diff options
Diffstat (limited to 'kscd/libwm/include/wm_cdda.h')
| -rw-r--r-- | kscd/libwm/include/wm_cdda.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/kscd/libwm/include/wm_cdda.h b/kscd/libwm/include/wm_cdda.h new file mode 100644 index 00000000..11c8eb3e --- /dev/null +++ b/kscd/libwm/include/wm_cdda.h @@ -0,0 +1,203 @@ +#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., 59 Temple Place, Suite 330, 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 */ |