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Josh Hawkins
19fdc11ab3
* 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