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MFCreateContentProtectionDevice
関数指定保護システム用のコンテンツ保護デバイスを生成する。
シグネチャ
// MFPlat.dll
#include <windows.h>
HRESULT MFCreateContentProtectionDevice(
const GUID* ProtectionSystemId,
IMFContentProtectionDevice** ContentProtectionDevice
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| ProtectionSystemId | GUID* | in | IMFContentProtectionDevice インターフェイスを作成する対象のメディア保護システムの識別子。 |
| ContentProtectionDevice | IMFContentProtectionDevice** | out | 作成された IMFContentProtectionDevice インターフェイスへのポインター。 |
戻り値の型: HRESULT
公式ドキュメント
指定したメディア保護システム用の IMFContentProtectionDevice インターフェイスを作成します。
出典・ライセンス: 上記「公式ドキュメント」の内容は Microsoft の Win32 API ドキュメント(MicrosoftDocs/sdk-api)を日本語に翻訳・改変したものです。© Microsoft Corporation. CC BY 4.0 で提供。
Microsoft 公式リファレンス: 英語 (en-us) · 日本語 (ja-jp) · 原文ソース (GitHub)
Microsoft 公式リファレンス: 英語 (en-us) · 日本語 (ja-jp) · 原文ソース (GitHub)
各言語での呼び出し定義
// MFPlat.dll
#include <windows.h>
HRESULT MFCreateContentProtectionDevice(
const GUID* ProtectionSystemId,
IMFContentProtectionDevice** ContentProtectionDevice
);[DllImport("MFPlat.dll", ExactSpelling = true)]
static extern int MFCreateContentProtectionDevice(
ref Guid ProtectionSystemId, // GUID*
IntPtr ContentProtectionDevice // IMFContentProtectionDevice** out
);<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFCreateContentProtectionDevice(
ByRef ProtectionSystemId As Guid, ' GUID*
ContentProtectionDevice As IntPtr ' IMFContentProtectionDevice** out
) As Integer
End Function' ProtectionSystemId : GUID*
' ContentProtectionDevice : IMFContentProtectionDevice** out
Declare PtrSafe Function MFCreateContentProtectionDevice Lib "mfplat" ( _
ByVal ProtectionSystemId As LongPtr, _
ByVal ContentProtectionDevice As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
MFCreateContentProtectionDevice = ctypes.windll.mfplat.MFCreateContentProtectionDevice
MFCreateContentProtectionDevice.restype = ctypes.c_int
MFCreateContentProtectionDevice.argtypes = [
ctypes.c_void_p, # ProtectionSystemId : GUID*
ctypes.c_void_p, # ContentProtectionDevice : IMFContentProtectionDevice** out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('MFPlat.dll')
MFCreateContentProtectionDevice = Fiddle::Function.new(
lib['MFCreateContentProtectionDevice'],
[
Fiddle::TYPE_VOIDP, # ProtectionSystemId : GUID*
Fiddle::TYPE_VOIDP, # ContentProtectionDevice : IMFContentProtectionDevice** out
],
Fiddle::TYPE_INT)#[link(name = "mfplat")]
extern "system" {
fn MFCreateContentProtectionDevice(
ProtectionSystemId: *const GUID, // GUID*
ContentProtectionDevice: *mut *mut core::ffi::c_void // IMFContentProtectionDevice** out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFCreateContentProtectionDevice(ref Guid ProtectionSystemId, IntPtr ContentProtectionDevice);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFCreateContentProtectionDevice' -Namespace Win32 -PassThru
# $api::MFCreateContentProtectionDevice(ProtectionSystemId, ContentProtectionDevice)#uselib "MFPlat.dll"
#func global MFCreateContentProtectionDevice "MFCreateContentProtectionDevice" sptr, sptr
; MFCreateContentProtectionDevice varptr(ProtectionSystemId), ContentProtectionDevice ; 戻り値は stat
; ProtectionSystemId : GUID* -> "sptr"
; ContentProtectionDevice : IMFContentProtectionDevice** out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。出力引数:
#uselib "MFPlat.dll" #cfunc global MFCreateContentProtectionDevice "MFCreateContentProtectionDevice" var, sptr ; res = MFCreateContentProtectionDevice(ProtectionSystemId, ContentProtectionDevice) ; ProtectionSystemId : GUID* -> "var" ; ContentProtectionDevice : IMFContentProtectionDevice** out -> "sptr" ; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "MFPlat.dll" #cfunc global MFCreateContentProtectionDevice "MFCreateContentProtectionDevice" sptr, sptr ; res = MFCreateContentProtectionDevice(varptr(ProtectionSystemId), ContentProtectionDevice) ; ProtectionSystemId : GUID* -> "sptr" ; ContentProtectionDevice : IMFContentProtectionDevice** out -> "sptr" ; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。
出力引数:
; HRESULT MFCreateContentProtectionDevice(GUID* ProtectionSystemId, IMFContentProtectionDevice** ContentProtectionDevice) #uselib "MFPlat.dll" #cfunc global MFCreateContentProtectionDevice "MFCreateContentProtectionDevice" var, intptr ; res = MFCreateContentProtectionDevice(ProtectionSystemId, ContentProtectionDevice) ; ProtectionSystemId : GUID* -> "var" ; ContentProtectionDevice : IMFContentProtectionDevice** out -> "intptr" ; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; HRESULT MFCreateContentProtectionDevice(GUID* ProtectionSystemId, IMFContentProtectionDevice** ContentProtectionDevice) #uselib "MFPlat.dll" #cfunc global MFCreateContentProtectionDevice "MFCreateContentProtectionDevice" intptr, intptr ; res = MFCreateContentProtectionDevice(varptr(ProtectionSystemId), ContentProtectionDevice) ; ProtectionSystemId : GUID* -> "intptr" ; ContentProtectionDevice : IMFContentProtectionDevice** out -> "intptr" ; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。
import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
mfplat = windows.NewLazySystemDLL("MFPlat.dll")
procMFCreateContentProtectionDevice = mfplat.NewProc("MFCreateContentProtectionDevice")
)
// ProtectionSystemId (GUID*), ContentProtectionDevice (IMFContentProtectionDevice** out)
r1, _, err := procMFCreateContentProtectionDevice.Call(
uintptr(ProtectionSystemId),
uintptr(ContentProtectionDevice),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HRESULTfunction MFCreateContentProtectionDevice(
ProtectionSystemId: PGUID; // GUID*
ContentProtectionDevice: Pointer // IMFContentProtectionDevice** out
): Integer; stdcall;
external 'MFPlat.dll' name 'MFCreateContentProtectionDevice';result := DllCall("MFPlat\MFCreateContentProtectionDevice"
, "Ptr", ProtectionSystemId ; GUID*
, "Ptr", ContentProtectionDevice ; IMFContentProtectionDevice** out
, "Int") ; return: HRESULT●MFCreateContentProtectionDevice(ProtectionSystemId, ContentProtectionDevice) = DLL("MFPlat.dll", "int MFCreateContentProtectionDevice(void*, void*)")
# 呼び出し: MFCreateContentProtectionDevice(ProtectionSystemId, ContentProtectionDevice)
# ProtectionSystemId : GUID* -> "void*"
# ContentProtectionDevice : IMFContentProtectionDevice** out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。const std = @import("std");
extern "mfplat" fn MFCreateContentProtectionDevice(
ProtectionSystemId: [*c]GUID, // GUID*
ContentProtectionDevice: ?*anyopaque // IMFContentProtectionDevice** out
) callconv(std.os.windows.WINAPI) i32;proc MFCreateContentProtectionDevice(
ProtectionSystemId: ptr GUID, # GUID*
ContentProtectionDevice: pointer # IMFContentProtectionDevice** out
): int32 {.importc: "MFCreateContentProtectionDevice", stdcall, dynlib: "MFPlat.dll".}pragma(lib, "mfplat");
extern(Windows)
int MFCreateContentProtectionDevice(
GUID* ProtectionSystemId, // GUID*
void* ContentProtectionDevice // IMFContentProtectionDevice** out
);ccall((:MFCreateContentProtectionDevice, "MFPlat.dll"), stdcall, Int32,
(Ptr{GUID}, Ptr{Cvoid}),
ProtectionSystemId, ContentProtectionDevice)
# ProtectionSystemId : GUID* -> Ptr{GUID}
# ContentProtectionDevice : IMFContentProtectionDevice** out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t MFCreateContentProtectionDevice(
void* ProtectionSystemId,
void* ContentProtectionDevice);
]]
local mfplat = ffi.load("mfplat")
-- mfplat.MFCreateContentProtectionDevice(ProtectionSystemId, ContentProtectionDevice)
-- ProtectionSystemId : GUID*
-- ContentProtectionDevice : IMFContentProtectionDevice** out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。const koffi = require('koffi');
const lib = koffi.load('MFPlat.dll');
const MFCreateContentProtectionDevice = lib.func('__stdcall', 'MFCreateContentProtectionDevice', 'int32_t', ['void *', 'void *']);
// MFCreateContentProtectionDevice(ProtectionSystemId, ContentProtectionDevice)
// ProtectionSystemId : GUID* -> 'void *'
// ContentProtectionDevice : IMFContentProtectionDevice** out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。const lib = Deno.dlopen("MFPlat.dll", {
MFCreateContentProtectionDevice: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.MFCreateContentProtectionDevice(ProtectionSystemId, ContentProtectionDevice)
// ProtectionSystemId : GUID* -> "pointer"
// ContentProtectionDevice : IMFContentProtectionDevice** out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。<?php
$ffi = FFI::cdef(<<<C
int32_t MFCreateContentProtectionDevice(
void* ProtectionSystemId,
void* ContentProtectionDevice);
C, "MFPlat.dll");
// $ffi->MFCreateContentProtectionDevice(ProtectionSystemId, ContentProtectionDevice);
// ProtectionSystemId : GUID*
// ContentProtectionDevice : IMFContentProtectionDevice** out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Mfplat extends StdCallLibrary {
Mfplat INSTANCE = Native.load("mfplat", Mfplat.class);
int MFCreateContentProtectionDevice(
Pointer ProtectionSystemId, // GUID*
Pointer ContentProtectionDevice // IMFContentProtectionDevice** out
);
}@[Link("mfplat")]
lib LibMFPlat
fun MFCreateContentProtectionDevice = MFCreateContentProtectionDevice(
ProtectionSystemId : GUID*, # GUID*
ContentProtectionDevice : Void* # IMFContentProtectionDevice** out
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef MFCreateContentProtectionDeviceNative = Int32 Function(Pointer<Void>, Pointer<Void>);
typedef MFCreateContentProtectionDeviceDart = int Function(Pointer<Void>, Pointer<Void>);
final MFCreateContentProtectionDevice = DynamicLibrary.open('MFPlat.dll')
.lookupFunction<MFCreateContentProtectionDeviceNative, MFCreateContentProtectionDeviceDart>('MFCreateContentProtectionDevice');
// ProtectionSystemId : GUID* -> Pointer<Void>
// ContentProtectionDevice : IMFContentProtectionDevice** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function MFCreateContentProtectionDevice(
ProtectionSystemId: PGUID; // GUID*
ContentProtectionDevice: Pointer // IMFContentProtectionDevice** out
): Integer; stdcall;
external 'MFPlat.dll' name 'MFCreateContentProtectionDevice';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "MFCreateContentProtectionDevice"
c_MFCreateContentProtectionDevice :: Ptr () -> Ptr () -> IO Int32
-- ProtectionSystemId : GUID* -> Ptr ()
-- ContentProtectionDevice : IMFContentProtectionDevice** out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。open Ctypes
open Foreign
let mfcreatecontentprotectiondevice =
foreign "MFCreateContentProtectionDevice"
((ptr void) @-> (ptr void) @-> returning int32_t)
(* ProtectionSystemId : GUID* -> (ptr void) *)
(* ContentProtectionDevice : IMFContentProtectionDevice** out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)(cffi:define-foreign-library mfplat (t "MFPlat.dll"))
(cffi:use-foreign-library mfplat)
(cffi:defcfun ("MFCreateContentProtectionDevice" mfcreate-content-protection-device :convention :stdcall) :int32
(protection-system-id :pointer) ; GUID*
(content-protection-device :pointer)) ; IMFContentProtectionDevice** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $MFCreateContentProtectionDevice = Win32::API::More->new('MFPlat',
'int MFCreateContentProtectionDevice(LPVOID ProtectionSystemId, LPVOID ContentProtectionDevice)');
# my $ret = $MFCreateContentProtectionDevice->Call($ProtectionSystemId, $ContentProtectionDevice);
# ProtectionSystemId : GUID* -> LPVOID
# ContentProtectionDevice : IMFContentProtectionDevice** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。