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MFP_MF_EVENT

構造体
サイズx64: 56 バイト / x86: 32 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

フィールドサイズx64x86説明
headerMFP_EVENT_HEADER32/20+0+0イベント共通情報を示すMFP_EVENT_HEADER。
MFEventTypeDWORD4+32+20元となったMedia Foundationイベントの種別。
pMFMediaEventIMFMediaEvent*8/4+40+24元となったIMFMediaEventへのポインタ。
pMediaItemIMFPMediaItem*8/4+48+28関連するメディア項目を示すIMFPMediaItemへのポインタ。

各言語での定義

#include <windows.h>

// MFP_EVENT_HEADER  (x64 32 / x86 20 バイト)
typedef struct MFP_EVENT_HEADER {
    MFP_EVENT_TYPE eEventType;
    HRESULT hrEvent;
    IMFPMediaPlayer* pMediaPlayer;
    MFP_MEDIAPLAYER_STATE eState;
    IPropertyStore* pPropertyStore;
} MFP_EVENT_HEADER;

// MFP_MF_EVENT  (x64 56 / x86 32 バイト)
typedef struct MFP_MF_EVENT {
    MFP_EVENT_HEADER header;
    DWORD MFEventType;
    IMFMediaEvent* pMFMediaEvent;
    IMFPMediaItem* pMediaItem;
} MFP_MF_EVENT;
using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct MFP_EVENT_HEADER
{
    public int eEventType;
    public int hrEvent;
    public IntPtr pMediaPlayer;
    public int eState;
    public IntPtr pPropertyStore;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct MFP_MF_EVENT
{
    public MFP_EVENT_HEADER header;
    public uint MFEventType;
    public IntPtr pMFMediaEvent;
    public IntPtr pMediaItem;
}
Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure MFP_EVENT_HEADER
    Public eEventType As Integer
    Public hrEvent As Integer
    Public pMediaPlayer As IntPtr
    Public eState As Integer
    Public pPropertyStore As IntPtr
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure MFP_MF_EVENT
    Public header As MFP_EVENT_HEADER
    Public MFEventType As UInteger
    Public pMFMediaEvent As IntPtr
    Public pMediaItem As IntPtr
End Structure
import ctypes
from ctypes import wintypes

class MFP_EVENT_HEADER(ctypes.Structure):
    _fields_ = [
        ("eEventType", ctypes.c_int),
        ("hrEvent", ctypes.c_int),
        ("pMediaPlayer", ctypes.c_void_p),
        ("eState", ctypes.c_int),
        ("pPropertyStore", ctypes.c_void_p),
    ]

class MFP_MF_EVENT(ctypes.Structure):
    _fields_ = [
        ("header", MFP_EVENT_HEADER),
        ("MFEventType", wintypes.DWORD),
        ("pMFMediaEvent", ctypes.c_void_p),
        ("pMediaItem", ctypes.c_void_p),
    ]
#[repr(C)]
pub struct MFP_EVENT_HEADER {
    pub eEventType: i32,
    pub hrEvent: i32,
    pub pMediaPlayer: *mut core::ffi::c_void,
    pub eState: i32,
    pub pPropertyStore: *mut core::ffi::c_void,
}

#[repr(C)]
pub struct MFP_MF_EVENT {
    pub header: MFP_EVENT_HEADER,
    pub MFEventType: u32,
    pub pMFMediaEvent: *mut core::ffi::c_void,
    pub pMediaItem: *mut core::ffi::c_void,
}
import "golang.org/x/sys/windows"

type MFP_EVENT_HEADER struct {
	eEventType int32
	hrEvent int32
	pMediaPlayer uintptr
	eState int32
	pPropertyStore uintptr
}

type MFP_MF_EVENT struct {
	header MFP_EVENT_HEADER
	MFEventType uint32
	pMFMediaEvent uintptr
	pMediaItem uintptr
}
type
  MFP_EVENT_HEADER = record
    eEventType: Integer;
    hrEvent: Integer;
    pMediaPlayer: Pointer;
    eState: Integer;
    pPropertyStore: Pointer;
  end;

  MFP_MF_EVENT = record
    header: MFP_EVENT_HEADER;
    MFEventType: DWORD;
    pMFMediaEvent: Pointer;
    pMediaItem: Pointer;
  end;
const MFP_EVENT_HEADER = extern struct {
    eEventType: i32,
    hrEvent: i32,
    pMediaPlayer: ?*anyopaque,
    eState: i32,
    pPropertyStore: ?*anyopaque,
};

const MFP_MF_EVENT = extern struct {
    header: MFP_EVENT_HEADER,
    MFEventType: u32,
    pMFMediaEvent: ?*anyopaque,
    pMediaItem: ?*anyopaque,
};
type
  MFP_EVENT_HEADER {.bycopy.} = object
    eEventType: int32
    hrEvent: int32
    pMediaPlayer: pointer
    eState: int32
    pPropertyStore: pointer

  MFP_MF_EVENT {.bycopy.} = object
    header: MFP_EVENT_HEADER
    MFEventType: uint32
    pMFMediaEvent: pointer
    pMediaItem: pointer
struct MFP_EVENT_HEADER
{
    int eEventType;
    int hrEvent;
    void* pMediaPlayer;
    int eState;
    void* pPropertyStore;
}

struct MFP_MF_EVENT
{
    MFP_EVENT_HEADER header;
    uint MFEventType;
    void* pMFMediaEvent;
    void* pMediaItem;
}

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)
; MFP_MF_EVENT サイズ: 32 バイト(x86)
dim st, 8    ; 4byte整数×8(構造体サイズ 32 / 4 切り上げ)
; header : MFP_EVENT_HEADER (+0, 20byte)  varptr(st)+0 を基点に操作(20byte:入れ子/配列)
; MFEventType : DWORD (+20, 4byte)  st.5 = 値  /  値 = st.5   (lpoke/lpeek も可)
; pMFMediaEvent : IMFMediaEvent* (+24, 4byte)  st.6 = 値  /  値 = st.6   (lpoke/lpeek も可)
; pMediaItem : IMFPMediaItem* (+28, 4byte)  st.7 = 値  /  値 = st.7   (lpoke/lpeek も可)
; ※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)
; MFP_MF_EVENT サイズ: 56 バイト(x64)
dim st, 14    ; 4byte整数×14(構造体サイズ 56 / 4 切り上げ)
; header : MFP_EVENT_HEADER (+0, 32byte)  varptr(st)+0 を基点に操作(32byte:入れ子/配列)
; MFEventType : DWORD (+32, 4byte)  st.8 = 値  /  値 = st.8   (lpoke/lpeek も可)
; pMFMediaEvent : IMFMediaEvent* (+40, 8byte)  qpoke st,40,値 / qpeek(st,40)  ※IronHSPのみ。3.7/3.8は lpoke st,40,下位 : lpoke st,44,上位
; pMediaItem : IMFPMediaItem* (+48, 8byte)  qpoke st,48,値 / qpeek(st,48)  ※IronHSPのみ。3.7/3.8は lpoke st,48,下位 : lpoke st,52,上位
; ※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 MFP_EVENT_HEADER
    #field int eEventType
    #field int hrEvent
    #field intptr pMediaPlayer
    #field int eState
    #field intptr pPropertyStore
#endstruct

#defstruct global MFP_MF_EVENT
    #field MFP_EVENT_HEADER header
    #field int MFEventType
    #field intptr pMFMediaEvent
    #field intptr pMediaItem
#endstruct

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