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sfm/server.ls

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#!/usr/bin/liquidsoap
set("log.file.path", "/tmp/lsl.txt")
set("log.stdout", true)
set("harbor.bind_addrs", ["127.0.0.1"])
# Get next track dynamically [Each station]
def get_next_main() =
uri = list.hd(default="", process.read.lines("uv run get_next_track.py main"))
[request.create(uri)]
end
def get_next_rock() =
uri = list.hd(default="", process.read.lines("uv run get_next_track.py rock"))
[request.create(uri)]
end
def get_next_electronic() =
uri = list.hd(default="", process.read.lines("uv run get_next_track.py electronic"))
[request.create(uri)]
end
def get_next_rap() =
uri = list.hd(default="", process.read.lines("uv run get_next_track.py rap"))
[request.create(uri)]
end
def get_next_classical() =
uri = list.hd(default="", process.read.lines("uv run get_next_track.py classical"))
[request.create(uri)]
end
def get_next_pop() =
uri = list.hd(default="", process.read.lines("uv run get_next_track.py pop"))
[request.create(uri)]
end
# Set up queues [Each station]
main_list = request.dynamic.list(
id="requests",
get_next_main,
prefetch=0
)
rock_list = request.dynamic.list(
id="rock_requests",
get_next_rock,
prefetch=0
)
electronic_list = request.dynamic.list(
id="electronic_requests",
get_next_electronic,
prefetch=0
)
rap_list = request.dynamic.list(
id="rap_requests",
get_next_rap,
prefetch=0
)
classical_list = request.dynamic.list(
id="classical_requests",
get_next_classical,
prefetch=0
)
pop_list = request.dynamic.list(
id="pop_requests",
get_next_pop,
prefetch=0
)
# Standard
silence = single("/home/kyle/ls/silence.ogg")
# Queue [Each station]
def main_queue(remaining, _) =
log("MAIN: Queueing with #{remaining} seconds remaining")
if not main_list.fetch() then
log("Fetching next query failed")
end
end
def rock_queue(remaining, _) =
log("ROCK: Queueing with #{remaining} seconds remaining")
if not rock_list.fetch() then
log("Fetching next query failed")
end
end
def electronic_queue(remaining, _) =
log("ELECTRONIC: Queueing with #{remaining} seconds remaining")
if not electronic_list.fetch() then
log("Fetching next query failed")
end
end
def rap_queue(remaining, _) =
log("RAP: Queueing with #{remaining} seconds remaining")
if not rap_list.fetch() then
log("Fetching next query failed")
end
end
def classical_queue(remaining, _) =
log("CLASSICAL: Queueing with #{remaining} seconds remaining")
if not classical_list.fetch() then
log("Fetching next query failed")
end
end
def pop_queue(remaining, _) =
log("POP: Queueing with #{remaining} seconds remaining")
if not pop_list.fetch() then
log("Fetching next query failed")
end
end
# Initial fetch [Each station]
main_list.fetch()
rock_list.fetch()
electronic_list.fetch()
rap_list.fetch()
classical_list.fetch()
pop_list.fetch()
# Source setup [Each station]
main_source = source.on_end(delay=1.0, main_list, main_queue)
rock_source = source.on_end(delay=1.0, rock_list, rock_queue)
electronic_source = source.on_end(delay=1.0, electronic_list, electronic_queue)
rap_source = source.on_end(delay=1.0, rap_list, rap_queue)
classical_source = source.on_end(delay=1.0, classical_list, classical_queue)
pop_source = source.on_end(delay=1.0, pop_list, pop_queue)
all_tracks_main = fallback(track_sensitive=false, [main_source, silence])
all_tracks_rock = fallback(track_sensitive=false, [rock_source, silence])
all_tracks_electronic = fallback(track_sensitive=false, [electronic_source, silence])
all_tracks_rap = fallback(track_sensitive=false, [rap_source, silence])
all_tracks_classical = fallback(track_sensitive=false, [classical_source, silence])
all_tracks_pop = fallback(track_sensitive=false, [pop_source, silence])
# HLS Setup [Standard]
aac_lofi =
%ffmpeg(format = "mpegts", %audio(codec = "aac", channels = 2, ar = 44100))
aac_midfi =
%ffmpeg(
format = "mpegts",
%audio(codec = "aac", channels = 2, ar = 44100, b = "96k")
)
aac_hifi =
%ffmpeg(
format = "mpegts",
%audio(codec = "aac", channels = 2, ar = 44100, b = "192k")
)
streams =
[("aac_lofi", aac_lofi), ("aac_midfi", aac_midfi), ("aac_hifi", aac_hifi)]
# HLS Outputs [Each station]
output.file.hls(
playlist="main.m3u8",
segment_duration=1.0,
segments=3,
segments_overhead=4,
persist_at="/tmp/hls/state.config",
"/tmp/hls/main",
streams,
mksafe(main_source)
)
output.file.hls(
playlist="rock.m3u8",
segment_duration=1.0,
segments=3,
segments_overhead=4,
persist_at="/tmp/hls/rock/state.config",
"/tmp/hls/rock",
streams,
mksafe(rock_source)
)
output.file.hls(
playlist="electronic.m3u8",
segment_duration=1.0,
segments=3,
segments_overhead=4,
persist_at="/tmp/hls/electronic/state.config",
"/tmp/hls/electronic",
streams,
mksafe(electronic_source)
)
output.file.hls(
playlist="rap.m3u8",
segment_duration=1.0,
segments=3,
segments_overhead=4,
persist_at="/tmp/hls/rap_state.config",
"/tmp/hls/rap",
streams,
mksafe(rap_source)
)
output.file.hls(
playlist="classical.m3u8",
segment_duration=1.0,
segments=3,
segments_overhead=4,
persist_at="/tmp/hls/classical_state.config",
"/tmp/hls/classical",
streams,
mksafe(classical_source)
)
output.file.hls(
playlist="pop.m3u8",
segment_duration=1.0,
segments=3,
segments_overhead=4,
persist_at="/tmp/hls/pop_state.config",
"/tmp/hls/pop",
streams,
mksafe(pop_source)
)
def get_next_http(~protocol,~data,~headers,uri) =
log("Station from POST Data: #{data}")
if data == "main" then
_req = source.skip(all_tracks_main)
elsif data == "rock" then
_req = source.skip(all_tracks_rock)
elsif data == "electronic" then
_req = source.skip(all_tracks_electronic)
elsif data == "rap" then
_req = source.skip(all_tracks_rap)
elsif data == "classical" then
_req = source.skip(all_tracks_classical)
elsif data == "pop" then
_req = source.skip(all_tracks_pop)
end
http.response(
protocol=protocol,
code=200,
data="OK #{data}"
)
end
harbor.http.register(port=29000, method="POST", "/next", get_next_http)
# Icecast Outputs [Each station]
output.icecast(
%ogg(%vorbis(quality=1.0, samplerate=44100)),
host="localhost", port=9992,
user="redacted", password="redacted",
mount="sfm.ogg",
fallible=false,
all_tracks_main
)
output.icecast(
%ogg(%vorbis(quality=1.0, samplerate=44100)),
host="localhost", port=9992,
user="redacted", password="redacted",
mount="rock.ogg",
fallible=false,
all_tracks_rock
)
output.icecast(
%ogg(%vorbis(quality=1.0, samplerate=44100)),
host="localhost", port=9992,
user="redacted", password="redacted",
mount="electronic.ogg",
fallible=false,
all_tracks_electronic
)
output.icecast(
%ogg(%vorbis(quality=1.0, samplerate=44100)),
host="localhost", port=9992,
user="redacted", password="redacted",
mount="rap.ogg",
fallible=false,
all_tracks_rap
)
output.icecast(
%ogg(%vorbis(quality=1.0, samplerate=44100)),
host="localhost", port=9992,
user="redacted", password="redacted",
mount="classical.ogg",
fallible=false,
all_tracks_classical
)
output.icecast(
%ogg(%vorbis(quality=1.0, samplerate=44100)),
host="localhost", port=9992,
user="redacted", password="redacted",
mount="pop.ogg",
fallible=false,
all_tracks_pop
)