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annotate scripts/play-video.py @ 820:e73e7b644428

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generalized play-video for several files (already synchronized
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Wed, 22 Jun 2016 15:23:20 -0400
parents 51269511229b
children 26daf35180ad
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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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12 parser.add_argument('-s', dest = 'step', help = 'display every s image', default = 1, type = int)
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14 args = parser.parse_args()
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16 firstFrameNum = 0
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17 if args.firstFrameNum is not None:
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18 firstFrameNum = args.firstFrameNum
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20 frameRate = -1
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21 if args.frameRate is not None:
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22 frameRate = args.frameRate
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24 cvutils.playVideo([args.videoFilename], None, firstFrameNum, frameRate, rescale = args.rescale, step = args.step)