| <!doctype html> |
| <meta charset="utf-8"> |
| <title>AudioBuffer can be reused between AudioBufferSourceNodes</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| function render_audio_context() { |
| let sampleRate = 44100; |
| let context = new OfflineAudioContext( |
| 2, sampleRate * 0.1, sampleRate); |
| let buf = context.createBuffer(1, 0.1 * sampleRate, context.sampleRate); |
| let data = buf.getChannelData(0); |
| data[0] = 0.5; |
| data[1] = 0.25; |
| let b1 = context.createBufferSource(); |
| b1.buffer = buf; |
| b1.start(); |
| let b2 = context.createBufferSource(); |
| b2.buffer = buf; |
| b2.start(); |
| let merger = context.createChannelMerger(2); |
| b1.connect(merger, 0, 0); |
| b2.connect(merger, 0, 1); |
| merger.connect(context.destination); |
| return context.startRendering(); |
| } |
| promise_test(function() { |
| return render_audio_context() |
| .then(function(buffer) { |
| assert_equals(buffer.getChannelData(0)[0], 0.5); |
| assert_equals(buffer.getChannelData(1)[0], 0.5); |
| assert_equals(buffer.getChannelData(0)[1], 0.25); |
| assert_equals(buffer.getChannelData(1)[1], 0.25); |
| }); |
| }, "AudioBuffer can be reused between AudioBufferSourceNodes"); |
| </script> |
