Fix a few minor bogons in the docs, also make it possible to execute cmds
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.
This commit is contained in:
Jordan K. Hubbard
parent
9bf204a77e
commit
158a4a24fa
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=13461
@ -7,10 +7,16 @@
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.Sh SYNOPSIS
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.Nm cdplay
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.Op Ar device
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.Op Ar cmd
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.Sh DESCRIPTION
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.Nm cdplay
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is a program to control an audio CD player. The device is a name such
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as cd0 or mcd0.
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is a program to control an audio CD player. The
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.Ar device
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is a name such as cd0 or mcd0 and the optional
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.Ar cmd
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is one of the commands (and any arguments) from the
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.Nm
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command set. The \fBhelp\fR command will give a complete listing.
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.Pp
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If the device not specified, the environment variable
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.Ev CDPLAY
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@ -20,7 +26,8 @@ Currently supported commands are as follows:
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.Bl -tag -width Cm
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.It Cm play first_track last_track
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Play from track
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.Nm first_track to track
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.Nm first_track
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to track
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.Nm last_track.
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The first track has number 1
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.Xr play 1
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@ -1,14 +1,15 @@
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/* 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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#define command(s) strncmp(cmd,s,strlen(s))==0
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#include <unistd.h>
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struct cd_toc_entry toc_buffer[100];
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@ -17,32 +18,77 @@ int standalone;
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char *cmd, *cdname;
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int pause (), resume (), stop (), eject (), setvol (int, int),
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read_toc_header (struct ioc_toc_header *), read_toc_entry (int),
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play_msf (int, int, int, int, int, int), play_track (int, int),
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get_vol (int *, int *), status (int *, int *, int *, int *);
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void open_cd ();
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int input ();
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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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switch (argc) {
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case 2: cdname = argv[1];
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break;
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case 1: if(cdname = getenv("CDPLAY"))
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/* Break if CDPLAY is set */
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break;
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default: fprintf(stderr, "Usage: cdplay <cd>\n<cd> is device name such as cd0 or mcd0\n");
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exit(1);
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};
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standalone = isatty (0);
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while (input ()) {
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rc = 0;
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if (!command ("quit") && !command ("help"))
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open_cd ();
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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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@ -62,28 +108,33 @@ main (int argc, char **argv)
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rc = clrdebug ();
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else if (command ("eject")) {
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rc = eject ();
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} else if (command ("setvol")) {
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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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} else if (command ("getvol")) {
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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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} else if (command ("tochdr")) {
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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("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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} else if (command ("msfplay")) {
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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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} else if (command ("tocentry")) {
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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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@ -96,32 +147,31 @@ main (int argc, char **argv)
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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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} else if (command ("status")) {
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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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} else if (command("quit"))
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break;
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else if (command("help"))
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printf(
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"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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else
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printf("No such command, enter 'help' for commands list\n");
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fflush (stdout);
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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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exit (0);
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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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@ -133,42 +183,50 @@ play_track (int start, int 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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@ -180,6 +238,7 @@ setvol (int l, int r)
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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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@ -190,11 +249,13 @@ getvol (int *l, int *r)
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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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@ -206,6 +267,7 @@ read_toc_entrys (int 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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@ -220,6 +282,7 @@ play_msf (int start_m, int start_s, int start_f,
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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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@ -256,6 +319,7 @@ input ()
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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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