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AVIStreamInfoA

関数
AVIストリームの情報を取得する(ANSI版)。
DLLAVIFIL32.dll文字セットANSI (-A)呼出規約winapi対応OSWindows 2000 以降

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

名前方向
paviIAVIStream*in
psiAVISTREAMINFOA*out
lSizeINTin

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。
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。
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   // HRESULT
function 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)。