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Update liquid file to use vars
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Logan Cusano
2025-10-20 01:29:52 -04:00
parent 5bf22f971d
commit 8217413ef1
1 changed files with 27 additions and 19 deletions
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46
op25.liq
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@@ -11,20 +11,20 @@ set("log.level", 1)
# Make the native sample rate compatible with op25 # Make the native sample rate compatible with op25
set("frame.audio.samplerate", 8000) set("frame.audio.samplerate", 8000)
# ==========================================================
# 📢 ICECAST CONFIGURATION USING ENVIRONMENT VARIABLES
# Use get_env("VAR_NAME", "default_value")
# ==========================================================
ICE_HOST = get_env("ICE_HOST", "ic2.vpn.cusano.net")
ICE_PORT = int_of_string(get_env("ICE_PORT", "8000"))
ICE_MOUNT = get_env("ICE_MOUNT", "mountpoint")
ICE_PASSWORD = get_env("ICE_PASSWORD", "hackme")
ICE_DESCRIPTION = get_env("ICE_DESCRIPTION", "op25")
ICE_GENRE = get_env("ICE_GENRE", "Public Safety")
# ==========================================================
input = mksafe(input.external(buffer=0.25, channels=2, samplerate=8000, restart_on_error=false, "./audio.py -x 2.5 -s")) input = mksafe(input.external(buffer=0.25, channels=2, samplerate=8000, restart_on_error=false, "./audio.py -x 2.5 -s"))
# Consider increasing the buffer value on slow systems such as RPi3. e.g. buffer=0.25 # Consider increasing the buffer value on slow systems such as RPi3. e.g. buffer=0.25
# Longer buffer results in less choppy audio but at the expense of increased latency.
# OPTIONAL AUDIO SIGNAL PROCESSING BLOCKS
# Uncomment to enable
#
# High pass filter
#input = filter.iir.butterworth.high(frequency = 200.0, order = 4, input)
# Low pass filter
#input = filter.iir.butterworth.low(frequency = 3250.0, order = 4, input)
# Compression # Compression
input = compress(input, attack = 2.0, gain = 0.0, knee = 13.0, ratio = 2.0, release = 12.3, threshold = -18.0) input = compress(input, attack = 2.0, gain = 0.0, knee = 13.0, ratio = 2.0, release = 12.3, threshold = -18.0)
@@ -32,10 +32,18 @@ input = compress(input, attack = 2.0, gain = 0.0, knee = 13.0, ratio = 2.0, rele
# Normalization # Normalization
input = normalize(input, gain_max = 6.0, gain_min = -6.0, target = -16.0, threshold = -65.0) input = normalize(input, gain_max = 6.0, gain_min = -6.0, target = -16.0, threshold = -65.0)
# ==========================================================
# ICECAST STREAMING # OUTPUT: Referencing the new variables
# Uncomment to enable output to an icecast server # ==========================================================
# Change the "host", "password", and "mount" strings appropriately first! output.icecast(
# For metadata to work properly, the host address given here MUST MATCH the address in op25's meta.json file %mp3(bitrate=16, samplerate=22050, stereo=false),
# description=ICE_DESCRIPTION,
output.icecast(%mp3(bitrate=16, samplerate=22050, stereo=false), description="op25", genre="Public Safety", url="", fallible=false, host="ic2.vpn.cusano.net", port=8000, mount="mountpoint", password="hackme", mean(input)) genre=ICE_GENRE,
url="",
fallible=false,
host=ICE_HOST,
port=ICE_PORT,
mount=ICE_MOUNT,
password=ICE_PASSWORD,
mean(input)
)