comparison js/core.js @ 2500:32366178b6a8

Fix for #147 and #13

             }
         }
         // Extract the audio and zero-pad
         for (var ao of this.audioObjects) {
             var lengthDiff = length - ao.buffer.buffer.length;
-            ao.buffer = ao.buffer.copyBuffer(0, samplesToSeconds(lengthDiff, ao.buffer.buffer.sampleRate));
+            if (lengthDiff > 0) {
+                ao.buffer.buffer = ao.buffer.copyBuffer(0, samplesToSeconds(lengthDiff, ao.buffer.buffer.sampleRate));
+            }
         }
     };
 
     this.bufferReady = function (id) {
         if (this.checkAllReady()) {

         var preSilenceTime = this.specification.preSilence || this.specification.parent.preSilence || specification.preSilence || 0.0;
         var postSilenceTime = this.specification.postSilence || this.specification.parent.postSilence || specification.postSilence || 0.0;
         var startTime = this.specification.startTime;
         var stopTime = this.specification.stopTime;
         var copybuffer = new callee.constructor();
-        if (isFinite(startTime) || isFinite(stopTime)) {
-            copybuffer.buffer = callee.cropBuffer(startTime, stopTime);
-        }
+
+        copybuffer.buffer = callee.cropBuffer(startTime || 0, stopTime || callee.buffer.duration);
         if (preSilenceTime != 0 || postSilenceTime != 0) {
-            if (copybuffer.buffer == undefined) {
-                copybuffer.buffer = callee.copyBuffer(preSilenceTime, postSilenceTime);
-            } else {
-                copybuffer.buffer = copybuffer.copyBuffer(preSilenceTime, postSilenceTime);
-            }
-        }
+            copybuffer.buffer = copybuffer.copyBuffer(preSilenceTime, postSilenceTime);
+        }
+
+        copybuffer.lufs = callee.buffer.lufs;
+        this.buffer = copybuffer;
 
         var targetLUFS = this.specification.parent.loudness || specification.loudness;
         if (typeof targetLUFS === "number" && isFinite(targetLUFS)) {
             this.buffer.buffer.playbackGain = decibelToLinear(targetLUFS - this.buffer.buffer.lufs);
         } else {