/* $OpenBSD: extern.h,v 1.17 2021/11/28 19:28:42 deraadt Exp $ */
/*
 * Copyright (c) 2002 Marc Espie.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OPENBSD
 * PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/queue.h>

#define cdio_isset(a,i)      ((a)[(i)>>3] & (1<<((i)&(NBBY-1))))
#define cdio_setbit(a,i)     ((a)[(i)>>3] |= 1<<((i)&(NBBY-1)))

struct cd_toc_entry;
struct track_info {
        off_t sz;
        off_t off;
        u_int blklen;
        int   fd;
        char *file;
        SLIST_ENTRY(track_info) track_list;
        char type;
        int   speed; 
};
SLIST_HEAD(track_head, track_info);
extern struct track_head tracks;

/* Read/Write speed */
#define DRIVE_SPEED_MAX         0xfffe
#define DRIVE_SPEED_OPTIMAL     0xffff  /* automatically adjusted by drive */

/* Convert writing speed into Kbytes/sec (1x - 75 frames per second) */
#define CD_SPEED_TO_KBPS(x, blksz)      ((x) * 75 * (blksz) / 1024)

/*
 * It's maximum possible speed for CD (audio track).
 * Data tracks theoretically can be written at 436x but in practice I
 * believe, 380x will be never reached.
 * NOTE: this value must never be changed to a bigger value, it can cause
 * DRIVE_SPEED_MAX overrun.
 */
#define CD_MAX_SPEED            380

/* MMC feature codes */
#define MMC_FEATURE_CDRW_CAV    0x27    /* Constant Angular Velocity */
#define MMC_FEATURE_CD_TAO      0x2d    /* Track-At-Once writing mode */
#define MMC_FEATURE_CDRW_WRITE  0x37    /* media is CD-RW and can be written */

#define MMC_FEATURE_MAX         0x0110

/* Media types */
#define MEDIATYPE_UNKNOWN       0
#define MEDIATYPE_CDR           1
#define MEDIATYPE_CDRW          2

extern unsigned long    entry2time(struct cd_toc_entry *);
extern unsigned long    entry2frames(struct cd_toc_entry *);
extern int              open_cd(char *, int);
extern char **          cddb(const char *, int, struct cd_toc_entry *, char *);
extern unsigned long    cddb_discid(int, struct cd_toc_entry *);
extern void             free_names(char **);
extern int              get_media_type(void);
extern int              get_media_capabilities(u_int8_t *, int);
extern int              blank(void);
extern int              unit_ready(void);
extern int              synchronize_cache(void);
extern int              close_session(void);
extern int              get_disc_size(off_t *);
extern int              get_nwa(int *);
extern int              writetao(struct track_head *);
extern int              writetrack(struct track_info *, int);
extern int              mode_sense_write(unsigned char []);
extern int              mode_select_write(unsigned char []);
extern int              cdrip(char *);
extern int              cdplay(char *);

#define VERSION "2.1"
#define WAVHDRLEN 44