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" 13SUITE = 'audio' 14TIME= 'SHORT' 15TEST_CATEGORY = 'PLAYBACKCAPTURE' 16TEST_CLASS = "audio" 17TEST_TYPE = 'client' 18DEPENDENCIES = 'audio_loopback_dongle' 19 20DOC = """ 21Test that audio loopback latency is within certain limit. 22 23NOTE: For this test to pass you need to have the line out looped back to mic-in. 24This can be through a 3.5mm male-to-male cable or a loopback dongle depending on 25your device. 26""" 27 28job.run_test('audio_LoopbackLatency') 29