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#!/bin/sh /etc/rc.common
# Copyright (C) 2015-2016 OpenWrt.org
START=99
USE_PROCD=1
append_num() {
local cfg="$1"
local var="$2"
local opt="$3"
local def="$4"
local val
config_get val "$cfg" "$var"
if [ -n "$val" ] || [ -n "$def" ]; then
printf "\t%s = ${val:-$def};\n" "$opt"
fi
}
append_str() {
local cfg="$1"
local var="$2"
local opt="$3"
local def="$4"
local val
config_get val "$cfg" "$var"
if [ -n "$val" ] || [ -n "$def" ]; then
printf "\t%s = \"%s\";\n" "$opt" "${val:-$def}"
fi
}
start_instance() {
local cfg=$1
local conf_custom conf_file aux
config_get_bool aux "$cfg" 'enabled' '0'
[ "$aux" = 0 ] && return 1
config_get_bool conf_custom "$cfg" 'conf_custom' '0'
config_get conf_file "$cfg" "conf_file"
[ "$conf_custom" -ne 1 ] && [ -z "$conf_file" ] && {
mkdir -p /var/etc
conf_file="/var/etc/shairport-sync-${cfg}.conf"
} && {
printf "// Automatically generated from UCI config\n\n"
# General
printf "general =\n"
printf "{\n"
append_str "$cfg" name "name"
append_str "$cfg" password "password"
append_str "$cfg" interpolation "interpolation"
append_str "$cfg" output_backend "output_backend"
append_str "$cfg" mdns_backend "mdns_backend"
append_num "$cfg" port "port"
append_num "$cfg" udp_port_base "udp_port_base"
append_num "$cfg" udp_port_range "udp_port_range"
append_str "$cfg" statistics "statistics"
append_num "$cfg" drift "drift"
append_num "$cfg" resync_threshold "resync_threshold"
append_num "$cfg" log_verbosity "log_verbosity"
append_str "$cfg" ignore_volume_control "ignore_volume_control"
append_num "$cfg" volume_range_db "volume_range_db"
append_str "$cfg" regtype "regtype"
append_str "$cfg" playback_mode "playback_mode"
printf "};\n\n"
# Metadata
printf "metadata =\n"
printf "{\n"
append_str "$cfg" metadata_enabled "enabled"
append_str "$cfg" metadata_cover_art "include_cover_art"
append_str "$cfg" metadata_pipe_name "pipe_name"
append_num "$cfg" metadata_pipe_timeout "pipe_timeout"
append_str "$cfg" metadata_socket_address "socket_address"
append_num "$cfg" metadata_socket_port "socket_port"
append_num "$cfg" metadata_socket_msglength "socket_msglength"
printf "};\n\n"
# Session control
printf "sessioncontrol =\n"
printf "{\n"
append_str "$cfg" sesctl_run_before_play_begins "run_this_before_play_begins"
append_str "$cfg" sesctl_run_after_play_ends "run_this_after_play_ends"
append_str "$cfg" sesctl_run_before_entering_active_state "run_this_before_entering_active_state"
append_str "$cfg" sesctl_run_after_exiting_active_state "run_this_after_exiting_active_state"
append_str "$cfg" sesctl_run_if_an_unfixable_error_is_detected "run_this_if_an_unfixable_error_is_detected"
append_str "$cfg" sesctl_run_when_volume_is_set "run_this_when_volume_is_set"
append_str "$cfg" sesctl_wait_for_completion "wait_for_completion"
append_str "$cfg" sesctl_session_interruption "allow_session_interruption"
append_num "$cfg" sesctl_session_timeout "session_timeout"
printf "};\n\n"
# Alsa audio back end
printf "alsa =\n"
printf "{\n"
append_str "$cfg" alsa_output_device "output_device"
append_str "$cfg" alsa_mixer_control_name "mixer_control_name"
append_str "$cfg" alsa_mixer_device "mixer_device"
append_num "$cfg" alsa_latency_offset "audio_backend_latency_offset"
append_num "$cfg" alsa_buffer_length "audio_backend_buffer_desired_length"
append_str "$cfg" alsa_disable_synchronization "disable_synchronization"
append_num "$cfg" alsa_period_size "period_size"
append_num "$cfg" alsa_buffer_size "buffer_size"
printf "};\n\n"
# Pipe audio back end
printf "pipe =\n"
printf "{\n"
append_str "$cfg" pipe_name "name"
append_num "$cfg" pipe_latency_offset "audio_backend_latency_offset"
append_num "$cfg" pipe_buffer_length "audio_backend_buffer_desired_length"
printf "};\n\n"
# Stdout audio back end
printf "stdout =\n"
printf "{\n"
append_num "$cfg" stdout_latency_offset "audio_backend_latency_offset"
append_num "$cfg" stdout_buffer_length "audio_backend_buffer_desired_length"
printf "};\n\n"
# MQTT
printf "mqtt =\n"
printf "{\n"
append_str "$cfg" mqtt_enabled "enabled"
append_str "$cfg" mqtt_hostname "hostname"
append_num "$cfg" mqtt_port "port"
append_str "$cfg" mqtt_username "username"
append_str "$cfg" mqtt_password "password"
append_str "$cfg" mqtt_topic "topic"
append_str "$cfg" mqtt_publish_raw "publish_raw"
append_str "$cfg" mqtt_publish_parsed "publish_parsed"
append_str "$cfg" mqtt_publish_cover "publish_cover"
append_str "$cfg" mqtt_enable_remote "enable_remote"
printf "};\n\n"
# AO audio back end
printf "ao =\n"
printf "{\n"
append_num "$cfg" ao_latency_offset "audio_backend_latency_offset"
append_num "$cfg" ao_buffer_length "audio_backend_buffer_desired_length"
printf "};\n\n"
} > "$conf_file"
procd_open_instance
procd_set_param command /usr/bin/shairport-sync
procd_append_param command -c "$conf_file"
config_get_bool aux "$cfg" 'respawn' '0'
[ "$aux" = 1 ] && procd_set_param respawn
procd_close_instance
}
service_triggers() {
procd_add_reload_trigger "shairport-sync"
}
start_service() {
config_load shairport-sync
config_foreach start_instance shairport-sync
}
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