lesavka: lighten inline preview feeds

This commit is contained in:
Brad Stein 2026-04-17 12:41:23 -03:00
parent 57cd7aac33
commit 2f11cfa483
5 changed files with 129 additions and 20 deletions

View File

@ -4,7 +4,7 @@ path = "src/main.rs"
[package]
name = "lesavka_client"
version = "0.11.3"
version = "0.11.4"
edition = "2024"
[dependencies]

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@ -32,6 +32,14 @@ const PREVIEW_WIDTH: i32 = 640;
#[cfg(not(coverage))]
const PREVIEW_HEIGHT: i32 = 360;
#[cfg(not(coverage))]
const INLINE_PREVIEW_REQUEST_WIDTH: i32 = 960;
#[cfg(not(coverage))]
const INLINE_PREVIEW_REQUEST_HEIGHT: i32 = 540;
#[cfg(not(coverage))]
const INLINE_PREVIEW_REQUEST_FPS: u32 = 24;
#[cfg(not(coverage))]
const INLINE_PREVIEW_MAX_KBIT: u32 = 4_000;
#[cfg(not(coverage))]
const DEFAULT_EYE_SOURCE_WIDTH: i32 = 1920;
#[cfg(not(coverage))]
const DEFAULT_EYE_SOURCE_HEIGHT: i32 = 1080;
@ -105,14 +113,20 @@ impl PreviewSurface {
display_height: preview_dimension("LESAVKA_PREVIEW_HEIGHT", PREVIEW_HEIGHT),
requested_width: preview_dimension(
"LESAVKA_PREVIEW_REQUEST_WIDTH",
DEFAULT_EYE_SOURCE_WIDTH,
INLINE_PREVIEW_REQUEST_WIDTH,
),
requested_height: preview_dimension(
"LESAVKA_PREVIEW_REQUEST_HEIGHT",
DEFAULT_EYE_SOURCE_HEIGHT,
INLINE_PREVIEW_REQUEST_HEIGHT,
),
requested_fps: preview_bitrate(
"LESAVKA_PREVIEW_REQUEST_FPS",
INLINE_PREVIEW_REQUEST_FPS,
),
max_bitrate_kbit: preview_bitrate(
"LESAVKA_PREVIEW_MAX_KBIT",
INLINE_PREVIEW_MAX_KBIT,
),
requested_fps: preview_bitrate("LESAVKA_PREVIEW_REQUEST_FPS", 30),
max_bitrate_kbit: preview_bitrate("LESAVKA_PREVIEW_MAX_KBIT", 12_000),
prefer_reencode: true,
},
Self::Window => PreviewProfile {
@ -267,15 +281,28 @@ impl LauncherPreview {
max_bitrate_kbit: u32,
prefer_reencode: bool,
) {
let (
inline_requested_width,
inline_requested_height,
inline_requested_fps,
inline_max_bitrate_kbit,
inline_prefer_reencode,
) = adapt_inline_preview_request(
requested_width,
requested_height,
requested_fps,
max_bitrate_kbit,
prefer_reencode,
);
self.rebuild_feed(
&self.inline_feeds,
monitor_id,
Some((
requested_width,
requested_height,
requested_fps,
max_bitrate_kbit,
prefer_reencode,
inline_requested_width,
inline_requested_height,
inline_requested_fps,
inline_max_bitrate_kbit,
inline_prefer_reencode,
)),
None,
);
@ -1307,6 +1334,80 @@ fn preview_dimension(var: &str, default: i32) -> i32 {
.unwrap_or(default)
}
#[cfg(not(coverage))]
fn adapt_inline_preview_request(
requested_width: i32,
requested_height: i32,
requested_fps: u32,
max_bitrate_kbit: u32,
prefer_reencode: bool,
) -> (i32, i32, u32, u32, bool) {
let bounded_width = requested_width.max(2).min(preview_dimension(
"LESAVKA_PREVIEW_REQUEST_WIDTH",
INLINE_PREVIEW_REQUEST_WIDTH,
));
let bounded_height = requested_height.max(2).min(preview_dimension(
"LESAVKA_PREVIEW_REQUEST_HEIGHT",
INLINE_PREVIEW_REQUEST_HEIGHT,
));
let (inline_width, inline_height) = fit_preview_within_bounds(
requested_width.max(2),
requested_height.max(2),
bounded_width,
bounded_height,
);
let inline_fps = requested_fps.max(1).min(preview_bitrate(
"LESAVKA_PREVIEW_REQUEST_FPS",
INLINE_PREVIEW_REQUEST_FPS,
));
let inline_bitrate = max_bitrate_kbit.max(800).min(preview_bitrate(
"LESAVKA_PREVIEW_MAX_KBIT",
INLINE_PREVIEW_MAX_KBIT,
));
let adapted = inline_width != requested_width.max(2)
|| inline_height != requested_height.max(2)
|| inline_fps != requested_fps.max(1)
|| inline_bitrate != max_bitrate_kbit.max(800);
(
inline_width,
inline_height,
inline_fps,
inline_bitrate,
prefer_reencode || adapted,
)
}
#[cfg(not(coverage))]
fn fit_preview_within_bounds(
requested_width: i32,
requested_height: i32,
max_width: i32,
max_height: i32,
) -> (i32, i32) {
let requested_width = round_down_even_i32(requested_width.max(2));
let requested_height = round_down_even_i32(requested_height.max(2));
let max_width = round_down_even_i32(max_width.max(2));
let max_height = round_down_even_i32(max_height.max(2));
if requested_width <= max_width && requested_height <= max_height {
return (requested_width, requested_height);
}
let width_limited_height =
round_down_even_i32((requested_height * max_width) / requested_width);
if width_limited_height <= max_height {
(max_width, width_limited_height.max(2))
} else {
let height_limited_width =
round_down_even_i32((requested_width * max_height) / requested_height);
(height_limited_width.max(2), max_height)
}
}
#[cfg(not(coverage))]
fn round_down_even_i32(value: i32) -> i32 {
let value = value.max(2);
value - (value & 1)
}
#[cfg(not(coverage))]
fn events_per_second(events: &VecDeque<Instant>, now: Instant) -> f32 {
let Some(oldest) = events.front().copied() else {
@ -1362,20 +1463,22 @@ fn compute_peak_gap_ms(samples: &VecDeque<(Instant, f32)>) -> f32 {
#[cfg(test)]
mod tests {
use super::{
DEFAULT_EYE_SOURCE_HEIGHT, DEFAULT_EYE_SOURCE_WIDTH, PREVIEW_HEIGHT, PREVIEW_WIDTH,
PreviewSurface, PreviewTelemetry,
DEFAULT_EYE_SOURCE_HEIGHT, DEFAULT_EYE_SOURCE_WIDTH, INLINE_PREVIEW_MAX_KBIT,
INLINE_PREVIEW_REQUEST_FPS, INLINE_PREVIEW_REQUEST_HEIGHT, INLINE_PREVIEW_REQUEST_WIDTH,
PREVIEW_HEIGHT, PREVIEW_WIDTH, PreviewSurface, PreviewTelemetry,
adapt_inline_preview_request,
};
use std::time::{Duration, Instant};
#[test]
fn inline_preview_profile_uses_existing_defaults() {
fn inline_preview_profile_uses_lightweight_defaults() {
let profile = PreviewSurface::Inline.profile();
assert_eq!(profile.display_width, PREVIEW_WIDTH);
assert_eq!(profile.display_height, PREVIEW_HEIGHT);
assert_eq!(profile.requested_width, DEFAULT_EYE_SOURCE_WIDTH);
assert_eq!(profile.requested_height, DEFAULT_EYE_SOURCE_HEIGHT);
assert_eq!(profile.requested_fps, 30);
assert_eq!(profile.max_bitrate_kbit, 12_000);
assert_eq!(profile.requested_width, INLINE_PREVIEW_REQUEST_WIDTH);
assert_eq!(profile.requested_height, INLINE_PREVIEW_REQUEST_HEIGHT);
assert_eq!(profile.requested_fps, INLINE_PREVIEW_REQUEST_FPS);
assert_eq!(profile.max_bitrate_kbit, INLINE_PREVIEW_MAX_KBIT);
}
#[test]
@ -1389,6 +1492,12 @@ mod tests {
assert_eq!(profile.max_bitrate_kbit, 12_000);
}
#[test]
fn inline_preview_request_caps_large_full_quality_streams() {
let adapted = adapt_inline_preview_request(1920, 1080, 30, 12_000, false);
assert_eq!(adapted, (960, 540, 24, 4_000, true));
}
#[test]
fn preview_telemetry_reports_fps_jitter_loss_and_drop_metrics() {
let mut telemetry = PreviewTelemetry::default();

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@ -1,6 +1,6 @@
[package]
name = "lesavka_common"
version = "0.11.3"
version = "0.11.4"
edition = "2024"
build = "build.rs"

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@ -17,6 +17,6 @@ mod tests {
#[test]
fn banner_includes_version() {
assert_eq!(banner("0.11.3"), "lesavka-common CLI (v0.11.3)");
assert_eq!(banner("0.11.4"), "lesavka-common CLI (v0.11.4)");
}
}

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@ -10,7 +10,7 @@ bench = false
[package]
name = "lesavka_server"
version = "0.11.3"
version = "0.11.4"
edition = "2024"
autobins = false