dashcamd: GPS subtitle track (.srt) with speed, position, timestamp

Each MP4 segment gets a companion .srt file with 1Hz entries containing
speed (MPH), lat/lon coordinates, and UTC timestamp from gpsLocation
cereal messages. Falls back to "No GPS" when fix is unavailable.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-04-13 05:48:46 +00:00
parent 0aca33791c
commit 98b117b610
2 changed files with 95 additions and 8 deletions

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