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annotate 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
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ca9131968bce added sample to replay video
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1 #! /usr/bin/env python
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3 import sys, argparse
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4 import cvutils
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7 parser = argparse.ArgumentParser(description='The program displays the video.')
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8 parser.add_argument('-i', dest = 'videoFilename', help = 'name of the video file', required = True)
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9 parser.add_argument('-f', dest = 'firstFrameNum', help = 'number of first frame number to display', default = 0, type = int)
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10 parser.add_argument('--fps', dest = 'frameRate', help = 'approximate frame rate to replay', type = float)
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11 parser.add_argument('-r', dest = 'rescale', help = 'rescaling factor for the displayed image', default = 1., type = float)
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13 args = parser.parse_args()
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15 firstFrameNum = 0
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16 if args.firstFrameNum != None:
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17 firstFrameNum = args.firstFrameNum
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19 frameRate = -1
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20 if args.frameRate != None:
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21 frameRate = args.frameRate
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23 cvutils.playVideo(args.videoFilename, firstFrameNum, frameRate, rescale = args.rescale)