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feat(lyrics): configurable sources with drag-to-reorder + feat(audio): ReplayGain pre-gain & fallback

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Lyrics Sources:
- Replace lyricsServerFirst + enableNeteaselyrics toggles with a new
  Settings section — three sources (Server, LRCLIB, Netease) each
  individually toggled and drag-reorderable via psy-drop DnD
- useLyrics.ts iterates sources in user-defined order, skipping disabled
  ones; embedded SYLT from local files still wins unconditionally
- onRehydrateStorage migration from legacy fields on first load

ReplayGain Pre-Gain:
- New authStore fields: replayGainPreGainDb (0…+6 dB) and
  replayGainFallbackDb (-6…0 dB, untagged / radio)
- audio.rs compute_gain applies pre_gain_db and fallback_db
- Settings sliders under ReplayGain mode selector
- Radio HTML5 volume scaled by fallbackDb factor on playRadio

i18n(ru): incorporate PR #148 translation improvements (kilyabin)
All 7 locales updated for new keys.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Psychotoxical
2026-04-10 23:57:36 +02:00
parent 003e7a3203
commit 20dabbfd03
12 changed files with 303 additions and 48 deletions
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src-tauri/src/audio.rs
+13 -5
View File
@@ -1822,11 +1822,13 @@ const MASTER_HEADROOM: f32 = 0.891_254;
fn compute_gain(
replay_gain_db: Option<f32>,
replay_gain_peak: Option<f32>,
pre_gain_db: f32,
fallback_db: f32,
volume: f32,
) -> (f32, f32) {
let gain_linear = replay_gain_db
.map(|db| 10f32.powf(db / 20.0))
.unwrap_or(1.0);
.map(|db| 10f32.powf((db + pre_gain_db) / 20.0))
.unwrap_or_else(|| 10f32.powf(fallback_db / 20.0));
let peak = replay_gain_peak.unwrap_or(1.0).max(0.001);
let gain_linear = gain_linear.min(1.0 / peak);
let effective = (volume.clamp(0.0, 1.0) * gain_linear * MASTER_HEADROOM).clamp(0.0, 1.0);
@@ -1842,6 +1844,8 @@ pub async fn audio_play(
duration_hint: f64,
replay_gain_db: Option<f32>,
replay_gain_peak: Option<f32>,
pre_gain_db: f32,
fallback_db: f32,
manual: bool, // true = user-initiated skip → bypass crossfade, start immediately
hi_res_enabled: bool, // false = safe 44.1 kHz mode; true = native rate (alpha)
app: AppHandle,
@@ -1931,7 +1935,7 @@ pub async fn audio_play(
return Ok(());
}
let (gain_linear, effective_volume) = compute_gain(replay_gain_db, replay_gain_peak, volume);
let (gain_linear, effective_volume) = compute_gain(replay_gain_db, replay_gain_peak, pre_gain_db, fallback_db, volume);
// Manual skips (user-initiated) bypass crossfade — the track should start immediately.
let crossfade_enabled = state.crossfade_enabled.load(Ordering::Relaxed) && !manual;
@@ -2176,6 +2180,8 @@ pub async fn audio_chain_preload(
duration_hint: f64,
replay_gain_db: Option<f32>,
replay_gain_peak: Option<f32>,
pre_gain_db: f32,
fallback_db: f32,
hi_res_enabled: bool,
state: State<'_, AudioEngine>,
) -> Result<(), String> {
@@ -2236,7 +2242,7 @@ pub async fn audio_chain_preload(
let raw_bytes = Arc::new(data);
let (gain_linear, effective_volume) = compute_gain(replay_gain_db, replay_gain_peak, volume);
let (gain_linear, effective_volume) = compute_gain(replay_gain_db, replay_gain_peak, pre_gain_db, fallback_db, volume);
let done_next = Arc::new(AtomicBool::new(false));
// Use a dedicated counter for the chained source — it will be swapped into
@@ -2616,9 +2622,11 @@ pub fn audio_update_replay_gain(
volume: f32,
replay_gain_db: Option<f32>,
replay_gain_peak: Option<f32>,
pre_gain_db: f32,
fallback_db: f32,
state: State<'_, AudioEngine>,
) {
let (gain_linear, effective) = compute_gain(replay_gain_db, replay_gain_peak, volume);
let (gain_linear, effective) = compute_gain(replay_gain_db, replay_gain_peak, pre_gain_db, fallback_db, volume);
let mut cur = state.current.lock().unwrap();
cur.replay_gain_linear = gain_linear;
cur.base_volume = volume.clamp(0.0, 1.0);