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feat(playback): stream buffering UI, M4A moov-at-end streaming, hot-cache spill (#737)

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* feat(playback): stream buffering UI, ranged M4A tail prefetch, demuxer fix

Defer seekbar/progress until HTTP stream is armed for both legacy and
RangedHttpSource; show buffering overlay on cover art. Add MP4 tail
prefetch and Symphonia isomp4 bounded-mdat/moov-at-EOF probing so
moov-at-end M4A can start without reading the full mdat.

* feat(hot-cache): spill large ranged streams to disk for promote

When a ranged HTTP download completes above the 64 MiB RAM promote cap,
write the existing buffer once to app-data stream-spill/ and register it
for hot-cache promote (rename) and replay via fetch_data. Analysis seeds
from the spill file up to the local-file cap (512 MiB).

* fix(ui): stream buffering — grayscale cover and static clock icon

Desaturate player and queue cover art while isPlaybackBuffering; keep a
non-animated clock overlay for visibility without the spinning animation.

* fix(playback): review follow-up — tests, i18n, spill cleanup, changelog

Clippy and test layout fixes; stream spill orphan cleanup on startup;
buffering flag guard in progress handler; bufferingStream in all player
locales; CHANGELOG and contributor credits for stream/M4A work.

* docs: attribute stream buffering and M4A streaming to PR #737

* test(audio): avoid create_engine in stream spill unit test

CI runners have no audio output device; test spill take/consume via
the Mutex slot only, matching install_stream_completed_spill tests.
This commit is contained in:
cucadmuh
2026-05-16 22:56:47 +03:00
committed by GitHub
parent 1ac354fb67
commit 6ea0acede5
45 changed files with 1280 additions and 105 deletions
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src-tauri/crates/psysonic-audio/src/lib.rs
+4 -1
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@@ -36,7 +36,10 @@ mod stream;
pub use device_commands::{audio_default_output_device_name, audio_list_devices_for_engine};
pub use device_watcher::start_device_watcher;
pub use engine::{create_engine, refresh_http_user_agent, AudioEngine};
pub use helpers::take_stream_completed_for_url;
pub use helpers::{
cleanup_orphan_stream_spill_dir, take_stream_completed_for_url,
take_stream_completed_spill_for_url,
};
/// Register platform-specific listeners so the output stream is reopened after sleep/resume
/// when the device name may be unchanged (Windows WASAPI, Linux PipeWire, …).