MFCombineSamples

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

HRESULT MFCombineSamples(
    IMFSample* pSample,
    IMFSample* pSampleToAdd,
    DWORD dwMaxMergedDurationInMS,
    BOOL* pMerged
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFCombineSamples(
    pSample As IntPtr,   ' IMFSample*
    pSampleToAdd As IntPtr,   ' IMFSample*
    dwMaxMergedDurationInMS As UInteger,   ' DWORD
    <Out> ByRef pMerged As Boolean   ' BOOL* out
) As Integer
End Function

' pSample : IMFSample*
' pSampleToAdd : IMFSample*
' dwMaxMergedDurationInMS : DWORD
' pMerged : BOOL* out
Declare PtrSafe Function MFCombineSamples Lib "mfplat" ( _
    ByVal pSample As LongPtr, _
    ByVal pSampleToAdd As LongPtr, _
    ByVal dwMaxMergedDurationInMS As Long, _
    ByRef pMerged As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

MFCombineSamples = ctypes.windll.mfplat.MFCombineSamples
MFCombineSamples.restype = ctypes.c_int
MFCombineSamples.argtypes = [
    ctypes.c_void_p,  # pSample : IMFSample*
    ctypes.c_void_p,  # pSampleToAdd : IMFSample*
    wintypes.DWORD,  # dwMaxMergedDurationInMS : DWORD
    ctypes.c_void_p,  # pMerged : BOOL* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFCombineSamples = Fiddle::Function.new(
  lib['MFCombineSamples'],
  [
    Fiddle::TYPE_VOIDP,  # pSample : IMFSample*
    Fiddle::TYPE_VOIDP,  # pSampleToAdd : IMFSample*
    -Fiddle::TYPE_INT,  # dwMaxMergedDurationInMS : DWORD
    Fiddle::TYPE_VOIDP,  # pMerged : BOOL* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFCombineSamples(
        pSample: *mut core::ffi::c_void,  // IMFSample*
        pSampleToAdd: *mut core::ffi::c_void,  // IMFSample*
        dwMaxMergedDurationInMS: u32,  // DWORD
        pMerged: *mut i32  // BOOL* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFCombineSamples(IntPtr pSample, IntPtr pSampleToAdd, uint dwMaxMergedDurationInMS, out bool pMerged);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFCombineSamples' -Namespace Win32 -PassThru
# $api::MFCombineSamples(pSample, pSampleToAdd, dwMaxMergedDurationInMS, pMerged)

#uselib "MFPlat.dll"
#func global MFCombineSamples "MFCombineSamples" sptr, sptr, sptr, sptr
; MFCombineSamples pSample, pSampleToAdd, dwMaxMergedDurationInMS, varptr(pMerged)   ; 戻り値は stat
; pSample : IMFSample* -> "sptr"
; pSampleToAdd : IMFSample* -> "sptr"
; dwMaxMergedDurationInMS : DWORD -> "sptr"
; pMerged : BOOL* 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。

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFCombineSamples = mfplat.NewProc("MFCombineSamples")
)

// pSample (IMFSample*), pSampleToAdd (IMFSample*), dwMaxMergedDurationInMS (DWORD), pMerged (BOOL* out)
r1, _, err := procMFCombineSamples.Call(
	uintptr(pSample),
	uintptr(pSampleToAdd),
	uintptr(dwMaxMergedDurationInMS),
	uintptr(pMerged),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCombineSamples(
  pSample: Pointer;   // IMFSample*
  pSampleToAdd: Pointer;   // IMFSample*
  dwMaxMergedDurationInMS: DWORD;   // DWORD
  pMerged: Pointer   // BOOL* out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCombineSamples';

result := DllCall("MFPlat\MFCombineSamples"
    , "Ptr", pSample   ; IMFSample*
    , "Ptr", pSampleToAdd   ; IMFSample*
    , "UInt", dwMaxMergedDurationInMS   ; DWORD
    , "Ptr", pMerged   ; BOOL* out
    , "Int")   ; return: HRESULT

●MFCombineSamples(pSample, pSampleToAdd, dwMaxMergedDurationInMS, pMerged) = DLL("MFPlat.dll", "int MFCombineSamples(void*, void*, dword, void*)")
# 呼び出し: MFCombineSamples(pSample, pSampleToAdd, dwMaxMergedDurationInMS, pMerged)
# pSample : IMFSample* -> "void*"
# pSampleToAdd : IMFSample* -> "void*"
# dwMaxMergedDurationInMS : DWORD -> "dword"
# pMerged : BOOL* 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 "mfplat" fn MFCombineSamples(
    pSample: ?*anyopaque, // IMFSample*
    pSampleToAdd: ?*anyopaque, // IMFSample*
    dwMaxMergedDurationInMS: u32, // DWORD
    pMerged: [*c]i32 // BOOL* out
) callconv(std.os.windows.WINAPI) i32;

proc MFCombineSamples(
    pSample: pointer,  # IMFSample*
    pSampleToAdd: pointer,  # IMFSample*
    dwMaxMergedDurationInMS: uint32,  # DWORD
    pMerged: ptr int32  # BOOL* out
): int32 {.importc: "MFCombineSamples", stdcall, dynlib: "MFPlat.dll".}

pragma(lib, "mfplat");
extern(Windows)
int MFCombineSamples(
    void* pSample,   // IMFSample*
    void* pSampleToAdd,   // IMFSample*
    uint dwMaxMergedDurationInMS,   // DWORD
    int* pMerged   // BOOL* out
);

ccall((:MFCombineSamples, "MFPlat.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}, UInt32, Ptr{Int32}),
      pSample, pSampleToAdd, dwMaxMergedDurationInMS, pMerged)
# pSample : IMFSample* -> Ptr{Cvoid}
# pSampleToAdd : IMFSample* -> Ptr{Cvoid}
# dwMaxMergedDurationInMS : DWORD -> UInt32
# pMerged : BOOL* out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t MFCombineSamples(
    void* pSample,
    void* pSampleToAdd,
    uint32_t dwMaxMergedDurationInMS,
    int32_t* pMerged);
]]
local mfplat = ffi.load("mfplat")
-- mfplat.MFCombineSamples(pSample, pSampleToAdd, dwMaxMergedDurationInMS, pMerged)
-- pSample : IMFSample*
-- pSampleToAdd : IMFSample*
-- dwMaxMergedDurationInMS : DWORD
-- pMerged : BOOL* 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('MFPlat.dll');
const MFCombineSamples = lib.func('__stdcall', 'MFCombineSamples', 'int32_t', ['void *', 'void *', 'uint32_t', 'int32_t *']);
// MFCombineSamples(pSample, pSampleToAdd, dwMaxMergedDurationInMS, pMerged)
// pSample : IMFSample* -> 'void *'
// pSampleToAdd : IMFSample* -> 'void *'
// dwMaxMergedDurationInMS : DWORD -> 'uint32_t'
// pMerged : BOOL* out -> 'int32_t *'
// 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("MFPlat.dll", {
  MFCombineSamples: { parameters: ["pointer", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.MFCombineSamples(pSample, pSampleToAdd, dwMaxMergedDurationInMS, pMerged)
// pSample : IMFSample* -> "pointer"
// pSampleToAdd : IMFSample* -> "pointer"
// dwMaxMergedDurationInMS : DWORD -> "u32"
// pMerged : BOOL* 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 MFCombineSamples(
    void* pSample,
    void* pSampleToAdd,
    uint32_t dwMaxMergedDurationInMS,
    int32_t* pMerged);
C, "MFPlat.dll");
// $ffi->MFCombineSamples(pSample, pSampleToAdd, dwMaxMergedDurationInMS, pMerged);
// pSample : IMFSample*
// pSampleToAdd : IMFSample*
// dwMaxMergedDurationInMS : DWORD
// pMerged : BOOL* 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 Mfplat extends StdCallLibrary {
    Mfplat INSTANCE = Native.load("mfplat", Mfplat.class);
    int MFCombineSamples(
        Pointer pSample,   // IMFSample*
        Pointer pSampleToAdd,   // IMFSample*
        int dwMaxMergedDurationInMS,   // DWORD
        IntByReference pMerged   // BOOL* out
    );
}

@[Link("mfplat")]
lib LibMFPlat
  fun MFCombineSamples = MFCombineSamples(
    pSample : Void*,   # IMFSample*
    pSampleToAdd : Void*,   # IMFSample*
    dwMaxMergedDurationInMS : UInt32,   # DWORD
    pMerged : Int32*   # BOOL* 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 MFCombineSamplesNative = Int32 Function(Pointer<Void>, Pointer<Void>, Uint32, Pointer<Int32>);
typedef MFCombineSamplesDart = int Function(Pointer<Void>, Pointer<Void>, int, Pointer<Int32>);
final MFCombineSamples = DynamicLibrary.open('MFPlat.dll')
    .lookupFunction<MFCombineSamplesNative, MFCombineSamplesDart>('MFCombineSamples');
// pSample : IMFSample* -> Pointer<Void>
// pSampleToAdd : IMFSample* -> Pointer<Void>
// dwMaxMergedDurationInMS : DWORD -> Uint32
// pMerged : BOOL* out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MFCombineSamples(
  pSample: Pointer;   // IMFSample*
  pSampleToAdd: Pointer;   // IMFSample*
  dwMaxMergedDurationInMS: DWORD;   // DWORD
  pMerged: Pointer   // BOOL* out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCombineSamples';

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

foreign import stdcall safe "MFCombineSamples"
  c_MFCombineSamples :: Ptr () -> Ptr () -> Word32 -> Ptr CInt -> IO Int32
-- pSample : IMFSample* -> Ptr ()
-- pSampleToAdd : IMFSample* -> Ptr ()
-- dwMaxMergedDurationInMS : DWORD -> Word32
-- pMerged : BOOL* out -> Ptr CInt
-- 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 mfcombinesamples =
  foreign "MFCombineSamples"
    ((ptr void) @-> (ptr void) @-> uint32_t @-> (ptr int32_t) @-> returning int32_t)
(* pSample : IMFSample* -> (ptr void) *)
(* pSampleToAdd : IMFSample* -> (ptr void) *)
(* dwMaxMergedDurationInMS : DWORD -> uint32_t *)
(* pMerged : BOOL* out -> (ptr int32_t) *)
(* 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 mfplat (t "MFPlat.dll"))
(cffi:use-foreign-library mfplat)

(cffi:defcfun ("MFCombineSamples" mfcombine-samples :convention :stdcall) :int32
  (p-sample :pointer)   ; IMFSample*
  (p-sample-to-add :pointer)   ; IMFSample*
  (dw-max-merged-duration-in-ms :uint32)   ; DWORD
  (p-merged :pointer))   ; BOOL* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MFCombineSamples = Win32::API::More->new('MFPlat',
    'int MFCombineSamples(LPVOID pSample, LPVOID pSampleToAdd, DWORD dwMaxMergedDurationInMS, LPVOID pMerged)');
# my $ret = $MFCombineSamples->Call($pSample, $pSampleToAdd, $dwMaxMergedDurationInMS, $pMerged);
# pSample : IMFSample* -> LPVOID
# pSampleToAdd : IMFSample* -> LPVOID
# dwMaxMergedDurationInMS : DWORD -> DWORD
# pMerged : BOOL* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。