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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
2026-08-18 16:25:18 -05:00
parent a85304e26e
commit 19fdc11ab3
68 changed files with 6813 additions and 602 deletions
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frigate/models.py
+6
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@@ -79,6 +79,12 @@ class Recordings(Model):
segment_size = FloatField(default=0) # this should be stored as MB
regions = IntegerField(null=True)
motion_heatmap = JSONField(null=True) # 16x16 grid, 256 values (0-255)
keyframes = JSONField(null=True) # ms offsets; NULL = unprobed (legacy rows)
stream_type = CharField(default="main", max_length=8)
has_audio = BooleanField(null=True) # NULL = unknown (legacy rows)
audio_rate = IntegerField(null=True) # Hz; NULL = unknown (legacy rows)
audio_codec = CharField(null=True, max_length=20) # NULL = unknown (legacy rows)
video_codec = CharField(null=True, max_length=20) # NULL = unknown (legacy rows)
class ExportCase(Model):