feat: add setup_mediamtx.sh install script
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#!/usr/bin/env bash
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# setup_mediamtx.sh — Install and configure MediaMTX for TechDJ
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# Run on the remote server as a user with sudo access:
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# bash setup_mediamtx.sh
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set -e
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LISTENER_PORT=5001
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SRT_PORT=8890
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HLS_PORT=8888
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SRT_PATH=aussie_dj
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MEDIAMTX_CONF=/usr/local/etc/mediamtx/mediamtx.yml
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echo "==> Detecting architecture..."
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ARCH=$(uname -m)
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case "$ARCH" in
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x86_64) ARCH_LABEL="amd64" ;;
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aarch64) ARCH_LABEL="arm64" ;;
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armv7l) ARCH_LABEL="armv7" ;;
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*) echo "ERROR: Unsupported architecture: $ARCH"; exit 1 ;;
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esac
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echo " Architecture: $ARCH_LABEL"
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echo "==> Fetching latest MediaMTX version..."
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LATEST=$(curl -fsSL https://api.github.com/repos/bluenviron/mediamtx/releases/latest \
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| grep '"tag_name"' | head -1 | sed 's/.*"v\([^"]*\)".*/\1/')
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if [ -z "$LATEST" ]; then
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echo "ERROR: Could not fetch latest version. Check internet connectivity."
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exit 1
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fi
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echo " Latest version: v$LATEST"
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# Check if already installed and up to date
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if command -v mediamtx &>/dev/null; then
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INSTALLED=$(mediamtx --version 2>&1 | grep -oP '\d+\.\d+\.\d+' | head -1 || true)
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if [ "$INSTALLED" = "$LATEST" ]; then
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echo "==> MediaMTX v$LATEST already installed, skipping download."
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else
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echo "==> Updating MediaMTX from v$INSTALLED to v$LATEST..."
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INSTALL=1
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fi
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else
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INSTALL=1
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fi
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if [ "${INSTALL:-0}" = "1" ]; then
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TARBALL="mediamtx_v${LATEST}_linux_${ARCH_LABEL}.tar.gz"
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URL="https://github.com/bluenviron/mediamtx/releases/download/v${LATEST}/${TARBALL}"
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echo "==> Downloading $TARBALL..."
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curl -fsSL "$URL" -o "/tmp/$TARBALL"
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echo "==> Installing to /usr/local/bin..."
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sudo tar -xzf "/tmp/$TARBALL" -C /usr/local/bin mediamtx
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rm "/tmp/$TARBALL"
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echo " Installed: $(mediamtx --version 2>&1 | head -1)"
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fi
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echo "==> Writing MediaMTX config to $MEDIAMTX_CONF..."
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sudo mkdir -p "$(dirname "$MEDIAMTX_CONF")"
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sudo tee "$MEDIAMTX_CONF" > /dev/null << YAMLEOF
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###############################################################################
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# MediaMTX config for TechDJ
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# Generated by setup_mediamtx.sh
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###############################################################################
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# Logging
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logLevel: info
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logDestinations: [stdout]
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# Disable unused protocols
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rtsp:
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disabled: false # keep enabled — mediamtx needs it internally
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rtmp:
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disabled: true
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webrtc:
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disabled: true
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# HLS output — listeners access the stream here
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hls:
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address: :${HLS_PORT}
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# Keep a short segment list so listeners tune in quickly
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segmentDuration: 2s
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partDuration: 200ms
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segmentMaxAge: 30s
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# SRT input — DJ streams here via OBS
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srt:
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address: :${SRT_PORT}
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# Paths
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paths:
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${SRT_PATH}:
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runOnPublish: >-
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curl -s -X POST http://127.0.0.1:${LISTENER_PORT}/api/webhook
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-H "Content-Type: application/json"
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-d "{\"event\":\"publish\",\"path\":\"${SRT_PATH}\",\"source\":{\"remoteAddr\":\"\$MTX_QUERY\"}}"
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runOnUnpublish: >-
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curl -s -X POST http://127.0.0.1:${LISTENER_PORT}/api/webhook
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-H "Content-Type: application/json"
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-d "{\"event\":\"unpublish\",\"path\":\"${SRT_PATH}\"}"
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YAMLEOF
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echo " Config written."
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echo "==> Writing systemd service..."
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sudo tee /etc/systemd/system/mediamtx.service > /dev/null << 'SVCEOF'
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[Unit]
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Description=MediaMTX Real-time Media Server
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After=network.target
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[Service]
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ExecStart=/usr/local/bin/mediamtx /usr/local/etc/mediamtx/mediamtx.yml
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Restart=always
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RestartSec=5
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StandardOutput=journal
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StandardError=journal
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[Install]
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WantedBy=multi-user.target
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SVCEOF
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echo "==> Enabling and starting mediamtx service..."
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sudo systemctl daemon-reload
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sudo systemctl enable mediamtx
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sudo systemctl restart mediamtx
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echo "==> Opening firewall ports..."
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if command -v ufw &>/dev/null; then
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sudo ufw allow "${SRT_PORT}/udp" && echo " UFW: opened ${SRT_PORT}/udp (SRT)"
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sudo ufw allow "${HLS_PORT}/tcp" && echo " UFW: opened ${HLS_PORT}/tcp (HLS)"
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else
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echo " UFW not found — open ports ${SRT_PORT}/udp and ${HLS_PORT}/tcp manually."
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fi
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echo ""
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echo "==> Waiting for service to start..."
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sleep 2
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sudo systemctl status mediamtx --no-pager | head -20
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echo ""
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echo "================================================================"
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echo " MediaMTX setup complete!"
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echo " SRT ingest : srt://$(hostname -f):${SRT_PORT}?streamid=${SRT_PATH}"
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echo " HLS output : http://$(hostname -f):${HLS_PORT}/${SRT_PATH}/index.m3u8"
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echo " Webhook : http://127.0.0.1:${LISTENER_PORT}/api/webhook"
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echo "================================================================"
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