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Add sub stream recording with adaptive quality playback (#24009)

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* add sub stream recording with adaptive quality playback

Optionally record a second, lower bitrate stream alongside the main
recording stream via a `record_sub` input role and `record.sub` config block, with its own retention windows.
Recordings rows now carry the stream type plus the media details needed to serve both streams from one manifest: video codec, audio presence, audio codec and rate, and a record-time keyframe index.

Playback resolves coverage across both streams and merges them into a single VOD sequence, falling back to a discontinuity manifest with per-clip init segments when the media signatures differ. The player exposes a quality selector, and an auto governor picks the stream from stall time, bandwidth, codec support, and the save-data hint.

* fix tests and i18n
This commit is contained in:
Josh Hawkins
2026-09-12 07:30:04 -06:00
committed by Nicolas Mowen
parent f7c5500ea8
commit 1498231eb9
68 changed files with 6794 additions and 602 deletions
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frigate/video/ffmpeg.py
+19
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@@ -147,6 +147,7 @@ class CameraWatchdog(threading.Thread):
self.requestor = InterProcessRequestor()
self.was_enabled = self.config.enabled
self.was_record_enabled_in_config = self.config.record.enabled_in_config
self.was_record_sub_enabled = self.config.record.sub.enabled
self.segment_subscriber = RecordingsDataSubscriber(RecordingsDataTypeEnum.all)
self.latest_valid_segment_time: float = 0
@@ -312,6 +313,24 @@ class CameraWatchdog(threading.Thread):
self.was_record_enabled_in_config = record_enabled_in_config
continue
record_sub_enabled = self.config.record.sub.enabled
if record_sub_enabled != self.was_record_sub_enabled:
# adding and removing the record_sub output both require a
# restart, unlike the main record toggle
if record_enabled_in_config and enabled:
self.logger.debug(
f"Sub stream recording toggled in config for {self.config.name}, restarting ffmpeg"
)
self.stop_all_ffmpeg()
self.start_all_ffmpeg()
self.latest_valid_segment_time = 0
self.latest_invalid_segment_time = 0
self.latest_cache_segment_time = 0
self.record_enable_time = datetime.now().astimezone(UTC)
last_restart_time = datetime.now().timestamp()
self.was_record_sub_enabled = record_sub_enabled
continue
if not enabled:
continue