60 lines
1.8 KiB
Text
60 lines
1.8 KiB
Text
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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# GPL 2008
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import os
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import sys
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from optparse import OptionParser
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import pygst
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pygst.require("0.10")
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import gst
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import Image
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root = os.path.join(os.path.abspath(os.path.dirname(__file__)), '..')
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if os.path.exists(os.path.join(root, 'oxgst')):
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sys.path.insert(0, root)
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from oxgst import Video
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if __name__ == '__main__':
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width = None
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height = None
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size = None
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parser = OptionParser()
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parser.add_option('-x', '--size', dest='size', help='scale image to size')
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parser.add_option('-p', '--pos', dest='pos', help='frame position in seconds, float')
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parser.add_option('-i', '--input', dest='input', help='video input')
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parser.add_option('-o', '--output', dest='output', help='path to save frame to, jpg, png supported')
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(opts, args) = parser.parse_args()
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if None in (opts.input, opts.output, opts.pos):
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parser.print_help()
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sys.exit()
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video = Video(opts.input)
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timestamp = int(float(opts.pos) * gst.SECOND)
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frame = video.frame(timestamp)
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if frame:
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width = frame.size[0]
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height = frame.size[1]
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if opts.size:
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if width > height:
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width = int(int(opts.size) * (float(width) / height))
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height = int(opts.size)
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width = width - width % 2
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ox = abs(height - width) / 2
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oy = 0
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else:
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height = int(int(opts.size) * (float(height) / width))
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width = int(opts.size)
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height = height - height % 2
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ox = 0
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oy = abs(height - width) / 2
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frame = frame.resize((width, height), Image.ANTIALIAS)
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frame = frame.crop((ox, oy, int(opts.size) + ox, oy + int(opts.size)))
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frame.save(opts.output)
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