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feat(sync): add shared playout staging and calibration hints

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This commit is contained in:
Brad Stein 2026-04-25 16:48:20 -03:00
parent d7ed1e0a4d
commit 8dbd7497f0
19 changed files with 930 additions and 352 deletions
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31
client/src/bin/lesavka-sync-analyze.rs
View File

@ -1,19 +1,36 @@
#[cfg(any(not(coverage), test))]
use anyhow::{Context, Result, bail};
#[cfg(not(coverage))]
use serde::Serialize;
#[cfg(not(coverage))]
use lesavka_client::sync_probe::analyze::{SyncAnalysisOptions, analyze_capture};
use lesavka_client::sync_probe::analyze::{
SyncAnalysisOptions, SyncAnalysisReport, SyncCalibrationRecommendation, analyze_capture,
};
#[cfg(not(coverage))]
#[derive(Serialize)]
struct SyncAnalyzeOutput<'a> {
#[serde(flatten)]
report: &'a SyncAnalysisReport,
calibration: SyncCalibrationRecommendation,
}
#[cfg(not(coverage))]
fn main() -> Result<()> {
let (capture_path, emit_json) = parse_args(std::env::args().skip(1))?;
let report = analyze_capture(&capture_path, &SyncAnalysisOptions::default())
.with_context(|| format!("analyzing sync capture {}", capture_path.display()))?;
let calibration = report.calibration_recommendation();
if emit_json {
let output = SyncAnalyzeOutput {
report: &report,
calibration,
};
println!(
"{}",
serde_json::to_string_pretty(&report).context("serializing JSON report")?
serde_json::to_string_pretty(&output).context("serializing JSON report")?
);
} else {
println!("A/V sync report for {}", capture_path.display());
@ -29,6 +46,16 @@ fn main() -> Result<()> {
println!("- median skew: {:+.1} ms", report.median_skew_ms);
println!("- max abs skew: {:.1} ms", report.max_abs_skew_ms);
println!("- drift: {:+.1} ms", report.drift_ms);
println!("- calibration ready: {}", calibration.ready);
println!(
"- recommended audio offset adjust: {:+} us",
calibration.recommended_audio_offset_adjust_us
);
println!(
"- alternative video offset adjust: {:+} us",
calibration.recommended_video_offset_adjust_us
);
println!("- calibration note: {}", calibration.note);
}
Ok(())

44
client/src/input/camera/capture_pipeline.rs
View File

@ -241,16 +241,34 @@ impl CameraCapture {
static CAMERA_PACKET_COUNT: std::sync::atomic::AtomicU64 =
std::sync::atomic::AtomicU64::new(0);
let packet_index = CAMERA_PACKET_COUNT.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
if packet_index == 0 {
tracing::info!(
bytes = map.as_slice().len(),
pts_us = pts,
"📸 upstream webcam frames flowing"
);
log_camera_first_packet(packet_index, map.as_slice().len(), pts);
log_camera_timing_sample(packet_index, timing, map.as_slice().len());
Some(VideoPacket {
id: 2,
pts,
data: map.as_slice().to_vec(),
..Default::default()
})
}
if crate::live_capture_clock::upstream_timing_trace_enabled()
}
fn log_camera_first_packet(packet_index: u64, bytes: usize, pts_us: u64) {
if packet_index == 0 {
tracing::info!(bytes, pts_us, "📸 upstream webcam frames flowing");
}
}
fn should_log_camera_timing_sample(packet_index: u64) -> bool {
crate::live_capture_clock::upstream_timing_trace_enabled()
&& (packet_index < 10 || packet_index.is_multiple_of(300))
{
}
fn log_camera_timing_sample(
packet_index: u64,
timing: crate::live_capture_clock::RebasedSourcePts,
bytes: usize,
) {
if should_log_camera_timing_sample(packet_index) {
tracing::info!(
packet_index,
source_pts_us = timing.source_pts_us.unwrap_or_default(),
@ -260,16 +278,8 @@ impl CameraCapture {
packet_pts_us = timing.packet_pts_us,
pull_path_delay_us = timing.capture_now_us as i128 - timing.packet_pts_us as i128,
used_source_pts = timing.used_source_pts,
bytes = map.as_slice().len(),
bytes,
"📸 upstream webcam timing sample"
);
}
Some(VideoPacket {
id: 2,
pts,
data: map.as_slice().to_vec(),
..Default::default()
})
}
}

2
client/src/sync_probe/analyze.rs
View File

@ -15,7 +15,7 @@ use onset_detection::{
};
pub use onset_detection::{detect_audio_onsets, detect_video_onsets};
pub use report::{SyncAnalysisOptions, SyncAnalysisReport};
pub use report::{SyncAnalysisOptions, SyncAnalysisReport, SyncCalibrationRecommendation};
/// Analyzes a captured upstream sync-probe file by extracting video and audio
/// pulses, then correlating them into skew and drift metrics.

156
client/src/sync_probe/analyze/report.rs
View File

@ -5,6 +5,9 @@ const DEFAULT_MAX_PAIR_GAP_S: f64 = 0.5;
const DEFAULT_PULSE_PERIOD_S: f64 = 1.0;
const DEFAULT_PULSE_WIDTH_S: f64 = 0.12;
const DEFAULT_MARKER_TICK_PERIOD: u32 = 5;
const CALIBRATION_MIN_PAIRED_EVENTS: usize = 8;
const CALIBRATION_MAX_DRIFT_MS: f64 = 40.0;
const CALIBRATION_SETTLED_SKEW_MS: f64 = 5.0;
#[derive(Clone, Debug, PartialEq, Serialize)]
pub struct SyncAnalysisReport {
@ -22,6 +25,64 @@ pub struct SyncAnalysisReport {
pub audio_onsets_s: Vec<f64>,
}
#[derive(Clone, Debug, PartialEq, Eq, Serialize)]
pub struct SyncCalibrationRecommendation {
pub ready: bool,
pub recommended_audio_offset_adjust_us: i64,
pub recommended_video_offset_adjust_us: i64,
pub note: String,
}
impl SyncAnalysisReport {
#[must_use]
pub fn calibration_recommendation(&self) -> SyncCalibrationRecommendation {
if self.paired_event_count < CALIBRATION_MIN_PAIRED_EVENTS {
return SyncCalibrationRecommendation {
ready: false,
recommended_audio_offset_adjust_us: 0,
recommended_video_offset_adjust_us: 0,
note: format!(
"need at least {CALIBRATION_MIN_PAIRED_EVENTS} paired pulses; saw {}",
self.paired_event_count
),
};
}
if self.drift_ms.abs() > CALIBRATION_MAX_DRIFT_MS {
return SyncCalibrationRecommendation {
ready: false,
recommended_audio_offset_adjust_us: 0,
recommended_video_offset_adjust_us: 0,
note: format!(
"drift {:.1} ms exceeds the {:.1} ms calibration limit",
self.drift_ms, CALIBRATION_MAX_DRIFT_MS
),
};
}
let recommended_audio_offset_adjust_us = (-(self.median_skew_ms * 1_000.0)).round() as i64;
let recommended_video_offset_adjust_us = -recommended_audio_offset_adjust_us;
let note = if self.median_skew_ms.abs() <= CALIBRATION_SETTLED_SKEW_MS {
format!(
"median skew {:.1} ms is already within the settled {:.1} ms band",
self.median_skew_ms, CALIBRATION_SETTLED_SKEW_MS
)
} else {
format!(
"apply the audio offset adjustment to move median skew from {:+.1} ms toward 0.0 ms",
self.median_skew_ms
)
};
SyncCalibrationRecommendation {
ready: true,
recommended_audio_offset_adjust_us,
recommended_video_offset_adjust_us,
note,
}
}
}
#[derive(Clone, Debug, PartialEq)]
pub struct SyncAnalysisOptions {
pub audio_window_ms: u32,
@ -45,7 +106,7 @@ impl Default for SyncAnalysisOptions {
#[cfg(test)]
mod tests {
use super::SyncAnalysisOptions;
use super::{SyncAnalysisOptions, SyncAnalysisReport};
#[test]
fn default_options_match_live_probe_expectations() {
@ -56,4 +117,97 @@ mod tests {
assert!((options.pulse_width_s - 0.12).abs() < f64::EPSILON);
assert_eq!(options.marker_tick_period, 5);
}
#[test]
fn calibration_recommendation_requires_enough_pairs() {
let report = SyncAnalysisReport {
video_event_count: 4,
audio_event_count: 4,
paired_event_count: 4,
first_skew_ms: 20.0,
last_skew_ms: 20.0,
mean_skew_ms: 20.0,
median_skew_ms: 20.0,
max_abs_skew_ms: 20.0,
drift_ms: 0.0,
skews_ms: vec![20.0; 4],
video_onsets_s: vec![],
audio_onsets_s: vec![],
};
let recommendation = report.calibration_recommendation();
assert!(!recommendation.ready);
assert_eq!(recommendation.recommended_audio_offset_adjust_us, 0);
assert!(recommendation.note.contains("need at least 8 paired pulses"));
}
#[test]
fn calibration_recommendation_rejects_unstable_drift() {
let report = SyncAnalysisReport {
video_event_count: 12,
audio_event_count: 12,
paired_event_count: 12,
first_skew_ms: 10.0,
last_skew_ms: 70.0,
mean_skew_ms: 40.0,
median_skew_ms: 35.0,
max_abs_skew_ms: 70.0,
drift_ms: 60.0,
skews_ms: vec![10.0, 20.0, 30.0, 40.0, 50.0, 60.0, 70.0],
video_onsets_s: vec![],
audio_onsets_s: vec![],
};
let recommendation = report.calibration_recommendation();
assert!(!recommendation.ready);
assert_eq!(recommendation.recommended_audio_offset_adjust_us, 0);
assert!(recommendation.note.contains("drift 60.0 ms exceeds"));
}
#[test]
fn calibration_recommendation_maps_median_skew_to_audio_and_video_offsets() {
let report = SyncAnalysisReport {
video_event_count: 14,
audio_event_count: 14,
paired_event_count: 12,
first_skew_ms: 28.0,
last_skew_ms: 32.0,
mean_skew_ms: 30.0,
median_skew_ms: 30.0,
max_abs_skew_ms: 32.0,
drift_ms: 4.0,
skews_ms: vec![28.0, 30.0, 32.0],
video_onsets_s: vec![],
audio_onsets_s: vec![],
};
let recommendation = report.calibration_recommendation();
assert!(recommendation.ready);
assert_eq!(recommendation.recommended_audio_offset_adjust_us, -30_000);
assert_eq!(recommendation.recommended_video_offset_adjust_us, 30_000);
assert!(recommendation.note.contains("move median skew"));
}
#[test]
fn calibration_recommendation_reports_when_skew_is_already_settled() {
let report = SyncAnalysisReport {
video_event_count: 14,
audio_event_count: 14,
paired_event_count: 12,
first_skew_ms: 3.0,
last_skew_ms: 4.0,
mean_skew_ms: 3.5,
median_skew_ms: 4.0,
max_abs_skew_ms: 4.0,
drift_ms: 1.0,
skews_ms: vec![3.0, 4.0],
video_onsets_s: vec![],
audio_onsets_s: vec![],
};
let recommendation = report.calibration_recommendation();
assert!(recommendation.ready);
assert_eq!(recommendation.recommended_audio_offset_adjust_us, -4_000);
assert!(recommendation.note.contains("already within the settled"));
}
}

4
docs/operational-env.md
View File

@ -213,6 +213,10 @@ Hardware-facing assumptions belong near the code that uses them; this file is th
| `LESAVKA_TOUCHPAD_SCALE` | input routing/clipboard override |
| `LESAVKA_UAC_DEV` | server hardware/device override |
| `LESAVKA_UAC_SESSION_CLOCK_ALIGN` | server audio sink clock-alignment override; `0` is the host-validated default |
| `LESAVKA_UPSTREAM_AUDIO_PLAYOUT_OFFSET_US` | server upstream playout override; shifts gadget-audio presentation relative to the shared playout epoch |
| `LESAVKA_UPSTREAM_PLAYOUT_DELAY_MS` | server upstream playout override; fixed shared A/V buffer before remote presentation, defaults to `1000` |
| `LESAVKA_UPSTREAM_TIMING_TRACE` | upstream capture/rebase trace override for sync debugging |
| `LESAVKA_UPSTREAM_VIDEO_PLAYOUT_OFFSET_US` | server upstream playout override; shifts webcam-video presentation relative to the shared playout epoch |
| `LESAVKA_UPLINK_CAMERA_PREVIEW` | client media capture/playback override |
| `LESAVKA_UPLINK_MIC_LEVEL` | client media capture/playback override |
| `LESAVKA_USB_RECOVERY_` | USB recovery timing override |

64
scripts/ci/quality_gate_baseline.json
View File

@ -1,4 +1,16 @@
{
"client/src/sync_probe/analyze/media_extract.rs": {
"line_percent": 97.96,
"loc": 245
},
"client/src/sync_probe/analyze/onset_detection/correlation.rs": {
"line_percent": 99.29,
"loc": 282
},
"client/src/sync_probe/analyze/onset_detection/correlation_collapse.rs": {
"line_percent": 98.73,
"loc": 237
},
"files": {
"client/src/app/audio_recovery_config.rs": {
"line_percent": 100.0,
@ -17,8 +29,8 @@
"loc": 304
},
"client/src/bin/lesavka-sync-analyze.rs": {
"line_percent": 95.0,
"loc": 98
"line_percent": 100.0,
"loc": 125
},
"client/src/bin/lesavka-sync-probe.rs": {
"line_percent": 100.0,
@ -30,19 +42,19 @@
},
"client/src/input/camera.rs": {
"line_percent": 100.0,
"loc": 61
"loc": 62
},
"client/src/input/camera/bus_and_encoder.rs": {
"line_percent": 100.0,
"loc": 69
},
"client/src/input/camera/capture_pipeline.rs": {
"line_percent": 99.32,
"loc": 272
"line_percent": 97.55,
"loc": 285
},
"client/src/input/camera/device_selection.rs": {
"line_percent": 97.62,
"loc": 100
"line_percent": 97.67,
"loc": 101
},
"client/src/input/camera/encoder_selection.rs": {
"line_percent": 100.0,
@ -94,7 +106,7 @@
},
"client/src/input/microphone.rs": {
"line_percent": 100.0,
"loc": 416
"loc": 419
},
"client/src/input/mouse.rs": {
"line_percent": 98.85,
@ -150,7 +162,7 @@
},
"client/src/live_capture_clock.rs": {
"line_percent": 100.0,
"loc": 56
"loc": 203
},
"client/src/main.rs": {
"line_percent": 100.0,
@ -185,20 +197,24 @@
"loc": 87
},
"client/src/sync_probe/analyze/media_extract.rs": {
"line_percent": 97.88,
"loc": 309
"line_percent": 97.96,
"loc": 319
},
"client/src/sync_probe/analyze/onset_detection.rs": {
"line_percent": 96.77,
"loc": 274
},
"client/src/sync_probe/analyze/onset_detection/correlation.rs": {
"line_percent": 100.0,
"loc": 310
"line_percent": 99.29,
"loc": 334
},
"client/src/sync_probe/analyze/onset_detection/correlation_collapse.rs": {
"line_percent": 98.73,
"loc": 311
},
"client/src/sync_probe/analyze/report.rs": {
"line_percent": 100.0,
"loc": 59
"loc": 213
},
"client/src/sync_probe/analyze/test_support.rs": {
"line_percent": 98.67,
@ -358,11 +374,11 @@
},
"server/src/main/relay_service.rs": {
"line_percent": 100.0,
"loc": 289
"loc": 311
},
"server/src/main/relay_service_coverage.rs": {
"line_percent": 100.0,
"loc": 179
"loc": 183
},
"server/src/main/rpc_helpers.rs": {
"line_percent": 100.0,
@ -394,7 +410,7 @@
},
"server/src/upstream_media_runtime.rs": {
"line_percent": 100.0,
"loc": 369
"loc": 376
},
"server/src/uvc_runtime.rs": {
"line_percent": 98.48,
@ -418,23 +434,11 @@
},
"server/src/video_sinks/webcam_sink.rs": {
"line_percent": 100.0,
"loc": 199
"loc": 258
},
"server/src/video_support.rs": {
"line_percent": 97.74,
"loc": 263
}
},
"client/src/sync_probe/analyze/media_extract.rs": {
"loc": 245,
"line_percent": 97.96
},
"client/src/sync_probe/analyze/onset_detection/correlation.rs": {
"loc": 282,
"line_percent": 99.29
},
"client/src/sync_probe/analyze/onset_detection/correlation_collapse.rs": {
"loc": 237,
"line_percent": 98.73
}
}

8
scripts/install/server.sh
View File

@ -484,6 +484,9 @@ fi
printf 'LESAVKA_ALSA_DEV=%s\n' "${LESAVKA_ALSA_DEV:-hw:UAC2Gadget,0}"
printf 'LESAVKA_UAC_HDMI_COMPENSATION_US=%s\n' "${LESAVKA_UAC_HDMI_COMPENSATION_US:-0}"
printf 'LESAVKA_UAC_SESSION_CLOCK_ALIGN=%s\n' "${LESAVKA_UAC_SESSION_CLOCK_ALIGN:-0}"
printf 'LESAVKA_UPSTREAM_PLAYOUT_DELAY_MS=%s\n' "${LESAVKA_UPSTREAM_PLAYOUT_DELAY_MS:-1000}"
printf 'LESAVKA_UPSTREAM_AUDIO_PLAYOUT_OFFSET_US=%s\n' "${LESAVKA_UPSTREAM_AUDIO_PLAYOUT_OFFSET_US:-0}"
printf 'LESAVKA_UPSTREAM_VIDEO_PLAYOUT_OFFSET_US=%s\n' "${LESAVKA_UPSTREAM_VIDEO_PLAYOUT_OFFSET_US:-0}"
} | sudo tee /etc/lesavka/server.env >/dev/null
echo "==> 6a. Systemd units - lesavka-core"
@ -609,6 +612,11 @@ else
fi
sudo systemctl restart lesavka-server
INSTALLED_VERSION=$(/usr/local/bin/lesavka-server --version 2>/dev/null | head -n1 || true)
INSTALLED_SHA=$(git -C "$SCRIPT_REPO_ROOT" rev-parse --short HEAD 2>/dev/null || true)
echo "✅ lesavka-server installed and restarted..."
if [[ -n $INSTALLED_VERSION || -n $INSTALLED_SHA ]]; then
echo "➡️ Installed: ${INSTALLED_VERSION:-lesavka-server}${INSTALLED_SHA:+ ($INSTALLED_SHA)}"
fi
echo "➡️ Status: sudo systemctl status lesavka-server --no-pager"
echo "➡️ Logs: sudo journalctl -u lesavka-server -f --no-pager"

26
server/src/main/relay_service.rs
View File

@ -158,7 +158,18 @@ impl Relay for Handler {
let Some(mut pkt) = next_packet.transpose()? else {
break;
};
pkt.pts = upstream_media_rt.map_audio_pts(pkt.pts);
let plan = upstream_media_rt.plan_audio_pts(pkt.pts);
if plan.late_by > Duration::from_millis(20) {
tracing::warn!(
rpc_id,
session_id = lease.session_id,
late_by_ms = plan.late_by.as_millis(),
pts = plan.local_pts_us,
"🎤 upstream audio packet missed its planned playout deadline"
);
}
tokio::time::sleep_until(plan.due_at).await;
pkt.pts = plan.local_pts_us;
let n = CNT.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
if n < 5 || n.is_multiple_of(3_000) {
tracing::info!(rpc_id, "🎤⬇ srv pkt#{n} {} bytes", pkt.data.len());
@ -219,7 +230,18 @@ impl Relay for Handler {
let Some(mut pkt) = next_packet.transpose()? else {
break;
};
pkt.pts = upstream_media_rt.map_video_pts(pkt.pts, frame_step_us);
let plan = upstream_media_rt.plan_video_pts(pkt.pts, frame_step_us);
if plan.late_by > Duration::from_millis(20) {
tracing::warn!(
rpc_id,
session_id,
late_by_ms = plan.late_by.as_millis(),
pts = plan.local_pts_us,
"🎥 upstream video packet missed its planned playout deadline"
);
}
tokio::time::sleep_until(plan.due_at).await;
pkt.pts = plan.local_pts_us;
relay.feed(pkt); // ← all logging inside video.rs
}
upstream_media_rt.close_camera(upstream_lease.generation);

8
server/src/main/relay_service_coverage.rs
View File

@ -89,7 +89,9 @@ impl Relay for Handler {
let Some(mut pkt) = next_packet.transpose()? else {
break;
};
pkt.pts = upstream_media_rt.map_audio_pts(pkt.pts);
let plan = upstream_media_rt.plan_audio_pts(pkt.pts);
tokio::time::sleep_until(plan.due_at).await;
pkt.pts = plan.local_pts_us;
sink.push(&pkt);
}
sink.finish();
@ -128,7 +130,9 @@ impl Relay for Handler {
let Some(mut pkt) = next_packet.transpose()? else {
break;
};
pkt.pts = upstream_media_rt.map_video_pts(pkt.pts, frame_step_us);
let plan = upstream_media_rt.plan_video_pts(pkt.pts, frame_step_us);
tokio::time::sleep_until(plan.due_at).await;
pkt.pts = plan.local_pts_us;
relay.feed(pkt);
}
upstream_media_rt.close_camera(upstream_lease.generation);

256
server/src/upstream_media_runtime.rs
View File

@ -2,7 +2,9 @@
use std::sync::atomic::{AtomicU64, Ordering};
use std::sync::{Arc, Mutex};
use std::time::Duration;
use tokio::sync::{OwnedSemaphorePermit, Semaphore};
use tokio::time::Instant;
use tracing::info;
/// Logical upstream media kinds that share one live-call session timeline.
@ -23,6 +25,17 @@ pub struct UpstreamStreamLease {
pub generation: u64,
}
/// One rebased upstream packet plus its planned server playout time.
#[derive(Clone, Copy, Debug)]
pub struct PlannedUpstreamPacket {
/// Session-local packet timestamp after rebase onto the shared server clock.
pub local_pts_us: u64,
/// Wall-clock deadline when the server should present this packet.
pub due_at: Instant,
/// How late the packet already is when planned, if any.
pub late_by: Duration,
}
#[derive(Debug, Default)]
struct UpstreamClockState {
session_id: u64,
@ -35,6 +48,7 @@ struct UpstreamClockState {
camera_packet_count: u64,
microphone_packet_count: u64,
startup_anchor_logged: bool,
playout_epoch: Option<Instant>,
}
fn upstream_timing_trace_enabled() -> bool {
@ -50,6 +64,34 @@ fn upstream_timing_trace_enabled() -> bool {
.unwrap_or(false)
}
fn upstream_playout_delay() -> Duration {
let delay_ms = std::env::var("LESAVKA_UPSTREAM_PLAYOUT_DELAY_MS")
.ok()
.and_then(|value| value.trim().parse::<u64>().ok())
.unwrap_or(1_000);
Duration::from_millis(delay_ms)
}
fn upstream_playout_offset_us(kind: UpstreamMediaKind) -> i64 {
let name = match kind {
UpstreamMediaKind::Camera => "LESAVKA_UPSTREAM_VIDEO_PLAYOUT_OFFSET_US",
UpstreamMediaKind::Microphone => "LESAVKA_UPSTREAM_AUDIO_PLAYOUT_OFFSET_US",
};
std::env::var(name)
.ok()
.and_then(|value| value.trim().parse::<i64>().ok())
.unwrap_or(0)
}
fn apply_playout_offset(base: Instant, offset_us: i64) -> Instant {
if offset_us >= 0 {
base + Duration::from_micros(offset_us as u64)
} else {
base.checked_sub(Duration::from_micros(offset_us.unsigned_abs()))
.unwrap_or(base)
}
}
/// Coordinate upstream stream ownership and keep audio/video on one timeline.
///
/// Inputs: stream-open/close events plus remote packet timestamps.
@ -136,6 +178,7 @@ impl UpstreamMediaRuntime {
state.camera_packet_count = 0;
state.microphone_packet_count = 0;
state.startup_anchor_logged = false;
state.playout_epoch = None;
}
match kind {
UpstreamMediaKind::Camera => state.active_camera_generation = Some(generation),
@ -205,26 +248,45 @@ impl UpstreamMediaRuntime {
state.camera_packet_count = 0;
state.microphone_packet_count = 0;
state.startup_anchor_logged = false;
state.playout_epoch = None;
}
}
/// Rebase one upstream video packet timestamp onto the shared session clock.
#[must_use]
pub fn map_video_pts(&self, remote_pts_us: u64, frame_step_us: u64) -> u64 {
self.map_pts(
self.plan_video_pts(remote_pts_us, frame_step_us.max(1))
.local_pts_us
}
/// Rebase one upstream audio packet timestamp onto the shared session clock.
#[must_use]
pub fn map_audio_pts(&self, remote_pts_us: u64) -> u64 {
self.plan_audio_pts(remote_pts_us).local_pts_us
}
/// Rebase and schedule one upstream video packet on the shared playout epoch.
#[must_use]
pub fn plan_video_pts(&self, remote_pts_us: u64, frame_step_us: u64) -> PlannedUpstreamPacket {
self.plan_pts(
UpstreamMediaKind::Camera,
remote_pts_us,
frame_step_us.max(1),
)
}
/// Rebase one upstream audio packet timestamp onto the shared session clock.
/// Rebase and schedule one upstream audio packet on the shared playout epoch.
#[must_use]
pub fn map_audio_pts(&self, remote_pts_us: u64) -> u64 {
self.map_pts(UpstreamMediaKind::Microphone, remote_pts_us, 1)
pub fn plan_audio_pts(&self, remote_pts_us: u64) -> PlannedUpstreamPacket {
self.plan_pts(UpstreamMediaKind::Microphone, remote_pts_us, 1)
}
fn map_pts(&self, kind: UpstreamMediaKind, remote_pts_us: u64, min_step_us: u64) -> u64 {
fn plan_pts(
&self,
kind: UpstreamMediaKind,
remote_pts_us: u64,
min_step_us: u64,
) -> PlannedUpstreamPacket {
let mut state = self
.state
.lock()
@ -274,10 +336,20 @@ impl UpstreamMediaRuntime {
local_pts_us = last_pts_us.saturating_add(min_step_us.max(1));
}
*last_slot = Some(local_pts_us);
let now = Instant::now();
let epoch = *state
.playout_epoch
.get_or_insert_with(|| now + upstream_playout_delay());
let sink_offset_us = upstream_playout_offset_us(kind);
let due_at =
apply_playout_offset(epoch + Duration::from_micros(local_pts_us), sink_offset_us);
let late_by = now.checked_duration_since(due_at).unwrap_or_default();
if upstream_timing_trace_enabled()
&& (packet_count <= 10 || packet_count.is_multiple_of(300))
{
let remote_elapsed_us = remote_pts_us.saturating_sub(first_remote_for_kind);
let playout_delay_us = epoch.saturating_duration_since(now).as_micros();
let late_by_us = late_by.as_micros();
info!(
session_id,
?kind,
@ -286,175 +358,19 @@ impl UpstreamMediaRuntime {
first_remote_for_kind,
remote_elapsed_us,
local_pts_us,
playout_delay_us,
sink_offset_us,
late_by_us,
"upstream media rebase sample"
);
}
local_pts_us
PlannedUpstreamPacket {
local_pts_us,
due_at,
late_by,
}
}
}
#[cfg(test)]
mod tests {
use super::{UpstreamMediaKind, UpstreamMediaRuntime};
use std::sync::Arc;
use std::time::Duration;
#[test]
fn first_stream_starts_a_new_shared_session() {
let runtime = UpstreamMediaRuntime::new();
let camera = runtime.activate_camera();
let microphone = runtime.activate_microphone();
assert_eq!(camera.session_id, 1);
assert_eq!(microphone.session_id, 1);
assert!(runtime.is_camera_active(camera.generation));
assert!(runtime.is_microphone_active(microphone.generation));
}
#[test]
fn replacing_one_kind_keeps_the_session_but_preempts_the_old_owner() {
let runtime = UpstreamMediaRuntime::new();
let first = runtime.activate_microphone();
let second = runtime.activate_microphone();
assert_eq!(first.session_id, second.session_id);
assert!(!runtime.is_microphone_active(first.generation));
assert!(runtime.is_microphone_active(second.generation));
}
#[test]
fn closing_the_last_stream_resets_the_next_session_anchor() {
let runtime = UpstreamMediaRuntime::new();
let camera = runtime.activate_camera();
let microphone = runtime.activate_microphone();
runtime.close_camera(camera.generation);
runtime.close_microphone(microphone.generation);
let next = runtime.activate_camera();
assert_eq!(next.session_id, 2);
}
#[test]
fn shared_clock_rebases_audio_and_video_against_the_same_origin() {
let runtime = UpstreamMediaRuntime::new();
let _camera = runtime.activate_camera();
let _microphone = runtime.activate_microphone();
let video_first = runtime.map_video_pts(1_000_000, 16_666);
let audio_first = runtime.map_audio_pts(1_000_000);
let audio_next = runtime.map_audio_pts(1_010_000);
let video_next = runtime.map_video_pts(1_033_333, 16_666);
assert_eq!(video_first, 0);
assert_eq!(audio_first, 0);
assert_eq!(audio_next, 10_000);
assert_eq!(video_next, 33_333);
}
#[test]
fn per_kind_session_bases_cancel_constant_startup_path_offsets() {
let runtime = UpstreamMediaRuntime::new();
let _camera = runtime.activate_camera();
let _microphone = runtime.activate_microphone();
let audio_first = runtime.map_audio_pts(1_000_000);
let video_first = runtime.map_video_pts(1_300_000, 16_666);
let audio_next = runtime.map_audio_pts(1_010_000);
let video_next = runtime.map_video_pts(1_333_333, 16_666);
assert_eq!(audio_first, 0);
assert_eq!(video_first, 0);
assert_eq!(audio_next, 10_000);
assert_eq!(video_next, 33_333);
}
#[test]
fn shared_clock_keeps_each_kind_monotonic_when_remote_pts_repeat() {
let runtime = UpstreamMediaRuntime::new();
let _camera = runtime.activate_camera();
let first = runtime.map_video_pts(50_000, 16_666);
let repeated = runtime.map_video_pts(50_000, 16_666);
assert_eq!(first, 0);
assert_eq!(repeated, 16_666);
}
#[test]
fn close_ignores_superseded_generation_values() {
let runtime = UpstreamMediaRuntime::new();
let first = runtime.activate_camera();
let second = runtime.activate_camera();
runtime.close_camera(first.generation);
assert!(runtime.is_camera_active(second.generation));
runtime.close(UpstreamMediaKind::Camera, second.generation);
let next = runtime.activate_camera();
assert_eq!(next.session_id, 2);
}
#[tokio::test(flavor = "current_thread")]
async fn new_microphone_owner_waits_for_the_previous_sink_to_release() {
let runtime = Arc::new(UpstreamMediaRuntime::new());
let first = runtime.activate_microphone();
let first_permit = runtime
.reserve_microphone_sink(first.generation)
.await
.expect("first owner should acquire the sink gate");
let second = runtime.activate_microphone();
let waiter = tokio::spawn({
let runtime = runtime.clone();
async move {
runtime
.reserve_microphone_sink(second.generation)
.await
.is_some()
}
});
tokio::time::sleep(Duration::from_millis(25)).await;
assert!(!waiter.is_finished());
drop(first_permit);
assert!(waiter.await.expect("waiter task should finish"));
}
#[tokio::test(flavor = "current_thread")]
async fn superseded_microphone_waiter_stands_down_before_opening_a_sink() {
let runtime = Arc::new(UpstreamMediaRuntime::new());
let first = runtime.activate_microphone();
let first_permit = runtime
.reserve_microphone_sink(first.generation)
.await
.expect("first owner should acquire the sink gate");
let second = runtime.activate_microphone();
let superseded_waiter = tokio::spawn({
let runtime = runtime.clone();
async move {
runtime
.reserve_microphone_sink(second.generation)
.await
.is_some()
}
});
tokio::time::sleep(Duration::from_millis(25)).await;
let third = runtime.activate_microphone();
drop(first_permit);
assert!(
!superseded_waiter
.await
.expect("superseded waiter task should finish"),
"older waiter should stand down instead of opening a sink after supersession"
);
let third_permit = runtime
.reserve_microphone_sink(third.generation)
.await
.expect("latest owner should acquire the sink gate");
drop(third_permit);
}
}
mod tests;

267
server/src/upstream_media_runtime/tests.rs Normal file
View File

@ -0,0 +1,267 @@
use super::{UpstreamMediaKind, UpstreamMediaRuntime};
use std::sync::Arc;
use std::time::Duration;
#[test]
fn first_stream_starts_a_new_shared_session() {
let runtime = UpstreamMediaRuntime::new();
let camera = runtime.activate_camera();
let microphone = runtime.activate_microphone();
assert_eq!(camera.session_id, 1);
assert_eq!(microphone.session_id, 1);
assert!(runtime.is_camera_active(camera.generation));
assert!(runtime.is_microphone_active(microphone.generation));
}
#[test]
fn replacing_one_kind_keeps_the_session_but_preempts_the_old_owner() {
let runtime = UpstreamMediaRuntime::new();
let first = runtime.activate_microphone();
let second = runtime.activate_microphone();
assert_eq!(first.session_id, second.session_id);
assert!(!runtime.is_microphone_active(first.generation));
assert!(runtime.is_microphone_active(second.generation));
}
#[test]
fn closing_the_last_stream_resets_the_next_session_anchor() {
let runtime = UpstreamMediaRuntime::new();
let camera = runtime.activate_camera();
let microphone = runtime.activate_microphone();
runtime.close_camera(camera.generation);
runtime.close_microphone(microphone.generation);
let next = runtime.activate_camera();
assert_eq!(next.session_id, 2);
}
#[test]
fn shared_clock_rebases_audio_and_video_against_the_same_origin() {
let runtime = UpstreamMediaRuntime::new();
let _camera = runtime.activate_camera();
let _microphone = runtime.activate_microphone();
let video_first = runtime.map_video_pts(1_000_000, 16_666);
let audio_first = runtime.map_audio_pts(1_000_000);
let audio_next = runtime.map_audio_pts(1_010_000);
let video_next = runtime.map_video_pts(1_033_333, 16_666);
assert_eq!(video_first, 0);
assert_eq!(audio_first, 0);
assert_eq!(audio_next, 10_000);
assert_eq!(video_next, 33_333);
}
#[test]
fn per_kind_session_bases_cancel_constant_startup_path_offsets() {
let runtime = UpstreamMediaRuntime::new();
let _camera = runtime.activate_camera();
let _microphone = runtime.activate_microphone();
let audio_first = runtime.map_audio_pts(1_000_000);
let video_first = runtime.map_video_pts(1_300_000, 16_666);
let audio_next = runtime.map_audio_pts(1_010_000);
let video_next = runtime.map_video_pts(1_333_333, 16_666);
assert_eq!(audio_first, 0);
assert_eq!(video_first, 0);
assert_eq!(audio_next, 10_000);
assert_eq!(video_next, 33_333);
}
#[test]
fn shared_clock_keeps_each_kind_monotonic_when_remote_pts_repeat() {
let runtime = UpstreamMediaRuntime::new();
let _camera = runtime.activate_camera();
let first = runtime.map_video_pts(50_000, 16_666);
let repeated = runtime.map_video_pts(50_000, 16_666);
assert_eq!(first, 0);
assert_eq!(repeated, 16_666);
}
#[test]
fn close_ignores_superseded_generation_values() {
let runtime = UpstreamMediaRuntime::new();
let first = runtime.activate_camera();
let second = runtime.activate_camera();
runtime.close_camera(first.generation);
assert!(runtime.is_camera_active(second.generation));
runtime.close(super::UpstreamMediaKind::Camera, second.generation);
let next = runtime.activate_camera();
assert_eq!(next.session_id, 2);
}
#[test]
fn upstream_playout_delay_defaults_to_one_second_and_accepts_overrides() {
temp_env::with_var_unset("LESAVKA_UPSTREAM_PLAYOUT_DELAY_MS", || {
assert_eq!(super::upstream_playout_delay(), Duration::from_secs(1));
});
temp_env::with_var("LESAVKA_UPSTREAM_PLAYOUT_DELAY_MS", Some("250"), || {
assert_eq!(super::upstream_playout_delay(), Duration::from_millis(250));
});
}
#[test]
fn upstream_playout_offsets_default_to_zero_and_accept_overrides() {
temp_env::with_var_unset("LESAVKA_UPSTREAM_AUDIO_PLAYOUT_OFFSET_US", || {
temp_env::with_var_unset("LESAVKA_UPSTREAM_VIDEO_PLAYOUT_OFFSET_US", || {
assert_eq!(
super::upstream_playout_offset_us(UpstreamMediaKind::Microphone),
0
);
assert_eq!(
super::upstream_playout_offset_us(UpstreamMediaKind::Camera),
0
);
});
});
temp_env::with_var(
"LESAVKA_UPSTREAM_AUDIO_PLAYOUT_OFFSET_US",
Some("-20000"),
|| {
temp_env::with_var(
"LESAVKA_UPSTREAM_VIDEO_PLAYOUT_OFFSET_US",
Some("35000"),
|| {
assert_eq!(
super::upstream_playout_offset_us(UpstreamMediaKind::Microphone),
-20_000
);
assert_eq!(
super::upstream_playout_offset_us(UpstreamMediaKind::Camera),
35_000
);
},
);
},
);
}
#[test]
fn upstream_timing_trace_flag_accepts_false_values() {
temp_env::with_var("LESAVKA_UPSTREAM_TIMING_TRACE", Some("off"), || {
assert!(!super::upstream_timing_trace_enabled());
});
temp_env::with_var("LESAVKA_UPSTREAM_TIMING_TRACE", Some("false"), || {
assert!(!super::upstream_timing_trace_enabled());
});
temp_env::with_var("LESAVKA_UPSTREAM_TIMING_TRACE", Some("1"), || {
assert!(super::upstream_timing_trace_enabled());
});
}
#[test]
fn apply_playout_offset_supports_negative_offsets() {
let base = tokio::time::Instant::now() + Duration::from_millis(50);
let shifted = super::apply_playout_offset(base, -20_000);
let delta = base.saturating_duration_since(shifted);
assert_eq!(delta, Duration::from_micros(20_000));
}
#[test]
fn shared_playout_epoch_is_reused_across_audio_and_video() {
let runtime = UpstreamMediaRuntime::new();
let _camera = runtime.activate_camera();
let _microphone = runtime.activate_microphone();
let video_first = runtime.plan_video_pts(1_000_000, 16_666);
let audio_first = runtime.plan_audio_pts(1_000_000);
let audio_next = runtime.plan_audio_pts(1_010_000);
assert_eq!(video_first.local_pts_us, 0);
assert_eq!(audio_first.local_pts_us, 0);
assert_eq!(video_first.due_at, audio_first.due_at);
assert_eq!(
audio_next
.due_at
.saturating_duration_since(audio_first.due_at),
Duration::from_micros(10_000)
);
}
#[test]
fn shared_playout_trace_path_keeps_planned_pts_stable() {
temp_env::with_var("LESAVKA_UPSTREAM_TIMING_TRACE", Some("1"), || {
let runtime = UpstreamMediaRuntime::new();
let _camera = runtime.activate_camera();
let _microphone = runtime.activate_microphone();
let video = runtime.plan_video_pts(1_000_000, 16_666);
let audio = runtime.plan_audio_pts(1_000_000);
assert_eq!(video.local_pts_us, 0);
assert_eq!(audio.local_pts_us, 0);
});
}
#[tokio::test(flavor = "current_thread")]
async fn new_microphone_owner_waits_for_the_previous_sink_to_release() {
let runtime = Arc::new(UpstreamMediaRuntime::new());
let first = runtime.activate_microphone();
let first_permit = runtime
.reserve_microphone_sink(first.generation)
.await
.expect("first owner should acquire the sink gate");
let second = runtime.activate_microphone();
let waiter = tokio::spawn({
let runtime = runtime.clone();
async move {
runtime
.reserve_microphone_sink(second.generation)
.await
.is_some()
}
});
tokio::time::sleep(Duration::from_millis(25)).await;
assert!(!waiter.is_finished());
drop(first_permit);
assert!(waiter.await.expect("waiter task should finish"));
}
#[tokio::test(flavor = "current_thread")]
async fn superseded_microphone_waiter_stands_down_before_opening_a_sink() {
let runtime = Arc::new(UpstreamMediaRuntime::new());
let first = runtime.activate_microphone();
let first_permit = runtime
.reserve_microphone_sink(first.generation)
.await
.expect("first owner should acquire the sink gate");
let second = runtime.activate_microphone();
let superseded_waiter = tokio::spawn({
let runtime = runtime.clone();
async move {
runtime
.reserve_microphone_sink(second.generation)
.await
.is_some()
}
});
tokio::time::sleep(Duration::from_millis(25)).await;
let third = runtime.activate_microphone();
drop(first_permit);
assert!(
!superseded_waiter
.await
.expect("superseded waiter task should finish"),
"older waiter should stand down instead of opening a sink after supersession"
);
let third_permit = runtime
.reserve_microphone_sink(third.generation)
.await
.expect("latest owner should acquire the sink gate");
drop(third_permit);
}

27
testing/tests/client_camera_include_contract.rs
View File

@ -5,6 +5,11 @@
//! Targets: `client/src/input/camera.rs`.
//! Why: camera startup should remain robust across codec/env permutations.
#[allow(warnings)]
mod live_capture_clock {
include!("support/live_capture_clock_shim.rs");
}
#[allow(warnings)]
mod camera_include_contract {
include!(env!("LESAVKA_CLIENT_CAMERA_SRC"));
@ -417,4 +422,26 @@ mod camera_include_contract {
}
}
}
#[test]
fn camera_timing_helpers_cover_first_packet_and_trace_enabled_paths() {
log_camera_first_packet(0, 128, 42_000);
assert!(!should_log_camera_timing_sample(11));
with_var("LESAVKA_UPSTREAM_TIMING_TRACE", Some("1"), || {
assert!(should_log_camera_timing_sample(0));
log_camera_timing_sample(
0,
crate::live_capture_clock::RebasedSourcePts {
packet_pts_us: 12_345,
capture_now_us: 12_999,
source_pts_us: Some(5_000),
source_base_us: Some(5_000),
capture_base_us: Some(7_345),
used_source_pts: true,
},
256,
);
});
}
}

7
testing/tests/client_microphone_include_contract.rs
View File

@ -5,6 +5,11 @@
//! Targets: `client/src/input/microphone.rs`.
//! Why: source selection regressions should be caught with deterministic tests.
#[allow(warnings)]
mod live_capture_clock {
include!("support/live_capture_clock_shim.rs");
}
#[allow(warnings)]
mod microphone_include_contract {
include!(env!("LESAVKA_CLIENT_MICROPHONE_SRC"));
@ -302,6 +307,7 @@ JSON
pipeline: gst::Pipeline::new(),
sink,
level_tap_running: Some(std::sync::Arc::clone(&running)),
pts_rebaser: crate::live_capture_clock::SourcePtsRebaser::default(),
};
assert!(
cap.pull().is_none(),
@ -424,6 +430,7 @@ JSON
pipeline,
sink,
level_tap_running: None,
pts_rebaser: crate::live_capture_clock::SourcePtsRebaser::default(),
};
let first_pkt = cap.pull().expect("first audio packet");
let second_pkt = cap.pull().expect("second audio packet");

5
testing/tests/client_microphone_source_contract.rs
View File

@ -6,6 +6,11 @@
//! Why: launcher-selected Pulse source names must not regress to PipeWire
//! negotiation when the catalog already provides a concrete Pulse device name.
#[allow(warnings)]
mod live_capture_clock {
include!("support/live_capture_clock_shim.rs");
}
#[allow(warnings)]
mod microphone_source_contract {
include!(env!("LESAVKA_CLIENT_MICROPHONE_SRC"));

5
testing/tests/client_microphone_startup_contract.rs
View File

@ -6,6 +6,11 @@
//! Why: startup failures should move the pipeline back to NULL before the
//! capture object returns an error.
#[allow(warnings)]
mod live_capture_clock {
include!("support/live_capture_clock_shim.rs");
}
#[allow(warnings)]
mod microphone_startup_contract {
include!(env!("LESAVKA_CLIENT_MICROPHONE_SRC"));

5
testing/tests/client_microphone_tap_contract.rs
View File

@ -6,6 +6,11 @@
//! Why: the local launcher tap should stay best-effort and never destabilize
//! microphone uplink startup.
#[allow(warnings)]
mod live_capture_clock {
include!("support/live_capture_clock_shim.rs");
}
#[allow(warnings)]
mod microphone_tap_contract {
include!(env!("LESAVKA_CLIENT_MICROPHONE_SRC"));

20
testing/tests/server_install_script_contract.rs
View File

@ -18,6 +18,9 @@ fn server_install_pins_hdmi_camera_and_display_defaults() {
"LESAVKA_HDMI_HEIGHT=%s",
"LESAVKA_HDMI_SINK=%s",
"LESAVKA_HDMI_FBDEV=%s",
"LESAVKA_UPSTREAM_PLAYOUT_DELAY_MS=%s",
"LESAVKA_UPSTREAM_AUDIO_PLAYOUT_OFFSET_US=%s",
"LESAVKA_UPSTREAM_VIDEO_PLAYOUT_OFFSET_US=%s",
] {
assert!(
SERVER_INSTALL.contains(expected),
@ -30,6 +33,23 @@ fn server_install_pins_hdmi_camera_and_display_defaults() {
assert!(SERVER_INSTALL.contains("${LESAVKA_HDMI_WIDTH:-1920}"));
assert!(SERVER_INSTALL.contains("${LESAVKA_HDMI_HEIGHT:-1080}"));
assert!(SERVER_INSTALL.contains("${LESAVKA_HDMI_SINK:-fbdevsink}"));
assert!(SERVER_INSTALL.contains("${LESAVKA_UPSTREAM_PLAYOUT_DELAY_MS:-1000}"));
}
#[test]
fn server_install_reports_installed_version_and_revision() {
assert!(
SERVER_INSTALL.contains("Installed:"),
"install script should print the installed build identity at the end"
);
assert!(
SERVER_INSTALL.contains("lesavka-server --version"),
"install script should query the installed binary version"
);
assert!(
SERVER_INSTALL.contains("git -C \"$SCRIPT_REPO_ROOT\" rev-parse --short HEAD"),
"install script should print the installed git revision for operator clarity"
);
}
#[test]

17
testing/tests/server_upstream_media_contract.rs
View File

@ -94,6 +94,7 @@ mod server_upstream_media {
fn stream_microphone_accepts_upstream_audio_packets() {
let rt = tokio::runtime::Runtime::new().expect("runtime");
with_var("LESAVKA_CAPTURE_POWER_UNIT", Some("none"), || {
with_var("LESAVKA_UPSTREAM_PLAYOUT_DELAY_MS", Some("0"), || {
rt.block_on(async {
let (_dir, handler) = build_handler_for_tests();
let (server, mut cli) = serve_handler(handler).await;
@ -126,6 +127,7 @@ mod server_upstream_media {
server.abort();
});
});
});
}
#[test]
@ -133,6 +135,7 @@ mod server_upstream_media {
fn stream_microphone_supersedes_the_previous_owner_cleanly() {
let rt = tokio::runtime::Runtime::new().expect("runtime");
with_var("LESAVKA_CAPTURE_POWER_UNIT", Some("none"), || {
with_var("LESAVKA_UPSTREAM_PLAYOUT_DELAY_MS", Some("0"), || {
rt.block_on(async {
let (_dir, handler) = build_handler_for_tests();
let (server, mut cli) = serve_handler(handler).await;
@ -155,7 +158,8 @@ mod server_upstream_media {
.expect("second microphone stream supersedes first");
drop(first_tx);
let ack = tokio::time::timeout(std::time::Duration::from_secs(1), first.message())
let ack =
tokio::time::timeout(std::time::Duration::from_secs(1), first.message())
.await
.expect("superseded microphone ack timeout")
.expect("superseded microphone ack grpc")
@ -165,6 +169,7 @@ mod server_upstream_media {
server.abort();
});
});
});
}
#[test]
@ -198,6 +203,7 @@ mod server_upstream_media {
let rt = tokio::runtime::Runtime::new().expect("runtime");
with_var("LESAVKA_CAPTURE_POWER_UNIT", Some("none"), || {
with_var("LESAVKA_DISABLE_UVC", None::<&str>, || {
with_var("LESAVKA_UPSTREAM_PLAYOUT_DELAY_MS", Some("0"), || {
rt.block_on(async {
let (_dir, handler) = build_handler_for_tests();
let (server, mut cli) = serve_handler(handler).await;
@ -232,6 +238,7 @@ mod server_upstream_media {
});
});
});
});
}
#[test]
@ -240,6 +247,7 @@ mod server_upstream_media {
let rt = tokio::runtime::Runtime::new().expect("runtime");
with_var("LESAVKA_CAPTURE_POWER_UNIT", Some("none"), || {
with_var("LESAVKA_DISABLE_UVC", None::<&str>, || {
with_var("LESAVKA_UPSTREAM_PLAYOUT_DELAY_MS", Some("0"), || {
rt.block_on(async {
let (_dir, handler) = build_handler_for_tests();
let (server, mut cli) = serve_handler(handler).await;
@ -272,8 +280,10 @@ mod server_upstream_media {
.expect("send packet to first stream");
drop(first_tx);
let ack =
tokio::time::timeout(std::time::Duration::from_secs(1), first.message())
let ack = tokio::time::timeout(
std::time::Duration::from_secs(1),
first.message(),
)
.await
.expect("superseded camera ack timeout")
.expect("superseded camera ack grpc")
@ -285,5 +295,6 @@ mod server_upstream_media {
});
});
});
});
}
}

82
testing/tests/support/live_capture_clock_shim.rs Normal file
View File

@ -0,0 +1,82 @@
use std::sync::{Mutex, OnceLock};
use std::time::{Duration, Instant};
fn capture_clock_origin() -> &'static Instant {
static ORIGIN: OnceLock<Instant> = OnceLock::new();
ORIGIN.get_or_init(Instant::now)
}
pub fn capture_pts_us() -> u64 {
capture_clock_origin().elapsed().as_micros() as u64
}
pub fn upstream_timing_trace_enabled() -> bool {
std::env::var("LESAVKA_UPSTREAM_TIMING_TRACE")
.ok()
.map(|value| {
let trimmed = value.trim();
!(trimmed.eq_ignore_ascii_case("0")
|| trimmed.eq_ignore_ascii_case("false")
|| trimmed.eq_ignore_ascii_case("no")
|| trimmed.eq_ignore_ascii_case("off"))
})
.unwrap_or(false)
}
#[derive(Clone, Copy, Debug, Default, Eq, PartialEq)]
pub struct RebasedSourcePts {
pub packet_pts_us: u64,
pub capture_now_us: u64,
pub source_pts_us: Option<u64>,
pub source_base_us: Option<u64>,
pub capture_base_us: Option<u64>,
pub used_source_pts: bool,
}
#[derive(Debug, Default)]
struct SourcePtsRebaserState {
source_base_us: Option<u64>,
capture_base_us: Option<u64>,
last_packet_pts_us: Option<u64>,
}
#[derive(Debug, Default)]
pub struct SourcePtsRebaser {
state: Mutex<SourcePtsRebaserState>,
}
impl SourcePtsRebaser {
pub fn rebase_or_now(&self, source_pts_us: Option<u64>, min_step_us: u64) -> RebasedSourcePts {
let capture_now_us = capture_pts_us();
let mut state = self
.state
.lock()
.expect("source pts rebaser mutex poisoned");
let mut packet_pts_us = capture_now_us;
let mut used_source_pts = false;
if let Some(source_pts_us) = source_pts_us {
let source_base_us = *state.source_base_us.get_or_insert(source_pts_us);
let capture_base_us = *state.capture_base_us.get_or_insert(capture_now_us);
packet_pts_us =
capture_base_us.saturating_add(source_pts_us.saturating_sub(source_base_us));
used_source_pts = true;
}
if let Some(last_packet_pts_us) = state.last_packet_pts_us
&& packet_pts_us <= last_packet_pts_us
{
packet_pts_us = last_packet_pts_us.saturating_add(min_step_us.max(1));
}
state.last_packet_pts_us = Some(packet_pts_us);
RebasedSourcePts {
packet_pts_us,
capture_now_us,
source_pts_us,
source_base_us: state.source_base_us,
capture_base_us: state.capture_base_us,
used_source_pts,
}
}
}