ホーム › Media.DirectShow.Tv › UDCR_TAG
UDCR_TAG
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 |
|---|---|---|---|---|---|
| bVersion | BYTE | 1 | +0 | +0 | UDCRタグの構造体バージョン。 |
| KID | BYTE | 25 | +1 | +1 | コンテンツ暗号化のキーID(KID)配列。 |
| ullBaseCounter | ULONGLONG | 8 | +32 | +32 | 暗号化に用いる基準カウンタ値(64ビット)。 |
| ullBaseCounterRange | ULONGLONG | 8 | +40 | +40 | 基準カウンタの有効範囲(64ビット)。 |
| fScrambled | BOOL | 4 | +48 | +48 | コンテンツがスクランブル(暗号化)されているか否か(BOOL)。 |
| bStreamMark | BYTE | 1 | +52 | +52 | ストリームマーク。識別用バイト。 |
| dwReserved1 | DWORD | 4 | +56 | +56 | 予約フィールド。将来の拡張用で通常は0。 |
| dwReserved2 | DWORD | 4 | +60 | +60 | 予約フィールド。将来の拡張用で通常は0。 |
各言語での定義
#include <windows.h>
// UDCR_TAG (x64 64 / x86 64 バイト)
typedef struct UDCR_TAG {
BYTE bVersion;
BYTE KID[25];
ULONGLONG ullBaseCounter;
ULONGLONG ullBaseCounterRange;
BOOL fScrambled;
BYTE bStreamMark;
DWORD dwReserved1;
DWORD dwReserved2;
} UDCR_TAG;using System;
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct UDCR_TAG
{
public byte bVersion;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 25)] public byte[] KID;
public ulong ullBaseCounter;
public ulong ullBaseCounterRange;
[MarshalAs(UnmanagedType.Bool)] public bool fScrambled;
public byte bStreamMark;
public uint dwReserved1;
public uint dwReserved2;
}Imports System.Runtime.InteropServices
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure UDCR_TAG
Public bVersion As Byte
<MarshalAs(UnmanagedType.ByValArray, SizeConst:=25)> Public KID() As Byte
Public ullBaseCounter As ULong
Public ullBaseCounterRange As ULong
<MarshalAs(UnmanagedType.Bool)> Public fScrambled As Boolean
Public bStreamMark As Byte
Public dwReserved1 As UInteger
Public dwReserved2 As UInteger
End Structureimport ctypes
from ctypes import wintypes
class UDCR_TAG(ctypes.Structure):
_fields_ = [
("bVersion", ctypes.c_ubyte),
("KID", ctypes.c_ubyte * 25),
("ullBaseCounter", ctypes.c_ulonglong),
("ullBaseCounterRange", ctypes.c_ulonglong),
("fScrambled", wintypes.BOOL),
("bStreamMark", ctypes.c_ubyte),
("dwReserved1", wintypes.DWORD),
("dwReserved2", wintypes.DWORD),
]#[repr(C)]
pub struct UDCR_TAG {
pub bVersion: u8,
pub KID: [u8; 25],
pub ullBaseCounter: u64,
pub ullBaseCounterRange: u64,
pub fScrambled: i32,
pub bStreamMark: u8,
pub dwReserved1: u32,
pub dwReserved2: u32,
}import "golang.org/x/sys/windows"
type UDCR_TAG struct {
bVersion byte
KID [25]byte
ullBaseCounter uint64
ullBaseCounterRange uint64
fScrambled int32
bStreamMark byte
dwReserved1 uint32
dwReserved2 uint32
}type
UDCR_TAG = record
bVersion: Byte;
KID: array[0..24] of Byte;
ullBaseCounter: UInt64;
ullBaseCounterRange: UInt64;
fScrambled: BOOL;
bStreamMark: Byte;
dwReserved1: DWORD;
dwReserved2: DWORD;
end;const UDCR_TAG = extern struct {
bVersion: u8,
KID: [25]u8,
ullBaseCounter: u64,
ullBaseCounterRange: u64,
fScrambled: i32,
bStreamMark: u8,
dwReserved1: u32,
dwReserved2: u32,
};type
UDCR_TAG {.bycopy.} = object
bVersion: uint8
KID: array[25, uint8]
ullBaseCounter: uint64
ullBaseCounterRange: uint64
fScrambled: int32
bStreamMark: uint8
dwReserved1: uint32
dwReserved2: uint32struct UDCR_TAG
{
ubyte bVersion;
ubyte[25] KID;
ulong ullBaseCounter;
ulong ullBaseCounterRange;
int fScrambled;
ubyte bStreamMark;
uint dwReserved1;
uint dwReserved2;
}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)
; UDCR_TAG サイズ: 64 バイト(x64)
dim st, 16 ; 4byte整数×16(構造体サイズ 64 / 4 切り上げ)
; bVersion : BYTE (+0, 1byte) poke st,0,値 / 値 = peek(st,0)
; KID : BYTE (+1, 25byte) varptr(st)+1 を基点に操作(25byte:入れ子/配列)
; ullBaseCounter : ULONGLONG (+32, 8byte) qpoke st,32,値 / qpeek(st,32) ※IronHSPのみ。3.7/3.8は lpoke st,32,下位 : lpoke st,36,上位
; ullBaseCounterRange : ULONGLONG (+40, 8byte) qpoke st,40,値 / qpeek(st,40) ※IronHSPのみ。3.7/3.8は lpoke st,40,下位 : lpoke st,44,上位
; fScrambled : BOOL (+48, 4byte) st.12 = 値 / 値 = st.12 (lpoke/lpeek も可)
; bStreamMark : BYTE (+52, 1byte) poke st,52,値 / 値 = peek(st,52)
; dwReserved1 : DWORD (+56, 4byte) st.14 = 値 / 値 = st.14 (lpoke/lpeek も可)
; dwReserved2 : DWORD (+60, 4byte) st.15 = 値 / 値 = st.15 (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 UDCR_TAG
#field byte bVersion
#field byte KID 25
#field int64 ullBaseCounter
#field int64 ullBaseCounterRange
#field bool fScrambled
#field byte bStreamMark
#field int dwReserved1
#field int dwReserved2
#endstruct
stdim st, UDCR_TAG ; NSTRUCT 変数を確保
st->bVersion = 100
mes "bVersion=" + st->bVersion