/
ls_script.liq
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/
ls_script.liq
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%include "/etc/airtime/liquidsoap.cfg"
set("log.file.path", log_file)
set("server.telnet", true)
set("server.telnet.port", 1234)
# set("init.daemon.pidfile.path", "/var/run/airtime/airtime-liquidsoap.pid")
%include "library/pervasives.liq"
#Dynamic source list
#dyn_sources = ref []
webstream_enabled = ref false
time = ref string_of(gettimeofday())
#live stream setup
set("harbor.bind_addr", "0.0.0.0")
current_dyn_id = ref '-1'
pypo_data = ref '0'
stream_metadata_type = ref 0
default_dj_fade = ref 0.
station_name = ref ''
show_name = ref ''
dynamic_metadata_callback = ref fun (s) -> begin () end
s1_connected = ref ''
s2_connected = ref ''
s3_connected = ref ''
s1_namespace = ref ''
s2_namespace = ref ''
s3_namespace = ref ''
just_switched = ref false
%include "ls_lib.liq"
sources = ref []
source_id = ref 0
def create_source()
l = request.equeue(id="s#{!source_id}", length=0.5)
l = audio_to_stereo(id="queue_src", l)
l = cue_cut(l)
l = amplify(1., override="replay_gain", l)
# the crossfade function controls fade in/out
l = crossfade_airtime(l)
l = on_metadata(notify_queue, l)
sources := list.append([l], !sources)
server.register(namespace="queues",
"s#{!source_id}_skip",
fun (s) -> begin log("queues.s#{!source_id}_skip")
clear_queue(l)
"Done"
end)
source_id := !source_id + 1
end
create_source()
create_source()
create_source()
create_source()
create_source()
create_source()
create_source()
create_source()
queue = add(!sources, normalize=false)
pair = insert_metadata(queue)
dynamic_metadata_callback := fst(pair)
queue = snd(pair)
output.dummy(fallible=true, queue)
http = input.http_restart(id="http")
http = cross_http(http_input_id="http",http)
output.dummy(fallible=true, http)
stream_queue = http_fallback(http_input_id="http", http=http, default=queue)
stream_queue = map_metadata(update=false, append_title, stream_queue)
ignore(output.dummy(stream_queue, fallible=true))
server.register(namespace="vars",
"pypo_data",
fun (s) -> begin log("vars.pypo_data") pypo_data := s "Done" end)
server.register(namespace="vars",
"stream_metadata_type",
fun (s) -> begin log("vars.stream_metadata_type") stream_metadata_type := int_of_string(s) s end)
server.register(namespace="vars",
"show_name",
fun (s) -> begin log("vars.show_name") show_name := s s end)
server.register(namespace="vars",
"station_name",
fun (s) -> begin log("vars.station_name") station_name := s s end)
server.register(namespace="vars",
"bootup_time",
fun (s) -> begin log("vars.bootup_time") time := s s end)
server.register(namespace="streams",
"connection_status",
fun (s) -> begin log("streams.connection_status") "1:#{!s1_connected},2:#{!s2_connected},3:#{!s3_connected}" end)
server.register(namespace="vars",
"default_dj_fade",
fun (s) -> begin log("vars.default_dj_fade") default_dj_fade := float_of_string(s) s end)
server.register(namespace="dynamic_source",
description="Enable webstream output",
usage='start',
"output_start",
fun (s) -> begin log("dynamic_source.output_start")
notify([("schedule_table_id", !current_dyn_id)])
webstream_enabled := true "enabled" end)
server.register(namespace="dynamic_source",
description="Enable webstream output",
usage='stop',
"output_stop",
fun (s) -> begin log("dynamic_source.output_stop") webstream_enabled := false "disabled" end)
server.register(namespace="dynamic_source",
description="Set the streams cc_schedule row id",
usage="id <id>",
"id",
fun (s) -> begin log("dynamic_source.id") set_dynamic_source_id(s) end)
server.register(namespace="dynamic_source",
description="Get the streams cc_schedule row id",
usage="get_id",
"get_id",
fun (s) -> begin log("dynamic_source.get_id") get_dynamic_source_id() end)
#server.register(namespace="dynamic_source",
# description="Start a new dynamic source.",
# usage="start <uri>",
# "read_start",
# fun (uri) -> begin log("dynamic_source.read_start") begin_stream_read(uri) end)
#server.register(namespace="dynamic_source",
# description="Stop a dynamic source.",
# usage="stop <id>",
# "read_stop",
# fun (s) -> begin log("dynamic_source.read_stop") stop_stream_read(s) end)
#server.register(namespace="dynamic_source",
# description="Stop a dynamic source.",
# usage="stop <id>",
# "read_stop_all",
# fun (s) -> begin log("dynamic_source.read_stop") destroy_dynamic_source_all() end)
default = amplify(id="silence_src", 0.00001, noise())
ref_off_air_meta = ref off_air_meta
if !ref_off_air_meta == "" then
ref_off_air_meta := "Airtime - offline"
end
default = rewrite_metadata([("title", !ref_off_air_meta)], default)
ignore(output.dummy(default, fallible=true))
master_dj_enabled = ref false
live_dj_enabled = ref false
scheduled_play_enabled = ref false
def make_master_dj_available()
master_dj_enabled := true
end
def make_master_dj_unavailable()
master_dj_enabled := false
end
def make_live_dj_available()
live_dj_enabled := true
end
def make_live_dj_unavailable()
live_dj_enabled := false
end
def make_scheduled_play_available()
scheduled_play_enabled := true
just_switched := true
end
def make_scheduled_play_unavailable()
scheduled_play_enabled := false
end
def update_source_status(sourcename, status) =
command = "timeout --signal=KILL 45 pyponotify --source-name=#{sourcename} --source-status=#{status} &"
system(command)
log(command)
end
def live_dj_connect(header) =
update_source_status("live_dj", true)
end
def live_dj_disconnect() =
update_source_status("live_dj", false)
end
def master_dj_connect(header) =
update_source_status("master_dj", true)
end
def master_dj_disconnect() =
update_source_status("master_dj", false)
end
#auth function for live stream
def check_master_dj_client(user,password) =
log("master connected")
#get the output of the php script
ret = get_process_lines("python #{auth_path} --master #{user} #{password}")
#ret has now the value of the live client (dj1,dj2, or djx), or "ERROR"/"unknown" ...
ret = list.hd(ret)
#return true to let the client transmit data, or false to tell harbor to decline
ret == "True"
end
def check_dj_client(user,password) =
log("live dj connected")
#get the output of the php script
ret = get_process_lines("python #{auth_path} --dj #{user} #{password}")
#ret has now the value of the live client (dj1,dj2, or djx), or "ERROR"/"unknown" ...
hd = list.hd(ret)
log("Live DJ authenticated: #{hd}")
hd == "True"
end
s = switch(id="schedule_noise_switch",
track_sensitive=false,
transitions=[transition_default, transition],
[({!scheduled_play_enabled}, stream_queue), ({true}, default)]
)
s = if dj_live_stream_port != 0 and dj_live_stream_mp != "" then
dj_live =
audio_to_stereo(
input.harbor(id="live_dj_harbor",
dj_live_stream_mp,
port=dj_live_stream_port,
auth=check_dj_client,
max=40.,
on_connect=live_dj_connect,
on_disconnect=live_dj_disconnect))
ignore(output.dummy(dj_live, fallible=true))
switch(id="show_schedule_noise_switch",
track_sensitive=false,
transitions=[transition, transition],
[({!live_dj_enabled}, dj_live), ({true}, s)]
)
else
s
end
s = if master_live_stream_port != 0 and master_live_stream_mp != "" then
master_dj =
audio_to_stereo(
input.harbor(id="master_harbor",
master_live_stream_mp,
port=master_live_stream_port,
auth=check_master_dj_client,
max=40.,
on_connect=master_dj_connect,
on_disconnect=master_dj_disconnect))
ignore(output.dummy(master_dj, fallible=true))
switch(id="master_show_schedule_noise_switch",
track_sensitive=false,
transitions=[transition, transition],
[({!master_dj_enabled}, master_dj), ({true}, s)]
)
else
s
end
# Attach a skip command to the source s:
#add_skip_command(s)
server.register(namespace="streams",
description="Stop Master DJ source.",
usage="master_dj_stop",
"master_dj_stop",
fun (s) -> begin log("streams.master_dj_stop") make_master_dj_unavailable() "Done." end)
server.register(namespace="streams",
description="Start Master DJ source.",
usage="master_dj_start",
"master_dj_start",
fun (s) -> begin log("streams.master_dj_start") make_master_dj_available() "Done." end)
server.register(namespace="streams",
description="Stop Live DJ source.",
usage="live_dj_stop",
"live_dj_stop",
fun (s) -> begin log("streams.live_dj_stop") make_live_dj_unavailable() "Done." end)
server.register(namespace="streams",
description="Start Live DJ source.",
usage="live_dj_start",
"live_dj_start",
fun (s) -> begin log("streams.live_dj_start") make_live_dj_available() "Done." end)
server.register(namespace="streams",
description="Stop Scheduled Play source.",
usage="scheduled_play_stop",
"scheduled_play_stop",
fun (s) -> begin log("streams.scheduled_play_stop") make_scheduled_play_unavailable() "Done." end)
server.register(namespace="streams",
description="Start Scheduled Play source.",
usage="scheduled_play_start",
"scheduled_play_start",
fun (s) -> begin log("streams.scheduled_play_start") make_scheduled_play_available() "Done." end)
if output_sound_device then
success = ref false
log(output_sound_device_type)
%ifdef output.alsa
if output_sound_device_type == "ALSA" then
ignore(output.alsa(s))
success := true
end
%endif
%ifdef output.ao
if output_sound_device_type == "AO" then
ignore(output.ao(s))
success := true
end
%endif
%ifdef output.oss
if output_sound_device_type == "OSS" then
ignore(output.oss(s))
success := true
end
%endif
%ifdef output.portaudio
if output_sound_device_type == "Portaudio" then
ignore(output.portaudio(s))
success := true
end
%endif
%ifdef output.pulseaudio
if output_sound_device_type == "Pulseaudio" then
ignore(output.pulseaudio(s))
success := true
end
%endif
if (!success == false) then
ignore(output.prefered(s))
end
end
if s1_enable == true then
if s1_output == 'shoutcast' then
s1_namespace := "shoutcast_stream_1"
else
s1_namespace := s1_mount
end
server.register(namespace=!s1_namespace, "connected", fun (s) -> begin log("#{!s1_namespace}.connected") !s1_connected end)
output_to(s1_output, s1_type, s1_bitrate, s1_host, s1_port, s1_pass,
s1_mount, s1_url, s1_description, s1_genre, s1_user, s, "1",
s1_connected, s1_name, s1_channels)
end
if s2_enable == true then
if s2_output == 'shoutcast' then
s2_namespace := "shoutcast_stream_2"
else
s2_namespace := s2_mount
end
server.register(namespace=!s2_namespace, "connected", fun (s) -> begin log("#{!s2_namespace}.connected") !s2_connected end)
output_to(s2_output, s2_type, s2_bitrate, s2_host, s2_port, s2_pass,
s2_mount, s2_url, s2_description, s2_genre, s2_user, s, "2",
s2_connected, s2_name, s2_channels)
end
if s3_enable == true then
if s3_output == 'shoutcast' then
s3_namespace := "shoutcast_stream_3"
else
s3_namespace := s3_mount
end
server.register(namespace=!s3_namespace, "connected", fun (s) -> begin log("#{!s3_namespace}.connected") !s3_connected end)
output_to(s3_output, s3_type, s3_bitrate, s3_host, s3_port, s3_pass,
s3_mount, s3_url, s3_name, s3_genre, s3_user, s, "3",
s3_connected, s3_description, s3_channels)
end
command = "timeout --signal=KILL 45 pyponotify --liquidsoap-started &"
log(command)
system(command)