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150 lines
3.5 KiB
Bash
150 lines
3.5 KiB
Bash
#!/bin/sh
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# PROVIDE: virtual_oss
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# REQUIRE: kld
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# BEFORE: LOGIN sndiod
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# KEYWORD: shutdown
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#
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# Add the following lines to /etc/rc.conf.local, /etc/rc.conf or
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# /etc/rc.conf.d/virtual_oss to enable this service:
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#
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# virtual_oss_enable (bool): Set to NO by default.
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# Set it to "YES" to enable virtual_oss.
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# virtual_oss_configs (string): List of configurations to use
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# Default is "dsp"
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# virtual_oss_dsp (string): Arguments passed to virtual_oss config named dsp
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# Default is
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# -T /dev/sndstat # register vdsp in sndstat
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# -C 2 -c 2 # use two channels
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# -S # resample if needed
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# -i 8 # real-time priority
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# -r 48000 # sample rate
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# -b 24 # bit depth
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# -s 8.0ms # buffer delay
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# -f /dev/dsp0 # hardware device to use
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# -d dsp # vdev to create
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# -t dsp.ctl # control device
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. /etc/rc.subr
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name=virtual_oss
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desc="Virtual OSS device manager"
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rcvar=${name}_enable
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start_precmd="${name}_precmd"
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start_cmd="${name}_start"
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stop_cmd="${name}_stop"
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status_cmd="${name}_status"
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required_modules="cuse"
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virtual_oss_default_args="\
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-T /dev/sndstat \
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-S \
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-i 8 \
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-C 2 -c 2 \
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-r 48000 \
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-b 24 \
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-s 8.0ms \
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-f /dev/dsp0 \
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-c 2 \
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-d dsp \
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-t dsp.ctl"
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configs=
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load_rc_config $name
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: ${virtual_oss_enable:="NO"}
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: ${virtual_oss_configs:="dsp"}
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: ${virtual_oss_dsp:="$virtual_oss_default_args"}
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: ${virtual_oss_delay:=1}
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command=virtual_oss
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command_args="-B"
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pidpath="/var/run/${name}"
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virtual_oss()
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{
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# When running early we need to pre-load some libraries
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env LD_PRELOAD=%%LIBFFTW3%%%%LIBSAMPLERATE%% %%PREFIX%%/sbin/virtual_oss $*
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}
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virtual_oss_pids()
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{
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pids=$(pgrep -d ' ' $name)
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pids=${pids% }
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printf "${pids}"
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}
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virtual_oss_precmd()
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{
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/usr/bin/install -d -m 0755 -o root ${pidpath}
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}
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start_instance()
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{
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config=$*
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instance_args=$(eval "echo \$virtual_oss_${config}")
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if [ -z "${instance_args}" ]; then
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echo "No such config ${config}"
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else
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echo -n "Starting Virtual OSS config ${config} ..."
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${command} \
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${command_args} \
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-D ${pidpath}/${config}.pid \
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${instance_args}
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echo " done"
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fi
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}
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stop_instance()
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{
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config=$*
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instance_args=`eval "echo \$virtual_oss_${config}"`
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if [ -z "${instance_args}" ]; then
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echo "No such config ${config}"
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elif [ -e "${pidpath}/${config}.pid" ]; then
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pid=`check_pidfile ${pidpath}/${config}.pid %%PREFIX%%/sbin/virtual_oss`
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if [ ! -z "${pid}" ]; then
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echo -n "Stopping Virtual OSS config ${config} ... "
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kill $pid
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rm -f ${pidpath}/${config}.pid
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echo "done"
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fi
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fi
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}
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virtual_oss_start()
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{
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configs=$*
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[ -z "${configs}" ] && configs="${virtual_oss_configs}"
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for config in ${configs}; do
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start_instance $config
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sleep ${virtual_oss_delay}
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done
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}
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virtual_oss_stop()
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{
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configs=$*
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[ -z "${configs}" ] && configs="${virtual_oss_configs}"
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for config in ${configs}; do
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stop_instance ${config}
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sleep ${virtual_oss_delay}
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done
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}
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virtual_oss_status()
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{
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pids=$(virtual_oss_pids)
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if [ "${pids}" ]; then
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echo "${name} is running as pid ${pids}."
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else
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echo "${name} is not running."
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return 1
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fi
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}
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run_rc_command $*
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