Airtime/liquidsoap with replay gain

%include "library/pervasives.liq"

%include "/etc/airtime/liquidsoap.cfg"

 

set("log.file.path", log_file)

set("log.stdout", true)

set("server.telnet", true)

set("server.telnet.port", 1234)

 

queue = request.queue(id="queue", length=0.5)

queue = audio_to_stereo(queue)

 

pypo_data = ref '0'

web_stream_enabled = ref false

stream_metadata_type = ref 0

station_name = ref ''

show_name = ref ''

 

%include "ls_lib.liq"

 

server.register(namespace="vars", "pypo_data", fun (s) -> begin pypo_data := s "Done" end)

server.register(namespace="vars", "web_stream_enabled", fun (s) -> begin web_stream_enabled := (s == "true") string_of(!web_stream_enabled) end)

server.register(namespace="vars", "stream_metadata_type", fun (s) -> begin stream_metadata_type := int_of_string(s) s end)

server.register(namespace="vars", "show_name", fun (s) -> begin show_name := s s end)

server.register(namespace="vars", "station_name", fun (s) -> begin station_name := s s end)

 

 

default = amplify(0.00001, noise())

default = rewrite_metadata([("artist","Airtime"), ("title", "offline")],default)

 

s = fallback(track_sensitive=false, [queue, default])

enable_replaygain_metadata ()

s = amplify(1.,override="replay_gain",s)

s = on_metadata(notify, s)

s = crossfade(s)

# Attach a skip command to the source s:

 

#web_stream_source = input.http(id="web_stream", autostart = false, buffer=0.5, max=20., "")

 

#once the stream is started, give it a sink so that liquidsoap doesn't

#create buffer overflow warnings in the log file.

#output.dummy(fallible=true, web_stream_source)

 

#s = switch(track_sensitive = false,

#    transitions=[to_live,to_live],

#    [

#      ({ !web_stream_enabled }, web_stream_source),

#      ({ true }, s)

#    ]

#)

 

add_skip_command(s)

s = map_metadata(append_title, s)

 

 

if output_sound_device then

        out_device = out(s)

end

 

if output_icecast_mp3 then

        out_mp3 = output.icecast(%mp3,

                        host = icecast_host, port = icecast_port,

                        password = icecast_pass, mount = mount_point_mp3,

                        fallible = true,

                        restart = true,

                        restart_delay = 5,

                        url = icecast_url,

                        description = icecast_description,

                        genre = icecast_genre,

                        s)

end

 

if output_icecast_aacplus then

        out_vorbis = output.icecast(%aacplus(channels=2, samplerate=44100, bitrate=64),

                        host = icecast_host, port = icecast_port,

                        password = icecast_pass, mount = mount_point_aacplus,

                        fallible = true,

                        restart = true,

                        restart_delay = 5,

                        url = icecast_url,

                        description = icecast_description,

                        genre = icecast_genre,

                        s)

end