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MFCreatePMPMediaSession

関数
保護メディアパス対応のメディアセッションを生成する。
DLLMF.dll呼出規約winapi対応OSWindows Vista 以降
📘 Microsoft Learn (日本語) · English

シグネチャ

// MF.dll
#include <windows.h>

HRESULT MFCreatePMPMediaSession(
    DWORD dwCreationFlags,
    IMFAttributes* pConfiguration,
    IMFMediaSession** ppMediaSession,
    IMFActivate** ppEnablerActivate   // optional
);

パラメーター

名前型方向説明
dwCreationFlagsDWORDinPMP(保護メディアパス)セッションの生成フラグ。MFPMPSESSION_UNPROTECTED_PROCESS等を指定する。
pConfigurationIMFAttributes*inセッションの構成属性を示すIMFAttributesへのポインター。NULL可。
ppMediaSessionIMFMediaSession**out生成されたIMFMediaSessionインターフェイスを受け取るポインター。
ppEnablerActivateIMFActivate**outoptionalコンテンツ有効化が必要な場合に返されるIMFActivateを受け取るポインター。

戻り値の型: HRESULT

各言語での呼び出し定義

// MF.dll
#include <windows.h>

HRESULT MFCreatePMPMediaSession(
    DWORD dwCreationFlags,
    IMFAttributes* pConfiguration,
    IMFMediaSession** ppMediaSession,
    IMFActivate** ppEnablerActivate   // optional
);
[DllImport("MF.dll", ExactSpelling = true)]
static extern int MFCreatePMPMediaSession(
    uint dwCreationFlags,   // DWORD
    IntPtr pConfiguration,   // IMFAttributes*
    IntPtr ppMediaSession,   // IMFMediaSession** out
    IntPtr ppEnablerActivate   // IMFActivate** optional, out
);
<DllImport("MF.dll", ExactSpelling:=True)>
Public Shared Function MFCreatePMPMediaSession(
    dwCreationFlags As UInteger,   ' DWORD
    pConfiguration As IntPtr,   ' IMFAttributes*
    ppMediaSession As IntPtr,   ' IMFMediaSession** out
    ppEnablerActivate As IntPtr   ' IMFActivate** optional, out
) As Integer
End Function
' dwCreationFlags : DWORD
' pConfiguration : IMFAttributes*
' ppMediaSession : IMFMediaSession** out
' ppEnablerActivate : IMFActivate** optional, out
Declare PtrSafe Function MFCreatePMPMediaSession Lib "mf" ( _
    ByVal dwCreationFlags As Long, _
    ByVal pConfiguration As LongPtr, _
    ByVal ppMediaSession As LongPtr, _
    ByVal ppEnablerActivate 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

MFCreatePMPMediaSession = ctypes.windll.mf.MFCreatePMPMediaSession
MFCreatePMPMediaSession.restype = ctypes.c_int
MFCreatePMPMediaSession.argtypes = [
    wintypes.DWORD,  # dwCreationFlags : DWORD
    ctypes.c_void_p,  # pConfiguration : IMFAttributes*
    ctypes.c_void_p,  # ppMediaSession : IMFMediaSession** out
    ctypes.c_void_p,  # ppEnablerActivate : IMFActivate** optional, out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MF.dll')
MFCreatePMPMediaSession = Fiddle::Function.new(
  lib['MFCreatePMPMediaSession'],
  [
    -Fiddle::TYPE_INT,  # dwCreationFlags : DWORD
    Fiddle::TYPE_VOIDP,  # pConfiguration : IMFAttributes*
    Fiddle::TYPE_VOIDP,  # ppMediaSession : IMFMediaSession** out
    Fiddle::TYPE_VOIDP,  # ppEnablerActivate : IMFActivate** optional, out
  ],
  Fiddle::TYPE_INT)
#[link(name = "mf")]
extern "system" {
    fn MFCreatePMPMediaSession(
        dwCreationFlags: u32,  // DWORD
        pConfiguration: *mut core::ffi::c_void,  // IMFAttributes*
        ppMediaSession: *mut *mut core::ffi::c_void,  // IMFMediaSession** out
        ppEnablerActivate: *mut *mut core::ffi::c_void  // IMFActivate** optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("MF.dll")]
public static extern int MFCreatePMPMediaSession(uint dwCreationFlags, IntPtr pConfiguration, IntPtr ppMediaSession, IntPtr ppEnablerActivate);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MF_MFCreatePMPMediaSession' -Namespace Win32 -PassThru
# $api::MFCreatePMPMediaSession(dwCreationFlags, pConfiguration, ppMediaSession, ppEnablerActivate)
#uselib "MF.dll"
#func global MFCreatePMPMediaSession "MFCreatePMPMediaSession" sptr, sptr, sptr, sptr
; MFCreatePMPMediaSession dwCreationFlags, pConfiguration, ppMediaSession, ppEnablerActivate   ; 戻り値は stat
; dwCreationFlags : DWORD -> "sptr"
; pConfiguration : IMFAttributes* -> "sptr"
; ppMediaSession : IMFMediaSession** out -> "sptr"
; ppEnablerActivate : IMFActivate** optional, 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。
#uselib "MF.dll"
#cfunc global MFCreatePMPMediaSession "MFCreatePMPMediaSession" int, sptr, sptr, sptr
; res = MFCreatePMPMediaSession(dwCreationFlags, pConfiguration, ppMediaSession, ppEnablerActivate)
; dwCreationFlags : DWORD -> "int"
; pConfiguration : IMFAttributes* -> "sptr"
; ppMediaSession : IMFMediaSession** out -> "sptr"
; ppEnablerActivate : IMFActivate** optional, out -> "sptr"
; HRESULT MFCreatePMPMediaSession(DWORD dwCreationFlags, IMFAttributes* pConfiguration, IMFMediaSession** ppMediaSession, IMFActivate** ppEnablerActivate)
#uselib "MF.dll"
#cfunc global MFCreatePMPMediaSession "MFCreatePMPMediaSession" int, intptr, intptr, intptr
; res = MFCreatePMPMediaSession(dwCreationFlags, pConfiguration, ppMediaSession, ppEnablerActivate)
; dwCreationFlags : DWORD -> "int"
; pConfiguration : IMFAttributes* -> "intptr"
; ppMediaSession : IMFMediaSession** out -> "intptr"
; ppEnablerActivate : IMFActivate** optional, out -> "intptr"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	mf = windows.NewLazySystemDLL("MF.dll")
	procMFCreatePMPMediaSession = mf.NewProc("MFCreatePMPMediaSession")
)

// dwCreationFlags (DWORD), pConfiguration (IMFAttributes*), ppMediaSession (IMFMediaSession** out), ppEnablerActivate (IMFActivate** optional, out)
r1, _, err := procMFCreatePMPMediaSession.Call(
	uintptr(dwCreationFlags),
	uintptr(pConfiguration),
	uintptr(ppMediaSession),
	uintptr(ppEnablerActivate),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function MFCreatePMPMediaSession(
  dwCreationFlags: DWORD;   // DWORD
  pConfiguration: Pointer;   // IMFAttributes*
  ppMediaSession: Pointer;   // IMFMediaSession** out
  ppEnablerActivate: Pointer   // IMFActivate** optional, out
): Integer; stdcall;
  external 'MF.dll' name 'MFCreatePMPMediaSession';
result := DllCall("MF\MFCreatePMPMediaSession"
    , "UInt", dwCreationFlags   ; DWORD
    , "Ptr", pConfiguration   ; IMFAttributes*
    , "Ptr", ppMediaSession   ; IMFMediaSession** out
    , "Ptr", ppEnablerActivate   ; IMFActivate** optional, out
    , "Int")   ; return: HRESULT
●MFCreatePMPMediaSession(dwCreationFlags, pConfiguration, ppMediaSession, ppEnablerActivate) = DLL("MF.dll", "int MFCreatePMPMediaSession(dword, void*, void*, void*)")
# 呼び出し: MFCreatePMPMediaSession(dwCreationFlags, pConfiguration, ppMediaSession, ppEnablerActivate)
# dwCreationFlags : DWORD -> "dword"
# pConfiguration : IMFAttributes* -> "void*"
# ppMediaSession : IMFMediaSession** out -> "void*"
# ppEnablerActivate : IMFActivate** optional, 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)。