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AudioRing (reader-detects-lap architecture): - Writer NEVER touches read_pos — fixes SPSC invariant violation - Reader self-corrects when lapped (snaps read_pos forward) - Power-of-2 capacity (16384 = 341ms) with bitmask indexing - Added overflow_count and underrun_count diagnostics - Wired ring health into engine stats and periodic logging Capture thread use-after-free (drain latch): - Added CountDownLatch(2) to AudioPipeline - Audio threads count down after exiting their loops - teardown() awaits latch (200ms timeout) before destroy() - Guarantees no in-flight JNI calls when native handle is freed - stopAudio() no longer nulls pipeline (teardown handles it) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
74 lines
2.4 KiB
Rust
74 lines
2.4 KiB
Rust
//! Call statistics for the Android engine.
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/// State of the call.
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/// Serializes as integer for easy parsing on the Kotlin side:
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/// 0=Idle, 1=Connecting, 2=Active, 3=Reconnecting, 4=Closed
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#[derive(Clone, Debug, Default, PartialEq, Eq)]
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pub enum CallState {
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#[default]
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Idle,
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Connecting,
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Active,
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Reconnecting,
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Closed,
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}
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impl serde::Serialize for CallState {
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fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
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let n: u8 = match self {
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CallState::Idle => 0,
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CallState::Connecting => 1,
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CallState::Active => 2,
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CallState::Reconnecting => 3,
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CallState::Closed => 4,
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};
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serializer.serialize_u8(n)
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}
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}
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/// Aggregated call statistics, serializable for JNI bridge.
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#[derive(Clone, Debug, Default, serde::Serialize)]
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pub struct CallStats {
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/// Current call state.
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pub state: CallState,
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/// Call duration in seconds.
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pub duration_secs: f64,
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/// Current quality tier (0=GOOD, 1=DEGRADED, 2=CATASTROPHIC).
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pub quality_tier: u8,
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/// Observed packet loss percentage.
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pub loss_pct: f32,
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/// Smoothed round-trip time in milliseconds.
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pub rtt_ms: u32,
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/// Jitter in milliseconds.
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pub jitter_ms: u32,
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/// Current jitter buffer depth in packets.
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pub jitter_buffer_depth: usize,
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/// Total frames encoded since call start.
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pub frames_encoded: u64,
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/// Total frames decoded since call start.
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pub frames_decoded: u64,
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/// Number of playout underruns (buffer empty when audio needed).
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pub underruns: u64,
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/// Frames recovered by FEC.
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pub fec_recovered: u64,
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/// Playout ring overflow count (reader was lapped by writer).
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pub playout_overflows: u64,
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/// Playout ring underrun count (reader found empty buffer).
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pub playout_underruns: u64,
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/// Capture ring overflow count.
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pub capture_overflows: u64,
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/// Current mic audio level (RMS of i16 samples, 0-32767).
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pub audio_level: u32,
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/// Number of participants in the room (from last RoomUpdate).
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pub room_participant_count: u32,
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/// Participant list (fingerprint + optional alias) serialized as JSON array.
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pub room_participants: Vec<RoomMember>,
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}
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/// A room member entry, serialized into the stats JSON.
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#[derive(Clone, Debug, Default, serde::Serialize)]
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pub struct RoomMember {
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pub fingerprint: String,
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pub alias: Option<String>,
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}
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