ホーム › Media.MediaFoundation › MFCreateASFProfile

MFCreateASFProfile

関数

空のASFプロファイルオブジェクトを生成する。

DLLMF.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

HRESULT MFCreateASFProfile(
    IMFASFProfile** ppIProfile
);

パラメーター

名前	型	方向	説明
ppIProfile	IMFASFProfile**	out	生成された空の ASF プロファイル IMFASFProfile を受け取る出力ポインタ。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT MFCreateASFProfile(
    IMFASFProfile** ppIProfile
);

[DllImport("MF.dll", ExactSpelling = true)]
static extern int MFCreateASFProfile(
    IntPtr ppIProfile   // IMFASFProfile** out
);

<DllImport("MF.dll", ExactSpelling:=True)>
Public Shared Function MFCreateASFProfile(
    ppIProfile As IntPtr   ' IMFASFProfile** out
) As Integer
End Function

' ppIProfile : IMFASFProfile** out
Declare PtrSafe Function MFCreateASFProfile Lib "mf" ( _
    ByVal ppIProfile 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

MFCreateASFProfile = ctypes.windll.mf.MFCreateASFProfile
MFCreateASFProfile.restype = ctypes.c_int
MFCreateASFProfile.argtypes = [
    ctypes.c_void_p,  # ppIProfile : IMFASFProfile** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MF.dll')
MFCreateASFProfile = Fiddle::Function.new(
  lib['MFCreateASFProfile'],
  [
    Fiddle::TYPE_VOIDP,  # ppIProfile : IMFASFProfile** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mf")]
extern "system" {
    fn MFCreateASFProfile(
        ppIProfile: *mut *mut core::ffi::c_void  // IMFASFProfile** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MF.dll")]
public static extern int MFCreateASFProfile(IntPtr ppIProfile);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MF_MFCreateASFProfile' -Namespace Win32 -PassThru
# $api::MFCreateASFProfile(ppIProfile)

#uselib "MF.dll"
#func global MFCreateASFProfile "MFCreateASFProfile" sptr
; MFCreateASFProfile ppIProfile   ; 戻り値は stat
; ppIProfile : IMFASFProfile** 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 MFCreateASFProfile "MFCreateASFProfile" sptr
; res = MFCreateASFProfile(ppIProfile)
; ppIProfile : IMFASFProfile** out -> "sptr"

; HRESULT MFCreateASFProfile(IMFASFProfile** ppIProfile)
#uselib "MF.dll"
#cfunc global MFCreateASFProfile "MFCreateASFProfile" intptr
; res = MFCreateASFProfile(ppIProfile)
; ppIProfile : IMFASFProfile** out -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	mf = windows.NewLazySystemDLL("MF.dll")
	procMFCreateASFProfile = mf.NewProc("MFCreateASFProfile")
)

// ppIProfile (IMFASFProfile** out)
r1, _, err := procMFCreateASFProfile.Call(
	uintptr(ppIProfile),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateASFProfile(
  ppIProfile: Pointer   // IMFASFProfile** out
): Integer; stdcall;
  external 'MF.dll' name 'MFCreateASFProfile';

result := DllCall("MF\MFCreateASFProfile"
    , "Ptr", ppIProfile   ; IMFASFProfile** out
    , "Int")   ; return: HRESULT

●MFCreateASFProfile(ppIProfile) = DLL("MF.dll", "int MFCreateASFProfile(void*)")
# 呼び出し: MFCreateASFProfile(ppIProfile)
# ppIProfile : IMFASFProfile** 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)。