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Add real-time audio spectrum test for audio sources and templates

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- Add WebSocket endpoints for live audio spectrum streaming at ~20Hz
- Audio source test: resolves device/channel, shares stream via ref-counting
- Audio template test: includes device picker dropdown for selecting input
- Canvas-based 64-band spectrum visualizer with falling peaks and beat flash
- Channel-aware: mono sources show left/right/mixed spectrum correctly

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Admin
2026-02-26 14:19:41 +03:00
parent 4806f5020c
commit 147ef3b4eb
12 changed files with 725 additions and 6 deletions
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server/src/wled_controller/templates/modals/test-audio-source.html Normal file
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<!-- Test Audio Source Modal -->
<div id="test-audio-source-modal" class="modal" role="dialog" aria-modal="true" aria-labelledby="test-audio-source-modal-title">
<div class="modal-content">
<div class="modal-header">
<h2 id="test-audio-source-modal-title" data-i18n="audio_source.test.title">Test Audio Source</h2>
<button class="modal-close-btn" onclick="closeTestAudioSourceModal()" title="Close" data-i18n-aria-label="aria.close">&#x2715;</button>
</div>
<div class="modal-body">
<canvas id="audio-test-canvas" class="audio-test-canvas"></canvas>
<div class="audio-test-stats">
<span class="audio-test-stat">
<span class="audio-test-stat-label" data-i18n="audio_source.test.rms">RMS</span>
<span class="audio-test-stat-value" id="audio-test-rms">---</span>
</span>
<span class="audio-test-stat">
<span class="audio-test-stat-label" data-i18n="audio_source.test.peak">Peak</span>
<span class="audio-test-stat-value" id="audio-test-peak">---</span>
</span>
<span class="audio-test-stat">
<span id="audio-test-beat-dot" class="audio-test-beat-dot"></span>
<span class="audio-test-stat-label" data-i18n="audio_source.test.beat">Beat</span>
</span>
</div>
<div id="audio-test-status" class="audio-test-status" data-i18n="audio_source.test.connecting">Connecting...</div>
</div>
</div>
</div>