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105 lines
3 KiB
Python
105 lines
3 KiB
Python
#!/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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#
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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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from gst import ges
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import sys
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import getopt
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import gst
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import glib
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class Demo:
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def __init__(self, files):
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self.tl_objs = []
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self.set_pipeline (files)
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for f in files:
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self.add_tl_object(f)
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self.mainloop = glib.MainLoop()
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def add_tl_object(self, file):
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self.tl_objs.append(ges.TimelineFileSource (file))
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self.layer.add_object(self.tl_objs[-1], -1)
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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 set_pipeline (self, files):
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try:
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opts, args = getopt.getopt(sys.argv[1:], "h", ["help"])
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except getopt.error, msg:
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print msg
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print "for help use --help"
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ges.init()
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tl = ges.timeline_new_audio_video()
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layer = ges.SimpleTimelineLayer()
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tl.add_layer(layer)
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pipeline = ges.TimelinePipeline()
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pipeline.add_timeline (tl)
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bus = pipeline.get_bus()
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bus.set_sync_handler(self.bus_handler)
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self.pipeline = pipeline
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self.layer = layer
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def run(self):
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if (self.pipeline.set_state(gst.STATE_PLAYING) == 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():
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try:
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opts, args = getopt.getopt(sys.argv[1:], "h", ["help"])
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except getopt.error, msg:
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print msg
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print "for help use --help"
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sys.exit(2)
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# process options
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for o, a in opts:
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if o in ("-h", "--help"):
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print __doc__
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sys.exit(0)
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demo = Demo(args)
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demo.run()
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if __name__ == "__main__":
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main()
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