lesavka: keep inline preview geometry honest

This commit is contained in:
Brad Stein 2026-04-17 14:13:44 -03:00
parent 545bda5a96
commit d7277070f0
5 changed files with 23 additions and 53 deletions

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@ -4,7 +4,7 @@ path = "src/main.rs"
[package]
name = "lesavka_client"
version = "0.11.6"
version = "0.11.7"
edition = "2024"
[dependencies]

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@ -1342,20 +1342,17 @@ fn adapt_inline_preview_request(
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_width = requested_width.max(2);
let inline_height = requested_height.max(2);
if !prefer_reencode {
return (
inline_width,
inline_height,
requested_fps.max(1),
max_bitrate_kbit.max(800),
false,
);
}
let inline_fps = requested_fps.max(1).min(preview_bitrate(
"LESAVKA_PREVIEW_REQUEST_FPS",
INLINE_PREVIEW_REQUEST_FPS,
@ -1364,10 +1361,7 @@ fn adapt_inline_preview_request(
"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);
let adapted = inline_fps != requested_fps.max(1) || inline_bitrate != max_bitrate_kbit.max(800);
(
inline_width,
inline_height,
@ -1378,36 +1372,6 @@ fn adapt_inline_preview_request(
}
#[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 {
@ -1494,8 +1458,14 @@ mod tests {
#[test]
fn inline_preview_request_caps_large_full_quality_streams() {
let adapted = adapt_inline_preview_request(1920, 1080, 30, 12_000, true);
assert_eq!(adapted, (1920, 1080, 24, 4_000, true));
}
#[test]
fn inline_preview_request_keeps_source_stream_honest() {
let adapted = adapt_inline_preview_request(1920, 1080, 30, 12_000, false);
assert_eq!(adapted, (960, 540, 24, 4_000, true));
assert_eq!(adapted, (1920, 1080, 30, 12_000, false));
}
#[test]

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@ -1,6 +1,6 @@
[package]
name = "lesavka_common"
version = "0.11.6"
version = "0.11.7"
edition = "2024"
build = "build.rs"

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@ -17,6 +17,6 @@ mod tests {
#[test]
fn banner_includes_version() {
assert_eq!(banner("0.11.6"), "lesavka-common CLI (v0.11.6)");
assert_eq!(banner("0.11.7"), "lesavka-common CLI (v0.11.7)");
}
}

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@ -10,7 +10,7 @@ bench = false
[package]
name = "lesavka_server"
version = "0.11.6"
version = "0.11.7"
edition = "2024"
autobins = false