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#ifndef WM_CDDA_H
#define WM_CDDA_H
/*
* $Id$
*
* This file is part of WorkMan, the civilized CD player library
* (c) 1991-1997 by Steven Grimm (original author)
* (c) by Dirk Försterling (current 'author' = maintainer)
* The maintainer can be contacted by his e-mail address:
* milliByte@DeathsDoor.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA
*
*/
/*
* Information about a particular block of CDDA data.
*/
struct cdda_block {
unsigned char status;
unsigned char track;
unsigned char index;
unsigned char reserved;
int frame;
char *buf;
long buflen;
};
struct cdda_device {
int fd;
const char *devname;
unsigned char status;
unsigned char track;
unsigned char index;
unsigned char command;
int frame;
int frames_at_once;
/* Average volume levels, for level meters */
unsigned char lev_chan0;
unsigned char lev_chan1;
/* Current volume setting (0-255) */
unsigned char volume;
/* Current balance setting (0-255, 128 = balanced) */
unsigned char balance;
struct cdda_block *blocks;
int numblocks;
};
#include "wm_cdrom.h"
#include "wm_config.h"
#include "wm_struct.h"
/*
* cdda_block status codes.
*/
/*
* Enable or disable CDDA building depending on platform capabilities, and
* determine endianness based on architecture. (Gross!)
*
* For header-comfort, the macros LITTLE_ENDIAN and BIG_ENDIAN had to be
* renamed. At least Linux does have bytesex.h and endian.h for easy
* byte-order examination.
*/
#ifdef HAVE_MACHINE_ENDIAN_H
#include <machine/endian.h>
#if BYTE_ORDER == LITTLE_ENDIAN
#define WM_LITTLE_ENDIAN 1
#define WM_BIG_ENDIAN 0
#else
#define WM_LITTLE_ENDIAN 0
#define WM_BIG_ENDIAN 1
#endif
#elif defined(__sun) || defined(sun)
# ifdef SYSV
# include <sys/types.h>
# include <sys/cdio.h>
# ifndef CDROMCDDA
# undef BUILD_CDDA
# endif
# ifdef i386
# define WM_LITTLE_ENDIAN 1
# define WM_BIG_ENDIAN 0
# else
# define WM_BIG_ENDIAN 1
# define WM_LITTLE_ENDIAN 0
# endif
# else
# undef BUILD_CDDA
# endif
/* Linux only allows definition of endianness, because there's no
* standard interface for CDROM CDDA functions that aren't available
* if there is no support.
*/
#elif defined(__linux__)
/*# include <bytesex.h>*/
# include <endian.h>
/*
* XXX could this be a problem? The results are only 0 and 1 because
* of the ! operator. How about other linux compilers than gcc ?
*/
# define WM_LITTLE_ENDIAN !(__BYTE_ORDER - __LITTLE_ENDIAN)
# define WM_BIG_ENDIAN !(__BYTE_ORDER - __BIG_ENDIAN)
#elif defined WORDS_BIGENDIAN
#define WM_LITTLE_ENDIAN 0
#define WM_BIG_ENDIAN 1
#else
#define WM_LITTLE_ENDIAN 1
#define WM_BIG_ENDIAN 0
#endif
/*
* The following code shouldn't take effect now.
* In 1998, the WorkMan platforms don't support __PDP_ENDIAN
* architectures.
*
*/
#if !defined(WM_LITTLE_ENDIAN)
# if !defined(WM_BIG_ENDIAN)
# error yet unsupported architecture
foo bar this is to stop the compiler.
# endif
#endif
#if defined(BUILD_CDDA)
/*
* The following code support us by optimize cdda operations
*/
#define CDDARETURN(x) if(x && x->cdda == 1) return
#define IFCDDA(x) if(x && x->cdda == 1)
int cdda_get_drive_status(struct wm_drive *d, int oldmode,
int *mode, int *pos, int *track, int *ind);
int cdda_play(struct wm_drive *d, int start, int end, int realstart);
int cdda_pause(struct wm_drive *d);
int cdda_stop(struct wm_drive *d);
int cdda_eject(struct wm_drive *d);
int cdda_set_volume(struct wm_drive *d, int left, int right);
int cdda_get_volume(struct wm_drive *d, int *left, int *right);
void cdda_kill(struct wm_drive *d);
void cdda_save(struct wm_drive *d, char *filename);
int cdda_get_ack(int);
int gen_cdda_init(struct wm_drive *d );
void cdda_set_direction(struct wm_drive *d, int newdir);
void cdda_set_speed(struct wm_drive *d, int speed);
void cdda_set_loudness(struct wm_drive *d, int loud);
int wmcdda_init(struct cdda_device*);
int wmcdda_open(const char*);
int wmcdda_close(struct cdda_device*);
int wmcdda_setup(int start, int end, int realstart);
long wmcdda_read(struct cdda_device*, struct cdda_block *block);
void wmcdda_speed(int speed);
void wmcdda_direction(int newdir);
#else
#define CDDARETURN(x)
#define IFCDDA(x)
#define cdda_get_drive_status
#define cdda_play
#define cdda_pause
#define cdda_resume
#define cdda_stop
#define cdda_eject
#define cdda_set_volume
#define cdda_get_volume
#define cdda_kill
#define cdda_save
#define cdda_get_ack
#endif /* defined(BUILD_CDDA) */
#include <stdio.h>
#ifdef DEBUG
#define DEBUGLOG(fmt, args...) fprintf(stderr, fmt, ##args)
#else
#define DEBUGLOG(fmt, args...)
#endif
#define ERRORLOG(fmt, args...) fprintf(stderr, fmt, ##args)
#endif /* WM_CDDA_H */
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