# -*- 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA import sys from common import gobject, gst, unittest, TestCase import gc class NewTest(TestCase): def testEOS(self): gst.info("creating new bin") b = gst.Bin() gst.info("creating new EOS message from that bin") m = gst.message_new_eos(b) gst.info("got message : %s" % m) def message_application_cb(self, bus, message): gst.info("got application message") self.got_message = True self.loop.quit() def testApplication(self): self.loop = gobject.MainLoop() gst.info("creating new pipeline") bin = gst.Pipeline() bus = bin.get_bus() bus.add_signal_watch() self.got_message = False bus.connect('message::application', self.message_application_cb) struc = gst.Structure("foo") msg = gst.message_new_application(bin, struc) # the bus is flushing in NULL, so we need to set the pipeline to READY bin.set_state(gst.STATE_READY) bus.post(msg) self.loop.run() bus.remove_signal_watch() bin.set_state(gst.STATE_NULL) self.failUnless(self.got_message == True) self.gccollect() class TestCreateMessages(TestCase): def setUp(self): TestCase.setUp(self) self.element = gst.Bin() def tearDown(self): del self.element def testCustomMessage(self): # create two custom messages using the same structure s = gst.Structure("something") assert s != None e1 = gst.message_new_custom(gst.MESSAGE_APPLICATION, self.element, s) assert e1 e2 = gst.message_new_custom(gst.MESSAGE_APPLICATION, self.element, s) assert e2 # make sure the two structures are equal self.assertEquals(e1.structure.to_string(), e2.structure.to_string()) def testTagMessage(self): # Create a taglist t = gst.TagList() t['something'] = "else" t['another'] = 42 # Create two messages using that same taglist m1 = gst.message_new_tag(self.element, t) assert m1 m2 = gst.message_new_tag(self.element, t) assert m2 # make sure the two messages have the same taglist t1 = m1.parse_tag() assert t1 keys = t1.keys() keys.sort() self.assertEquals(keys, ['another', 'something']) self.assertEquals(t1['something'], "else") self.assertEquals(t1['another'], 42) t2 = m2.parse_tag() assert t2 keys = t2.keys() keys.sort() self.assertEquals(keys, ['another', 'something']) self.assertEquals(t2['something'], "else") self.assertEquals(t2['another'], 42) def testTagFullMessage(self): if hasattr(gst.Message, 'parse_tag_full'): p = gst.Pad("blahblah", gst.PAD_SRC) # Create a taglist t = gst.TagList() t['something'] = "else" t['another'] = 42 # Create two messages using that same taglist m1 = gst.message_new_tag_full(self.element, p, t) assert m1 m2 = gst.message_new_tag_full(self.element, p, t) assert m2 # make sure the two messages have the same taglist p1, t1 = m1.parse_tag_full() assert t1 keys = t1.keys() keys.sort() self.assertEquals(p1, p) self.assertEquals(keys, ['another', 'something']) self.assertEquals(t1['something'], "else") self.assertEquals(t1['another'], 42) p2, t2 = m2.parse_tag_full() assert t2 keys = t2.keys() keys.sort() self.assertEquals(p2, p) self.assertEquals(keys, ['another', 'something']) self.assertEquals(t2['something'], "else") self.assertEquals(t2['another'], 42) def testStepStartMessage(self): if hasattr(gst, 'message_new_step_start'): m = gst.message_new_step_start(self.element, True, gst.FORMAT_TIME, 42, 1.0, True, True) self.assertEquals(m.type, gst.MESSAGE_STEP_START) active, format, amount, rate, flush, intermediate = m.parse_step_start() self.assertEquals(active, True) self.assertEquals(format, gst.FORMAT_TIME) self.assertEquals(amount, 42) self.assertEquals(rate, 1.0) self.assertEquals(flush, True) self.assertEquals(intermediate, True) def testStepDoneMessage(self): if hasattr(gst, 'message_new_step_done'): m = gst.message_new_step_done(self.element, gst.FORMAT_TIME, 42, 1.0, True, True, 54, True) self.assertEquals(m.type, gst.MESSAGE_STEP_DONE) fmt, am, rat, flu, inter, dur, eos = m.parse_step_done() self.assertEquals(fmt, gst.FORMAT_TIME) self.assertEquals(am, 42) self.assertEquals(rat, 1.0) self.assertEquals(flu, True) self.assertEquals(inter, True) self.assertEquals(dur, 54) self.assertEquals(eos, True) def testStructureChangeMessage(self): if hasattr(gst, 'message_new_structure_change'): p = gst.Pad("blah", gst.PAD_SINK) m = gst.message_new_structure_change(p, gst.STRUCTURE_CHANGE_TYPE_PAD_LINK, self.element, True) self.assertEquals(m.type, gst.MESSAGE_STRUCTURE_CHANGE) sct, owner, busy = m.parse_structure_change() self.assertEquals(sct, gst.STRUCTURE_CHANGE_TYPE_PAD_LINK) self.assertEquals(owner, self.element) self.assertEquals(busy, True) def testRequestStateMessage(self): if hasattr(gst, 'message_new_request_state'): m = gst.message_new_request_state(self.element, gst.STATE_NULL) self.assertEquals(m.type, gst.MESSAGE_REQUEST_STATE) self.assertEquals(m.parse_request_state(), gst.STATE_NULL) def testBufferingStatsMessage(self): if hasattr(gst.Message, 'set_buffering_stats'): gst.debug("Creating buffering message") m = gst.message_new_buffering(self.element, 50) gst.debug("Setting stats") m.set_buffering_stats(gst.BUFFERING_LIVE, 30, 1024, 123456) self.assertEquals(m.type, gst.MESSAGE_BUFFERING) mode, ain, aout, left = m.parse_buffering_stats() self.assertEquals(mode, gst.BUFFERING_LIVE) self.assertEquals(ain, 30) self.assertEquals(aout, 1024) self.assertEquals(left, 123456) if __name__ == "__main__": unittest.main()