Add LiquidSoap script (in use as of 2025-07-20)
This commit is contained in:
324
server.ls
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324
server.ls
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#!/usr/bin/liquidsoap
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set("log.file.path", "/tmp/lsl.txt")
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set("log.stdout", true)
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set("harbor.bind_addrs", ["127.0.0.1"])
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# Get next track dynamically [Each station]
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def get_next_main() =
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uri = list.hd(default="", process.read.lines("uv run get_next_track.py main"))
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[request.create(uri)]
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end
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def get_next_rock() =
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uri = list.hd(default="", process.read.lines("uv run get_next_track.py rock"))
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[request.create(uri)]
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end
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def get_next_electronic() =
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uri = list.hd(default="", process.read.lines("uv run get_next_track.py electronic"))
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[request.create(uri)]
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end
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def get_next_rap() =
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uri = list.hd(default="", process.read.lines("uv run get_next_track.py rap"))
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[request.create(uri)]
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end
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def get_next_classical() =
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uri = list.hd(default="", process.read.lines("uv run get_next_track.py classical"))
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[request.create(uri)]
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end
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def get_next_pop() =
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uri = list.hd(default="", process.read.lines("uv run get_next_track.py pop"))
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[request.create(uri)]
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end
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# Set up queues [Each station]
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main_list = request.dynamic.list(
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id="requests",
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get_next_main,
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prefetch=0
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)
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rock_list = request.dynamic.list(
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id="rock_requests",
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get_next_rock,
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prefetch=0
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)
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electronic_list = request.dynamic.list(
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id="electronic_requests",
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get_next_electronic,
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prefetch=0
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)
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rap_list = request.dynamic.list(
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id="rap_requests",
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get_next_rap,
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prefetch=0
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)
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classical_list = request.dynamic.list(
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id="classical_requests",
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get_next_classical,
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prefetch=0
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)
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pop_list = request.dynamic.list(
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id="pop_requests",
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get_next_pop,
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prefetch=0
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)
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# Standard
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silence = single("/home/kyle/ls/silence.ogg")
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# Queue [Each station]
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def main_queue(remaining, _) =
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log("MAIN: Queueing with #{remaining} seconds remaining")
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if not main_list.fetch() then
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log("Fetching next query failed")
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end
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end
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def rock_queue(remaining, _) =
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log("ROCK: Queueing with #{remaining} seconds remaining")
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if not rock_list.fetch() then
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log("Fetching next query failed")
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end
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end
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def electronic_queue(remaining, _) =
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log("ELECTRONIC: Queueing with #{remaining} seconds remaining")
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if not electronic_list.fetch() then
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log("Fetching next query failed")
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end
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end
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def rap_queue(remaining, _) =
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log("RAP: Queueing with #{remaining} seconds remaining")
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if not rap_list.fetch() then
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log("Fetching next query failed")
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end
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end
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def classical_queue(remaining, _) =
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log("CLASSICAL: Queueing with #{remaining} seconds remaining")
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if not classical_list.fetch() then
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log("Fetching next query failed")
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end
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end
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def pop_queue(remaining, _) =
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log("POP: Queueing with #{remaining} seconds remaining")
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if not pop_list.fetch() then
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log("Fetching next query failed")
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end
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end
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# Initial fetch [Each station]
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main_list.fetch()
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rock_list.fetch()
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electronic_list.fetch()
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rap_list.fetch()
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classical_list.fetch()
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pop_list.fetch()
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# Source setup [Each station]
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main_source = source.on_end(delay=1.0, main_list, main_queue)
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rock_source = source.on_end(delay=1.0, rock_list, rock_queue)
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electronic_source = source.on_end(delay=1.0, electronic_list, electronic_queue)
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rap_source = source.on_end(delay=1.0, rap_list, rap_queue)
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classical_source = source.on_end(delay=1.0, classical_list, classical_queue)
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pop_source = source.on_end(delay=1.0, pop_list, pop_queue)
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all_tracks_main = fallback(track_sensitive=false, [main_source, silence])
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all_tracks_rock = fallback(track_sensitive=false, [rock_source, silence])
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all_tracks_electronic = fallback(track_sensitive=false, [electronic_source, silence])
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all_tracks_rap = fallback(track_sensitive=false, [rap_source, silence])
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all_tracks_classical = fallback(track_sensitive=false, [classical_source, silence])
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all_tracks_pop = fallback(track_sensitive=false, [pop_source, silence])
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# HLS Setup [Standard]
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aac_lofi =
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%ffmpeg(format = "mpegts", %audio(codec = "aac", channels = 2, ar = 44100))
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aac_midfi =
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%ffmpeg(
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format = "mpegts",
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%audio(codec = "aac", channels = 2, ar = 44100, b = "96k")
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)
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aac_hifi =
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%ffmpeg(
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format = "mpegts",
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%audio(codec = "aac", channels = 2, ar = 44100, b = "192k")
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)
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streams =
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[("aac_lofi", aac_lofi), ("aac_midfi", aac_midfi), ("aac_hifi", aac_hifi)]
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# HLS Outputs [Each station]
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output.file.hls(
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playlist="main.m3u8",
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segment_duration=1.0,
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segments=3,
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segments_overhead=4,
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persist_at="/tmp/hls/state.config",
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"/tmp/hls/main",
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streams,
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mksafe(main_source)
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)
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output.file.hls(
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playlist="rock.m3u8",
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segment_duration=1.0,
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segments=3,
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segments_overhead=4,
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persist_at="/tmp/hls/rock/state.config",
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"/tmp/hls/rock",
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streams,
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mksafe(rock_source)
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)
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output.file.hls(
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playlist="electronic.m3u8",
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segment_duration=1.0,
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segments=3,
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segments_overhead=4,
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persist_at="/tmp/hls/electronic/state.config",
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"/tmp/hls/electronic",
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streams,
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mksafe(electronic_source)
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)
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output.file.hls(
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playlist="rap.m3u8",
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segment_duration=1.0,
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segments=3,
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segments_overhead=4,
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persist_at="/tmp/hls/rap_state.config",
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"/tmp/hls/rap",
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streams,
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mksafe(rap_source)
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)
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output.file.hls(
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playlist="classical.m3u8",
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segment_duration=1.0,
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segments=3,
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segments_overhead=4,
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persist_at="/tmp/hls/classical_state.config",
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"/tmp/hls/classical",
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streams,
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mksafe(classical_source)
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)
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output.file.hls(
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playlist="pop.m3u8",
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segment_duration=1.0,
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segments=3,
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segments_overhead=4,
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persist_at="/tmp/hls/pop_state.config",
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"/tmp/hls/pop",
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streams,
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mksafe(pop_source)
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)
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def get_next_http(~protocol,~data,~headers,uri) =
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log("Station from POST Data: #{data}")
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if data == "main" then
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_req = source.skip(all_tracks_main)
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elsif data == "rock" then
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_req = source.skip(all_tracks_rock)
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elsif data == "electronic" then
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_req = source.skip(all_tracks_electronic)
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elsif data == "rap" then
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_req = source.skip(all_tracks_rap)
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elsif data == "classical" then
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_req = source.skip(all_tracks_classical)
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elsif data == "pop" then
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_req = source.skip(all_tracks_pop)
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end
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http.response(
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protocol=protocol,
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code=200,
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data="OK #{data}"
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)
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end
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harbor.http.register(port=29000, method="POST", "/next", get_next_http)
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# Icecast Outputs [Each station]
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output.icecast(
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%ogg(%vorbis(quality=1.0, samplerate=44100)),
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host="localhost", port=9992,
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user="redacted", password="redacted",
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mount="sfm.ogg",
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fallible=false,
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all_tracks_main
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)
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output.icecast(
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%ogg(%vorbis(quality=1.0, samplerate=44100)),
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host="localhost", port=9992,
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user="redacted", password="redacted",
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mount="rock.ogg",
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fallible=false,
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all_tracks_rock
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)
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output.icecast(
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%ogg(%vorbis(quality=1.0, samplerate=44100)),
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host="localhost", port=9992,
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user="redacted", password="redacted",
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mount="electronic.ogg",
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fallible=false,
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all_tracks_electronic
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)
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output.icecast(
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%ogg(%vorbis(quality=1.0, samplerate=44100)),
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host="localhost", port=9992,
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user="redacted", password="redacted",
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mount="rap.ogg",
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fallible=false,
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all_tracks_rap
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)
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output.icecast(
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%ogg(%vorbis(quality=1.0, samplerate=44100)),
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host="localhost", port=9992,
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user="redacted", password="redacted",
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mount="classical.ogg",
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fallible=false,
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all_tracks_classical
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)
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output.icecast(
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%ogg(%vorbis(quality=1.0, samplerate=44100)),
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host="localhost", port=9992,
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user="redacted", password="redacted",
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mount="pop.ogg",
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fallible=false,
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all_tracks_pop
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)
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