MFInitMediaTypeFromVideoInfoHeader2

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

HRESULT MFInitMediaTypeFromVideoInfoHeader2(
    IMFMediaType* pMFType,
    const VIDEOINFOHEADER2* pVIH2,
    DWORD cbBufSize,
    const GUID* pSubtype   // optional
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFInitMediaTypeFromVideoInfoHeader2(
    pMFType As IntPtr,   ' IMFMediaType*
    pVIH2 As IntPtr,   ' VIDEOINFOHEADER2*
    cbBufSize As UInteger,   ' DWORD
    pSubtype As IntPtr   ' GUID* optional
) As Integer
End Function

' pMFType : IMFMediaType*
' pVIH2 : VIDEOINFOHEADER2*
' cbBufSize : DWORD
' pSubtype : GUID* optional
Declare PtrSafe Function MFInitMediaTypeFromVideoInfoHeader2 Lib "mfplat" ( _
    ByVal pMFType As LongPtr, _
    ByVal pVIH2 As LongPtr, _
    ByVal cbBufSize As Long, _
    ByVal pSubtype 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

MFInitMediaTypeFromVideoInfoHeader2 = ctypes.windll.mfplat.MFInitMediaTypeFromVideoInfoHeader2
MFInitMediaTypeFromVideoInfoHeader2.restype = ctypes.c_int
MFInitMediaTypeFromVideoInfoHeader2.argtypes = [
    ctypes.c_void_p,  # pMFType : IMFMediaType*
    ctypes.c_void_p,  # pVIH2 : VIDEOINFOHEADER2*
    wintypes.DWORD,  # cbBufSize : DWORD
    ctypes.c_void_p,  # pSubtype : GUID* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFInitMediaTypeFromVideoInfoHeader2 = Fiddle::Function.new(
  lib['MFInitMediaTypeFromVideoInfoHeader2'],
  [
    Fiddle::TYPE_VOIDP,  # pMFType : IMFMediaType*
    Fiddle::TYPE_VOIDP,  # pVIH2 : VIDEOINFOHEADER2*
    -Fiddle::TYPE_INT,  # cbBufSize : DWORD
    Fiddle::TYPE_VOIDP,  # pSubtype : GUID* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFInitMediaTypeFromVideoInfoHeader2(
        pMFType: *mut core::ffi::c_void,  // IMFMediaType*
        pVIH2: *const VIDEOINFOHEADER2,  // VIDEOINFOHEADER2*
        cbBufSize: u32,  // DWORD
        pSubtype: *const GUID  // GUID* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFInitMediaTypeFromVideoInfoHeader2(IntPtr pMFType, IntPtr pVIH2, uint cbBufSize, IntPtr pSubtype);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFInitMediaTypeFromVideoInfoHeader2' -Namespace Win32 -PassThru
# $api::MFInitMediaTypeFromVideoInfoHeader2(pMFType, pVIH2, cbBufSize, pSubtype)

#uselib "MFPlat.dll"
#func global MFInitMediaTypeFromVideoInfoHeader2 "MFInitMediaTypeFromVideoInfoHeader2" sptr, sptr, sptr, sptr
; MFInitMediaTypeFromVideoInfoHeader2 pMFType, varptr(pVIH2), cbBufSize, varptr(pSubtype)   ; 戻り値は stat
; pMFType : IMFMediaType* -> "sptr"
; pVIH2 : VIDEOINFOHEADER2* -> "sptr"
; cbBufSize : DWORD -> "sptr"
; pSubtype : GUID* optional -> "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 "MFPlat.dll"
#cfunc global MFInitMediaTypeFromVideoInfoHeader2 "MFInitMediaTypeFromVideoInfoHeader2" sptr, var, int, var
; res = MFInitMediaTypeFromVideoInfoHeader2(pMFType, pVIH2, cbBufSize, pSubtype)
; pMFType : IMFMediaType* -> "sptr"
; pVIH2 : VIDEOINFOHEADER2* -> "var"
; cbBufSize : DWORD -> "int"
; pSubtype : GUID* optional -> "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 MFInitMediaTypeFromVideoInfoHeader2(IMFMediaType* pMFType, VIDEOINFOHEADER2* pVIH2, DWORD cbBufSize, GUID* pSubtype)
#uselib "MFPlat.dll"
#cfunc global MFInitMediaTypeFromVideoInfoHeader2 "MFInitMediaTypeFromVideoInfoHeader2" intptr, var, int, var
; res = MFInitMediaTypeFromVideoInfoHeader2(pMFType, pVIH2, cbBufSize, pSubtype)
; pMFType : IMFMediaType* -> "intptr"
; pVIH2 : VIDEOINFOHEADER2* -> "var"
; cbBufSize : DWORD -> "int"
; pSubtype : GUID* optional -> "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 (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFInitMediaTypeFromVideoInfoHeader2 = mfplat.NewProc("MFInitMediaTypeFromVideoInfoHeader2")
)

// pMFType (IMFMediaType*), pVIH2 (VIDEOINFOHEADER2*), cbBufSize (DWORD), pSubtype (GUID* optional)
r1, _, err := procMFInitMediaTypeFromVideoInfoHeader2.Call(
	uintptr(pMFType),
	uintptr(pVIH2),
	uintptr(cbBufSize),
	uintptr(pSubtype),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFInitMediaTypeFromVideoInfoHeader2(
  pMFType: Pointer;   // IMFMediaType*
  pVIH2: Pointer;   // VIDEOINFOHEADER2*
  cbBufSize: DWORD;   // DWORD
  pSubtype: PGUID   // GUID* optional
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFInitMediaTypeFromVideoInfoHeader2';

result := DllCall("MFPlat\MFInitMediaTypeFromVideoInfoHeader2"
    , "Ptr", pMFType   ; IMFMediaType*
    , "Ptr", pVIH2   ; VIDEOINFOHEADER2*
    , "UInt", cbBufSize   ; DWORD
    , "Ptr", pSubtype   ; GUID* optional
    , "Int")   ; return: HRESULT

●MFInitMediaTypeFromVideoInfoHeader2(pMFType, pVIH2, cbBufSize, pSubtype) = DLL("MFPlat.dll", "int MFInitMediaTypeFromVideoInfoHeader2(void*, void*, dword, void*)")
# 呼び出し: MFInitMediaTypeFromVideoInfoHeader2(pMFType, pVIH2, cbBufSize, pSubtype)
# pMFType : IMFMediaType* -> "void*"
# pVIH2 : VIDEOINFOHEADER2* -> "void*"
# cbBufSize : DWORD -> "dword"
# pSubtype : GUID* optional -> "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)。