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fix(server): calibrate mjpeg upstream audio playout

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This commit is contained in:
Brad Stein 2026-04-30 00:51:20 -03:00
parent a384ed2b7b
commit 0e3da31b29
8 changed files with 19 additions and 11 deletions
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6
Cargo.lock generated
View File

@ -1642,7 +1642,7 @@ checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
[[package]]
name = "lesavka_client"
version = "0.15.4"
version = "0.15.5"
dependencies = [
"anyhow",
"async-stream",
@ -1676,7 +1676,7 @@ dependencies = [
[[package]]
name = "lesavka_common"
version = "0.15.4"
version = "0.15.5"
dependencies = [
"anyhow",
"base64",
@ -1688,7 +1688,7 @@ dependencies = [
[[package]]
name = "lesavka_server"
version = "0.15.4"
version = "0.15.5"
dependencies = [
"anyhow",
"base64",

2
client/Cargo.toml
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@ -4,7 +4,7 @@ path = "src/main.rs"
[package]
name = "lesavka_client"
version = "0.15.4"
version = "0.15.5"
edition = "2024"
[dependencies]

2
common/Cargo.toml
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@ -1,6 +1,6 @@
[package]
name = "lesavka_common"
version = "0.15.4"
version = "0.15.5"
edition = "2024"
build = "build.rs"

2
scripts/install/server.sh
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@ -800,7 +800,7 @@ fi
printf 'LESAVKA_UAC_HDMI_COMPENSATION_US=%s\n' "${LESAVKA_UAC_HDMI_COMPENSATION_US:-205000}"
printf 'LESAVKA_UAC_SESSION_CLOCK_ALIGN=%s\n' "${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:-35000}"
printf 'LESAVKA_UPSTREAM_AUDIO_PLAYOUT_OFFSET_US=%s\n' "${LESAVKA_UPSTREAM_AUDIO_PLAYOUT_OFFSET_US:--45000}"
printf 'LESAVKA_UPSTREAM_VIDEO_PLAYOUT_OFFSET_US=%s\n' "${LESAVKA_UPSTREAM_VIDEO_PLAYOUT_OFFSET_US:-0}"
printf 'LESAVKA_UPSTREAM_PAIR_SLACK_US=%s\n' "${LESAVKA_UPSTREAM_PAIR_SLACK_US:-80000}"
printf 'LESAVKA_UPSTREAM_STALE_DROP_MS=%s\n' "${LESAVKA_UPSTREAM_STALE_DROP_MS:-80}"

2
server/Cargo.toml
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@ -10,7 +10,7 @@ bench = false
[package]
name = "lesavka_server"
version = "0.15.4"
version = "0.15.5"
edition = "2024"
autobins = false

10
server/src/upstream_media_runtime/config.rs
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@ -29,10 +29,18 @@ pub(super) fn upstream_playout_offset_us(kind: UpstreamMediaKind) -> i64 {
UpstreamMediaKind::Camera => "LESAVKA_UPSTREAM_VIDEO_PLAYOUT_OFFSET_US",
UpstreamMediaKind::Microphone => "LESAVKA_UPSTREAM_AUDIO_PLAYOUT_OFFSET_US",
};
let default_offset_us = match kind {
UpstreamMediaKind::Camera => 0,
// Hardware sync probes on the MJPEG UVC path show the UAC leg arriving
// about 80ms after video when using the older +35ms default. Bias the
// server playout earlier so the shipped default lands in the preferred
// lip-sync band instead of hovering at the guardrail.
UpstreamMediaKind::Microphone => -45_000,
};
std::env::var(name)
.ok()
.and_then(|value| value.trim().parse::<i64>().ok())
.unwrap_or(0)
.unwrap_or(default_offset_us)
}
pub(super) fn upstream_pairing_master_slack() -> Duration {

4
server/src/upstream_media_runtime/tests/config.rs
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@ -13,12 +13,12 @@ fn upstream_playout_delay_defaults_to_one_second_and_accepts_overrides() {
}
#[test]
fn upstream_playout_offsets_default_to_zero_and_accept_overrides() {
fn upstream_playout_offsets_default_to_mjpeg_calibration_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
-45_000
);
assert_eq!(
super::upstream_playout_offset_us(UpstreamMediaKind::Camera),

2
testing/tests/server_install_script_contract.rs
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@ -46,7 +46,7 @@ fn server_install_pins_hdmi_camera_and_display_defaults() {
assert!(SERVER_INSTALL.contains("${LESAVKA_HDMI_HEIGHT:-1080}"));
assert!(SERVER_INSTALL.contains("${LESAVKA_HDMI_SINK:-fbdevsink}"));
assert!(SERVER_INSTALL.contains("${LESAVKA_UPSTREAM_PLAYOUT_DELAY_MS:-1000}"));
assert!(SERVER_INSTALL.contains("${LESAVKA_UPSTREAM_AUDIO_PLAYOUT_OFFSET_US:-35000}"));
assert!(SERVER_INSTALL.contains("${LESAVKA_UPSTREAM_AUDIO_PLAYOUT_OFFSET_US:--45000}"));
assert!(SERVER_INSTALL.contains("${LESAVKA_UPSTREAM_PAIR_SLACK_US:-80000}"));
assert!(SERVER_INSTALL.contains("${LESAVKA_UPSTREAM_STALE_DROP_MS:-80}"));
assert!(SERVER_INSTALL.contains("${LESAVKA_INSTALL_SERVER_BIND_ADDR:-0.0.0.0:50051}"));