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68 lines
1.9 KiB
Python
Executable file
68 lines
1.9 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# gst-python
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# Copyright (C) 2002 David I. Lehn
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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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#
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# Author: David I. Lehn <dlehn@users.sourceforge.net>
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#
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import sys
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from gstreamer import *
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import gobject
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from cp import filter
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class Identity(Element):
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def __init__(self):
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self.__gobject_init__()
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self.sinkpad = Pad('sink', PAD_SINK)
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self.add_pad(self.sinkpad)
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self.sinkpad.set_chain_function(self.chain)
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self.sinkpad.set_connect_function(self.pad_connect)
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self.srcpad = Pad('src', PAD_SRC)
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self.add_pad(self.srcpad)
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self.srcpad.set_connect_function(self.pad_connect)
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def get_bufferpool(self, pad):
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print 'get_bufferpool:', self, pad
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return self.srcpad.get_bufferpool()
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def pad_connect(self, pad, caps):
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print 'pad_connect:', self, pad, caps
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return PAD_CONNECT_OK
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def chain(self, pad, buf):
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self.srcpad.push(buf)
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gobject.type_register(Identity)
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def main():
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"A GStreamer Python subclassing example of an identity filter"
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gst_debug_set_categories(0L)
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identity = Identity()
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identity.set_name('identity')
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if not identity:
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print 'could not create \"Identity\" element'
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return -1
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return filter([identity])
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if __name__ == '__main__':
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ret = main()
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sys.exit (ret)
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