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# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from measurements import media
from telemetry import test
from telemetry.page import page_measurement
class _MSEMeasurement(page_measurement.PageMeasurement):
def MeasurePage(self, page, tab, results):
media_metric = tab.EvaluateJavaScript('window.__testMetrics')
trace = media_metric['id'] if 'id' in media_metric else None
metrics = media_metric['metrics'] if 'metrics' in media_metric else []
for m in metrics:
if isinstance(metrics[m], list):
values = [float(v) for v in metrics[m]]
else:
values = float(metrics[m])
results.Add(trace, 'ms', values, chart_name=m)
class Media(test.Test):
"""Obtains media metrics for key user scenarios."""
test = media.Media
page_set = 'page_sets/tough_video_cases.py'
@test.Disabled('mac') # http://crbug.com/353268
class MediaNetworkSimulation(test.Test):
"""Obtains media metrics under different network simulations."""
test = media.Media
page_set = 'page_sets/media_cns_cases.py'
class MediaAndroid(test.Test):
"""Obtains media metrics for key user scenarios on Android."""
test = media.Media
tag = 'android'
page_set = 'page_sets/tough_video_cases.py'
# Exclude is_4k and 50 fps media files (garden* & crowd*).
options = {'page_label_filter_exclude': 'is_4k,is_50fps'}
class MediaChromeOS4kOnly(test.Test):
"""Benchmark for media performance on ChromeOS using only is_4k test content.
"""
test = media.Media
tag = 'chromeOS4kOnly'
page_set = 'page_sets/tough_video_cases.py'
options = {
'page_label_filter': 'is_4k',
# Exclude is_50fps test files: crbug/331816
'page_label_filter_exclude': 'is_50fps'
}
class MediaChromeOS(test.Test):
"""Benchmark for media performance on all ChromeOS platforms.
This benchmark does not run is_4k content, there's a separate benchmark for
that.
"""
test = media.Media
tag = 'chromeOS'
page_set = 'page_sets/tough_video_cases.py'
# Exclude is_50fps test files: crbug/331816
options = {'page_label_filter_exclude': 'is_4k,is_50fps'}
class MediaSourceExtensions(test.Test):
"""Obtains media metrics for key media source extensions functions."""
test = _MSEMeasurement
page_set = 'page_sets/mse_cases.py'
def CustomizeBrowserOptions(self, options):
# Needed to allow XHR requests to return stream objects.
options.AppendExtraBrowserArgs(
['--enable-experimental-web-platform-features',
'--disable-gesture-requirement-for-media-playback'])
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