ホーム › Media.KernelStreaming › KSEVENT_TUNER_INITIATE_SCAN_S
KSEVENT_TUNER_INITIATE_SCAN_S
構造体サイズ=各フィールドのバイト数(x64/x86 で異なる場合は x64/x86 と併記)。x64/x86 列=フィールドのバイトオフセット(HSPで dupptr / lpoke / wpoke 等に使用)。
フィールド
| フィールド | 型 | サイズ | x64 | x86 | 説明 |
|---|---|---|---|---|---|
| EventData | KSEVENTDATA | 16/8 | +0 | +0 | イベント要求のヘッダ情報を保持するKSEVENTDATA。 |
| StartFrequency | DWORD | 4 | +16 | +8 | スキャンを開始する周波数をHz単位で示す。 |
| EndFrequency | DWORD | 4 | +20 | +12 | スキャンを終了する周波数をHz単位で示す。 |
各言語での定義
#include <windows.h>
// KSEVENTDATA (x64 16 / x86 8 バイト)
typedef struct KSEVENTDATA {
DWORD NotificationType;
_Anonymous_e__Union Anonymous;
} KSEVENTDATA;
// KSEVENT_TUNER_INITIATE_SCAN_S (x64 24 / x86 16 バイト)
typedef struct KSEVENT_TUNER_INITIATE_SCAN_S {
KSEVENTDATA EventData;
DWORD StartFrequency;
DWORD EndFrequency;
} KSEVENT_TUNER_INITIATE_SCAN_S;using System;
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct KSEVENTDATA
{
public uint NotificationType;
public _Anonymous_e__Union Anonymous;
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct KSEVENT_TUNER_INITIATE_SCAN_S
{
public KSEVENTDATA EventData;
public uint StartFrequency;
public uint EndFrequency;
}Imports System.Runtime.InteropServices
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure KSEVENTDATA
Public NotificationType As UInteger
Public Anonymous As _Anonymous_e__Union
End Structure
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure KSEVENT_TUNER_INITIATE_SCAN_S
Public EventData As KSEVENTDATA
Public StartFrequency As UInteger
Public EndFrequency As UInteger
End Structureimport ctypes
from ctypes import wintypes
class KSEVENTDATA(ctypes.Structure):
_fields_ = [
("NotificationType", wintypes.DWORD),
("Anonymous", _Anonymous_e__Union),
]
class KSEVENT_TUNER_INITIATE_SCAN_S(ctypes.Structure):
_fields_ = [
("EventData", KSEVENTDATA),
("StartFrequency", wintypes.DWORD),
("EndFrequency", wintypes.DWORD),
]#[repr(C)]
pub struct KSEVENTDATA {
pub NotificationType: u32,
pub Anonymous: _Anonymous_e__Union,
}
#[repr(C)]
pub struct KSEVENT_TUNER_INITIATE_SCAN_S {
pub EventData: KSEVENTDATA,
pub StartFrequency: u32,
pub EndFrequency: u32,
}import "golang.org/x/sys/windows"
type KSEVENTDATA struct {
NotificationType uint32
Anonymous _Anonymous_e__Union
}
type KSEVENT_TUNER_INITIATE_SCAN_S struct {
EventData KSEVENTDATA
StartFrequency uint32
EndFrequency uint32
}type
KSEVENTDATA = record
NotificationType: DWORD;
Anonymous: _Anonymous_e__Union;
end;
KSEVENT_TUNER_INITIATE_SCAN_S = record
EventData: KSEVENTDATA;
StartFrequency: DWORD;
EndFrequency: DWORD;
end;const KSEVENTDATA = extern struct {
NotificationType: u32,
Anonymous: _Anonymous_e__Union,
};
const KSEVENT_TUNER_INITIATE_SCAN_S = extern struct {
EventData: KSEVENTDATA,
StartFrequency: u32,
EndFrequency: u32,
};type
KSEVENTDATA {.bycopy.} = object
NotificationType: uint32
Anonymous: _Anonymous_e__Union
KSEVENT_TUNER_INITIATE_SCAN_S {.bycopy.} = object
EventData: KSEVENTDATA
StartFrequency: uint32
EndFrequency: uint32struct KSEVENTDATA
{
uint NotificationType;
_Anonymous_e__Union Anonymous;
}
struct KSEVENT_TUNER_INITIATE_SCAN_S
{
KSEVENTDATA EventData;
uint StartFrequency;
uint EndFrequency;
}HSP用 定義
HSP3.7/3.8 は構造体機能が無いため4byte整数配列(dim)+peek/poke で操作(32/64bitでサイズ・位置が異なる場合はタブで分割)。IronHSP は NSTRUCT(#defstruct/stdim/->)で32/64bit共通。
; HSP3.7/3.8 は構造体機能が無いため、4byte整数の配列変数で操作します。(x86 レイアウト)
; KSEVENT_TUNER_INITIATE_SCAN_S サイズ: 16 バイト(x86)
dim st, 4 ; 4byte整数×4(構造体サイズ 16 / 4 切り上げ)
; EventData : KSEVENTDATA (+0, 8byte) varptr(st)+0 を基点に操作(8byte:入れ子/配列)
; StartFrequency : DWORD (+8, 4byte) st.2 = 値 / 値 = st.2 (lpoke/lpeek も可)
; EndFrequency : DWORD (+12, 4byte) st.3 = 値 / 値 = st.3 (lpoke/lpeek も可)
; ※4byte境界の整数は添字 st.N(N=オフセット/4)で読み書き可。それ以外は peek/poke 系を使用。; HSP3.7/3.8 は構造体機能が無いため、4byte整数の配列変数で操作します。(x64 レイアウト)
; KSEVENT_TUNER_INITIATE_SCAN_S サイズ: 24 バイト(x64)
dim st, 6 ; 4byte整数×6(構造体サイズ 24 / 4 切り上げ)
; EventData : KSEVENTDATA (+0, 16byte) varptr(st)+0 を基点に操作(16byte:入れ子/配列)
; StartFrequency : DWORD (+16, 4byte) st.4 = 値 / 値 = st.4 (lpoke/lpeek も可)
; EndFrequency : DWORD (+20, 4byte) st.5 = 値 / 値 = st.5 (lpoke/lpeek も可)
; ※4byte境界の整数は添字 st.N(N=オフセット/4)で読み書き可。それ以外は peek/poke 系を使用。; IronHSP は NSTRUCT(構造体)をサポート。32bit/64bit どちらでも同じコードで動作します。
; ※GUID・入れ子構造体はデフォルト型でないため、依存する #defstruct を先に定義(下記に同梱)。
#defstruct global KSEVENTDATA
#field int NotificationType
#field byte Anonymous 8
#endstruct
#defstruct global KSEVENT_TUNER_INITIATE_SCAN_S
#field KSEVENTDATA EventData
#field int StartFrequency
#field int EndFrequency
#endstruct
stdim st, KSEVENT_TUNER_INITIATE_SCAN_S ; NSTRUCT 変数を確保
st->StartFrequency = 100
mes "StartFrequency=" + st->StartFrequency