1# Copyright (c) 2012 The Chromium OS Authors. All rights reserved. 2# Use of this source code is governed by a BSD-style license that can be 3# found in the LICENSE file. 4 5AUTHOR = 'Chromium OS Audiovideo Team' 6NAME = 'audio_LoopbackLatency' 7PURPOSE = 'Test that audio loopback latency' 8CRITERIA = """ 9Check if the audio played to line out can be heard mic in, and assert 10the latency is within certain limit. 11""" 12ATTRIBUTES = "suite:audio" 13TIME= 'SHORT' 14TEST_CATEGORY = 'PLAYBACKCAPTURE' 15TEST_CLASS = "audio" 16TEST_TYPE = 'client' 17DEPENDENCIES = 'audio_loopback_dongle' 18 19DOC = """ 20Test that audio loopback latency is within certain limit. 21 22NOTE: For this test to pass you need to have the line out looped back to mic-in. 23This can be through a 3.5mm male-to-male cable or a loopback dongle depending on 24your device. 25""" 26 27job.run_test('audio_LoopbackLatency') 28