Source code of Windows XP (NT5)
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//------------------------------------------------------------------------------
// File: DV.h
//
// Desc: DV typedefs and defines.
//
// Copyright (c) 1997 - 2000, Microsoft Corporation. All rights reserved.
//------------------------------------------------------------------------------
#ifndef _DV_H_
#define _DV_H_
#define DV_DVSD_NTSC_FRAMESIZE 120000L
#define DV_DVSD_PAL_FRAMESIZE 144000L
#define DV_SMCHN 0x0000e000
#define DV_AUDIOMODE 0x00000f00
#define DV_AUDIOSMP 0x38000000
#define DV_AUDIOQU 0x07000000
#define DV_NTSCPAL 0x00200000
#define DV_STYPE 0x001f0000
//There are NTSC or PAL DV camcorders
#define DV_NTSC 0
#define DV_PAL 1
//DV camcorder can output sd/hd/sl
#define DV_SD 0x00
#define DV_HD 0x01
#define DV_SL 0x02
//user can choice 12 bits or 16 bits audio from DV camcorder
#define DV_CAP_AUD16Bits 0x00
#define DV_CAP_AUD12Bits 0x01
#define SIZE_DVINFO 0x20
typedef struct Tag_DVAudInfo{ BYTE bAudStyle[2]; //LSB 6 bits for starting DIF sequence number
//MSB 2 bits: 0 for mon. 1: stereo in one 5/6 DIF sequences, 2: stereo audio in both 5/6 DIF sequences
//example: 0x00: mon, audio in first 5/6 DIF sequence
// 0x05: mon, audio in 2nd 5 DIF sequence
// 0x15: stereo, audio only in 2nd 5 DIF sequence
// 0x10: stereo, audio only in 1st 5/6 DIF sequence
// 0x20: stereo, left ch in 1st 5/6 DIF sequence, right ch in 2nd 5/6 DIF sequence
// 0x26: stereo, rightch in 1st 6 DIF sequence, left ch in 2nd 6 DIF sequence
BYTE bAudQu[2]; //qbits, only support 12, 16,
BYTE bNumAudPin; //how many pin(language)
WORD wAvgSamplesPerPinPerFrm[2]; //samples size for one audio pin in one frame(which has 10 or 12 DIF sequence)
WORD wBlkMode; //45 for NTSC, 54 for PAL
WORD wDIFMode; //5 for NTSC, 6 for PAL
WORD wBlkDiv; //15 for NTSC, 18 for PAL
} DVAudInfo; #endif // _DV_H_
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