| # 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] |
