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# Copyright 2013 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.
# devil may not be available if we're not in an Android checkout.
try:
from devil.android.tools import video_recorder
except ImportError:
video_recorder = None
from telemetry.internal.platform import profiler
from telemetry.internal.backends.chrome import android_browser_finder
_VIDEO_MEGABITS_PER_SECOND = 4
class AndroidScreenRecordingProfiler(profiler.Profiler):
"""Captures a screen recording on Android."""
def __init__(self, browser_backend, platform_backend, output_path, state):
super(AndroidScreenRecordingProfiler, self).__init__(
browser_backend, platform_backend, output_path, state)
self._output_path = output_path + '.mp4'
self._recorder = video_recorder.VideoRecorder(
browser_backend.device,
megabits_per_second=_VIDEO_MEGABITS_PER_SECOND)
self._recorder.Start()
@classmethod
def name(cls):
return 'android-screen-recorder'
@classmethod
def is_supported(cls, browser_type):
if browser_type == 'any':
return android_browser_finder.CanFindAvailableBrowsers()
return browser_type.startswith('android')
def CollectProfile(self):
self._recorder.Stop()
self._recorder.Pull(self._output_path)
print 'Screen recording saved as %s' % self._output_path
print 'To view, open in Chrome or a video player'
return [self._output_path]
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