ホーム › Media.KernelStreaming › KS_VBIINFOHEADER
KS_VBIINFOHEADER
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 |
|---|---|---|---|---|---|
| StartLine | DWORD | 4 | +0 | +0 | VBIデータの開始走査線番号を示す。 |
| EndLine | DWORD | 4 | +4 | +4 | VBIデータの終了走査線番号を示す。 |
| SamplingFrequency | DWORD | 4 | +8 | +8 | VBIサンプリング周波数をHzで示す。 |
| MinLineStartTime | DWORD | 4 | +12 | +12 | 走査線開始時刻の最小値を示す。 |
| MaxLineStartTime | DWORD | 4 | +16 | +16 | 走査線開始時刻の最大値を示す。 |
| ActualLineStartTime | DWORD | 4 | +20 | +20 | 実際の走査線開始時刻を示す。 |
| ActualLineEndTime | DWORD | 4 | +24 | +24 | 実際の走査線終了時刻を示す。 |
| VideoStandard | DWORD | 4 | +28 | +28 | 対象の映像規格(NTSC/PALなど)を示す。 |
| SamplesPerLine | DWORD | 4 | +32 | +32 | 1走査線あたりのサンプル数を示す。 |
| StrideInBytes | DWORD | 4 | +36 | +36 | 1走査線分のバイト数(ストライド)を示す。 |
| BufferSize | DWORD | 4 | +40 | +40 | VBIバッファ全体のサイズをバイトで示す。 |
各言語での定義
#include <windows.h>
// KS_VBIINFOHEADER (x64 44 / x86 44 バイト)
typedef struct KS_VBIINFOHEADER {
DWORD StartLine;
DWORD EndLine;
DWORD SamplingFrequency;
DWORD MinLineStartTime;
DWORD MaxLineStartTime;
DWORD ActualLineStartTime;
DWORD ActualLineEndTime;
DWORD VideoStandard;
DWORD SamplesPerLine;
DWORD StrideInBytes;
DWORD BufferSize;
} KS_VBIINFOHEADER;using System;
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct KS_VBIINFOHEADER
{
public uint StartLine;
public uint EndLine;
public uint SamplingFrequency;
public uint MinLineStartTime;
public uint MaxLineStartTime;
public uint ActualLineStartTime;
public uint ActualLineEndTime;
public uint VideoStandard;
public uint SamplesPerLine;
public uint StrideInBytes;
public uint BufferSize;
}Imports System.Runtime.InteropServices
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure KS_VBIINFOHEADER
Public StartLine As UInteger
Public EndLine As UInteger
Public SamplingFrequency As UInteger
Public MinLineStartTime As UInteger
Public MaxLineStartTime As UInteger
Public ActualLineStartTime As UInteger
Public ActualLineEndTime As UInteger
Public VideoStandard As UInteger
Public SamplesPerLine As UInteger
Public StrideInBytes As UInteger
Public BufferSize As UInteger
End Structureimport ctypes
from ctypes import wintypes
class KS_VBIINFOHEADER(ctypes.Structure):
_fields_ = [
("StartLine", wintypes.DWORD),
("EndLine", wintypes.DWORD),
("SamplingFrequency", wintypes.DWORD),
("MinLineStartTime", wintypes.DWORD),
("MaxLineStartTime", wintypes.DWORD),
("ActualLineStartTime", wintypes.DWORD),
("ActualLineEndTime", wintypes.DWORD),
("VideoStandard", wintypes.DWORD),
("SamplesPerLine", wintypes.DWORD),
("StrideInBytes", wintypes.DWORD),
("BufferSize", wintypes.DWORD),
]#[repr(C)]
pub struct KS_VBIINFOHEADER {
pub StartLine: u32,
pub EndLine: u32,
pub SamplingFrequency: u32,
pub MinLineStartTime: u32,
pub MaxLineStartTime: u32,
pub ActualLineStartTime: u32,
pub ActualLineEndTime: u32,
pub VideoStandard: u32,
pub SamplesPerLine: u32,
pub StrideInBytes: u32,
pub BufferSize: u32,
}import "golang.org/x/sys/windows"
type KS_VBIINFOHEADER struct {
StartLine uint32
EndLine uint32
SamplingFrequency uint32
MinLineStartTime uint32
MaxLineStartTime uint32
ActualLineStartTime uint32
ActualLineEndTime uint32
VideoStandard uint32
SamplesPerLine uint32
StrideInBytes uint32
BufferSize uint32
}type
KS_VBIINFOHEADER = record
StartLine: DWORD;
EndLine: DWORD;
SamplingFrequency: DWORD;
MinLineStartTime: DWORD;
MaxLineStartTime: DWORD;
ActualLineStartTime: DWORD;
ActualLineEndTime: DWORD;
VideoStandard: DWORD;
SamplesPerLine: DWORD;
StrideInBytes: DWORD;
BufferSize: DWORD;
end;const KS_VBIINFOHEADER = extern struct {
StartLine: u32,
EndLine: u32,
SamplingFrequency: u32,
MinLineStartTime: u32,
MaxLineStartTime: u32,
ActualLineStartTime: u32,
ActualLineEndTime: u32,
VideoStandard: u32,
SamplesPerLine: u32,
StrideInBytes: u32,
BufferSize: u32,
};type
KS_VBIINFOHEADER {.bycopy.} = object
StartLine: uint32
EndLine: uint32
SamplingFrequency: uint32
MinLineStartTime: uint32
MaxLineStartTime: uint32
ActualLineStartTime: uint32
ActualLineEndTime: uint32
VideoStandard: uint32
SamplesPerLine: uint32
StrideInBytes: uint32
BufferSize: uint32struct KS_VBIINFOHEADER
{
uint StartLine;
uint EndLine;
uint SamplingFrequency;
uint MinLineStartTime;
uint MaxLineStartTime;
uint ActualLineStartTime;
uint ActualLineEndTime;
uint VideoStandard;
uint SamplesPerLine;
uint StrideInBytes;
uint BufferSize;
}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。(x64 レイアウト)
; KS_VBIINFOHEADER サイズ: 44 バイト(x64)
dim st, 11 ; 4byte整数×11(構造体サイズ 44 / 4 切り上げ)
; StartLine : DWORD (+0, 4byte) st.0 = 値 / 値 = st.0 (lpoke/lpeek も可)
; EndLine : DWORD (+4, 4byte) st.1 = 値 / 値 = st.1 (lpoke/lpeek も可)
; SamplingFrequency : DWORD (+8, 4byte) st.2 = 値 / 値 = st.2 (lpoke/lpeek も可)
; MinLineStartTime : DWORD (+12, 4byte) st.3 = 値 / 値 = st.3 (lpoke/lpeek も可)
; MaxLineStartTime : DWORD (+16, 4byte) st.4 = 値 / 値 = st.4 (lpoke/lpeek も可)
; ActualLineStartTime : DWORD (+20, 4byte) st.5 = 値 / 値 = st.5 (lpoke/lpeek も可)
; ActualLineEndTime : DWORD (+24, 4byte) st.6 = 値 / 値 = st.6 (lpoke/lpeek も可)
; VideoStandard : DWORD (+28, 4byte) st.7 = 値 / 値 = st.7 (lpoke/lpeek も可)
; SamplesPerLine : DWORD (+32, 4byte) st.8 = 値 / 値 = st.8 (lpoke/lpeek も可)
; StrideInBytes : DWORD (+36, 4byte) st.9 = 値 / 値 = st.9 (lpoke/lpeek も可)
; BufferSize : DWORD (+40, 4byte) st.10 = 値 / 値 = st.10 (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。
#defstruct global KS_VBIINFOHEADER
#field int StartLine
#field int EndLine
#field int SamplingFrequency
#field int MinLineStartTime
#field int MaxLineStartTime
#field int ActualLineStartTime
#field int ActualLineEndTime
#field int VideoStandard
#field int SamplesPerLine
#field int StrideInBytes
#field int BufferSize
#endstruct
stdim st, KS_VBIINFOHEADER ; NSTRUCT 変数を確保
st->StartLine = 100
mes "StartLine=" + st->StartLine