cdda2wav.h

来自「刻录光盘的程序」· C头文件 代码 · 共 137 行

/* @(#)cdda2wav.h	1.3 00/01/25 Copyright 1998,1999 Heiko Eissfeldt */
/***
 * CopyPolicy: GNU Public License 2 applies
 * Copyright (C) by Heiko Eissfeldt
 *
 * prototypes from cdda2wav.c
 */
#ifdef max
#undef max
#endif
#ifdef min
#undef min
#endif
#define max(a,b) ((a) > (b) ? (a) : (b))
#define min(a,b) ((a) < (b) ? (a) : (b))


/* verbose levels */
#define SHOW_TOC	1
#define SHOW_SUMMARY	2
#define SHOW_INDICES	4
#define SHOW_MCN	8
#define SHOW_ISRC	16
#define SHOW_STARTPOSITIONS	32
#define SHOW_TITLES	64
#define SHOW_JUSTAUDIOTRACKS	128
#define SHOW_MAX	255

/* Endianess */
#define GUESS (-2)
#define NONE (-1)
#define LITTLE 0
#define BIG 1

void FatalError __PR((const char *szMessage, ...));
void AnalyzeQchannel __PR(( unsigned frame ));
long SamplesNeeded __PR(( long amount, long undersampling));

#if defined (sun) && !defined(SVR4)
#define  atexit(f) on_exit(f, 0)
#endif

#ifndef	_LINUX_CDROM_H
#define	_LINUX_CDROM_H

/*
 * some fix numbers
 */
#define CD_MINS             74 /* max. minutes per CD, not really a limit */
#define CD_SECS             60 /* seconds per minute */
#define CD_FRAMES           75 /* frames per second */

#define CD_SYNC_SIZE        12 /* 12 sync bytes per raw data frame, not transfered by the drive */
#define CD_HEAD_SIZE         4 /* header (address) bytes per raw data frame */
#define CD_SUBHEAD_SIZE      8 /* subheader bytes per raw XA data frame */
#define CD_XA_HEAD        (CD_HEAD_SIZE+CD_SUBHEAD_SIZE) /* "before data" part of raw XA frame */
#define CD_XA_SYNC_HEAD   (CD_SYNC_SIZE+CD_XA_HEAD)/* sync bytes + header of XA frame */

#define CD_FRAMESIZE      2048 /* bytes per frame, "cooked" mode */
#define CD_FRAMESIZE_RAW  2352 /* bytes per frame, "raw" mode */
/* most drives don't deliver everything: */
#define CD_FRAMESIZE_RAW1 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE) /* 2340 */
#define CD_FRAMESIZE_RAW0 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE-CD_HEAD_SIZE) /* 2336 */
/* Optics drive also has a 'read all' mode: */
#define CD_FRAMESIZE_RAWER 2646 /* bytes per frame */

#define CD_EDC_SIZE         4 /* bytes EDC per most raw data frame types */
#define CD_ZERO_SIZE        8 /* bytes zero per yellow book mode 1 frame */
#define CD_ECC_SIZE       276 /* bytes ECC per most raw data frame types */
#define CD_XA_TAIL        (CD_EDC_SIZE+CD_ECC_SIZE) /* "after data" part of raw XA frame */

#define CD_FRAMESIZE_SUB    96 /* subchannel data "frame" size */
#define CD_MSF_OFFSET      150 /* MSF numbering offset of first frame */

#define CD_CHUNK_SIZE       24 /* lowest-level "data bytes piece" */
#define CD_NUM_OF_CHUNKS    98 /* chunks per frame */

#define CD_FRAMESIZE_XA CD_FRAMESIZE_RAW1 /* obsolete name */
#define CD_BLOCK_OFFSET    CD_MSF_OFFSET /* obsolete name */

/*
 * the raw frame layout:
 *
 * - audio (red):                  | audio_sample_bytes |
 *                                 |        2352        |
 *
 * - data (yellow, mode1):         | sync - head - data - EDC - zero - ECC |
 *                                 |  12  -   4  - 2048 -  4  -   8  - 276 |
 *
 * - data (yellow, mode2):         | sync - head - data |
 *                                 |  12  -   4  - 2336 |
 *
 * - XA data (green, mode2 form1): | sync - head - sub - data - EDC - ECC |
 *                                 |  12  -   4  -  8  - 2048 -  4  - 276 |
 *
 * - XA data (green, mode2 form2): | sync - head - sub - data - EDC |
 *                                 |  12  -   4  -  8  - 2324 -  4  |
 */


/*
 * CD-ROM address types (cdrom_tocentry.cdte_format)
 */
#if	!defined CDROM_LBA
#define	CDROM_LBA 0x01 /* "logical block": first frame is #0 */
#define	CDROM_MSF 0x02 /* "minute-second-frame": binary, not bcd here! */
#endif
/*
 * bit to tell whether track is data or audio (cdrom_tocentry.cdte_ctrl)
 */
#define	CDROM_DATA_TRACK	0x04

/*
 * The leadout track is always 0xAA, regardless of # of tracks on disc
 */
#define	CDROM_LEADOUT	0xAA

/*
 * audio states (from SCSI-2, but seen with other drives, too)
 */
#define	CDROM_AUDIO_INVALID	0x00	/* audio status not supported */
#define	CDROM_AUDIO_PLAY	0x11	/* audio play operation in progress */
#define	CDROM_AUDIO_PAUSED	0x12	/* audio play operation paused */
#define	CDROM_AUDIO_COMPLETED	0x13	/* audio play successfully completed */
#define	CDROM_AUDIO_ERROR	0x14	/* audio play stopped due to error */
#define	CDROM_AUDIO_NO_STATUS	0x15	/* no current audio status to return */

#ifdef FIVETWELVE
#define	CDROM_MODE1_SIZE	512
#else
#define	CDROM_MODE1_SIZE	2048
#endif /*FIVETWELVE*/
#define	CDROM_MODE2_SIZE	2336

#endif