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client: add MJPEG quality control

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This commit is contained in:
Brad Stein 2026-01-06 21:36:13 -03:00
parent 6295720b96
commit aba2a689b4
1 changed files with 6 additions and 3 deletions
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9
client/src/input/camera.rs
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@ -40,6 +40,7 @@ impl CameraCapture {
.ok() .ok()
.map(|v| matches!(v.to_ascii_lowercase().as_str(), "mjpeg" | "mjpg" | "jpeg")) .map(|v| matches!(v.to_ascii_lowercase().as_str(), "mjpeg" | "mjpg" | "jpeg"))
.unwrap_or(false); .unwrap_or(false);
let jpeg_quality = env_u32("LESAVKA_CAM_JPEG_QUALITY", 85).clamp(1, 100);
let (enc, kf_prop, kf_val) = if use_mjpg_source && !output_mjpeg { let (enc, kf_prop, kf_val) = if use_mjpg_source && !output_mjpeg {
("x264enc", "key-int-max", "30") ("x264enc", "key-int-max", "30")
} else { } else {
@ -49,7 +50,9 @@ impl CameraCapture {
tracing::info!("📸 using MJPG source with software encode"); tracing::info!("📸 using MJPG source with software encode");
} }
if output_mjpeg { if output_mjpeg {
tracing::info!("📸 outputting MJPEG frames for UVC"); tracing::info!(
"📸 outputting MJPEG frames for UVC (quality={jpeg_quality})"
);
} else { } else {
tracing::info!("📸 using encoder element: {enc}"); tracing::info!("📸 using encoder element: {enc}");
} }
@ -94,7 +97,7 @@ impl CameraCapture {
if use_mjpg_source { if use_mjpg_source {
format!( format!(
"v4l2src device={dev} do-timestamp=true ! \ "v4l2src device={dev} do-timestamp=true ! \
image/jpeg,width={width},height={height} ! \ image/jpeg,width={width},height={height},framerate={fps}/1 ! \
queue max-size-buffers=30 leaky=downstream ! \ queue max-size-buffers=30 leaky=downstream ! \
appsink name=asink emit-signals=true max-buffers=60 drop=true" appsink name=asink emit-signals=true max-buffers=60 drop=true"
) )
@ -102,7 +105,7 @@ impl CameraCapture {
format!( format!(
"v4l2src device={dev} do-timestamp=true ! \ "v4l2src device={dev} do-timestamp=true ! \
video/x-raw,width={width},height={height},framerate={fps}/1 ! \ video/x-raw,width={width},height={height},framerate={fps}/1 ! \
videoconvert ! jpegenc ! \ videoconvert ! jpegenc quality={jpeg_quality} ! \
queue max-size-buffers=30 leaky=downstream ! \ queue max-size-buffers=30 leaky=downstream ! \
appsink name=asink emit-signals=true max-buffers=60 drop=true" appsink name=asink emit-signals=true max-buffers=60 drop=true"
) )