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99 lines
3.1 KiB
Python
Executable file
99 lines
3.1 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# simple.py
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#
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# Copyright (C) 2011 Thibault Saunier <thibault.saunier@collabora.co.uk>
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# Copyright (C) 2011 Luis de Bethencourt <luis.debethencourt@collabora.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This program 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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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program; 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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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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import sys
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import optparse
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import glib
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import gobject
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gobject.threads_init()
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import gst
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import ges
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class Simple:
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def __init__(self, uris):
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# init ges to have debug logs
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ges.init()
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self.mainloop = glib.MainLoop()
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timeline = ges.timeline_new_audio_video()
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self.layer = ges.SimpleTimelineLayer()
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timeline.add_layer(self.layer)
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self.pipeline = ges.TimelinePipeline()
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self.pipeline.add_timeline(timeline)
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bus = self.pipeline.get_bus()
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bus.set_sync_handler(self.bus_handler)
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# all timeline objects except the last will have a transition at the end
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for n in uris[:-1]:
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self.add_timeline_object(n, True)
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self.add_timeline_object(uris[-1], False)
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def add_timeline_object(self, uri, do_transition):
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filesource = ges.TimelineFileSource (uri)
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filesource.set_duration(long (gst.SECOND * 5))
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self.layer.add_object(filesource, -1)
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if do_transition:
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transition = ges.TimelineStandardTransition("crossfade")
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transition.duration = gst.SECOND * 2
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self.layer.add_object(transition, -1)
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def bus_handler(self, unused_bus, message):
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if message.type == gst.MESSAGE_ERROR:
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print "ERROR"
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self.mainloop.quit()
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elif message.type == gst.MESSAGE_EOS:
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print "Done"
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self.mainloop.quit()
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return gst.BUS_PASS
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def run(self):
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if (self.pipeline.set_state(gst.STATE_PLAYING) == \
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gst.STATE_CHANGE_FAILURE):
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print "Couldn't start pipeline"
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self.mainloop.run()
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def main(args):
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usage = "usage: %s URI-OF-VIDEO-1 ... URI-OF-VIDEO-n\n" % args[0]
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if len(args) < 2:
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sys.stderr.write(usage)
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sys.exit(1)
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parser = optparse.OptionParser (usage=usage)
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(options, args) = parser.parse_args ()
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simple = Simple(args)
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simple.run()
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if __name__ == "__main__":
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sys.exit(main(sys.argv))
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