MFCreateAMMediaTypeFromMFMediaType

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

HRESULT MFCreateAMMediaTypeFromMFMediaType(
    IMFMediaType* pMFType,
    GUID guidFormatBlockType,
    AM_MEDIA_TYPE** ppAMType
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFCreateAMMediaTypeFromMFMediaType(
    pMFType As IntPtr,   ' IMFMediaType*
    guidFormatBlockType As Guid,   ' GUID
    ppAMType As IntPtr   ' AM_MEDIA_TYPE** in/out
) As Integer
End Function

' pMFType : IMFMediaType*
' guidFormatBlockType : GUID
' ppAMType : AM_MEDIA_TYPE** in/out
Declare PtrSafe Function MFCreateAMMediaTypeFromMFMediaType Lib "mfplat" ( _
    ByVal pMFType As LongPtr, _
    ByVal guidFormatBlockType As LongPtr, _
    ByVal ppAMType 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

MFCreateAMMediaTypeFromMFMediaType = ctypes.windll.mfplat.MFCreateAMMediaTypeFromMFMediaType
MFCreateAMMediaTypeFromMFMediaType.restype = ctypes.c_int
MFCreateAMMediaTypeFromMFMediaType.argtypes = [
    ctypes.c_void_p,  # pMFType : IMFMediaType*
    ctypes.c_void_p,  # guidFormatBlockType : GUID
    ctypes.c_void_p,  # ppAMType : AM_MEDIA_TYPE** in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFCreateAMMediaTypeFromMFMediaType = Fiddle::Function.new(
  lib['MFCreateAMMediaTypeFromMFMediaType'],
  [
    Fiddle::TYPE_VOIDP,  # pMFType : IMFMediaType*
    Fiddle::TYPE_VOIDP,  # guidFormatBlockType : GUID
    Fiddle::TYPE_VOIDP,  # ppAMType : AM_MEDIA_TYPE** in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFCreateAMMediaTypeFromMFMediaType(
        pMFType: *mut core::ffi::c_void,  // IMFMediaType*
        guidFormatBlockType: GUID,  // GUID
        ppAMType: *mut *mut AM_MEDIA_TYPE  // AM_MEDIA_TYPE** in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFCreateAMMediaTypeFromMFMediaType(IntPtr pMFType, Guid guidFormatBlockType, IntPtr ppAMType);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFCreateAMMediaTypeFromMFMediaType' -Namespace Win32 -PassThru
# $api::MFCreateAMMediaTypeFromMFMediaType(pMFType, guidFormatBlockType, ppAMType)

#uselib "MFPlat.dll"
#func global MFCreateAMMediaTypeFromMFMediaType "MFCreateAMMediaTypeFromMFMediaType" sptr, sptr, sptr
; MFCreateAMMediaTypeFromMFMediaType pMFType, guidFormatBlockType, varptr(ppAMType)   ; 戻り値は stat
; pMFType : IMFMediaType* -> "sptr"
; guidFormatBlockType : GUID -> "sptr"
; ppAMType : AM_MEDIA_TYPE** in/out -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 "MFPlat.dll"
#cfunc global MFCreateAMMediaTypeFromMFMediaType "MFCreateAMMediaTypeFromMFMediaType" sptr, int, var
; res = MFCreateAMMediaTypeFromMFMediaType(pMFType, guidFormatBlockType, ppAMType)
; pMFType : IMFMediaType* -> "sptr"
; guidFormatBlockType : GUID -> "int"
; ppAMType : AM_MEDIA_TYPE** in/out -> "var"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 MFCreateAMMediaTypeFromMFMediaType(IMFMediaType* pMFType, GUID guidFormatBlockType, AM_MEDIA_TYPE** ppAMType)
#uselib "MFPlat.dll"
#cfunc global MFCreateAMMediaTypeFromMFMediaType "MFCreateAMMediaTypeFromMFMediaType" intptr, int, var
; res = MFCreateAMMediaTypeFromMFMediaType(pMFType, guidFormatBlockType, ppAMType)
; pMFType : IMFMediaType* -> "intptr"
; guidFormatBlockType : GUID -> "int"
; ppAMType : AM_MEDIA_TYPE** in/out -> "var"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFCreateAMMediaTypeFromMFMediaType = mfplat.NewProc("MFCreateAMMediaTypeFromMFMediaType")
)

// pMFType (IMFMediaType*), guidFormatBlockType (GUID), ppAMType (AM_MEDIA_TYPE** in/out)
r1, _, err := procMFCreateAMMediaTypeFromMFMediaType.Call(
	uintptr(pMFType),
	uintptr(guidFormatBlockType),
	uintptr(ppAMType),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateAMMediaTypeFromMFMediaType(
  pMFType: Pointer;   // IMFMediaType*
  guidFormatBlockType: TGUID;   // GUID
  ppAMType: Pointer   // AM_MEDIA_TYPE** in/out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreateAMMediaTypeFromMFMediaType';

result := DllCall("MFPlat\MFCreateAMMediaTypeFromMFMediaType"
    , "Ptr", pMFType   ; IMFMediaType*
    , "Ptr", guidFormatBlockType   ; GUID
    , "Ptr", ppAMType   ; AM_MEDIA_TYPE** in/out
    , "Int")   ; return: HRESULT

●MFCreateAMMediaTypeFromMFMediaType(pMFType, guidFormatBlockType, ppAMType) = DLL("MFPlat.dll", "int MFCreateAMMediaTypeFromMFMediaType(void*, void*, void*)")
# 呼び出し: MFCreateAMMediaTypeFromMFMediaType(pMFType, guidFormatBlockType, ppAMType)
# pMFType : IMFMediaType* -> "void*"
# guidFormatBlockType : GUID -> "void*"
# ppAMType : AM_MEDIA_TYPE** 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)。