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DMOGetTypes

関数

指定したDMOがサポートする入出力メディアタイプを取得する。

DLLmsdmo.dll呼出規約winapi

シグネチャ

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

HRESULT DMOGetTypes(
    const GUID* clsidDMO,
    DWORD ulInputTypesRequested,
    DWORD* pulInputTypesSupplied,
    DMO_PARTIAL_MEDIATYPE* pInputTypes,
    DWORD ulOutputTypesRequested,
    DWORD* pulOutputTypesSupplied,
    DMO_PARTIAL_MEDIATYPE* pOutputTypes
);

パラメーター

名前	型	方向	説明
clsidDMO	GUID*	in	型情報を取得する対象DMOのクラスID(CLSID)を指すGUIDへのポインター。
ulInputTypesRequested	DWORD	in	取得を要求する入力メディア型の最大数。pInputTypes配列の容量を示す。
pulInputTypesSupplied	DWORD*	inout	実際に取得された入力メディア型の数を受け取るDWORDへのポインター。
pInputTypes	DMO_PARTIAL_MEDIATYPE*	inout	取得した入力メディア型を格納するDMO_PARTIAL_MEDIATYPE配列へのポインター。
ulOutputTypesRequested	DWORD	in	取得を要求する出力メディア型の最大数。pOutputTypes配列の容量を示す。
pulOutputTypesSupplied	DWORD*	inout	実際に取得された出力メディア型の数を受け取るDWORDへのポインター。
pOutputTypes	DMO_PARTIAL_MEDIATYPE*	inout	取得した出力メディア型を格納するDMO_PARTIAL_MEDIATYPE配列へのポインター。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT DMOGetTypes(
    const GUID* clsidDMO,
    DWORD ulInputTypesRequested,
    DWORD* pulInputTypesSupplied,
    DMO_PARTIAL_MEDIATYPE* pInputTypes,
    DWORD ulOutputTypesRequested,
    DWORD* pulOutputTypesSupplied,
    DMO_PARTIAL_MEDIATYPE* pOutputTypes
);

[DllImport("msdmo.dll", ExactSpelling = true)]
static extern int DMOGetTypes(
    ref Guid clsidDMO,   // GUID*
    uint ulInputTypesRequested,   // DWORD
    ref uint pulInputTypesSupplied,   // DWORD* in/out
    IntPtr pInputTypes,   // DMO_PARTIAL_MEDIATYPE* in/out
    uint ulOutputTypesRequested,   // DWORD
    ref uint pulOutputTypesSupplied,   // DWORD* in/out
    IntPtr pOutputTypes   // DMO_PARTIAL_MEDIATYPE* in/out
);

<DllImport("msdmo.dll", ExactSpelling:=True)>
Public Shared Function DMOGetTypes(
    ByRef clsidDMO As Guid,   ' GUID*
    ulInputTypesRequested As UInteger,   ' DWORD
    ByRef pulInputTypesSupplied As UInteger,   ' DWORD* in/out
    pInputTypes As IntPtr,   ' DMO_PARTIAL_MEDIATYPE* in/out
    ulOutputTypesRequested As UInteger,   ' DWORD
    ByRef pulOutputTypesSupplied As UInteger,   ' DWORD* in/out
    pOutputTypes As IntPtr   ' DMO_PARTIAL_MEDIATYPE* in/out
) As Integer
End Function

' clsidDMO : GUID*
' ulInputTypesRequested : DWORD
' pulInputTypesSupplied : DWORD* in/out
' pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out
' ulOutputTypesRequested : DWORD
' pulOutputTypesSupplied : DWORD* in/out
' pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/out
Declare PtrSafe Function DMOGetTypes Lib "msdmo" ( _
    ByVal clsidDMO As LongPtr, _
    ByVal ulInputTypesRequested As Long, _
    ByRef pulInputTypesSupplied As Long, _
    ByVal pInputTypes As LongPtr, _
    ByVal ulOutputTypesRequested As Long, _
    ByRef pulOutputTypesSupplied As Long, _
    ByVal pOutputTypes 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

DMOGetTypes = ctypes.windll.msdmo.DMOGetTypes
DMOGetTypes.restype = ctypes.c_int
DMOGetTypes.argtypes = [
    ctypes.c_void_p,  # clsidDMO : GUID*
    wintypes.DWORD,  # ulInputTypesRequested : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pulInputTypesSupplied : DWORD* in/out
    ctypes.c_void_p,  # pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out
    wintypes.DWORD,  # ulOutputTypesRequested : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pulOutputTypesSupplied : DWORD* in/out
    ctypes.c_void_p,  # pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msdmo.dll')
DMOGetTypes = Fiddle::Function.new(
  lib['DMOGetTypes'],
  [
    Fiddle::TYPE_VOIDP,  # clsidDMO : GUID*
    -Fiddle::TYPE_INT,  # ulInputTypesRequested : DWORD
    Fiddle::TYPE_VOIDP,  # pulInputTypesSupplied : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out
    -Fiddle::TYPE_INT,  # ulOutputTypesRequested : DWORD
    Fiddle::TYPE_VOIDP,  # pulOutputTypesSupplied : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "msdmo")]
extern "system" {
    fn DMOGetTypes(
        clsidDMO: *const GUID,  // GUID*
        ulInputTypesRequested: u32,  // DWORD
        pulInputTypesSupplied: *mut u32,  // DWORD* in/out
        pInputTypes: *mut DMO_PARTIAL_MEDIATYPE,  // DMO_PARTIAL_MEDIATYPE* in/out
        ulOutputTypesRequested: u32,  // DWORD
        pulOutputTypesSupplied: *mut u32,  // DWORD* in/out
        pOutputTypes: *mut DMO_PARTIAL_MEDIATYPE  // DMO_PARTIAL_MEDIATYPE* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msdmo.dll")]
public static extern int DMOGetTypes(ref Guid clsidDMO, uint ulInputTypesRequested, ref uint pulInputTypesSupplied, IntPtr pInputTypes, uint ulOutputTypesRequested, ref uint pulOutputTypesSupplied, IntPtr pOutputTypes);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msdmo_DMOGetTypes' -Namespace Win32 -PassThru
# $api::DMOGetTypes(clsidDMO, ulInputTypesRequested, pulInputTypesSupplied, pInputTypes, ulOutputTypesRequested, pulOutputTypesSupplied, pOutputTypes)

#uselib "msdmo.dll"
#func global DMOGetTypes "DMOGetTypes" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; DMOGetTypes varptr(clsidDMO), ulInputTypesRequested, varptr(pulInputTypesSupplied), varptr(pInputTypes), ulOutputTypesRequested, varptr(pulOutputTypesSupplied), varptr(pOutputTypes)   ; 戻り値は stat
; clsidDMO : GUID* -> "sptr"
; ulInputTypesRequested : DWORD -> "sptr"
; pulInputTypesSupplied : DWORD* in/out -> "sptr"
; pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> "sptr"
; ulOutputTypesRequested : DWORD -> "sptr"
; pulOutputTypesSupplied : DWORD* in/out -> "sptr"
; pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/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。

出力引数:

#uselib "msdmo.dll"
#cfunc global DMOGetTypes "DMOGetTypes" var, int, var, var, int, var, var
; res = DMOGetTypes(clsidDMO, ulInputTypesRequested, pulInputTypesSupplied, pInputTypes, ulOutputTypesRequested, pulOutputTypesSupplied, pOutputTypes)
; clsidDMO : GUID* -> "var"
; ulInputTypesRequested : DWORD -> "int"
; pulInputTypesSupplied : DWORD* in/out -> "var"
; pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> "var"
; ulOutputTypesRequested : DWORD -> "int"
; pulOutputTypesSupplied : DWORD* in/out -> "var"
; pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "msdmo.dll"
#cfunc global DMOGetTypes "DMOGetTypes" sptr, int, sptr, sptr, int, sptr, sptr
; res = DMOGetTypes(varptr(clsidDMO), ulInputTypesRequested, varptr(pulInputTypesSupplied), varptr(pInputTypes), ulOutputTypesRequested, varptr(pulOutputTypesSupplied), varptr(pOutputTypes))
; clsidDMO : GUID* -> "sptr"
; ulInputTypesRequested : DWORD -> "int"
; pulInputTypesSupplied : DWORD* in/out -> "sptr"
; pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> "sptr"
; ulOutputTypesRequested : DWORD -> "int"
; pulOutputTypesSupplied : DWORD* in/out -> "sptr"
; pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; HRESULT DMOGetTypes(GUID* clsidDMO, DWORD ulInputTypesRequested, DWORD* pulInputTypesSupplied, DMO_PARTIAL_MEDIATYPE* pInputTypes, DWORD ulOutputTypesRequested, DWORD* pulOutputTypesSupplied, DMO_PARTIAL_MEDIATYPE* pOutputTypes)
#uselib "msdmo.dll"
#cfunc global DMOGetTypes "DMOGetTypes" var, int, var, var, int, var, var
; res = DMOGetTypes(clsidDMO, ulInputTypesRequested, pulInputTypesSupplied, pInputTypes, ulOutputTypesRequested, pulOutputTypesSupplied, pOutputTypes)
; clsidDMO : GUID* -> "var"
; ulInputTypesRequested : DWORD -> "int"
; pulInputTypesSupplied : DWORD* in/out -> "var"
; pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> "var"
; ulOutputTypesRequested : DWORD -> "int"
; pulOutputTypesSupplied : DWORD* in/out -> "var"
; pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; HRESULT DMOGetTypes(GUID* clsidDMO, DWORD ulInputTypesRequested, DWORD* pulInputTypesSupplied, DMO_PARTIAL_MEDIATYPE* pInputTypes, DWORD ulOutputTypesRequested, DWORD* pulOutputTypesSupplied, DMO_PARTIAL_MEDIATYPE* pOutputTypes)
#uselib "msdmo.dll"
#cfunc global DMOGetTypes "DMOGetTypes" intptr, int, intptr, intptr, int, intptr, intptr
; res = DMOGetTypes(varptr(clsidDMO), ulInputTypesRequested, varptr(pulInputTypesSupplied), varptr(pInputTypes), ulOutputTypesRequested, varptr(pulOutputTypesSupplied), varptr(pOutputTypes))
; clsidDMO : GUID* -> "intptr"
; ulInputTypesRequested : DWORD -> "int"
; pulInputTypesSupplied : DWORD* in/out -> "intptr"
; pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> "intptr"
; ulOutputTypesRequested : DWORD -> "int"
; pulOutputTypesSupplied : DWORD* in/out -> "intptr"
; pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	msdmo = windows.NewLazySystemDLL("msdmo.dll")
	procDMOGetTypes = msdmo.NewProc("DMOGetTypes")
)

// clsidDMO (GUID*), ulInputTypesRequested (DWORD), pulInputTypesSupplied (DWORD* in/out), pInputTypes (DMO_PARTIAL_MEDIATYPE* in/out), ulOutputTypesRequested (DWORD), pulOutputTypesSupplied (DWORD* in/out), pOutputTypes (DMO_PARTIAL_MEDIATYPE* in/out)
r1, _, err := procDMOGetTypes.Call(
	uintptr(clsidDMO),
	uintptr(ulInputTypesRequested),
	uintptr(pulInputTypesSupplied),
	uintptr(pInputTypes),
	uintptr(ulOutputTypesRequested),
	uintptr(pulOutputTypesSupplied),
	uintptr(pOutputTypes),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DMOGetTypes(
  clsidDMO: PGUID;   // GUID*
  ulInputTypesRequested: DWORD;   // DWORD
  pulInputTypesSupplied: Pointer;   // DWORD* in/out
  pInputTypes: Pointer;   // DMO_PARTIAL_MEDIATYPE* in/out
  ulOutputTypesRequested: DWORD;   // DWORD
  pulOutputTypesSupplied: Pointer;   // DWORD* in/out
  pOutputTypes: Pointer   // DMO_PARTIAL_MEDIATYPE* in/out
): Integer; stdcall;
  external 'msdmo.dll' name 'DMOGetTypes';

result := DllCall("msdmo\DMOGetTypes"
    , "Ptr", clsidDMO   ; GUID*
    , "UInt", ulInputTypesRequested   ; DWORD
    , "Ptr", pulInputTypesSupplied   ; DWORD* in/out
    , "Ptr", pInputTypes   ; DMO_PARTIAL_MEDIATYPE* in/out
    , "UInt", ulOutputTypesRequested   ; DWORD
    , "Ptr", pulOutputTypesSupplied   ; DWORD* in/out
    , "Ptr", pOutputTypes   ; DMO_PARTIAL_MEDIATYPE* in/out
    , "Int")   ; return: HRESULT

●DMOGetTypes(clsidDMO, ulInputTypesRequested, pulInputTypesSupplied, pInputTypes, ulOutputTypesRequested, pulOutputTypesSupplied, pOutputTypes) = DLL("msdmo.dll", "int DMOGetTypes(void*, dword, void*, void*, dword, void*, void*)")
# 呼び出し: DMOGetTypes(clsidDMO, ulInputTypesRequested, pulInputTypesSupplied, pInputTypes, ulOutputTypesRequested, pulOutputTypesSupplied, pOutputTypes)
# clsidDMO : GUID* -> "void*"
# ulInputTypesRequested : DWORD -> "dword"
# pulInputTypesSupplied : DWORD* in/out -> "void*"
# pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> "void*"
# ulOutputTypesRequested : DWORD -> "dword"
# pulOutputTypesSupplied : DWORD* in/out -> "void*"
# pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/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 "msdmo" fn DMOGetTypes(
    clsidDMO: [*c]GUID, // GUID*
    ulInputTypesRequested: u32, // DWORD
    pulInputTypesSupplied: [*c]u32, // DWORD* in/out
    pInputTypes: [*c]DMO_PARTIAL_MEDIATYPE, // DMO_PARTIAL_MEDIATYPE* in/out
    ulOutputTypesRequested: u32, // DWORD
    pulOutputTypesSupplied: [*c]u32, // DWORD* in/out
    pOutputTypes: [*c]DMO_PARTIAL_MEDIATYPE // DMO_PARTIAL_MEDIATYPE* in/out
) callconv(std.os.windows.WINAPI) i32;

proc DMOGetTypes(
    clsidDMO: ptr GUID,  # GUID*
    ulInputTypesRequested: uint32,  # DWORD
    pulInputTypesSupplied: ptr uint32,  # DWORD* in/out
    pInputTypes: ptr DMO_PARTIAL_MEDIATYPE,  # DMO_PARTIAL_MEDIATYPE* in/out
    ulOutputTypesRequested: uint32,  # DWORD
    pulOutputTypesSupplied: ptr uint32,  # DWORD* in/out
    pOutputTypes: ptr DMO_PARTIAL_MEDIATYPE  # DMO_PARTIAL_MEDIATYPE* in/out
): int32 {.importc: "DMOGetTypes", stdcall, dynlib: "msdmo.dll".}

pragma(lib, "msdmo");
extern(Windows)
int DMOGetTypes(
    GUID* clsidDMO,   // GUID*
    uint ulInputTypesRequested,   // DWORD
    uint* pulInputTypesSupplied,   // DWORD* in/out
    DMO_PARTIAL_MEDIATYPE* pInputTypes,   // DMO_PARTIAL_MEDIATYPE* in/out
    uint ulOutputTypesRequested,   // DWORD
    uint* pulOutputTypesSupplied,   // DWORD* in/out
    DMO_PARTIAL_MEDIATYPE* pOutputTypes   // DMO_PARTIAL_MEDIATYPE* in/out
);

ccall((:DMOGetTypes, "msdmo.dll"), stdcall, Int32,
      (Ptr{GUID}, UInt32, Ptr{UInt32}, Ptr{DMO_PARTIAL_MEDIATYPE}, UInt32, Ptr{UInt32}, Ptr{DMO_PARTIAL_MEDIATYPE}),
      clsidDMO, ulInputTypesRequested, pulInputTypesSupplied, pInputTypes, ulOutputTypesRequested, pulOutputTypesSupplied, pOutputTypes)
# clsidDMO : GUID* -> Ptr{GUID}
# ulInputTypesRequested : DWORD -> UInt32
# pulInputTypesSupplied : DWORD* in/out -> Ptr{UInt32}
# pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> Ptr{DMO_PARTIAL_MEDIATYPE}
# ulOutputTypesRequested : DWORD -> UInt32
# pulOutputTypesSupplied : DWORD* in/out -> Ptr{UInt32}
# pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> Ptr{DMO_PARTIAL_MEDIATYPE}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t DMOGetTypes(
    void* clsidDMO,
    uint32_t ulInputTypesRequested,
    uint32_t* pulInputTypesSupplied,
    void* pInputTypes,
    uint32_t ulOutputTypesRequested,
    uint32_t* pulOutputTypesSupplied,
    void* pOutputTypes);
]]
local msdmo = ffi.load("msdmo")
-- msdmo.DMOGetTypes(clsidDMO, ulInputTypesRequested, pulInputTypesSupplied, pInputTypes, ulOutputTypesRequested, pulOutputTypesSupplied, pOutputTypes)
-- clsidDMO : GUID*
-- ulInputTypesRequested : DWORD
-- pulInputTypesSupplied : DWORD* in/out
-- pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out
-- ulOutputTypesRequested : DWORD
-- pulOutputTypesSupplied : DWORD* in/out
-- pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/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('msdmo.dll');
const DMOGetTypes = lib.func('__stdcall', 'DMOGetTypes', 'int32_t', ['void *', 'uint32_t', 'uint32_t *', 'void *', 'uint32_t', 'uint32_t *', 'void *']);
// DMOGetTypes(clsidDMO, ulInputTypesRequested, pulInputTypesSupplied, pInputTypes, ulOutputTypesRequested, pulOutputTypesSupplied, pOutputTypes)
// clsidDMO : GUID* -> 'void *'
// ulInputTypesRequested : DWORD -> 'uint32_t'
// pulInputTypesSupplied : DWORD* in/out -> 'uint32_t *'
// pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> 'void *'
// ulOutputTypesRequested : DWORD -> 'uint32_t'
// pulOutputTypesSupplied : DWORD* in/out -> 'uint32_t *'
// pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/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("msdmo.dll", {
  DMOGetTypes: { parameters: ["pointer", "u32", "pointer", "pointer", "u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.DMOGetTypes(clsidDMO, ulInputTypesRequested, pulInputTypesSupplied, pInputTypes, ulOutputTypesRequested, pulOutputTypesSupplied, pOutputTypes)
// clsidDMO : GUID* -> "pointer"
// ulInputTypesRequested : DWORD -> "u32"
// pulInputTypesSupplied : DWORD* in/out -> "pointer"
// pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> "pointer"
// ulOutputTypesRequested : DWORD -> "u32"
// pulOutputTypesSupplied : DWORD* in/out -> "pointer"
// pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/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 DMOGetTypes(
    void* clsidDMO,
    uint32_t ulInputTypesRequested,
    uint32_t* pulInputTypesSupplied,
    void* pInputTypes,
    uint32_t ulOutputTypesRequested,
    uint32_t* pulOutputTypesSupplied,
    void* pOutputTypes);
C, "msdmo.dll");
// $ffi->DMOGetTypes(clsidDMO, ulInputTypesRequested, pulInputTypesSupplied, pInputTypes, ulOutputTypesRequested, pulOutputTypesSupplied, pOutputTypes);
// clsidDMO : GUID*
// ulInputTypesRequested : DWORD
// pulInputTypesSupplied : DWORD* in/out
// pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out
// ulOutputTypesRequested : DWORD
// pulOutputTypesSupplied : DWORD* in/out
// pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/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 Msdmo extends StdCallLibrary {
    Msdmo INSTANCE = Native.load("msdmo", Msdmo.class);
    int DMOGetTypes(
        Pointer clsidDMO,   // GUID*
        int ulInputTypesRequested,   // DWORD
        IntByReference pulInputTypesSupplied,   // DWORD* in/out
        Pointer pInputTypes,   // DMO_PARTIAL_MEDIATYPE* in/out
        int ulOutputTypesRequested,   // DWORD
        IntByReference pulOutputTypesSupplied,   // DWORD* in/out
        Pointer pOutputTypes   // DMO_PARTIAL_MEDIATYPE* in/out
    );
}

@[Link("msdmo")]
lib Libmsdmo
  fun DMOGetTypes = DMOGetTypes(
    clsidDMO : GUID*,   # GUID*
    ulInputTypesRequested : UInt32,   # DWORD
    pulInputTypesSupplied : UInt32*,   # DWORD* in/out
    pInputTypes : DMO_PARTIAL_MEDIATYPE*,   # DMO_PARTIAL_MEDIATYPE* in/out
    ulOutputTypesRequested : UInt32,   # DWORD
    pulOutputTypesSupplied : UInt32*,   # DWORD* in/out
    pOutputTypes : DMO_PARTIAL_MEDIATYPE*   # DMO_PARTIAL_MEDIATYPE* in/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 DMOGetTypesNative = Int32 Function(Pointer<Void>, Uint32, Pointer<Uint32>, Pointer<Void>, Uint32, Pointer<Uint32>, Pointer<Void>);
typedef DMOGetTypesDart = int Function(Pointer<Void>, int, Pointer<Uint32>, Pointer<Void>, int, Pointer<Uint32>, Pointer<Void>);
final DMOGetTypes = DynamicLibrary.open('msdmo.dll')
    .lookupFunction<DMOGetTypesNative, DMOGetTypesDart>('DMOGetTypes');
// clsidDMO : GUID* -> Pointer<Void>
// ulInputTypesRequested : DWORD -> Uint32
// pulInputTypesSupplied : DWORD* in/out -> Pointer<Uint32>
// pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> Pointer<Void>
// ulOutputTypesRequested : DWORD -> Uint32
// pulOutputTypesSupplied : DWORD* in/out -> Pointer<Uint32>
// pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DMOGetTypes(
  clsidDMO: PGUID;   // GUID*
  ulInputTypesRequested: DWORD;   // DWORD
  pulInputTypesSupplied: Pointer;   // DWORD* in/out
  pInputTypes: Pointer;   // DMO_PARTIAL_MEDIATYPE* in/out
  ulOutputTypesRequested: DWORD;   // DWORD
  pulOutputTypesSupplied: Pointer;   // DWORD* in/out
  pOutputTypes: Pointer   // DMO_PARTIAL_MEDIATYPE* in/out
): Integer; stdcall;
  external 'msdmo.dll' name 'DMOGetTypes';

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

foreign import stdcall safe "DMOGetTypes"
  c_DMOGetTypes :: Ptr () -> Word32 -> Ptr Word32 -> Ptr () -> Word32 -> Ptr Word32 -> Ptr () -> IO Int32
-- clsidDMO : GUID* -> Ptr ()
-- ulInputTypesRequested : DWORD -> Word32
-- pulInputTypesSupplied : DWORD* in/out -> Ptr Word32
-- pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> Ptr ()
-- ulOutputTypesRequested : DWORD -> Word32
-- pulOutputTypesSupplied : DWORD* in/out -> Ptr Word32
-- pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/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 dmogettypes =
  foreign "DMOGetTypes"
    ((ptr void) @-> uint32_t @-> (ptr uint32_t) @-> (ptr void) @-> uint32_t @-> (ptr uint32_t) @-> (ptr void) @-> returning int32_t)
(* clsidDMO : GUID* -> (ptr void) *)
(* ulInputTypesRequested : DWORD -> uint32_t *)
(* pulInputTypesSupplied : DWORD* in/out -> (ptr uint32_t) *)
(* pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> (ptr void) *)
(* ulOutputTypesRequested : DWORD -> uint32_t *)
(* pulOutputTypesSupplied : DWORD* in/out -> (ptr uint32_t) *)
(* pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/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 msdmo (t "msdmo.dll"))
(cffi:use-foreign-library msdmo)

(cffi:defcfun ("DMOGetTypes" dmoget-types :convention :stdcall) :int32
  (clsid-dmo :pointer)   ; GUID*
  (ul-input-types-requested :uint32)   ; DWORD
  (pul-input-types-supplied :pointer)   ; DWORD* in/out
  (p-input-types :pointer)   ; DMO_PARTIAL_MEDIATYPE* in/out
  (ul-output-types-requested :uint32)   ; DWORD
  (pul-output-types-supplied :pointer)   ; DWORD* in/out
  (p-output-types :pointer))   ; DMO_PARTIAL_MEDIATYPE* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DMOGetTypes = Win32::API::More->new('msdmo',
    'int DMOGetTypes(LPVOID clsidDMO, DWORD ulInputTypesRequested, LPVOID pulInputTypesSupplied, LPVOID pInputTypes, DWORD ulOutputTypesRequested, LPVOID pulOutputTypesSupplied, LPVOID pOutputTypes)');
# my $ret = $DMOGetTypes->Call($clsidDMO, $ulInputTypesRequested, $pulInputTypesSupplied, $pInputTypes, $ulOutputTypesRequested, $pulOutputTypesSupplied, $pOutputTypes);
# clsidDMO : GUID* -> LPVOID
# ulInputTypesRequested : DWORD -> DWORD
# pulInputTypesSupplied : DWORD* in/out -> LPVOID
# pInputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> LPVOID
# ulOutputTypesRequested : DWORD -> DWORD
# pulOutputTypesSupplied : DWORD* in/out -> LPVOID
# pOutputTypes : DMO_PARTIAL_MEDIATYPE* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

DMOGetTypes

シグネチャ

パラメーター

各言語での呼び出し定義

関連項目