Changes

src/components/MiniOscilloscope.tsx

@@ -3,6 +3,11 @@ import { useNavigate, useLocation } from 'react-router-dom';
 import { useSettings } from '@/contexts/SettingsContext';
 import { useAudioAnalyzer } from '@/contexts/AudioAnalyzerContext';
 
+// Get CSS variable value
+function getCSSVar(name: string): string {
+  return getComputedStyle(document.documentElement).getPropertyValue(name).trim();
+}
+
 export function MiniOscilloscope() {
   const canvasRef = useRef<HTMLCanvasElement>(null);
   const animationRef = useRef<number>();
@@ -23,15 +28,23 @@ export function MiniOscilloscope() {
       const width = canvas.width;
       const height = canvas.height;
 
+      // Get theme colors
+      const primaryHsl = getCSSVar('--primary');
+      const primaryColor = primaryHsl ? `hsl(${primaryHsl})` : 'hsl(120, 100%, 50%)';
+      const primaryColorDim = primaryHsl ? `hsl(${primaryHsl} / 0.3)` : 'hsl(120, 100%, 50%, 0.3)';
+      const primaryColorFaint = primaryHsl ? `hsl(${primaryHsl} / 0.1)` : 'hsl(120, 100%, 50%, 0.1)';
+      const bgHsl = getCSSVar('--background');
+      const bgColor = bgHsl ? `hsl(${bgHsl} / 0.8)` : 'rgba(0, 0, 0, 0.6)';
+
       // Clear with transparent background
       ctx.clearRect(0, 0, width, height);
 
-      // Draw background
+      // Draw background with theme color
-      ctx.fillStyle = 'rgba(0, 0, 0, 0.6)';
+      ctx.fillStyle = bgColor;
       ctx.fillRect(0, 0, width, height);
 
-      // Draw grid lines
+      // Draw grid lines with theme color
-      ctx.strokeStyle = 'hsl(120, 100%, 50%, 0.1)';
+      ctx.strokeStyle = primaryColorFaint;
       ctx.lineWidth = 1;
       
       // Vertical grid lines
@@ -42,31 +55,29 @@ export function MiniOscilloscope() {
         ctx.stroke();
       }
 
-      // Center line
+      // Center line with theme color
-      ctx.strokeStyle = 'hsl(120, 100%, 50%, 0.3)';
+      ctx.strokeStyle = primaryColorDim;
       ctx.beginPath();
       ctx.moveTo(0, height / 2);
       ctx.lineTo(width, height / 2);
       ctx.stroke();
 
-      // Draw waveform from analyzer
+      // Draw waveform from analyzer or flat line
-      let hasAudio = false;
-      
       if (analyzerNode) {
         const bufferLength = analyzerNode.frequencyBinCount;
         const dataArray = new Uint8Array(bufferLength);
         analyzerNode.getByteTimeDomainData(dataArray);
 
         // Check if there's actual audio (not just silence)
-        hasAudio = dataArray.some(v => Math.abs(v - 128) > 2);
+        const hasAudio = dataArray.some(v => Math.abs(v - 128) > 2);
 
-        if (hasAudio) {
+        ctx.strokeStyle = primaryColor;
-          ctx.strokeStyle = 'hsl(120, 100%, 50%)';
         ctx.lineWidth = 2;
-          ctx.shadowColor = 'hsl(120, 100%, 50%)';
+        ctx.shadowColor = primaryColor;
-          ctx.shadowBlur = 10;
+        ctx.shadowBlur = hasAudio ? 10 : 0;
         ctx.beginPath();
 
+        if (hasAudio) {
           const sliceWidth = width / bufferLength;
           let x = 0;
 
@@ -82,28 +93,21 @@ export function MiniOscilloscope() {
 
             x += sliceWidth;
           }
-
+        } else {
+          // Flat line when no audio
+          ctx.moveTo(0, height / 2);
           ctx.lineTo(width, height / 2);
+        }
+
         ctx.stroke();
         ctx.shadowBlur = 0;
-        }
-      }
-
-      // Draw idle animation when no audio
-      if (!hasAudio) {
-        const time = Date.now() / 1000;
-        ctx.strokeStyle = 'hsl(120, 100%, 50%, 0.5)';
-        ctx.lineWidth = 1;
-        ctx.beginPath();
-        
-        for (let i = 0; i < width; i++) {
-          const y = height / 2 + Math.sin(i * 0.05 + time * 2) * 3;
-          if (i === 0) {
-            ctx.moveTo(i, y);
       } else {
-            ctx.lineTo(i, y);
+        // Flat line when no analyzer
-          }
+        ctx.strokeStyle = primaryColor;
-        }
+        ctx.lineWidth = 2;
+        ctx.beginPath();
+        ctx.moveTo(0, height / 2);
+        ctx.lineTo(width, height / 2);
         ctx.stroke();
       }
 
@@ -153,7 +157,7 @@ export function MiniOscilloscope() {
   return (
     <div 
       onClick={handleClick}
-      className="fixed bottom-4 left-1/2 -translate-x-1/2 w-[350px] md:w-[500px] h-[70px] z-50 cursor-pointer group"
+      className="fixed bottom-6 left-1/2 -translate-x-1/2 w-[400px] md:w-[600px] h-[80px] z-50 cursor-pointer group"
       title="Open Oscilloscope"
     >
       <div className="relative w-full h-full rounded-lg border border-primary/50 overflow-hidden bg-background/80 backdrop-blur-sm transition-all duration-300 group-hover:border-primary group-hover:shadow-[0_0_20px_hsl(var(--primary)/0.4)]">

src/components/OscilloscopeDisplay.tsx

@@ -1,6 +1,7 @@
 import { useEffect, useRef, useCallback } from 'react';
 import type { AudioData } from '@/hooks/useAudioAnalyzer';
 import type { OscilloscopeMode } from '@/hooks/useOscilloscopeRenderer';
+import { useAudioAnalyzer as useSharedAudioAnalyzer } from '@/contexts/AudioAnalyzerContext';
 
 interface OscilloscopeDisplayProps {
   audioData: AudioData | null;
@@ -33,6 +34,10 @@ export function OscilloscopeDisplay({
   const animationRef = useRef<number | null>(null);
   const currentSampleRef = useRef(0);
   const lastSeekPositionRef = useRef(0);
+  const { analyzerNode: sharedAnalyzer } = useSharedAudioAnalyzer();
+  
+  // Use shared analyzer for live audio (music player, sound effects)
+  const liveAnalyzer = sharedAnalyzer || micAnalyzer;
 
   const drawGraticule = useCallback((ctx: CanvasRenderingContext2D) => {
     ctx.strokeStyle = '#00ff00';
@@ -52,7 +57,11 @@ export function OscilloscopeDisplay({
   }, []);
 
   const drawFrame = useCallback(() => {
-    if ((!audioData && !micAnalyzer) || !canvasRef.current) return;
+    if (!canvasRef.current) return;
+    
+    // Always allow drawing if we have live analyzer, even without audioData
+    const hasLiveSource = liveAnalyzer || micAnalyzer;
+    if (!audioData && !hasLiveSource) return;
 
     const canvas = canvasRef.current;
     const ctx = canvas.getContext('2d');
@@ -63,23 +72,33 @@ export function OscilloscopeDisplay({
     let endSample: number;
     let samplesToAdvance: number = samplesPerFrame;
 
-    if (micAnalyzer) {
+    // Priority: micAnalyzer > liveAnalyzer (shared) > audioData (file)
-      // Real-time microphone data
+    const activeAnalyzer = micAnalyzer || liveAnalyzer;
-      const bufferLength = micAnalyzer.frequencyBinCount;
+    
+    if (activeAnalyzer && !audioData) {
+      // Real-time audio data (mic or music player)
+      const bufferLength = activeAnalyzer.frequencyBinCount;
       const dataArray = new Uint8Array(bufferLength);
-      micAnalyzer.getByteTimeDomainData(dataArray);
+      activeAnalyzer.getByteTimeDomainData(dataArray);
+
+      // Clear to pure black
+      ctx.fillStyle = '#000000';
+      ctx.fillRect(0, 0, WIDTH, HEIGHT);
+
+      // Draw graticule first
+      drawGraticule(ctx);
 
       // Convert to Float32Array-like for consistency
-      const micData = new Float32Array(dataArray.length);
+      const liveData = new Float32Array(dataArray.length);
       for (let i = 0; i < dataArray.length; i++) {
-        micData[i] = (dataArray[i] - 128) / 128; // Normalize to -1 to 1
+        liveData[i] = (dataArray[i] - 128) / 128; // Normalize to -1 to 1
       }
 
-      samplesPerFrame = micData.length;
+      samplesPerFrame = liveData.length;
       startSample = 0;
-      endSample = micData.length;
+      endSample = liveData.length;
 
-      // Draw mic data directly
+      // Draw live data directly
       ctx.strokeStyle = '#00ff00';
       ctx.lineWidth = 2;
       ctx.beginPath();
@@ -88,7 +107,7 @@ export function OscilloscopeDisplay({
       let x = 0;
 
       for (let i = 0; i < samplesPerFrame; i++) {
-        const v = micData[i];
+        const v = liveData[i];
         const y = (v * HEIGHT) / 2 + HEIGHT / 2;
 
         if (i === 0) {
@@ -102,16 +121,14 @@ export function OscilloscopeDisplay({
 
       ctx.stroke();
 
-      // Draw graticule
-      drawGraticule(ctx);
-
       // Request next frame for real-time
-      if (isPlaying) {
       animationRef.current = requestAnimationFrame(drawFrame);
-      }
       return;
     }
     
+    // File playback mode - need audioData
+    if (!audioData) return;
+
     // File playback mode
     const baseSamplesPerFrame = Math.floor(audioData.sampleRate / FPS);
     samplesPerFrame = Math.floor(baseSamplesPerFrame * playbackSpeed);
@@ -274,7 +291,7 @@ export function OscilloscopeDisplay({
     }
 
     animationRef.current = requestAnimationFrame(drawFrame);
-  }, [audioData, micAnalyzer, mode, drawGraticule, onPlaybackEnd, isPlaying, playbackSpeed, isLooping, seekPosition]);
+  }, [audioData, micAnalyzer, liveAnalyzer, mode, drawGraticule, onPlaybackEnd, isPlaying, playbackSpeed, isLooping, seekPosition]);
 
   // Initialize canvas
   useEffect(() => {
@@ -288,11 +305,17 @@ export function OscilloscopeDisplay({
     }
   }, [drawGraticule]);
 
-  // Handle playback
+  // Handle playback - start animation for file playback or live audio
   useEffect(() => {
+    const hasLiveSource = liveAnalyzer || micAnalyzer;
+    
     if (isPlaying && audioData) {
+      // File playback
       currentSampleRef.current = 0;
       animationRef.current = requestAnimationFrame(drawFrame);
+    } else if (hasLiveSource && !audioData) {
+      // Live audio visualization (music player, sound effects)
+      animationRef.current = requestAnimationFrame(drawFrame);
     } else {
       if (animationRef.current) {
         cancelAnimationFrame(animationRef.current);
@@ -304,7 +327,7 @@ export function OscilloscopeDisplay({
         cancelAnimationFrame(animationRef.current);
       }
     };
-  }, [isPlaying, audioData, drawFrame]);
+  }, [isPlaying, audioData, liveAnalyzer, micAnalyzer, drawFrame]);
 
   const getModeLabel = () => {
     switch (mode) {
@@ -338,8 +361,8 @@ export function OscilloscopeDisplay({
           {getModeLabel()}
         </div>
         
-        {/* Idle state */}
+        {/* Idle state - only show if no live audio and no file */}
-        {!audioData && !isPlaying && (
+        {!audioData && !liveAnalyzer && !micAnalyzer && (
           <div className="absolute inset-0 flex items-center justify-center">
             <p className="font-crt text-2xl text-primary/40 text-glow animate-pulse">
               NO SIGNAL