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aeb13d5b74
freebsd-dev/usr.sbin/cdcontrol/cdcontrol.c
Andrey A. Chernov aeb13d5b74 Implement 'inject' command
1996-02-02 22:03:37 +00:00

631 lines
14 KiB
C
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/*
* Compact Disc Control Utility by Serge V. Vakulenko, <vak@cronyx.ru>.
* Based on the non-X based CD player by Jean-Marc Zucconi and
* Andrey A. Chernov.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <sys/file.h>
#include <sys/cdio.h>
#include <sys/ioctl.h>
#define VERSION "1.1"
/*
* Audio Status Codes
*/
#define ASTS_INVALID 0x00 /* Audio status byte not valid */
#define ASTS_PLAYING 0x11 /* Audio play operation in progress */
#define ASTS_PAUSED 0x12 /* Audio play operation paused */
#define ASTS_COMPLETED 0x13 /* Audio play operation successfully completed */
#define ASTS_ERROR 0x14 /* Audio play operation stopped due to error */
#define ASTS_VOID 0x15 /* No current audio status to return */
struct cmdtab {
int command;
char *name;
char *args;
} cmdtab[] = {
#define CMD_DEBUG 1
{ CMD_DEBUG, "Debug", "[ on | off | reset ]", },
#define CMD_EJECT 2
{ CMD_EJECT, "Eject", "", },
#define CMD_HELP 3
{ CMD_HELP, "?", 0, },
{ CMD_HELP, "Help", "", },
#define CMD_INFO 4
{ CMD_INFO, "INFo", "", },
#define CMD_INJECT 5
{ CMD_INJECT, "INJect", "", },
#define CMD_PAUSE 6
{ CMD_PAUSE, "PAuse", "", },
#define CMD_PLAY 7
{ CMD_PLAY, "PLay", "min1:sec1[.fr1] [min2:sec2[.fr2]]", },
{ CMD_PLAY, "PLay", "track1[.index1] [track2.[index2]]", },
{ CMD_PLAY, "PLay", "[#block [len]]", },
#define CMD_QUIT 8
{ CMD_QUIT, "Quit", "", },
#define CMD_RESUME 9
{ CMD_RESUME, "Resume", "", },
#define CMD_STOP 10
{ CMD_STOP, "Stop", "", },
#define CMD_VOLUME 11
{ CMD_VOLUME, "Volume", "<l> <r> | left | right | mute | mono | stereo", },
{ 0, 0, },
};
struct cd_toc_entry toc_buffer[100];
char *cdname;
int fd = -1;
int verbose = 1;
extern char *optarg;
extern int optind;
int setvol (int, int);
int read_toc_entrys (int);
int play_msf (int, int, int, int, int, int);
int play_track (int, int, int, int);
int get_vol (int *, int *);
int status (int *, int *, int *, int *);
int open_cd (void);
int play (char *arg);
int info (char *arg);
char *input (int*);
void prtrack (struct cd_toc_entry *e, int lastflag);
void lba2msf (int lba, u_char *m, u_char *s, u_char *f);
int msf2lba (u_char m, u_char s, u_char f);
int play_blocks (int blk, int len);
int run (int cmd, char *arg);
char *parse (char *buf, int *cmd);
extern int errno;
void help ()
{
struct cmdtab *c;
for (c=cmdtab; c->name; ++c) {
if (! c->args)
continue;
printf ("\t%s", c->name);
if (*c->args)
printf (" %s", c->args);
printf ("\n");
}
}
void usage ()
{
printf ("Usage:\n\tcdcontrol [ -vs ] [ -f disc ] [ command args... ]\n");
printf ("Options:\n");
printf ("\t-v - verbose mode\n");
printf ("\t-s - silent mode\n");
printf ("\t-f disc - device name such as /dev/cd0c\n");
printf ("\tDISC - shell variable with device name\n");
printf ("Commands:\n");
help ();
exit (1);
}
int main (int argc, char **argv)
{
int cmd;
char *arg;
cdname = getenv ("DISC");
if (! cdname)
cdname = getenv ("CDPLAY");
for (;;) {
switch (getopt (argc, argv, "svhf:")) {
case EOF:
break;
case 's':
verbose = 0;
continue;
case 'v':
verbose = 2;
continue;
case 'f':
cdname = optarg;
continue;
case 'h':
default:
usage ();
}
break;
}
argc -= optind;
argv += optind;
if (argc > 0 && strcasecmp (*argv, "help") == 0)
usage ();
if (! cdname) {
fprintf (stderr, "No CD device name specified.\n");
usage ();
}
if (argc > 0) {
char buf[80], *p;
int len;
for (p=buf; argc-- > 0; ++argv) {
len = strlen (*argv);
if (p + len >= buf + sizeof (buf) - 1)
usage ();
if (p > buf)
*p++ = ' ';
strcpy (p, *argv);
p += len;
}
*p = 0;
arg = parse (buf, &cmd);
return run (cmd, arg);
}
if (verbose == 1)
verbose = isatty (0);
if (verbose) {
printf ("Compact Disc Control Utility, Version %s\n", VERSION);
printf ("Type `?' for command list\n\n");
}
for (;;) {
arg = input (&cmd);
if (run (cmd, arg) < 0) {
if (verbose)
perror ("cdcontrol");
close (fd);
fd = -1;
}
fflush (stdout);
}
}
int run (int cmd, char *arg)
{
int l, r, rc;
switch (cmd) {
case CMD_QUIT:
exit (0);
default:
case CMD_HELP:
help ();
return (0);
case CMD_INFO:
if (fd<0 && ! open_cd ()) return (0);
return info (arg);
case CMD_PAUSE:
if (fd<0 && ! open_cd ()) return (0);
return ioctl (fd, CDIOCPAUSE);
case CMD_RESUME:
if (fd<0 && ! open_cd ()) return (0);
return ioctl (fd, CDIOCRESUME);
case CMD_STOP:
if (fd<0 && ! open_cd ()) return (0);
return ioctl (fd, CDIOCSTOP);
case CMD_DEBUG:
if (fd<0 && ! open_cd ()) return (0);
if (strcasecmp (arg, "on") == 0)
return ioctl (fd, CDIOCSETDEBUG);
if (strcasecmp (arg, "off") == 0)
return ioctl (fd, CDIOCCLRDEBUG);
if (strcasecmp (arg, "reset") == 0)
return ioctl (fd, CDIOCRESET);
printf ("Invalid command arguments\n");
return (0);
case CMD_EJECT:
if (fd<0 && ! open_cd ()) return (0);
(void) ioctl (fd, CDIOCALLOW);
rc = ioctl (fd, CDIOCEJECT);
if (rc < 0)
return (rc);
return (0);
case CMD_INJECT:
if (fd<0 && ! open_cd ()) return (0);
rc = ioctl (fd, CDIOCCLOSE);
if (rc < 0)
return (rc);
close(fd);
fd = -1;
return (0);
case CMD_PLAY:
if (fd<0 && ! open_cd ()) return (0);
return play (arg);
case CMD_VOLUME:
if (fd<0 && ! open_cd ()) return (0);
if (strcasecmp (arg, "left") == 0)
return ioctl (fd, CDIOCSETLEFT);
else if (strcasecmp (arg, "right") == 0)
return ioctl (fd, CDIOCSETRIGHT);
else if (strcasecmp (arg, "mute") == 0)
return ioctl (fd, CDIOCSETMUTE);
else if (strcasecmp (arg, "mono") == 0)
return ioctl (fd, CDIOCSETMONO);
else if (strcasecmp (arg, "stereo") == 0)
return ioctl (fd, CDIOCSETSTERIO);
if (2 != sscanf (arg, "%d %d", &l, &r)) {
printf ("Invalid command arguments\n");
return (0);
}
return setvol (l, r);
}
}
int play (char *arg)
{
struct ioc_toc_header h;
int rc, n, start, end = 0, istart = 1, iend = 1;
rc = ioctl (fd, CDIOREADTOCHEADER, &h);
if (rc < 0)
return (rc);
n = h.ending_track - h.starting_track + 1;
rc = read_toc_entrys ((n + 1) * sizeof (struct cd_toc_entry));
if (rc < 0)
return (rc);
if (! *arg)
/*
* Play the whole disc
*/
return play_blocks (0, msf2lba (toc_buffer[n].addr.msf.minute,
toc_buffer[n].addr.msf.second,
toc_buffer[n].addr.msf.frame));
if (strchr (arg, '#')) {
/*
* Play block #blk [ len ]
*/
int blk, len = 0;
if (2 != sscanf (arg, "#%d%d", &blk, &len) &&
1 != sscanf (arg, "#%d", &blk)) {
err: printf ("Invalid command arguments\n");
return (0);
}
if (len == 0)
len = msf2lba (toc_buffer[n].addr.msf.minute,
toc_buffer[n].addr.msf.second,
toc_buffer[n].addr.msf.frame) - blk;
return play_blocks (blk, len);
}
if (strchr (arg, ':')) {
/*
* Play MSF m1:s1 [ .f1 ] [ m2:s2 [ .f2 ] ]
*/
int m1, m2 = 0, s1, s2 = 0, f1 = 0, f2 = 0;
if (6 != sscanf (arg, "%d:%d.%d%d:%d.%d", &m1, &s1, &f1, &m2, &s2, &f2) &&
5 != sscanf (arg, "%d:%d.%d%d:%d", &m1, &s1, &f1, &m2, &s2) &&
5 != sscanf (arg, "%d:%d%d:%d.%d", &m1, &s1, &m2, &s2, &f2) &&
3 != sscanf (arg, "%d:%d.%d", &m1, &s1, &f1) &&
4 != sscanf (arg, "%d:%d%d:%d", &m1, &s1, &m2, &s2) &&
2 != sscanf (arg, "%d:%d", &m1, &s1))
goto err;
if (m2 == 0) {
m2 = toc_buffer[n].addr.msf.minute;
s2 = toc_buffer[n].addr.msf.second;
f2 = toc_buffer[n].addr.msf.frame;
}
return play_msf (m1, s1, f1, m2, s2, f2);
}
/*
* Play track trk1 [ .idx1 ] [ trk2 [ .idx2 ] ]
*/
if (4 != sscanf (arg, "%d.%d%d.%d", &start, &istart, &end, &iend) &&
3 != sscanf (arg, "%d.%d%d", &start, &istart, &end) &&
3 != sscanf (arg, "%d%d.%d", &start, &end, &iend) &&
2 != sscanf (arg, "%d.%d", &start, &istart) &&
2 != sscanf (arg, "%d%d", &start, &end) &&
1 != sscanf (arg, "%d", &start))
goto err;
if (end == 0)
end = n;
return play_track (start, istart, end, iend);
}
char *strstatus (int sts)
{
switch (sts) {
case ASTS_INVALID: return ("invalid");
case ASTS_PLAYING: return ("playing");
case ASTS_PAUSED: return ("paused");
case ASTS_COMPLETED: return ("completed");
case ASTS_ERROR: return ("error");
case ASTS_VOID: return ("void");
default: return ("??");
}
}
int info (char *arg)
{
struct ioc_toc_header h;
struct ioc_vol v;
int rc, i, n, trk, m, s, f;
rc = status (&trk, &m, &s, &f);
if (rc >= 0)
if (verbose)
printf ("Audio status = %d<%s>, current track = %d, current position = %d:%02d.%02d\n",
rc, strstatus (rc), trk, m, s, f);
else
printf ("%d %d %d:%02d.%02d\n", rc, trk, m, s, f);
else
printf ("No current status info\n");
rc = ioctl (fd, CDIOCGETVOL, &v);
if (rc >= 0)
if (verbose)
printf ("Left volume = %d, right volume = %d\n",
v.vol[0], v.vol[1]);
else
printf ("%d %d\n", v.vol[0], v.vol[1]);
else
printf ("No volume info\n");
rc = ioctl (fd, CDIOREADTOCHEADER, &h);
if (rc >= 0)
if (verbose)
printf ("Starting track = %d, ending track = %d, TOC size = %d bytes\n",
h.starting_track, h.ending_track, h.len);
else
printf ("%d %d %d\n", h.starting_track,
h.ending_track, h.len);
else {
perror ("getting toc header");
return (rc);
}
n = h.ending_track - h.starting_track + 1;
rc = read_toc_entrys ((n + 1) * sizeof (struct cd_toc_entry));
if (rc < 0)
return (rc);
if (verbose) {
printf ("track start duration block length type\n");
printf ("-------------------------------------------------\n");
}
for (i = 0; i < n; i++) {
printf ("%5d ", toc_buffer[i].track);
prtrack (toc_buffer + i, 0);
}
printf (" end ");
prtrack (toc_buffer + n, 1);
return (0);
}
void lba2msf (int lba, u_char *m, u_char *s, u_char *f)
{
lba += 150; /* block start offset */
lba &= 0xffffff; /* negative lbas use only 24 bits */
*m = lba / (60 * 75);
lba %= (60 * 75);
*s = lba / 75;
*f = lba % 75;
}
int msf2lba (u_char m, u_char s, u_char f)
{
return (((m * 60) + s) * 75 + f) - 150;
}
void prtrack (struct cd_toc_entry *e, int lastflag)
{
int block, next, len;
u_char m, s, f;
/* Print track start */
printf ("%2d:%02d.%02d ", e->addr.msf.minute,
e->addr.msf.second, e->addr.msf.frame);
block = msf2lba (e->addr.msf.minute, e->addr.msf.second,
e->addr.msf.frame);
if (lastflag) {
/* Last track -- print block */
printf (" - %6d - -\n", block);
return;
}
next = msf2lba (e[1].addr.msf.minute, e[1].addr.msf.second,
e[1].addr.msf.frame);
len = next - block;
lba2msf (len, &m, &s, &f);
/* Print duration, block, length, type */
printf ("%2d:%02d.%02d %6d %6d %5s\n", m, s, f, block, len,
e->control & 4 ? "data" : "audio");
}
int play_track (int tstart, int istart, int tend, int iend)
{
struct ioc_play_track t;
t.start_track = tstart;
t.start_index = istart;
t.end_track = tend;
t.end_index = iend;
return ioctl (fd, CDIOCPLAYTRACKS, &t);
}
int play_blocks (int blk, int len)
{
struct ioc_play_blocks t;
t.blk = blk;
t.len = len;
return ioctl (fd, CDIOCPLAYBLOCKS, &t);
}
int setvol (int l, int r)
{
struct ioc_vol v;
v.vol[0] = l;
v.vol[1] = r;
v.vol[2] = 0;
v.vol[3] = 0;
return ioctl (fd, CDIOCSETVOL, &v);
}
int read_toc_entrys (int len)
{
struct ioc_read_toc_entry t;
t.address_format = CD_MSF_FORMAT;
t.starting_track = 0;
t.data_len = len;
t.data = toc_buffer;
return ioctl (fd, CDIOREADTOCENTRYS, (char *) &t);
}
int play_msf (int start_m, int start_s, int start_f,
int end_m, int end_s, int end_f)
{
struct ioc_play_msf a;
a.start_m = start_m;
a.start_s = start_s;
a.start_f = start_f;
a.end_m = end_m;
a.end_s = end_s;
a.end_f = end_f;
return ioctl (fd, CDIOCPLAYMSF, (char *) &a);
}
int status (int *trk, int *min, int *sec, int *frame)
{
struct ioc_read_subchannel s;
struct cd_sub_channel_info data;
bzero (&s, sizeof (s));
s.data = &data;
s.data_len = sizeof (data);
s.address_format = CD_MSF_FORMAT;
s.data_format = CD_CURRENT_POSITION;
if (ioctl (fd, CDIOCREADSUBCHANNEL, (char *) &s) < 0)
return -1;
*trk = s.data->what.position.track_number;
*min = s.data->what.position.reladdr.msf.minute;
*sec = s.data->what.position.reladdr.msf.second;
*frame = s.data->what.position.reladdr.msf.frame;
return s.data->header.audio_status;
}
char *input (int *cmd)
{
static char buf[80];
char *p;
do {
if (verbose)
fprintf (stderr, "cd> ");
if (! fgets (buf, sizeof (buf), stdin)) {
*cmd = CMD_QUIT;
return 0;
}
p = parse (buf, cmd);
} while (! p);
return (p);
}
char *parse (char *buf, int *cmd)
{
struct cmdtab *c;
char *p;
int len;
for (p=buf; *p; ++p)
if (*p == '\t')
*p = ' ';
else if (*p == '\n')
*p = 0;
for (p=buf; *p; ++p)
if (*p == ' ') {
*p++ = 0;
break;
}
while (*p == ' ')
++p;
len = strlen (buf);
if (! len)
return (0);
*cmd = -1;
for (c=cmdtab; c->name; ++c) {
/* Try short command form. */
if (! c->args && len == strlen (c->name) &&
strncasecmp (buf, c->name, len) == 0) {
*cmd = c->command;
break;
}
/* Try long form. */
if (strncasecmp (buf, c->name, len) != 0)
continue;
/* Check inambiguity. */
if (*cmd != -1 && *cmd != c->command) {
fprintf (stderr, "Ambiguous command\n");
return (0);
}
*cmd = c->command;
}
if (*cmd == -1) {
fprintf (stderr, "Invalid command, enter ``help'' for command list\n");
return (0);
}
return p;
}
int open_cd ()
{
char devbuf[80];
if (fd > -1)
return (1);
if (*cdname == '/')
strcpy (devbuf, cdname);
else if (*cdname == 'r')
sprintf (devbuf, "/dev/%s", cdname);
else
sprintf (devbuf, "/dev/r%s", cdname);
fd = open (devbuf, O_RDONLY);
if (fd < 0 && errno == ENOENT) {
strcat (devbuf, "c");
fd = open (devbuf, O_RDONLY);
}
if (fd < 0) {
if (errno != ENXIO) {
perror (devbuf);
exit (1);
}
/* open says 'Device not configured' if no cd in */
fprintf (stderr, "open: No CD in\n");
return (0);
}
return (1);
}
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