1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
# -*- Mode: Python -*-
# vi:si:et:sw=4:sts=4:ts=4
#
# gst-python - Python bindings for GStreamer
# Copyright (C) 2002 David I. Lehn
# Copyright (C) 2004 Johan Dahlin
# Copyright (C) 2005 Edward Hervey
#
# 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 time
from common import gst, unittest, TestCase, pygobject_2_13
import gobject
class TestConstruction(TestCase):
def setUp(self):
self.gctrack()
def tearDown(self):
self.gccollect()
self.gcverify()
def testGoodConstructor(self):
name = 'test-pipeline'
pipeline = gst.Pipeline(name)
self.assertEquals(pipeline.__gstrefcount__, 1)
assert pipeline is not None, 'pipeline is None'
self.failUnless(isinstance(pipeline, gst.Pipeline),
'pipeline is not a GstPipline')
assert pipeline.get_name() == name, 'pipelines name is wrong'
self.assertEquals(pipeline.__gstrefcount__, 1)
def testParseLaunch(self):
pipeline = gst.parse_launch('fakesrc ! fakesink')
class Pipeline(TestCase):
def setUp(self):
self.gctrack()
self.pipeline = gst.Pipeline('test-pipeline')
source = gst.element_factory_make('fakesrc', 'source')
source.set_property('num-buffers', 5)
sink = gst.element_factory_make('fakesink', 'sink')
self.pipeline.add(source, sink)
gst.element_link_many(source, sink)
def tearDown(self):
del self.pipeline
self.gccollect()
self.gcverify()
def testRun(self):
self.assertEqual(self.pipeline.get_state()[1], gst.STATE_NULL)
self.pipeline.set_state(gst.STATE_PLAYING)
self.assertEqual(self.pipeline.get_state()[1], gst.STATE_PLAYING)
time.sleep(1)
self.assertEqual(self.pipeline.get_state()[1], gst.STATE_PLAYING)
self.pipeline.set_state(gst.STATE_NULL)
self.assertEqual(self.pipeline.get_state()[1], gst.STATE_NULL)
class PipelineTags(TestCase):
def setUp(self):
self.gctrack()
self.pipeline = gst.parse_launch('audiotestsrc num-buffers=100 ! vorbisenc name=encoder ! oggmux name=muxer ! fakesink')
def tearDown(self):
del self.pipeline
self.gccollect()
self.gcverify()
def testRun(self):
# in 0.10.15.1, this triggers
# sys:1: gobject.Warning: g_value_get_uint: assertion `G_VALUE_HOLDS_UINT (value)' failed
# during pipeline playing
l = gst.TagList()
l[gst.TAG_ARTIST] = 'artist'
l[gst.TAG_TRACK_NUMBER] = 1
encoder = self.pipeline.get_by_name('encoder')
encoder.merge_tags(l, gst.TAG_MERGE_APPEND)
self.assertEqual(self.pipeline.get_state()[1], gst.STATE_NULL)
self.pipeline.set_state(gst.STATE_PLAYING)
self.assertEqual(self.pipeline.get_state()[1], gst.STATE_PLAYING)
time.sleep(1)
self.assertEqual(self.pipeline.get_state()[1], gst.STATE_PLAYING)
self.pipeline.set_state(gst.STATE_NULL)
self.assertEqual(self.pipeline.get_state()[1], gst.STATE_NULL)
class Bus(TestCase):
def testGet(self):
pipeline = gst.Pipeline('test')
self.assertEquals(pipeline.__gstrefcount__, 1)
bus = pipeline.get_bus()
self.assertEquals(pipeline.__gstrefcount__, 1)
# one for python and one for the pipeline
self.assertEquals(bus.__gstrefcount__, 2)
del pipeline
if not pygobject_2_13:
self.failUnless(self.gccollect())
self.assertEquals(bus.__gstrefcount__, 1)
class PipelineAndBus(TestCase):
def setUp(self):
TestCase.setUp(self)
self.pipeline = gst.Pipeline('test-pipeline')
source = gst.element_factory_make('fakesrc', 'source')
sink = gst.element_factory_make('fakesink', 'sink')
self.pipeline.add(source, sink)
gst.element_link_many(source, sink)
self.bus = self.pipeline.get_bus()
self.assertEquals(self.bus.__gstrefcount__, 2)
self.handler = self.bus.add_watch(self._message_received)
self.assertEquals(self.bus.__gstrefcount__, 3)
self.assertEquals(self.pipeline.__gstrefcount__, 1)
self.loop = gobject.MainLoop()
def tearDown(self):
# FIXME: fix the refcount issues with the bus/pipeline
# flush the bus to be able to assert on the pipeline refcount
#while self.pipeline.__gstrefcount__ > 1:
self.gccollect()
# one for the pipeline, two for the snake
# three for the watch now shake shake shake but don't you
self.assertEquals(self.bus.__gstrefcount__, 3)
self.failUnless(gobject.source_remove(self.handler))
self.assertEquals(self.bus.__gstrefcount__, 2)
self.gccollect()
gst.debug('THOMAS: pipeline rc %d' % self.pipeline.__gstrefcount__)
#self.assertEquals(self.pipeline.__gstrefcount__, 1)
del self.pipeline
self.gccollect()
#self.assertEquals(self.bus.__gstrefcount__, 2)
del self.bus
self.gccollect()
# the async thread can be holding a ref, Wim is going to work on this
#TestCase.tearDown(self)
def _message_received(self, bus, message):
gst.debug('received message: %s, %s' % (
message.src.get_path_string(), message.type.value_nicks[1]))
t = message.type
if t == gst.MESSAGE_STATE_CHANGED:
old, new, pen = message.parse_state_changed()
gst.debug('%r state change from %r to %r' % (
message.src.get_path_string(), old, new))
if message.src == self.pipeline and new == self.final:
self.loop.quit()
return True
def testPlaying(self):
self.final = gst.STATE_PLAYING
ret = self.pipeline.set_state(gst.STATE_PLAYING)
self.assertEquals(ret, gst.STATE_CHANGE_ASYNC)
# go into a main loop to wait for messages
self.loop.run()
# we go to READY so we get messages; going to NULL would set
# the bus flushing
self.final = gst.STATE_READY
ret = self.pipeline.set_state(gst.STATE_READY)
self.assertEquals(ret, gst.STATE_CHANGE_SUCCESS)
self.loop.run()
# FIXME: not setting to NULL causes a deadlock; we might want to
# fix this in the bindings
self.assertEquals(self.pipeline.set_state(gst.STATE_NULL),
gst.STATE_CHANGE_SUCCESS)
self.assertEquals(self.pipeline.get_state(),
(gst.STATE_CHANGE_SUCCESS, gst.STATE_NULL, gst.STATE_VOID_PENDING))
self.gccollect()
class TestPipeSub(gst.Pipeline):
def do_handle_message(self, message):
self.debug('do_handle_message')
gst.Pipeline.do_handle_message(self, message)
self.type = message.type
gobject.type_register(TestPipeSub)
class TestPipeSubSub(TestPipeSub):
def do_handle_message(self, message):
self.debug('do_handle_message')
TestPipeSub.do_handle_message(self, message)
gobject.type_register(TestPipeSubSub)
# see http://bugzilla.gnome.org/show_bug.cgi?id=577735
class TestSubClass(TestCase):
def setUp(self):
self.gctrack()
def tearDown(self):
self.gccollect()
self.gcverify()
def testSubClass(self):
p = TestPipeSub()
u = gst.element_factory_make('uridecodebin')
self.assertEquals(u.__grefcount__, 1)
self.failIf(getattr(p, 'type', None))
# adding uridecodebin triggers a clock-provide message;
# this message should be dropped, and thus not affect
# the refcount of u beyond the parenting.
p.add(u)
self.assertEquals(getattr(p, 'type', None), gst.MESSAGE_CLOCK_PROVIDE)
self.assertEquals(u.__grefcount__, 2)
del p
self.assertEquals(u.__grefcount__, 1)
def testSubSubClass(self):
# Edward is worried that a subclass of a subclass will screw up
# the refcounting wrt. GST_BUS_DROP
p = TestPipeSubSub()
u = gst.element_factory_make('uridecodebin')
self.assertEquals(u.__grefcount__, 1)
self.failIf(getattr(p, 'type', None))
p.add(u)
self.assertEquals(getattr(p, 'type', None), gst.MESSAGE_CLOCK_PROVIDE)
self.assertEquals(u.__grefcount__, 2)
del p
self.assertEquals(u.__grefcount__, 1)
if __name__ == "__main__":
unittest.main()
|
