Update server.js

server.js

@@ -29,51 +29,60 @@ const upload = multer({
   limits: { fileSize: 50 * 1024 * 1024 }
 });
 
-// 🚀 OPTIMIZED EFFECTS - Fast Processing
+// 🎵 DISTINCT CHARACTER EFFECTS - Each with unique feel
 const EFFECTS = {
   lofi: {
     name: "LoFi Hip Hop",
-    command: `-filter_complex "[0:a]asetrate=44100*0.92,atempo=1.087,lowpass=f=4200,highpass=f=85,bass=g=6:f=95,treble=g=-4:f=8000,equalizer=f=250:width=180:g=-2.5,equalizer=f=1000:width=500:g=1.5,acompressor=threshold=-22dB:ratio=3.5:attack=8:release=140,vibrato=f=0.22:d=0.45,aecho=0.55:0.68:48:0.28,extrastereo=m=1.5,volume=1.15[out]" -map "[out]" -ar 44100 -b:a 192k`
+    description: "Vintage warmth, breathing bass, vinyl crackle feel",
+    command: `-af "asetrate=44100*0.88,aresample=44100,bass=g=8:f=85:width_type=h:width=100,treble=g=-6:f=8000,equalizer=f=200:t=q:width=1.5:g=-3,equalizer=f=800:t=q:width=2:g=2,equalizer=f=3000:t=q:width=3:g=-4,acompressor=threshold=-20dB:ratio=4:attack=5:release=100:makeup=4,vibrato=f=0.3:d=0.6,chorus=0.5:0.9:50:0.4:0.25:2,highpass=f=60,lowpass=f=3800,volume=1.3" -ar 44100 -b:a 192k`
   },
   
   slowed_reverb: {
     name: "Slowed + Reverb",
-    command: `-filter_complex "[0:a]atempo=0.82,asetrate=44100*0.93,lowpass=f=6000,highpass=f=70,bass=g=5:f=85,aecho=0.75:0.82:75:0.38,aecho=0.65:0.75:145:0.28,reverb=roomsize=0.92:wetlevel=0.48,chorus=0.6:0.85:52:0.38:0.22:2,acompressor=threshold=-18dB:ratio=2.8:attack=12:release=180,extrastereo=m=1.8,volume=1.25[out]" -map "[out]" -ar 44100 -b:a 192k`
+    description: "Deep slow tempo, cathedral reverb, dreamy space",
+    command: `-af "atempo=0.75,asetrate=44100*0.90,aresample=44100,bass=g=6:f=80:width_type=h:width=120,reverb=roomsize=0.95:time=8:wetlevel=0.5:drylevel=0.5,aecho=0.8:0.88:120:0.4,aecho=0.7:0.78:200:0.3,equalizer=f=100:t=q:width=2:g=5,equalizer=f=4000:t=q:width=4:g=-5,chorus=0.6:0.9:55:0.4:0.25:2,acompressor=threshold=-16dB:ratio=2.5:attack=15:release=200:makeup=2,highpass=f=50,lowpass=f=6500,volume=1.4" -ar 44100 -b:a 192k`
   },
   
   nightcore: {
     name: "Nightcore",
-    command: `-filter_complex "[0:a]atempo=1.28,asetrate=44100*1.12,highpass=f=120,treble=g=5:f=6000,equalizer=f=4000:width=2000:g=3.5,equalizer=f=8000:width=3000:g=4,acompressor=threshold=-16dB:ratio=3.2:attack=4:release=35,crystalizer=i=1.5,extrastereo=m=1.7,volume=1.28[out]" -map "[out]" -ar 44100 -b:a 192k`
+    description: "High energy, bright sparkle, anime vocals",
+    command: `-af "atempo=1.35,asetrate=44100*1.20,aresample=44100,treble=g=8:f=5000:width_type=h:width=3000,bass=g=-4:f=100,equalizer=f=2000:t=q:width=2:g=3,equalizer=f=6000:t=q:width=3:g=5,equalizer=f=10000:t=q:width=4:g=6,acompressor=threshold=-14dB:ratio=4:attack=2:release=25:makeup=5,crystalizer=i=2:c=1,highpass=f=150,volume=1.4" -ar 44100 -b:a 192k`
   },
   
   vaporwave: {
     name: "Vaporwave",
-    command: `-filter_complex "[0:a]asetrate=44100*0.87,atempo=1.15,lowpass=f=5500,highpass=f=90,equalizer=f=400:width=250:g=3.5,equalizer=f=2500:width=1500:g=-1.5,aphaser=in_gain=0.65:out_gain=0.82:delay=4.5:decay=0.55:speed=0.32,chorus=0.68:0.88:58:0.42:0.28:2,vibrato=f=0.18:d=0.5,reverb=roomsize=0.72:wetlevel=0.38,aecho=0.5:0.65:85:0.25,acompressor=threshold=-20dB:ratio=3:attack=10:release=100,extrastereo=m=1.6,volume=1.18[out]" -map "[out]" -ar 44100 -b:a 192k`
+    description: "Retro aesthetic, dreamy pitch, nostalgic vibe",
+    command: `-af "asetrate=44100*0.82,aresample=44100,equalizer=f=300:t=q:width=2:g=5,equalizer=f=1500:t=q:width=3:g=-2,equalizer=f=6000:t=q:width=4:g=-5,aphaser=in_gain=0.6:out_gain=0.8:delay=5:decay=0.6:speed=0.25,chorus=0.7:0.9:60:0.45:0.3:3,vibrato=f=0.15:d=0.6,reverb=roomsize=0.75:time=6:wetlevel=0.4:drylevel=0.6,acompressor=threshold=-18dB:ratio=3:attack=12:release=150:makeup=2,highpass=f=70,lowpass=f=5000,volume=1.2" -ar 44100 -b:a 192k`
   },
   
   "8d_audio": {
     name: "8D Audio",
-    command: `-filter_complex "[0:a]apulsator=hz=0.085:mode=sine:width=0.92,extrastereo=m=2.8,aecho=0.72:0.85:65:0.38,haas,bass=g=3:f=90,reverb=roomsize=0.65:wetlevel=0.32,acompressor=threshold=-18dB:ratio=2.5:attack=8:release=90,volume=1.12[out]" -map "[out]" -ar 44100 -b:a 192k`
+    description: "360° rotation, immersive headphone experience",
+    command: `-af "apulsator=hz=0.08:mode=sine:width=0.95,extrastereo=m=3.5:c=1,aecho=0.8:0.9:80:0.4,aecho=0.7:0.8:140:0.3,haas=level_in=1:level_out=1.2:side_gain=1:middle_source=mid,bass=g=4:f=85,reverb=roomsize=0.7:time=5:wetlevel=0.35:drylevel=0.65,acompressor=threshold=-16dB:ratio=2.5:attack=8:release=80:makeup=2,highpass=f=60,volume=1.15" -ar 44100 -b:a 192k`
   },
   
   bass_boosted: {
     name: "Bass Boosted",
-    command: `-filter_complex "[0:a]bass=g=18:f=95,bass=g=12:f=65,equalizer=f=45:width=35:g=10,equalizer=f=100:width=80:g=9,equalizer=f=250:width=150:g=6,acompressor=threshold=-24dB:ratio=6:attack=4:release=45,extrastereo=m=1.4,volume=1.15[out]" -map "[out]" -ar 44100 -b:a 192k`
+    description: "Maximum sub-bass, car audio punch",
+    command: `-af "bass=g=20:f=60:width_type=o:width=1.5,bass=g=15:f=100:width_type=h:width=80,equalizer=f=40:t=q:width=1.2:g=12,equalizer=f=80:t=q:width=1.5:g=10,equalizer=f=150:t=q:width=2:g=8,equalizer=f=500:t=q:width=2:g=-3,equalizer=f=4000:t=q:width=4:g=-6,acompressor=threshold=-22dB:ratio=8:attack=3:release=40:makeup=8,highpass=f=30,volume=1.2" -ar 44100 -b:a 192k`
   },
   
   ambient: {
     name: "Ambient Chill",
-    command: `-filter_complex "[0:a]asetrate=44100*0.96,atempo=1.042,lowpass=f=7000,highpass=f=60,equalizer=f=2000:width=1500:g=-2.5,reverb=roomsize=0.95:wetlevel=0.55,chorus=0.65:0.88:48:0.42:0.25:3,aecho=0.6:0.75:150:0.32,aphaser=in_gain=0.45:out_gain=0.72:delay=3.8:decay=0.48:speed=0.38,acompressor=threshold=-20dB:ratio=2.2:attack=15:release=200,extrastereo=m=1.8,volume=1.08[out]" -map "[out]" -ar 44100 -b:a 192k`
+    description: "Ethereal space, long reverb tails, meditation",
+    command: `-af "asetrate=44100*0.94,aresample=44100,reverb=roomsize=0.98:time=10:wetlevel=0.6:drylevel=0.4,aecho=0.6:0.75:180:0.35,aecho=0.5:0.65:320:0.25,aecho=0.4:0.55:500:0.15,chorus=0.65:0.9:48:0.45:0.28:4,aphaser=in_gain=0.4:out_gain=0.7:delay=4:decay=0.5:speed=0.3,equalizer=f=1500:t=q:width=3:g=-3,equalizer=f=6000:t=q:width=4:g=-6,acompressor=threshold=-18dB:ratio=2:attack=20:release=250:makeup=1.5,highpass=f=50,lowpass=f=8000,volume=1.0" -ar 44100 -b:a 192k`
   },
   
   tiktok_lofi: {
     name: "TikTok LoFi",
-    command: `-filter_complex "[0:a]asetrate=44100*0.90,atempo=1.111,lowpass=f=4500,highpass=f=80,bass=g=7:f=90,equalizer=f=900:width=450:g=2,equalizer=f=7500:width=2500:g=-5,acompressor=threshold=-20dB:ratio=4:attack=6:release=120,vibrato=f=0.25:d=0.5,aphaser=in_gain=0.6:out_gain=0.88:delay=2.5:decay=0.5:speed=0.45,aecho=0.6:0.72:45:0.3,extrastereo=m=1.65,volume=1.22[out]" -map "[out]" -ar 44100 -b:a 192k`
+    description: "Viral TikTok style, punchy bass, modern lofi",
+    command: `-af "asetrate=44100*0.86,aresample=44100,bass=g=9:f=90:width_type=h:width=100,treble=g=-7:f=7500,equalizer=f=180:t=q:width=1.8:g=-2.5,equalizer=f=750:t=q:width=2.5:g=3,equalizer=f=2800:t=q:width=3:g=-3,acompressor=threshold=-18dB:ratio=5:attack=4:release=90:makeup=5,vibrato=f=0.28:d=0.65,aphaser=in_gain=0.65:out_gain=0.85:delay=2.2:decay=0.55:speed=0.5,chorus=0.55:0.85:45:0.35:0.22:2,highpass=f=65,lowpass=f=4200,volume=1.35" -ar 44100 -b:a 192k`
   },
   
   chill_lofi: {
     name: "Chill LoFi",
-    command: `-filter_complex "[0:a]asetrate=44100*0.94,atempo=1.064,lowpass=f=4800,highpass=f=75,bass=g=5:f=88,treble=g=-3.5:f=7500,equalizer=f=1200:width=600:g=1.2,acompressor=threshold=-21dB:ratio=3:attack=10:release=150,vibrato=f=0.2:d=0.42,aecho=0.5:0.65:55:0.25,reverb=roomsize=0.55:wetlevel=0.28,extrastereo=m=1.5,volume=1.12[out]" -map "[out]" -ar 44100 -b:a 192k`
+    description: "Study beats, relaxing, smooth jazzy feel",
+    command: `-af "asetrate=44100*0.92,aresample=44100,bass=g=6:f=88:width_type=h:width=90,treble=g=-5:f=7000,equalizer=f=250:t=q:width=2:g=-2,equalizer=f=1000:t=q:width=2.5:g=1.5,equalizer=f=3500:t=q:width=3:g=-3,acompressor=threshold=-19dB:ratio=3.5:attack=8:release=130:makeup=3,vibrato=f=0.18:d=0.5,chorus=0.45:0.85:48:0.3:0.2:2,reverb=roomsize=0.6:time=4:wetlevel=0.3:drylevel=0.7,highpass=f=70,lowpass=f=4500,volume=1.2" -ar 44100 -b:a 192k`
   }
 };
 
@@ -81,13 +90,14 @@ const EFFECTS = {
 app.get('/', (req, res) => {
   res.json({
     status: 'online',
-    message: '🎵 LoFi Remix API v2.0 - Optimized',
-    version: '2.0',
-    performance: 'Fast processing with filter_complex',
+    message: '🎵 LoFi Remix API v2.1 - Distinct Character',
+    version: '2.1',
+    performance: 'Optimized with unique character per effect',
     total_effects: Object.keys(EFFECTS).length,
     available_effects: Object.keys(EFFECTS).map(key => ({
       id: key,
-      name: EFFECTS[key].name
+      name: EFFECTS[key].name,
+      description: EFFECTS[key].description
     })),
     endpoints: {
       health: 'GET /',
@@ -104,7 +114,8 @@ app.get('/effects', (req, res) => {
     total: Object.keys(EFFECTS).length,
     effects: Object.keys(EFFECTS).map(key => ({
       id: key,
-      name: EFFECTS[key].name
+      name: EFFECTS[key].name,
+      description: EFFECTS[key].description
     }))
   });
 });
@@ -135,17 +146,16 @@ app.post('/process', upload.single('audio'), async (req, res) => {
     const outputPath = path.join(outputsDir, outputFilename);
 
     console.log(`🎵 Processing: ${EFFECTS[effectType].name}`);
+    console.log(`📝 ${EFFECTS[effectType].description}`);
 
     const effectCommand = EFFECTS[effectType].command;
-    
-    // Optimized FFmpeg command with faster settings
     const ffmpegCommand = `ffmpeg -i "${inputPath}" -threads 0 ${effectCommand} -y "${outputPath}"`;
 
     console.log(`⚙️ Starting FFmpeg...`);
 
     const startTime = Date.now();
     await execPromise(ffmpegCommand, {
-      maxBuffer: 50 * 1024 * 1024 // 50MB buffer
+      maxBuffer: 50 * 1024 * 1024
     });
     const processingTime = ((Date.now() - startTime) / 1000).toFixed(2);
 
@@ -163,7 +173,8 @@ app.post('/process', upload.single('audio'), async (req, res) => {
       filename: outputFilename,
       effect: {
         id: effectType,
-        name: EFFECTS[effectType].name
+        name: EFFECTS[effectType].name,
+        description: EFFECTS[effectType].description
       },
       output: {
         size_kb: fileSizeKB
@@ -214,11 +225,11 @@ app.get('/download/:filename', (req, res) => {
 
 // 🚀 Start Server
 app.listen(PORT, '0.0.0.0', () => {
-  console.log('═══════════════════════════════════════');
-  console.log('🚀 LoFi Remix API v2.0 - OPTIMIZED');
-  console.log('═══════════════════════════════════════');
+  console.log('═══════════════════════════════════════════════');
+  console.log('🚀 LoFi Remix API v2.1 - DISTINCT CHARACTER');
+  console.log('═══════════════════════════════════════════════');
   console.log(`📍 Server: http://0.0.0.0:${PORT}`);
-  console.log(`⚡ Performance: Fast processing enabled`);
-  console.log(`🎵 Effects: ${Object.keys(EFFECTS).length}`);
-  console.log('═══════════════════════════════════════');
+  console.log(`⚡ Performance: Fast + Unique per effect`);
+  console.log(`🎵 Effects: ${Object.keys(EFFECTS).length} distinct styles`);
+  console.log('═══════════════════════════════════════════════');
 });