dashcamd v3: trip directories, state machine, graceful shutdown

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Dashcam recording now organized by trip in /data/media/0/videos/YYYYMMDD-HHMMSS/.
Starts recording immediately on launch (with 10-min idle timer), transitions to
continuous recording when drive gear detected. New trip on every ignition cycle.
Graceful shutdown via DashcamShutdown param with 15s ack timeout in thermald.

- Bitrate reduced to 2500 kbps (was 4 Mbps)
- Trip state machine: IDLE → RECORDING ↔ IDLE_TIMEOUT → TRIP_ENDED
- Deleter: trip-aware deletion (oldest trip first, then segments within active trip)
- camerad changed to always_run (was driverview) so dashcam works offroad
- DashcamShutdown param for graceful close before device power-off

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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This commit is contained in:

Brian Hanson

2026-04-13 05:19:41 +00:00

parent 4f16a8953a

commit 86bd2e25b9

6 changed files with 262 additions and 65 deletions

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