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Original commit message from CVS: * gst/gstbin.c: (activate_pads), (iterator_activate_fold_with_resync), (gst_bin_src_pads_activate), (gst_bin_change_state_func): (de)activate src pads before calling state_change on the childs. This is to avoid the case where a src ghostpad is blocked (holding the stream lock), which would block the deactivation of the ghostpad's target pad. * gst/gstghostpad.c: (gst_proxy_pad_do_query_type), (gst_proxy_pad_do_event), (gst_proxy_pad_do_query), (gst_proxy_pad_do_internal_link), (gst_proxy_pad_do_bufferalloc), (gst_proxy_pad_do_chain), (gst_proxy_pad_do_getrange), (gst_proxy_pad_do_checkgetrange), (gst_proxy_pad_do_getcaps), (gst_proxy_pad_do_acceptcaps), (gst_proxy_pad_do_fixatecaps), (gst_proxy_pad_do_setcaps), (gst_proxy_pad_set_target_unlocked), (gst_proxy_pad_set_target), (gst_proxy_pad_get_internal), (gst_proxy_pad_dispose), (gst_proxy_pad_init), (gst_ghost_pad_parent_set), (gst_ghost_pad_parent_unset), (gst_ghost_pad_class_init), (gst_ghost_pad_internal_do_activate_push), (gst_ghost_pad_internal_do_activate_pull), (gst_ghost_pad_do_activate_push), (gst_ghost_pad_do_activate_pull), (gst_ghost_pad_do_link), (gst_ghost_pad_do_unlink), (gst_ghost_pad_dispose), (gst_ghost_pad_new_no_target), (gst_ghost_pad_new), (gst_ghost_pad_set_target): GhostPads now create their internal GstProxyPad at creation (and not when they're linked, as it was being done previously). The internal and target pads are linked straight away. The data will also travel through the other pad in order to make pad blocking and probes non-hackish (the probe/block now really happens on the GhostPad and not on the target). * gst/gstpad.c: (gst_pad_set_blocked_async), (gst_pad_link_prepare), (gst_pad_push_event): Remove previous ghostpad cruft. * gst/gstutils.c: (gst_pad_add_data_probe), (gst_pad_add_event_probe), (gst_pad_add_buffer_probe), (gst_pad_remove_data_probe), (gst_pad_remove_event_probe), (gst_pad_remove_buffer_probe): Remove previous ghost pad cruft. Added more detailed debug statements. * tests/check/gst/gstghostpad.c: (GST_START_TEST): Fix the testsuite for refcounting changes. The comments about who has references were correct, but the refcount being checked wasn't the same (!?!).
501 lines
16 KiB
C
501 lines
16 KiB
C
/* GStreamer
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* Copyright (C) 2005 Wim Taymans <wim@fluendo.com>
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*
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* gstghostpad.c: Unit test for GstGhostPad
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <gst/check/gstcheck.h>
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/* test if removing a bin also cleans up the ghostpads
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*/
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GST_START_TEST (test_remove1)
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{
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GstElement *b1, *b2, *src, *sink;
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GstPad *srcpad, *sinkpad;
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GstPadLinkReturn ret;
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b1 = gst_element_factory_make ("pipeline", NULL);
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b2 = gst_element_factory_make ("bin", NULL);
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src = gst_element_factory_make ("fakesrc", NULL);
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sink = gst_element_factory_make ("fakesink", NULL);
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ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1);
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ASSERT_OBJECT_REFCOUNT (b2, "bin", 1);
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fail_unless (gst_bin_add (GST_BIN (b2), sink));
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fail_unless (gst_bin_add (GST_BIN (b1), src));
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ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1);
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ASSERT_OBJECT_REFCOUNT (b2, "bin", 1);
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fail_unless (gst_bin_add (GST_BIN (b1), b2));
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/* adding the bin creates a clock provide message with a ref to pipeline */
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ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 2);
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ASSERT_OBJECT_REFCOUNT (b2, "bin", 1);
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sinkpad = gst_element_get_pad (sink, "sink");
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gst_element_add_pad (b2, gst_ghost_pad_new ("sink", sinkpad));
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gst_object_unref (sinkpad);
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srcpad = gst_element_get_pad (src, "src");
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/* get the ghostpad */
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sinkpad = gst_element_get_pad (b2, "sink");
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ret = gst_pad_link (srcpad, sinkpad);
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fail_unless (ret == GST_PAD_LINK_OK);
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gst_object_unref (srcpad);
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gst_object_unref (sinkpad);
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/* now remove the bin with the ghostpad, b2 is disposed now. */
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ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 2);
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ASSERT_OBJECT_REFCOUNT (b2, "bin", 1);
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gst_bin_remove (GST_BIN (b1), b2);
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srcpad = gst_element_get_pad (src, "src");
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/* pad cannot be linked now */
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fail_if (gst_pad_is_linked (srcpad));
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gst_object_unref (srcpad);
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/* flush the message, dropping the b1 refcount to 1 */
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gst_element_set_state (b1, GST_STATE_READY);
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gst_element_set_state (b1, GST_STATE_NULL);
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ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1);
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gst_object_unref (b1);
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}
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GST_END_TEST;
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/* test if removing a bin also cleans up the ghostpads
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*/
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GST_START_TEST (test_remove2)
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{
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GstElement *b1, *b2, *src, *sink;
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GstPad *srcpad, *sinkpad;
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GstPadLinkReturn ret;
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b1 = gst_element_factory_make ("pipeline", NULL);
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b2 = gst_element_factory_make ("bin", NULL);
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src = gst_element_factory_make ("fakesrc", NULL);
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sink = gst_element_factory_make ("fakesink", NULL);
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ASSERT_OBJECT_REFCOUNT (src, "src", 1);
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fail_unless (gst_bin_add (GST_BIN (b2), sink));
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fail_unless (gst_bin_add (GST_BIN (b1), src));
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fail_unless (gst_bin_add (GST_BIN (b1), b2));
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ASSERT_OBJECT_REFCOUNT (src, "src", 1);
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sinkpad = gst_element_get_pad (sink, "sink");
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gst_element_add_pad (b2, gst_ghost_pad_new ("sink", sinkpad));
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gst_object_unref (sinkpad);
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srcpad = gst_element_get_pad (src, "src");
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ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 2); /* since we got one */
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/* get the ghostpad */
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sinkpad = gst_element_get_pad (b2, "sink");
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ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2); /* since we got one */
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GST_DEBUG ("linking srcpad and sinkpad");
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ret = gst_pad_link (srcpad, sinkpad);
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GST_DEBUG ("linked srcpad and sinkpad");
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fail_unless (ret == GST_PAD_LINK_OK);
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/* the linking causes a proxypad to be created for srcpad,
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* to which sinkpad gets linked. This proxypad has a ref to srcpad */
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ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 3);
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ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2);
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gst_object_unref (srcpad);
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gst_object_unref (sinkpad);
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/* now remove the sink from the bin */
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gst_bin_remove (GST_BIN (b2), sink);
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srcpad = gst_element_get_pad (src, "src");
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/* pad is still linked to ghostpad */
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fail_if (!gst_pad_is_linked (srcpad));
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ASSERT_OBJECT_REFCOUNT (src, "src", 1);
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ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 3);
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gst_object_unref (srcpad);
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ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 1);
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/* cleanup */
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/* now unlink the pads */
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gst_pad_unlink (srcpad, sinkpad);
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ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 1); /* proxy has dropped ref */
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ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 1);
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ASSERT_OBJECT_REFCOUNT (src, "src", 1);
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ASSERT_OBJECT_REFCOUNT (b2, "bin", 1);
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/* remove b2 from b1 */
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gst_bin_remove (GST_BIN (b1), b2);
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/* flush the message, dropping the b1 refcount to 1 */
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gst_element_set_state (b1, GST_STATE_READY);
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gst_element_set_state (b1, GST_STATE_NULL);
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ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1);
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gst_object_unref (b1);
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}
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GST_END_TEST;
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#if 0
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/* test if a ghost pad without a target can be linked
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* It can't because it has incompatible caps...
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*/
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GST_START_TEST (test_ghost_pad_notarget)
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{
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GstElement *b1, *b2, *sink;
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GstPad *srcpad, *sinkpad;
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GstPadLinkReturn ret;
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b1 = gst_element_factory_make ("pipeline", NULL);
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b2 = gst_element_factory_make ("bin", NULL);
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sink = gst_element_factory_make ("fakesink", NULL);
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fail_unless (gst_bin_add (GST_BIN (b1), sink));
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fail_unless (gst_bin_add (GST_BIN (b1), b2));
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srcpad = gst_ghost_pad_new_no_target ("src", GST_PAD_SRC);
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fail_unless (srcpad != NULL);
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sinkpad = gst_element_get_pad (sink, "sink");
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fail_unless (sinkpad != NULL);
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ret = gst_pad_link (srcpad, sinkpad);
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fail_unless (ret == GST_PAD_LINK_OK);
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}
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GST_END_TEST;
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#endif
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/* test if linking fails over different bins using a pipeline
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* like this:
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*
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* fakesrc num_buffers=10 ! ( fakesink )
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*
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*/
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GST_START_TEST (test_link)
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{
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GstElement *b1, *b2, *src, *sink;
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GstPad *srcpad, *sinkpad, *gpad;
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GstPadLinkReturn ret;
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b1 = gst_element_factory_make ("pipeline", NULL);
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b2 = gst_element_factory_make ("bin", NULL);
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src = gst_element_factory_make ("fakesrc", NULL);
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sink = gst_element_factory_make ("fakesink", NULL);
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fail_unless (gst_bin_add (GST_BIN (b2), sink));
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fail_unless (gst_bin_add (GST_BIN (b1), src));
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fail_unless (gst_bin_add (GST_BIN (b1), b2));
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srcpad = gst_element_get_pad (src, "src");
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fail_unless (srcpad != NULL);
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sinkpad = gst_element_get_pad (sink, "sink");
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fail_unless (sinkpad != NULL);
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/* linking in different hierarchies should fail */
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ret = gst_pad_link (srcpad, sinkpad);
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fail_unless (ret == GST_PAD_LINK_WRONG_HIERARCHY);
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/* now setup a ghostpad */
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gpad = gst_ghost_pad_new ("sink", sinkpad);
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gst_object_unref (sinkpad);
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/* need to ref as _add_pad takes ownership */
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gst_object_ref (gpad);
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gst_element_add_pad (b2, gpad);
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/* our new sinkpad */
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sinkpad = gpad;
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/* and linking should work now */
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ret = gst_pad_link (srcpad, sinkpad);
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fail_unless (ret == GST_PAD_LINK_OK);
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/* flush the message, dropping the b1 refcount to 1 */
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gst_element_set_state (b1, GST_STATE_READY);
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gst_element_set_state (b1, GST_STATE_NULL);
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ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1);
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}
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GST_END_TEST;
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/* test if ghostpads are created automagically when using
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* gst_element_link_pads.
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*
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* fakesrc num_buffers=10 ! ( identity ) ! fakesink
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*/
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GST_START_TEST (test_ghost_pads)
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{
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GstElement *b1, *b2, *src, *i1, *sink;
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GstPad *gsink, *gsrc, *gisrc, *gisink, *isink, *isrc, *fsrc, *fsink;
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GstStateChangeReturn ret;
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b1 = gst_element_factory_make ("pipeline", NULL);
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b2 = gst_element_factory_make ("bin", NULL);
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src = gst_element_factory_make ("fakesrc", NULL);
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g_object_set (src, "num-buffers", (int) 10, NULL);
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i1 = gst_element_factory_make ("identity", NULL);
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sink = gst_element_factory_make ("fakesink", NULL);
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fail_unless (gst_bin_add (GST_BIN (b2), i1));
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fail_unless (gst_bin_add (GST_BIN (b1), src));
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fail_unless (gst_bin_add (GST_BIN (b1), b2));
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fail_unless (gst_bin_add (GST_BIN (b1), sink));
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fail_unless (gst_element_link_pads (src, NULL, i1, NULL));
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fail_unless (gst_element_link_pads (i1, NULL, sink, NULL));
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GST_OBJECT_LOCK (b2);
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fail_unless (b2->numsinkpads == 1);
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fail_unless (GST_IS_GHOST_PAD (b2->sinkpads->data));
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fail_unless (b2->numsrcpads == 1);
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fail_unless (GST_IS_GHOST_PAD (b2->srcpads->data));
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GST_OBJECT_UNLOCK (b2);
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fsrc = gst_element_get_pad (src, "src");
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fail_unless (fsrc != NULL);
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gsink = GST_PAD (gst_object_ref (b2->sinkpads->data));
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fail_unless (gsink != NULL);
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gsrc = GST_PAD (gst_object_ref (b2->srcpads->data));
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fail_unless (gsrc != NULL);
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fsink = gst_element_get_pad (sink, "sink");
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fail_unless (fsink != NULL);
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isink = gst_element_get_pad (i1, "sink");
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fail_unless (isink != NULL);
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isrc = gst_element_get_pad (i1, "src");
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fail_unless (isrc != NULL);
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gisrc = gst_pad_get_peer (isink);
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fail_unless (gisrc != NULL);
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gisink = gst_pad_get_peer (isrc);
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fail_unless (gisink != NULL);
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/* all objects above have one refcount owned by us as well */
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ASSERT_OBJECT_REFCOUNT (fsrc, "fsrc", 3); /* parent and gisrc */
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ASSERT_OBJECT_REFCOUNT (gsink, "gsink", 2); /* parent */
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ASSERT_OBJECT_REFCOUNT (gsrc, "gsrc", 2); /* parent */
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ASSERT_OBJECT_REFCOUNT (fsink, "fsink", 3); /* parent and gisink */
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ASSERT_OBJECT_REFCOUNT (gisrc, "gisrc", 2); /* parent */
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ASSERT_OBJECT_REFCOUNT (isink, "isink", 3); /* parent and gsink */
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ASSERT_OBJECT_REFCOUNT (gisink, "gisink", 2); /* parent */
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ASSERT_OBJECT_REFCOUNT (isrc, "isrc", 3); /* parent and gsrc */
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ret = gst_element_set_state (b1, GST_STATE_PLAYING);
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ret = gst_element_get_state (b1, NULL, NULL, GST_CLOCK_TIME_NONE);
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fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
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ret = gst_element_set_state (b1, GST_STATE_NULL);
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ret = gst_element_get_state (b1, NULL, NULL, GST_CLOCK_TIME_NONE);
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fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
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gst_object_unref (b1);
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/* unreffing the bin will unref all elements, which will unlink and unparent
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* all pads */
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/* wait for thread to settle down */
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while (GST_OBJECT_REFCOUNT_VALUE (fsrc) > 2)
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THREAD_SWITCH ();
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ASSERT_OBJECT_REFCOUNT (fsrc, "fsrc", 1);
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ASSERT_OBJECT_REFCOUNT (gsink, "gsink", 1);
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ASSERT_OBJECT_REFCOUNT (gsrc, "gsink", 1);
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ASSERT_OBJECT_REFCOUNT (fsink, "fsink", 1);
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ASSERT_OBJECT_REFCOUNT (gisrc, "gisrc", 2); /* gsink */
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ASSERT_OBJECT_REFCOUNT (isink, "isink", 2); /* gsink */
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ASSERT_OBJECT_REFCOUNT (gisink, "gisink", 2); /* gsrc */
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ASSERT_OBJECT_REFCOUNT (isrc, "isrc", 2); /* gsrc */
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gst_object_unref (gsink);
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ASSERT_OBJECT_REFCOUNT (isink, "isink", 1);
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ASSERT_OBJECT_REFCOUNT (gisrc, "gisrc", 1);
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ASSERT_OBJECT_REFCOUNT (fsrc, "fsrc", 1);
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gst_object_unref (gisrc);
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ASSERT_OBJECT_REFCOUNT (fsrc, "fsrc", 1);
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gst_object_unref (gsrc);
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ASSERT_OBJECT_REFCOUNT (isrc, "isrc", 1);
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ASSERT_OBJECT_REFCOUNT (gisink, "gisink", 1);
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ASSERT_OBJECT_REFCOUNT (fsink, "fsink", 1);
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gst_object_unref (gisink);
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ASSERT_OBJECT_REFCOUNT (fsink, "fsink", 1);
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gst_object_unref (fsrc);
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gst_object_unref (isrc);
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gst_object_unref (isink);
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gst_object_unref (fsink);
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}
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GST_END_TEST;
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GST_START_TEST (test_ghost_pads_bin)
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{
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GstBin *pipeline;
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GstBin *srcbin;
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GstBin *sinkbin;
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GstElement *src;
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GstElement *sink;
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GstPad *srcghost;
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GstPad *sinkghost;
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pipeline = GST_BIN (gst_pipeline_new ("pipe"));
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ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
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srcbin = GST_BIN (gst_bin_new ("srcbin"));
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gst_bin_add (pipeline, GST_ELEMENT (srcbin));
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ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 2); /* provide-clock msg */
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sinkbin = GST_BIN (gst_bin_new ("sinkbin"));
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gst_bin_add (pipeline, GST_ELEMENT (sinkbin));
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ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 3); /* provide-clock msg */
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src = gst_element_factory_make ("fakesrc", "src");
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gst_bin_add (srcbin, src);
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srcghost = gst_ghost_pad_new ("src", gst_element_get_pad (src, "src"));
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gst_element_add_pad (GST_ELEMENT (srcbin), srcghost);
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sink = gst_element_factory_make ("fakesink", "sink");
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gst_bin_add (sinkbin, sink);
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sinkghost = gst_ghost_pad_new ("sink", gst_element_get_pad (sink, "sink"));
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gst_element_add_pad (GST_ELEMENT (sinkbin), sinkghost);
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gst_element_link (GST_ELEMENT (srcbin), GST_ELEMENT (sinkbin));
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fail_unless (GST_PAD_PEER (srcghost) != NULL);
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fail_unless (GST_PAD_PEER (sinkghost) != NULL);
|
|
fail_unless (GST_PAD_PEER (gst_ghost_pad_get_target (GST_GHOST_PAD
|
|
(srcghost))) != NULL);
|
|
fail_unless (GST_PAD_PEER (gst_ghost_pad_get_target (GST_GHOST_PAD
|
|
(sinkghost))) != NULL);
|
|
|
|
/* flush the message, dropping the b1 refcount to 1 */
|
|
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_READY);
|
|
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
|
|
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
typedef struct
|
|
{
|
|
GMutex *mutex;
|
|
GCond *cond;
|
|
} BlockData;
|
|
|
|
static void
|
|
block_callback (GstPad * pad, gboolean blocked, gpointer user_data)
|
|
{
|
|
BlockData *block_data = (BlockData *) user_data;
|
|
|
|
g_mutex_lock (block_data->mutex);
|
|
GST_DEBUG ("blocked\n");
|
|
g_cond_signal (block_data->cond);
|
|
g_mutex_unlock (block_data->mutex);
|
|
}
|
|
|
|
GST_START_TEST (test_ghost_pads_block)
|
|
{
|
|
GstBin *pipeline;
|
|
GstBin *srcbin;
|
|
GstElement *src;
|
|
GstPad *srcpad;
|
|
GstPad *srcghost;
|
|
BlockData block_data;
|
|
|
|
pipeline = GST_BIN (gst_pipeline_new ("pipeline"));
|
|
|
|
srcbin = GST_BIN (gst_bin_new ("srcbin"));
|
|
gst_bin_add (pipeline, GST_ELEMENT (srcbin));
|
|
|
|
src = gst_element_factory_make ("fakesrc", "src");
|
|
gst_bin_add (srcbin, src);
|
|
srcpad = gst_element_get_pad (src, "src");
|
|
srcghost = gst_ghost_pad_new ("src", srcpad);
|
|
gst_element_add_pad (GST_ELEMENT (srcbin), srcghost);
|
|
gst_object_unref (srcpad);
|
|
|
|
block_data.mutex = g_mutex_new ();
|
|
block_data.cond = g_cond_new ();
|
|
|
|
g_mutex_lock (block_data.mutex);
|
|
gst_pad_set_blocked_async (srcghost, TRUE, block_callback, &block_data);
|
|
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
|
|
/* and wait now */
|
|
g_cond_wait (block_data.cond, block_data.mutex);
|
|
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
|
|
g_mutex_unlock (block_data.mutex);
|
|
|
|
g_mutex_free (block_data.mutex);
|
|
g_cond_free (block_data.cond);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_ghost_pads_probes)
|
|
{
|
|
GstBin *pipeline;
|
|
GstBin *srcbin;
|
|
GstElement *src;
|
|
GstPad *srcpad;
|
|
GstPad *srcghost;
|
|
BlockData block_data;
|
|
|
|
pipeline = GST_BIN (gst_pipeline_new ("pipeline"));
|
|
|
|
srcbin = GST_BIN (gst_bin_new ("srcbin"));
|
|
gst_bin_add (pipeline, GST_ELEMENT (srcbin));
|
|
|
|
src = gst_element_factory_make ("fakesrc", "src");
|
|
gst_bin_add (srcbin, src);
|
|
srcpad = gst_element_get_pad (src, "src");
|
|
srcghost = gst_ghost_pad_new ("src", srcpad);
|
|
gst_element_add_pad (GST_ELEMENT (srcbin), srcghost);
|
|
gst_object_unref (srcpad);
|
|
|
|
block_data.mutex = g_mutex_new ();
|
|
block_data.cond = g_cond_new ();
|
|
|
|
g_mutex_lock (block_data.mutex);
|
|
gst_pad_set_blocked_async (srcghost, TRUE, block_callback, &block_data);
|
|
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
|
|
/* and wait now */
|
|
g_cond_wait (block_data.cond, block_data.mutex);
|
|
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
|
|
g_mutex_unlock (block_data.mutex);
|
|
|
|
g_mutex_free (block_data.mutex);
|
|
g_cond_free (block_data.cond);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
Suite *
|
|
gst_ghost_pad_suite (void)
|
|
{
|
|
Suite *s = suite_create ("GstGhostPad");
|
|
TCase *tc_chain = tcase_create ("ghost pad tests");
|
|
|
|
suite_add_tcase (s, tc_chain);
|
|
tcase_add_test (tc_chain, test_remove1);
|
|
tcase_add_test (tc_chain, test_remove2);
|
|
tcase_add_test (tc_chain, test_link);
|
|
tcase_add_test (tc_chain, test_ghost_pads);
|
|
tcase_add_test (tc_chain, test_ghost_pads_bin);
|
|
/* tcase_add_test (tc_chain, test_ghost_pad_notarget); */
|
|
tcase_add_test (tc_chain, test_ghost_pads_block);
|
|
tcase_add_test (tc_chain, test_ghost_pads_probes);
|
|
|
|
return s;
|
|
}
|
|
|
|
GST_CHECK_MAIN (gst_ghost_pad);
|