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AVIStreamInfoA
関数AVIストリームの情報を取得する(ANSI版)。
シグネチャ
// AVIFIL32.dll (ANSI / -A)
#include <windows.h>
HRESULT AVIStreamInfoA(
IAVIStream* pavi,
AVISTREAMINFOA* psi,
INT lSize
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| pavi | IAVIStream* | in |
| psi | AVISTREAMINFOA* | out |
| lSize | INT | in |
戻り値の型: HRESULT
各言語での呼び出し定義
// AVIFIL32.dll (ANSI / -A)
#include <windows.h>
HRESULT AVIStreamInfoA(
IAVIStream* pavi,
AVISTREAMINFOA* psi,
INT lSize
);[DllImport("AVIFIL32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern int AVIStreamInfoA(
IntPtr pavi, // IAVIStream*
IntPtr psi, // AVISTREAMINFOA* out
int lSize // INT
);<DllImport("AVIFIL32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function AVIStreamInfoA(
pavi As IntPtr, ' IAVIStream*
psi As IntPtr, ' AVISTREAMINFOA* out
lSize As Integer ' INT
) As Integer
End Function' pavi : IAVIStream*
' psi : AVISTREAMINFOA* out
' lSize : INT
Declare PtrSafe Function AVIStreamInfoA Lib "avifil32" ( _
ByVal pavi As LongPtr, _
ByVal psi As LongPtr, _
ByVal lSize 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
AVIStreamInfoA = ctypes.windll.avifil32.AVIStreamInfoA
AVIStreamInfoA.restype = ctypes.c_int
AVIStreamInfoA.argtypes = [
ctypes.c_void_p, # pavi : IAVIStream*
ctypes.c_void_p, # psi : AVISTREAMINFOA* out
ctypes.c_int, # lSize : INT
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('AVIFIL32.dll')
AVIStreamInfoA = Fiddle::Function.new(
lib['AVIStreamInfoA'],
[
Fiddle::TYPE_VOIDP, # pavi : IAVIStream*
Fiddle::TYPE_VOIDP, # psi : AVISTREAMINFOA* out
Fiddle::TYPE_INT, # lSize : INT
],
Fiddle::TYPE_INT)#[link(name = "avifil32")]
extern "system" {
fn AVIStreamInfoA(
pavi: *mut core::ffi::c_void, // IAVIStream*
psi: *mut AVISTREAMINFOA, // AVISTREAMINFOA* out
lSize: i32 // INT
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("AVIFIL32.dll", CharSet = CharSet.Ansi)]
public static extern int AVIStreamInfoA(IntPtr pavi, IntPtr psi, int lSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'AVIFIL32_AVIStreamInfoA' -Namespace Win32 -PassThru
# $api::AVIStreamInfoA(pavi, psi, lSize)#uselib "AVIFIL32.dll"
#func global AVIStreamInfoA "AVIStreamInfoA" sptr, sptr, sptr
; AVIStreamInfoA pavi, varptr(psi), lSize ; 戻り値は stat
; pavi : IAVIStream* -> "sptr"
; psi : AVISTREAMINFOA* out -> "sptr"
; lSize : INT -> "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 "AVIFIL32.dll" #cfunc global AVIStreamInfoA "AVIStreamInfoA" sptr, var, int ; res = AVIStreamInfoA(pavi, psi, lSize) ; pavi : IAVIStream* -> "sptr" ; psi : AVISTREAMINFOA* out -> "var" ; lSize : INT -> "int" ; ※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 "AVIFIL32.dll" #cfunc global AVIStreamInfoA "AVIStreamInfoA" sptr, sptr, int ; res = AVIStreamInfoA(pavi, varptr(psi), lSize) ; pavi : IAVIStream* -> "sptr" ; psi : AVISTREAMINFOA* out -> "sptr" ; lSize : INT -> "int" ; ※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 AVIStreamInfoA(IAVIStream* pavi, AVISTREAMINFOA* psi, INT lSize) #uselib "AVIFIL32.dll" #cfunc global AVIStreamInfoA "AVIStreamInfoA" intptr, var, int ; res = AVIStreamInfoA(pavi, psi, lSize) ; pavi : IAVIStream* -> "intptr" ; psi : AVISTREAMINFOA* out -> "var" ; lSize : INT -> "int" ; ※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 AVIStreamInfoA(IAVIStream* pavi, AVISTREAMINFOA* psi, INT lSize) #uselib "AVIFIL32.dll" #cfunc global AVIStreamInfoA "AVIStreamInfoA" intptr, intptr, int ; res = AVIStreamInfoA(pavi, varptr(psi), lSize) ; pavi : IAVIStream* -> "intptr" ; psi : AVISTREAMINFOA* out -> "intptr" ; lSize : INT -> "int" ; ※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 (
avifil32 = windows.NewLazySystemDLL("AVIFIL32.dll")
procAVIStreamInfoA = avifil32.NewProc("AVIStreamInfoA")
)
// pavi (IAVIStream*), psi (AVISTREAMINFOA* out), lSize (INT)
r1, _, err := procAVIStreamInfoA.Call(
uintptr(pavi),
uintptr(psi),
uintptr(lSize),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HRESULTfunction AVIStreamInfoA(
pavi: Pointer; // IAVIStream*
psi: Pointer; // AVISTREAMINFOA* out
lSize: Integer // INT
): Integer; stdcall;
external 'AVIFIL32.dll' name 'AVIStreamInfoA';result := DllCall("AVIFIL32\AVIStreamInfoA"
, "Ptr", pavi ; IAVIStream*
, "Ptr", psi ; AVISTREAMINFOA* out
, "Int", lSize ; INT
, "Int") ; return: HRESULT●AVIStreamInfoA(pavi, psi, lSize) = DLL("AVIFIL32.dll", "int AVIStreamInfoA(void*, void*, int)")
# 呼び出し: AVIStreamInfoA(pavi, psi, lSize)
# pavi : IAVIStream* -> "void*"
# psi : AVISTREAMINFOA* out -> "void*"
# lSize : INT -> "int"
# 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)。