Add live score overlay to video stream using shared volume between transcoder and overlay service

squashkiwi-streaming/config/transcoder/Dockerfile

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+FROM linuxserver/ffmpeg:latest
+
+# Install fonts for text overlay
+RUN apk add --no-cache ttf-dejavu
+
+# Copy transcoder script
+COPY transcoder.sh /transcoder.sh
+RUN chmod +x /transcoder.sh
+
+# Create score file directory
+RUN mkdir -p /tmp
+
+ENTRYPOINT ["/transcoder.sh"]

squashkiwi-streaming/config/transcoder/transcoder.sh

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+#!/bin/bash
+# Transcoder with live score overlay for SquashKiwi streaming
+
+# Create initial score file if it doesn't exist
+SCORE_FILE="/tmp/score.txt"
+if [ ! -f "$SCORE_FILE" ]; then
+    echo "Waiting for match..." > "$SCORE_FILE"
+fi
+
+# Start ffmpeg with drawtext filter for score overlay
+exec ffmpeg \
+    -re \
+    -rtsp_transport tcp \
+    -i rtsp://localhost:8554/court \
+    -vf "drawtext=fontfile=/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf:\
+textfile='$SCORE_FILE':\
+reload=1:\
+fontcolor=white:\
+fontsize=24:\
+box=1:\
+boxcolor=black@0.7:\
+boxborderw=5:\
+x=10:\
+y=10" \
+    -c:v libx264 \
+    -preset ultrafast \
+    -tune zerolatency \
+    -b:v 2M \
+    -f rtsp \
+    -rtsp_transport tcp \
+    rtsp://localhost:8554/court_h264