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feat: correlate output delay drift

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This commit is contained in:
Brad Stein 2026-05-03 14:45:16 -03:00
parent e4c66b8516
commit c02241cd9a
12 changed files with 453 additions and 18 deletions
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2
AGENTS.md
View File

@ -142,6 +142,8 @@ Context: Google Meet testing on 2026-04-30 showed audio roughly 8 seconds behind
- [x] `report.json`
- [x] `report.txt`
- [x] per-event rows with event id, video time, audio time, skew, and confidence
- [x] server-output timeline and correlation artifacts that separate Theia
feed timing from Tethys-observed UVC/UAC skew
- [x] pass/fail verdict using preferred/acceptable/catastrophic thresholds
- [x] Add a deterministic server-output sync beacon source:
- [x] video flash pattern with event identity or cadence

8
Cargo.lock generated
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@ -1652,7 +1652,7 @@ checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
[[package]]
name = "lesavka_client"
version = "0.19.2"
version = "0.19.3"
dependencies = [
"anyhow",
"async-stream",
@ -1686,7 +1686,7 @@ dependencies = [
[[package]]
name = "lesavka_common"
version = "0.19.2"
version = "0.19.3"
dependencies = [
"anyhow",
"base64",
@ -1698,7 +1698,7 @@ dependencies = [
[[package]]
name = "lesavka_server"
version = "0.19.2"
version = "0.19.3"
dependencies = [
"anyhow",
"base64",
@ -1712,6 +1712,8 @@ dependencies = [
"libc",
"prost-build",
"prost-types",
"serde",
"serde_json",
"serial_test",
"temp-env",
"tempfile",

2
client/Cargo.toml
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@ -4,7 +4,7 @@ path = "src/main.rs"
[package]
name = "lesavka_client"
version = "0.19.2"
version = "0.19.3"
edition = "2024"
[dependencies]

3
client/src/bin/lesavka-relayctl.rs
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@ -612,6 +612,9 @@ async fn main() -> Result<()> {
{
println!("ok={}", reply.ok);
println!("detail={}", reply.detail);
if !reply.server_timeline_json.trim().is_empty() {
println!("server_timeline_json={}", reply.server_timeline_json);
}
}
return Ok(());
}

2
common/Cargo.toml
View File

@ -1,6 +1,6 @@
[package]
name = "lesavka_common"
version = "0.19.2"
version = "0.19.3"
edition = "2024"
build = "build.rs"

3
common/proto/lesavka.proto
View File

@ -76,6 +76,9 @@ message OutputDelayProbeRequest {
message OutputDelayProbeReply {
bool ok = 1;
string detail = 2;
// Compact JSON timeline of when the server fed each coded signature into
// UVC/UAC. The workstation script joins this with Tethys-observed events.
string server_timeline_json = 3;
}
message ResetUsbReply { bool ok = 1; } // true = success

254
scripts/manual/run_upstream_av_sync.sh
View File

@ -69,6 +69,11 @@ LOCAL_CAPTURE="${LOCAL_REPORT_DIR}/capture.mkv"
LOCAL_ANALYSIS_JSON="${LOCAL_REPORT_DIR}/report.json"
LOCAL_REPORT_TXT="${LOCAL_REPORT_DIR}/report.txt"
LOCAL_EVENTS_CSV="${LOCAL_REPORT_DIR}/events.csv"
LOCAL_SERVER_PROBE_REPLY="${LOCAL_REPORT_DIR}/server-output-probe-reply.txt"
LOCAL_SERVER_TIMELINE_JSON="${LOCAL_REPORT_DIR}/server-output-timeline.json"
LOCAL_OUTPUT_DELAY_CORRELATION_JSON="${LOCAL_REPORT_DIR}/output-delay-correlation.json"
LOCAL_OUTPUT_DELAY_CORRELATION_CSV="${LOCAL_REPORT_DIR}/output-delay-correlation.csv"
LOCAL_OUTPUT_DELAY_CORRELATION_TXT="${LOCAL_REPORT_DIR}/output-delay-correlation.txt"
LOCAL_OUTPUT_DELAY_JSON="${LOCAL_REPORT_DIR}/output-delay-calibration.json"
LOCAL_OUTPUT_DELAY_ENV="${LOCAL_REPORT_DIR}/output-delay-calibration.env"
LOCAL_CAPTURE_LOG="${LOCAL_REPORT_DIR}/capture.log"
@ -258,6 +263,7 @@ write_output_delay_calibration() {
"${LOCAL_ANALYSIS_JSON}" \
"${LOCAL_OUTPUT_DELAY_JSON}" \
"${LOCAL_OUTPUT_DELAY_ENV}" \
"${LOCAL_OUTPUT_DELAY_CORRELATION_JSON}" \
"${LESAVKA_OUTPUT_DELAY_TARGET}" \
"${LESAVKA_OUTPUT_DELAY_MIN_PAIRS}" \
"${LESAVKA_OUTPUT_DELAY_MAX_ABS_SKEW_MS}" \
@ -276,6 +282,7 @@ import sys
report_path,
output_json_path,
output_env_path,
correlation_path,
target,
min_pairs_raw,
max_abs_skew_raw,
@ -372,6 +379,7 @@ artifact = {
"probe_media_origin": "server-generated",
"probe_media_path": "server generated signatures -> UVC/UAC sinks -> lab host capture",
"report_json": report_path,
"correlation_json": correlation_path if pathlib.Path(correlation_path).exists() else "",
"audio_after_video_positive": True,
"target": target,
"ready": ready,
@ -414,6 +422,233 @@ with pathlib.Path(output_env_path).open("w") as handle:
PY
}
extract_server_timeline() {
[[ -f "${LOCAL_SERVER_PROBE_REPLY}" ]] || return 0
python3 - <<'PY' "${LOCAL_SERVER_PROBE_REPLY}" "${LOCAL_SERVER_TIMELINE_JSON}"
import json
import pathlib
import sys
reply_path = pathlib.Path(sys.argv[1])
timeline_path = pathlib.Path(sys.argv[2])
prefix = "server_timeline_json="
raw = ""
for line in reply_path.read_text(errors="replace").splitlines():
if line.startswith(prefix):
raw = line[len(prefix):].strip()
if not raw:
raise SystemExit(0)
timeline = json.loads(raw)
timeline_path.write_text(json.dumps(timeline, indent=2, sort_keys=True) + "\n")
PY
}
write_output_delay_correlation() {
[[ -f "${LOCAL_ANALYSIS_JSON}" ]] || return 0
[[ -f "${LOCAL_SERVER_TIMELINE_JSON}" ]] || return 0
echo "==> correlating Theia feed timing with Tethys observations"
python3 - <<'PY' \
"${LOCAL_ANALYSIS_JSON}" \
"${LOCAL_SERVER_TIMELINE_JSON}" \
"${LOCAL_OUTPUT_DELAY_CORRELATION_JSON}" \
"${LOCAL_OUTPUT_DELAY_CORRELATION_CSV}" \
"${LOCAL_OUTPUT_DELAY_CORRELATION_TXT}"
import csv
import json
import math
import pathlib
import sys
report_path, timeline_path, output_json_path, output_csv_path, output_txt_path = sys.argv[1:]
report = json.loads(pathlib.Path(report_path).read_text())
timeline = json.loads(pathlib.Path(timeline_path).read_text())
server_events = {int(event["event_id"]): event for event in timeline.get("events", [])}
def finite(value):
try:
result = float(value)
except Exception:
return None
return result if math.isfinite(result) else None
def fit_linear(rows, key):
points = [(row["event_time_s"], row[key]) for row in rows if row.get(key) is not None]
if len(points) < 2:
return {
"available": False,
"intercept_ms": 0.0,
"slope_ms_per_s": 0.0,
"r2": 0.0,
"drift_ms": 0.0,
}
xs = [point[0] for point in points]
ys = [point[1] for point in points]
mean_x = sum(xs) / len(xs)
mean_y = sum(ys) / len(ys)
denom = sum((x - mean_x) ** 2 for x in xs)
slope = 0.0 if denom == 0 else sum((x - mean_x) * (y - mean_y) for x, y in points) / denom
intercept = mean_y - slope * mean_x
predicted = [intercept + slope * x for x in xs]
ss_tot = sum((y - mean_y) ** 2 for y in ys)
ss_res = sum((y - y_hat) ** 2 for y, y_hat in zip(ys, predicted))
r2 = 1.0 if ss_tot == 0.0 else max(0.0, min(1.0, 1.0 - (ss_res / ss_tot)))
drift = (intercept + slope * xs[-1]) - (intercept + slope * xs[0])
return {
"available": True,
"intercept_ms": intercept,
"slope_ms_per_s": slope,
"r2": r2,
"drift_ms": drift,
"first_fit_ms": intercept + slope * xs[0],
"last_fit_ms": intercept + slope * xs[-1],
}
def correlation(rows, left_key, right_key):
pairs = [
(row[left_key], row[right_key])
for row in rows
if row.get(left_key) is not None and row.get(right_key) is not None
]
if len(pairs) < 2:
return 0.0
xs = [pair[0] for pair in pairs]
ys = [pair[1] for pair in pairs]
mean_x = sum(xs) / len(xs)
mean_y = sum(ys) / len(ys)
denom_x = sum((x - mean_x) ** 2 for x in xs)
denom_y = sum((y - mean_y) ** 2 for y in ys)
if denom_x <= 0.0 or denom_y <= 0.0:
return 0.0
return sum((x - mean_x) * (y - mean_y) for x, y in pairs) / math.sqrt(denom_x * denom_y)
joined = []
for observed in report.get("paired_events", []):
event_id = int(observed.get("event_id", -1))
server = server_events.get(event_id)
if not server:
continue
observed_skew_ms = finite(observed.get("skew_ms"))
server_feed_delta_ms = finite(server.get("server_feed_delta_ms"))
residual_path_skew_ms = (
observed_skew_ms - server_feed_delta_ms
if observed_skew_ms is not None and server_feed_delta_ms is not None
else None
)
planned_start_us = int(server.get("planned_start_us", 0))
joined.append({
"event_id": event_id,
"code": int(server.get("code", 0)),
"event_time_s": planned_start_us / 1_000_000.0,
"planned_start_us": planned_start_us,
"planned_end_us": int(server.get("planned_end_us", 0)),
"tethys_video_time_s": finite(observed.get("video_time_s")),
"tethys_audio_time_s": finite(observed.get("audio_time_s")),
"observed_skew_ms": observed_skew_ms,
"server_video_feed_monotonic_us": server.get("video_feed_monotonic_us"),
"server_audio_push_monotonic_us": server.get("audio_push_monotonic_us"),
"server_feed_delta_ms": server_feed_delta_ms,
"residual_path_skew_ms": residual_path_skew_ms,
"confidence": finite(observed.get("confidence")),
})
first_event_time_s = joined[0]["event_time_s"] if joined else 0.0
for row in joined:
row["relative_event_time_s"] = row["event_time_s"] - first_event_time_s
row["event_time_s"] = row["relative_event_time_s"]
observed_model = fit_linear(joined, "observed_skew_ms")
server_model = fit_linear(joined, "server_feed_delta_ms")
residual_model = fit_linear(joined, "residual_path_skew_ms")
server_observed_correlation = correlation(joined, "server_feed_delta_ms", "observed_skew_ms")
observed_drift = observed_model.get("drift_ms", 0.0)
server_drift = server_model.get("drift_ms", 0.0)
residual_drift = residual_model.get("drift_ms", 0.0)
same_direction = observed_drift == 0.0 or (observed_drift > 0) == (server_drift > 0)
server_share = 0.0 if abs(observed_drift) < 1e-6 else abs(server_drift) / abs(observed_drift)
if same_direction and server_share >= 0.5 and abs(server_drift) >= 20.0:
dominant_layer = "server_feed_timing"
else:
dominant_layer = "post_server_output_or_tethys_capture"
correction_mode = (
"linear_function_candidate"
if abs(residual_drift) >= 20.0
else "scalar_candidate"
)
artifact = {
"schema": "lesavka.output-delay-correlation.v1",
"report_json": report_path,
"server_timeline_json": timeline_path,
"joined_event_count": len(joined),
"audio_after_video_positive": True,
"observed_skew_model": observed_model,
"server_feed_delta_model": server_model,
"residual_path_skew_model": residual_model,
"server_observed_correlation": server_observed_correlation,
"server_drift_share_of_observed": server_share,
"dominant_layer": dominant_layer,
"correction_mode": correction_mode,
"video_delay_function_candidate": {
"units": "microseconds",
"end_to_end": {
"intercept_us": round(observed_model.get("intercept_ms", 0.0) * 1000.0),
"slope_us_per_s": round(observed_model.get("slope_ms_per_s", 0.0) * 1000.0),
"formula": "video_delay_us(t) = intercept_us + slope_us_per_s * seconds_since_first_event",
},
"output_path_only": {
"intercept_us": round(residual_model.get("intercept_ms", 0.0) * 1000.0),
"slope_us_per_s": round(residual_model.get("slope_ms_per_s", 0.0) * 1000.0),
"formula": "video_delay_us(t) = intercept_us + slope_us_per_s * seconds_since_first_event",
},
},
"events": joined,
}
pathlib.Path(output_json_path).write_text(json.dumps(artifact, indent=2, sort_keys=True) + "\n")
with pathlib.Path(output_csv_path).open("w", newline="", encoding="utf-8") as handle:
fieldnames = [
"event_id",
"code",
"event_time_s",
"tethys_video_time_s",
"tethys_audio_time_s",
"observed_skew_ms",
"server_feed_delta_ms",
"residual_path_skew_ms",
"server_video_feed_monotonic_us",
"server_audio_push_monotonic_us",
"confidence",
]
writer = csv.DictWriter(handle, fieldnames=fieldnames)
writer.writeheader()
for row in joined:
writer.writerow({key: row.get(key) for key in fieldnames})
lines = [
f"Output-delay correlation for {report_path}",
f"- joined events: {len(joined)}",
f"- dominant layer: {dominant_layer}",
f"- correction mode: {correction_mode}",
f"- observed skew model: {observed_model.get('intercept_ms', 0.0):+.3f} ms + {observed_model.get('slope_ms_per_s', 0.0):+.3f} ms/s * t",
f"- server feed model: {server_model.get('intercept_ms', 0.0):+.3f} ms + {server_model.get('slope_ms_per_s', 0.0):+.3f} ms/s * t",
f"- residual path model: {residual_model.get('intercept_ms', 0.0):+.3f} ms + {residual_model.get('slope_ms_per_s', 0.0):+.3f} ms/s * t",
f"- server/observed correlation: {server_observed_correlation:+.3f}",
f"- server drift share of observed: {server_share:.3f}",
]
summary = "\n".join(lines) + "\n"
pathlib.Path(output_txt_path).write_text(summary)
print(summary, end="")
PY
}
maybe_apply_output_delay_calibration() {
[[ "${LESAVKA_OUTPUT_DELAY_CALIBRATION}" != "0" ]] || return 0
[[ -f "${LOCAL_OUTPUT_DELAY_ENV}" ]] || return 0
@ -1032,6 +1267,7 @@ sleep "${LEAD_IN_SECONDS}"
echo "==> running server-generated UVC/UAC output-delay probe against ${RESOLVED_LESAVKA_SERVER_ADDR}"
probe_status=0
probe_timed_out=0
set +e
(
cd "${REPO_ROOT}"
LESAVKA_TLS_DOMAIN="${LESAVKA_TLS_DOMAIN}" \
@ -1044,10 +1280,13 @@ probe_timed_out=0
"${PROBE_PULSE_PERIOD_MS}" \
"${PROBE_PULSE_WIDTH_MS}" \
"${PROBE_EVENT_WIDTH_CODES}"
) || probe_status=$?
) 2>&1 | tee "${LOCAL_SERVER_PROBE_REPLY}"
probe_status=${PIPESTATUS[0]}
set -e
if [[ "${probe_status}" -eq 124 ]]; then
probe_timed_out=1
fi
extract_server_timeline
capture_status=0
wait "${capture_pid}" || capture_status=$?
@ -1197,6 +1436,7 @@ else
)
fi
write_output_delay_correlation
write_output_delay_calibration
maybe_apply_output_delay_calibration
@ -1218,6 +1458,18 @@ fi
if [[ -f "${LOCAL_EVENTS_CSV}" ]]; then
echo "events_csv: ${LOCAL_EVENTS_CSV}"
fi
if [[ -f "${LOCAL_SERVER_TIMELINE_JSON}" ]]; then
echo "server_timeline_json: ${LOCAL_SERVER_TIMELINE_JSON}"
fi
if [[ -f "${LOCAL_OUTPUT_DELAY_CORRELATION_JSON}" ]]; then
echo "output_delay_correlation_json: ${LOCAL_OUTPUT_DELAY_CORRELATION_JSON}"
fi
if [[ -f "${LOCAL_OUTPUT_DELAY_CORRELATION_CSV}" ]]; then
echo "output_delay_correlation_csv: ${LOCAL_OUTPUT_DELAY_CORRELATION_CSV}"
fi
if [[ -f "${LOCAL_OUTPUT_DELAY_CORRELATION_TXT}" ]]; then
echo "output_delay_correlation_txt: ${LOCAL_OUTPUT_DELAY_CORRELATION_TXT}"
fi
if [[ -f "${LOCAL_OUTPUT_DELAY_JSON}" ]]; then
echo "output_delay_calibration_json: ${LOCAL_OUTPUT_DELAY_JSON}"
fi

4
server/Cargo.toml
View File

@ -10,7 +10,7 @@ bench = false
[package]
name = "lesavka_server"
version = "0.19.2"
version = "0.19.3"
edition = "2024"
autobins = false
@ -34,6 +34,8 @@ prost-types = "0.13"
chrono = { version = "0.4", default-features = false, features = ["std", "clock", "serde"] }
chacha20poly1305 = "0.10"
base64 = "0.22"
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
[build-dependencies]
prost-build = "0.13"

6
server/src/main/relay_service.rs
View File

@ -650,7 +650,11 @@ impl Relay for Handler {
detail,
"🧪 server output-delay probe closed"
);
tx.send(Ok(OutputDelayProbeReply { ok: true, detail }))
tx.send(Ok(OutputDelayProbeReply {
ok: true,
detail,
server_timeline_json: summary.timeline_json,
}))
.await
.ok();
}

6
server/src/main/relay_service_coverage.rs
View File

@ -332,7 +332,11 @@ impl Relay for Handler {
"server-generated UVC/UAC output-delay probe complete: video_frames={} audio_packets={} events={}",
summary.video_frames, summary.audio_packets, summary.event_count
);
tx.send(Ok(OutputDelayProbeReply { ok: true, detail }))
tx.send(Ok(OutputDelayProbeReply {
ok: true,
detail,
server_timeline_json: summary.timeline_json,
}))
.await
.ok();
Ok(Response::new(ReceiverStream::new(rx)))

160
server/src/output_delay_probe.rs
View File

@ -3,6 +3,7 @@ use gstreamer as gst;
use gstreamer::prelude::*;
use gstreamer_app as gst_app;
use lesavka_common::lesavka::{AudioPacket, OutputDelayProbeRequest, VideoPacket};
use serde::Serialize;
use std::f64::consts::TAU;
use std::sync::Arc;
use std::time::Duration;
@ -68,6 +69,117 @@ pub struct OutputDelayProbeSummary {
pub video_frames: u64,
pub audio_packets: u64,
pub event_count: u64,
pub timeline_json: String,
}
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
struct ProbeEventSlot {
event_id: usize,
code: u32,
planned_start_us: u64,
planned_end_us: u64,
}
#[derive(Clone, Debug, Serialize)]
struct OutputDelayProbeTimeline {
schema: &'static str,
origin: &'static str,
media_path: &'static str,
camera_width: u32,
camera_height: u32,
camera_fps: u32,
audio_sample_rate: u32,
audio_channels: usize,
audio_chunk_ms: u64,
pulse_period_ms: u64,
pulse_width_ms: u64,
warmup_us: u64,
duration_us: u64,
events: Vec<OutputDelayProbeEventTimeline>,
}
#[derive(Clone, Debug, Serialize)]
struct OutputDelayProbeEventTimeline {
event_id: usize,
code: u32,
planned_start_us: u64,
planned_end_us: u64,
video_seq: Option<u64>,
audio_seq: Option<u64>,
video_feed_monotonic_us: Option<u64>,
audio_push_monotonic_us: Option<u64>,
server_feed_delta_ms: Option<f64>,
}
impl OutputDelayProbeTimeline {
fn new(config: &ProbeConfig, camera: &CameraConfig) -> Self {
let event_count = config.event_count();
let events = (0..event_count)
.map(|event_id| {
let slot = config.event_slot_by_id(event_id as usize);
OutputDelayProbeEventTimeline {
event_id: event_id as usize,
code: slot.code,
planned_start_us: slot.planned_start_us,
planned_end_us: slot.planned_end_us,
video_seq: None,
audio_seq: None,
video_feed_monotonic_us: None,
audio_push_monotonic_us: None,
server_feed_delta_ms: None,
}
})
.collect();
Self {
schema: "lesavka.output-delay-server-timeline.v1",
origin: "theia-server-generated",
media_path: "server generator -> UVC/UAC sinks",
camera_width: camera.width,
camera_height: camera.height,
camera_fps: camera.fps,
audio_sample_rate: AUDIO_SAMPLE_RATE,
audio_channels: AUDIO_CHANNELS,
audio_chunk_ms: AUDIO_CHUNK_MS,
pulse_period_ms: config.pulse_period.as_millis() as u64,
pulse_width_ms: config.pulse_width.as_millis() as u64,
warmup_us: duration_us(config.warmup),
duration_us: duration_us(config.duration),
events,
}
}
fn mark_audio(&mut self, slot: ProbeEventSlot, seq: u64, monotonic_us: u64) {
let Some(event) = self.events.get_mut(slot.event_id) else {
return;
};
if event.audio_push_monotonic_us.is_none() {
event.audio_seq = Some(seq);
event.audio_push_monotonic_us = Some(monotonic_us);
event.update_delta();
}
}
fn mark_video(&mut self, slot: ProbeEventSlot, seq: u64, monotonic_us: u64) {
let Some(event) = self.events.get_mut(slot.event_id) else {
return;
};
if event.video_feed_monotonic_us.is_none() {
event.video_seq = Some(seq);
event.video_feed_monotonic_us = Some(monotonic_us);
event.update_delta();
}
}
}
impl OutputDelayProbeEventTimeline {
fn update_delta(&mut self) {
let (Some(audio_us), Some(video_us)) =
(self.audio_push_monotonic_us, self.video_feed_monotonic_us)
else {
return;
};
self.server_feed_delta_ms = Some((audio_us as f64 - video_us as f64) / 1000.0);
}
}
impl ProbeConfig {
@ -107,6 +219,10 @@ impl ProbeConfig {
}
fn event_code_at(&self, pts: Duration) -> Option<u32> {
self.event_slot_at(pts).map(|slot| slot.code)
}
fn event_slot_at(&self, pts: Duration) -> Option<ProbeEventSlot> {
if pts < self.warmup {
return None;
}
@ -116,7 +232,22 @@ impl ProbeConfig {
let pulse_offset_ns = since_warmup.as_nanos() % period_ns;
let code = self.event_width_codes[pulse_index % self.event_width_codes.len()];
let active_ns = self.pulse_width.as_nanos().saturating_mul(u128::from(code));
(pulse_offset_ns < active_ns).then_some(code)
(pulse_offset_ns < active_ns).then(|| self.event_slot_by_id(pulse_index))
}
fn event_slot_by_id(&self, event_id: usize) -> ProbeEventSlot {
let code = self.event_width_codes[event_id % self.event_width_codes.len()];
let planned_start = self
.warmup
.saturating_add(duration_mul(self.pulse_period, event_id as u64));
let planned_end =
planned_start.saturating_add(duration_mul(self.pulse_width, u64::from(code)));
ProbeEventSlot {
event_id,
code,
planned_start_us: duration_us(planned_start),
planned_end_us: duration_us(planned_end),
}
}
fn event_count(&self) -> u64 {
@ -190,6 +321,7 @@ pub async fn run_server_output_delay_probe(
let samples_per_chunk = ((u64::from(AUDIO_SAMPLE_RATE) * AUDIO_CHUNK_MS) / 1_000) as usize;
let frames = EncodedProbeFrames::new(camera)?;
let start = tokio::time::Instant::now();
let mut timeline = OutputDelayProbeTimeline::new(&config, camera);
let mut frame_index = 0u64;
let mut audio_index = 0u64;
let mut video_frames = 0u64;
@ -206,29 +338,36 @@ pub async fn run_server_output_delay_probe(
if next_audio_pts <= next_frame_pts && next_audio_pts <= config.duration {
let pts_us = duration_us(next_audio_pts);
let event_slot = config.event_slot_at(next_audio_pts);
let data = render_audio_chunk(&config, next_audio_pts, samples_per_chunk);
let seq = audio_index.saturating_add(1);
sink.push(&AudioPacket {
id: 0,
pts: pts_us,
data,
seq: audio_index.saturating_add(1),
seq,
client_capture_pts_us: pts_us,
client_send_pts_us: pts_us,
client_queue_depth: 0,
client_queue_age_ms: 0,
});
if let Some(slot) = event_slot {
timeline.mark_audio(slot, seq, monotonic_us_since(start));
}
audio_packets = audio_packets.saturating_add(1);
audio_index = audio_index.saturating_add(1);
}
if next_frame_pts <= next_audio_pts && next_frame_pts <= config.duration {
let pts_us = duration_us(next_frame_pts);
let code = config.event_code_at(next_frame_pts);
let event_slot = config.event_slot_at(next_frame_pts);
let code = event_slot.map(|slot| slot.code);
let seq = frame_index.saturating_add(1);
relay.feed(VideoPacket {
id: 0,
pts: pts_us,
data: frames.packet_for_code(code)?.to_vec(),
seq: frame_index.saturating_add(1),
seq,
effective_fps: camera.fps,
client_capture_pts_us: pts_us,
client_send_pts_us: pts_us,
@ -236,6 +375,9 @@ pub async fn run_server_output_delay_probe(
client_queue_age_ms: 0,
..Default::default()
});
if let Some(slot) = event_slot {
timeline.mark_video(slot, seq, monotonic_us_since(start));
}
video_frames = video_frames.saturating_add(1);
frame_index = frame_index.saturating_add(1);
}
@ -246,6 +388,8 @@ pub async fn run_server_output_delay_probe(
video_frames,
audio_packets,
event_count: config.event_count(),
timeline_json: serde_json::to_string(&timeline)
.context("serializing output-delay server timeline")?,
})
}
@ -253,7 +397,7 @@ pub async fn run_server_output_delay_probe(
pub async fn run_server_output_delay_probe(
_relay: Arc<CameraRelay>,
_sink: &mut Voice,
_camera: &CameraConfig,
camera: &CameraConfig,
request: &OutputDelayProbeRequest,
) -> Result<OutputDelayProbeSummary> {
let config = ProbeConfig::from_request(request)?;
@ -261,6 +405,8 @@ pub async fn run_server_output_delay_probe(
video_frames: 1,
audio_packets: 1,
event_count: config.event_count(),
timeline_json: serde_json::to_string(&OutputDelayProbeTimeline::new(&config, camera))
.unwrap_or_else(|_| "{}".to_string()),
})
}
@ -464,6 +610,10 @@ fn duration_us(duration: Duration) -> u64 {
duration.as_micros().min(u128::from(u64::MAX)) as u64
}
fn monotonic_us_since(start: tokio::time::Instant) -> u64 {
duration_us(tokio::time::Instant::now().saturating_duration_since(start))
}
fn duration_mul(duration: Duration, count: u64) -> Duration {
let nanos = duration
.as_nanos()

13
testing/tests/client_manual_sync_script_contract.rs
View File

@ -32,6 +32,11 @@ fn upstream_sync_script_tunnels_auto_server_addr_through_ssh() {
"LOCAL_REPORT_DIR=\"${LOCAL_OUTPUT_DIR%/}/lesavka-output-delay-probe-${STAMP}\"",
"LOCAL_ANALYSIS_JSON=\"${LOCAL_REPORT_DIR}/report.json\"",
"LOCAL_EVENTS_CSV=\"${LOCAL_REPORT_DIR}/events.csv\"",
"LOCAL_SERVER_PROBE_REPLY=\"${LOCAL_REPORT_DIR}/server-output-probe-reply.txt\"",
"LOCAL_SERVER_TIMELINE_JSON=\"${LOCAL_REPORT_DIR}/server-output-timeline.json\"",
"LOCAL_OUTPUT_DELAY_CORRELATION_JSON=\"${LOCAL_REPORT_DIR}/output-delay-correlation.json\"",
"LOCAL_OUTPUT_DELAY_CORRELATION_CSV=\"${LOCAL_REPORT_DIR}/output-delay-correlation.csv\"",
"LOCAL_OUTPUT_DELAY_CORRELATION_TXT=\"${LOCAL_REPORT_DIR}/output-delay-correlation.txt\"",
"LOCAL_OUTPUT_DELAY_JSON=\"${LOCAL_REPORT_DIR}/output-delay-calibration.json\"",
"LOCAL_OUTPUT_DELAY_ENV=\"${LOCAL_REPORT_DIR}/output-delay-calibration.env\"",
"LESAVKA_OUTPUT_DELAY_CALIBRATION=${LESAVKA_OUTPUT_DELAY_CALIBRATION:-1}",
@ -43,8 +48,14 @@ fn upstream_sync_script_tunnels_auto_server_addr_through_ssh() {
"LESAVKA_OUTPUT_DELAY_MAX_DRIFT_MS=${LESAVKA_OUTPUT_DELAY_MAX_DRIFT_MS:-80}",
"LESAVKA_OUTPUT_DELAY_MAX_STEP_US=${LESAVKA_OUTPUT_DELAY_MAX_STEP_US:-1500000}",
"write_output_delay_calibration",
"extract_server_timeline",
"write_output_delay_correlation",
"maybe_apply_output_delay_calibration",
"schema\": \"lesavka.output-delay-calibration.v1\"",
"schema\": \"lesavka.output-delay-correlation.v1\"",
"server_timeline_json=",
"dominant_layer",
"video_delay_function_candidate",
"source\": \"direct-uvc-uac-output-probe\"",
"scope\": \"server-output-static-baseline\"",
"applies_to\": \"server UVC/UAC gadget output path\"",
@ -75,6 +86,8 @@ fn upstream_sync_script_tunnels_auto_server_addr_through_ssh() {
"Lesavka audio source not found in PipeWire or ALSA; capture host does not currently expose the gadget microphone.",
"artifact_dir: ${LOCAL_REPORT_DIR}",
"events_csv: ${LOCAL_EVENTS_CSV}",
"server_timeline_json: ${LOCAL_SERVER_TIMELINE_JSON}",
"output_delay_correlation_json: ${LOCAL_OUTPUT_DELAY_CORRELATION_JSON}",
"==> Lesavka versions under test",
"lesavka-relayctl",
"--bin lesavka-relayctl",