Claude
ec8eb7aebf
A stddev-only filter would wrongly drop near-black night frames. Now only skips a frame when BOTH stddev < GREY_MIN AND mean brightness > GREY_DARK_FLOOR (default 30/255). Night frames are dark so they always pass; bad-signal grey frames are mid-bright so they are caught. https://claude.ai/code/session_01C4jbd3waXG3eKZYbGUjLUQ
408 lines
22 KiB
Plaintext
408 lines
22 KiB
Plaintext
# =============================================================================
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# sky-cam.conf — master configuration for all sky-cam scripts
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# =============================================================================
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#
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# This is the ONLY file you need to edit. After editing, run:
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#
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# ./install.sh # installs systemd timers (no root needed)
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# ./install.sh --system # system-wide install (requires sudo)
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#
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# Re-run install.sh any time this file changes.
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#
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# -----------------------------------------------------------------------------
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# MANUAL SYSTEMD SETUP (if you prefer not to use install.sh)
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# -----------------------------------------------------------------------------
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# After editing this file, generate the unit files:
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#
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# mkdir -p ~/.config/systemd/user
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# cp systemd/*.service systemd/*.timer ~/.config/systemd/user/
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#
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# Then edit ExecStart= in each .service file to match your SCRIPT_DIR, then:
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#
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# systemctl --user daemon-reload
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# systemctl --user enable --now sky-cam-sunrise.timer
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# # one sky-cam-seasons-<cam>.timer per camera, e.g.:
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# systemctl --user enable --now sky-cam-seasons-east.timer
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#
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# Check status:
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# systemctl --user list-timers 'sky-cam-*'
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# journalctl --user -u sky-cam-seasons-sunrise.service -f
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#
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# System-wide (replace --user with no flag, prepend sudo):
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# sudo cp systemd/*.service systemd/*.timer /etc/systemd/system/
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# sudo systemctl daemon-reload && sudo systemctl enable --now sky-cam-*.timer
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#
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# -----------------------------------------------------------------------------
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# SCRIPT MAP — what each file does and when it runs
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# -----------------------------------------------------------------------------
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#
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# You run / schedule:
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# daily_sunrise_video.sh — daily at SCHEDULE_SUNRISE (via systemd, SUNRISE_CAM only)
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# grabs images around sunrise, makes a short video,
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# uploads it to Mattermost
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#
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# 4-seasons.sh <cam> — daily at SCHEDULE_SEASONS_<cam> (via systemd, per camera)
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# makes yesterday's daily clip sized to its share
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# of the matching Vivaldi movement's music duration;
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# on the last day of a movement, auto-triggers
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# montage-mvt.sh
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#
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#
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# install.sh — run once at setup, and again if this file changes
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# generates and installs systemd units from conf
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#
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# stitch-cameras.py — run manually when needed
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# stitches north + sunrise into a panorama
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# usage: python3 stitch-cameras.py north.jpg sunrise.jpg prefix [focal]
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#
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# Auto-triggered (do not run directly):
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# montage-mvt.sh — called by 4-seasons.sh on last day of each movement
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# concatenates all daily clips for the movement,
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# speed-adjusts to match music, overlays attribution,
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# sends completion notification; on last Autumn
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# movement also triggers year-end-join.sh
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#
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# year-end-join.sh — called by montage-mvt.sh at end of Autumn Mvt 3
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# concatenates all 12 movement montages into one
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# Four Seasons year video, sends notification
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#
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# Helpers (called by the scripts above, not run directly):
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# notify.sh — sends notifications via ntfy / email / Mattermost
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# season_info.py — outputs astronomical season/movement/year for a date
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# sunrise.py — outputs today's sunrise time (used by daily_sunrise_video)
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# sunrise2mm.py — uploads the sunrise video to Mattermost
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# sunrise_overlay.py — burns a timestamp overlay onto the sunrise video
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#
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# -----------------------------------------------------------------------------
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# FILE DEPENDENCIES — who calls whom, and what to update if you rename a file
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# -----------------------------------------------------------------------------
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#
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# sky-cam.conf (this file)
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# ← sourced by every .sh script; read by sunrise.py, sunrise2mm.py
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# → if renamed: update the 'source' line at the top of ALL scripts
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# (don't rename it — just edit it in place)
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#
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# install.sh
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# ← run manually; reads this conf
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# → if renamed: update the note at the top of this conf file only
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# generates → systemd unit files (sky-cam-*.service / .timer)
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# and sky-cam-notify-failure@.service
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#
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# daily_sunrise_video.sh
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# ← called by systemd sky-cam-sunrise.timer (SCHEDULE_SUNRISE)
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# → if renamed: update install.sh (write_service call ~line 70)
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# then re-run install.sh to regenerate the unit
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# calls → sunrise.py, sunrise_overlay.py, sunrise2mm.py
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#
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# 4-seasons.sh
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# ← called by systemd sky-cam-seasons-<cam>.timer (SCHEDULE_SEASONS_<cam>)
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# → if renamed: update install.sh (write_service call ~line 85)
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# then re-run install.sh
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# calls → season_info.py, montage-mvt.sh
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#
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# montage-mvt.sh
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# ← called by 4-seasons.sh on the last day of each movement
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# → if renamed: update 4-seasons.sh (the exec line near the bottom)
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# calls → season_info.py, notify.sh, year-end-join.sh
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#
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# year-end-join.sh
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# ← called by montage-mvt.sh at end of Autumn Mvt 3
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# → if renamed: update montage-mvt.sh (the exec line at the bottom)
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# calls → notify.sh
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#
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# notify.sh
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# ← called by montage-mvt.sh, year-end-join.sh
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# also referenced in install.sh for the OnFailure= failure template
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# → if renamed: update montage-mvt.sh, year-end-join.sh, install.sh
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#
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# season_info.py
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# ← called by 4-seasons.sh and montage-mvt.sh
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# → if renamed: update 4-seasons.sh and montage-mvt.sh (the eval lines)
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#
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# sunrise.py
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# ← called by daily_sunrise_video.sh
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# → if renamed: update daily_sunrise_video.sh
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#
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# sunrise_overlay.py
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# ← called by daily_sunrise_video.sh
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# → if renamed: update daily_sunrise_video.sh
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#
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# sunrise2mm.py
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# ← called by daily_sunrise_video.sh
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# → if renamed: update daily_sunrise_video.sh
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#
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# stitch-cameras.py
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# ← run manually only; no script calls it
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# → safe to rename with no other changes needed
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#
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# =============================================================================
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# ── Install location ──────────────────────────────────────────────────────────
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# Auto-detected from where this file lives — override only if you move the
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# scripts to a different location after install.
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SCRIPT_DIR="${SCRIPT_DIR:-$(dirname "$(realpath "${BASH_SOURCE[0]}")")}"
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# ── Storage ───────────────────────────────────────────────────────────────────
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# BASE_DIR: root folder where camera images are stored.
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# Structure created automatically: BASE_DIR/<cam>/YYYY-MM-DD/HH-MM-SS.jpg
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# Defaults to a 'data' subfolder next to the scripts; override to point at
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# an external drive or network mount (recommended for production).
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BASE_DIR="${BASE_DIR:-$SCRIPT_DIR/data}"
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MOVIES_DIR="${MOVIES_DIR:-$BASE_DIR/movies}" # override if videos live on a different drive
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MUSIC_DIR="${MUSIC_DIR:-$SCRIPT_DIR/music}"
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AUDIO_DIR="${AUDIO_DIR:-$BASE_DIR/audio}" # root for all audio recordings; override in .env
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# Structure: AUDIO_DIR/<cam>/YYYY-MM-DD/HH-MM-SS.m4a (ambient)
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# AUDIO_DIR/sunrise/<cam>/YYYY-MM-DD/sunrise-audio.m4a (sunrise clips)
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# ── Location & timezone ───────────────────────────────────────────────────────
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# Used by sunrise.py to calculate sunrise time each day.
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#
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# To find your coordinates:
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# Google Maps — right-click your location → the first item shown is "lat, lon"
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# Or: maps.google.com, drop a pin, coordinates appear in the URL and sidebar
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#
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# ── Location & timezone ───────────────────────────────────────────────────────
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# Set your real values in .env — do not put exact coordinates here since
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# this file is committed to git. Add these three lines to your .env:
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#
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# LATITUDE=43.1234
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# LONGITUDE=-76.5678
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# TIMEZONE=America/Chicago
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#
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# Placeholder values below are used only if .env has not set them.
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LATITUDE="${LATITUDE:-0.0000}"
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LONGITUDE="${LONGITUDE:-0.0000}"
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TIMEZONE="${TIMEZONE:-America/New_York}"
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# ── Cameras ───────────────────────────────────────────────────────────────────
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# List every camera name here (space-separated inside the parentheses).
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# Each name becomes a subfolder under BASE_DIR (images) and BASE_DIR/movies.
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# To add a camera: add its name here, add its schedules below, re-run install.sh.
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#
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CAMERAS=(east north south) # add west here + uncomment its schedule below when ready
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SUNRISE_CAM=east # which camera faces east (gets the sunrise video job)
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# ── Schedules ─────────────────────────────────────────────────────────────────
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# All times are HH:MM:SS (24-hour local time).
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# install.sh reads these and generates one systemd timer per camera per job.
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#
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# SCHEDULE_SUNRISE
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# When to START the sunrise video job. The script wakes up, calculates
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# today's sunrise time, then WAITS internally until the capture window is
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# fully finished before touching any images. Set this early enough to
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# cover your earliest possible sunrise minus SUNRISE_PRE_MIN — 03:00 works
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# year-round for most locations. The video is ready a few minutes after the
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# capture window closes, not at this start time.
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#
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# SCHEDULE_SEASONS_<cam> (one per camera in CAMERAS)
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# When to run the Four Seasons daily clip job. Processes YESTERDAY'S images
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# (not today's) — always runs after midnight. On the last day of a season
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# movement this automatically triggers the movement montage build.
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# Space multiple cameras at least 30 min apart to avoid disk contention.
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#
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SCHEDULE_SUNRISE=03:00:00
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# Four Seasons daily clip — one per camera, staggered 30 min apart.
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# Processes yesterday's images; on the last day of a movement auto-triggers
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# montage-mvt.sh. Space cameras at least 30 min apart to avoid disk contention.
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SCHEDULE_SEASONS_east=01:00:00
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SCHEDULE_SEASONS_north=01:30:00
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SCHEDULE_SEASONS_south=02:00:00
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# To add west: uncomment below, add west to CAMERAS above, add CAM_RTSP_west to .env
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#SCHEDULE_SEASONS_west=02:30:00
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# ── Sunrise video tuning ──────────────────────────────────────────────────────
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# Capture window around sunrise:
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# Images from (sunrise - SUNRISE_PRE_MIN) to (sunrise + SUNRISE_POST_MIN)
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# are included in the clip. Larger windows give more context; they are all
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# speed-adjusted to fit SUNRISE_TARGET_SECS regardless of window size.
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SUNRISE_PRE_MIN=70 # minutes before sunrise to start capturing
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SUNRISE_POST_MIN=10 # minutes after sunrise to stop capturing
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# Target length of the final sunrise video (seconds).
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SUNRISE_TARGET_SECS=10
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# Burn the local sunrise time vertically on the right side of the video.
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# Set false to skip the overlay entirely (cleaner look, faster encoding).
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SUNRISE_OVERLAY_ENABLED=true
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# Opacity of the sunrise-time text (0.0 = invisible, 1.0 = fully opaque).
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SUNRISE_OVERLAY_OPACITY=0.45
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# Delete daily sunrise videos older than this many days (rolling window).
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# Set 0 to keep forever.
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SUNRISE_RETENTION_DAYS=10
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# Delete unpinned sunrise posts from Mattermost older than this many days.
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# Pinned posts are always kept regardless. Set 0 to disable Mattermost cleanup.
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MM_SUNRISE_RETENTION_DAYS=8
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# Output directory for --test runs. Kept separate from production sunrise videos.
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# Test files older than DEMO_RETENTION_DAYS are deleted automatically.
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DEMO_DIR="${DEMO_DIR:-$MOVIES_DIR/demoio}"
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DEMO_RETENTION_DAYS=8
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# ── Video encoding quality ────────────────────────────────────────────────────
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# FFmpeg CRF: lower = higher quality / larger files. Typical range 18–30.
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# 18 ≈ visually lossless 23 = ffmpeg default 28 = smaller/lower
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# H.265 (libx265) CRF is not directly comparable — H.265 CRF 22 ≈ H.264 CRF 26
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# in visual quality but ~40-50% smaller file. Final montages use H.265;
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# intermediates (deleted after use) stay H.264.
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#
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# ENCODE_PRESET: slow = better compression, same CRF quality, ~2× encode time.
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# Use 'medium' on slower machines, 'slow' or 'slower' on fast ones.
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# All encodes run at night so 'slow' is the right default.
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#
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CRF_SUNRISE=28 # daily_sunrise_video.sh — daily Mattermost upload (H.264)
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CRF_SEASONS_RAW=28 # 4-seasons.sh — raw concat before speed-adjust (H.264)
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CRF_SEASONS_FINAL=26 # 4-seasons.sh — final daily clip (goes into montage) (H.264)
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CRF_MONTAGE=28 # montage-mvt.sh — intermediate concat + sped steps (H.264)
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CRF_MONTAGE_FINAL=22 # montage-mvt.sh — final archive montage (H.265)
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ENCODE_PRESET=slow # ffmpeg preset for all encodes (slow/medium/fast)
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AUDIO_BITRATE=192k # montage-mvt.sh — music track on movement montages
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# ── Frame validation (4-seasons.sh) ──────────────────────────────────────────
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# Corrupt or empty frames (e.g. first frame after a camera reconnect) are always
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# skipped automatically via ffprobe. No config needed.
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#
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# SEASONS_GREY_STDDEV_MIN: also skip uniform-grey frames caused by a bad RTSP
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# signal (valid JPEGs, but near-solid grey — no real image content).
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# A frame is only skipped when BOTH conditions hold:
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# 1. pixel standard deviation (0–255) is below SEASONS_GREY_STDDEV_MIN
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# 2. mean brightness (0–255) is above SEASONS_GREY_DARK_FLOOR
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# This keeps genuine night frames (dark + low stddev) while dropping
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# bad-signal grey frames (mid-bright + low stddev).
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#
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# SEASONS_GREY_STDDEV_MIN=0 disables the filter entirely (default).
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# Try 5–10 if your camera produces solid-grey frames on reconnect.
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# Requires ImageMagick (convert) to be installed.
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SEASONS_GREY_STDDEV_MIN=0
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SEASONS_GREY_DARK_FLOOR=30 # frames with mean brightness below this are always kept
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# ── Montage attribution overlay ───────────────────────────────────────────────
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# A translucent bar across the top of each movement montage, naming the
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# music source ("The Four Seasons — Antonio Vivaldi ...").
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# Appears for MONTAGE_ATTR_DUR seconds from the start, with ATTR_FADE-second
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# fade in and fade out. FADE_DUR controls the video/audio fade in/out at
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# the very start and very end of the montage.
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#
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MONTAGE_FADE_DUR=2.0 # video + audio fade in/out (seconds)
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MONTAGE_ATTR_DUR=6 # attribution overlay total duration (seconds)
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MONTAGE_ATTR_FADE=1 # attribution fade-in and fade-out length (seconds)
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# ── Music loop multiplier ─────────────────────────────────────────────────────
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# Short movements (especially Mvt 2 adagios) give each day only 3-5 seconds of
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# screen time. Looping the music N times multiplies the per-day target so days
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# are less compressed and more watchable. Per-movement overrides take the form
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# MONTAGE_MUSIC_LOOPS_<Season>_<MvtNum>.
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#
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# Recommended starting point based on movement durations:
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# Summer Mvt 2 (107s) → 3× Winter Mvt 2 (132s) → 3×
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# Autumn Mvt 2 (152s) → 2× Summer Mvt 3 (159s) → 2×
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# Spring Mvt 2 (171s) → 2× others 1× (already ≥10 s/day)
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#
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MONTAGE_MUSIC_LOOPS=1 # default for all movements
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MONTAGE_MUSIC_LOOPS_Summer_2=3
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MONTAGE_MUSIC_LOOPS_Winter_2=3
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MONTAGE_MUSIC_LOOPS_Autumn_2=2
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MONTAGE_MUSIC_LOOPS_Summer_3=2
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MONTAGE_MUSIC_LOOPS_Spring_2=2
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# ── Direct RTSP capture (replaces MotionEye / any NVR) ────────────────────────
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# capture.sh pulls frames directly from each camera's RTSP stream.
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# No NVR software required — just ffmpeg and the camera's stream URL.
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#
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# Per-camera RTSP URL: CAM_RTSP_<cam>=rtsp://user:pass@host:port/path
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# Find the URL in your camera's web UI (usually under Network → Video → RTSP)
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# or check your camera's manual.
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#
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# CAM_RTSP_<cam> goes in .env (see bottom of this file), not here.
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# Seconds between captured frames (applies to all cameras).
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# Lower = smoother timelapse + larger storage footprint:
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# 10 s → 8,640 frames/day ~2.5 GB/day (default, good balance)
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# 5 s → 17,280 frames/day ~5 GB/day (smoother motion)
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# 2 s → 43,200 frames/day ~12 GB/day (very smooth, high storage)
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# CAPTURE_STALE_SECS should always be at least 2× CAPTURE_INTERVAL.
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CAPTURE_INTERVAL=10
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# Per-camera overrides — uncomment and set to override the global value above.
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# Useful when cameras serve different purposes (e.g. south records ambient audio
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# so fewer frames is fine; north faces a busy scene and benefits from 5s).
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#CAPTURE_INTERVAL_east=10
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#CAPTURE_INTERVAL_north=10
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#CAPTURE_INTERVAL_south=30
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# Seconds without a new frame before the watchdog sends a stall notification.
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# A recovery notification fires automatically when capture resumes.
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# Must always be at least 2× the effective CAPTURE_INTERVAL for that camera.
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CAPTURE_STALE_SECS=30
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# ── Sunrise audio capture ──────────────────────────────────────────────────────
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# Records the camera's RTSP audio stream during the sunrise window so that
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# daily_sunrise_video.sh can mix in natural ambient sound (birds, rain, wind)
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# at real speed, while the video plays as the sped-up timelapse.
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# The audio file is deleted automatically after it is mixed into the video.
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#
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AUDIO_ENABLED=false # set true if your camera has a working mic
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CAPTURE_AUDIO_BITRATE=96k # bitrate for the sunrise audio recording
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# Audio is recorded for exactly SUNRISE_TARGET_SECS, centred on actual sunrise:
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# floor(TARGET/2) seconds before, ceil(TARGET/2) after (odd second → post-sunrise).
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# Clips are saved to AUDIO_DIR/sunrise/<cam>/YYYY-MM-DD/sunrise-audio.m4a.
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# After mixing into the video the clip is kept for SUNRISE_AUDIO_RETENTION_DAYS, then deleted.
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SUNRISE_AUDIO_RETENTION_DAYS=7
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# ── Ambient audio library ──────────────────────────────────────────────────────
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# Continuously records natural sounds (birds, rain, wind) from AMBIENT_CAMS to
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# build a reusable audio library. Runs as a permanent systemd service alongside
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# capture.sh. Camera audio is 8 kHz mono (phone quality) — enough for nature
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# sounds and white-noise style playback.
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#
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AMBIENT_ENABLED=false
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AMBIENT_CAMS=(south) # cameras to record from
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AMBIENT_CHUNK_SECS=1800 # seconds per file (default 30 min)
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AMBIENT_BITRATE=96k # AAC bitrate; 64–96k is plenty at 8 kHz
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# Retention — global default, then optional per-camera overrides.
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# Uncomment and set per-cam lines to keep different cameras for different durations.
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AMBIENT_RETENTION_DAYS=30 # global default; 0 = keep forever
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#AMBIENT_RETENTION_DAYS_east=14
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#AMBIENT_RETENTION_DAYS_north=30
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#AMBIENT_RETENTION_DAYS_south=60 # keep south longer for nature sound library
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# ── Mattermost — daily sunrise upload ─────────────────────────────────────────
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# mattermost_url, access_token, channel_id go in .env (see bottom of this file).
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# ── Notifications — montage / year-end complete + any job failure ─────────────
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# Notifications fire when a movement montage or the year video finishes,
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# and via systemd OnFailure= if any daily job fails.
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# Uncomment and configure one or more methods to enable.
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# ntfy — push notifications, zero signup for self-hosted or free cloud tier:
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||
# Self-hosted: https://docs.ntfy.sh/install/
|
||
# Cloud: pick any topic name at ntfy.sh (no account needed)
|
||
# Set NTFY_URL=https://ntfy.sh/your-topic in .env, then flip the toggle below.
|
||
NTFY_ENABLED=false
|
||
NTFY_URL="${NTFY_URL:-}"
|
||
|
||
# Email — requires the 'mail' command (package: mailutils or s-nail).
|
||
# Configure outbound SMTP via /etc/ssmtp/ssmtp.conf or msmtp.
|
||
# Set EMAIL_TO and EMAIL_FROM in .env, then flip the toggle below.
|
||
EMAIL_ENABLED=false
|
||
EMAIL_TO="${EMAIL_TO:-}"
|
||
EMAIL_FROM="${EMAIL_FROM:-skycam@localhost}"
|
||
|
||
# Mattermost text post — reuses mattermost_url and access_token above.
|
||
# Can be the same daily channel or a separate admin/private channel.
|
||
# Set MM_NOTIFY_CHANNEL_ID in .env, then flip the toggle below.
|
||
MM_NOTIFY_ENABLED=false
|
||
MM_NOTIFY_CHANNEL_ID="${MM_NOTIFY_CHANNEL_ID:-}"
|
||
|
||
# ── Credentials (.env override) ───────────────────────────────────────────────
|
||
# Sensitive values (RTSP URLs with passwords, API tokens) can be kept out of
|
||
# this file — and out of git — by placing them in a .env file in the same
|
||
# directory. install.sh generates .env.example showing exactly which variables
|
||
# to define for your camera list.
|
||
#
|
||
# To use:
|
||
# cp .env.example .env
|
||
# $EDITOR .env ← fill in real values
|
||
# (never commit .env)
|
||
#
|
||
_conf_dir="$(dirname "$(realpath "${BASH_SOURCE[0]}")")"
|
||
[ -f "$_conf_dir/.env" ] && source "$_conf_dir/.env"
|
||
unset _conf_dir
|