alexei.dolgolyov/wled-screen-controller-mixed
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Add brightness overlay and enlarge LED preview on target cards

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Show effective brightness percentage on the LED preview when a
value source dims below 100%. Prepend a brightness byte to the
preview WebSocket wire format. Increase preview height to 32px.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Admin
2026-02-26 14:44:03 +03:00
parent a0c9cb0039
commit c2deef214e
3 changed files with 40 additions and 7 deletions
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14
server/src/wled_controller/core/processing/wled_target_processor.py
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@@ -433,12 +433,16 @@ class WledTargetProcessor(TargetProcessor):
if ws in self._preview_clients:
self._preview_clients.remove(ws)
async def _broadcast_led_preview(self, colors: np.ndarray) -> None:
"""Broadcast LED colors as binary RGB bytes to preview WebSocket clients."""
async def _broadcast_led_preview(self, colors: np.ndarray, brightness: int = 255) -> None:
"""Broadcast LED colors as binary RGB bytes to preview WebSocket clients.
Wire format: [brightness_byte] [R G B R G B ...]
First byte is the effective brightness (0-255), rest is RGB pixel data.
"""
if not self._preview_clients:
return
data = colors.astype(np.uint8).tobytes()
data = bytes([brightness]) + colors.astype(np.uint8).tobytes()
async def _send_safe(ws):
try:
@@ -605,7 +609,7 @@ class WledTargetProcessor(TargetProcessor):
send_timestamps.append(now)
self._metrics.frames_keepalive += 1
if self._preview_clients and (now - _last_preview_broadcast) >= 0.066:
await self._broadcast_led_preview(send_colors)
await self._broadcast_led_preview(send_colors, cur_brightness)
_last_preview_broadcast = now
self._metrics.frames_skipped += 1
while send_timestamps and send_timestamps[0] < now - 1.0:
@@ -640,7 +644,7 @@ class WledTargetProcessor(TargetProcessor):
# Broadcast to LED preview WebSocket clients (throttled to ~15 fps)
if self._preview_clients and (now - _last_preview_broadcast) >= 0.066:
await self._broadcast_led_preview(send_colors)
await self._broadcast_led_preview(send_colors, cur_brightness)
_last_preview_broadcast = now
self._metrics.timing_send_ms = send_ms