1 /* GStreamer
2 * Copyright (C) 2005 Wim Taymans <wim@fluendo.com>
3 * Copyright (C) 2005 Thomas Vander Stichele <thomas at apestaart dot org>
4 *
5 * gstbin.c: Unit test for GstBin
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22 #ifdef HAVE_CONFIG_H
23 #include "config.h"
24 #endif
25
26 #include <gst/check/gstcheck.h>
27 #include <gst/base/gstbasesrc.h>
28
29 static void
pop_async_done(GstBus * bus)30 pop_async_done (GstBus * bus)
31 {
32 GstMessage *message;
33
34 GST_DEBUG ("popping async-done message");
35 message = gst_bus_poll (bus, GST_MESSAGE_ASYNC_DONE, -1);
36
37 fail_unless (message && GST_MESSAGE_TYPE (message)
38 == GST_MESSAGE_ASYNC_DONE, "did not get GST_MESSAGE_ASYNC_DONE");
39
40 gst_message_unref (message);
41 GST_DEBUG ("popped message");
42 }
43
44 static void
pop_latency(GstBus * bus)45 pop_latency (GstBus * bus)
46 {
47 GstMessage *message;
48
49 GST_DEBUG ("popping async-done message");
50 message = gst_bus_poll (bus, GST_MESSAGE_LATENCY, -1);
51
52 fail_unless (message && GST_MESSAGE_TYPE (message)
53 == GST_MESSAGE_LATENCY, "did not get GST_MESSAGE_LATENCY");
54
55 gst_message_unref (message);
56 GST_DEBUG ("popped message");
57 }
58
59 static void
pop_state_changed(GstBus * bus,int count)60 pop_state_changed (GstBus * bus, int count)
61 {
62 GstMessage *message;
63
64 int i;
65
66 GST_DEBUG ("popping %d messages", count);
67 for (i = 0; i < count; ++i) {
68 message = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, -1);
69
70 fail_unless (message && GST_MESSAGE_TYPE (message)
71 == GST_MESSAGE_STATE_CHANGED, "did not get GST_MESSAGE_STATE_CHANGED");
72
73 gst_message_unref (message);
74 }
75 GST_DEBUG ("popped %d messages", count);
76 }
77
78 static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
79 GST_PAD_SRC,
80 GST_PAD_ALWAYS,
81 GST_STATIC_CAPS_ANY);
82
83 static gpointer
push_one_eos(GstPad * pad)84 push_one_eos (GstPad * pad)
85 {
86 GST_DEBUG_OBJECT (pad, "Pushing EOS event");
87 gst_pad_push_event (pad, gst_event_new_eos ());
88
89 return NULL;
90 }
91
92 static gpointer
push_one_stream_start(GstPad * pad)93 push_one_stream_start (GstPad * pad)
94 {
95 GST_DEBUG_OBJECT (pad, "Pushing STREAM_START event");
96 gst_pad_push_event (pad, gst_event_new_stream_start ("test"));
97
98 return NULL;
99 }
100
GST_START_TEST(test_interface)101 GST_START_TEST (test_interface)
102 {
103 GstBin *bin, *bin2;
104 GstElement *filesrc;
105 GstIterator *it;
106 GValue item = { 0, };
107
108 bin = GST_BIN (gst_bin_new (NULL));
109 fail_unless (bin != NULL, "Could not create bin");
110
111 filesrc = gst_element_factory_make ("filesrc", NULL);
112 fail_unless (filesrc != NULL, "Could not create filesrc");
113 fail_unless (GST_IS_URI_HANDLER (filesrc), "Filesrc not a URI handler");
114 gst_bin_add (bin, filesrc);
115
116 fail_unless (gst_bin_get_by_interface (bin, GST_TYPE_URI_HANDLER) == filesrc);
117 gst_object_unref (filesrc);
118
119 it = gst_bin_iterate_all_by_interface (bin, GST_TYPE_URI_HANDLER);
120 fail_unless (it != NULL);
121 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
122 fail_unless (g_value_get_object (&item) == (gpointer) filesrc);
123 g_value_reset (&item);
124 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
125 gst_iterator_free (it);
126
127 gst_bin_add_many (bin,
128 gst_element_factory_make ("identity", NULL),
129 gst_element_factory_make ("identity", NULL),
130 gst_element_factory_make ("identity", NULL), NULL);
131 it = gst_bin_iterate_all_by_interface (bin, GST_TYPE_URI_HANDLER);
132 fail_unless (it != NULL);
133 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
134 fail_unless (g_value_get_object (&item) == (gpointer) filesrc);
135 g_value_reset (&item);
136 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
137 gst_iterator_free (it);
138
139 bin2 = bin;
140 bin = GST_BIN (gst_bin_new (NULL));
141 fail_unless (bin != NULL);
142 gst_bin_add_many (bin,
143 gst_element_factory_make ("identity", NULL),
144 gst_element_factory_make ("identity", NULL),
145 GST_ELEMENT (bin2), gst_element_factory_make ("identity", NULL), NULL);
146 it = gst_bin_iterate_all_by_interface (bin, GST_TYPE_URI_HANDLER);
147 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
148 fail_unless (g_value_get_object (&item) == (gpointer) filesrc);
149 g_value_reset (&item);
150 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
151 gst_iterator_free (it);
152
153 gst_bin_add (bin, gst_element_factory_make ("filesrc", NULL));
154 gst_bin_add (bin2, gst_element_factory_make ("filesrc", NULL));
155 it = gst_bin_iterate_all_by_interface (bin, GST_TYPE_URI_HANDLER);
156 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
157 g_value_reset (&item);
158 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
159 g_value_reset (&item);
160 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
161 g_value_reset (&item);
162 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
163 g_value_unset (&item);
164 gst_iterator_free (it);
165
166 gst_object_unref (bin);
167 }
168
169 GST_END_TEST;
170
GST_START_TEST(test_iterate_all_by_element_factory_name)171 GST_START_TEST (test_iterate_all_by_element_factory_name)
172 {
173 GstBin *bin, *bin2;
174 GstElement *filesrc;
175 GstIterator *it;
176 GValue item = { 0, };
177
178 bin = GST_BIN (gst_bin_new (NULL));
179 fail_unless (bin != NULL, "Could not create bin");
180
181 filesrc = gst_element_factory_make ("filesrc", NULL);
182 fail_unless (filesrc != NULL, "Could not create filesrc");
183 gst_bin_add (bin, filesrc);
184
185 /* Test bin with single element */
186 it = gst_bin_iterate_all_by_element_factory_name (bin, "filesrc");
187 fail_unless (it != NULL);
188 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
189 fail_unless (g_value_get_object (&item) == (gpointer) filesrc);
190 g_value_reset (&item);
191 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
192 gst_iterator_free (it);
193
194 /* Negative test bin with single element */
195 it = gst_bin_iterate_all_by_element_factory_name (bin, "filesink");
196 fail_unless (it != NULL);
197 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
198 gst_iterator_free (it);
199
200 /* Test bin with multiple other elements, 1 layer */
201 gst_bin_add_many (bin,
202 gst_element_factory_make ("identity", NULL),
203 gst_element_factory_make ("identity", NULL),
204 gst_element_factory_make ("identity", NULL), NULL);
205 it = gst_bin_iterate_all_by_element_factory_name (bin, "filesrc");
206 fail_unless (it != NULL);
207 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
208 fail_unless (g_value_get_object (&item) == (gpointer) filesrc);
209 g_value_reset (&item);
210 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
211 gst_iterator_free (it);
212
213 /* Test bin with multiple other elements in subbins */
214 bin2 = bin;
215 bin = GST_BIN (gst_bin_new (NULL));
216 fail_unless (bin != NULL);
217 gst_bin_add_many (bin,
218 gst_element_factory_make ("identity", NULL),
219 gst_element_factory_make ("identity", NULL),
220 GST_ELEMENT (bin2), gst_element_factory_make ("identity", NULL), NULL);
221 it = gst_bin_iterate_all_by_element_factory_name (bin, "filesrc");
222 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
223 fail_unless (g_value_get_object (&item) == (gpointer) filesrc);
224 g_value_reset (&item);
225 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
226 gst_iterator_free (it);
227
228 /* Test bin with multiple other elements, multiple occurrences in subbins */
229 gst_bin_add (bin, gst_element_factory_make ("filesrc", NULL));
230 gst_bin_add (bin2, gst_element_factory_make ("filesrc", NULL));
231 it = gst_bin_iterate_all_by_element_factory_name (bin, "filesrc");
232 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
233 g_value_reset (&item);
234 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
235 g_value_reset (&item);
236 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
237 g_value_reset (&item);
238 fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
239 g_value_unset (&item);
240 gst_iterator_free (it);
241
242 gst_object_unref (bin);
243 }
244
245 GST_END_TEST;
246
GST_START_TEST(test_eos)247 GST_START_TEST (test_eos)
248 {
249 GstBus *bus;
250 GstElement *pipeline, *sink1, *sink2;
251 GstMessage *message;
252 GstPad *pad1, *pad2;
253 GThread *thread1, *thread2;
254
255 pipeline = gst_pipeline_new ("test_eos");
256 bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
257
258 sink1 = gst_element_factory_make ("fakesink", "sink1");
259 sink2 = gst_element_factory_make ("fakesink", "sink2");
260
261 gst_bin_add_many (GST_BIN (pipeline), sink1, sink2, NULL);
262
263 pad1 = gst_check_setup_src_pad_by_name (sink1, &srctemplate, "sink");
264 pad2 = gst_check_setup_src_pad_by_name (sink2, &srctemplate, "sink");
265
266 gst_pad_set_active (pad1, TRUE);
267 gst_pad_set_active (pad2, TRUE);
268
269 fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
270 GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE);
271
272 /* Send one EOS to sink1 */
273 thread1 = g_thread_new ("thread1", (GThreadFunc) push_one_eos, pad1);
274
275 /* Make sure the EOS message is not sent */
276 message =
277 gst_bus_poll (bus, GST_MESSAGE_ERROR | GST_MESSAGE_EOS, 2 * GST_SECOND);
278 fail_if (message != NULL);
279
280 /* Send one EOS to sink2 */
281 thread2 = g_thread_new ("thread2", (GThreadFunc) push_one_eos, pad2);
282
283 /* Make sure the EOS message is sent then */
284 message = gst_bus_poll (bus, GST_MESSAGE_ERROR | GST_MESSAGE_EOS, -1);
285 fail_if (message == NULL);
286 fail_unless (GST_MESSAGE_TYPE (message) == GST_MESSAGE_EOS);
287 gst_message_unref (message);
288
289 /* Cleanup */
290 g_thread_join (thread1);
291 g_thread_join (thread2);
292
293 gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
294 gst_pad_set_active (pad1, FALSE);
295 gst_pad_set_active (pad2, FALSE);
296 gst_check_teardown_src_pad (sink1);
297 gst_check_teardown_src_pad (sink2);
298 gst_object_unref (bus);
299 gst_object_unref (pipeline);
300 }
301
302 GST_END_TEST;
303
GST_START_TEST(test_eos_recheck)304 GST_START_TEST (test_eos_recheck)
305 {
306 GstBus *bus;
307 GstElement *pipeline, *sink1, *sink2;
308 GstMessage *message;
309 GstPad *pad1;
310 GThread *thread1;
311
312 pipeline = gst_pipeline_new ("test_eos_recheck");
313 bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
314
315 sink1 = gst_element_factory_make ("fakesink", "sink1");
316 sink2 = gst_element_factory_make ("fakesink", "sink2");
317
318 gst_bin_add_many (GST_BIN (pipeline), sink1, sink2, NULL);
319
320 /* Set async=FALSE so we don't wait for preroll */
321 g_object_set (sink1, "async", FALSE, NULL);
322 g_object_set (sink2, "async", FALSE, NULL);
323
324 pad1 = gst_check_setup_src_pad_by_name (sink1, &srctemplate, "sink");
325
326 gst_pad_set_active (pad1, TRUE);
327
328 fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
329 GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE);
330 fail_unless (gst_element_get_state (GST_ELEMENT (pipeline), NULL, NULL,
331 GST_CLOCK_TIME_NONE) == GST_STATE_CHANGE_SUCCESS);
332
333 /* Send one EOS to sink1 */
334 thread1 = g_thread_new ("thread1", (GThreadFunc) push_one_eos, pad1);
335
336 /* Make sure the EOS message is not sent */
337 message =
338 gst_bus_poll (bus, GST_MESSAGE_ERROR | GST_MESSAGE_EOS, 2 * GST_SECOND);
339 fail_if (message != NULL);
340
341 /* Remove sink2 without it EOSing, which should trigger an EOS re-check */
342 gst_object_ref (sink2);
343 gst_bin_remove (GST_BIN (pipeline), sink2);
344 gst_element_set_state (GST_ELEMENT (sink2), GST_STATE_NULL);
345
346 /* Make sure the EOS message is sent then */
347 message =
348 gst_bus_poll (bus, GST_MESSAGE_ERROR | GST_MESSAGE_EOS, 20 * GST_SECOND);
349 fail_if (message == NULL);
350 fail_unless (GST_MESSAGE_TYPE (message) == GST_MESSAGE_EOS);
351 gst_message_unref (message);
352
353 /* Cleanup */
354 g_thread_join (thread1);
355
356 gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
357 gst_pad_set_active (pad1, FALSE);
358 gst_check_teardown_src_pad (sink1);
359 gst_object_unref (sink2);
360 gst_object_unref (bus);
361 gst_object_unref (pipeline);
362 }
363
364 GST_END_TEST;
365
GST_START_TEST(test_stream_start)366 GST_START_TEST (test_stream_start)
367 {
368 GstBus *bus;
369 GstElement *pipeline, *sink1, *sink2;
370 GstMessage *message;
371 GstPad *pad1, *pad2;
372 GThread *thread1, *thread2;
373
374 pipeline = gst_pipeline_new ("test_stream_start");
375 bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
376
377 sink1 = gst_element_factory_make ("fakesink", "sink1");
378 sink2 = gst_element_factory_make ("fakesink", "sink2");
379
380 gst_bin_add_many (GST_BIN (pipeline), sink1, sink2, NULL);
381
382 pad1 = gst_check_setup_src_pad_by_name (sink1, &srctemplate, "sink");
383 pad2 = gst_check_setup_src_pad_by_name (sink2, &srctemplate, "sink");
384
385 gst_pad_set_active (pad1, TRUE);
386 gst_pad_set_active (pad2, TRUE);
387
388 fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
389 GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE);
390
391 /* Send one STREAM_START to sink1 */
392 thread1 = g_thread_new ("thread1", (GThreadFunc) push_one_stream_start, pad1);
393
394 /* Make sure the STREAM_START message is not sent */
395 message =
396 gst_bus_poll (bus, GST_MESSAGE_ERROR | GST_MESSAGE_STREAM_START,
397 2 * GST_SECOND);
398 fail_if (message != NULL);
399
400 /* Send one STREAM_START to sink2 */
401 thread2 = g_thread_new ("thread2", (GThreadFunc) push_one_stream_start, pad2);
402
403 /* Make sure the STREAM_START message is sent then */
404 message =
405 gst_bus_poll (bus, GST_MESSAGE_ERROR | GST_MESSAGE_STREAM_START, -1);
406 fail_if (message == NULL);
407 fail_unless (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STREAM_START);
408 gst_message_unref (message);
409
410 /* Cleanup */
411 g_thread_join (thread1);
412 g_thread_join (thread2);
413
414 gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
415 gst_pad_set_active (pad1, FALSE);
416 gst_pad_set_active (pad2, FALSE);
417 gst_check_teardown_src_pad (sink1);
418 gst_check_teardown_src_pad (sink2);
419 gst_object_unref (bus);
420 gst_object_unref (pipeline);
421 }
422
423 GST_END_TEST;
424
GST_START_TEST(test_message_state_changed)425 GST_START_TEST (test_message_state_changed)
426 {
427 GstBin *bin;
428 GstBus *bus;
429 GstMessage *message;
430 GstStateChangeReturn ret;
431
432 bin = GST_BIN (gst_bin_new (NULL));
433 fail_unless (bin != NULL, "Could not create bin");
434 ASSERT_OBJECT_REFCOUNT (bin, "bin", 1);
435
436 bus = g_object_new (gst_bus_get_type (), NULL);
437 gst_object_ref_sink (bus);
438 gst_element_set_bus (GST_ELEMENT_CAST (bin), bus);
439
440 /* change state, spawning a message, causing an incref on the bin */
441 ret = gst_element_set_state (GST_ELEMENT (bin), GST_STATE_READY);
442 fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
443
444 ASSERT_OBJECT_REFCOUNT (bin, "bin", 2);
445
446 /* get and unref the message, causing a decref on the bin */
447 message = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, -1);
448
449 fail_unless (message && GST_MESSAGE_TYPE (message)
450 == GST_MESSAGE_STATE_CHANGED, "did not get GST_MESSAGE_STATE_CHANGED");
451
452 gst_message_unref (message);
453
454 ASSERT_OBJECT_REFCOUNT (bin, "bin", 1);
455
456 gst_bus_set_flushing (bus, TRUE);
457
458 /* clean up */
459 ret = gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL);
460 fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
461
462 gst_object_unref (bus);
463 gst_object_unref (bin);
464 }
465
466 GST_END_TEST;
467
GST_START_TEST(test_message_state_changed_child)468 GST_START_TEST (test_message_state_changed_child)
469 {
470 GstBin *bin;
471 GstElement *src;
472 GstBus *bus;
473 GstMessage *message;
474 GstStateChangeReturn ret;
475
476 bin = GST_BIN (gst_bin_new (NULL));
477 fail_unless (bin != NULL, "Could not create bin");
478 ASSERT_OBJECT_REFCOUNT (bin, "bin", 1);
479
480 bus = g_object_new (gst_bus_get_type (), NULL);
481 gst_object_ref_sink (bus);
482 gst_element_set_bus (GST_ELEMENT_CAST (bin), bus);
483
484 src = gst_element_factory_make ("fakesrc", NULL);
485 fail_if (src == NULL, "Could not create fakesrc");
486 gst_bin_add (bin, src);
487 ASSERT_OBJECT_REFCOUNT (bin, "bin", 1);
488 ASSERT_OBJECT_REFCOUNT (src, "src", 1);
489
490 /* change state, spawning two messages:
491 * - first for fakesrc, forwarded to bin's bus, causing incref on fakesrc
492 * - second for bin, causing an incref on the bin */
493 GST_DEBUG ("setting bin to READY");
494 ret = gst_element_set_state (GST_ELEMENT (bin), GST_STATE_READY);
495 fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
496
497 ASSERT_OBJECT_REFCOUNT (src, "src", 2);
498 ASSERT_OBJECT_REFCOUNT (bin, "bin", 2);
499
500 /* get and unref the message, causing a decref on the src */
501 message = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, -1);
502 fail_unless (message && GST_MESSAGE_TYPE (message)
503 == GST_MESSAGE_STATE_CHANGED, "did not get GST_MESSAGE_STATE_CHANGED");
504
505 fail_unless (message->src == GST_OBJECT (src));
506 gst_message_unref (message);
507
508 ASSERT_OBJECT_REFCOUNT (src, "src", 1);
509 ASSERT_OBJECT_REFCOUNT (bin, "bin", 2);
510
511 /* get and unref message 2, causing a decref on the bin */
512 message = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, -1);
513 fail_unless (message && GST_MESSAGE_TYPE (message)
514 == GST_MESSAGE_STATE_CHANGED, "did not get GST_MESSAGE_STATE_CHANGED");
515
516 fail_unless (message->src == GST_OBJECT (bin));
517 gst_message_unref (message);
518
519 ASSERT_OBJECT_REFCOUNT (src, "src", 1);
520 ASSERT_OBJECT_REFCOUNT (bin, "bin", 1);
521
522 gst_bus_set_flushing (bus, TRUE);
523
524 /* clean up */
525 ret = gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL);
526 fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
527
528 gst_object_unref (bus);
529 gst_object_unref (bin);
530 }
531
532 GST_END_TEST;
533
GST_START_TEST(test_message_state_changed_children)534 GST_START_TEST (test_message_state_changed_children)
535 {
536 GstPipeline *pipeline;
537 GstElement *src, *sink;
538 GstBus *bus;
539 GstStateChangeReturn ret;
540 GstState current, pending;
541
542 pipeline = GST_PIPELINE (gst_pipeline_new (NULL));
543 fail_unless (pipeline != NULL, "Could not create pipeline");
544 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
545
546 src = gst_element_factory_make ("fakesrc", NULL);
547 fail_if (src == NULL, "Could not create fakesrc");
548 /* need to silence the element as the deep_notify refcounts the
549 * parents while running */
550 g_object_set (G_OBJECT (src), "silent", TRUE, NULL);
551 gst_bin_add (GST_BIN (pipeline), src);
552
553 sink = gst_element_factory_make ("fakesink", NULL);
554 /* need to silence the element as the deep_notify refcounts the
555 * parents while running */
556 g_object_set (G_OBJECT (sink), "silent", TRUE, NULL);
557 fail_if (sink == NULL, "Could not create fakesink");
558 gst_bin_add (GST_BIN (pipeline), sink);
559
560 fail_unless (gst_element_link (src, sink), "could not link src and sink");
561
562 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
563 ASSERT_OBJECT_REFCOUNT (src, "src", 1);
564 ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
565
566 bus = gst_pipeline_get_bus (pipeline);
567
568 /* change state to READY, spawning three messages */
569 GST_DEBUG ("setting pipeline to READY");
570 ret = gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_READY);
571 fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
572
573 /* each object is referenced by a message */
574 ASSERT_OBJECT_REFCOUNT (bus, "bus", 2);
575 ASSERT_OBJECT_REFCOUNT (src, "src", 2);
576 ASSERT_OBJECT_REFCOUNT (sink, "sink", 2);
577 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 2);
578
579 pop_state_changed (bus, 3);
580 fail_if (gst_bus_have_pending (bus), "unexpected pending messages");
581
582 ASSERT_OBJECT_REFCOUNT (bus, "bus", 2);
583 ASSERT_OBJECT_REFCOUNT (src, "src", 1);
584 ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
585 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
586
587 /* change state to PAUSED, spawning four messages */
588 /* STATE_CHANGED (NULL => READY)
589 * STREAM_START
590 * ASYNC_DONE
591 * STATE_CHANGED (READY => PAUSED)
592 */
593 GST_DEBUG ("setting pipeline to PAUSED");
594 ret = gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PAUSED);
595 fail_unless (ret == GST_STATE_CHANGE_ASYNC);
596 ret =
597 gst_element_get_state (GST_ELEMENT (pipeline), ¤t, &pending,
598 GST_CLOCK_TIME_NONE);
599 fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
600 fail_unless (current == GST_STATE_PAUSED);
601 fail_unless (pending == GST_STATE_VOID_PENDING);
602
603 /* wait for async thread to settle down */
604 GST_DEBUG ("waiting for refcount");
605 while (GST_OBJECT_REFCOUNT_VALUE (pipeline) > 4)
606 THREAD_SWITCH ();
607 GST_DEBUG ("refcount <= 4 now");
608
609 /* each object is referenced by a message;
610 * base_src is blocked in the push and has an extra refcount.
611 * base_sink_chain has taken a refcount on the sink, and is blocked on
612 * preroll
613 * The stream-status messages holds 2 more refs to the element */
614 ASSERT_OBJECT_REFCOUNT (src, "src", 4);
615 /* refcount can be 4 if the bin is still processing the async_done message of
616 * the sink. */
617 ASSERT_OBJECT_REFCOUNT_BETWEEN (sink, "sink", 2, 4);
618 /* 3 or 4 is valid, because the pipeline might still be posting
619 * its state_change message */
620 ASSERT_OBJECT_REFCOUNT_BETWEEN (pipeline, "pipeline", 3, 4);
621
622 pop_state_changed (bus, 3);
623 pop_async_done (bus);
624 pop_latency (bus);
625 fail_if ((gst_bus_pop (bus)) != NULL);
626
627 ASSERT_OBJECT_REFCOUNT_BETWEEN (bus, "bus", 2, 3);
628 ASSERT_OBJECT_REFCOUNT (src, "src", 1);
629 ASSERT_OBJECT_REFCOUNT_BETWEEN (sink, "sink", 2, 3);
630 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
631
632 /* change state to PLAYING, spawning three messages */
633 GST_DEBUG ("setting pipeline to PLAYING");
634 ret = gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
635 fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
636 ret =
637 gst_element_get_state (GST_ELEMENT (pipeline), ¤t, &pending,
638 GST_CLOCK_TIME_NONE);
639 fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
640 fail_unless (current == GST_STATE_PLAYING);
641 fail_unless (pending == GST_STATE_VOID_PENDING);
642
643 /* each object is referenced by one message
644 * src might have an extra reference if it's still pushing
645 * sink might have an extra reference if it's still blocked on preroll
646 * pipeline posted a new-clock message too. */
647 ASSERT_OBJECT_REFCOUNT_BETWEEN (src, "src", 2, 3);
648 ASSERT_OBJECT_REFCOUNT_BETWEEN (sink, "sink", 2, 4);
649 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 3);
650
651 pop_state_changed (bus, 3);
652 fail_if ((gst_bus_pop (bus)) != NULL);
653
654 ASSERT_OBJECT_REFCOUNT (bus, "bus", 2);
655 /* src might have an extra reference if it's still pushing */
656 ASSERT_OBJECT_REFCOUNT_BETWEEN (src, "src", 1, 2);
657 /* sink might have an extra reference if it's still blocked on preroll */
658 ASSERT_OBJECT_REFCOUNT_BETWEEN (sink, "sink", 1, 3);
659 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
660
661 /* go back to READY, spawning six messages */
662 GST_DEBUG ("setting pipeline to READY");
663 ret = gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_READY);
664 fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
665
666 /* each object is referenced by two messages, the source also has the
667 * stream-status message referencing it */
668 ASSERT_OBJECT_REFCOUNT (src, "src", 4);
669 ASSERT_OBJECT_REFCOUNT_BETWEEN (sink, "sink", 3, 4);
670 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 3);
671
672 pop_state_changed (bus, 6);
673 fail_if ((gst_bus_pop (bus)) != NULL);
674
675 ASSERT_OBJECT_REFCOUNT (src, "src", 1);
676 ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
677 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
678
679 /* setting pipeline to NULL flushes the bus automatically */
680 ret = gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
681 fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
682
683 ASSERT_OBJECT_REFCOUNT (src, "src", 1);
684 ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
685 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
686
687 /* clean up */
688 gst_object_unref (bus);
689 gst_object_unref (pipeline);
690 }
691
692 GST_END_TEST;
693
GST_START_TEST(test_watch_for_state_change)694 GST_START_TEST (test_watch_for_state_change)
695 {
696 GstElement *src, *sink, *bin;
697 GstBus *bus;
698 GstStateChangeReturn ret;
699
700 bin = gst_element_factory_make ("bin", NULL);
701 fail_unless (bin != NULL, "Could not create bin");
702
703 bus = g_object_new (gst_bus_get_type (), NULL);
704 gst_object_ref_sink (bus);
705 gst_element_set_bus (GST_ELEMENT_CAST (bin), bus);
706
707 src = gst_element_factory_make ("fakesrc", NULL);
708 fail_if (src == NULL, "Could not create fakesrc");
709 sink = gst_element_factory_make ("fakesink", NULL);
710 fail_if (sink == NULL, "Could not create fakesink");
711
712 gst_bin_add (GST_BIN (bin), sink);
713 gst_bin_add (GST_BIN (bin), src);
714
715 fail_unless (gst_element_link (src, sink), "could not link src and sink");
716
717 /* change state, spawning two times three messages */
718 ret = gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PAUSED);
719 fail_unless (ret == GST_STATE_CHANGE_ASYNC);
720 ret =
721 gst_element_get_state (GST_ELEMENT (bin), NULL, NULL,
722 GST_CLOCK_TIME_NONE);
723 fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
724
725 pop_state_changed (bus, 6);
726 pop_async_done (bus);
727 pop_latency (bus);
728
729 fail_unless (gst_bus_have_pending (bus) == FALSE,
730 "Unexpected messages on bus");
731
732 ret = gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PLAYING);
733 fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
734
735 pop_state_changed (bus, 3);
736
737 /* this one might return either SUCCESS or ASYNC, likely SUCCESS */
738 ret = gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PAUSED);
739 gst_element_get_state (GST_ELEMENT (bin), NULL, NULL, GST_CLOCK_TIME_NONE);
740
741 pop_state_changed (bus, 3);
742 if (ret == GST_STATE_CHANGE_ASYNC) {
743 pop_async_done (bus);
744 pop_latency (bus);
745 }
746
747 fail_unless (gst_bus_have_pending (bus) == FALSE,
748 "Unexpected messages on bus");
749
750 gst_bus_set_flushing (bus, TRUE);
751
752 ret = gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL);
753 fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
754
755 /* clean up */
756 gst_object_unref (bus);
757 gst_object_unref (bin);
758 }
759
760 GST_END_TEST;
761
GST_START_TEST(test_state_change_error_message)762 GST_START_TEST (test_state_change_error_message)
763 {
764 GstElement *src, *sink, *bin;
765 GstBus *bus;
766 GstStateChangeReturn ret;
767
768 bin = gst_element_factory_make ("bin", NULL);
769 fail_unless (bin != NULL, "Could not create bin");
770
771 bus = g_object_new (gst_bus_get_type (), NULL);
772 gst_object_ref_sink (bus);
773 gst_element_set_bus (GST_ELEMENT_CAST (bin), bus);
774
775 src = gst_element_factory_make ("fakesrc", NULL);
776 fail_if (src == NULL, "Could not create fakesrc");
777 sink = gst_element_factory_make ("fakesink", NULL);
778 fail_if (sink == NULL, "Could not create fakesink");
779
780 /* add but don't link elements */
781 gst_bin_add (GST_BIN (bin), sink);
782 gst_bin_add (GST_BIN (bin), src);
783
784 /* change state, this should succeed */
785 ret = gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PAUSED);
786 fail_unless (ret == GST_STATE_CHANGE_ASYNC);
787
788 /* now wait, the streaming thread will error because the source is not
789 * linked. */
790 ret = gst_element_get_state (GST_ELEMENT (bin), NULL, NULL,
791 GST_CLOCK_TIME_NONE);
792 fail_unless (ret == GST_STATE_CHANGE_FAILURE);
793
794 gst_bus_set_flushing (bus, TRUE);
795
796 /* setting bin to NULL flushes the bus automatically */
797 ret = gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL);
798 fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
799
800 /* clean up */
801 gst_object_unref (bus);
802 gst_object_unref (bin);
803 }
804
805 GST_END_TEST;
806
807
808 /* adding an element with linked pads to a bin unlinks the
809 * pads */
GST_START_TEST(test_add_linked)810 GST_START_TEST (test_add_linked)
811 {
812 GstElement *src, *sink;
813 GstPad *srcpad, *sinkpad;
814 GstElement *pipeline;
815
816 pipeline = gst_pipeline_new (NULL);
817 fail_unless (pipeline != NULL, "Could not create pipeline");
818
819 src = gst_element_factory_make ("fakesrc", NULL);
820 fail_if (src == NULL, "Could not create fakesrc");
821 sink = gst_element_factory_make ("fakesink", NULL);
822 fail_if (sink == NULL, "Could not create fakesink");
823
824 srcpad = gst_element_get_static_pad (src, "src");
825 fail_unless (srcpad != NULL);
826 sinkpad = gst_element_get_static_pad (sink, "sink");
827 fail_unless (sinkpad != NULL);
828
829 fail_unless (gst_pad_link (srcpad, sinkpad) == GST_PAD_LINK_OK);
830
831 /* pads are linked now */
832 fail_unless (gst_pad_is_linked (srcpad));
833 fail_unless (gst_pad_is_linked (sinkpad));
834
835 /* adding element to bin voids hierarchy so pads are unlinked */
836 gst_bin_add (GST_BIN (pipeline), src);
837
838 /* check if pads really are unlinked */
839 fail_unless (!gst_pad_is_linked (srcpad));
840 fail_unless (!gst_pad_is_linked (sinkpad));
841
842 /* cannot link pads in wrong hierarchy */
843 fail_unless (gst_pad_link (srcpad, sinkpad) == GST_PAD_LINK_WRONG_HIERARCHY);
844
845 /* adding other element to bin as well */
846 gst_bin_add (GST_BIN (pipeline), sink);
847
848 /* now we can link again */
849 fail_unless (gst_pad_link (srcpad, sinkpad) == GST_PAD_LINK_OK);
850
851 /* check if pads really are linked */
852 fail_unless (gst_pad_is_linked (srcpad));
853 fail_unless (gst_pad_is_linked (sinkpad));
854
855 gst_object_unref (srcpad);
856 gst_object_unref (sinkpad);
857 gst_object_unref (pipeline);
858 }
859
860 GST_END_TEST;
861
862 /* adding ourself should fail */
GST_START_TEST(test_add_self)863 GST_START_TEST (test_add_self)
864 {
865 GstElement *bin;
866
867 bin = gst_bin_new (NULL);
868 fail_unless (bin != NULL, "Could not create bin");
869
870 ASSERT_CRITICAL (gst_bin_add (GST_BIN (bin), bin));
871
872 gst_object_unref (bin);
873 }
874
875 GST_END_TEST;
876
877
878 /* g_print ("%10s: %4d => %4d\n", GST_OBJECT_NAME (msg->src), old, new); */
879
880 #define ASSERT_STATE_CHANGE_MSG(bus,element,old_state,new_state,num) \
881 { \
882 GstMessage *msg; \
883 GstState old = 0, new = 0, pending = 0; \
884 msg = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, GST_SECOND); \
885 fail_if (msg == NULL, "No state change message within 1 second (#" \
886 G_STRINGIFY (num) ")"); \
887 gst_message_parse_state_changed (msg, &old, &new, &pending); \
888 fail_if (msg->src != GST_OBJECT (element), G_STRINGIFY(element) \
889 " should have changed state next (#" G_STRINGIFY (num) ")"); \
890 fail_if (old != old_state || new != new_state, "state change is not " \
891 G_STRINGIFY (old_state) " => " G_STRINGIFY (new_state)); \
892 gst_message_unref (msg); \
893 }
894
GST_START_TEST(test_children_state_change_order_flagged_sink)895 GST_START_TEST (test_children_state_change_order_flagged_sink)
896 {
897 GstElement *src, *identity, *sink, *pipeline;
898 GstStateChangeReturn ret;
899 GstState current, pending;
900 GstBus *bus;
901
902 pipeline = gst_pipeline_new (NULL);
903 fail_unless (pipeline != NULL, "Could not create pipeline");
904
905 bus = gst_element_get_bus (pipeline);
906 fail_unless (bus != NULL, "Pipeline has no bus?!");
907
908 src = gst_element_factory_make ("fakesrc", NULL);
909 fail_if (src == NULL, "Could not create fakesrc");
910 g_object_set (src, "num-buffers", 5, NULL);
911
912 identity = gst_element_factory_make ("identity", NULL);
913 fail_if (identity == NULL, "Could not create identity");
914
915 sink = gst_element_factory_make ("fakesink", NULL);
916 fail_if (sink == NULL, "Could not create fakesink");
917
918 gst_bin_add_many (GST_BIN (pipeline), src, identity, sink, NULL);
919
920 fail_unless (gst_element_link (src, identity) == TRUE);
921 fail_unless (gst_element_link (identity, sink) == TRUE);
922
923 /* (1) Test state change with fakesink being a regular sink */
924 ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
925 fail_if (ret != GST_STATE_CHANGE_ASYNC,
926 "State change to PLAYING did not return ASYNC");
927 ret =
928 gst_element_get_state (pipeline, ¤t, &pending, GST_CLOCK_TIME_NONE);
929 fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to PLAYING failed");
930 fail_if (current != GST_STATE_PLAYING, "State change to PLAYING failed");
931 fail_if (pending != GST_STATE_VOID_PENDING, "State change to PLAYING failed");
932
933 /* NULL => READY */
934 ASSERT_STATE_CHANGE_MSG (bus, sink, GST_STATE_NULL, GST_STATE_READY, 101);
935 ASSERT_STATE_CHANGE_MSG (bus, identity, GST_STATE_NULL, GST_STATE_READY, 102);
936 ASSERT_STATE_CHANGE_MSG (bus, src, GST_STATE_NULL, GST_STATE_READY, 103);
937 ASSERT_STATE_CHANGE_MSG (bus, pipeline, GST_STATE_NULL, GST_STATE_READY, 104);
938
939 /* READY => PAUSED */
940 /* because of pre-rolling, sink will return ASYNC on state
941 * change and change state later when it has a buffer */
942 GST_DEBUG ("popping READY -> PAUSED messages");
943 ASSERT_STATE_CHANGE_MSG (bus, identity, GST_STATE_READY, GST_STATE_PAUSED,
944 105);
945 #if 0
946 /* From here on, all bets are off. Usually the source changes state next,
947 * but it might just as well be that the first buffer produced by the
948 * source reaches the sink before the source has finished its state change,
949 * in which case the sink will commit its new state before the source ... */
950 ASSERT_STATE_CHANGE_MSG (bus, src, GST_STATE_READY, GST_STATE_PAUSED, 106);
951 ASSERT_STATE_CHANGE_MSG (bus, sink, GST_STATE_READY, GST_STATE_PAUSED, 107);
952 #else
953
954 pop_state_changed (bus, 2); /* pop remaining ready => paused messages off the bus */
955 ASSERT_STATE_CHANGE_MSG (bus, pipeline, GST_STATE_READY, GST_STATE_PAUSED,
956 108);
957 pop_async_done (bus);
958 #endif
959 /* PAUSED => PLAYING */
960 GST_DEBUG ("popping PAUSED -> PLAYING messages");
961 ASSERT_STATE_CHANGE_MSG (bus, sink, GST_STATE_PAUSED, GST_STATE_PLAYING, 109);
962 ASSERT_STATE_CHANGE_MSG (bus, identity, GST_STATE_PAUSED, GST_STATE_PLAYING,
963 110);
964 ASSERT_STATE_CHANGE_MSG (bus, src, GST_STATE_PAUSED, GST_STATE_PLAYING, 111);
965 ASSERT_STATE_CHANGE_MSG (bus, pipeline, GST_STATE_PAUSED, GST_STATE_PLAYING,
966 112);
967
968 /* don't set to NULL that will set the bus flushing and kill our messages */
969 ret = gst_element_set_state (pipeline, GST_STATE_READY);
970 fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to READY failed");
971 ret = gst_element_get_state (pipeline, NULL, NULL, GST_CLOCK_TIME_NONE);
972 fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to READY failed");
973
974 /* TODO: do we need to check downwards state change order as well? */
975 pop_state_changed (bus, 4); /* pop playing => paused messages off the bus */
976 pop_state_changed (bus, 4); /* pop paused => ready messages off the bus */
977
978 while (GST_OBJECT_REFCOUNT_VALUE (pipeline) > 1)
979 THREAD_SWITCH ();
980
981 ASSERT_OBJECT_REFCOUNT (src, "src", 1);
982 ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
983 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
984
985 ret = gst_element_set_state (pipeline, GST_STATE_NULL);
986 fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to NULL failed");
987
988 ASSERT_OBJECT_REFCOUNT (src, "src", 1);
989 ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
990 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
991
992 gst_object_unref (bus);
993 gst_object_unref (pipeline);
994 }
995
996 GST_END_TEST;
997
998
GST_START_TEST(test_children_state_change_order_semi_sink)999 GST_START_TEST (test_children_state_change_order_semi_sink)
1000 {
1001 GstElement *src, *identity, *sink, *pipeline;
1002 GstStateChangeReturn ret;
1003 GstState current, pending;
1004 GstBus *bus;
1005
1006 /* (2) Now again, but check other code path where we don't have
1007 * a proper sink correctly flagged as such, but a 'semi-sink' */
1008 pipeline = gst_pipeline_new (NULL);
1009 fail_unless (pipeline != NULL, "Could not create pipeline");
1010
1011 bus = gst_element_get_bus (pipeline);
1012 fail_unless (bus != NULL, "Pipeline has no bus?!");
1013
1014 src = gst_element_factory_make ("fakesrc", NULL);
1015 fail_if (src == NULL, "Could not create fakesrc");
1016
1017 identity = gst_element_factory_make ("identity", NULL);
1018 fail_if (identity == NULL, "Could not create identity");
1019
1020 sink = gst_element_factory_make ("fakesink", NULL);
1021 fail_if (sink == NULL, "Could not create fakesink");
1022
1023 gst_bin_add_many (GST_BIN (pipeline), src, identity, sink, NULL);
1024
1025 fail_unless (gst_element_link (src, identity) == TRUE);
1026 fail_unless (gst_element_link (identity, sink) == TRUE);
1027
1028 /* this is not very nice but should work just fine in this case. */
1029 GST_OBJECT_FLAG_UNSET (sink, GST_ELEMENT_FLAG_SINK); /* <======== */
1030
1031 ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
1032 fail_if (ret != GST_STATE_CHANGE_ASYNC, "State change to PLAYING not ASYNC");
1033 ret =
1034 gst_element_get_state (pipeline, ¤t, &pending, GST_CLOCK_TIME_NONE);
1035 fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to PLAYING failed");
1036 fail_if (current != GST_STATE_PLAYING, "State change to PLAYING failed");
1037 fail_if (pending != GST_STATE_VOID_PENDING, "State change to PLAYING failed");
1038
1039 /* NULL => READY */
1040 ASSERT_STATE_CHANGE_MSG (bus, sink, GST_STATE_NULL, GST_STATE_READY, 201);
1041 ASSERT_STATE_CHANGE_MSG (bus, identity, GST_STATE_NULL, GST_STATE_READY, 202);
1042 ASSERT_STATE_CHANGE_MSG (bus, src, GST_STATE_NULL, GST_STATE_READY, 203);
1043 ASSERT_STATE_CHANGE_MSG (bus, pipeline, GST_STATE_NULL, GST_STATE_READY, 204);
1044
1045 /* READY => PAUSED */
1046 /* because of pre-rolling, sink will return ASYNC on state
1047 * change and change state later when it has a buffer */
1048 GST_DEBUG ("popping READY -> PAUSED messages");
1049 ASSERT_STATE_CHANGE_MSG (bus, identity, GST_STATE_READY, GST_STATE_PAUSED,
1050 205);
1051 #if 0
1052 /* From here on, all bets are off. Usually the source changes state next,
1053 * but it might just as well be that the first buffer produced by the
1054 * source reaches the sink before the source has finished its state change,
1055 * in which case the sink will commit its new state before the source ... */
1056 ASSERT_STATE_CHANGE_MSG (bus, src, GST_STATE_READY, GST_STATE_PAUSED, 206);
1057 ASSERT_STATE_CHANGE_MSG (bus, sink, GST_STATE_READY, GST_STATE_PAUSED, 207);
1058 #else
1059 pop_state_changed (bus, 2); /* pop remaining ready => paused messages off the bus */
1060 ASSERT_STATE_CHANGE_MSG (bus, pipeline, GST_STATE_READY, GST_STATE_PAUSED,
1061 208);
1062 pop_async_done (bus);
1063
1064 /* PAUSED => PLAYING */
1065 GST_DEBUG ("popping PAUSED -> PLAYING messages");
1066 ASSERT_STATE_CHANGE_MSG (bus, sink, GST_STATE_PAUSED, GST_STATE_PLAYING, 209);
1067 ASSERT_STATE_CHANGE_MSG (bus, identity, GST_STATE_PAUSED, GST_STATE_PLAYING,
1068 210);
1069 ASSERT_STATE_CHANGE_MSG (bus, src, GST_STATE_PAUSED, GST_STATE_PLAYING, 211);
1070 ASSERT_STATE_CHANGE_MSG (bus, pipeline, GST_STATE_PAUSED, GST_STATE_PLAYING,
1071 212);
1072 #endif
1073
1074 /* don't set to NULL that will set the bus flushing and kill our messages */
1075 ret = gst_element_set_state (pipeline, GST_STATE_READY);
1076 fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to READY failed");
1077
1078 /* TODO: do we need to check downwards state change order as well? */
1079 pop_state_changed (bus, 4); /* pop playing => paused messages off the bus */
1080 pop_state_changed (bus, 4); /* pop paused => ready messages off the bus */
1081
1082 GST_DEBUG ("waiting for pipeline to reach refcount 1");
1083 while (GST_OBJECT_REFCOUNT_VALUE (pipeline) > 1)
1084 THREAD_SWITCH ();
1085
1086 GST_DEBUG ("checking refcount");
1087 ASSERT_OBJECT_REFCOUNT (src, "src", 1);
1088 ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
1089 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
1090
1091 ret = gst_element_set_state (pipeline, GST_STATE_NULL);
1092 fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to NULL failed");
1093
1094 GST_DEBUG ("checking refcount");
1095 ASSERT_OBJECT_REFCOUNT (src, "src", 1);
1096 ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
1097 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
1098
1099 GST_DEBUG ("cleanup");
1100 gst_object_unref (bus);
1101 gst_object_unref (pipeline);
1102 }
1103
1104 GST_END_TEST;
1105
GST_START_TEST(test_children_state_change_order_two_sink)1106 GST_START_TEST (test_children_state_change_order_two_sink)
1107 {
1108 GstElement *src, *tee, *identity, *sink1, *sink2, *pipeline;
1109 GstStateChangeReturn ret;
1110 GstBus *bus;
1111
1112 pipeline = gst_pipeline_new (NULL);
1113 fail_unless (pipeline != NULL, "Could not create pipeline");
1114
1115 bus = gst_element_get_bus (pipeline);
1116 fail_unless (bus != NULL, "Pipeline has no bus?!");
1117
1118 src = gst_element_factory_make ("fakesrc", NULL);
1119 fail_if (src == NULL, "Could not create fakesrc");
1120
1121 tee = gst_element_factory_make ("tee", NULL);
1122 fail_if (tee == NULL, "Could not create tee");
1123
1124 identity = gst_element_factory_make ("identity", NULL);
1125 fail_if (identity == NULL, "Could not create identity");
1126
1127 sink1 = gst_element_factory_make ("fakesink", NULL);
1128 fail_if (sink1 == NULL, "Could not create fakesink1");
1129
1130 sink2 = gst_element_factory_make ("fakesink", NULL);
1131 fail_if (sink2 == NULL, "Could not create fakesink2");
1132
1133 gst_bin_add_many (GST_BIN (pipeline), src, tee, identity, sink1, sink2, NULL);
1134
1135 fail_unless (gst_element_link (src, tee) == TRUE);
1136 fail_unless (gst_element_link (tee, identity) == TRUE);
1137 fail_unless (gst_element_link (identity, sink1) == TRUE);
1138 fail_unless (gst_element_link (tee, sink2) == TRUE);
1139
1140 ret = gst_element_set_state (pipeline, GST_STATE_READY);
1141 fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to READY failed");
1142
1143 /* NULL => READY */
1144 {
1145 GstMessage *msg;
1146 GstState old = 0, new = 0, pending = 0;
1147 GstObject *first, *second;
1148
1149 msg = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, GST_SECOND);
1150 fail_if (msg == NULL, "No state change message within 1 second (#201)");
1151
1152 gst_message_parse_state_changed (msg, &old, &new, &pending);
1153 first = gst_object_ref (msg->src);
1154
1155 fail_if (first != GST_OBJECT (sink1) && first != GST_OBJECT (sink2),
1156 "sink1 or sink2 should have changed state next #(202)");
1157 gst_message_unref (msg);
1158
1159 msg = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, GST_SECOND);
1160 fail_if (msg == NULL, "No state change message within 1 second (#201)");
1161
1162 gst_message_parse_state_changed (msg, &old, &new, &pending);
1163 second = gst_object_ref (msg->src);
1164
1165 fail_if (second != GST_OBJECT (sink1) && second != GST_OBJECT (sink2),
1166 "sink1 or sink2 should have changed state next #(202)");
1167 gst_message_unref (msg);
1168
1169 fail_if (second == first, "got state change from same object");
1170
1171 gst_object_unref (first);
1172 gst_object_unref (second);
1173 }
1174 ASSERT_STATE_CHANGE_MSG (bus, identity, GST_STATE_NULL, GST_STATE_READY, 203);
1175 ASSERT_STATE_CHANGE_MSG (bus, tee, GST_STATE_NULL, GST_STATE_READY, 204);
1176 ASSERT_STATE_CHANGE_MSG (bus, src, GST_STATE_NULL, GST_STATE_READY, 205);
1177 ASSERT_STATE_CHANGE_MSG (bus, pipeline, GST_STATE_NULL, GST_STATE_READY, 206);
1178
1179 ASSERT_OBJECT_REFCOUNT (src, "src", 1);
1180 ASSERT_OBJECT_REFCOUNT (tee, "tee", 1);
1181 ASSERT_OBJECT_REFCOUNT (identity, "identity", 1);
1182 ASSERT_OBJECT_REFCOUNT (sink1, "sink1", 1);
1183 ASSERT_OBJECT_REFCOUNT (sink2, "sink2", 1);
1184 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
1185
1186 ret = gst_element_set_state (pipeline, GST_STATE_NULL);
1187 fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to NULL failed");
1188
1189 ASSERT_OBJECT_REFCOUNT (src, "src", 1);
1190 ASSERT_OBJECT_REFCOUNT (tee, "tee", 1);
1191 ASSERT_OBJECT_REFCOUNT (identity, "identity", 1);
1192 ASSERT_OBJECT_REFCOUNT (sink1, "sink1", 1);
1193 ASSERT_OBJECT_REFCOUNT (sink2, "sink2", 1);
1194 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
1195
1196 gst_object_unref (bus);
1197 gst_object_unref (pipeline);
1198 }
1199
1200 GST_END_TEST;
1201
GST_START_TEST(test_iterate_sorted)1202 GST_START_TEST (test_iterate_sorted)
1203 {
1204 GstElement *src, *tee, *identity, *sink1, *sink2, *pipeline, *bin;
1205 GstIterator *it;
1206 GValue elem = { 0, };
1207
1208 pipeline = gst_pipeline_new (NULL);
1209 fail_unless (pipeline != NULL, "Could not create pipeline");
1210
1211 bin = gst_bin_new (NULL);
1212 fail_unless (bin != NULL, "Could not create bin");
1213
1214 src = gst_element_factory_make ("fakesrc", NULL);
1215 fail_if (src == NULL, "Could not create fakesrc");
1216
1217 tee = gst_element_factory_make ("tee", NULL);
1218 fail_if (tee == NULL, "Could not create tee");
1219
1220 sink1 = gst_element_factory_make ("fakesink", NULL);
1221 fail_if (sink1 == NULL, "Could not create fakesink1");
1222
1223 gst_bin_add_many (GST_BIN (bin), src, tee, sink1, NULL);
1224
1225 fail_unless (gst_element_link (src, tee) == TRUE);
1226 fail_unless (gst_element_link (tee, sink1) == TRUE);
1227
1228 identity = gst_element_factory_make ("identity", NULL);
1229 fail_if (identity == NULL, "Could not create identity");
1230
1231 sink2 = gst_element_factory_make ("fakesink", NULL);
1232 fail_if (sink2 == NULL, "Could not create fakesink2");
1233
1234 gst_bin_add_many (GST_BIN (pipeline), bin, identity, sink2, NULL);
1235
1236 fail_unless (gst_element_link (tee, identity) == TRUE);
1237 fail_unless (gst_element_link (identity, sink2) == TRUE);
1238
1239 it = gst_bin_iterate_sorted (GST_BIN (pipeline));
1240 fail_unless (gst_iterator_next (it, &elem) == GST_ITERATOR_OK);
1241 fail_unless (g_value_get_object (&elem) == (gpointer) sink2);
1242 g_value_reset (&elem);
1243
1244 fail_unless (gst_iterator_next (it, &elem) == GST_ITERATOR_OK);
1245 fail_unless (g_value_get_object (&elem) == (gpointer) identity);
1246 g_value_reset (&elem);
1247
1248 fail_unless (gst_iterator_next (it, &elem) == GST_ITERATOR_OK);
1249 fail_unless (g_value_get_object (&elem) == (gpointer) bin);
1250 g_value_reset (&elem);
1251
1252 g_value_unset (&elem);
1253 gst_iterator_free (it);
1254
1255 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
1256 gst_object_unref (pipeline);
1257 }
1258
1259 GST_END_TEST;
1260
GST_START_TEST(test_iterate_sorted_unlinked)1261 GST_START_TEST (test_iterate_sorted_unlinked)
1262 {
1263 GstElement *pipeline, *src, *sink, *identity;
1264 GstIterator *it;
1265 GValue elem = { 0, };
1266
1267 pipeline = gst_pipeline_new (NULL);
1268 fail_unless (pipeline != NULL, "Could not create pipeline");
1269
1270 src = gst_element_factory_make ("fakesrc", NULL);
1271 fail_if (src == NULL, "Could not create fakesrc");
1272
1273 sink = gst_element_factory_make ("fakesink", NULL);
1274 fail_if (sink == NULL, "Could not create fakesink1");
1275
1276 identity = gst_element_factory_make ("identity", NULL);
1277 fail_if (identity == NULL, "Could not create identity");
1278
1279 gst_bin_add_many (GST_BIN (pipeline), sink, identity, src, NULL);
1280
1281 /* If elements aren't linked, we should end up with:
1282 * * sink elements always first
1283 * * source elements always last
1284 * * any other elements in between
1285 */
1286
1287 it = gst_bin_iterate_sorted (GST_BIN (pipeline));
1288 fail_unless (gst_iterator_next (it, &elem) == GST_ITERATOR_OK);
1289 fail_unless (g_value_get_object (&elem) == (gpointer) sink);
1290 g_value_reset (&elem);
1291
1292 fail_unless (gst_iterator_next (it, &elem) == GST_ITERATOR_OK);
1293 fail_unless (g_value_get_object (&elem) == (gpointer) identity);
1294 g_value_reset (&elem);
1295
1296 fail_unless (gst_iterator_next (it, &elem) == GST_ITERATOR_OK);
1297 fail_unless (g_value_get_object (&elem) == (gpointer) src);
1298 g_value_reset (&elem);
1299
1300 g_value_unset (&elem);
1301 gst_iterator_free (it);
1302
1303 ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
1304 gst_object_unref (pipeline);
1305 }
1306
1307 GST_END_TEST;
1308
1309 static void
test_link_structure_change_state_changed_sync_cb(GstBus * bus,GstMessage * message,gpointer data)1310 test_link_structure_change_state_changed_sync_cb (GstBus * bus,
1311 GstMessage * message, gpointer data)
1312 {
1313 GstPipeline *pipeline = GST_PIPELINE (data);
1314 GstElement *src, *identity, *sink;
1315 GstState old, snew, pending;
1316
1317 sink = gst_bin_get_by_name (GST_BIN (pipeline), "sink");
1318 fail_unless (sink != NULL, "Could not get sink");
1319
1320 gst_message_parse_state_changed (message, &old, &snew, &pending);
1321 if (message->src != GST_OBJECT (sink) || snew != GST_STATE_READY) {
1322 gst_object_unref (sink);
1323 return;
1324 }
1325
1326 src = gst_bin_get_by_name (GST_BIN (pipeline), "src");
1327 fail_unless (src != NULL, "Could not get src");
1328
1329 identity = gst_bin_get_by_name (GST_BIN (pipeline), "identity");
1330 fail_unless (identity != NULL, "Could not get identity");
1331
1332 /* link src to identity, the pipeline should detect the new link and
1333 * resync the state change */
1334 fail_unless (gst_element_link (src, identity) == TRUE);
1335
1336 gst_object_unref (src);
1337 gst_object_unref (identity);
1338 gst_object_unref (sink);
1339 }
1340
GST_START_TEST(test_link_structure_change)1341 GST_START_TEST (test_link_structure_change)
1342 {
1343 GstElement *src, *identity, *sink, *pipeline;
1344 GstBus *bus;
1345 GstState state;
1346
1347 pipeline = gst_pipeline_new (NULL);
1348 fail_unless (pipeline != NULL, "Could not create pipeline");
1349
1350 bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
1351 fail_unless (bus != NULL, "Could not get bus");
1352
1353 /* use the sync signal handler to link elements while the pipeline is still
1354 * doing the state change */
1355 gst_bus_set_sync_handler (bus, gst_bus_sync_signal_handler, pipeline, NULL);
1356 g_object_connect (bus, "signal::sync-message::state-changed",
1357 G_CALLBACK (test_link_structure_change_state_changed_sync_cb), pipeline,
1358 NULL);
1359
1360 src = gst_element_factory_make ("fakesrc", "src");
1361 fail_if (src == NULL, "Could not create fakesrc");
1362
1363 identity = gst_element_factory_make ("identity", "identity");
1364 fail_if (identity == NULL, "Could not create identity");
1365
1366 sink = gst_element_factory_make ("fakesink", "sink");
1367 fail_if (sink == NULL, "Could not create fakesink1");
1368
1369 gst_bin_add_many (GST_BIN (pipeline), src, identity, sink, NULL);
1370
1371 gst_element_set_state (pipeline, GST_STATE_READY);
1372 gst_element_get_state (pipeline, NULL, NULL, GST_CLOCK_TIME_NONE);
1373
1374 /* the state change will be done on src only if the pipeline correctly resyncs
1375 * after that fakesrc has been linked to identity */
1376 gst_element_get_state (src, &state, NULL, 0);
1377 fail_unless_equals_int (state, GST_STATE_READY);
1378
1379 /* clean up */
1380 gst_element_set_state (pipeline, GST_STATE_NULL);
1381 gst_object_unref (bus);
1382 gst_object_unref (pipeline);
1383 }
1384
1385 GST_END_TEST;
1386
1387 static GstBusSyncReply
sync_handler_remove_sink(GstBus * bus,GstMessage * message,gpointer data)1388 sync_handler_remove_sink (GstBus * bus, GstMessage * message, gpointer data)
1389 {
1390 if (GST_MESSAGE_TYPE (message) == GST_MESSAGE_ERROR) {
1391 GstElement *child;
1392
1393 child = gst_bin_get_by_name (GST_BIN (data), "fakesink");
1394 fail_unless (child != NULL, "Could not find fakesink");
1395
1396 gst_bin_remove (GST_BIN (data), child);
1397 gst_object_unref (child);
1398 }
1399 return GST_BUS_PASS;
1400 }
1401
GST_START_TEST(test_state_failure_remove)1402 GST_START_TEST (test_state_failure_remove)
1403 {
1404 GstElement *src, *sink, *pipeline;
1405 GstBus *bus;
1406 GstStateChangeReturn ret;
1407
1408 pipeline = gst_pipeline_new (NULL);
1409 fail_unless (pipeline != NULL, "Could not create pipeline");
1410
1411 src = gst_element_factory_make ("fakesrc", "fakesrc");
1412 fail_unless (src != NULL, "Could not create fakesrc");
1413
1414 sink = gst_element_factory_make ("fakesink", "fakesink");
1415 fail_unless (sink != NULL, "Could not create fakesink");
1416
1417 g_object_set (sink, "state-error", 1, NULL);
1418
1419 gst_bin_add (GST_BIN (pipeline), src);
1420 gst_bin_add (GST_BIN (pipeline), sink);
1421
1422 gst_element_link (src, sink);
1423
1424 bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
1425 fail_unless (bus != NULL, "Could not get bus");
1426
1427 gst_bus_set_sync_handler (bus, sync_handler_remove_sink, pipeline, NULL);
1428
1429 ret = gst_element_set_state (pipeline, GST_STATE_READY);
1430 fail_unless (ret == GST_STATE_CHANGE_SUCCESS,
1431 "did not get state change success");
1432
1433 gst_element_set_state (pipeline, GST_STATE_NULL);
1434
1435 gst_object_unref (bus);
1436 gst_object_unref (pipeline);
1437 }
1438
1439 GST_END_TEST;
1440
GST_START_TEST(test_many_bins)1441 GST_START_TEST (test_many_bins)
1442 {
1443 GstStateChangeReturn ret;
1444 GstElement *src, *sink, *pipeline, *last_bin = NULL;
1445 gint i;
1446
1447 #define NUM_BINS 2000
1448
1449 pipeline = gst_pipeline_new (NULL);
1450 fail_unless (pipeline != NULL, "Could not create pipeline");
1451
1452 src = gst_element_factory_make ("fakesrc", "fakesrc");
1453 fail_unless (src != NULL, "Could not create fakesrc");
1454 g_object_set (src, "num-buffers", 3, NULL);
1455
1456 sink = gst_element_factory_make ("fakesink", "fakesink");
1457 fail_unless (sink != NULL, "Could not create fakesink");
1458
1459 gst_bin_add (GST_BIN (pipeline), src);
1460 gst_bin_add (GST_BIN (pipeline), sink);
1461
1462 for (i = 0; i < NUM_BINS; ++i) {
1463 GstElement *bin, *identity;
1464 GstPad *srcpad, *sinkpad;
1465
1466 bin = gst_bin_new (NULL);
1467 fail_unless (bin != NULL, "Could not create bin %d", i);
1468 identity = gst_element_factory_make ("identity", "identity");
1469 fail_unless (identity != NULL, "Could not create identity %d", i);
1470 g_object_set (identity, "silent", TRUE, NULL);
1471 gst_bin_add (GST_BIN (bin), identity);
1472 sinkpad = gst_element_get_static_pad (identity, "sink");
1473 srcpad = gst_element_get_static_pad (identity, "src");
1474 gst_element_add_pad (bin, gst_ghost_pad_new ("sink", sinkpad));
1475 gst_element_add_pad (bin, gst_ghost_pad_new ("src", srcpad));
1476 gst_object_unref (sinkpad);
1477 gst_object_unref (srcpad);
1478
1479 gst_bin_add (GST_BIN (pipeline), bin);
1480
1481 if (last_bin == NULL) {
1482 srcpad = gst_element_get_static_pad (src, "src");
1483 } else {
1484 srcpad = gst_element_get_static_pad (last_bin, "src");
1485 }
1486 sinkpad = gst_element_get_static_pad (bin, "sink");
1487 gst_pad_link_full (srcpad, sinkpad, GST_PAD_LINK_CHECK_NOTHING);
1488 gst_object_unref (sinkpad);
1489 gst_object_unref (srcpad);
1490
1491
1492 last_bin = bin;
1493
1494 /* insert some queues to limit the number of function calls in a row */
1495 if ((i % 100) == 0) {
1496 GstElement *q = gst_element_factory_make ("queue", NULL);
1497
1498 GST_LOG ("bin #%d, inserting queue", i);
1499 gst_bin_add (GST_BIN (pipeline), q);
1500 fail_unless (gst_element_link (last_bin, q));
1501 last_bin = q;
1502 }
1503 }
1504
1505 fail_unless (gst_element_link (last_bin, sink));
1506
1507 ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
1508 fail_unless_equals_int (ret, GST_STATE_CHANGE_ASYNC);
1509
1510 for (i = 0; i < 15; ++i) {
1511 GST_INFO ("waiting for preroll ...");
1512 ret = gst_element_get_state (pipeline, NULL, NULL, GST_SECOND);
1513 if (ret != GST_STATE_CHANGE_ASYNC)
1514 break;
1515 }
1516 fail_unless_equals_int (ret, GST_STATE_CHANGE_SUCCESS);
1517
1518 gst_element_set_state (pipeline, GST_STATE_NULL);
1519 gst_object_unref (pipeline);
1520 }
1521
1522 GST_END_TEST;
1523
1524 static GstPadProbeReturn
fakesrc_pad_blocked_cb(GstPad * pad,GstPadProbeInfo * info,void * arg)1525 fakesrc_pad_blocked_cb (GstPad * pad, GstPadProbeInfo * info, void *arg)
1526 {
1527 GstPipeline *pipeline = (GstPipeline *) arg;
1528 GstElement *src, *sink;
1529
1530 src = gst_bin_get_by_name (GST_BIN (pipeline), "fakesrc");
1531 fail_unless (src != NULL, "Could not get fakesrc");
1532
1533 sink = gst_element_factory_make ("fakesink", "fakesink");
1534 fail_unless (sink != NULL, "Could not create fakesink");
1535
1536 g_object_set (sink, "state-error", 1, NULL);
1537 gst_bin_add (GST_BIN (pipeline), sink);
1538
1539 gst_element_link (src, sink);
1540 gst_element_sync_state_with_parent (sink);
1541 gst_object_unref (src);
1542
1543 return GST_PAD_PROBE_REMOVE;
1544 }
1545
GST_START_TEST(test_state_failure_unref)1546 GST_START_TEST (test_state_failure_unref)
1547 {
1548 GstElement *src, *pipeline;
1549 GstPad *srcpad;
1550 GstBus *bus;
1551 GstStateChangeReturn ret;
1552 GstMessage *msg;
1553
1554 pipeline = gst_pipeline_new (NULL);
1555 fail_unless (pipeline != NULL, "Could not create pipeline");
1556
1557 src = gst_element_factory_make ("fakesrc", "fakesrc");
1558 fail_unless (src != NULL, "Could not create fakesrc");
1559
1560 srcpad = gst_element_get_static_pad (src, "src");
1561 fail_unless (srcpad != NULL, "Could not get fakesrc srcpad");
1562
1563 gst_pad_add_probe (srcpad, GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM,
1564 fakesrc_pad_blocked_cb, pipeline, NULL);
1565 gst_object_unref (srcpad);
1566
1567 gst_bin_add (GST_BIN (pipeline), src);
1568
1569 bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
1570 fail_unless (bus != NULL, "Could not get bus");
1571
1572 gst_element_set_state (pipeline, GST_STATE_PLAYING);
1573
1574 /* Wait for an error message from our fakesink (added from the
1575 pad block callback). */
1576 msg = gst_bus_poll (bus, GST_MESSAGE_ERROR, GST_SECOND);
1577 fail_if (msg == NULL, "No error message within 1 second");
1578 gst_message_unref (msg);
1579
1580 /* Check that after this failure, we can still stop, and then unref, the
1581 pipeline. This should always be possible. */
1582 ret = gst_element_set_state (pipeline, GST_STATE_NULL);
1583 fail_unless (ret == GST_STATE_CHANGE_SUCCESS, "downward state change failed");
1584
1585 gst_object_unref (bus);
1586 gst_object_unref (pipeline);
1587 }
1588
1589 GST_END_TEST;
1590
1591 static void
on_sync_bus_error(GstBus * bus,GstMessage * msg)1592 on_sync_bus_error (GstBus * bus, GstMessage * msg)
1593 {
1594 fail_if (msg != NULL);
1595 }
1596
GST_START_TEST(test_state_change_skip)1597 GST_START_TEST (test_state_change_skip)
1598 {
1599 GstElement *sink, *pipeline;
1600 GstStateChangeReturn ret;
1601 GstBus *bus;
1602
1603 pipeline = gst_pipeline_new (NULL);
1604 fail_unless (pipeline != NULL, "Could not create pipeline");
1605
1606 bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
1607 fail_unless (bus != NULL, "Could not get bus");
1608
1609 /* no errors */
1610 gst_bus_enable_sync_message_emission (bus);
1611 g_signal_connect (bus, "sync-message::error", (GCallback) on_sync_bus_error,
1612 NULL);
1613
1614 sink = gst_element_factory_make ("fakesink", "fakesink");
1615 fail_unless (sink != NULL, "Could not create fakesink");
1616 gst_element_set_state (sink, GST_STATE_PAUSED);
1617
1618 g_object_set (sink, "state-error", 5, NULL);
1619
1620 gst_bin_add (GST_BIN (pipeline), sink);
1621 gst_element_set_state (pipeline, GST_STATE_PLAYING);
1622
1623 g_object_set (sink, "state-error", 0, NULL);
1624
1625 /* Check that after this failure, we can still stop, and then unref, the
1626 pipeline. This should always be possible. */
1627 ret = gst_element_set_state (pipeline, GST_STATE_NULL);
1628 fail_unless (ret == GST_STATE_CHANGE_SUCCESS, "downward state change failed");
1629
1630 gst_object_unref (pipeline);
1631 gst_object_unref (bus);
1632 }
1633
1634 GST_END_TEST;
1635
GST_START_TEST(test_duration_is_max)1636 GST_START_TEST (test_duration_is_max)
1637 {
1638 GstElement *bin, *src[3], *sink[3];
1639 GstStateChangeReturn state_res;
1640 GstFormat format = GST_FORMAT_BYTES;
1641 gboolean res;
1642 gint64 duration;
1643 GstBus *bus;
1644
1645 GST_INFO ("preparing test");
1646
1647 /* build pipeline */
1648 bin = gst_pipeline_new ("pipeline");
1649
1650 /* 3 sources, an adder and a fakesink */
1651 src[0] = gst_element_factory_make ("fakesrc", NULL);
1652 src[1] = gst_element_factory_make ("fakesrc", NULL);
1653 src[2] = gst_element_factory_make ("fakesrc", NULL);
1654 sink[0] = gst_element_factory_make ("fakesink", NULL);
1655 sink[1] = gst_element_factory_make ("fakesink", NULL);
1656 sink[2] = gst_element_factory_make ("fakesink", NULL);
1657 gst_bin_add_many (GST_BIN (bin), src[0], src[1], src[2], sink[0], sink[1],
1658 sink[2], NULL);
1659
1660 gst_element_link (src[0], sink[0]);
1661 gst_element_link (src[1], sink[1]);
1662 gst_element_link (src[2], sink[2]);
1663
1664 /* irks, duration is reset on basesrc */
1665 state_res = gst_element_set_state (bin, GST_STATE_PAUSED);
1666 fail_unless (state_res != GST_STATE_CHANGE_FAILURE, NULL);
1667
1668 /* set durations on src */
1669 GST_BASE_SRC (src[0])->segment.duration = 1000;
1670 GST_BASE_SRC (src[1])->segment.duration = 3000;
1671 GST_BASE_SRC (src[2])->segment.duration = 2000;
1672
1673 /* set to playing */
1674 state_res = gst_element_set_state (bin, GST_STATE_PLAYING);
1675 fail_unless (state_res != GST_STATE_CHANGE_FAILURE, NULL);
1676
1677 /* wait for completion */
1678 state_res =
1679 gst_element_get_state (GST_ELEMENT (bin), NULL, NULL,
1680 GST_CLOCK_TIME_NONE);
1681 fail_unless (state_res != GST_STATE_CHANGE_FAILURE, NULL);
1682
1683 res = gst_element_query_duration (GST_ELEMENT (bin), format, &duration);
1684 fail_unless (res, NULL);
1685
1686 ck_assert_int_eq (duration, 3000);
1687
1688 bus = gst_element_get_bus (bin);
1689 gst_bus_set_flushing (bus, TRUE);
1690 gst_object_unref (bus);
1691
1692 gst_element_set_state (bin, GST_STATE_NULL);
1693 gst_object_unref (bin);
1694 }
1695
1696 GST_END_TEST;
1697
GST_START_TEST(test_duration_unknown_overrides)1698 GST_START_TEST (test_duration_unknown_overrides)
1699 {
1700 GstElement *bin, *src[3], *sink[3];
1701 GstStateChangeReturn state_res;
1702 GstFormat format = GST_FORMAT_BYTES;
1703 gboolean res;
1704 gint64 duration;
1705 GstBus *bus;
1706
1707 GST_INFO ("preparing test");
1708
1709 /* build pipeline */
1710 bin = gst_pipeline_new ("pipeline");
1711
1712 /* 3 sources, an adder and a fakesink */
1713 src[0] = gst_element_factory_make ("fakesrc", NULL);
1714 src[1] = gst_element_factory_make ("fakesrc", NULL);
1715 src[2] = gst_element_factory_make ("fakesrc", NULL);
1716 sink[0] = gst_element_factory_make ("fakesink", NULL);
1717 sink[1] = gst_element_factory_make ("fakesink", NULL);
1718 sink[2] = gst_element_factory_make ("fakesink", NULL);
1719 gst_bin_add_many (GST_BIN (bin), src[0], src[1], src[2], sink[0], sink[1],
1720 sink[2], NULL);
1721
1722 gst_element_link (src[0], sink[0]);
1723 gst_element_link (src[1], sink[1]);
1724 gst_element_link (src[2], sink[2]);
1725
1726 /* irks, duration is reset on basesrc */
1727 state_res = gst_element_set_state (bin, GST_STATE_PAUSED);
1728 fail_unless (state_res != GST_STATE_CHANGE_FAILURE, NULL);
1729
1730 /* set durations on src */
1731 GST_BASE_SRC (src[0])->segment.duration = GST_CLOCK_TIME_NONE;
1732 GST_BASE_SRC (src[1])->segment.duration = 3000;
1733 GST_BASE_SRC (src[2])->segment.duration = 2000;
1734
1735 /* set to playing */
1736 state_res = gst_element_set_state (bin, GST_STATE_PLAYING);
1737 fail_unless (state_res != GST_STATE_CHANGE_FAILURE, NULL);
1738
1739 /* wait for completion */
1740 state_res =
1741 gst_element_get_state (GST_ELEMENT (bin), NULL, NULL,
1742 GST_CLOCK_TIME_NONE);
1743 fail_unless (state_res != GST_STATE_CHANGE_FAILURE, NULL);
1744
1745 res = gst_element_query_duration (GST_ELEMENT (bin), format, &duration);
1746 fail_unless (res, NULL);
1747
1748 ck_assert_int_eq (duration, GST_CLOCK_TIME_NONE);
1749
1750 bus = gst_element_get_bus (bin);
1751 gst_bus_set_flushing (bus, TRUE);
1752 gst_object_unref (bus);
1753
1754 gst_element_set_state (bin, GST_STATE_NULL);
1755 gst_object_unref (bin);
1756 }
1757
1758 GST_END_TEST;
1759
1760 static gboolean
element_in_list(GList ** list,GstElement * element)1761 element_in_list (GList ** list, GstElement * element)
1762 {
1763 GList *l = g_list_find (*list, element);
1764
1765 if (l == NULL)
1766 return FALSE;
1767
1768 *list = g_list_delete_link (*list, l);
1769 return TRUE;
1770 }
1771
1772 #define element_was_added(e) element_in_list(&added,e)
1773 #define element_was_removed(e) element_in_list(&removed,e)
1774
1775 static void
add_cb(GstBin * pipeline,GstBin * bin,GstElement * element,GList ** list)1776 add_cb (GstBin * pipeline, GstBin * bin, GstElement * element, GList ** list)
1777 {
1778 fail_unless (GST_OBJECT_PARENT (element) == GST_OBJECT_CAST (bin));
1779
1780 *list = g_list_prepend (*list, element);
1781 }
1782
1783 static void
remove_cb(GstBin * pipeline,GstBin * bin,GstElement * element,GList ** list)1784 remove_cb (GstBin * pipeline, GstBin * bin, GstElement * element, GList ** list)
1785 {
1786 *list = g_list_prepend (*list, element);
1787 }
1788
GST_START_TEST(test_deep_added_removed)1789 GST_START_TEST (test_deep_added_removed)
1790 {
1791 GstElement *pipe, *e, *bin0, *bin1;
1792 gulong id_removed, id_added;
1793 GList *removed = NULL;
1794 GList *added = NULL;
1795
1796 pipe = gst_pipeline_new (NULL);
1797
1798 id_added = g_signal_connect (pipe, "deep-element-added",
1799 G_CALLBACK (add_cb), &added);
1800 id_removed = g_signal_connect (pipe, "deep-element-removed",
1801 G_CALLBACK (remove_cb), &removed);
1802
1803 /* simple add/remove */
1804 e = gst_element_factory_make ("identity", NULL);
1805 gst_bin_add (GST_BIN (pipe), e);
1806 fail_unless (element_was_added (e));
1807 gst_bin_remove (GST_BIN (pipe), e);
1808 fail_unless (element_was_removed (e));
1809
1810 /* let's try with a deeper hierarchy, construct it from top-level down */
1811 bin0 = gst_bin_new (NULL);
1812 gst_bin_add (GST_BIN (pipe), bin0);
1813 bin1 = gst_bin_new (NULL);
1814 gst_bin_add (GST_BIN (bin0), bin1);
1815 e = gst_element_factory_make ("identity", NULL);
1816 gst_bin_add (GST_BIN (bin1), e);
1817 fail_unless (element_was_added (bin0));
1818 fail_unless (element_was_added (bin1));
1819 fail_unless (element_was_added (e));
1820 fail_unless (added == NULL);
1821 fail_unless (removed == NULL);
1822
1823 gst_object_ref (e); /* keep e alive */
1824 gst_bin_remove (GST_BIN (bin1), e);
1825 fail_unless (element_was_removed (e));
1826 fail_unless (added == NULL);
1827 fail_unless (removed == NULL);
1828
1829 /* now add existing bin hierarchy to pipeline (first remove it so we can re-add it) */
1830 gst_object_ref (bin0); /* keep bin0 alive */
1831 gst_bin_remove (GST_BIN (pipe), bin0);
1832 fail_unless (element_was_removed (bin0));
1833 fail_unless (element_was_removed (bin1));
1834 fail_unless (added == NULL);
1835 fail_unless (removed == NULL);
1836
1837 /* re-adding element to removed bin should not trigger our callbacks */
1838 gst_bin_add (GST_BIN (bin1), e);
1839 fail_unless (added == NULL);
1840 fail_unless (removed == NULL);
1841
1842 gst_bin_add (GST_BIN (pipe), bin0);
1843 fail_unless (element_was_added (bin0));
1844 fail_unless (element_was_added (bin1));
1845 fail_unless (element_was_added (e));
1846 fail_unless (added == NULL);
1847 fail_unless (removed == NULL);
1848 gst_object_unref (bin0);
1849 gst_object_unref (e);
1850
1851 /* disconnect signals, unref will trigger remove callbacks otherwise */
1852 g_signal_handler_disconnect (pipe, id_added);
1853 g_signal_handler_disconnect (pipe, id_removed);
1854
1855 gst_object_unref (pipe);
1856 }
1857
1858 GST_END_TEST;
1859
1860 #define _GST_CHECK_BIN_SUPPRESSED_FLAGS(element_flags, suppressed_flags, \
1861 expected_flags) \
1862 G_STMT_START { \
1863 GstBin *bin = GST_BIN (gst_bin_new ("test-bin")); \
1864 GstElement *element = gst_element_factory_make ("queue", "test-q"); \
1865 GstElementFlags natural_flags = GST_OBJECT_FLAGS (bin); \
1866 GST_OBJECT_FLAG_SET (element, element_flags); \
1867 gst_bin_set_suppressed_flags (bin, suppressed_flags); \
1868 gst_bin_add (bin, element); \
1869 fail_unless ((natural_flags | GST_OBJECT_FLAGS (bin)) \
1870 == expected_flags); \
1871 gst_object_unref (bin); \
1872 } G_STMT_END
1873
GST_START_TEST(test_suppressed_flags)1874 GST_START_TEST (test_suppressed_flags)
1875 {
1876 _GST_CHECK_BIN_SUPPRESSED_FLAGS (GST_ELEMENT_FLAG_SOURCE,
1877 0, GST_ELEMENT_FLAG_SOURCE);
1878 _GST_CHECK_BIN_SUPPRESSED_FLAGS (GST_ELEMENT_FLAG_SOURCE,
1879 GST_ELEMENT_FLAG_SOURCE, 0);
1880 _GST_CHECK_BIN_SUPPRESSED_FLAGS (GST_ELEMENT_FLAG_SOURCE,
1881 GST_ELEMENT_FLAG_SINK, GST_ELEMENT_FLAG_SOURCE);
1882 _GST_CHECK_BIN_SUPPRESSED_FLAGS (GST_ELEMENT_FLAG_SOURCE |
1883 GST_ELEMENT_FLAG_PROVIDE_CLOCK,
1884 GST_ELEMENT_FLAG_PROVIDE_CLOCK, GST_ELEMENT_FLAG_SOURCE);
1885
1886 _GST_CHECK_BIN_SUPPRESSED_FLAGS (GST_ELEMENT_FLAG_SINK,
1887 0, GST_ELEMENT_FLAG_SINK);
1888 _GST_CHECK_BIN_SUPPRESSED_FLAGS (GST_ELEMENT_FLAG_SINK,
1889 GST_ELEMENT_FLAG_SINK, 0);
1890 _GST_CHECK_BIN_SUPPRESSED_FLAGS (GST_ELEMENT_FLAG_SINK,
1891 GST_ELEMENT_FLAG_SOURCE, GST_ELEMENT_FLAG_SINK);
1892
1893 _GST_CHECK_BIN_SUPPRESSED_FLAGS (GST_ELEMENT_FLAG_PROVIDE_CLOCK,
1894 0, GST_ELEMENT_FLAG_PROVIDE_CLOCK);
1895 _GST_CHECK_BIN_SUPPRESSED_FLAGS (GST_ELEMENT_FLAG_PROVIDE_CLOCK,
1896 GST_ELEMENT_FLAG_PROVIDE_CLOCK, 0);
1897 _GST_CHECK_BIN_SUPPRESSED_FLAGS (GST_ELEMENT_FLAG_PROVIDE_CLOCK,
1898 GST_ELEMENT_FLAG_REQUIRE_CLOCK, GST_ELEMENT_FLAG_PROVIDE_CLOCK);
1899
1900 _GST_CHECK_BIN_SUPPRESSED_FLAGS (GST_ELEMENT_FLAG_REQUIRE_CLOCK,
1901 0, GST_ELEMENT_FLAG_REQUIRE_CLOCK);
1902 _GST_CHECK_BIN_SUPPRESSED_FLAGS (GST_ELEMENT_FLAG_REQUIRE_CLOCK,
1903 GST_ELEMENT_FLAG_REQUIRE_CLOCK, 0);
1904 _GST_CHECK_BIN_SUPPRESSED_FLAGS (GST_ELEMENT_FLAG_REQUIRE_CLOCK,
1905 GST_ELEMENT_FLAG_PROVIDE_CLOCK, GST_ELEMENT_FLAG_REQUIRE_CLOCK);
1906 }
1907
1908 GST_END_TEST;
1909
1910
1911 #define _GST_CHECK_BIN_SUPPRESSED_FLAGS_REMOVAL(suppressed_flags) \
1912 G_STMT_START { \
1913 GstBin *bin = GST_BIN (gst_bin_new ("test-bin")); \
1914 GstElement *element = gst_element_factory_make ("identity", "test-i"); \
1915 GST_OBJECT_FLAG_SET (bin, suppressed_flags); \
1916 gst_bin_set_suppressed_flags (bin, suppressed_flags); \
1917 GST_OBJECT_FLAG_SET (element, suppressed_flags); \
1918 fail_unless ((suppressed_flags & GST_OBJECT_FLAGS (bin)) \
1919 == suppressed_flags); \
1920 gst_bin_add (bin, element); \
1921 fail_unless ((suppressed_flags & GST_OBJECT_FLAGS (bin)) \
1922 == suppressed_flags); \
1923 gst_bin_remove (bin, element); \
1924 fail_unless ((suppressed_flags & GST_OBJECT_FLAGS (bin)) \
1925 == suppressed_flags); \
1926 gst_object_unref (bin); \
1927 } G_STMT_END
1928
GST_START_TEST(test_suppressed_flags_when_removing)1929 GST_START_TEST (test_suppressed_flags_when_removing)
1930 {
1931 _GST_CHECK_BIN_SUPPRESSED_FLAGS_REMOVAL (GST_ELEMENT_FLAG_SOURCE);
1932 _GST_CHECK_BIN_SUPPRESSED_FLAGS_REMOVAL (GST_ELEMENT_FLAG_SINK);
1933 _GST_CHECK_BIN_SUPPRESSED_FLAGS_REMOVAL (GST_ELEMENT_FLAG_REQUIRE_CLOCK);
1934 _GST_CHECK_BIN_SUPPRESSED_FLAGS_REMOVAL (GST_ELEMENT_FLAG_PROVIDE_CLOCK);
1935 }
1936
1937 GST_END_TEST;
1938
1939 static Suite *
gst_bin_suite(void)1940 gst_bin_suite (void)
1941 {
1942 Suite *s = suite_create ("GstBin");
1943 TCase *tc_chain = tcase_create ("bin tests");
1944
1945 tcase_set_timeout (tc_chain, 0);
1946
1947 suite_add_tcase (s, tc_chain);
1948 tcase_add_test (tc_chain, test_interface);
1949 tcase_add_test (tc_chain, test_iterate_all_by_element_factory_name);
1950 tcase_add_test (tc_chain, test_eos);
1951 tcase_add_test (tc_chain, test_eos_recheck);
1952 tcase_add_test (tc_chain, test_stream_start);
1953 tcase_add_test (tc_chain, test_children_state_change_order_flagged_sink);
1954 tcase_add_test (tc_chain, test_children_state_change_order_semi_sink);
1955 tcase_add_test (tc_chain, test_children_state_change_order_two_sink);
1956 tcase_add_test (tc_chain, test_message_state_changed);
1957 tcase_add_test (tc_chain, test_message_state_changed_child);
1958 tcase_add_test (tc_chain, test_message_state_changed_children);
1959 tcase_add_test (tc_chain, test_watch_for_state_change);
1960 tcase_add_test (tc_chain, test_state_change_error_message);
1961 tcase_add_test (tc_chain, test_add_linked);
1962 tcase_add_test (tc_chain, test_add_self);
1963 tcase_add_test (tc_chain, test_iterate_sorted);
1964 tcase_add_test (tc_chain, test_iterate_sorted_unlinked);
1965 tcase_add_test (tc_chain, test_link_structure_change);
1966 tcase_add_test (tc_chain, test_state_failure_remove);
1967 tcase_add_test (tc_chain, test_state_failure_unref);
1968 tcase_add_test (tc_chain, test_state_change_skip);
1969 tcase_add_test (tc_chain, test_duration_is_max);
1970 tcase_add_test (tc_chain, test_duration_unknown_overrides);
1971 tcase_add_test (tc_chain, test_deep_added_removed);
1972 tcase_add_test (tc_chain, test_suppressed_flags);
1973 tcase_add_test (tc_chain, test_suppressed_flags_when_removing);
1974
1975 /* fails on OSX build bot for some reason, and is a bit silly anyway */
1976 if (0)
1977 tcase_add_test (tc_chain, test_many_bins);
1978
1979 return s;
1980 }
1981
1982 GST_CHECK_MAIN (gst_bin);
1983