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Documentation of radio_conjurer.liq

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Migatu
2024-04-18 01:36:34 +02:00
parent 7dc53ef6b4
commit 477430e9a3
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conjurer_musician/radio_conjurer.liq
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# FILEPATH: /home/mtuszowski/conjurer/conjurer_musician/radio_conjurer.liq
# This script sets up a Liquidsoap radio stream with various features and configurations.
# Load icecast credentials from a JSON file
let json.parse credentials = file.contents("/home/pi/Conjurer/icecast_credentials.json")
# Enable replaygain metadata processing
enable_replaygain_metadata()
# Define playlists to be used in the stream
s1 = replaygain(playlist(reload_mode="watch", "/home/pi/Conjurer/all_playlist.playlist"))
s2 = replaygain(playlist(reload_mode="watch", "/home/pi/Conjurer/priority_queue.playlist"))
s3 = replaygain(playlist(reload_mode="watch", "/home/pi/Conjurer/hit.playlist"))
# Randomly select a playlist with weights
s = random(id="randomizer", weights=[1, 3, 2], [s1, s2, s3])
# Set up an interactive harbor for controlling the stream
interactive.harbor(port = 9999)
f = interactive.float("f", description="Frequency", min=0., max=1000.,unit="Hz", 200.)
g = interactive.float("g", description="Gain", min=0., max=20.,unit="dB", 8.)
# Set up interactive controls for bass boost
f = interactive.float("f", description="Frequency", min=0., max=1000., unit="Hz", 200.)
g = interactive.float("g", description="Gain", min=0., max=20., unit="dB", 8.)
b = bass_boost(frequency=f, gain=g, s)
s = add([s, b])
# Set up interactive control for main volume
a = interactive.float("main_volume", min=0., max=20., 1.)
s = compress.multiband.interactive(bands=3, s)
s = nrj(normalize (s))
# Apply audio processing effects
s = nrj(normalize(s))
s = crossfade(fade_out=3., fade_in=3., duration=5., s)
s = amplify(a,s)
s = amplify(a, s)
# Skip blank sections in the stream
s = blank.skip(max_blank=2., s)
# Configure logging settings
log_to_stdout = true
log_to_file = true
logpath = "/home/pi/Conjurer/radio_log.log"
loglevel = 4
set("log.stdout",log_to_stdout)
set("log.level",loglevel)
set("log.stdout", log_to_stdout)
set("log.level", loglevel)
# Enable logging to file. See variable: logpath
set("log.file",log_to_file)
set("log.file.path",logpath)
# Enable logging to file
set("log.file", log_to_file)
set("log.file.path", logpath)
# Set up emergency fallback track
emergency = single("/home/pi/RetroPie/mp3/Youtube/Dr. Peacock - Trip to Ireland [GvrvQTUbUcA].mp3")
radio = fallback(id="switcher",track_sensitive = false, [s, emergency])
# Create a fallback stream with the main stream and emergency track
radio = fallback(id="switcher", track_sensitive=false, [s, emergency])
# Handle metadata events
handle_metadata = fun (m) -> begin
log.info(m["title"])
log.info(m["artist"])
log.info(m["filename"])
end
radio.on_metadata(handle_metadata)
# Enable persistent script parameters
interactive.persistent("script.params")
# Enable logging on Standard Output and set logging level.
output.file.hls("/tmp/hls",[("mp3-low", %mp3(bitrate=96)), ("mp3-hi", %mp3(bitrate=160))],radio)
output.icecast(%mp3, host="retropie", port=8000,password=credentials.password, icy_metadata="true", mount="mp3-stream", radio)
# Configure output formats and destinations
output.file.hls("/tmp/hls", [("mp3-low", %mp3(bitrate=96)), ("mp3-hi", %mp3(bitrate=160))], radio)
output.icecast(%mp3, host="retropie", port=8000, password=credentials.password, icy_metadata="true", mount="mp3-stream", radio)