MFCreateSinkWriterFromMediaSink

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

HRESULT MFCreateSinkWriterFromMediaSink(
    IMFMediaSink* pMediaSink,
    IMFAttributes* pAttributes,   // optional
    IMFSinkWriter** ppSinkWriter
);

<DllImport("MFReadWrite.dll", ExactSpelling:=True)>
Public Shared Function MFCreateSinkWriterFromMediaSink(
    pMediaSink As IntPtr,   ' IMFMediaSink*
    pAttributes As IntPtr,   ' IMFAttributes* optional
    ppSinkWriter As IntPtr   ' IMFSinkWriter** out
) As Integer
End Function

' pMediaSink : IMFMediaSink*
' pAttributes : IMFAttributes* optional
' ppSinkWriter : IMFSinkWriter** out
Declare PtrSafe Function MFCreateSinkWriterFromMediaSink Lib "mfreadwrite" ( _
    ByVal pMediaSink As LongPtr, _
    ByVal pAttributes As LongPtr, _
    ByVal ppSinkWriter 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

MFCreateSinkWriterFromMediaSink = ctypes.windll.mfreadwrite.MFCreateSinkWriterFromMediaSink
MFCreateSinkWriterFromMediaSink.restype = ctypes.c_int
MFCreateSinkWriterFromMediaSink.argtypes = [
    ctypes.c_void_p,  # pMediaSink : IMFMediaSink*
    ctypes.c_void_p,  # pAttributes : IMFAttributes* optional
    ctypes.c_void_p,  # ppSinkWriter : IMFSinkWriter** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFReadWrite.dll')
MFCreateSinkWriterFromMediaSink = Fiddle::Function.new(
  lib['MFCreateSinkWriterFromMediaSink'],
  [
    Fiddle::TYPE_VOIDP,  # pMediaSink : IMFMediaSink*
    Fiddle::TYPE_VOIDP,  # pAttributes : IMFAttributes* optional
    Fiddle::TYPE_VOIDP,  # ppSinkWriter : IMFSinkWriter** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfreadwrite")]
extern "system" {
    fn MFCreateSinkWriterFromMediaSink(
        pMediaSink: *mut core::ffi::c_void,  // IMFMediaSink*
        pAttributes: *mut core::ffi::c_void,  // IMFAttributes* optional
        ppSinkWriter: *mut *mut core::ffi::c_void  // IMFSinkWriter** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFReadWrite.dll")]
public static extern int MFCreateSinkWriterFromMediaSink(IntPtr pMediaSink, IntPtr pAttributes, IntPtr ppSinkWriter);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFReadWrite_MFCreateSinkWriterFromMediaSink' -Namespace Win32 -PassThru
# $api::MFCreateSinkWriterFromMediaSink(pMediaSink, pAttributes, ppSinkWriter)

#uselib "MFReadWrite.dll"
#func global MFCreateSinkWriterFromMediaSink "MFCreateSinkWriterFromMediaSink" sptr, sptr, sptr
; MFCreateSinkWriterFromMediaSink pMediaSink, pAttributes, ppSinkWriter   ; 戻り値は stat
; pMediaSink : IMFMediaSink* -> "sptr"
; pAttributes : IMFAttributes* optional -> "sptr"
; ppSinkWriter : IMFSinkWriter** 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 "MFReadWrite.dll"
#cfunc global MFCreateSinkWriterFromMediaSink "MFCreateSinkWriterFromMediaSink" sptr, sptr, sptr
; res = MFCreateSinkWriterFromMediaSink(pMediaSink, pAttributes, ppSinkWriter)
; pMediaSink : IMFMediaSink* -> "sptr"
; pAttributes : IMFAttributes* optional -> "sptr"
; ppSinkWriter : IMFSinkWriter** out -> "sptr"

; HRESULT MFCreateSinkWriterFromMediaSink(IMFMediaSink* pMediaSink, IMFAttributes* pAttributes, IMFSinkWriter** ppSinkWriter)
#uselib "MFReadWrite.dll"
#cfunc global MFCreateSinkWriterFromMediaSink "MFCreateSinkWriterFromMediaSink" intptr, intptr, intptr
; res = MFCreateSinkWriterFromMediaSink(pMediaSink, pAttributes, ppSinkWriter)
; pMediaSink : IMFMediaSink* -> "intptr"
; pAttributes : IMFAttributes* optional -> "intptr"
; ppSinkWriter : IMFSinkWriter** out -> "intptr"

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

var (
	mfreadwrite = windows.NewLazySystemDLL("MFReadWrite.dll")
	procMFCreateSinkWriterFromMediaSink = mfreadwrite.NewProc("MFCreateSinkWriterFromMediaSink")
)

// pMediaSink (IMFMediaSink*), pAttributes (IMFAttributes* optional), ppSinkWriter (IMFSinkWriter** out)
r1, _, err := procMFCreateSinkWriterFromMediaSink.Call(
	uintptr(pMediaSink),
	uintptr(pAttributes),
	uintptr(ppSinkWriter),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateSinkWriterFromMediaSink(
  pMediaSink: Pointer;   // IMFMediaSink*
  pAttributes: Pointer;   // IMFAttributes* optional
  ppSinkWriter: Pointer   // IMFSinkWriter** out
): Integer; stdcall;
  external 'MFReadWrite.dll' name 'MFCreateSinkWriterFromMediaSink';

result := DllCall("MFReadWrite\MFCreateSinkWriterFromMediaSink"
    , "Ptr", pMediaSink   ; IMFMediaSink*
    , "Ptr", pAttributes   ; IMFAttributes* optional
    , "Ptr", ppSinkWriter   ; IMFSinkWriter** out
    , "Int")   ; return: HRESULT

●MFCreateSinkWriterFromMediaSink(pMediaSink, pAttributes, ppSinkWriter) = DLL("MFReadWrite.dll", "int MFCreateSinkWriterFromMediaSink(void*, void*, void*)")
# 呼び出し: MFCreateSinkWriterFromMediaSink(pMediaSink, pAttributes, ppSinkWriter)
# pMediaSink : IMFMediaSink* -> "void*"
# pAttributes : IMFAttributes* optional -> "void*"
# ppSinkWriter : IMFSinkWriter** 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)。