# Copyright 2018 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 os
import time
from autotest_lib.client.bin import utils
from autotest_lib.client.common_lib import file_utils
from autotest_lib.client.common_lib.cros import chrome
from autotest_lib.client.cros.audio import audio_helper
from autotest_lib.client.cros.input_playback import keyboard
from autotest_lib.client.cros.power import power_test
class power_VideoPlayback(power_test.power_Test):
"""class for power_VideoPlayback test.
"""
version = 1
_BASE_URL='http://commondatastorage.googleapis.com/chromiumos-test-assets-public/tast/cros/video/perf/'
# list of video name and url.
_VIDEOS = [
('h264_1080_30fps',
_BASE_URL + 'h264/1080p_30fps_300frames_20181225.h264.mp4'
),
('h264_1080_60fps',
_BASE_URL + 'h264/1080p_60fps_600frames_20181225.h264.mp4'
),
('h264_4k_30fps',
_BASE_URL + 'h264/2160p_30fps_300frames_20181225.h264.mp4'
),
('h264_4k_60fps',
_BASE_URL + 'h264/2160p_60fps_600frames_20181225.h264.mp4'
),
('vp8_1080_30fps',
_BASE_URL + 'vp8/1080p_30fps_300frames_20181225.vp8.webm'
),
('vp8_1080_60fps',
_BASE_URL + 'vp8/1080p_60fps_600frames_20181225.vp8.webm'
),
('vp8_4k_30fps',
_BASE_URL + 'vp8/2160p_30fps_300frames_20181225.vp8.webm'
),
('vp8_4k_60fps',
_BASE_URL + 'vp8/2160p_60fps_600frames_20181225.vp8.webm'
),
('vp9_1080_30fps',
_BASE_URL + 'vp9/1080p_30fps_300frames_20181225.vp9.webm'
),
('vp9_1080_60fps',
_BASE_URL + 'vp9/1080p_60fps_600frames_20181225.vp9.webm'
),
('vp9_4k_30fps',
_BASE_URL + 'vp9/2160p_30fps_300frames_20181225.vp9.webm'
),
('vp9_4k_60fps',
_BASE_URL + 'vp9/2160p_60fps_600frames_20181225.vp9.webm'
),
('av1_720_30fps',
_BASE_URL + 'av1/720p_30fps_300frames_20190305.av1.mp4'
),
('av1_720_60fps',
_BASE_URL + 'av1/720p_60fps_600frames_20190305.av1.mp4'
),
('av1_1080_30fps',
_BASE_URL + 'av1/1080p_30fps_300frames_20190305.av1.mp4'
),
('av1_1080_60fps',
_BASE_URL + 'av1/1080p_60fps_600frames_20190305.av1.mp4'
),
]
# Ram disk location to download video file.
# We use ram disk to avoid power hit from network / disk usage.
_RAMDISK = '/tmp/ramdisk'
# Time in seconds to wait after set up before starting test.
_WAIT_FOR_IDLE = 10
# Time in seconds to measure power per video file.
_MEASUREMENT_DURATION = 30
# Chrome arguemnts to disable HW video decode
_DISABLE_HW_VIDEO_DECODE_ARGS = '--disable-accelerated-video-decode'
def initialize(self, pdash_note='', seconds_period=5):
"""Create and mount ram disk to download video."""
super(power_VideoPlayback, self).initialize(
seconds_period=seconds_period, pdash_note=pdash_note)
utils.run('mkdir -p %s' % self._RAMDISK)
# Don't throw an exception on errors.
result = utils.run('mount -t ramfs -o context=u:object_r:tmpfs:s0 '
'ramfs %s' % self._RAMDISK, ignore_status=True)
if result.exit_status:
logging.info('cannot mount ramfs with context=u:object_r:tmpfs:s0,'
' trying plain mount')
# Try again without selinux options. This time fail on error.
utils.run('mount -t ramfs ramfs %s' % self._RAMDISK)
audio_helper.set_volume_levels(10, 10)
def _play_video(self, cr, local_path):
"""Opens the video and plays it.
@param cr: Autotest Chrome instance.
@param local_path: path to the local video file to play.
"""
tab = cr.browser.tabs[0]
tab.Navigate(cr.browser.platform.http_server.UrlOf(local_path))
tab.WaitForDocumentReadyStateToBeComplete()
tab.EvaluateJavaScript("document.getElementsByTagName('video')[0]."
"loop=true")
def _calculate_dropped_frame_percent(self, tab):
"""Calculate percent of dropped frame.
@param tab: tab object that played video in Autotest Chrome instance.
"""
decoded_frame_count = tab.EvaluateJavaScript(
"document.getElementsByTagName"
"('video')[0].webkitDecodedFrameCount")
dropped_frame_count = tab.EvaluateJavaScript(
"document.getElementsByTagName"
"('video')[0].webkitDroppedFrameCount")
if decoded_frame_count != 0:
dropped_frame_percent = \
100.0 * dropped_frame_count / decoded_frame_count
else:
logging.error("No frame is decoded. Set drop percent to 100.")
dropped_frame_percent = 100.0
logging.info("Decoded frames=%d, dropped frames=%d, percent=%f",
decoded_frame_count, dropped_frame_count, dropped_frame_percent)
return dropped_frame_percent
def run_once(self, videos=None, secs_per_video=_MEASUREMENT_DURATION,
use_hw_decode=True):
"""run_once method.
@param videos: list of tuple of tagname and video url to test.
@param secs_per_video: time in seconds to play video and measure power.
@param use_hw_decode: if False, disable hw video decoding.
"""
videos_local = []
loop = 0
if not videos:
videos = self._VIDEOS
# Download video to ramdisk
for name, url in videos:
local_path = os.path.join(self._RAMDISK, os.path.basename(url))
logging.info('Downloading %s to %s', url, local_path)
file_utils.download_file(url, local_path)
videos_local.append((name, local_path))
extra_browser_args = []
if not use_hw_decode:
extra_browser_args.append(self._DISABLE_HW_VIDEO_DECODE_ARGS)
with chrome.Chrome(extra_browser_args=extra_browser_args,
init_network_controller=True) as self.cr:
self.cr.browser.platform.SetHTTPServerDirectories(self._RAMDISK)
tab = self.cr.browser.tabs.New()
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')
time.sleep(self._WAIT_FOR_IDLE)
self.start_measurements()
for name, url in videos_local:
logging.info('Playing video: %s', name)
self._play_video(self.cr, url)
tagname = '%s_%s' % (self.tagged_testname, name)
loop_start = time.time()
self.loop_sleep(loop, secs_per_video)
self.keyvals[name + '_dropped_frame_percent'] = \
self._calculate_dropped_frame_percent(tab)
self.checkpoint_measurements(tagname, loop_start)
loop += 1
def cleanup(self):
"""Unmount ram disk."""
utils.run('umount %s' % self._RAMDISK)
super(power_VideoPlayback, self).cleanup()