MFCreateTranscodeTopology

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

HRESULT MFCreateTranscodeTopology(
    IMFMediaSource* pSrc,
    LPCWSTR pwszOutputFilePath,
    IMFTranscodeProfile* pProfile,
    IMFTopology** ppTranscodeTopo
);

<DllImport("MF.dll", ExactSpelling:=True)>
Public Shared Function MFCreateTranscodeTopology(
    pSrc As IntPtr,   ' IMFMediaSource*
    <MarshalAs(UnmanagedType.LPWStr)> pwszOutputFilePath As String,   ' LPCWSTR
    pProfile As IntPtr,   ' IMFTranscodeProfile*
    ppTranscodeTopo As IntPtr   ' IMFTopology** out
) As Integer
End Function

' pSrc : IMFMediaSource*
' pwszOutputFilePath : LPCWSTR
' pProfile : IMFTranscodeProfile*
' ppTranscodeTopo : IMFTopology** out
Declare PtrSafe Function MFCreateTranscodeTopology Lib "mf" ( _
    ByVal pSrc As LongPtr, _
    ByVal pwszOutputFilePath As LongPtr, _
    ByVal pProfile As LongPtr, _
    ByVal ppTranscodeTopo 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

MFCreateTranscodeTopology = ctypes.windll.mf.MFCreateTranscodeTopology
MFCreateTranscodeTopology.restype = ctypes.c_int
MFCreateTranscodeTopology.argtypes = [
    ctypes.c_void_p,  # pSrc : IMFMediaSource*
    wintypes.LPCWSTR,  # pwszOutputFilePath : LPCWSTR
    ctypes.c_void_p,  # pProfile : IMFTranscodeProfile*
    ctypes.c_void_p,  # ppTranscodeTopo : IMFTopology** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MF.dll')
MFCreateTranscodeTopology = Fiddle::Function.new(
  lib['MFCreateTranscodeTopology'],
  [
    Fiddle::TYPE_VOIDP,  # pSrc : IMFMediaSource*
    Fiddle::TYPE_VOIDP,  # pwszOutputFilePath : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pProfile : IMFTranscodeProfile*
    Fiddle::TYPE_VOIDP,  # ppTranscodeTopo : IMFTopology** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mf")]
extern "system" {
    fn MFCreateTranscodeTopology(
        pSrc: *mut core::ffi::c_void,  // IMFMediaSource*
        pwszOutputFilePath: *const u16,  // LPCWSTR
        pProfile: *mut core::ffi::c_void,  // IMFTranscodeProfile*
        ppTranscodeTopo: *mut *mut core::ffi::c_void  // IMFTopology** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MF.dll")]
public static extern int MFCreateTranscodeTopology(IntPtr pSrc, [MarshalAs(UnmanagedType.LPWStr)] string pwszOutputFilePath, IntPtr pProfile, IntPtr ppTranscodeTopo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MF_MFCreateTranscodeTopology' -Namespace Win32 -PassThru
# $api::MFCreateTranscodeTopology(pSrc, pwszOutputFilePath, pProfile, ppTranscodeTopo)

#uselib "MF.dll"
#func global MFCreateTranscodeTopology "MFCreateTranscodeTopology" sptr, sptr, sptr, sptr
; MFCreateTranscodeTopology pSrc, pwszOutputFilePath, pProfile, ppTranscodeTopo   ; 戻り値は stat
; pSrc : IMFMediaSource* -> "sptr"
; pwszOutputFilePath : LPCWSTR -> "sptr"
; pProfile : IMFTranscodeProfile* -> "sptr"
; ppTranscodeTopo : IMFTopology** 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 MFCreateTranscodeTopology "MFCreateTranscodeTopology" sptr, wstr, sptr, sptr
; res = MFCreateTranscodeTopology(pSrc, pwszOutputFilePath, pProfile, ppTranscodeTopo)
; pSrc : IMFMediaSource* -> "sptr"
; pwszOutputFilePath : LPCWSTR -> "wstr"
; pProfile : IMFTranscodeProfile* -> "sptr"
; ppTranscodeTopo : IMFTopology** out -> "sptr"

; HRESULT MFCreateTranscodeTopology(IMFMediaSource* pSrc, LPCWSTR pwszOutputFilePath, IMFTranscodeProfile* pProfile, IMFTopology** ppTranscodeTopo)
#uselib "MF.dll"
#cfunc global MFCreateTranscodeTopology "MFCreateTranscodeTopology" intptr, wstr, intptr, intptr
; res = MFCreateTranscodeTopology(pSrc, pwszOutputFilePath, pProfile, ppTranscodeTopo)
; pSrc : IMFMediaSource* -> "intptr"
; pwszOutputFilePath : LPCWSTR -> "wstr"
; pProfile : IMFTranscodeProfile* -> "intptr"
; ppTranscodeTopo : IMFTopology** out -> "intptr"

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

var (
	mf = windows.NewLazySystemDLL("MF.dll")
	procMFCreateTranscodeTopology = mf.NewProc("MFCreateTranscodeTopology")
)

// pSrc (IMFMediaSource*), pwszOutputFilePath (LPCWSTR), pProfile (IMFTranscodeProfile*), ppTranscodeTopo (IMFTopology** out)
r1, _, err := procMFCreateTranscodeTopology.Call(
	uintptr(pSrc),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszOutputFilePath))),
	uintptr(pProfile),
	uintptr(ppTranscodeTopo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateTranscodeTopology(
  pSrc: Pointer;   // IMFMediaSource*
  pwszOutputFilePath: PWideChar;   // LPCWSTR
  pProfile: Pointer;   // IMFTranscodeProfile*
  ppTranscodeTopo: Pointer   // IMFTopology** out
): Integer; stdcall;
  external 'MF.dll' name 'MFCreateTranscodeTopology';

result := DllCall("MF\MFCreateTranscodeTopology"
    , "Ptr", pSrc   ; IMFMediaSource*
    , "WStr", pwszOutputFilePath   ; LPCWSTR
    , "Ptr", pProfile   ; IMFTranscodeProfile*
    , "Ptr", ppTranscodeTopo   ; IMFTopology** out
    , "Int")   ; return: HRESULT

●MFCreateTranscodeTopology(pSrc, pwszOutputFilePath, pProfile, ppTranscodeTopo) = DLL("MF.dll", "int MFCreateTranscodeTopology(void*, char*, void*, void*)")
# 呼び出し: MFCreateTranscodeTopology(pSrc, pwszOutputFilePath, pProfile, ppTranscodeTopo)
# pSrc : IMFMediaSource* -> "void*"
# pwszOutputFilePath : LPCWSTR -> "char*"
# pProfile : IMFTranscodeProfile* -> "void*"
# ppTranscodeTopo : IMFTopology** 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 "mf" fn MFCreateTranscodeTopology(
    pSrc: ?*anyopaque, // IMFMediaSource*
    pwszOutputFilePath: [*c]const u16, // LPCWSTR
    pProfile: ?*anyopaque, // IMFTranscodeProfile*
    ppTranscodeTopo: ?*anyopaque // IMFTopology** out
) callconv(std.os.windows.WINAPI) i32;

proc MFCreateTranscodeTopology(
    pSrc: pointer,  # IMFMediaSource*
    pwszOutputFilePath: WideCString,  # LPCWSTR
    pProfile: pointer,  # IMFTranscodeProfile*
    ppTranscodeTopo: pointer  # IMFTopology** out
): int32 {.importc: "MFCreateTranscodeTopology", stdcall, dynlib: "MF.dll".}

pragma(lib, "mf");
extern(Windows)
int MFCreateTranscodeTopology(
    void* pSrc,   // IMFMediaSource*
    const(wchar)* pwszOutputFilePath,   // LPCWSTR
    void* pProfile,   // IMFTranscodeProfile*
    void* ppTranscodeTopo   // IMFTopology** out
);

ccall((:MFCreateTranscodeTopology, "MF.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Cwstring, Ptr{Cvoid}, Ptr{Cvoid}),
      pSrc, pwszOutputFilePath, pProfile, ppTranscodeTopo)
# pSrc : IMFMediaSource* -> Ptr{Cvoid}
# pwszOutputFilePath : LPCWSTR -> Cwstring
# pProfile : IMFTranscodeProfile* -> Ptr{Cvoid}
# ppTranscodeTopo : IMFTopology** 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 MFCreateTranscodeTopology(
    void* pSrc,
    const uint16_t* pwszOutputFilePath,
    void* pProfile,
    void* ppTranscodeTopo);
]]
local mf = ffi.load("mf")
-- mf.MFCreateTranscodeTopology(pSrc, pwszOutputFilePath, pProfile, ppTranscodeTopo)
-- pSrc : IMFMediaSource*
-- pwszOutputFilePath : LPCWSTR
-- pProfile : IMFTranscodeProfile*
-- ppTranscodeTopo : IMFTopology** 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('MF.dll');
const MFCreateTranscodeTopology = lib.func('__stdcall', 'MFCreateTranscodeTopology', 'int32_t', ['void *', 'str16', 'void *', 'void *']);
// MFCreateTranscodeTopology(pSrc, pwszOutputFilePath, pProfile, ppTranscodeTopo)
// pSrc : IMFMediaSource* -> 'void *'
// pwszOutputFilePath : LPCWSTR -> 'str16'
// pProfile : IMFTranscodeProfile* -> 'void *'
// ppTranscodeTopo : IMFTopology** 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("MF.dll", {
  MFCreateTranscodeTopology: { parameters: ["pointer", "buffer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.MFCreateTranscodeTopology(pSrc, pwszOutputFilePath, pProfile, ppTranscodeTopo)
// pSrc : IMFMediaSource* -> "pointer"
// pwszOutputFilePath : LPCWSTR -> "buffer"
// pProfile : IMFTranscodeProfile* -> "pointer"
// ppTranscodeTopo : IMFTopology** 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 MFCreateTranscodeTopology(
    void* pSrc,
    const uint16_t* pwszOutputFilePath,
    void* pProfile,
    void* ppTranscodeTopo);
C, "MF.dll");
// $ffi->MFCreateTranscodeTopology(pSrc, pwszOutputFilePath, pProfile, ppTranscodeTopo);
// pSrc : IMFMediaSource*
// pwszOutputFilePath : LPCWSTR
// pProfile : IMFTranscodeProfile*
// ppTranscodeTopo : IMFTopology** 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 Mf extends StdCallLibrary {
    Mf INSTANCE = Native.load("mf", Mf.class);
    int MFCreateTranscodeTopology(
        Pointer pSrc,   // IMFMediaSource*
        WString pwszOutputFilePath,   // LPCWSTR
        Pointer pProfile,   // IMFTranscodeProfile*
        Pointer ppTranscodeTopo   // IMFTopology** out
    );
}

@[Link("mf")]
lib LibMF
  fun MFCreateTranscodeTopology = MFCreateTranscodeTopology(
    pSrc : Void*,   # IMFMediaSource*
    pwszOutputFilePath : UInt16*,   # LPCWSTR
    pProfile : Void*,   # IMFTranscodeProfile*
    ppTranscodeTopo : Void*   # IMFTopology** 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 MFCreateTranscodeTopologyNative = Int32 Function(Pointer<Void>, Pointer<Utf16>, Pointer<Void>, Pointer<Void>);
typedef MFCreateTranscodeTopologyDart = int Function(Pointer<Void>, Pointer<Utf16>, Pointer<Void>, Pointer<Void>);
final MFCreateTranscodeTopology = DynamicLibrary.open('MF.dll')
    .lookupFunction<MFCreateTranscodeTopologyNative, MFCreateTranscodeTopologyDart>('MFCreateTranscodeTopology');
// pSrc : IMFMediaSource* -> Pointer<Void>
// pwszOutputFilePath : LPCWSTR -> Pointer<Utf16>
// pProfile : IMFTranscodeProfile* -> Pointer<Void>
// ppTranscodeTopo : IMFTopology** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MFCreateTranscodeTopology(
  pSrc: Pointer;   // IMFMediaSource*
  pwszOutputFilePath: PWideChar;   // LPCWSTR
  pProfile: Pointer;   // IMFTranscodeProfile*
  ppTranscodeTopo: Pointer   // IMFTopology** out
): Integer; stdcall;
  external 'MF.dll' name 'MFCreateTranscodeTopology';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "MFCreateTranscodeTopology"
  c_MFCreateTranscodeTopology :: Ptr () -> CWString -> Ptr () -> Ptr () -> IO Int32
-- pSrc : IMFMediaSource* -> Ptr ()
-- pwszOutputFilePath : LPCWSTR -> CWString
-- pProfile : IMFTranscodeProfile* -> Ptr ()
-- ppTranscodeTopo : IMFTopology** 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 mfcreatetranscodetopology =
  foreign "MFCreateTranscodeTopology"
    ((ptr void) @-> (ptr uint16_t) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* pSrc : IMFMediaSource* -> (ptr void) *)
(* pwszOutputFilePath : LPCWSTR -> (ptr uint16_t) *)
(* pProfile : IMFTranscodeProfile* -> (ptr void) *)
(* ppTranscodeTopo : IMFTopology** 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 mf (t "MF.dll"))
(cffi:use-foreign-library mf)

(cffi:defcfun ("MFCreateTranscodeTopology" mfcreate-transcode-topology :convention :stdcall) :int32
  (p-src :pointer)   ; IMFMediaSource*
  (pwsz-output-file-path (:string :encoding :utf-16le))   ; LPCWSTR
  (p-profile :pointer)   ; IMFTranscodeProfile*
  (pp-transcode-topo :pointer))   ; IMFTopology** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MFCreateTranscodeTopology = Win32::API::More->new('MF',
    'int MFCreateTranscodeTopology(LPVOID pSrc, LPCWSTR pwszOutputFilePath, LPVOID pProfile, LPVOID ppTranscodeTopo)');
# my $ret = $MFCreateTranscodeTopology->Call($pSrc, $pwszOutputFilePath, $pProfile, $ppTranscodeTopo);
# pSrc : IMFMediaSource* -> LPVOID
# pwszOutputFilePath : LPCWSTR -> LPCWSTR
# pProfile : IMFTranscodeProfile* -> LPVOID
# ppTranscodeTopo : IMFTopology** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。