mirror of
https://github.com/legop3/MultiRoombaRover.git
synced 2026-09-16 01:21:20 -04:00
43 lines
1.2 KiB
Bash
43 lines
1.2 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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# Configurable via environment
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DEVICE="${DEVICE:-/dev/video0}"
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RESOLUTION="${RESOLUTION:-640x480}"
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QUALITY="${QUALITY:-10}" # ffmpeg MJPEG quality (lower is better)
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PORT="${PORT:-8088}"
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WORKDIR="${WORKDIR:-/run/roomcam}"
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# Optional: set INPUT_FORMAT=bayer_grbg8 to transcode raw Bayer cams (e.g., OV534) to JPEG.
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INPUT_FORMAT="${INPUT_FORMAT:-mjpeg}"
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mkdir -p "${WORKDIR}"
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SNAPSHOT_PATH="${WORKDIR}/snapshot.jpg"
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rm -f "${SNAPSHOT_PATH}"
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# push
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cleanup() {
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[[ -n "${FFMPEG_PID:-}" ]] && kill "${FFMPEG_PID}" 2>/dev/null || true
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[[ -n "${HTTP_PID:-}" ]] && kill "${HTTP_PID}" 2>/dev/null || true
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}
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trap cleanup EXIT
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trap 'exit 0' SIGTERM INT
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FFMPEG_INPUT_ARGS=(-f v4l2 -input_format "${INPUT_FORMAT}" -video_size "${RESOLUTION}" -i "${DEVICE}")
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FFMPEG_FILTERS=()
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if [[ "${INPUT_FORMAT}" == bayer_* ]]; then
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# Convert raw Bayer to a JPEG-friendly pixel format.
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FFMPEG_FILTERS=(-pix_fmt yuv420p)
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fi
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/usr/bin/ffmpeg -y \
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-loglevel warning -nostats \
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"${FFMPEG_INPUT_ARGS[@]}" \
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"${FFMPEG_FILTERS[@]}" \
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-q:v "${QUALITY}" \
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-f image2 -update 1 "${SNAPSHOT_PATH}" &
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FFMPEG_PID=$!
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/usr/bin/python3 -u -m http.server "${PORT}" --directory "${WORKDIR}" --bind 0.0.0.0 &
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HTTP_PID=$!
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wait -n "${FFMPEG_PID}" "${HTTP_PID}"
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