mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-24 09:10:36 +00:00
242 lines
9.8 KiB
Python
242 lines
9.8 KiB
Python
# -*- Mode: Python -*-
|
|
# vi:si:et:sw=4:sts=4:ts=4
|
|
#
|
|
# gst-python - Python bindings for GStreamer
|
|
# Copyright (C) 2005 Thomas Vander Stichele
|
|
#
|
|
# This library is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU Lesser General Public
|
|
# License as published by the Free Software Foundation; either
|
|
# version 2.1 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
|
|
# Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public
|
|
# License along with this library; if not, write to the Free Software
|
|
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
from common import gst, unittest, TestCase
|
|
|
|
import gobject
|
|
import time
|
|
import sys
|
|
|
|
class BusSignalTest(TestCase):
|
|
def testGoodConstructor(self):
|
|
loop = gobject.MainLoop()
|
|
gst.info ("creating pipeline")
|
|
pipeline = gst.parse_launch("fakesrc ! fakesink")
|
|
gst.info ("getting bus")
|
|
bus = pipeline.get_bus()
|
|
gst.info ("got bus")
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
self.assertEquals(bus.__gstrefcount__, 2)
|
|
self.assertEquals(pipeline.__gstrefcount__, 1)
|
|
gst.info ("about to add a watch on the bus")
|
|
watch_id = bus.connect("message", self._message_received, pipeline, loop, "one")
|
|
bus.add_signal_watch()
|
|
gst.info ("added a watch on the bus")
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
self.assertEquals(bus.__gstrefcount__, 3)
|
|
self.assertEquals(pipeline.__gstrefcount__, 1)
|
|
|
|
gst.info("setting to playing")
|
|
ret = pipeline.set_state(gst.STATE_PLAYING)
|
|
gst.info("set to playing %s, loop.run" % ret)
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
loop.run()
|
|
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
gst.info("setting to paused")
|
|
ret = pipeline.set_state(gst.STATE_PAUSED)
|
|
gst.info("set to paused %s, loop.run" % ret)
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
loop.run()
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
|
|
gst.info("setting to ready")
|
|
ret = pipeline.set_state(gst.STATE_READY)
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
gst.info("set to READY %s, loop.run" % ret)
|
|
loop.run()
|
|
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
gst.info("setting to NULL")
|
|
ret = pipeline.set_state(gst.STATE_NULL)
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
gst.info("set to NULL %s" % ret)
|
|
self.gccollect()
|
|
self.assertEquals(bus.__gstrefcount__, 3)
|
|
# FIXME: state change thread needs to die
|
|
while pipeline.__gstrefcount__ > 1:
|
|
gst.debug('waiting for pipeline refcount to drop')
|
|
time.sleep(0.1)
|
|
self.assertEquals(pipeline.__gstrefcount__, 1)
|
|
|
|
gst.info("about to remove the watch id")
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
bus.remove_signal_watch()
|
|
gst.info("bus watch id removed")
|
|
bus.disconnect(watch_id)
|
|
gst.info("disconnected callback")
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
self.gccollect()
|
|
gst.info("pipeliner:%d/%d busr:%d" % (pipeline.__gstrefcount__, pipeline.__grefcount__, bus.__gstrefcount__))
|
|
|
|
self.assertEquals(bus.__gstrefcount__, 2)
|
|
self.assertEquals(pipeline.__gstrefcount__, 1)
|
|
|
|
gst.info("removing pipeline")
|
|
del pipeline
|
|
gst.info("pipeline removed")
|
|
gst.info("busr:%d" % bus.__gstrefcount__)
|
|
|
|
self.gccollect()
|
|
|
|
# flush the bus
|
|
bus.set_flushing(True)
|
|
bus.set_flushing(False)
|
|
self.gccollect()
|
|
# FIXME: refcount is still 2
|
|
self.assertEquals(bus.__gstrefcount__, 1)
|
|
|
|
def _message_received(self, bus, message, pipeline, loop, id):
|
|
self.failUnless(isinstance(bus, gst.Bus))
|
|
self.failUnless(isinstance(message, gst.Message))
|
|
self.assertEquals(id, "one")
|
|
loop.quit()
|
|
return True
|
|
|
|
def testSyncHandlerCallbackRefcount(self):
|
|
def callback1():
|
|
pass
|
|
|
|
def callback2():
|
|
pass
|
|
|
|
bus = gst.Bus()
|
|
|
|
# set
|
|
self.failUnless(sys.getrefcount(callback1), 2)
|
|
bus.set_sync_handler(callback1)
|
|
self.failUnless(sys.getrefcount(callback1), 3)
|
|
|
|
# set again
|
|
self.failUnless(sys.getrefcount(callback1), 3)
|
|
bus.set_sync_handler(callback1)
|
|
self.failUnless(sys.getrefcount(callback1), 3)
|
|
|
|
# replace
|
|
# this erros out in gst_bus_set_sync_handler, but we need to check that
|
|
# we don't leak anyway
|
|
self.failUnless(sys.getrefcount(callback2), 2)
|
|
bus.set_sync_handler(callback2)
|
|
self.failUnless(sys.getrefcount(callback1), 2)
|
|
self.failUnless(sys.getrefcount(callback2), 3)
|
|
|
|
# unset
|
|
bus.set_sync_handler(None)
|
|
self.failUnless(sys.getrefcount(callback2), 2)
|
|
|
|
class BusAddWatchTest(TestCase):
|
|
|
|
def testADumbExample(self):
|
|
gst.info("creating pipeline")
|
|
pipeline = gst.parse_launch("fakesrc ! fakesink")
|
|
gst.info("pipeliner:%s" % pipeline.__gstrefcount__)
|
|
bus = pipeline.get_bus()
|
|
gst.info("got bus, pipeliner:%d, busr:%d" % (pipeline.__gstrefcount__,
|
|
bus.__gstrefcount__))
|
|
## watch_id = bus.add_watch(self._message_received, pipeline)
|
|
## gst.info("added watch, pipeliner:%d, busr:%d" % (pipeline.__gstrefcount__,
|
|
## bus.__gstrefcount__))
|
|
## gobject.source_remove(watch_id)
|
|
## gst.info("removed watch, pipeliner:%d, busr:%d" % (pipeline.__gstrefcount__,
|
|
## bus.__gstrefcount__))
|
|
|
|
|
|
def testGoodConstructor(self):
|
|
loop = gobject.MainLoop()
|
|
gst.info ("creating pipeline")
|
|
pipeline = gst.parse_launch("fakesrc ! fakesink")
|
|
gst.info ("getting bus")
|
|
bus = pipeline.get_bus()
|
|
gst.info ("got bus")
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
self.assertEquals(bus.__gstrefcount__, 2)
|
|
self.assertEquals(pipeline.__gstrefcount__, 1)
|
|
gst.info ("about to add a watch on the bus")
|
|
watch_id = bus.add_watch(self._message_received, pipeline, loop, "one")
|
|
gst.info ("added a watch on the bus")
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
self.assertEquals(bus.__gstrefcount__, 3)
|
|
self.assertEquals(pipeline.__gstrefcount__, 1)
|
|
|
|
gst.info("setting to playing")
|
|
ret = pipeline.set_state(gst.STATE_PLAYING)
|
|
gst.info("set to playing %s, loop.run" % ret)
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
loop.run()
|
|
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
gst.info("setting to paused")
|
|
ret = pipeline.set_state(gst.STATE_PAUSED)
|
|
gst.info("set to paused %s, loop.run" % ret)
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
loop.run()
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
|
|
gst.info("setting to ready")
|
|
ret = pipeline.set_state(gst.STATE_READY)
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
gst.info("set to READY %s, loop.run" % ret)
|
|
loop.run()
|
|
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
gst.info("setting to NULL")
|
|
ret = pipeline.set_state(gst.STATE_NULL)
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
gst.info("set to NULL %s" % ret)
|
|
self.gccollect()
|
|
self.assertEquals(bus.__gstrefcount__, 3)
|
|
self.assertEquals(pipeline.__gstrefcount__, 1)
|
|
|
|
gst.info("about to remove the watch id")
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
self.failUnless(gobject.source_remove(watch_id))
|
|
gst.info("bus watch id removed")
|
|
gst.info("pipeliner:%d busr:%d" % (pipeline.__gstrefcount__, bus.__gstrefcount__))
|
|
self.gccollect()
|
|
gst.info("pipeliner:%d/%d busr:%d" % (pipeline.__gstrefcount__, pipeline.__grefcount__, bus.__gstrefcount__))
|
|
|
|
self.assertEquals(bus.__gstrefcount__, 2)
|
|
self.assertEquals(pipeline.__gstrefcount__, 1)
|
|
|
|
gst.info("removing pipeline")
|
|
del pipeline
|
|
gst.info("pipeline removed")
|
|
gst.info("busr:%d" % bus.__gstrefcount__)
|
|
|
|
self.gccollect()
|
|
|
|
# flush the bus
|
|
bus.set_flushing(True)
|
|
bus.set_flushing(False)
|
|
self.gccollect()
|
|
# FIXME: refcount is still 2
|
|
self.assertEquals(bus.__gstrefcount__, 1)
|
|
|
|
def _message_received(self, bus, message, pipeline, loop, id):
|
|
self.failUnless(isinstance(bus, gst.Bus))
|
|
self.failUnless(isinstance(message, gst.Message))
|
|
self.assertEquals(id, "one")
|
|
# doesn't the following line stop the mainloop before the end of the state change ?
|
|
loop.quit()
|
|
return True
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|