feat: Expand supported image and audio formats, update UI color palette, and refresh application assets.

src/workers/audio.worker.ts

@@ -7,7 +7,10 @@ import * as Comlink from 'comlink';
 import { FFmpeg } from '@ffmpeg/ffmpeg';
 import { toBlobURL } from '@ffmpeg/util';
 
-type AudioFormat = 'mp3' | 'wav' | 'ogg' | 'm4a' | 'flac';
+// All supported audio formats
+type AudioFormat = 
+  | 'mp3' | 'wav' | 'ogg' | 'm4a' | 'flac'
+  | 'aac' | 'aiff' | 'alac' | 'wma' | 'opus' | 'm4r' | 'amr';
 
 let ffmpeg: FFmpeg | null = null;
 let ffmpegLoading: Promise<void> | null = null;
@@ -30,6 +33,8 @@ async function ensureFFmpegLoaded(): Promise<FFmpeg> {
       coreURL: await toBlobURL(`${baseURL}/ffmpeg-core.js`, 'text/javascript'),
       wasmURL: await toBlobURL(`${baseURL}/ffmpeg-core.wasm`, 'application/wasm'),
     });
+    
+    console.log('[AudioWorker] FFmpeg WASM initialized');
   })();
 
   await ffmpegLoading;
@@ -42,34 +47,66 @@ function getFFmpegArgs(
   bitrate?: number
 ): string[] {
   const args: string[] = [];
+  const br = bitrate || 192;
 
   // Codec selection based on output format
   switch (outputFormat) {
     case 'mp3':
       args.push('-c:a', 'libmp3lame');
-      args.push('-b:a', `${bitrate || 192}k`);
+      args.push('-b:a', `${br}k`);
       break;
     case 'wav':
       args.push('-c:a', 'pcm_s16le');
       break;
     case 'ogg':
       args.push('-c:a', 'libvorbis');
-      args.push('-q:a', '4'); // Quality level 0-10
+      args.push('-q:a', '4');
       break;
     case 'm4a':
       args.push('-c:a', 'aac');
-      args.push('-b:a', `${bitrate || 192}k`);
+      args.push('-b:a', `${br}k`);
       break;
     case 'flac':
       args.push('-c:a', 'flac');
       args.push('-compression_level', '5');
       break;
+    case 'aac':
+      args.push('-c:a', 'aac');
+      args.push('-b:a', `${br}k`);
+      break;
+    case 'aiff':
+      args.push('-c:a', 'pcm_s16be');
+      break;
+    case 'alac':
+      // ALAC in M4A container
+      args.push('-c:a', 'alac');
+      break;
+    case 'wma':
+      args.push('-c:a', 'wmav2');
+      args.push('-b:a', `${br}k`);
+      break;
+    case 'opus':
+      args.push('-c:a', 'libopus');
+      args.push('-b:a', `${br}k`);
+      break;
+    case 'm4r':
+      // M4R is just AAC with different extension (iPhone ringtones)
+      args.push('-c:a', 'aac');
+      args.push('-b:a', `${br}k`);
+      break;
+    case 'amr':
+      args.push('-c:a', 'libopencore_amrnb');
+      args.push('-ar', '8000'); // AMR requires 8kHz sample rate
+      args.push('-ac', '1');    // AMR is mono only
+      break;
   }
 
   return args;
 }
 
 function getExtension(format: AudioFormat): string {
+  // ALAC uses m4a container
+  if (format === 'alac') return 'm4a';
   return format;
 }
 
@@ -80,11 +117,31 @@ function getMimeType(format: AudioFormat): string {
     ogg: 'audio/ogg',
     m4a: 'audio/mp4',
     flac: 'audio/flac',
+    aac: 'audio/aac',
+    aiff: 'audio/aiff',
+    alac: 'audio/x-m4a',
+    wma: 'audio/x-ms-wma',
+    opus: 'audio/opus',
+    m4r: 'audio/x-m4r',
+    amr: 'audio/amr',
   };
   return mimeMap[format];
 }
 
 const audioConverter = {
+  /**
+   * Initialize the worker (can be called early to warm up)
+   */
+  async init(): Promise<boolean> {
+    try {
+      await ensureFFmpegLoaded();
+      return true;
+    } catch (error) {
+      console.error('[AudioWorker] Init failed:', error);
+      return false;
+    }
+  },
+
   /**
    * Convert audio file using FFmpeg
    */