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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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88 lines
2.4 KiB
Text
88 lines
2.4 KiB
Text
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#!/usr/bin/env python
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# gst-python
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# Copyright (C) 2006 Andy Wingo <wingo at pobox.com>
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Library General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Library General Public License for more details.
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#
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# You should have received a copy of the GNU Library General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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import os
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import sys
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import pygtk
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pygtk.require('2.0')
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import gobject
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gobject.threads_init()
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import pygst
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pygst.require('0.10')
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import gst
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from gst.extend import discoverer
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def fail(path):
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print "error: %r does not appear to be a media file" % path
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sys.exit(1)
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def succeed(d):
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def pp(prop, val):
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print '%s: %s' % (prop, val)
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pp('media type', d.mimetype)
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pp('has video', d.is_video)
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if d.is_video:
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pp('video caps', d.videocaps)
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pp('video width', d.videowidth)
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pp('video height', d.videoheight)
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pp('framerate', '%s/%s' % (d.videorate.num, d.videorate.denom))
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pp('has audio', d.is_audio)
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if d.is_audio:
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pp('audio caps', d.audiocaps)
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pp('audio format', d.audiofloat and 'floating-point' or 'integer')
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pp('sample rate', d.audiorate)
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pp('sample width', d.audiowidth)
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pp('sample depth', d.audiodepth)
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pp('audio channels', d.audiochannels)
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sys.exit(0)
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def discover(path):
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def discovered(d, is_media):
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if is_media:
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succeed(d)
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else:
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fail(path)
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d = discoverer.Discoverer(path)
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d.connect('discovered', discovered)
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d.discover()
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gobject.MainLoop().run()
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def usage():
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print >>sys.stderr, "usage: gst-discover PATH-TO-MEDIA-FILE"
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sys.exit(1)
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def main(argv):
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if len(argv) != 2:
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usage()
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path = argv.pop()
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if not os.path.isfile(path):
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print >>sys.stderr, "error: file %r does not exist" % path
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usage()
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return discover(path)
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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