Flawless mp3 loops - switch to kepstin's mpg123.js.

gulpfile.js

@@ -32,7 +32,7 @@ gulp.task('css', function(){
 });
 
 gulp.task("audio", function () {
-  gulp.src(["src/js/audio/aurora.js", "src/js/audio/mp3.js"])
+  gulp.src(["src/js/audio/aurora.js", "src/js/audio/mpg123.js"])
   .pipe(concat("audio-min.js"))
   .pipe(uglify())
   .pipe(gulp.dest("lib"));

lib/workers/audio-worker.js

@@ -1,28 +1,15 @@
 var window = self;
 importScripts('../audio-min.js');
 
-// Flash value
+var deinterleave = function(buffer, asset) {
-var LAME_DELAY_START = 2258;
-var LAME_DELAY_END = 0;
-
-var deinterleaveAndTrim = function(buffer, asset) {
     var channels = asset.format.channelsPerFrame,
-        len = buffer.length / channels,
+        len = buffer.length / channels;
-        newLen, start;
 
-    // because MP3 is bad, we nuke silence
+    var result = new Float32Array(len * channels);
-    if(asset.format.formatID == "mp3") {
-        newLen = len - LAME_DELAY_START - LAME_DELAY_END;
-        start = LAME_DELAY_START;
-    } else {
-        newLen = len;
-        start = 0;
-    }
-    var result = new Float32Array(newLen * channels);
 
-    for(var sample = 0; sample < newLen; sample++) {
+    for(var sample = 0; sample < len; sample++) {
         for(var channel = 0; channel < channels; channel++) {
-            result[channel*newLen + sample] = buffer[(sample+start)*channels + channel];
+            result[channel*len + sample] = buffer[(sample)*channels + channel];
         }
     }
     return result;
@@ -51,7 +38,7 @@ self.addEventListener('message', function(e) {
     });
     
     asset.decodeToBuffer(function(buffer) {
-        var fixedBuffer = deinterleaveAndTrim(buffer, asset);
+        var fixedBuffer = deinterleave(buffer, asset);
         var raw = {array: fixedBuffer,
                    sampleRate: asset.format.sampleRate,
                    channels: asset.format.channelsPerFrame}