ericek111
0f76258a05
Swing desktop client (core/desktop/swing Maven modules) built on the ts3j protocol library, included as a submodule. Native Opus voice with voice-activation detection, push-to-talk, and audio pre-processing. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
70 lines
2.0 KiB
Java
70 lines
2.0 KiB
Java
package com.ts3client.ui;
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import javax.swing.JComponent;
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.RenderingHints;
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/**
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* Horizontal audio level meter (dBFS) with an optional VAD threshold marker.
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* The filled portion turns green once the level crosses the threshold, giving
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* immediate visual feedback while tuning voice activation.
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*/
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public final class LevelMeter extends JComponent {
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private static final double MIN_DB = -70.0;
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private static final double MAX_DB = 0.0;
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private volatile double levelDb = MIN_DB;
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private volatile double thresholdDb = -45.0;
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private volatile boolean showThreshold = true;
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public LevelMeter() {
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setPreferredSize(new Dimension(240, 18));
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}
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public void setLevel(double db) {
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this.levelDb = db;
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repaint();
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}
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public void setThreshold(double db) {
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this.thresholdDb = db;
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repaint();
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}
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public void setShowThreshold(boolean show) {
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this.showThreshold = show;
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repaint();
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}
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private int dbToX(double db, int w) {
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double clamped = Math.max(MIN_DB, Math.min(MAX_DB, db));
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return (int) ((clamped - MIN_DB) / (MAX_DB - MIN_DB) * w);
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}
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@Override
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protected void paintComponent(Graphics g0) {
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Graphics2D g = (Graphics2D) g0;
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g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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int w = getWidth();
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int h = getHeight();
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g.setColor(new Color(0x2B2B2B));
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g.fillRoundRect(0, 0, w - 1, h - 1, 6, 6);
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int level = dbToX(levelDb, w - 2);
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boolean over = levelDb >= thresholdDb;
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g.setColor(over ? Theme.TALKING : new Color(0x5A9BD4));
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g.fillRoundRect(1, 1, Math.max(0, level), h - 3, 5, 5);
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if (showThreshold) {
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int tx = dbToX(thresholdDb, w - 2);
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g.setColor(new Color(0xF0C419));
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g.fillRect(tx, 1, 2, h - 3);
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}
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}
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}
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