1 #!/usr/bin/env python 2 3 # Copyright (c) 2012 The Chromium Authors. All rights reserved. 4 # Use of this source code is governed by a BSD-style license that can be 5 # found in the LICENSE file. 6 7 """Takes a screenshot or a screen video capture from an Android device.""" 8 9 import logging 10 import optparse 11 import os 12 import sys 13 14 from pylib import android_commands 15 from pylib import screenshot 16 from pylib.device import device_utils 17 18 def _PrintMessage(heading, eol='\n'): 19 sys.stdout.write('%s%s' % (heading, eol)) 20 sys.stdout.flush() 21 22 23 def _CaptureScreenshot(device, host_file): 24 host_file = device.TakeScreenshot(host_file) 25 _PrintMessage('Screenshot written to %s' % os.path.abspath(host_file)) 26 27 28 def _CaptureVideo(device, host_file, options): 29 size = tuple(map(int, options.size.split('x'))) if options.size else None 30 recorder = screenshot.VideoRecorder(device, 31 megabits_per_second=options.bitrate, 32 size=size, 33 rotate=options.rotate) 34 try: 35 recorder.Start() 36 _PrintMessage('Recording. Press Enter to stop...', eol='') 37 raw_input() 38 finally: 39 recorder.Stop() 40 host_file = recorder.Pull(host_file) 41 _PrintMessage('Video written to %s' % os.path.abspath(host_file)) 42 43 44 def main(): 45 # Parse options. 46 parser = optparse.OptionParser(description=__doc__, 47 usage='screenshot.py [options] [filename]') 48 parser.add_option('-d', '--device', metavar='ANDROID_DEVICE', help='Serial ' 49 'number of Android device to use.', default=None) 50 parser.add_option('-f', '--file', help='Save result to file instead of ' 51 'generating a timestamped file name.', metavar='FILE') 52 parser.add_option('-v', '--verbose', help='Verbose logging.', 53 action='store_true') 54 video_options = optparse.OptionGroup(parser, 'Video capture') 55 video_options.add_option('--video', help='Enable video capturing. Requires ' 56 'Android KitKat or later', action='store_true') 57 video_options.add_option('-b', '--bitrate', help='Bitrate in megabits/s, ' 58 'from 0.1 to 100 mbps, %default mbps by default.', 59 default=4, type='float') 60 video_options.add_option('-r', '--rotate', help='Rotate video by 90 degrees.', 61 default=False, action='store_true') 62 video_options.add_option('-s', '--size', metavar='WIDTHxHEIGHT', 63 help='Frame size to use instead of the device ' 64 'screen size.', default=None) 65 parser.add_option_group(video_options) 66 67 (options, args) = parser.parse_args() 68 69 if options.verbose: 70 logging.getLogger().setLevel(logging.DEBUG) 71 72 if not options.device and len(android_commands.GetAttachedDevices()) > 1: 73 parser.error('Multiple devices are attached. ' 74 'Please specify device serial number with --device.') 75 76 if len(args) > 1: 77 parser.error('Too many positional arguments.') 78 host_file = args[0] if args else options.file 79 device = device_utils.DeviceUtils(options.device) 80 81 if options.video: 82 _CaptureVideo(device, host_file, options) 83 else: 84 _CaptureScreenshot(device, host_file) 85 return 0 86 87 88 if __name__ == '__main__': 89 sys.exit(main()) 90
