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