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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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243 lines
9.8 KiB
Python
243 lines
9.8 KiB
Python
# -*- Mode: Python -*-
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# vi:si:et:sw=4:sts=4:ts=4
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#
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# gst-python - Python bindings for GStreamer
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# Copyright (C) 2005 Thomas Vander Stichele
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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 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 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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# 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 library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from common import gst, unittest, TestCase
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import gobject
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import time
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import sys
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class BusSignalTest(TestCase):
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def testGoodConstructor(self):
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loop = gobject.MainLoop()
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gst.info ("creating pipeline")
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pipeline = gst.parse_launch("fakesrc ! fakesink")
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gst.info ("getting bus")
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bus = pipeline.get_bus()
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gst.info ("got bus")
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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self.assertEquals(bus.__gstrefcount__, 2)
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self.assertEquals(pipeline.__gstrefcount__, 1)
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gst.info ("about to add a watch on the bus")
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watch_id = bus.connect("message", self._message_received, pipeline, loop, "one")
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bus.add_signal_watch()
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gst.info ("added a watch on the bus")
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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self.assertEquals(bus.__gstrefcount__, 3)
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self.assertEquals(pipeline.__gstrefcount__, 1)
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gst.info("setting to playing")
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ret = pipeline.set_state(gst.STATE_PLAYING)
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gst.info("set to playing %s, loop.run" % ret)
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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loop.run()
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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gst.info("setting to paused")
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ret = pipeline.set_state(gst.STATE_PAUSED)
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gst.info("set to paused %s, loop.run" % ret)
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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loop.run()
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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gst.info("setting to ready")
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ret = pipeline.set_state(gst.STATE_READY)
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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gst.info("set to READY %s, loop.run" % ret)
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loop.run()
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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gst.info("setting to NULL")
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ret = pipeline.set_state(gst.STATE_NULL)
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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gst.info("set to NULL %s" % ret)
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self.gccollect()
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self.assertEquals(bus.__gstrefcount__, 3)
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# FIXME: state change thread needs to die
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while pipeline.__gstrefcount__ > 1:
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gst.debug('waiting for pipeline refcount to drop')
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time.sleep(0.1)
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self.assertEquals(pipeline.__gstrefcount__, 1)
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gst.info("about to remove the watch id")
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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bus.remove_signal_watch()
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gst.info("bus watch id removed")
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bus.disconnect(watch_id)
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gst.info("disconnected callback")
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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self.gccollect()
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gst.info("pipeliner:%d/%d busr:%d" % (pipeline.__gstrefcount__, pipeline.__grefcount__, bus.__gstrefcount__))
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self.assertEquals(bus.__gstrefcount__, 2)
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self.assertEquals(pipeline.__gstrefcount__, 1)
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gst.info("removing pipeline")
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del pipeline
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gst.info("pipeline removed")
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gst.info("busr:%d" % bus.__gstrefcount__)
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self.gccollect()
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# flush the bus
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bus.set_flushing(True)
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bus.set_flushing(False)
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self.gccollect()
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# FIXME: refcount is still 2
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self.assertEquals(bus.__gstrefcount__, 1)
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def _message_received(self, bus, message, pipeline, loop, id):
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self.failUnless(isinstance(bus, gst.Bus))
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self.failUnless(isinstance(message, gst.Message))
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self.assertEquals(id, "one")
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loop.quit()
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return True
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def testSyncHandlerCallbackRefcount(self):
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def callback1():
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pass
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def callback2():
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pass
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bus = gst.Bus()
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# set
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self.failUnless(sys.getrefcount(callback1), 2)
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bus.set_sync_handler(callback1)
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self.failUnless(sys.getrefcount(callback1), 3)
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# set again
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self.failUnless(sys.getrefcount(callback1), 3)
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bus.set_sync_handler(callback1)
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self.failUnless(sys.getrefcount(callback1), 3)
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# replace
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# this erros out in gst_bus_set_sync_handler, but we need to check that
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# we don't leak anyway
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self.failUnless(sys.getrefcount(callback2), 2)
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bus.set_sync_handler(callback2)
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self.failUnless(sys.getrefcount(callback1), 2)
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self.failUnless(sys.getrefcount(callback2), 3)
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# unset
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bus.set_sync_handler(None)
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self.failUnless(sys.getrefcount(callback2), 2)
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class BusAddWatchTest(TestCase):
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def testADumbExample(self):
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gst.info("creating pipeline")
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pipeline = gst.parse_launch("fakesrc ! fakesink")
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gst.info("pipeliner:%s" % pipeline.__gstrefcount__)
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bus = pipeline.get_bus()
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gst.info("got bus, pipeliner:%d, busr:%d" % (pipeline.__gstrefcount__,
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bus.__gstrefcount__))
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## watch_id = bus.add_watch(self._message_received, pipeline)
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## gst.info("added watch, pipeliner:%d, busr:%d" % (pipeline.__gstrefcount__,
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## bus.__gstrefcount__))
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## gobject.source_remove(watch_id)
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## gst.info("removed watch, pipeliner:%d, busr:%d" % (pipeline.__gstrefcount__,
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## bus.__gstrefcount__))
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def testGoodConstructor(self):
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loop = gobject.MainLoop()
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gst.info ("creating pipeline")
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pipeline = gst.parse_launch("fakesrc ! fakesink")
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gst.info ("getting bus")
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bus = pipeline.get_bus()
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gst.info ("got bus")
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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self.assertEquals(bus.__gstrefcount__, 2)
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self.assertEquals(pipeline.__gstrefcount__, 1)
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gst.info ("about to add a watch on the bus")
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watch_id = bus.add_watch(self._message_received, pipeline, loop, "one")
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gst.info ("added a watch on the bus")
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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self.assertEquals(bus.__gstrefcount__, 3)
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self.assertEquals(pipeline.__gstrefcount__, 1)
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gst.info("setting to playing")
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ret = pipeline.set_state(gst.STATE_PLAYING)
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gst.info("set to playing %s, loop.run" % ret)
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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loop.run()
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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gst.info("setting to paused")
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ret = pipeline.set_state(gst.STATE_PAUSED)
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gst.info("set to paused %s, loop.run" % ret)
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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loop.run()
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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gst.info("setting to ready")
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ret = pipeline.set_state(gst.STATE_READY)
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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gst.info("set to READY %s, loop.run" % ret)
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loop.run()
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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gst.info("setting to NULL")
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ret = pipeline.set_state(gst.STATE_NULL)
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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gst.info("set to NULL %s" % ret)
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self.gccollect()
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self.assertEquals(bus.__gstrefcount__, 3)
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self.assertEquals(pipeline.__gstrefcount__, 1)
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gst.info("about to remove the watch id")
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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self.failUnless(gobject.source_remove(watch_id))
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gst.info("bus watch id removed")
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gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
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self.gccollect()
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gst.info("pipeliner:%d/%d busr:%d" % (pipeline.__gstrefcount__, pipeline.__grefcount__, bus.__gstrefcount__))
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self.assertEquals(bus.__gstrefcount__, 2)
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self.assertEquals(pipeline.__gstrefcount__, 1)
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gst.info("removing pipeline")
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del pipeline
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gst.info("pipeline removed")
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gst.info("busr:%d" % bus.__gstrefcount__)
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self.gccollect()
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# flush the bus
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bus.set_flushing(True)
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bus.set_flushing(False)
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self.gccollect()
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# FIXME: refcount is still 2
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self.assertEquals(bus.__gstrefcount__, 1)
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def _message_received(self, bus, message, pipeline, loop, id):
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self.failUnless(isinstance(bus, gst.Bus))
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self.failUnless(isinstance(message, gst.Message))
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self.assertEquals(id, "one")
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# doesn't the following line stop the mainloop before the end of the state change ?
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loop.quit()
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return True
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if __name__ == "__main__":
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unittest.main()
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