ホーム › Media.MediaFoundation › MFInitMediaTypeFromVideoInfoHeader
MFInitMediaTypeFromVideoInfoHeader
関数VIDEOINFOHEADERからメディア型を初期化する。
シグネチャ
// MFPlat.dll
#include <windows.h>
HRESULT MFInitMediaTypeFromVideoInfoHeader(
IMFMediaType* pMFType,
const VIDEOINFOHEADER* pVIH,
DWORD cbBufSize,
const GUID* pSubtype // optional
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| pMFType | IMFMediaType* | in |
| pVIH | VIDEOINFOHEADER* | in |
| cbBufSize | DWORD | in |
| pSubtype | GUID* | inoptional |
戻り値の型: HRESULT
各言語での呼び出し定義
// MFPlat.dll
#include <windows.h>
HRESULT MFInitMediaTypeFromVideoInfoHeader(
IMFMediaType* pMFType,
const VIDEOINFOHEADER* pVIH,
DWORD cbBufSize,
const GUID* pSubtype // optional
);[DllImport("MFPlat.dll", ExactSpelling = true)]
static extern int MFInitMediaTypeFromVideoInfoHeader(
IntPtr pMFType, // IMFMediaType*
IntPtr pVIH, // VIDEOINFOHEADER*
uint cbBufSize, // DWORD
IntPtr pSubtype // GUID* optional
);<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFInitMediaTypeFromVideoInfoHeader(
pMFType As IntPtr, ' IMFMediaType*
pVIH As IntPtr, ' VIDEOINFOHEADER*
cbBufSize As UInteger, ' DWORD
pSubtype As IntPtr ' GUID* optional
) As Integer
End Function' pMFType : IMFMediaType*
' pVIH : VIDEOINFOHEADER*
' cbBufSize : DWORD
' pSubtype : GUID* optional
Declare PtrSafe Function MFInitMediaTypeFromVideoInfoHeader Lib "mfplat" ( _
ByVal pMFType As LongPtr, _
ByVal pVIH 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
MFInitMediaTypeFromVideoInfoHeader = ctypes.windll.mfplat.MFInitMediaTypeFromVideoInfoHeader
MFInitMediaTypeFromVideoInfoHeader.restype = ctypes.c_int
MFInitMediaTypeFromVideoInfoHeader.argtypes = [
ctypes.c_void_p, # pMFType : IMFMediaType*
ctypes.c_void_p, # pVIH : VIDEOINFOHEADER*
wintypes.DWORD, # cbBufSize : DWORD
ctypes.c_void_p, # pSubtype : GUID* optional
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('MFPlat.dll')
MFInitMediaTypeFromVideoInfoHeader = Fiddle::Function.new(
lib['MFInitMediaTypeFromVideoInfoHeader'],
[
Fiddle::TYPE_VOIDP, # pMFType : IMFMediaType*
Fiddle::TYPE_VOIDP, # pVIH : VIDEOINFOHEADER*
-Fiddle::TYPE_INT, # cbBufSize : DWORD
Fiddle::TYPE_VOIDP, # pSubtype : GUID* optional
],
Fiddle::TYPE_INT)#[link(name = "mfplat")]
extern "system" {
fn MFInitMediaTypeFromVideoInfoHeader(
pMFType: *mut core::ffi::c_void, // IMFMediaType*
pVIH: *const VIDEOINFOHEADER, // VIDEOINFOHEADER*
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 MFInitMediaTypeFromVideoInfoHeader(IntPtr pMFType, IntPtr pVIH, uint cbBufSize, IntPtr pSubtype);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFInitMediaTypeFromVideoInfoHeader' -Namespace Win32 -PassThru
# $api::MFInitMediaTypeFromVideoInfoHeader(pMFType, pVIH, cbBufSize, pSubtype)#uselib "MFPlat.dll"
#func global MFInitMediaTypeFromVideoInfoHeader "MFInitMediaTypeFromVideoInfoHeader" sptr, sptr, sptr, sptr
; MFInitMediaTypeFromVideoInfoHeader pMFType, varptr(pVIH), cbBufSize, varptr(pSubtype) ; 戻り値は stat
; pMFType : IMFMediaType* -> "sptr"
; pVIH : VIDEOINFOHEADER* -> "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。出力引数:
#uselib "MFPlat.dll" #cfunc global MFInitMediaTypeFromVideoInfoHeader "MFInitMediaTypeFromVideoInfoHeader" sptr, var, int, var ; res = MFInitMediaTypeFromVideoInfoHeader(pMFType, pVIH, cbBufSize, pSubtype) ; pMFType : IMFMediaType* -> "sptr" ; pVIH : VIDEOINFOHEADER* -> "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。#uselib "MFPlat.dll" #cfunc global MFInitMediaTypeFromVideoInfoHeader "MFInitMediaTypeFromVideoInfoHeader" sptr, sptr, int, sptr ; res = MFInitMediaTypeFromVideoInfoHeader(pMFType, varptr(pVIH), cbBufSize, varptr(pSubtype)) ; pMFType : IMFMediaType* -> "sptr" ; pVIH : VIDEOINFOHEADER* -> "sptr" ; cbBufSize : DWORD -> "int" ; pSubtype : GUID* optional -> "sptr" ; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。
出力引数:
; HRESULT MFInitMediaTypeFromVideoInfoHeader(IMFMediaType* pMFType, VIDEOINFOHEADER* pVIH, DWORD cbBufSize, GUID* pSubtype) #uselib "MFPlat.dll" #cfunc global MFInitMediaTypeFromVideoInfoHeader "MFInitMediaTypeFromVideoInfoHeader" intptr, var, int, var ; res = MFInitMediaTypeFromVideoInfoHeader(pMFType, pVIH, cbBufSize, pSubtype) ; pMFType : IMFMediaType* -> "intptr" ; pVIH : VIDEOINFOHEADER* -> "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 MFInitMediaTypeFromVideoInfoHeader(IMFMediaType* pMFType, VIDEOINFOHEADER* pVIH, DWORD cbBufSize, GUID* pSubtype) #uselib "MFPlat.dll" #cfunc global MFInitMediaTypeFromVideoInfoHeader "MFInitMediaTypeFromVideoInfoHeader" intptr, intptr, int, intptr ; res = MFInitMediaTypeFromVideoInfoHeader(pMFType, varptr(pVIH), cbBufSize, varptr(pSubtype)) ; pMFType : IMFMediaType* -> "intptr" ; pVIH : VIDEOINFOHEADER* -> "intptr" ; cbBufSize : DWORD -> "int" ; pSubtype : GUID* optional -> "intptr" ; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。
import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
mfplat = windows.NewLazySystemDLL("MFPlat.dll")
procMFInitMediaTypeFromVideoInfoHeader = mfplat.NewProc("MFInitMediaTypeFromVideoInfoHeader")
)
// pMFType (IMFMediaType*), pVIH (VIDEOINFOHEADER*), cbBufSize (DWORD), pSubtype (GUID* optional)
r1, _, err := procMFInitMediaTypeFromVideoInfoHeader.Call(
uintptr(pMFType),
uintptr(pVIH),
uintptr(cbBufSize),
uintptr(pSubtype),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HRESULTfunction MFInitMediaTypeFromVideoInfoHeader(
pMFType: Pointer; // IMFMediaType*
pVIH: Pointer; // VIDEOINFOHEADER*
cbBufSize: DWORD; // DWORD
pSubtype: PGUID // GUID* optional
): Integer; stdcall;
external 'MFPlat.dll' name 'MFInitMediaTypeFromVideoInfoHeader';result := DllCall("MFPlat\MFInitMediaTypeFromVideoInfoHeader"
, "Ptr", pMFType ; IMFMediaType*
, "Ptr", pVIH ; VIDEOINFOHEADER*
, "UInt", cbBufSize ; DWORD
, "Ptr", pSubtype ; GUID* optional
, "Int") ; return: HRESULT●MFInitMediaTypeFromVideoInfoHeader(pMFType, pVIH, cbBufSize, pSubtype) = DLL("MFPlat.dll", "int MFInitMediaTypeFromVideoInfoHeader(void*, void*, dword, void*)")
# 呼び出し: MFInitMediaTypeFromVideoInfoHeader(pMFType, pVIH, cbBufSize, pSubtype)
# pMFType : IMFMediaType* -> "void*"
# pVIH : VIDEOINFOHEADER* -> "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)。