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comparison scripts/play-video.py @ 385:1917db662aa7

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added rescaling options to scripts play-video and display-trajectories
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Mon, 22 Jul 2013 18:33:47 -0400
parents 1d90e9080cb2
children 3058e00887bc
comparison
equal deleted inserted replaced
384:6da9cf5609aa 385:1917db662aa7
1 #! /usr/bin/env python 1 #! /usr/bin/env python
2 2
3 import sys,getopt 3 import sys, argparse
4 import cvutils 4 import cvutils
5 5
6 options, args = getopt.getopt(sys.argv[1:], 'hi:f:',['help', 'fps='])
7 options = dict(options)
8 print options
9 6
10 if '--help' in options.keys() or '-h' in options.keys() or len(sys.argv) == 1: 7 parser = argparse.ArgumentParser(description='The program displays the video.')
11 print('Usage: '+sys.argv[0]+' --help|-h -i video-filename [-f first_frame] [--fps frame_rate]') 8 parser.add_argument('-i', dest = 'videoFilename', help = 'name of the video file', required = True)
12 sys.exit() 9 parser.add_argument('-f', dest = 'firstFrameNum', help = 'number of first frame number to display', default = 0, type = int)
10 parser.add_argument('--fps', dest = 'frameRate', help = 'approximate frame rate to replay', type = float)
11 parser.add_argument('-r', dest = 'rescale', help = 'rescaling factor for the displayed image', default = 1., type = float)
12
13 args = parser.parse_args()
13 14
14 firstFrameNum = 0 15 firstFrameNum = 0
15 if '-f' in options.keys(): 16 if args.firstFrameNum != None:
16 firstFrameNum = int(options['-f']) 17 firstFrameNum = args.firstFrameNum
17 18
18 frameRate = -1 19 frameRate = -1
19 if '--fps' in options.keys(): 20 if args.frameRate != None:
20 frameRate = int(options['--fps']) 21 frameRate = args.frameRate
21 22
22 cvutils.playVideo(options['-i'], firstFrameNum, frameRate) 23 cvutils.playVideo(args.videoFilename, firstFrameNum, frameRate, rescale = args.rescale)