openbsd-ports/audio/xcdplayer/files/cdrom_freebsd.c
1998-05-22 00:09:18 +00:00

602 lines
12 KiB
C

/*
* Copyright (C) 1990 Regents of the University of California.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of the University of
* California not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. the University of California makes no representations
* about the suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*/
static int c;
# include <stdio.h>
# include <sys/file.h>
# include <sys/types.h>
# include <sys/param.h>
# include <sys/stat.h>
# include <string.h>
# include <sys/buf.h>
# include <sys/time.h>
#include <sys/ioctl.h>
#include <sys/disklabel.h>
#include <sys/cdio.h>
# include "debug.h"
# include "cdrom_freebsd.h"
extern char *device;
static char cdrom[] = "/dev/rcd0c";
static char cdrom1[] = "/dev/rmcd0c";
cdrom_info cdi;
char info_filename[256];
FILE *disc_info = NULL;
static int cdrom_fd = -1;
get_stored_info()
{
int i,n;
char line[100];
char *title;
if(disc_info) {
fclose(disc_info);
disc_info = NULL;
}
if ( cdi.maxtrack == 0) {
return(0);
}
for (i = 0, n = 0; i < cdi.maxtrack; i++)
n = n + ((i+1) * cdi.times[i]);
n = n / cdi.maxtrack;
disc_title = NULL;
if (cdInfoDir != NULL)
sprintf(info_filename, "%s/cd.%d", cdInfoDir, n);
else
sprintf(info_filename, "cd.%d", n);
if ((disc_info = fopen(info_filename, "r")) != NULL)
{
fgets(line, 100, disc_info);
title = strchr(line, ':');
if (title != NULL)
{
*(strchr(title, '\n')) = '\0';
disc_title = strdup(title + 1);
}
fgets(line, 100, disc_info);
sscanf(line, "Program: %s", program_str);
}
else {
disc_title = strdup(NOTITLESTR);
program_str[0] = 0;
}
if (disc_title == NULL) {
disc_title = strdup(NOTITLESTR);
}
}
int
cdrom_open() {
int n;
extern void update_title();
if (cdrom_fd != -1)
return(cdi.curtrack);
if (device != NULL) {
if ((cdrom_fd = open(device, O_RDONLY)) == -1) {
perror(device);
return(-1);
}
} else {
if ( (cdrom_fd = open(cdrom, O_RDONLY)) == -1
&& (cdrom_fd = open(cdrom1, O_RDONLY)) == -1
) {
perror("open: ");
return(-1);
}
}
if (cdrom_get_times() == -1) {
cdrom_close();
return(-1);
}
if ((n = cdrom_get_curtrack()) == -1)
return(-1);
get_stored_info();
update_title();
if (cdi.state & CDROM_STATE_PLAY)
cdi.curtrack = n;
if (cdi.state & CDROM_STATE_SHUFFLE)
shuffle_setup();
return(cdi.curtrack);
}
void
cdrom_close() {
if (cdrom_fd == -1)
return;
if (cdi.times != NULL) {
free((char *) cdi.times);
free((char *) cdi.addrs);
cdi.times = NULL;
cdi.addrs = NULL;
}
(void) close(cdrom_fd);
cdrom_fd = -1;
}
int
cdrom_start() {
if (cdrom_fd == -1)
return(-1);
if (ioctl(cdrom_fd, CDIOCSTART) == -1) {
perror("ioctl(cdromstart)");
return(-1);
}
return(0);
}
int
cdrom_stop() {
if (cdrom_fd == -1)
return(-1);
if (ioctl(cdrom_fd, CDIOCSTOP) == -1) {
perror("ioctl(cdromstop)");
return(-1);
}
return(0);
}
int
cdrom_eject() {
if (cdrom_fd == -1)
return(-1);
if (ioctl(cdrom_fd, CDIOCALLOW) == -1) {
perror("ioctl(cdromallow)");
return(-1);
}
if (ioctl(cdrom_fd, CDIOCEJECT) == -1) {
perror("ioctl(cdromeject)");
return(-1);
}
return(0);
}
int
cdrom_pause() {
if (cdrom_fd == -1)
return(-1);
if (ioctl(cdrom_fd, CDIOCPAUSE) == -1) {
perror("ioctl(cdrompause)");
return(-1);
}
return(0);
}
int
cdrom_resume() {
if (cdrom_fd == -1)
return(-1);
if (ioctl(cdrom_fd, CDIOCRESUME) == -1) {
perror("ioctl(cdromresume)");
return(-1);
}
return(0);
}
int
cdrom_volume(left_vol, right_vol)
int left_vol;
int right_vol;
{
struct ioc_vol vol;
if (cdrom_fd == -1)
return(-1);
vol.vol[0] = left_vol;
vol.vol[1] = right_vol;
vol.vol[2] = 0;
vol.vol[3] = 0;
if (ioctl(cdrom_fd, CDIOCSETVOL, &vol) == -1) {
perror("ioctl(cdromvolctrl)");
return(-1);
}
return(0);
}
int
cdrom_get_times() {
struct ioc_toc_header tochdr;
extern unsigned short *ushort_malloc();
extern struct msf *msf_malloc();
unsigned long trk, trk_total, otime;
struct msf msf;
if (cdrom_read_tochdr(&tochdr) == -1)
return(-1);
cdi.mintrack = tochdr.starting_track;
cdi.maxtrack = tochdr.ending_track;
if (cdi.times != NULL)
{
free((char *) cdi.times);
free((char *) cdi.addrs);
cdi.times = NULL;
cdi.addrs = NULL;
}
cdi.times = ushort_malloc(cdi.maxtrack - cdi.mintrack + 1);
cdi.addrs = msf_malloc(cdi.maxtrack - cdi.mintrack + 2);
otime = 0;
for (trk = cdi.mintrack; trk <= cdi.maxtrack; trk++) {
if (cdrom_get_msf(trk, &msf, &trk_total) == -1)
return(-1);
/* record start address for each track (track 1 starts at 0)*/
cdi.addrs[trk - cdi.mintrack] = msf;
trk_total -= otime;
/* use start time of next track as length of previous */
if (otime != 0)
{
cdi.times[trk - cdi.mintrack - 1] = trk_total;
}
otime += trk_total;
}
/* find start of leadout to get length of last track */
if (cdrom_get_msf(CDROM_LEADOUT, &msf, &trk_total) == -1)
return(-1);
/* recode leadout start address */
cdi.addrs[trk - cdi.mintrack] = msf;
trk_total -= otime;
otime += trk_total;
cdi.times[trk - cdi.mintrack - 1] = trk_total;
return(0);
}
int
cdrom_get_curtrack() {
struct cd_sub_channel_info data;
if (cdrom_read_subchannel(&data) == -1)
return(-1);
switch (data.header.audio_status) {
case CD_AS_AUDIO_INVALID:
return(-1);
/* playing track subchnl.cdsc_trk */
case CD_AS_PLAY_IN_PROGRESS:
return((int) data.what.position.track_number);
/* paused on track subchnl.cdsc_trk */
case CD_AS_PLAY_PAUSED:
return((int) data.what.position.track_number);
/* punt */
case CD_AS_PLAY_COMPLETED:
return(0);
case CD_AS_PLAY_ERROR:
return(-1);
/* punt */
case CD_AS_NO_STATUS:
debug_printf(1, "cdrom_get_curtrack: no status\n");
return(0);
}
/* bad value in cdsc_audiostatus */
return(-1);
}
int
cdrom_get_msf(track, msf, length)
unsigned long track;
struct msf *msf;
unsigned long *length;
{
struct cd_toc_entry data;
if (cdrom_read_tocentry(track, &data, sizeof(data)) == -1)
return(-1);
msf->minute = data.addr.msf.minute;
msf->second = data.addr.msf.second;
msf->frame = data.addr.msf.frame;
*length = (((unsigned int) msf->minute) * 60) + (unsigned int) msf->second;
return(0);
}
int
cdrom_get_curmsf(msf)
struct msf *msf;
{
struct cd_sub_channel_info data;
if (cdrom_read_subchannel(&data) == -1)
return(-1);
msf->minute = data.what.position.absaddr.msf.minute;
msf->second = data.what.position.absaddr.msf.second;
msf->frame = data.what.position.absaddr.msf.frame;
return (0);
}
int
cdrom_play_track(start_track, end_track)
unsigned char start_track;
unsigned char end_track;
{
struct ioc_play_track ti;
struct ioc_play_msf play_addr;
char *addr;
if (cdrom_fd == -1)
return(-1);
play_addr.start_m = cdi.addrs[start_track - cdi.mintrack].minute;
play_addr.start_s = cdi.addrs[start_track - cdi.mintrack].second;
play_addr.start_f = cdi.addrs[start_track - cdi.mintrack].frame;
play_addr.end_m = cdi.addrs[end_track - cdi.mintrack + 1].minute;
play_addr.end_s = cdi.addrs[end_track - cdi.mintrack + 1].second;
play_addr.end_f = cdi.addrs[end_track - cdi.mintrack + 1].frame - 1;
if(play_addr.end_f >= 75) {
play_addr.end_f = 74;
play_addr.end_s--;
}
if(play_addr.end_s >= 60) {
play_addr.end_s = 59;
play_addr.end_m--;
}
addr = (char *)&play_addr;
if (ioctl(cdrom_fd, CDIOCPLAYMSF, &play_addr) == -1) {
perror("ioctl(cdromplaymsftrk)");
return(-1);
}
return(0);
}
int
cdrom_play_msf(start_msf, end_msf)
struct msf *start_msf;
struct msf *end_msf;
{
struct ioc_play_msf play_addr;
if (cdrom_fd == -1)
return(-1);
play_addr.start_m = start_msf->minute;
play_addr.start_s = start_msf->second;
play_addr.start_f = start_msf->frame;
play_addr.end_m = end_msf->minute;
play_addr.end_s = end_msf->second;
play_addr.end_f = end_msf->frame;
if (ioctl(cdrom_fd, CDIOCPLAYMSF, &play_addr) == -1) {
perror("ioctl(cdromplaymsf)");
return(-1);
}
return(0);
}
int
cdrom_read_subchannel(data)
struct cd_sub_channel_info *data;
{
struct ioc_read_subchannel subchnl;
if (cdrom_fd == -1)
return(-1);
subchnl.address_format = CD_MSF_FORMAT;
subchnl.data_format = CD_CURRENT_POSITION;
subchnl.data_len = /* sizeof(struct cd_sub_channel_info)*/ 16;
subchnl.track = 0;
subchnl.data = data;
if (ioctl(cdrom_fd, CDIOCREADSUBCHANNEL, (char *) &subchnl) == -1) {
fprintf(stderr, "ioctl(cdromsubchnl): ");
perror(cdrom);
return(-1);
}
return(0);
}
int
cdrom_read_track(track, data)
unsigned int track;
struct cd_sub_channel_info *data;
{
struct ioc_read_subchannel subchnl;
if (cdrom_fd == -1)
return(-1);
subchnl.address_format = CD_MSF_FORMAT;
subchnl.data_format = CD_TRACK_INFO;
subchnl.data_len = /* sizeof(struct cd_sub_channel_info)*/ 24;
subchnl.track = track;
subchnl.data = data;
if (ioctl(cdrom_fd, CDIOCREADSUBCHANNEL, (char *) &subchnl) == -1) {
fprintf(stderr, "ioctl(cdromsubchnltrk): ");
perror(cdrom);
return(-1);
}
return(0);
}
int
cdrom_read_tocentry(track, data, size)
unsigned int track;
struct cd_toc_entry *data;
int size;
{
struct ioc_read_toc_entry tocentry;
if (cdrom_fd == -1)
return(-1);
tocentry.starting_track = (unsigned char)track;
tocentry.address_format = CD_MSF_FORMAT;
tocentry.data_len = /* sizeof(struct cd_toc_entry)*/ size;
tocentry.data = data;
if (ioctl(cdrom_fd, CDIOREADTOCENTRYS, (char *) &tocentry) == -1) {
perror("ioctl(cdromreadtocentry)");
return(-1);
}
return(0);
}
int
cdrom_read_tochdr(tochdr)
struct ioc_toc_header *tochdr;
{
if (cdrom_fd == -1)
return(-1);
if (ioctl(cdrom_fd, CDIOREADTOCHEADER, (char *) tochdr) == -1) {
perror("ioctl(cdromreadtochdr): ");
return(-1);
}
return(0);
}
int
cdrom_status() {
struct cd_sub_channel_info data;
if (cdrom_read_subchannel(&data) == -1)
return(-1);
switch (data.header.audio_status) {
case CD_AS_AUDIO_INVALID:
return(CDROM_INVALID);
case CD_AS_PLAY_IN_PROGRESS:
return(CDROM_PLAYING);
case CD_AS_PLAY_PAUSED:
return(CDROM_PAUSED);
case CD_AS_PLAY_COMPLETED:
return(CDROM_COMPLETED);
case CD_AS_PLAY_ERROR:
return(CDROM_ERROR);
case CD_AS_NO_STATUS:
return(CDROM_NO_STATUS);
}
return(-1);
}
unsigned short *
ushort_malloc(n)
int n;
{
extern char *calloc();
unsigned short *ptr;
ptr = (unsigned short *) calloc(n, sizeof(unsigned short));
if (ptr == NULL) {
perror("calloc");
exit(1);
}
return(ptr);
}
struct msf *
msf_malloc(n)
int n;
{
extern char *calloc();
struct msf *ptr;
ptr = (struct msf *) calloc(n, sizeof(struct msf));
if (ptr == NULL) {
perror("calloc");
exit(1);
}
return(ptr);
}
int
cdrom_disp_cdi() {
int trk;
fprintf(stderr,"CDI structure:\n");
fprintf(stderr,"\tcurtrack: %d\n",cdi.curtrack);
fprintf(stderr,"\tmin: %d max: %d total: %d\n",
cdi.mintrack, cdi.maxtrack, cdi.ntracks);
fprintf(stderr,"\tdur: %d state: %2x\n",cdi.duration, cdi.state);
fprintf(stderr,"\tcurrand: %d lastprog: %d\n",
cdi.currand, cdi.lastprog);
fprintf(stderr,"\n\tTracklist:\n");
if (cdi.maxtrack != cdi.mintrack) {
for (trk=0; trk<=cdi.maxtrack-cdi.mintrack+1; trk++) {
fprintf(stderr,"\t%3d: %d %02d:%02d %d\n",trk,cdi.times[trk],
cdi.addrs[trk].minute,cdi.addrs[trk].second,
cdi.addrs[trk].frame);
}
}
}