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Move waterfall controls to function bar and fix SDR claim race on tune

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Move waterfall controls from the sidebar into a function-strip bar inside
#listeningPostVisuals so they sit directly above the waterfall canvas.
Also fix the "SDR device in use" error when clicking a waterfall frequency
to listen — the WebSocket waterfall's device claim wasn't being released
before the audio start request because the backend cleanup hadn't finished.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Smittix
2026-02-08 14:25:36 +00:00
parent cca04918a9
commit 19a94d4a84
3 changed files with 80 additions and 55 deletions
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routes/listening_post.py
+10 -1
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@@ -1305,11 +1305,20 @@ def start_audio() -> Response:
scanner_config['device'] = device
scanner_config['sdr_type'] = sdr_type
# Stop waterfall if it's using the same SDR
# Stop waterfall if it's using the same SDR (SSE path)
if waterfall_running and waterfall_active_device == device:
_stop_waterfall_internal()
time.sleep(0.2)
# Release waterfall device claim if the WebSocket waterfall is still
# holding it. The JS client sends a stop command and closes the
# WebSocket before requesting audio, but the backend handler may not
# have finished its cleanup yet.
device_status = app_module.get_sdr_device_status()
if device_status.get(device) == 'waterfall':
app_module.release_sdr_device(device)
time.sleep(0.3)
# Claim device for listening audio
if listening_active_device is None or listening_active_device != device:
if listening_active_device is not None: