DMOGetTypes

// 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)>
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。

#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" 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。

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)。