mirror of
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Add the cdcontrol program by Serge Vakulenko. It's my understanding
that this is a superset of cdplay, and perhaps it's time to send cdplay into the bit bucket if this works well. According to the docs, it has a friendlier command structure, command line interface etc. Submitted by: Serge Vakulenko <vak@cronyx.ru>
This commit is contained in:
Jordan K. Hubbard
parent
736267d692
commit
eae0c0a88b
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=10099
@ -1,13 +1,13 @@
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# From: @(#)Makefile 5.20 (Berkeley) 6/12/93
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# $Id: Makefile,v 1.66 1995/07/12 18:43:38 bde Exp $
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# $Id: Makefile,v 1.67 1995/08/13 15:28:18 peter Exp $
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# XXX MISSING: mkproto
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# XXX MISSING SOURCES: quot
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SUBDIR= ac accton adduser amd arp bootparamd chown chroot cron crunch ctm \
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dev_mkdb diskpart edquota inetd kernbb kgmon kvm_mkdb lpr lsdev \
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manctl mrouted mtree named nslookup pcvt pkg_install pkg_manage \
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portmap ppp pppd pppstats pstat pwd_mkdb quotaon rarpd repquota \
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routed rmt rwhod sa sendmail sliplogin slstat sysctl syslogd \
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SUBDIR= ac accton adduser amd arp bootparamd cdcontrol chown chroot cron \
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crunch ctm dev_mkdb diskpart edquota inetd kernbb kgmon kvm_mkdb \
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lpr lsdev manctl mrouted mtree named nslookup pcvt pkg_install \
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pkg_manage portmap ppp pppd pppstats pstat pwd_mkdb quotaon rarpd \
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repquota routed rmt rwhod sa sendmail sliplogin slstat sysctl syslogd \
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tcpdump timed traceroute trpt tzsetup vipw vnconfig watch xntpd \
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xten ypbind yppoll ypset zic
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4
usr.sbin/cdcontrol/Makefile
Normal file
4
usr.sbin/cdcontrol/Makefile
Normal file
@ -0,0 +1,4 @@
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PROG= cdcontrol
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CFLAGS+= -Wall
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.include <bsd.prog.mk>
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144
usr.sbin/cdcontrol/cdcontrol.1
Normal file
144
usr.sbin/cdcontrol/cdcontrol.1
Normal file
@ -0,0 +1,144 @@
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.Dd July 3, 1995
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.Dt CDCONTROL 1
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.Os FreeBSD
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.Sh NAME
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.Nm cdcontrol
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.Nd compact disc control utility
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.Sh SYNOPSIS
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.Nm cdcontrol
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.Op Fl s
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.Op Fl v
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.Op Fl f Ar discname
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.Op Ar command args...
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.Sh DESCRIPTION
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.Nm cdcontrol
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is a program to control audio features of a CD drive. The device is a name such
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as cd0 or mcd0.
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.Pp
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If the device not specified, the environment variable
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.Ev DISC
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will be used to find the cd device.
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.Pp
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If no command is given, then
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.Nm cdcontrol
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enters an interactive mode, reading commands from the standard input.
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.Pp
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The following options are available:
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.Bl -tag -width flag
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.It Fl s
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Silent mode - do not print table headers and human readable comments.
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.It Fl v
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Verbose mode - print as much information as possible.
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.It Fl f Ar discname
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Specifies a device name, such as /dev/cd0c or mcd0.
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Both absolute path and relative to /dev filename are possible.
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Suffix `c' is added to the device name if needed.
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.El
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.Pp
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The available commands are listed below. Only as many
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characters as are required to uniquely identify a command
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need be specified.
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.Bl -tag -width Cm
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.It Cm play Op Ar first_track Op Ar last_track
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Play from 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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.It Cm play Ar start_m:start_s.start_f Op Ar end_m:end_s.end_f
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Play from the absolute address
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(MSF) defined by
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.Nm start_m
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in minutes,
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.Nm start_s,
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in seconds and
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.Nm start_f
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(frame number) to the abolute address defined by
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.Nm end_m
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in minutes,
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.Nm end_s,
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in seconds and
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.Nm end_f
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(frame number). Minutes are in the range 0-99. Seconds are in the range 0-59.
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Frame numbers are in the range 0-74.
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.It Cm play Ar #start_block Op length
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Play starting from the logical block
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.Nm start_block
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using
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.Nm length
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logical blocks.
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.It Cm pause
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Stop playing. Do not stop the disc.
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.It Cm resume
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Resume playing. Used after the
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.Nm pause
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command.
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.It Cm stop
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Stop the disc.
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.It Cm eject
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Eject the disc.
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.It Cm volume Ar left_channel Ar right_channel
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Set the volume of left channel to
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.Nm left_channel
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and the volume of right channel to
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.Nm right_channel.
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Allowed values are in the range 0-255.
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.It Cm volume Ar mute
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Turn the sound off.
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.It Cm volume Ar mono
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Set the mono mode.
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.It Cm volume Ar stereo
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Set the stereo mode.
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.It Cm volume Ar left
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Play the left subtrack on both left and right channels.
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.It Cm volume Ar right
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Play the right subtrack on both left and right channels.
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.It Cm info
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Print the information about the disc:
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the current playing status and position,
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the current values of the volume for left and right channels,
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and the table of contents.
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.It Cm help
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Print the list of available commands.
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.It Cm debug Ar on
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Enable the debugging mode of the CD device driver.
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.It Cm debug Ar off
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Disable the driver debugging mode.
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.It Cm debug Ar reset
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Perform the hardware reset of the device.
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.It Cm quit
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Quit the program.
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.Sh FILES
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.Bl -tag -width /dev/rmcd0c -compact
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.It Pa /dev/rcd0c
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.It Pa /dev/rmcd0c
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.It Pa /dev/rwcd0c
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.El
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.Sh AUTHORS
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Jean-Marc Zucconi,
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Andrew A.\ Chernov,
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Serge V.\ Vakulenko
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.Sh HISTORY
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The
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.Nm cdcontrol
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command appeared in FreeBSD 2.1
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622
usr.sbin/cdcontrol/cdcontrol.c
Normal file
622
usr.sbin/cdcontrol/cdcontrol.c
Normal file
@ -0,0 +1,622 @@
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/*
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* Compact Disc Control Utility by Serge V. Vakulenko, <vak@cronyx.ru>.
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* Based on the non-X based CD player by Jean-Marc Zucconi and
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* Andrew A. Chernov.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.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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#define VERSION "1.0"
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/*
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* Audio Status Codes
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*/
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#define ASTS_INVALID 0x00 /* Audio status byte not valid */
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#define ASTS_PLAYING 0x11 /* Audio play operation in progress */
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#define ASTS_PAUSED 0x12 /* Audio play operation paused */
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#define ASTS_COMPLETED 0x13 /* Audio play operation successfully completed */
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#define ASTS_ERROR 0x14 /* Audio play operation stopped due to error */
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#define ASTS_VOID 0x15 /* No current audio status to return */
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struct cmdtab {
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int command;
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char *name;
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char *args;
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} cmdtab[] = {
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#define CMD_DEBUG 1
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{ CMD_DEBUG, "Debug", "[ on | off | reset ]", },
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#define CMD_EJECT 2
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{ CMD_EJECT, "Eject", "", },
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#define CMD_HELP 3
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{ CMD_HELP, "?", 0, },
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{ CMD_HELP, "Help", "", },
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#define CMD_INFO 4
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{ CMD_INFO, "Info", "", },
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#define CMD_PAUSE 5
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{ CMD_PAUSE, "PAuse", "", },
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#define CMD_PLAY 6
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{ CMD_PLAY, "P", 0, },
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{ CMD_PLAY, "Play", "min1:sec1.fr1 [ min2:sec2.fr2 ]", },
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{ CMD_PLAY, "Play", "track1.index1 [ track2.index2 ]", },
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{ CMD_PLAY, "Play", "#block [ len ]", },
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#define CMD_QUIT 7
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{ CMD_QUIT, "Quit", "", },
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#define CMD_RESUME 8
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{ CMD_RESUME, "Resume", "", },
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#define CMD_STOP 9
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{ CMD_STOP, "Stop", "", },
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#define CMD_VOLUME 10
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{ CMD_VOLUME, "Volume", "<l> <r> | left | right | mute | mono | stereo", },
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{ 0, 0, },
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};
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struct cd_toc_entry toc_buffer[100];
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char *cdname;
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int fd = -1;
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int verbose = 1;
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extern char *optarg;
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extern int optind;
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int setvol (int, int);
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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, 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 open_cd (void);
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int play (char *arg);
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int info (char *arg);
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char *input (int*);
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void prtrack (struct cd_toc_entry *e, int lastflag);
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void lba2msf (int lba, u_char *m, u_char *s, u_char *f);
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int msf2lba (u_char m, u_char s, u_char f);
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int play_blocks (int blk, int len);
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int run (int cmd, char *arg);
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char *parse (char *buf, int *cmd);
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extern int errno;
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void help ()
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{
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struct cmdtab *c;
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for (c=cmdtab; c->name; ++c) {
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if (! c->args)
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continue;
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printf ("\t%s", c->name);
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if (*c->args)
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printf (" %s", c->args);
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printf ("\n");
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}
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}
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void usage ()
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{
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printf ("Usage:\n\tcdcontrol [ -vs ] [ -f disc ] [ command args... ]\n");
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printf ("Options:\n");
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printf ("\t-v - verbose mode\n");
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printf ("\t-s - silent mode\n");
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printf ("\t-f disc - device name such as /dev/cd0c\n");
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printf ("\tDISC - shell variable with device name\n");
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printf ("Commands:\n");
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help ();
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exit (1);
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}
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int main (int argc, char **argv)
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{
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int cmd;
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char *arg;
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cdname = getenv ("DISC");
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if (! cdname)
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cdname = getenv ("CDPLAY");
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for (;;) {
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switch (getopt (argc, argv, "svhf:")) {
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case EOF:
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break;
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case 's':
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verbose = 0;
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continue;
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case 'v':
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verbose = 2;
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continue;
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case 'f':
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cdname = optarg;
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continue;
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case 'h':
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default:
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usage ();
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}
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break;
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}
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argc -= optind;
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argv += optind;
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if (argc > 0 && strcasecmp (*argv, "help") == 0)
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usage ();
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if (! cdname) {
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fprintf (stderr, "No CD device name specified.\n");
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usage ();
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}
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if (argc > 0) {
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char buf[80], *p;
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int len;
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for (p=buf; argc-- > 0; ++argv) {
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len = strlen (*argv);
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if (p + len >= buf + sizeof (buf) - 1)
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usage ();
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if (p > buf)
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*p++ = ' ';
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strcpy (p, *argv);
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p += len;
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}
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*p = 0;
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arg = parse (buf, &cmd);
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return run (cmd, arg);
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}
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if (verbose == 1)
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verbose = isatty (0);
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if (verbose) {
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printf ("Compact Disc Control Utility, Version %s\n", VERSION);
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printf ("Type `?' for command list\n\n");
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}
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for (;;) {
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arg = input (&cmd);
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if (run (cmd, arg) < 0) {
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if (verbose)
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perror ("cdplay");
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close (fd);
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fd = -1;
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}
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fflush (stdout);
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}
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}
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int run (int cmd, char *arg)
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{
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int l, r, rc;
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switch (cmd) {
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case CMD_QUIT:
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exit (0);
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default:
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case CMD_HELP:
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help ();
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return (0);
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case CMD_INFO:
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if (fd<0 && ! open_cd ()) return (0);
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return info (arg);
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case CMD_PAUSE:
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if (fd<0 && ! open_cd ()) return (0);
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return ioctl (fd, CDIOCPAUSE);
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case CMD_RESUME:
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if (fd<0 && ! open_cd ()) return (0);
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return ioctl (fd, CDIOCRESUME);
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case CMD_STOP:
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if (fd<0 && ! open_cd ()) return (0);
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return ioctl (fd, CDIOCSTOP);
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case CMD_DEBUG:
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if (fd<0 && ! open_cd ()) return (0);
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if (strcasecmp (arg, "on") == 0)
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return ioctl (fd, CDIOCSETDEBUG);
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if (strcasecmp (arg, "off") == 0)
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return ioctl (fd, CDIOCCLRDEBUG);
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if (strcasecmp (arg, "reset") == 0)
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return ioctl (fd, CDIOCRESET);
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printf ("Invalid command arguments\n");
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return (0);
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case CMD_EJECT:
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if (fd<0 && ! open_cd ()) return (0);
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(void) ioctl (fd, CDIOCALLOW);
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rc = ioctl (fd, CDIOCEJECT);
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if (rc < 0)
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return (rc);
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close (fd);
|
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fd = -1;
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return (0);
|
||||
|
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case CMD_PLAY:
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if (fd<0 && ! open_cd ()) return (0);
|
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return play (arg);
|
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|
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case CMD_VOLUME:
|
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if (fd<0 && ! open_cd ()) return (0);
|
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if (strcasecmp (arg, "left") == 0)
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return ioctl (fd, CDIOCSETLEFT);
|
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else if (strcasecmp (arg, "right") == 0)
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return ioctl (fd, CDIOCSETRIGHT);
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else if (strcasecmp (arg, "mute") == 0)
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return ioctl (fd, CDIOCSETMUTE);
|
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else if (strcasecmp (arg, "mono") == 0)
|
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return ioctl (fd, CDIOCSETMONO);
|
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else if (strcasecmp (arg, "stereo") == 0)
|
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return ioctl (fd, CDIOCSETSTERIO);
|
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|
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if (2 != sscanf (arg, "%d %d", &l, &r)) {
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printf ("Invalid command arguments\n");
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return (0);
|
||||
}
|
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return setvol (l, r);
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||||
}
|
||||
}
|
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|
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int play (char *arg)
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{
|
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struct ioc_toc_header h;
|
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int rc, n, start, end = 0, istart = 1, iend = 1;
|
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|
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rc = ioctl (fd, CDIOREADTOCHEADER, &h);
|
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if (rc < 0)
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return (rc);
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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));
|
||||
if (rc < 0)
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return (rc);
|
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|
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if (! *arg)
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/*
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* Play the whole disc
|
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*/
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return play_blocks (0, msf2lba (toc_buffer[n].addr.msf.minute,
|
||||
toc_buffer[n].addr.msf.second,
|
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toc_buffer[n].addr.msf.frame));
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||||
|
||||
if (strchr (arg, '#')) {
|
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/*
|
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* Play block #blk [ len ]
|
||||
*/
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int blk, len = 0;
|
||||
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||||
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);
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}
|
||||
|
||||
if (strchr (arg, ':')) {
|
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/*
|
||||
* Play MSF m1:s1 [ .f1 ] [ m2:s2 [ .f2 ] ]
|
||||
*/
|
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int m1, m2 = 0, s1, s2 = 0, f1 = 0, f2 = 0;
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|
||||
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 = 1;
|
||||
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) {
|
||||
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);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user