pub DataSize: u32,
    pub Anonymous: _Anonymous_e__Union,
}

#[repr(C)]
pub struct D3D12_VIDEO_ENCODER_LEVEL_SETTING {
    pub DataSize: u32,
    pub Anonymous: _Anonymous_e__Union,
}

#[repr(C)]
pub struct D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC {
    pub Width: u32,
    pub Height: u32,
}

#[repr(C)]
pub struct D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION {
    pub DataSize: u32,
    pub Anonymous: _Anonymous_e__Union,
}

#[repr(C)]
pub struct D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA {
    pub DataSize: u32,
    pub Anonymous: _Anonymous_e__Union,
}

#[repr(C)]
pub struct D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO {
    pub Codec: i32,
    pub Profile: D3D12_VIDEO_ENCODER_PROFILE_DESC,
    pub Level: D3D12_VIDEO_ENCODER_LEVEL_SETTING,
    pub InputFormat: i32,
    pub InputResolution: D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC,
    pub CodecConfiguration: D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION,
    pub SubregionFrameEncoding: i32,
    pub SubregionFrameEncodingData: D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA,
}
import "golang.org/x/sys/windows"

type D3D12_VIDEO_ENCODER_PROFILE_DESC struct {
	DataSize uint32
	Anonymous _Anonymous_e__Union
}

type D3D12_VIDEO_ENCODER_LEVEL_SETTING struct {
	DataSize uint32
	Anonymous _Anonymous_e__Union
}

type D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC struct {
	Width uint32
	Height uint32
}

type D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION struct {
	DataSize uint32
	Anonymous _Anonymous_e__Union
}

type D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA struct {
	DataSize uint32
	Anonymous _Anonymous_e__Union
}

type D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO struct {
	Codec int32
	Profile D3D12_VIDEO_ENCODER_PROFILE_DESC
	Level D3D12_VIDEO_ENCODER_LEVEL_SETTING
	InputFormat int32
	InputResolution D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC
	CodecConfiguration D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION
	SubregionFrameEncoding int32
	SubregionFrameEncodingData D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA
}
type
  D3D12_VIDEO_ENCODER_PROFILE_DESC = record
    DataSize: DWORD;
    Anonymous: _Anonymous_e__Union;
  end;

  D3D12_VIDEO_ENCODER_LEVEL_SETTING = record
    DataSize: DWORD;
    Anonymous: _Anonymous_e__Union;
  end;

  D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC = record
    Width: DWORD;
    Height: DWORD;
  end;

  D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION = record
    DataSize: DWORD;
    Anonymous: _Anonymous_e__Union;
  end;

  D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA = record
    DataSize: DWORD;
    Anonymous: _Anonymous_e__Union;
  end;

  D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO = record
    Codec: Integer;
    Profile: D3D12_VIDEO_ENCODER_PROFILE_DESC;
    Level: D3D12_VIDEO_ENCODER_LEVEL_SETTING;
    InputFormat: Integer;
    InputResolution: D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC;
    CodecConfiguration: D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION;
    SubregionFrameEncoding: Integer;
    SubregionFrameEncodingData: D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA;
  end;
const D3D12_VIDEO_ENCODER_PROFILE_DESC = extern struct {
    DataSize: u32,
    Anonymous: _Anonymous_e__Union,
};

const D3D12_VIDEO_ENCODER_LEVEL_SETTING = extern struct {
    DataSize: u32,
    Anonymous: _Anonymous_e__Union,
};

const D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC = extern struct {
    Width: u32,
    Height: u32,
};

const D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION = extern struct {
    DataSize: u32,
    Anonymous: _Anonymous_e__Union,
};

const D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA = extern struct {
    DataSize: u32,
    Anonymous: _Anonymous_e__Union,
};

const D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO = extern struct {
    Codec: i32,
    Profile: D3D12_VIDEO_ENCODER_PROFILE_DESC,
    Level: D3D12_VIDEO_ENCODER_LEVEL_SETTING,
    InputFormat: i32,
    InputResolution: D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC,
    CodecConfiguration: D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION,
    SubregionFrameEncoding: i32,
    SubregionFrameEncodingData: D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA,
};
type
  D3D12_VIDEO_ENCODER_PROFILE_DESC {.bycopy.} = object
    DataSize: uint32
    Anonymous: _Anonymous_e__Union

  D3D12_VIDEO_ENCODER_LEVEL_SETTING {.bycopy.} = object
    DataSize: uint32
    Anonymous: _Anonymous_e__Union

  D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC {.bycopy.} = object
    Width: uint32
    Height: uint32

  D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION {.bycopy.} = object
    DataSize: uint32
    Anonymous: _Anonymous_e__Union

  D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA {.bycopy.} = object
    DataSize: uint32
    Anonymous: _Anonymous_e__Union

  D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO {.bycopy.} = object
    Codec: int32
    Profile: D3D12_VIDEO_ENCODER_PROFILE_DESC
    Level: D3D12_VIDEO_ENCODER_LEVEL_SETTING
    InputFormat: int32
    InputResolution: D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC
    CodecConfiguration: D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION
    SubregionFrameEncoding: int32
    SubregionFrameEncodingData: D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA
struct D3D12_VIDEO_ENCODER_PROFILE_DESC
{
    uint DataSize;
    _Anonymous_e__Union Anonymous;
}

struct D3D12_VIDEO_ENCODER_LEVEL_SETTING
{
    uint DataSize;
    _Anonymous_e__Union Anonymous;
}

struct D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC
{
    uint Width;
    uint Height;
}

struct D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION
{
    uint DataSize;
    _Anonymous_e__Union Anonymous;
}

struct D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA
{
    uint DataSize;
    _Anonymous_e__Union Anonymous;
}

struct D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO
{
    int Codec;
    D3D12_VIDEO_ENCODER_PROFILE_DESC Profile;
    D3D12_VIDEO_ENCODER_LEVEL_SETTING Level;
    int InputFormat;
    D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC InputResolution;
    D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION CodecConfiguration;
    int SubregionFrameEncoding;
    D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA SubregionFrameEncodingData;
}

HSP用 定義

HSP3.7/3.8 は構造体機能が無いため4byte整数配列(dim)+peek/poke で操作(32/64bitでサイズ・位置が異なる場合はタブで分割)。IronHSP は NSTRUCT(#defstruct/stdim/->)で32/64bit共通。

; HSP3.7/3.8 は構造体機能が無いため、4byte整数の配列変数で操作します。(x86 レイアウト)
; D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO サイズ: 52 バイト(x86)
dim st, 13    ; 4byte整数×13(構造体サイズ 52 / 4 切り上げ)
; Codec : D3D12_VIDEO_ENCODER_CODEC (+0, 4byte)  st.0 = 値  /  値 = st.0   (lpoke/lpeek も可)
; Profile : D3D12_VIDEO_ENCODER_PROFILE_DESC (+4, 8byte)  varptr(st)+4 を基点に操作(8byte:入れ子/配列)
; Level : D3D12_VIDEO_ENCODER_LEVEL_SETTING (+12, 8byte)  varptr(st)+12 を基点に操作(8byte:入れ子/配列)
; InputFormat : DXGI_FORMAT (+20, 4byte)  st.5 = 値  /  値 = st.5   (lpoke/lpeek も可)
; InputResolution : D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC (+24, 8byte)  varptr(st)+24 を基点に操作(8byte:入れ子/配列)
; CodecConfiguration : D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION (+32, 8byte)  varptr(st)+32 を基点に操作(8byte:入れ子/配列)
; SubregionFrameEncoding : D3D12_VIDEO_ENCODER_FRAME_SUBREGION_LAYOUT_MODE (+40, 4byte)  st.10 = 値  /  値 = st.10   (lpoke/lpeek も可)
; SubregionFrameEncodingData : D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA (+44, 8byte)  varptr(st)+44 を基点に操作(8byte:入れ子/配列)
; ※4byte境界の整数は添字 st.N(N=オフセット/4)で読み書き可。それ以外は peek/poke 系を使用。
; HSP3.7/3.8 は構造体機能が無いため、4byte整数の配列変数で操作します。(x64 レイアウト)
; D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO サイズ: 96 バイト(x64)
dim st, 24    ; 4byte整数×24(構造体サイズ 96 / 4 切り上げ)
; Codec : D3D12_VIDEO_ENCODER_CODEC (+0, 4byte)  st.0 = 値  /  値 = st.0   (lpoke/lpeek も可)
; Profile : D3D12_VIDEO_ENCODER_PROFILE_DESC (+8, 16byte)  varptr(st)+8 を基点に操作(16byte:入れ子/配列)
; Level : D3D12_VIDEO_ENCODER_LEVEL_SETTING (+24, 16byte)  varptr(st)+24 を基点に操作(16byte:入れ子/配列)
; InputFormat : DXGI_FORMAT (+40, 4byte)  st.10 = 値  /  値 = st.10   (lpoke/lpeek も可)
; InputResolution : D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC (+44, 8byte)  varptr(st)+44 を基点に操作(8byte:入れ子/配列)
; CodecConfiguration : D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION (+56, 16byte)  varptr(st)+56 を基点に操作(16byte:入れ子/配列)
; SubregionFrameEncoding : D3D12_VIDEO_ENCODER_FRAME_SUBREGION_LAYOUT_MODE (+72, 4byte)  st.18 = 値  /  値 = st.18   (lpoke/lpeek も可)
; SubregionFrameEncodingData : D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA (+80, 16byte)  varptr(st)+80 を基点に操作(16byte:入れ子/配列)
; ※4byte境界の整数は添字 st.N(N=オフセット/4)で読み書き可。それ以外は peek/poke 系を使用。
; IronHSP は NSTRUCT(構造体)をサポート。32bit/64bit どちらでも同じコードで動作します。
; ※GUID・入れ子構造体はデフォルト型でないため、依存する #defstruct を先に定義(下記に同梱)。
#defstruct global D3D12_VIDEO_ENCODER_PROFILE_DESC
    #field int DataSize
    #field byte Anonymous 8
#endstruct

#defstruct global D3D12_VIDEO_ENCODER_LEVEL_SETTING
    #field int DataSize
    #field byte Anonymous 8
#endstruct

#defstruct global D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC
    #field int Width
    #field int Height
#endstruct

#defstruct global D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION
    #field int DataSize
    #field byte Anonymous 8
#endstruct

#defstruct global D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA
    #field int DataSize
    #field byte Anonymous 8
#endstruct

#defstruct global D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO
    #field int Codec
    #field D3D12_VIDEO_ENCODER_PROFILE_DESC Profile
    #field D3D12_VIDEO_ENCODER_LEVEL_SETTING Level
    #field int InputFormat
    #field D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC InputResolution
    #field D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION CodecConfiguration
    #field int SubregionFrameEncoding
    #field D3D12_VIDEO_ENCODER_PICTURE_CONTROL_SUBREGIONS_LAYOUT_DATA SubregionFrameEncodingData
#endstruct

stdim st, D3D12_VIDEO_ENCODER_INPUT_MAP_SESSION_INFO        ; NSTRUCT 変数を確保
st->Codec = 100
mes "Codec=" + st->Codec