Ryan Malloy
6c642f4a7e
New files for running the FM receiver in Docker with audio output: - Dockerfile.gnuradio-audio: GNU Radio image with ALSA→PulseAudio bridge - libasound2-plugins for ALSA PulseAudio plugin - /etc/asound.conf configures ALSA to route to PulseAudio - docker-compose.fm-receiver.yml: Full FM receiver setup - PulseAudio socket mount for audio - USB passthrough for RTL-SDR (requires privileged mode) - XML-RPC port 8090 exposed for tuning control - Environment vars: FREQ_MHZ, GAIN - entrypoint-fm.sh: Builds and runs flowgraph at specified frequency - run-fm-receiver.sh: Helper script with usage instructions Usage: HOST_UID=$(id -u) FREQ_MHZ=107.2 docker compose -f docker/docker-compose.fm-receiver.yml up
33 lines
793 B
YAML
33 lines
793 B
YAML
services:
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fm-receiver:
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build:
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context: .
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dockerfile: Dockerfile.gnuradio-audio
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# Root required for USB device access (RTL-SDR)
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user: root
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privileged: true
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volumes:
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# PulseAudio socket for audio output (ALSA → PulseAudio bridge)
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- /run/user/${HOST_UID:-1000}/pulse/native:/run/pulse/native
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# Flowgraph source files
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- ../examples:/flowgraphs:ro
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- ../src:/src:ro
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# Entrypoint script
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- ./entrypoint-fm.sh:/entrypoint-fm.sh:ro
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environment:
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- PULSE_SERVER=unix:/run/pulse/native
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- FREQ_MHZ=${FREQ_MHZ:-101.1}
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- GAIN=${GAIN:-10}
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# XML-RPC port for tuning control from host
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ports:
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- "8090:8090"
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entrypoint: ["/bin/bash", "/entrypoint-fm.sh"]
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stdin_open: true
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tty: true
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