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