MFCreateAC3MediaSink

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

HRESULT MFCreateAC3MediaSink(
    IMFByteStream* pTargetByteStream,
    IMFMediaType* pAudioMediaType,
    IMFMediaSink** ppMediaSink
);

<DllImport("MF.dll", ExactSpelling:=True)>
Public Shared Function MFCreateAC3MediaSink(
    pTargetByteStream As IntPtr,   ' IMFByteStream*
    pAudioMediaType As IntPtr,   ' IMFMediaType*
    ppMediaSink As IntPtr   ' IMFMediaSink** out
) As Integer
End Function

' pTargetByteStream : IMFByteStream*
' pAudioMediaType : IMFMediaType*
' ppMediaSink : IMFMediaSink** out
Declare PtrSafe Function MFCreateAC3MediaSink Lib "mf" ( _
    ByVal pTargetByteStream As LongPtr, _
    ByVal pAudioMediaType As LongPtr, _
    ByVal ppMediaSink 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

MFCreateAC3MediaSink = ctypes.windll.mf.MFCreateAC3MediaSink
MFCreateAC3MediaSink.restype = ctypes.c_int
MFCreateAC3MediaSink.argtypes = [
    ctypes.c_void_p,  # pTargetByteStream : IMFByteStream*
    ctypes.c_void_p,  # pAudioMediaType : IMFMediaType*
    ctypes.c_void_p,  # ppMediaSink : IMFMediaSink** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MF.dll')
MFCreateAC3MediaSink = Fiddle::Function.new(
  lib['MFCreateAC3MediaSink'],
  [
    Fiddle::TYPE_VOIDP,  # pTargetByteStream : IMFByteStream*
    Fiddle::TYPE_VOIDP,  # pAudioMediaType : IMFMediaType*
    Fiddle::TYPE_VOIDP,  # ppMediaSink : IMFMediaSink** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mf")]
extern "system" {
    fn MFCreateAC3MediaSink(
        pTargetByteStream: *mut core::ffi::c_void,  // IMFByteStream*
        pAudioMediaType: *mut core::ffi::c_void,  // IMFMediaType*
        ppMediaSink: *mut *mut core::ffi::c_void  // IMFMediaSink** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MF.dll")]
public static extern int MFCreateAC3MediaSink(IntPtr pTargetByteStream, IntPtr pAudioMediaType, IntPtr ppMediaSink);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MF_MFCreateAC3MediaSink' -Namespace Win32 -PassThru
# $api::MFCreateAC3MediaSink(pTargetByteStream, pAudioMediaType, ppMediaSink)

#uselib "MF.dll"
#func global MFCreateAC3MediaSink "MFCreateAC3MediaSink" sptr, sptr, sptr
; MFCreateAC3MediaSink pTargetByteStream, pAudioMediaType, ppMediaSink   ; 戻り値は stat
; pTargetByteStream : IMFByteStream* -> "sptr"
; pAudioMediaType : IMFMediaType* -> "sptr"
; ppMediaSink : IMFMediaSink** 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 MFCreateAC3MediaSink "MFCreateAC3MediaSink" sptr, sptr, sptr
; res = MFCreateAC3MediaSink(pTargetByteStream, pAudioMediaType, ppMediaSink)
; pTargetByteStream : IMFByteStream* -> "sptr"
; pAudioMediaType : IMFMediaType* -> "sptr"
; ppMediaSink : IMFMediaSink** out -> "sptr"

; HRESULT MFCreateAC3MediaSink(IMFByteStream* pTargetByteStream, IMFMediaType* pAudioMediaType, IMFMediaSink** ppMediaSink)
#uselib "MF.dll"
#cfunc global MFCreateAC3MediaSink "MFCreateAC3MediaSink" intptr, intptr, intptr
; res = MFCreateAC3MediaSink(pTargetByteStream, pAudioMediaType, ppMediaSink)
; pTargetByteStream : IMFByteStream* -> "intptr"
; pAudioMediaType : IMFMediaType* -> "intptr"
; ppMediaSink : IMFMediaSink** out -> "intptr"

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

var (
	mf = windows.NewLazySystemDLL("MF.dll")
	procMFCreateAC3MediaSink = mf.NewProc("MFCreateAC3MediaSink")
)

// pTargetByteStream (IMFByteStream*), pAudioMediaType (IMFMediaType*), ppMediaSink (IMFMediaSink** out)
r1, _, err := procMFCreateAC3MediaSink.Call(
	uintptr(pTargetByteStream),
	uintptr(pAudioMediaType),
	uintptr(ppMediaSink),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateAC3MediaSink(
  pTargetByteStream: Pointer;   // IMFByteStream*
  pAudioMediaType: Pointer;   // IMFMediaType*
  ppMediaSink: Pointer   // IMFMediaSink** out
): Integer; stdcall;
  external 'MF.dll' name 'MFCreateAC3MediaSink';

result := DllCall("MF\MFCreateAC3MediaSink"
    , "Ptr", pTargetByteStream   ; IMFByteStream*
    , "Ptr", pAudioMediaType   ; IMFMediaType*
    , "Ptr", ppMediaSink   ; IMFMediaSink** out
    , "Int")   ; return: HRESULT

●MFCreateAC3MediaSink(pTargetByteStream, pAudioMediaType, ppMediaSink) = DLL("MF.dll", "int MFCreateAC3MediaSink(void*, void*, void*)")
# 呼び出し: MFCreateAC3MediaSink(pTargetByteStream, pAudioMediaType, ppMediaSink)
# pTargetByteStream : IMFByteStream* -> "void*"
# pAudioMediaType : IMFMediaType* -> "void*"
# ppMediaSink : IMFMediaSink** 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)。