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62 lines
2.2 KiB
62 lines
2.2 KiB
//------------------------------------------------------------------------------ |
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// File: DV.h |
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// |
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// Desc: DV typedefs and defines |
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// |
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// Copyright (c) 1997-2001, Microsoft Corporation. All rights reserved. |
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//------------------------------------------------------------------------------ |
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#ifndef _DV_H_ |
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#define _DV_H_ |
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#define DV_DVSD_NTSC_FRAMESIZE 120000L |
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#define DV_DVSD_PAL_FRAMESIZE 144000L |
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#define DV_SMCHN 0x0000e000 |
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#define DV_AUDIOMODE 0x00000f00 |
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#define DV_AUDIOSMP 0x38000000 |
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#define DV_AUDIOQU 0x07000000 |
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#define DV_NTSCPAL 0x00200000 |
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#define DV_STYPE 0x001f0000 |
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//There are NTSC or PAL DV camcorders |
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#define DV_NTSC 0 |
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#define DV_PAL 1 |
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//DV camcorder can output sd/hd/sl |
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#define DV_SD 0x00 |
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#define DV_HD 0x01 |
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#define DV_SL 0x02 |
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//user can choice 12 bits or 16 bits audio from DV camcorder |
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#define DV_CAP_AUD16Bits 0x00 |
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#define DV_CAP_AUD12Bits 0x01 |
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#define SIZE_DVINFO 0x20 |
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typedef struct Tag_DVAudInfo |
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{ |
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BYTE bAudStyle[2]; |
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//LSB 6 bits for starting DIF sequence number |
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//MSB 2 bits: 0 for mon. 1: stereo in one 5/6 DIF sequences, 2: stereo audio in both 5/6 DIF sequences |
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//example: 0x00: mon, audio in first 5/6 DIF sequence |
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// 0x05: mon, audio in 2nd 5 DIF sequence |
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// 0x15: stereo, audio only in 2nd 5 DIF sequence |
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// 0x10: stereo, audio only in 1st 5/6 DIF sequence |
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// 0x20: stereo, left ch in 1st 5/6 DIF sequence, right ch in 2nd 5/6 DIF sequence |
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// 0x26: stereo, rightch in 1st 6 DIF sequence, left ch in 2nd 6 DIF sequence |
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BYTE bAudQu[2]; //qbits, only support 12, 16, |
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BYTE bNumAudPin; //how many pins |
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WORD wAvgSamplesPerPinPerFrm[2]; //sample size for one audio pin in one frame(which has 10 or 12 DIF sequence) |
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WORD wBlkMode; //45 for NTSC, 54 for PAL |
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WORD wDIFMode; //5 for NTSC, 6 for PAL |
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WORD wBlkDiv; //15 for NTSC, 18 for PAL |
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} DVAudInfo; |
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#endif // _DV_H_
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