Adding liquidsoap

Dockerfile

@@ -18,13 +18,17 @@ WORKDIR /op25
 # Run the install script to set up op25
 RUN ./install.sh -f
 
+# Install the op25.liq file
+COPY op25.liq /op25/op25/gr-op25_repeater/apps/op25.liq
+RUN chmod +x /op25/op25/gr-op25_repeater/apps/op25.liq
+
 # Install Python dependencies
 COPY requirements.txt /tmp/requirements.txt
 RUN pip3 install --no-cache-dir -r /tmp/requirements.txt
 
 # Create the run_multi-rx_service.sh script
-RUN echo "#!/bin/bash\n./multi_rx.py -v 1 -c /configs/active.cfg.json" > ./op25/gr-op25_repeater/apps/run_multi-rx_service.sh && \
-    chmod +x ./op25/gr-op25_repeater/apps/run_multi-rx_service.sh
+COPY run_multi-rx_service.sh /op25/op25/gr-op25_repeater/apps/run_multi-rx_service.sh
+RUN chmod +x /op25/op25/gr-op25_repeater/apps/run_multi-rx_service.sh
 
 # Expose ports for HTTP control as needed, for example:
 EXPOSE 8001 8081

op25.liq

@@ -0,0 +1,41 @@
+#!/usr/bin/liquidsoap
+
+# Example liquidsoap streaming from op25 to icecast
+# (c) 2019-2021 gnorbury@bondcar.com, wllmbecks@gmail.com
+#
+
+set("log.stdout", true)
+set("log.file", false)
+set("log.level", 1)
+
+# Make the native sample rate compatible with op25
+set("frame.audio.samplerate", 8000)
+
+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
+# 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
+input = compress(input, attack = 2.0, gain = 0.0, knee = 13.0, ratio = 2.0, release = 12.3, threshold = -18.0)
+
+# Normalization
+input = normalize(input, gain_max = 6.0, gain_min = -6.0, target = -16.0, threshold = -65.0)
+
+
+# ICECAST STREAMING
+# Uncomment to enable output to an icecast server
+# Change the "host", "password", and "mount" strings appropriately first!
+# For metadata to work properly, the host address given here MUST MATCH the address in op25's meta.json file
+#
+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))

run_multi-rx_service.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+# Configuration file path
+CONFIG_FILE="/configs/active.cfg.json"
+
+# --- Start the main OP25 receiver (multi_rx.py) in the background ---
+# The '&' sends the process to the background.
+echo "Starting multi_rx.py..."
+./multi_rx.py -v 1 -c $CONFIG_FILE &
+MULTI_RX_PID=$! # Store the PID of the background process
+
+# --- Start the liquid-dsp plot utility (op25.liq) in the background ---
+echo "Starting op25.liq..."
+./op25.liq -c $CONFIG_FILE &
+LIQ_PID=$! # Store the PID of the op25.liq process
+
+# Wait for both background jobs to finish.
+# Since multi_rx.py is the core service, this script will effectively wait 
+# until multi_rx.py is externally stopped (via the API).
+# The trap command ensures that SIGTERM is passed to the background jobs.
+trap "kill $MULTI_RX_PID $LIQ_PID" SIGTERM SIGINT
+wait $MULTI_RX_PID