Audio Data API: Difference between revisions

Audio Data API (view source)

479 bytes added , 2 June 2010

Confirmed users

656

edits

@@ Line 290: / Line 290: @@
 var a1 = document.getElementById('a1'),
      a2 = new Audio(),
+    buffer = [];
 function loadedMetadata(event) {
@@ Line 299: / Line 300: @@
 function audioWritten(event) {
-   // Write the current frame to a2
+  // Clear audio buffer first
-   a2.mozWriteAudio(event.mozFrameBuffer);
+  while (buffer.length > 0) {
+    var bufferedAudio = buffer.splice(0);
+    buffer.length = 0;
+    writeAudio(bufferedAudio);
+  }
+   // Write the current framebuffer
+  var frameBuffer = event.mozFrameBuffer;
+  writeAudio(frameBuffer);
+}
+function writeAudio(audio) {
+   var written = a2.mozWriteAudio(audio);
+  // If all data wasn't written, buffer it:
+  if (written < audio.length) {
+    var extra = audio.length - written;
+    for (var i=0; i<extra; i++) {
+      buffer.push(audio[written + i]);
+    }
+  }
 }
 </script>