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WICMatchMetadataContent

関数
ストリームの内容に一致するメタデータ形式を判定する。
DLLWindowsCodecs.dll呼出規約winapi対応OSWindows XP 以降
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シグネチャ

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

HRESULT WICMatchMetadataContent(
    const GUID* guidContainerFormat,
    const GUID* pguidVendor,   // optional
    IStream* pIStream,
    GUID* pguidMetadataFormat
);

パラメーター

名前型方向説明
guidContainerFormatGUID*in対象のコンテナ形式を示すGUIDへのポインタ。
pguidVendorGUID*inoptional推奨ベンダーを示すGUIDへのポインタ。NULL可。
pIStreamIStream*inメタデータを読み取るIStreamインターフェイスへのポインタ。
pguidMetadataFormatGUID*out一致したメタデータ形式のGUIDを受け取る出力先のポインタ。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT WICMatchMetadataContent(
    const GUID* guidContainerFormat,
    const GUID* pguidVendor,   // optional
    IStream* pIStream,
    GUID* pguidMetadataFormat
);
[DllImport("WindowsCodecs.dll", ExactSpelling = true)]
static extern int WICMatchMetadataContent(
    ref Guid guidContainerFormat,   // GUID*
    IntPtr pguidVendor,   // GUID* optional
    IntPtr pIStream,   // IStream*
    out Guid pguidMetadataFormat   // GUID* out
);
<DllImport("WindowsCodecs.dll", ExactSpelling:=True)>
Public Shared Function WICMatchMetadataContent(
    ByRef guidContainerFormat As Guid,   ' GUID*
    pguidVendor As IntPtr,   ' GUID* optional
    pIStream As IntPtr,   ' IStream*
    <Out> ByRef pguidMetadataFormat As Guid   ' GUID* out
) As Integer
End Function
' guidContainerFormat : GUID*
' pguidVendor : GUID* optional
' pIStream : IStream*
' pguidMetadataFormat : GUID* out
Declare PtrSafe Function WICMatchMetadataContent Lib "windowscodecs" ( _
    ByVal guidContainerFormat As LongPtr, _
    ByVal pguidVendor As LongPtr, _
    ByVal pIStream As LongPtr, _
    ByVal pguidMetadataFormat 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

WICMatchMetadataContent = ctypes.windll.windowscodecs.WICMatchMetadataContent
WICMatchMetadataContent.restype = ctypes.c_int
WICMatchMetadataContent.argtypes = [
    ctypes.c_void_p,  # guidContainerFormat : GUID*
    ctypes.c_void_p,  # pguidVendor : GUID* optional
    ctypes.c_void_p,  # pIStream : IStream*
    ctypes.c_void_p,  # pguidMetadataFormat : GUID* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WindowsCodecs.dll')
WICMatchMetadataContent = Fiddle::Function.new(
  lib['WICMatchMetadataContent'],
  [
    Fiddle::TYPE_VOIDP,  # guidContainerFormat : GUID*
    Fiddle::TYPE_VOIDP,  # pguidVendor : GUID* optional
    Fiddle::TYPE_VOIDP,  # pIStream : IStream*
    Fiddle::TYPE_VOIDP,  # pguidMetadataFormat : GUID* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "windowscodecs")]
extern "system" {
    fn WICMatchMetadataContent(
        guidContainerFormat: *const GUID,  // GUID*
        pguidVendor: *const GUID,  // GUID* optional
        pIStream: *mut core::ffi::c_void,  // IStream*
        pguidMetadataFormat: *mut GUID  // GUID* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("WindowsCodecs.dll")]
public static extern int WICMatchMetadataContent(ref Guid guidContainerFormat, IntPtr pguidVendor, IntPtr pIStream, out Guid pguidMetadataFormat);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WindowsCodecs_WICMatchMetadataContent' -Namespace Win32 -PassThru
# $api::WICMatchMetadataContent(guidContainerFormat, pguidVendor, pIStream, pguidMetadataFormat)
#uselib "WindowsCodecs.dll"
#func global WICMatchMetadataContent "WICMatchMetadataContent" sptr, sptr, sptr, sptr
; WICMatchMetadataContent varptr(guidContainerFormat), varptr(pguidVendor), pIStream, varptr(pguidMetadataFormat)   ; 戻り値は stat
; guidContainerFormat : GUID* -> "sptr"
; pguidVendor : GUID* optional -> "sptr"
; pIStream : IStream* -> "sptr"
; pguidMetadataFormat : GUID* 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 "WindowsCodecs.dll"
#cfunc global WICMatchMetadataContent "WICMatchMetadataContent" var, var, sptr, var
; res = WICMatchMetadataContent(guidContainerFormat, pguidVendor, pIStream, pguidMetadataFormat)
; guidContainerFormat : GUID* -> "var"
; pguidVendor : GUID* optional -> "var"
; pIStream : IStream* -> "sptr"
; pguidMetadataFormat : GUID* 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。
出力引数: 
; HRESULT WICMatchMetadataContent(GUID* guidContainerFormat, GUID* pguidVendor, IStream* pIStream, GUID* pguidMetadataFormat)
#uselib "WindowsCodecs.dll"
#cfunc global WICMatchMetadataContent "WICMatchMetadataContent" var, var, intptr, var
; res = WICMatchMetadataContent(guidContainerFormat, pguidVendor, pIStream, pguidMetadataFormat)
; guidContainerFormat : GUID* -> "var"
; pguidVendor : GUID* optional -> "var"
; pIStream : IStream* -> "intptr"
; pguidMetadataFormat : GUID* 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 (
	windowscodecs = windows.NewLazySystemDLL("WindowsCodecs.dll")
	procWICMatchMetadataContent = windowscodecs.NewProc("WICMatchMetadataContent")
)

// guidContainerFormat (GUID*), pguidVendor (GUID* optional), pIStream (IStream*), pguidMetadataFormat (GUID* out)
r1, _, err := procWICMatchMetadataContent.Call(
	uintptr(guidContainerFormat),
	uintptr(pguidVendor),
	uintptr(pIStream),
	uintptr(pguidMetadataFormat),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function WICMatchMetadataContent(
  guidContainerFormat: PGUID;   // GUID*
  pguidVendor: PGUID;   // GUID* optional
  pIStream: Pointer;   // IStream*
  pguidMetadataFormat: PGUID   // GUID* out
): Integer; stdcall;
  external 'WindowsCodecs.dll' name 'WICMatchMetadataContent';
result := DllCall("WindowsCodecs\WICMatchMetadataContent"
    , "Ptr", guidContainerFormat   ; GUID*
    , "Ptr", pguidVendor   ; GUID* optional
    , "Ptr", pIStream   ; IStream*
    , "Ptr", pguidMetadataFormat   ; GUID* out
    , "Int")   ; return: HRESULT
●WICMatchMetadataContent(guidContainerFormat, pguidVendor, pIStream, pguidMetadataFormat) = DLL("WindowsCodecs.dll", "int WICMatchMetadataContent(void*, void*, void*, void*)")
# 呼び出し: WICMatchMetadataContent(guidContainerFormat, pguidVendor, pIStream, pguidMetadataFormat)
# guidContainerFormat : GUID* -> "void*"
# pguidVendor : GUID* optional -> "void*"
# pIStream : IStream* -> "void*"
# pguidMetadataFormat : GUID* 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 "windowscodecs" fn WICMatchMetadataContent(
    guidContainerFormat: [*c]GUID, // GUID*
    pguidVendor: [*c]GUID, // GUID* optional
    pIStream: ?*anyopaque, // IStream*
    pguidMetadataFormat: [*c]GUID // GUID* out
) callconv(std.os.windows.WINAPI) i32;
proc WICMatchMetadataContent(
    guidContainerFormat: ptr GUID,  # GUID*
    pguidVendor: ptr GUID,  # GUID* optional
    pIStream: pointer,  # IStream*
    pguidMetadataFormat: ptr GUID  # GUID* out
): int32 {.importc: "WICMatchMetadataContent", stdcall, dynlib: "WindowsCodecs.dll".}
pragma(lib, "windowscodecs");
extern(Windows)
int WICMatchMetadataContent(
    GUID* guidContainerFormat,   // GUID*
    GUID* pguidVendor,   // GUID* optional
    void* pIStream,   // IStream*
    GUID* pguidMetadataFormat   // GUID* out
);
ccall((:WICMatchMetadataContent, "WindowsCodecs.dll"), stdcall, Int32,
      (Ptr{GUID}, Ptr{GUID}, Ptr{Cvoid}, Ptr{GUID}),
      guidContainerFormat, pguidVendor, pIStream, pguidMetadataFormat)
# guidContainerFormat : GUID* -> Ptr{GUID}
# pguidVendor : GUID* optional -> Ptr{GUID}
# pIStream : IStream* -> Ptr{Cvoid}
# pguidMetadataFormat : GUID* out -> Ptr{GUID}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t WICMatchMetadataContent(
    void* guidContainerFormat,
    void* pguidVendor,
    void* pIStream,
    void* pguidMetadataFormat);
]]
local windowscodecs = ffi.load("windowscodecs")
-- windowscodecs.WICMatchMetadataContent(guidContainerFormat, pguidVendor, pIStream, pguidMetadataFormat)
-- guidContainerFormat : GUID*
-- pguidVendor : GUID* optional
-- pIStream : IStream*
-- pguidMetadataFormat : GUID* 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('WindowsCodecs.dll');
const WICMatchMetadataContent = lib.func('__stdcall', 'WICMatchMetadataContent', 'int32_t', ['void *', 'void *', 'void *', 'void *']);
// WICMatchMetadataContent(guidContainerFormat, pguidVendor, pIStream, pguidMetadataFormat)
// guidContainerFormat : GUID* -> 'void *'
// pguidVendor : GUID* optional -> 'void *'
// pIStream : IStream* -> 'void *'
// pguidMetadataFormat : GUID* 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("WindowsCodecs.dll", {
  WICMatchMetadataContent: { parameters: ["pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.WICMatchMetadataContent(guidContainerFormat, pguidVendor, pIStream, pguidMetadataFormat)
// guidContainerFormat : GUID* -> "pointer"
// pguidVendor : GUID* optional -> "pointer"
// pIStream : IStream* -> "pointer"
// pguidMetadataFormat : GUID* 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 WICMatchMetadataContent(
    void* guidContainerFormat,
    void* pguidVendor,
    void* pIStream,
    void* pguidMetadataFormat);
C, "WindowsCodecs.dll");
// $ffi->WICMatchMetadataContent(guidContainerFormat, pguidVendor, pIStream, pguidMetadataFormat);
// guidContainerFormat : GUID*
// pguidVendor : GUID* optional
// pIStream : IStream*
// pguidMetadataFormat : GUID* 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 Windowscodecs extends StdCallLibrary {
    Windowscodecs INSTANCE = Native.load("windowscodecs", Windowscodecs.class);
    int WICMatchMetadataContent(
        Pointer guidContainerFormat,   // GUID*
        Pointer pguidVendor,   // GUID* optional
        Pointer pIStream,   // IStream*
        Pointer pguidMetadataFormat   // GUID* out
    );
}
@[Link("windowscodecs")]
lib LibWindowsCodecs
  fun WICMatchMetadataContent = WICMatchMetadataContent(
    guidContainerFormat : GUID*,   # GUID*
    pguidVendor : GUID*,   # GUID* optional
    pIStream : Void*,   # IStream*
    pguidMetadataFormat : GUID*   # GUID* 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 WICMatchMetadataContentNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef WICMatchMetadataContentDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
final WICMatchMetadataContent = DynamicLibrary.open('WindowsCodecs.dll')
    .lookupFunction<WICMatchMetadataContentNative, WICMatchMetadataContentDart>('WICMatchMetadataContent');
// guidContainerFormat : GUID* -> Pointer<Void>
// pguidVendor : GUID* optional -> Pointer<Void>
// pIStream : IStream* -> Pointer<Void>
// pguidMetadataFormat : GUID* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function WICMatchMetadataContent(
  guidContainerFormat: PGUID;   // GUID*
  pguidVendor: PGUID;   // GUID* optional
  pIStream: Pointer;   // IStream*
  pguidMetadataFormat: PGUID   // GUID* out
): Integer; stdcall;
  external 'WindowsCodecs.dll' name 'WICMatchMetadataContent';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "WICMatchMetadataContent"
  c_WICMatchMetadataContent :: Ptr () -> Ptr () -> Ptr () -> Ptr () -> IO Int32
-- guidContainerFormat : GUID* -> Ptr ()
-- pguidVendor : GUID* optional -> Ptr ()
-- pIStream : IStream* -> Ptr ()
-- pguidMetadataFormat : GUID* 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 wicmatchmetadatacontent =
  foreign "WICMatchMetadataContent"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* guidContainerFormat : GUID* -> (ptr void) *)
(* pguidVendor : GUID* optional -> (ptr void) *)
(* pIStream : IStream* -> (ptr void) *)
(* pguidMetadataFormat : GUID* 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 windowscodecs (t "WindowsCodecs.dll"))
(cffi:use-foreign-library windowscodecs)

(cffi:defcfun ("WICMatchMetadataContent" wicmatch-metadata-content :convention :stdcall) :int32
  (guid-container-format :pointer)   ; GUID*
  (pguid-vendor :pointer)   ; GUID* optional
  (p-istream :pointer)   ; IStream*
  (pguid-metadata-format :pointer))   ; GUID* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $WICMatchMetadataContent = Win32::API::More->new('WindowsCodecs',
    'int WICMatchMetadataContent(LPVOID guidContainerFormat, LPVOID pguidVendor, LPVOID pIStream, LPVOID pguidMetadataFormat)');
# my $ret = $WICMatchMetadataContent->Call($guidContainerFormat, $pguidVendor, $pIStream, $pguidMetadataFormat);
# guidContainerFormat : GUID* -> LPVOID
# pguidVendor : GUID* optional -> LPVOID
# pIStream : IStream* -> LPVOID
# pguidMetadataFormat : GUID* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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