mirror of
https://github.com/freebsd/freebsd-src
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158a4a24fa
from args, e.g. cdplay cd0 "play 1 99" if you just want to feed the CD a command and exit the cdplay utility. Note that if you want to use post-play commands like `pause' and `resume', you should still use cdplay interactively.
347 lines
6.9 KiB
C
347 lines
6.9 KiB
C
/* Non-X based CD player by Jean-Marc Zucconi */
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/* Modifications by Andrew A. Chernov */
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/* More modifications by Jordan Hubbard */
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#include <stdio.h>
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#include <errno.h>
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#include <sys/file.h>
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#include <sys/cdio.h>
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#include <sys/ioctl.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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struct cd_toc_entry toc_buffer[100];
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int cd_fd = -1;
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int standalone;
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char *cmd, *cdname;
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int cdpause (void);
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int resume (void);
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int stop (void);
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int eject (void);
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int reset (void);
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int setdebug (void);
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int clrdebug (void);
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int getvol (int *l, int *r);
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int input (void);
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int setvol (int, int);
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int read_toc_header (struct ioc_toc_header *);
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int read_toc_entrys (int);
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int play_msf (int, int, int, int, int, int);
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int play_track (int, int);
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int get_vol (int *, int *);
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int status (int *, int *, int *, int *);
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int runcmd(char *cmd);
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void open_cd (void);
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int
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main (int argc, char **argv)
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{
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switch (argc) {
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case 3:
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standalone = -1;
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cdname = argv[1];
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return runcmd(argv[2]);
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case 2:
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cdname = argv[1];
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break;
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case 1:
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if ((cdname = getenv("CDPLAY")) != NULL)
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/* Break if CDPLAY is set */
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break;
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default:
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fprintf(stderr,
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"Usage: cdplay <cd> [cmd]\n"
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"Where <cd> is device name such as cd0 or mcd0 and [cmd] is an\n"
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"optional command from the cdplay command set. Use `help' for a list\n");
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return 1;
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}
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standalone = isatty (0);
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while (input()) {
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if (runcmd(cmd) == -127)
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break;
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fflush (stdout);
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}
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return 0;
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}
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#define command(s) strncmp(cmd,s,strlen(s))==0
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int
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runcmd(char *cmd)
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{
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int rc;
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if (command ("quit"))
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rc = -127;
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else if (command ("help")) {
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printf("play <start_trk> <end_trk>, reset, pause, resume, stop, setdebug, clrdebug\n"
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"eject, setvol <l> <r>, getvol, tochdr, msfplay <m1> <s1> <f1> <m2> <s2> <f2>,\n"
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"tocentry, status, quit, help\n");
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rc = 1;
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}
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else {
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open_cd ();
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if (command ("play")) {
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int start, end;
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sscanf (cmd+4, "%d%d", &start, &end);
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rc = play_track (start, end);
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}
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else if (command ("reset"))
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rc = reset ();
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else if (command ("pause"))
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rc = cdpause ();
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else if (command ("resume"))
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rc = resume ();
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else if (command ("stop"))
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rc = stop ();
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else if (command ("setdebug"))
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rc = setdebug ();
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else if (command ("clrdebug"))
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rc = clrdebug ();
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else if (command ("eject")) {
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rc = eject ();
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}
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else if (command ("setvol")) {
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int l, r;
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sscanf (cmd+6, "%d %d", &l, &r);
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rc = setvol (l, r);
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}
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else if (command ("getvol")) {
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int r, l;
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rc = getvol (&l, &r);
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if (rc > -1)
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printf ("%d %d\n", l, r);
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}
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else if (command ("tochdr")) {
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struct ioc_toc_header h;
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rc = read_toc_header (&h);
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if (rc > -1) {
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if (standalone)
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printf("start end length\n");
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printf ("%d %d %d\n", h.starting_track, h.ending_track, h.len);
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}
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}
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else if (command ("msfplay")) {
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int m1, m2, s1, s2, f1, f2;
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sscanf(cmd+7, "%d%d%d%d%d%d", &m1, &s1, &f1, &m2, &s2, &f2);
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rc = play_msf (m1, s1, f1, m2, s2, f2);
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}
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else if (command ("tocentry")) {
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struct ioc_toc_header h;
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int i, n;
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rc = read_toc_header (&h);
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if (rc > -1) {
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n = h.ending_track - h.starting_track + 1;
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rc = read_toc_entrys ((n+1)*sizeof(struct cd_toc_entry));
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toc_buffer[n].track = 255;
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if (standalone)
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printf("track minute second frame\n");
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for (i = 0; i <= n; i++)
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printf ("%5d %6d %6d %5d\n", toc_buffer[i].track, toc_buffer[i].addr.msf.minute,
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toc_buffer[i].addr.msf.second, toc_buffer[i].addr.msf.frame);
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}
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}
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else if (command ("status")) {
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int trk, m, s, f;
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rc = status (&trk, &m, &s, &f);
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if (standalone)
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printf("status track minute second frame\n");
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printf ("%d %02d %d %d %d\n", rc, trk, m, s, f);
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}
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else {
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printf("No such command, enter 'help' for command list\n");
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rc = 1;
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}
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if (rc < 0) {
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if (standalone)
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perror("cdplay");
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}
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if (standalone < 0 || rc < 0) {
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close (cd_fd);
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cd_fd = -1;
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}
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}
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return rc;
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}
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int
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play_track (int start, int end)
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{
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struct ioc_play_track t;
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t.start_track = start;
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t.start_index = 1;
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t.end_track = end;
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t.end_index = 1;
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return ioctl (cd_fd, CDIOCPLAYTRACKS, &t);
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}
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int
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reset ()
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{
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return ioctl (cd_fd, CDIOCRESET);
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}
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int
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cdpause ()
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{
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return ioctl (cd_fd, CDIOCPAUSE);
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}
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int
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setdebug ()
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{
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return (ioctl (cd_fd, CDIOCSETDEBUG));
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}
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int
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clrdebug ()
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{
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return (ioctl (cd_fd, CDIOCCLRDEBUG));
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}
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int
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resume ()
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{
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return (ioctl (cd_fd, CDIOCRESUME));
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}
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int
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stop ()
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{
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return ioctl (cd_fd, CDIOCSTOP);
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}
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int
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eject ()
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{
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(void) ioctl (cd_fd, CDIOCALLOW);
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return ioctl (cd_fd, CDIOCEJECT);
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}
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int
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setvol (int l, int r)
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{
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struct ioc_vol v;
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v.vol[0] = l;
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v.vol[1] = r;
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v.vol[2] = 0;
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v.vol[3] = 0;
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return ioctl (cd_fd, CDIOCSETVOL, &v);
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}
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int
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getvol (int *l, int *r)
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{
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struct ioc_vol v;
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if (ioctl (cd_fd, CDIOCGETVOL, &v) < 0)
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return -1;
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*l = v.vol[0];
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*r = v.vol[1];
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return 0;
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}
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int
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read_toc_header (struct ioc_toc_header *h)
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{
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return ioctl (cd_fd, CDIOREADTOCHEADER, (char *) h);
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}
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int
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read_toc_entrys (int len)
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{
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struct ioc_read_toc_entry t;
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t.address_format = CD_MSF_FORMAT;
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t.starting_track = 1;
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t.data_len = len;
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t.data = toc_buffer;
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return ioctl (cd_fd, CDIOREADTOCENTRYS, (char *) &t);
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}
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int
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play_msf (int start_m, int start_s, int start_f,
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int end_m, int end_s, int end_f)
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{
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struct ioc_play_msf a;
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a.start_m = start_m;
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a.start_s = start_s;
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a.start_f = start_f;
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a.end_m = end_m;
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a.end_s = end_s;
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a.end_f = end_f;
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return ioctl (cd_fd, CDIOCPLAYMSF, (char *) &a);
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}
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int
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status (int *trk, int *min, int *sec, int *frame)
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{
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struct ioc_read_subchannel s;
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struct cd_sub_channel_info data;
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bzero(&s, sizeof(s));
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s.data = &data;
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s.data_len = sizeof (data);
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s.address_format = CD_MSF_FORMAT;
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s.data_format = CD_CURRENT_POSITION;
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open_cd ();
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if (ioctl (cd_fd, CDIOCREADSUBCHANNEL, (char *) &s) < 0)
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return -1;
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*trk = s.data->what.position.track_number;
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*min = s.data->what.position.reladdr.msf.minute;
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*sec = s.data->what.position.reladdr.msf.second;
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*frame = s.data->what.position.reladdr.msf.frame;
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return s.data->header.audio_status;
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}
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int
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input ()
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{
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static char buf[80];
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int l;
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if (standalone)
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fprintf (stderr, "CD>");
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cmd = fgets (buf, sizeof(buf), stdin);
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if (cmd == NULL)
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return 0;
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l = strlen(cmd);
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if (l > 0 && cmd[l-1] == '\n')
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cmd[l-1] = '\0';
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return 1;
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}
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void
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open_cd ()
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{
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int trk, m, s, f;
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extern int errno;
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char devbuf[20];
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if (cd_fd > -1)
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return;
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sprintf(devbuf, "/dev/r%sc", cdname);
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cd_fd = open (devbuf, O_RDONLY);
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if (cd_fd < 0) {
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if (errno == ENXIO) {
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/* open says 'Device not configured if there is no cd in */
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fprintf(stderr, "open: No cd in\n");
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return;
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}
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perror(devbuf);
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exit (1);
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}
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if (status (&trk, &m, &s, &f) < 0 ) {
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close (cd_fd);
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cd_fd = -1;
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}
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}
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