Win32 API 日本語リファレンス
ホームMedia.KernelStreaming › KsCreateClock

KsCreateClock

関数
カーネルストリーミングのクロックオブジェクトを生成する。
DLLksuser.dll呼出規約winapi

シグネチャ

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

DWORD KsCreateClock(
    HANDLE ConnectionHandle,
    KSCLOCK_CREATE* ClockCreate,
    HANDLE* ClockHandle
);

パラメーター

名前方向
ConnectionHandleHANDLEin
ClockCreateKSCLOCK_CREATE*in
ClockHandleHANDLE*out

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD KsCreateClock(
    HANDLE ConnectionHandle,
    KSCLOCK_CREATE* ClockCreate,
    HANDLE* ClockHandle
);
[DllImport("ksuser.dll", ExactSpelling = true)]
static extern uint KsCreateClock(
    IntPtr ConnectionHandle,   // HANDLE
    IntPtr ClockCreate,   // KSCLOCK_CREATE*
    IntPtr ClockHandle   // HANDLE* out
);
<DllImport("ksuser.dll", ExactSpelling:=True)>
Public Shared Function KsCreateClock(
    ConnectionHandle As IntPtr,   ' HANDLE
    ClockCreate As IntPtr,   ' KSCLOCK_CREATE*
    ClockHandle As IntPtr   ' HANDLE* out
) As UInteger
End Function
' ConnectionHandle : HANDLE
' ClockCreate : KSCLOCK_CREATE*
' ClockHandle : HANDLE* out
Declare PtrSafe Function KsCreateClock Lib "ksuser" ( _
    ByVal ConnectionHandle As LongPtr, _
    ByVal ClockCreate As LongPtr, _
    ByVal ClockHandle 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

KsCreateClock = ctypes.windll.ksuser.KsCreateClock
KsCreateClock.restype = wintypes.DWORD
KsCreateClock.argtypes = [
    wintypes.HANDLE,  # ConnectionHandle : HANDLE
    ctypes.c_void_p,  # ClockCreate : KSCLOCK_CREATE*
    ctypes.c_void_p,  # ClockHandle : HANDLE* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ksuser.dll')
KsCreateClock = Fiddle::Function.new(
  lib['KsCreateClock'],
  [
    Fiddle::TYPE_VOIDP,  # ConnectionHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # ClockCreate : KSCLOCK_CREATE*
    Fiddle::TYPE_VOIDP,  # ClockHandle : HANDLE* out
  ],
  -Fiddle::TYPE_INT)
#[link(name = "ksuser")]
extern "system" {
    fn KsCreateClock(
        ConnectionHandle: *mut core::ffi::c_void,  // HANDLE
        ClockCreate: *mut KSCLOCK_CREATE,  // KSCLOCK_CREATE*
        ClockHandle: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("ksuser.dll")]
public static extern uint KsCreateClock(IntPtr ConnectionHandle, IntPtr ClockCreate, IntPtr ClockHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ksuser_KsCreateClock' -Namespace Win32 -PassThru
# $api::KsCreateClock(ConnectionHandle, ClockCreate, ClockHandle)
#uselib "ksuser.dll"
#func global KsCreateClock "KsCreateClock" sptr, sptr, sptr
; KsCreateClock ConnectionHandle, varptr(ClockCreate), ClockHandle   ; 戻り値は stat
; ConnectionHandle : HANDLE -> "sptr"
; ClockCreate : KSCLOCK_CREATE* -> "sptr"
; ClockHandle : HANDLE* 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 "ksuser.dll"
#cfunc global KsCreateClock "KsCreateClock" sptr, var, sptr
; res = KsCreateClock(ConnectionHandle, ClockCreate, ClockHandle)
; ConnectionHandle : HANDLE -> "sptr"
; ClockCreate : KSCLOCK_CREATE* -> "var"
; ClockHandle : HANDLE* out -> "sptr"
; ※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:
; DWORD KsCreateClock(HANDLE ConnectionHandle, KSCLOCK_CREATE* ClockCreate, HANDLE* ClockHandle)
#uselib "ksuser.dll"
#cfunc global KsCreateClock "KsCreateClock" intptr, var, intptr
; res = KsCreateClock(ConnectionHandle, ClockCreate, ClockHandle)
; ConnectionHandle : HANDLE -> "intptr"
; ClockCreate : KSCLOCK_CREATE* -> "var"
; ClockHandle : HANDLE* out -> "intptr"
; ※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 (
	ksuser = windows.NewLazySystemDLL("ksuser.dll")
	procKsCreateClock = ksuser.NewProc("KsCreateClock")
)

// ConnectionHandle (HANDLE), ClockCreate (KSCLOCK_CREATE*), ClockHandle (HANDLE* out)
r1, _, err := procKsCreateClock.Call(
	uintptr(ConnectionHandle),
	uintptr(ClockCreate),
	uintptr(ClockHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function KsCreateClock(
  ConnectionHandle: THandle;   // HANDLE
  ClockCreate: Pointer;   // KSCLOCK_CREATE*
  ClockHandle: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'ksuser.dll' name 'KsCreateClock';
result := DllCall("ksuser\KsCreateClock"
    , "Ptr", ConnectionHandle   ; HANDLE
    , "Ptr", ClockCreate   ; KSCLOCK_CREATE*
    , "Ptr", ClockHandle   ; HANDLE* out
    , "UInt")   ; return: DWORD
●KsCreateClock(ConnectionHandle, ClockCreate, ClockHandle) = DLL("ksuser.dll", "dword KsCreateClock(void*, void*, void*)")
# 呼び出し: KsCreateClock(ConnectionHandle, ClockCreate, ClockHandle)
# ConnectionHandle : HANDLE -> "void*"
# ClockCreate : KSCLOCK_CREATE* -> "void*"
# ClockHandle : HANDLE* 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)。