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diff --git a/docs/musicbay.md b/docs/musicbay.md index 2524948..20e391e 100644 --- a/docs/musicbay.md +++ b/docs/musicbay.md @@ -104,6 +104,23 @@ queued track so pressing "next" doesn't visibly wait — client-side only, a small in-memory blob cache keyed by file id, evicted once it falls off the front of the queue. +**Amendment (2026-08-24), one exception found against a real library:** WMA +and Musepack (.mpc) tag and cover perfectly well (enrich_audio.py reads +their real keys directly, since neither has mutagen's generic "easy" +wrapper), but decode in **no** mainstream browser's `<audio>` element at +all, no matter how the file is tagged — this is a codec-support gap, not a +metadata one. For these two extensions only, the player asks the node to +transcode to AAC/M4A first (`audio_transcode_req`/`_resp`, MNP 0.9), a +one-shot whole-file conversion (not live-piped like video's fMP4 segments — +an audio file is small enough that there is nothing to gain from streaming +it), cached under its own content hash the same way a TMDB poster or a +MusicBrainz cover is cached, and served back through the ordinary +file_req/chunk path (`_try_serve_thumbnail`, generalized to slice a +multi-chunk cached blob rather than assuming everything cached is +thumbnail-sized). Every other format still plays exactly as described +above — this is a narrow, extension-gated exception, not a reopening of the +simplification. + ### 2.3 The player is persistent across tabs — a shell-level addition Closing the Music tab must not stop the music, the same way switching to @@ -286,6 +303,21 @@ already covers most files, so building a correction UI before measuring whether it's needed would repeat the "designed and not needed" pattern this project's own history warns against. +### 4.3b New request/response: audio transcode (amendment, §2.2) + +``` +audio_transcode_req { file_id } +audio_transcode_resp { file_id, hash, size, mime } +``` + +`hash` is a cache key, not the file's own id — the client downloads it +through the ordinary `file_req`/chunk path exactly like a TMDB poster or +MusicBrainz cover, never a new download mechanism. Sent only for WMA and +Musepack (`.wma`/`.mpc`); every other format still downloads its own +`entry.id` directly, unchanged. Shares its concurrency cap with video's +transcode pool (`MAX_CONCURRENT_TRANSCODES`) rather than getting its own — +both are real ffmpeg processes on the same node. + ### 4.4 `ALLOWED_APPS` Add `"music"` to the frozenset in `webrtc_server.py`. `DEFAULT_APPS` stays |