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# Lint as: python2, python3
# # Copyright 2020 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging
import time
from autotest_lib.client.common_lib.cros import chrome
from autotest_lib.client.cros.input_playback import keyboard
from autotest_lib.client.cros.power import power_status
from autotest_lib.client.cros.power import power_test
class power_VideoEncode(power_test.power_Test):
"""class for power_VideoEncode test."""
version = 1
video_url = 'https://crospower.page.link/power_VideoEncode'
formats = [
# Video call with fewer participants.
('vp9', 'hd', 24),
('vp9', 'vga', 24),
('vp9', 'qvga', 24),
('vp8', 'hd', 24),
('vp8', 'vga', 24),
('vp8', 'qvga', 24),
('h264', 'hd', 24),
('h264', 'vga', 24),
# Video call with more participants.
('vp9', 'hvga', 24),
('vp9', 'qhvga', 20),
('vp8', 'hvga', 24),
('vp8', 'qhvga', 15),
# Higher resolution video
('vp9', 'fhd', 24),
('vp8', 'fhd', 24),
('h264', 'fhd', 24),
# AV1 for informational
('av1', 'hvga', 24),
('av1', 'qhvga', 15),
]
def run_once(self, seconds_per_test=120, format=formats):
"""run_once method.
@param seconds_per_test: time in seconds for each subtest.
@param format: list of formats to test.
Format is tuple of codec, resolution and framerate.
"""
extra_browser_args = self.get_extra_browser_args_for_camera_test()
# b/228256145 to avoid powerd restart
extra_browser_args.append('--disable-features=FirmwareUpdaterApp')
with chrome.Chrome(init_network_controller=True,
extra_browser_args=extra_browser_args) as cr:
tab = cr.browser.tabs[0]
tab.Activate()
# Just measure power in full-screen.
fullscreen = tab.EvaluateJavaScript('document.webkitIsFullScreen')
if not fullscreen:
with keyboard.Keyboard() as keys:
keys.press_key('f4')
# Stop services again as Chrome might have restarted them.
self._services.stop_services()
url = self.video_url
tab.Navigate(url)
tab.WaitForDocumentReadyStateToBeComplete()
video_init_time = power_status.VideoFpsLogger.time_until_ready(tab)
self.keyvals['video_init_time'] = video_init_time
self._vlog = power_status.VideoFpsLogger(tab,
seconds_period=self._seconds_period,
checkpoint_logger=self._checkpoint_logger)
self._meas_logs.append(self._vlog)
loop = 0
self.start_measurements()
for codec, resolution, fps in format:
tagname = '%s_%s_%sfps' % (codec, resolution, fps)
js = 'changeFormat("%s", "%s", %d)' % (codec, resolution, fps)
logging.info(js)
tab.EvaluateJavaScript(js)
loop_start = time.time()
self.loop_sleep(loop, seconds_per_test)
self.checkpoint_measurements(tagname, loop_start)
loop += 1
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