ホーム › Media.KernelStreaming › KS_DATARANGE_VIDEO_VBI
KS_DATARANGE_VIDEO_VBI
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 |
|---|---|---|---|---|---|
| DataRange | KSDATAFORMAT | 64 | +0 | +0 | 基底となるKSDATAFORMATデータ範囲記述子である。 |
| bFixedSizeSamples | BOOL | 4 | +64 | +64 | サンプルサイズが固定かを示すブール値である。 |
| bTemporalCompression | BOOL | 4 | +68 | +68 | 時間圧縮(フレーム間圧縮)を行うかを示すブール値である。 |
| StreamDescriptionFlags | DWORD | 4 | +72 | +72 | ストリーム記述に関するフラグの集合である。 |
| MemoryAllocationFlags | DWORD | 4 | +76 | +76 | メモリ割り当てに関するフラグの集合である。 |
| ConfigCaps | KS_VIDEO_STREAM_CONFIG_CAPS | 128 | +80 | +80 | ストリーム構成能力を示すKS_VIDEO_STREAM_CONFIG_CAPSである。 |
| VBIInfoHeader | KS_VBIINFOHEADER | 44 | +208 | +208 | VBIフォーマットを記述するKS_VBIINFOHEADERである。 |
各言語での定義
#include <windows.h>
// KSDATAFORMAT (x64 64 / x86 64 バイト)
typedef struct KSDATAFORMAT {
_Anonymous_e__Struct Anonymous;
LONGLONG Alignment;
} KSDATAFORMAT;
// SIZE (x64 8 / x86 8 バイト)
typedef struct SIZE {
INT cx;
INT cy;
} SIZE;
// KS_VIDEO_STREAM_CONFIG_CAPS (x64 128 / x86 128 バイト)
typedef struct KS_VIDEO_STREAM_CONFIG_CAPS {
GUID guid;
DWORD VideoStandard;
SIZE InputSize;
SIZE MinCroppingSize;
SIZE MaxCroppingSize;
INT CropGranularityX;
INT CropGranularityY;
INT CropAlignX;
INT CropAlignY;
SIZE MinOutputSize;
SIZE MaxOutputSize;
INT OutputGranularityX;
INT OutputGranularityY;
INT StretchTapsX;
INT StretchTapsY;
INT ShrinkTapsX;
INT ShrinkTapsY;
LONGLONG MinFrameInterval;
LONGLONG MaxFrameInterval;
INT MinBitsPerSecond;
INT MaxBitsPerSecond;
} KS_VIDEO_STREAM_CONFIG_CAPS;
// 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;
// KS_DATARANGE_VIDEO_VBI (x64 256 / x86 256 バイト)
typedef struct KS_DATARANGE_VIDEO_VBI {
KSDATAFORMAT DataRange;
BOOL bFixedSizeSamples;
BOOL bTemporalCompression;
DWORD StreamDescriptionFlags;
DWORD MemoryAllocationFlags;
KS_VIDEO_STREAM_CONFIG_CAPS ConfigCaps;
KS_VBIINFOHEADER VBIInfoHeader;
} KS_DATARANGE_VIDEO_VBI;using System;
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct KSDATAFORMAT
{
public _Anonymous_e__Struct Anonymous;
public long Alignment;
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SIZE
{
public int cx;
public int cy;
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct KS_VIDEO_STREAM_CONFIG_CAPS
{
public Guid guid;
public uint VideoStandard;
public SIZE InputSize;
public SIZE MinCroppingSize;
public SIZE MaxCroppingSize;
public int CropGranularityX;
public int CropGranularityY;
public int CropAlignX;
public int CropAlignY;
public SIZE MinOutputSize;
public SIZE MaxOutputSize;
public int OutputGranularityX;
public int OutputGranularityY;
public int StretchTapsX;
public int StretchTapsY;
public int ShrinkTapsX;
public int ShrinkTapsY;
public long MinFrameInterval;
public long MaxFrameInterval;
public int MinBitsPerSecond;
public int MaxBitsPerSecond;
}
[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;
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct KS_DATARANGE_VIDEO_VBI
{
public KSDATAFORMAT DataRange;
[MarshalAs(UnmanagedType.Bool)] public bool bFixedSizeSamples;
[MarshalAs(UnmanagedType.Bool)] public bool bTemporalCompression;
public uint StreamDescriptionFlags;
public uint MemoryAllocationFlags;
public KS_VIDEO_STREAM_CONFIG_CAPS ConfigCaps;
public KS_VBIINFOHEADER VBIInfoHeader;
}Imports System.Runtime.InteropServices
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure KSDATAFORMAT
Public Anonymous As _Anonymous_e__Struct
Public Alignment As Long
End Structure
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SIZE
Public cx As Integer
Public cy As Integer
End Structure
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure KS_VIDEO_STREAM_CONFIG_CAPS
Public guid As Guid
Public VideoStandard As UInteger
Public InputSize As SIZE
Public MinCroppingSize As SIZE
Public MaxCroppingSize As SIZE
Public CropGranularityX As Integer
Public CropGranularityY As Integer
Public CropAlignX As Integer
Public CropAlignY As Integer
Public MinOutputSize As SIZE
Public MaxOutputSize As SIZE
Public OutputGranularityX As Integer
Public OutputGranularityY As Integer
Public StretchTapsX As Integer
Public StretchTapsY As Integer
Public ShrinkTapsX As Integer
Public ShrinkTapsY As Integer
Public MinFrameInterval As Long
Public MaxFrameInterval As Long
Public MinBitsPerSecond As Integer
Public MaxBitsPerSecond As Integer
End Structure
<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 Structure
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure KS_DATARANGE_VIDEO_VBI
Public DataRange As KSDATAFORMAT
<MarshalAs(UnmanagedType.Bool)> Public bFixedSizeSamples As Boolean
<MarshalAs(UnmanagedType.Bool)> Public bTemporalCompression As Boolean
Public StreamDescriptionFlags As UInteger
Public MemoryAllocationFlags As UInteger
Public ConfigCaps As KS_VIDEO_STREAM_CONFIG_CAPS
Public VBIInfoHeader As KS_VBIINFOHEADER
End Structureimport ctypes
from ctypes import wintypes
class KSDATAFORMAT(ctypes.Structure):
_fields_ = [
("Anonymous", _Anonymous_e__Struct),
("Alignment", ctypes.c_longlong),
]
class SIZE(ctypes.Structure):
_fields_ = [
("cx", ctypes.c_int),
("cy", ctypes.c_int),
]
class KS_VIDEO_STREAM_CONFIG_CAPS(ctypes.Structure):
_fields_ = [
("guid", GUID),
("VideoStandard", wintypes.DWORD),
("InputSize", SIZE),
("MinCroppingSize", SIZE),
("MaxCroppingSize", SIZE),
("CropGranularityX", ctypes.c_int),
("CropGranularityY", ctypes.c_int),
("CropAlignX", ctypes.c_int),
("CropAlignY", ctypes.c_int),
("MinOutputSize", SIZE),
("MaxOutputSize", SIZE),
("OutputGranularityX", ctypes.c_int),
("OutputGranularityY", ctypes.c_int),
("StretchTapsX", ctypes.c_int),
("StretchTapsY", ctypes.c_int),
("ShrinkTapsX", ctypes.c_int),
("ShrinkTapsY", ctypes.c_int),
("MinFrameInterval", ctypes.c_longlong),
("MaxFrameInterval", ctypes.c_longlong),
("MinBitsPerSecond", ctypes.c_int),
("MaxBitsPerSecond", ctypes.c_int),
]
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),
]
class KS_DATARANGE_VIDEO_VBI(ctypes.Structure):
_fields_ = [
("DataRange", KSDATAFORMAT),
("bFixedSizeSamples", wintypes.BOOL),
("bTemporalCompression", wintypes.BOOL),
("StreamDescriptionFlags", wintypes.DWORD),
("MemoryAllocationFlags", wintypes.DWORD),
("ConfigCaps", KS_VIDEO_STREAM_CONFIG_CAPS),
("VBIInfoHeader", KS_VBIINFOHEADER),
]#[repr(C)]
pub struct KSDATAFORMAT {
pub Anonymous: _Anonymous_e__Struct,
pub Alignment: i64,
}
#[repr(C)]
pub struct SIZE {
pub cx: i32,
pub cy: i32,
}
#[repr(C)]
pub struct KS_VIDEO_STREAM_CONFIG_CAPS {
pub guid: GUID,
pub VideoStandard: u32,
pub InputSize: SIZE,
pub MinCroppingSize: SIZE,
pub MaxCroppingSize: SIZE,
pub CropGranularityX: i32,
pub CropGranularityY: i32,
pub CropAlignX: i32,
pub CropAlignY: i32,
pub MinOutputSize: SIZE,
pub MaxOutputSize: SIZE,
pub OutputGranularityX: i32,
pub OutputGranularityY: i32,
pub StretchTapsX: i32,
pub StretchTapsY: i32,
pub ShrinkTapsX: i32,
pub ShrinkTapsY: i32,
pub MinFrameInterval: i64,
pub MaxFrameInterval: i64,
pub MinBitsPerSecond: i32,
pub MaxBitsPerSecond: i32,
}
#[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,
}
#[repr(C)]
pub struct KS_DATARANGE_VIDEO_VBI {
pub DataRange: KSDATAFORMAT,
pub bFixedSizeSamples: i32,
pub bTemporalCompression: i32,
pub StreamDescriptionFlags: u32,
pub MemoryAllocationFlags: u32,
pub ConfigCaps: KS_VIDEO_STREAM_CONFIG_CAPS,
pub VBIInfoHeader: KS_VBIINFOHEADER,
}import "golang.org/x/sys/windows"
type KSDATAFORMAT struct {
Anonymous _Anonymous_e__Struct
Alignment int64
}
type SIZE struct {
cx int32
cy int32
}
type KS_VIDEO_STREAM_CONFIG_CAPS struct {
guid windows.GUID
VideoStandard uint32
InputSize SIZE
MinCroppingSize SIZE
MaxCroppingSize SIZE
CropGranularityX int32
CropGranularityY int32
CropAlignX int32
CropAlignY int32
MinOutputSize SIZE
MaxOutputSize SIZE
OutputGranularityX int32
OutputGranularityY int32
StretchTapsX int32
StretchTapsY int32
ShrinkTapsX int32
ShrinkTapsY int32
MinFrameInterval int64
MaxFrameInterval int64
MinBitsPerSecond int32
MaxBitsPerSecond int32
}
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_DATARANGE_VIDEO_VBI struct {
DataRange KSDATAFORMAT
bFixedSizeSamples int32
bTemporalCompression int32
StreamDescriptionFlags uint32
MemoryAllocationFlags uint32
ConfigCaps KS_VIDEO_STREAM_CONFIG_CAPS
VBIInfoHeader KS_VBIINFOHEADER
}type
KSDATAFORMAT = record
Anonymous: _Anonymous_e__Struct;
Alignment: Int64;
end;
SIZE = record
cx: Integer;
cy: Integer;
end;
KS_VIDEO_STREAM_CONFIG_CAPS = record
guid: TGUID;
VideoStandard: DWORD;
InputSize: SIZE;
MinCroppingSize: SIZE;
MaxCroppingSize: SIZE;
CropGranularityX: Integer;
CropGranularityY: Integer;
CropAlignX: Integer;
CropAlignY: Integer;
MinOutputSize: SIZE;
MaxOutputSize: SIZE;
OutputGranularityX: Integer;
OutputGranularityY: Integer;
StretchTapsX: Integer;
StretchTapsY: Integer;
ShrinkTapsX: Integer;
ShrinkTapsY: Integer;
MinFrameInterval: Int64;
MaxFrameInterval: Int64;
MinBitsPerSecond: Integer;
MaxBitsPerSecond: Integer;
end;
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;
KS_DATARANGE_VIDEO_VBI = record
DataRange: KSDATAFORMAT;
bFixedSizeSamples: BOOL;
bTemporalCompression: BOOL;
StreamDescriptionFlags: DWORD;
MemoryAllocationFlags: DWORD;
ConfigCaps: KS_VIDEO_STREAM_CONFIG_CAPS;
VBIInfoHeader: KS_VBIINFOHEADER;
end;const KSDATAFORMAT = extern struct {
Anonymous: _Anonymous_e__Struct,
Alignment: i64,
};
const SIZE = extern struct {
cx: i32,
cy: i32,
};
const KS_VIDEO_STREAM_CONFIG_CAPS = extern struct {
guid: GUID,
VideoStandard: u32,
InputSize: SIZE,
MinCroppingSize: SIZE,
MaxCroppingSize: SIZE,
CropGranularityX: i32,
CropGranularityY: i32,
CropAlignX: i32,
CropAlignY: i32,
MinOutputSize: SIZE,
MaxOutputSize: SIZE,
OutputGranularityX: i32,
OutputGranularityY: i32,
StretchTapsX: i32,
StretchTapsY: i32,
ShrinkTapsX: i32,
ShrinkTapsY: i32,
MinFrameInterval: i64,
MaxFrameInterval: i64,
MinBitsPerSecond: i32,
MaxBitsPerSecond: i32,
};
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,
};
const KS_DATARANGE_VIDEO_VBI = extern struct {
DataRange: KSDATAFORMAT,
bFixedSizeSamples: i32,
bTemporalCompression: i32,
StreamDescriptionFlags: u32,
MemoryAllocationFlags: u32,
ConfigCaps: KS_VIDEO_STREAM_CONFIG_CAPS,
VBIInfoHeader: KS_VBIINFOHEADER,
};type
KSDATAFORMAT {.bycopy.} = object
Anonymous: _Anonymous_e__Struct
Alignment: int64
SIZE {.bycopy.} = object
cx: int32
cy: int32
KS_VIDEO_STREAM_CONFIG_CAPS {.bycopy.} = object
guid: GUID
VideoStandard: uint32
InputSize: SIZE
MinCroppingSize: SIZE
MaxCroppingSize: SIZE
CropGranularityX: int32
CropGranularityY: int32
CropAlignX: int32
CropAlignY: int32
MinOutputSize: SIZE
MaxOutputSize: SIZE
OutputGranularityX: int32
OutputGranularityY: int32
StretchTapsX: int32
StretchTapsY: int32
ShrinkTapsX: int32
ShrinkTapsY: int32
MinFrameInterval: int64
MaxFrameInterval: int64
MinBitsPerSecond: int32
MaxBitsPerSecond: int32
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: uint32
KS_DATARANGE_VIDEO_VBI {.bycopy.} = object
DataRange: KSDATAFORMAT
bFixedSizeSamples: int32
bTemporalCompression: int32
StreamDescriptionFlags: uint32
MemoryAllocationFlags: uint32
ConfigCaps: KS_VIDEO_STREAM_CONFIG_CAPS
VBIInfoHeader: KS_VBIINFOHEADERstruct KSDATAFORMAT
{
_Anonymous_e__Struct Anonymous;
long Alignment;
}
struct SIZE
{
int cx;
int cy;
}
struct KS_VIDEO_STREAM_CONFIG_CAPS
{
GUID guid;
uint VideoStandard;
SIZE InputSize;
SIZE MinCroppingSize;
SIZE MaxCroppingSize;
int CropGranularityX;
int CropGranularityY;
int CropAlignX;
int CropAlignY;
SIZE MinOutputSize;
SIZE MaxOutputSize;
int OutputGranularityX;
int OutputGranularityY;
int StretchTapsX;
int StretchTapsY;
int ShrinkTapsX;
int ShrinkTapsY;
long MinFrameInterval;
long MaxFrameInterval;
int MinBitsPerSecond;
int MaxBitsPerSecond;
}
struct KS_VBIINFOHEADER
{
uint StartLine;
uint EndLine;
uint SamplingFrequency;
uint MinLineStartTime;
uint MaxLineStartTime;
uint ActualLineStartTime;
uint ActualLineEndTime;
uint VideoStandard;
uint SamplesPerLine;
uint StrideInBytes;
uint BufferSize;
}
struct KS_DATARANGE_VIDEO_VBI
{
KSDATAFORMAT DataRange;
int bFixedSizeSamples;
int bTemporalCompression;
uint StreamDescriptionFlags;
uint MemoryAllocationFlags;
KS_VIDEO_STREAM_CONFIG_CAPS ConfigCaps;
KS_VBIINFOHEADER VBIInfoHeader;
}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_DATARANGE_VIDEO_VBI サイズ: 256 バイト(x64)
dim st, 64 ; 4byte整数×64(構造体サイズ 256 / 4 切り上げ)
; DataRange : KSDATAFORMAT (+0, 64byte) varptr(st)+0 を基点に操作(64byte:入れ子/配列)
; bFixedSizeSamples : BOOL (+64, 4byte) st.16 = 値 / 値 = st.16 (lpoke/lpeek も可)
; bTemporalCompression : BOOL (+68, 4byte) st.17 = 値 / 値 = st.17 (lpoke/lpeek も可)
; StreamDescriptionFlags : DWORD (+72, 4byte) st.18 = 値 / 値 = st.18 (lpoke/lpeek も可)
; MemoryAllocationFlags : DWORD (+76, 4byte) st.19 = 値 / 値 = st.19 (lpoke/lpeek も可)
; ConfigCaps : KS_VIDEO_STREAM_CONFIG_CAPS (+80, 128byte) varptr(st)+80 を基点に操作(128byte:入れ子/配列)
; VBIInfoHeader : KS_VBIINFOHEADER (+208, 44byte) varptr(st)+208 を基点に操作(44byte:入れ子/配列)
; ※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 GUID, pack=1
#field int Data1
#field short Data2
#field short Data3
#field byte Data4 8
#endstruct
#defstruct global SIZE
#field int cx
#field int cy
#endstruct
#defstruct global KS_VIDEO_STREAM_CONFIG_CAPS
#field GUID guid
#field int VideoStandard
#field SIZE InputSize
#field SIZE MinCroppingSize
#field SIZE MaxCroppingSize
#field int CropGranularityX
#field int CropGranularityY
#field int CropAlignX
#field int CropAlignY
#field SIZE MinOutputSize
#field SIZE MaxOutputSize
#field int OutputGranularityX
#field int OutputGranularityY
#field int StretchTapsX
#field int StretchTapsY
#field int ShrinkTapsX
#field int ShrinkTapsY
#field int64 MinFrameInterval
#field int64 MaxFrameInterval
#field int MinBitsPerSecond
#field int MaxBitsPerSecond
#endstruct
#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
#defstruct global KS_DATARANGE_VIDEO_VBI
#field byte DataRange 64
#field bool bFixedSizeSamples
#field bool bTemporalCompression
#field int StreamDescriptionFlags
#field int MemoryAllocationFlags
#field KS_VIDEO_STREAM_CONFIG_CAPS ConfigCaps
#field KS_VBIINFOHEADER VBIInfoHeader
#endstruct
stdim st, KS_DATARANGE_VIDEO_VBI ; NSTRUCT 変数を確保
st->bFixedSizeSamples = 100
mes "bFixedSizeSamples=" + st->bFixedSizeSamples
; ※union フィールドは byte 列で確保(NSTRUCT は union 非対応)。必要に応じ手動でアクセス。