49 lines
1.7 KiB
Plaintext
49 lines
1.7 KiB
Plaintext
#!/usr/bin/liquidsoap
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# Example liquidsoap streaming from op25 to icecast
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# (c) 2019-2021 gnorbury@bondcar.com, wllmbecks@gmail.com
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#
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set("log.stdout", true)
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set("log.file", false)
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set("log.level", 1)
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# Make the native sample rate compatible with op25
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set("frame.audio.samplerate", 8000)
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# ==========================================================
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# 📢 ICECAST CONFIGURATION USING ENVIRONMENT VARIABLES
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# Use getenv("VAR_NAME", "default_value")
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# ==========================================================
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ICE_HOST = getenv("ICE_HOST", "ic2.vpn.cusano.net")
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ICE_PORT = int_of_string(getenv("ICE_PORT", "8000"))
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ICE_MOUNT = getenv("ICE_MOUNT", "mountpoint")
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ICE_PASSWORD = getenv("ICE_PASSWORD", "hackme")
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ICE_DESCRIPTION = getenv("ICE_DESCRIPTION", "op25")
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ICE_GENRE = getenv("ICE_GENRE", "Public Safety")
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# ==========================================================
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input = mksafe(input.external(buffer=0.25, channels=2, samplerate=8000, restart_on_error=false, "./audio.py -x 2.5 -s"))
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# Consider increasing the buffer value on slow systems such as RPi3. e.g. buffer=0.25
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# Compression
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input = compress(input, attack = 2.0, gain = 0.0, knee = 13.0, ratio = 2.0, release = 12.3, threshold = -18.0)
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# Normalization
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input = normalize(input, gain_max = 6.0, gain_min = -6.0, target = -16.0, threshold = -65.0)
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# ==========================================================
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# OUTPUT: Referencing the new variables
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# ==========================================================
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output.icecast(
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%mp3(bitrate=16, samplerate=22050, stereo=false),
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description=ICE_DESCRIPTION,
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genre=ICE_GENRE,
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url="",
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fallible=false,
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host=ICE_HOST,
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port=ICE_PORT,
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mount=ICE_MOUNT,
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password=ICE_PASSWORD,
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mean(input)
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) |