/* GStreamer * Copyright (C) 2005 Wim Taymans * * gstghostpad.c: Unit test for GstGhostPad * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include /* test if removing a bin also cleans up the ghostpads */ GST_START_TEST (test_remove1) { GstElement *b1, *b2, *src, *sink; GstPad *srcpad, *sinkpad; GstPadLinkReturn ret; b1 = gst_element_factory_make ("pipeline", NULL); b2 = gst_element_factory_make ("bin", NULL); src = gst_element_factory_make ("fakesrc", NULL); sink = gst_element_factory_make ("fakesink", NULL); ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1); ASSERT_OBJECT_REFCOUNT (b2, "bin", 1); fail_unless (gst_bin_add (GST_BIN (b2), sink)); fail_unless (gst_bin_add (GST_BIN (b1), src)); ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1); ASSERT_OBJECT_REFCOUNT (b2, "bin", 1); fail_unless (gst_bin_add (GST_BIN (b1), b2)); ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1); ASSERT_OBJECT_REFCOUNT (b2, "bin", 1); sinkpad = gst_element_get_static_pad (sink, "sink"); gst_element_add_pad (b2, gst_ghost_pad_new ("sink", sinkpad)); gst_object_unref (sinkpad); srcpad = gst_element_get_static_pad (src, "src"); /* get the ghostpad */ sinkpad = gst_element_get_static_pad (b2, "sink"); ret = gst_pad_link (srcpad, sinkpad); fail_unless (ret == GST_PAD_LINK_OK); gst_object_unref (srcpad); gst_object_unref (sinkpad); /* now remove the bin with the ghostpad, b2 is disposed now. */ ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1); ASSERT_OBJECT_REFCOUNT (b2, "bin", 1); gst_bin_remove (GST_BIN (b1), b2); srcpad = gst_element_get_static_pad (src, "src"); /* pad cannot be linked now */ fail_if (gst_pad_is_linked (srcpad)); gst_object_unref (srcpad); ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1); gst_object_unref (b1); } GST_END_TEST; /* test if removing a bin also cleans up the ghostpads */ GST_START_TEST (test_remove2) { GstElement *b1, *b2, *src, *sink; GstPad *srcpad, *sinkpad; GstPadLinkReturn ret; b1 = gst_element_factory_make ("pipeline", NULL); b2 = gst_element_factory_make ("bin", NULL); src = gst_element_factory_make ("fakesrc", NULL); sink = gst_element_factory_make ("fakesink", NULL); ASSERT_OBJECT_REFCOUNT (src, "src", 1); fail_unless (gst_bin_add (GST_BIN (b2), sink)); fail_unless (gst_bin_add (GST_BIN (b1), src)); fail_unless (gst_bin_add (GST_BIN (b1), b2)); ASSERT_OBJECT_REFCOUNT (src, "src", 1); sinkpad = gst_element_get_static_pad (sink, "sink"); gst_element_add_pad (b2, gst_ghost_pad_new ("sink", sinkpad)); gst_object_unref (sinkpad); srcpad = gst_element_get_static_pad (src, "src"); ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 2); /* since we got one */ /* get the ghostpad */ sinkpad = gst_element_get_static_pad (b2, "sink"); ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2); /* since we got one */ GST_DEBUG ("linking srcpad and sinkpad"); ret = gst_pad_link (srcpad, sinkpad); GST_DEBUG ("linked srcpad and sinkpad"); fail_unless (ret == GST_PAD_LINK_OK); /* Refcount should be unchanged, targets are now decuced using peer pad */ ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 2); ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2); gst_object_unref (srcpad); gst_object_unref (sinkpad); /* now remove the sink from the bin */ gst_bin_remove (GST_BIN (b2), sink); srcpad = gst_element_get_static_pad (src, "src"); /* pad is still linked to ghostpad */ fail_if (!gst_pad_is_linked (srcpad)); ASSERT_OBJECT_REFCOUNT (src, "src", 1); ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 2); gst_object_unref (srcpad); ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 1); /* cleanup */ /* now unlink the pads */ gst_pad_unlink (srcpad, sinkpad); ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 1); /* we dropped our ref */ ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 1); ASSERT_OBJECT_REFCOUNT (src, "src", 1); ASSERT_OBJECT_REFCOUNT (b2, "bin", 1); /* remove b2 from b1 */ gst_bin_remove (GST_BIN (b1), b2); /* flush the message, dropping the b1 refcount to 1 */ gst_element_set_state (b1, GST_STATE_READY); gst_element_set_state (b1, GST_STATE_NULL); ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1); gst_object_unref (b1); } GST_END_TEST; /* test if a ghost pad without a target can be linked and * unlinked. An untargeted ghostpad has a default ANY caps unless there * is a padtemplate that says something else. */ GST_START_TEST (test_ghost_pads_notarget) { GstElement *b1, *b2, *sink; GstPad *srcpad, *sinkpad, *peer; GstPadLinkReturn ret; gboolean bret; GstBus *bus; GstCaps *caps; b1 = gst_element_factory_make ("pipeline", NULL); /* make sure all messages are discarded */ bus = gst_pipeline_get_bus (GST_PIPELINE (b1)); gst_bus_set_flushing (bus, TRUE); gst_object_unref (bus); b2 = gst_element_factory_make ("bin", NULL); sink = gst_element_factory_make ("fakesink", NULL); fail_unless (gst_bin_add (GST_BIN (b1), sink)); fail_unless (gst_bin_add (GST_BIN (b1), b2)); srcpad = gst_ghost_pad_new_no_target ("src", GST_PAD_SRC); fail_unless (srcpad != NULL); sinkpad = gst_element_get_static_pad (sink, "sink"); fail_unless (sinkpad != NULL); ret = gst_pad_link (srcpad, sinkpad); fail_unless (ret == GST_PAD_LINK_OK); /* check if the peers are ok */ peer = gst_pad_get_peer (srcpad); fail_unless (peer == sinkpad); gst_object_unref (peer); peer = gst_pad_get_peer (sinkpad); fail_unless (peer == srcpad); gst_object_unref (peer); /* check caps, untargetted pad should return ANY or the padtemplate caps * when it was created from a template */ caps = gst_pad_query_caps (srcpad, NULL); fail_unless (gst_caps_is_any (caps)); gst_caps_unref (caps); /* unlink */ bret = gst_pad_unlink (srcpad, sinkpad); fail_unless (bret == TRUE); /* cleanup */ gst_object_unref (srcpad); gst_object_unref (sinkpad); gst_object_unref (b1); } GST_END_TEST; /* Test that removing the target of a ghostpad properly sets the target of the * ghostpad to NULL */ GST_START_TEST (test_remove_target) { GstElement *b1, *b2, *src, *sink; GstPad *sinkpad, *ghost, *target; b1 = gst_element_factory_make ("pipeline", NULL); b2 = gst_element_factory_make ("bin", NULL); src = gst_element_factory_make ("fakesrc", NULL); sink = gst_element_factory_make ("fakesink", NULL); ASSERT_OBJECT_REFCOUNT (src, "src", 1); fail_unless (gst_bin_add (GST_BIN (b2), sink)); fail_unless (gst_bin_add (GST_BIN (b1), src)); fail_unless (gst_bin_add (GST_BIN (b1), b2)); ASSERT_OBJECT_REFCOUNT (src, "src", 1); sinkpad = gst_element_get_static_pad (sink, "sink"); gst_element_add_pad (b2, gst_ghost_pad_new ("sink", sinkpad)); ghost = gst_element_get_static_pad (b2, "sink"); target = gst_ghost_pad_get_target (GST_GHOST_PAD (ghost)); fail_unless (target == sinkpad); gst_object_unref (target); gst_object_unref (sinkpad); gst_bin_remove (GST_BIN (b2), sink); target = gst_ghost_pad_get_target (GST_GHOST_PAD (ghost)); fail_unless (target == NULL); gst_object_unref (b1); gst_object_unref (ghost); } GST_END_TEST; /* test if linking fails over different bins using a pipeline * like this: * * fakesrc num_buffers=10 ! ( fakesink ) * */ GST_START_TEST (test_link) { GstElement *b1, *b2, *src, *sink; GstPad *srcpad, *sinkpad, *gpad, *ppad, *tmp; GstPadLinkReturn ret; b1 = gst_element_factory_make ("pipeline", NULL); b2 = gst_element_factory_make ("bin", NULL); src = gst_element_factory_make ("fakesrc", NULL); sink = gst_element_factory_make ("fakesink", NULL); fail_unless (gst_bin_add (GST_BIN (b2), sink)); fail_unless (gst_bin_add (GST_BIN (b1), src)); fail_unless (gst_bin_add (GST_BIN (b1), b2)); srcpad = gst_element_get_static_pad (src, "src"); fail_unless (srcpad != NULL); sinkpad = gst_element_get_static_pad (sink, "sink"); fail_unless (sinkpad != NULL); /* linking in different hierarchies should fail */ ret = gst_pad_link (srcpad, sinkpad); fail_unless (ret == GST_PAD_LINK_WRONG_HIERARCHY); /* now setup a ghostpad */ gpad = gst_ghost_pad_new ("sink", sinkpad); /* Check if the internal pads are set correctly */ ppad = GST_PAD (gst_proxy_pad_get_internal (GST_PROXY_PAD (gpad))); fail_unless (ppad == GST_PAD_PEER (sinkpad)); tmp = GST_PAD (gst_proxy_pad_get_internal (GST_PROXY_PAD (ppad))); fail_unless (tmp == gpad); gst_object_unref (tmp); gst_object_unref (ppad); gst_object_unref (sinkpad); /* need to ref as _add_pad takes ownership */ gst_object_ref (gpad); gst_element_add_pad (b2, gpad); /* our new sinkpad */ sinkpad = gpad; /* and linking should work now */ ret = gst_pad_link (srcpad, sinkpad); fail_unless (ret == GST_PAD_LINK_OK); /* flush the message, dropping the b1 refcount to 1 */ gst_element_set_state (b1, GST_STATE_READY); gst_element_set_state (b1, GST_STATE_NULL); ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1); gst_object_unref (srcpad); gst_object_unref (sinkpad); gst_object_unref (b1); } GST_END_TEST; /* test if ghostpads are created automagically when using * gst_element_link_pads. * * fakesrc num_buffers=10 ! ( identity ) ! fakesink */ GST_START_TEST (test_ghost_pads) { GstElement *b1, *b2, *src, *i1, *sink; GstPad *gsink, *gsrc, *gisrc, *gisink, *isink, *isrc, *fsrc, *fsink; GstStateChangeReturn ret; b1 = gst_element_factory_make ("pipeline", NULL); b2 = gst_element_factory_make ("bin", NULL); src = gst_element_factory_make ("fakesrc", NULL); g_object_set (src, "num-buffers", (int) 10, NULL); i1 = gst_element_factory_make ("identity", NULL); sink = gst_element_factory_make ("fakesink", NULL); fail_unless (gst_bin_add (GST_BIN (b2), i1)); fail_unless (gst_bin_add (GST_BIN (b1), src)); fail_unless (gst_bin_add (GST_BIN (b1), b2)); fail_unless (gst_bin_add (GST_BIN (b1), sink)); fail_unless (gst_element_link_pads (src, NULL, i1, NULL)); fail_unless (gst_element_link_pads (i1, NULL, sink, NULL)); GST_OBJECT_LOCK (b2); fail_unless (b2->numsinkpads == 1); fail_unless (GST_IS_GHOST_PAD (b2->sinkpads->data)); fail_unless (b2->numsrcpads == 1); fail_unless (GST_IS_GHOST_PAD (b2->srcpads->data)); GST_OBJECT_UNLOCK (b2); fsrc = gst_element_get_static_pad (src, "src"); fail_unless (fsrc != NULL); gsink = GST_PAD (gst_object_ref (b2->sinkpads->data)); fail_unless (gsink != NULL); gsrc = GST_PAD (gst_object_ref (b2->srcpads->data)); fail_unless (gsrc != NULL); fsink = gst_element_get_static_pad (sink, "sink"); fail_unless (fsink != NULL); isink = gst_element_get_static_pad (i1, "sink"); fail_unless (isink != NULL); isrc = gst_element_get_static_pad (i1, "src"); fail_unless (isrc != NULL); gisrc = gst_pad_get_peer (isink); fail_unless (gisrc != NULL); gisink = gst_pad_get_peer (isrc); fail_unless (gisink != NULL); /* all objects above have one refcount owned by us as well */ ASSERT_OBJECT_REFCOUNT (fsrc, "fsrc", 2); /* parent */ ASSERT_OBJECT_REFCOUNT (gsink, "gsink", 2); /* parent */ ASSERT_OBJECT_REFCOUNT (gsrc, "gsrc", 2); /* parent */ ASSERT_OBJECT_REFCOUNT (fsink, "fsink", 2); /* parent */ ASSERT_OBJECT_REFCOUNT (gisrc, "gisrc", 2); /* parent */ ASSERT_OBJECT_REFCOUNT (isink, "isink", 2); /* parent */ ASSERT_OBJECT_REFCOUNT (gisink, "gisink", 2); /* parent */ ASSERT_OBJECT_REFCOUNT (isrc, "isrc", 2); /* parent */ ret = gst_element_set_state (b1, GST_STATE_PLAYING); ret = gst_element_get_state (b1, NULL, NULL, GST_CLOCK_TIME_NONE); fail_unless (ret == GST_STATE_CHANGE_SUCCESS); ret = gst_element_set_state (b1, GST_STATE_NULL); ret = gst_element_get_state (b1, NULL, NULL, GST_CLOCK_TIME_NONE); fail_unless (ret == GST_STATE_CHANGE_SUCCESS); gst_object_unref (b1); /* unreffing the bin will unref all elements, which will unlink and unparent * all pads */ /* wait for thread to settle down */ while (GST_OBJECT_REFCOUNT_VALUE (fsrc) > 1) THREAD_SWITCH (); ASSERT_OBJECT_REFCOUNT (fsrc, "fsrc", 1); ASSERT_OBJECT_REFCOUNT (gsink, "gsink", 1); ASSERT_OBJECT_REFCOUNT (gsrc, "gsink", 1); ASSERT_OBJECT_REFCOUNT (fsink, "fsink", 1); ASSERT_OBJECT_REFCOUNT (gisrc, "gisrc", 2); /* gsink */ ASSERT_OBJECT_REFCOUNT (isink, "isink", 1); /* gsink */ ASSERT_OBJECT_REFCOUNT (gisink, "gisink", 2); /* gsrc */ ASSERT_OBJECT_REFCOUNT (isrc, "isrc", 1); /* gsrc */ gst_object_unref (gsink); ASSERT_OBJECT_REFCOUNT (isink, "isink", 1); ASSERT_OBJECT_REFCOUNT (gisrc, "gisrc", 1); ASSERT_OBJECT_REFCOUNT (fsrc, "fsrc", 1); gst_object_unref (gisrc); ASSERT_OBJECT_REFCOUNT (fsrc, "fsrc", 1); gst_object_unref (gsrc); ASSERT_OBJECT_REFCOUNT (isrc, "isrc", 1); ASSERT_OBJECT_REFCOUNT (gisink, "gisink", 1); ASSERT_OBJECT_REFCOUNT (fsink, "fsink", 1); gst_object_unref (gisink); ASSERT_OBJECT_REFCOUNT (fsink, "fsink", 1); gst_object_unref (fsrc); gst_object_unref (isrc); gst_object_unref (isink); gst_object_unref (fsink); } GST_END_TEST; GST_START_TEST (test_ghost_pads_bin) { GstBin *pipeline; GstBin *srcbin; GstBin *sinkbin; GstElement *src; GstElement *sink; GstPad *srcpad, *srcghost, *target; GstPad *sinkpad, *sinkghost; pipeline = GST_BIN (gst_pipeline_new ("pipe")); ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1); srcbin = GST_BIN (gst_bin_new ("srcbin")); gst_bin_add (pipeline, GST_ELEMENT (srcbin)); ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1); sinkbin = GST_BIN (gst_bin_new ("sinkbin")); gst_bin_add (pipeline, GST_ELEMENT (sinkbin)); ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1); src = gst_element_factory_make ("fakesrc", "src"); gst_bin_add (srcbin, src); srcpad = gst_element_get_static_pad (src, "src"); srcghost = gst_ghost_pad_new ("src", srcpad); gst_object_unref (srcpad); gst_element_add_pad (GST_ELEMENT (srcbin), srcghost); sink = gst_element_factory_make ("fakesink", "sink"); gst_bin_add (sinkbin, sink); sinkpad = gst_element_get_static_pad (sink, "sink"); sinkghost = gst_ghost_pad_new ("sink", sinkpad); gst_object_unref (sinkpad); gst_element_add_pad (GST_ELEMENT (sinkbin), sinkghost); gst_element_link (GST_ELEMENT (srcbin), GST_ELEMENT (sinkbin)); fail_unless (GST_PAD_PEER (srcghost) != NULL); fail_unless (GST_PAD_PEER (sinkghost) != NULL); target = gst_ghost_pad_get_target (GST_GHOST_PAD (srcghost)); fail_unless (GST_PAD_PEER (target) != NULL); gst_object_unref (target); target = gst_ghost_pad_get_target (GST_GHOST_PAD (sinkghost)); fail_unless (GST_PAD_PEER (target) != NULL); gst_object_unref (target); ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1); gst_object_unref (pipeline); } GST_END_TEST; typedef struct { GMutex mutex; GCond cond; } BlockData; static GstPadProbeReturn block_callback (GstPad * pad, GstPadProbeInfo * info, 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); return GST_PAD_PROBE_OK; } 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_static_pad (src, "src"); srcghost = gst_ghost_pad_new ("src", srcpad); gst_element_add_pad (GST_ELEMENT (srcbin), srcghost); gst_object_unref (srcpad); g_mutex_init (&block_data.mutex); g_cond_init (&block_data.cond); g_mutex_lock (&block_data.mutex); gst_pad_add_probe (srcghost, GST_PAD_PROBE_TYPE_BLOCK, block_callback, &block_data, NULL); gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING); /* and wait now */ g_cond_wait (&block_data.cond, &block_data.mutex); g_mutex_unlock (&block_data.mutex); gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL); g_mutex_clear (&block_data.mutex); g_cond_clear (&block_data.cond); ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1); gst_object_unref (pipeline); } 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_static_pad (src, "src"); srcghost = gst_ghost_pad_new ("src", srcpad); gst_element_add_pad (GST_ELEMENT (srcbin), srcghost); gst_object_unref (srcpad); g_mutex_init (&block_data.mutex); g_cond_init (&block_data.cond); g_mutex_lock (&block_data.mutex); gst_pad_add_probe (srcghost, GST_PAD_PROBE_TYPE_BLOCK, block_callback, &block_data, NULL); gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING); /* and wait now */ g_cond_wait (&block_data.cond, &block_data.mutex); g_mutex_unlock (&block_data.mutex); gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL); g_mutex_clear (&block_data.mutex); g_cond_clear (&block_data.cond); ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1); gst_object_unref (pipeline); } GST_END_TEST; GST_START_TEST (test_ghost_pads_new_from_template) { GstPad *sinkpad, *ghostpad; GstPadTemplate *padtempl, *ghosttempl; GstCaps *padcaps, *ghostcaps, *newcaps; padcaps = gst_caps_from_string ("some/caps"); fail_unless (padcaps != NULL); ghostcaps = gst_caps_from_string ("some/caps;some/other-caps"); fail_unless (ghostcaps != NULL); padtempl = gst_pad_template_new ("padtempl", GST_PAD_SINK, GST_PAD_ALWAYS, padcaps); fail_unless (padtempl != NULL); ghosttempl = gst_pad_template_new ("ghosttempl", GST_PAD_SINK, GST_PAD_ALWAYS, ghostcaps); sinkpad = gst_pad_new_from_template (padtempl, "sinkpad"); fail_unless (sinkpad != NULL); ghostpad = gst_ghost_pad_new_from_template ("ghostpad", sinkpad, ghosttempl); fail_unless (ghostpad != NULL); /* check template is properly set */ fail_unless (GST_PAD_PAD_TEMPLATE (ghostpad) == ghosttempl); /* check ghostpad caps are from the sinkpad */ newcaps = gst_pad_query_caps (ghostpad, NULL); fail_unless (newcaps != NULL); fail_unless (gst_caps_is_equal (newcaps, padcaps)); gst_caps_unref (newcaps); gst_caps_unref (padcaps); gst_caps_unref (ghostcaps); gst_object_unref (sinkpad); gst_object_unref (ghostpad); gst_object_unref (padtempl); gst_object_unref (ghosttempl); } GST_END_TEST; GST_START_TEST (test_ghost_pads_new_no_target_from_template) { GstPad *sinkpad, *ghostpad; GstPadTemplate *padtempl, *ghosttempl; GstCaps *padcaps, *ghostcaps, *newcaps; padcaps = gst_caps_from_string ("some/caps"); fail_unless (padcaps != NULL); ghostcaps = gst_caps_from_string ("some/caps;some/other-caps"); fail_unless (ghostcaps != NULL); padtempl = gst_pad_template_new ("padtempl", GST_PAD_SINK, GST_PAD_ALWAYS, padcaps); fail_unless (padtempl != NULL); ghosttempl = gst_pad_template_new ("ghosttempl", GST_PAD_SINK, GST_PAD_ALWAYS, ghostcaps); sinkpad = gst_pad_new_from_template (padtempl, "sinkpad"); fail_unless (sinkpad != NULL); ghostpad = gst_ghost_pad_new_no_target_from_template ("ghostpad", ghosttempl); fail_unless (ghostpad != NULL); /* check template is properly set */ fail_unless (GST_PAD_PAD_TEMPLATE (ghostpad) == ghosttempl); /* check ghostpad caps are from the ghostpad template */ newcaps = gst_pad_query_caps (ghostpad, NULL); fail_unless (newcaps != NULL); fail_unless (gst_caps_is_equal (newcaps, ghostcaps)); gst_caps_unref (newcaps); fail_unless (gst_ghost_pad_set_target ((GstGhostPad *) ghostpad, sinkpad)); /* check ghostpad caps are now from the target pad */ newcaps = gst_pad_query_caps (ghostpad, NULL); fail_unless (newcaps != NULL); fail_unless (gst_caps_is_equal (newcaps, padcaps)); gst_caps_unref (newcaps); gst_object_unref (sinkpad); gst_object_unref (ghostpad); gst_object_unref (padtempl); gst_object_unref (ghosttempl); gst_caps_unref (padcaps); gst_caps_unref (ghostcaps); } GST_END_TEST; static void ghost_notify_caps (GObject * object, GParamSpec * pspec, gpointer * user_data) { GST_DEBUG ("caps notify called"); (*(gint *) user_data)++; } GST_START_TEST (test_ghost_pads_forward_setcaps) { GstCaps *templ_caps, *caps1, *caps2; GstPadTemplate *src_template, *sink_template; GstPad *src, *ghost, *sink; gint notify_counter = 0; templ_caps = gst_caps_from_string ("meh; muh"); src_template = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, templ_caps); gst_caps_unref (templ_caps); templ_caps = gst_caps_from_string ("muh; meh"); sink_template = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, templ_caps); gst_caps_unref (templ_caps); src = gst_pad_new_from_template (src_template, "src"); sink = gst_pad_new_from_template (sink_template, "sink"); /* ghost source pad, setting caps on the source influences the caps of the * ghostpad. */ ghost = gst_ghost_pad_new ("ghostsrc", src); g_signal_connect (ghost, "notify::caps", G_CALLBACK (ghost_notify_caps), ¬ify_counter); fail_unless (gst_pad_link (ghost, sink) == GST_PAD_LINK_OK); /* Activate pads for caps forwarding/setting to work */ gst_pad_set_active (src, TRUE); gst_pad_set_active (ghost, TRUE); caps1 = gst_caps_from_string ("meh"); fail_unless (gst_pad_set_caps (src, caps1)); caps2 = gst_pad_get_current_caps (ghost); fail_unless (gst_caps_is_equal (caps1, caps2)); fail_unless_equals_int (notify_counter, 1); gst_object_unref (ghost); gst_caps_unref (caps1); gst_caps_unref (caps2); /* source 2, setting the caps on the ghostpad does not influence the caps of * the target */ notify_counter = 0; ghost = gst_ghost_pad_new ("ghostsrc", src); g_signal_connect (ghost, "notify::caps", G_CALLBACK (ghost_notify_caps), ¬ify_counter); fail_unless (gst_pad_link (ghost, sink) == GST_PAD_LINK_OK); gst_pad_set_active (ghost, TRUE); gst_pad_set_active (sink, TRUE); caps1 = gst_caps_from_string ("meh"); fail_unless (gst_pad_set_caps (ghost, caps1)); #if 0 caps2 = gst_pad_get_current_caps (src); fail_unless (caps2 == NULL); #endif fail_unless_equals_int (notify_counter, 1); gst_object_unref (ghost); gst_caps_unref (caps1); /* ghost sink pad. Setting caps on the ghostpad will also set those caps on * the target pad. */ notify_counter = 0; ghost = gst_ghost_pad_new ("ghostsink", sink); g_signal_connect (ghost, "notify::caps", G_CALLBACK (ghost_notify_caps), ¬ify_counter); fail_unless (gst_pad_link (src, ghost) == GST_PAD_LINK_OK); gst_pad_set_active (src, TRUE); gst_pad_set_active (ghost, TRUE); caps1 = gst_caps_from_string ("muh"); fail_unless (gst_pad_set_caps (ghost, caps1)); caps2 = gst_pad_get_current_caps (sink); fail_unless (gst_caps_is_equal (caps1, caps2)); fail_unless_equals_int (notify_counter, 1); gst_object_unref (ghost); gst_caps_unref (caps1); gst_caps_unref (caps2); /* clear caps on pads */ gst_pad_set_active (src, FALSE); gst_pad_set_active (src, TRUE); gst_pad_set_active (sink, FALSE); gst_pad_set_active (sink, TRUE); /* sink pad 2, setting caps just on the target pad should not influence the caps * on the ghostpad. */ notify_counter = 0; ghost = gst_ghost_pad_new ("ghostsink", sink); fail_unless (gst_pad_get_current_caps (ghost) == NULL); g_signal_connect (ghost, "notify::caps", G_CALLBACK (ghost_notify_caps), ¬ify_counter); fail_unless (gst_pad_link (src, ghost) == GST_PAD_LINK_OK); gst_pad_set_active (ghost, TRUE); caps1 = gst_caps_from_string ("muh"); fail_unless (gst_pad_set_caps (sink, caps1)); caps2 = gst_pad_get_current_caps (ghost); fail_unless (caps2 == NULL); fail_unless_equals_int (notify_counter, 0); gst_object_unref (ghost); gst_caps_unref (caps1); gst_object_unref (src); gst_object_unref (sink); gst_object_unref (src_template); gst_object_unref (sink_template); } GST_END_TEST; static gint linked_count1; static gint unlinked_count1; static gint linked_count2; static gint unlinked_count2; static GstPadLinkReturn pad_linked1 (GstPad * pad, GstObject * parent, GstPad * peer) { linked_count1++; return GST_PAD_LINK_OK; } static void pad_unlinked1 (GstPad * pad, GstObject * parent) { unlinked_count1++; } static GstPadLinkReturn pad_linked2 (GstPad * pad, GstObject * parent, GstPad * peer) { linked_count2++; return GST_PAD_LINK_OK; } static void pad_unlinked2 (GstPad * pad, GstObject * parent) { unlinked_count2++; } GST_START_TEST (test_ghost_pads_sink_link_unlink) { GstCaps *padcaps; GstPad *srcpad, *sinkpad, *ghostpad; GstPadTemplate *srctempl, *sinktempl; GstPadLinkReturn ret; gboolean res; padcaps = gst_caps_from_string ("some/caps"); fail_unless (padcaps != NULL); srctempl = gst_pad_template_new ("srctempl", GST_PAD_SRC, GST_PAD_ALWAYS, padcaps); gst_caps_unref (padcaps); padcaps = gst_caps_from_string ("some/caps"); fail_unless (padcaps != NULL); sinktempl = gst_pad_template_new ("sinktempl", GST_PAD_SINK, GST_PAD_ALWAYS, padcaps); gst_caps_unref (padcaps); srcpad = gst_pad_new_from_template (srctempl, "src"); fail_unless (srcpad != NULL); sinkpad = gst_pad_new_from_template (sinktempl, "sink"); fail_unless (sinkpad != NULL); /* set up link/unlink functions for the pad */ linked_count1 = unlinked_count1 = 0; gst_pad_set_link_function (sinkpad, pad_linked1); gst_pad_set_unlink_function (sinkpad, pad_unlinked1); linked_count2 = unlinked_count2 = 0; gst_pad_set_link_function (srcpad, pad_linked2); gst_pad_set_unlink_function (srcpad, pad_unlinked2); /* this should trigger a link from the internal pad to the sinkpad */ ghostpad = gst_ghost_pad_new ("ghostpad", sinkpad); fail_unless (ghostpad != NULL); fail_unless (linked_count1 == 1); fail_unless (unlinked_count1 == 0); fail_unless (linked_count2 == 0); fail_unless (unlinked_count2 == 0); /* this should not trigger anything because we are not directly * linking/unlinking the sink pad. */ ret = gst_pad_link (srcpad, ghostpad); fail_unless (ret == GST_PAD_LINK_OK); fail_unless (linked_count1 == 1); fail_unless (unlinked_count1 == 0); fail_unless (linked_count2 == 1); fail_unless (unlinked_count2 == 0); res = gst_pad_unlink (srcpad, ghostpad); fail_unless (res == TRUE); fail_unless (linked_count1 == 1); fail_unless (unlinked_count1 == 0); fail_unless (linked_count2 == 1); fail_unless (unlinked_count2 == 1); /* this should trigger the unlink */ res = gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (ghostpad), NULL); fail_unless (res == TRUE); fail_unless (linked_count1 == 1); fail_unless (unlinked_count1 == 1); fail_unless (linked_count2 == 1); fail_unless (unlinked_count2 == 1); gst_object_unref (ghostpad); gst_object_unref (sinkpad); gst_object_unref (srcpad); gst_object_unref (srctempl); gst_object_unref (sinktempl); } GST_END_TEST; GST_START_TEST (test_ghost_pads_src_link_unlink) { GstCaps *padcaps; GstPad *srcpad, *sinkpad, *ghostpad, *dummy; GstPadTemplate *srctempl, *sinktempl; GstPadLinkReturn ret; gboolean res; padcaps = gst_caps_from_string ("some/caps"); fail_unless (padcaps != NULL); srctempl = gst_pad_template_new ("srctempl", GST_PAD_SRC, GST_PAD_ALWAYS, padcaps); gst_caps_unref (padcaps); padcaps = gst_caps_from_string ("some/caps"); fail_unless (padcaps != NULL); sinktempl = gst_pad_template_new ("sinktempl", GST_PAD_SINK, GST_PAD_ALWAYS, padcaps); gst_caps_unref (padcaps); srcpad = gst_pad_new_from_template (srctempl, "src"); fail_unless (srcpad != NULL); sinkpad = gst_pad_new_from_template (sinktempl, "sink"); fail_unless (sinkpad != NULL); /* set up link/unlink functions for the pad */ linked_count1 = unlinked_count1 = 0; gst_pad_set_link_function (srcpad, pad_linked1); gst_pad_set_unlink_function (srcpad, pad_unlinked1); linked_count2 = unlinked_count2 = 0; gst_pad_set_link_function (sinkpad, pad_linked2); gst_pad_set_unlink_function (sinkpad, pad_unlinked2); /* this should trigger a link from the internal pad to the srcpad */ ghostpad = gst_ghost_pad_new ("ghostpad", srcpad); fail_unless (ghostpad != NULL); fail_unless (linked_count1 == 1); fail_unless (unlinked_count1 == 0); fail_unless (linked_count2 == 0); fail_unless (unlinked_count2 == 0); /* this should fail with a critial */ ASSERT_CRITICAL (dummy = gst_ghost_pad_new ("ghostpad", srcpad)); fail_unless (dummy == NULL); fail_unless (linked_count1 == 1); fail_unless (unlinked_count1 == 0); fail_unless (linked_count2 == 0); fail_unless (unlinked_count2 == 0); /* this should not trigger anything because we are not directly * linking/unlinking the src pad. */ ret = gst_pad_link (ghostpad, sinkpad); fail_unless (ret == GST_PAD_LINK_OK); fail_unless (linked_count1 == 1); fail_unless (unlinked_count1 == 0); fail_unless (linked_count2 == 1); fail_unless (unlinked_count2 == 0); /* this link should fail because we are already linked. Let's make sure the * link functions are not called */ ret = gst_pad_link (ghostpad, sinkpad); fail_unless (ret == GST_PAD_LINK_WAS_LINKED); fail_unless (linked_count1 == 1); fail_unless (unlinked_count1 == 0); fail_unless (linked_count2 == 1); fail_unless (unlinked_count2 == 0); res = gst_pad_unlink (ghostpad, sinkpad); fail_unless (res == TRUE); fail_unless (linked_count1 == 1); fail_unless (unlinked_count1 == 0); fail_unless (linked_count2 == 1); fail_unless (unlinked_count2 == 1); res = gst_pad_unlink (ghostpad, sinkpad); fail_unless (res == FALSE); fail_unless (linked_count1 == 1); fail_unless (unlinked_count1 == 0); fail_unless (linked_count2 == 1); fail_unless (unlinked_count2 == 1); /* this should trigger the unlink function */ res = gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (ghostpad), NULL); fail_unless (res == TRUE); fail_unless (linked_count1 == 1); fail_unless (unlinked_count1 == 1); fail_unless (linked_count2 == 1); fail_unless (unlinked_count2 == 1); /* and this the link function again */ res = gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (ghostpad), srcpad); fail_unless (res == TRUE); fail_unless (linked_count1 == 2); fail_unless (unlinked_count1 == 1); fail_unless (linked_count2 == 1); fail_unless (unlinked_count2 == 1); gst_object_unref (ghostpad); gst_object_unref (sinkpad); gst_object_unref (srcpad); gst_object_unref (srctempl); gst_object_unref (sinktempl); } GST_END_TEST; GST_START_TEST (test_ghost_pads_change_when_linked) { GstElement *b1, *b2, *src, *fmt, *sink1, *sink2; GstPad *sinkpad, *ghostpad; GstCaps *caps; b1 = gst_element_factory_make ("pipeline", NULL); b2 = gst_element_factory_make ("bin", NULL); src = gst_element_factory_make ("fakesrc", NULL); fmt = gst_element_factory_make ("capsfilter", NULL); sink1 = gst_element_factory_make ("fakesink", NULL); sink2 = gst_element_factory_make ("fakesink", NULL); gst_bin_add (GST_BIN (b2), sink1); gst_bin_add (GST_BIN (b2), sink2); gst_bin_add (GST_BIN (b1), src); gst_bin_add (GST_BIN (b1), fmt); gst_bin_add (GST_BIN (b1), b2); caps = gst_caps_from_string ("audio/x-raw, format=S16LE, channels=1"); g_object_set (fmt, "caps", caps, NULL); gst_caps_unref (caps); /* create the ghostpad as a sink-pad for bin 2 */ ghostpad = gst_ghost_pad_new_no_target ("sink", GST_PAD_SINK); gst_element_add_pad (b2, ghostpad); sinkpad = gst_element_get_static_pad (sink1, "sink"); fail_unless (gst_ghost_pad_set_target ((GstGhostPad *) ghostpad, sinkpad)); gst_object_unref (sinkpad); fail_unless (gst_element_link_many (src, fmt, b2, NULL)); /* set different target after ghostpad is linked */ sinkpad = gst_element_get_static_pad (sink2, "sink"); fail_unless (gst_ghost_pad_set_target ((GstGhostPad *) ghostpad, sinkpad)); gst_object_unref (sinkpad); /* clean up */ gst_object_unref (b1); } GST_END_TEST; /* test that setting a ghostpad proxy pad as ghostpad target automatically set * both ghostpad targets. * * fakesrc ! ( ) ! fakesink */ GST_START_TEST (test_ghost_pads_internal_link) { GstElement *pipeline, *src, *bin, *sink; GstPad *sinkpad, *srcpad, *target; GstProxyPad *proxypad; pipeline = gst_element_factory_make ("pipeline", NULL); bin = gst_element_factory_make ("bin", NULL); src = gst_element_factory_make ("fakesrc", NULL); sink = gst_element_factory_make ("fakesink", NULL); gst_bin_add (GST_BIN (pipeline), src); gst_bin_add (GST_BIN (pipeline), bin); gst_bin_add (GST_BIN (pipeline), sink); /* create the sink ghostpad */ sinkpad = gst_ghost_pad_new_no_target ("sink", GST_PAD_SINK); proxypad = gst_proxy_pad_get_internal (GST_PROXY_PAD (sinkpad)); gst_element_add_pad (bin, sinkpad); /* create the src ghostpad and link it to sink proxypad */ srcpad = gst_ghost_pad_new ("src", GST_PAD (proxypad)); gst_object_unref (proxypad); gst_element_add_pad (bin, srcpad); fail_unless (gst_element_link_many (src, bin, sink, NULL)); /* Check that both targets are set, and point to each other */ target = gst_ghost_pad_get_target (GST_GHOST_PAD (sinkpad)); fail_if (target == NULL); proxypad = gst_proxy_pad_get_internal (GST_PROXY_PAD (srcpad)); fail_unless (target == GST_PAD (proxypad)); gst_object_unref (target); gst_object_unref (proxypad); target = gst_ghost_pad_get_target (GST_GHOST_PAD (srcpad)); fail_if (target == NULL); proxypad = gst_proxy_pad_get_internal (GST_PROXY_PAD (sinkpad)); fail_unless (target == GST_PAD (proxypad)); gst_object_unref (target); gst_object_unref (proxypad); /* clean up */ gst_object_unref (pipeline); } GST_END_TEST; /* Test that remove a ghostpad that has something flowing through it does not * crash the program */ GstElement *bin; GstPad *ghostsink; GstPad *ghostsrc; static GstPadProbeReturn remove_ghostpad_probe_cb (GstPad * pad, GstPadProbeInfo * info, gpointer data) { gst_pad_set_active (ghostsrc, FALSE); gst_pad_set_active (ghostsink, FALSE); gst_element_remove_pad (bin, ghostsrc); gst_element_remove_pad (bin, ghostsink); return GST_PAD_PROBE_DROP; } GST_START_TEST (test_ghost_pads_remove_while_playing) { GstPad *sinkpad; GstPad *srcpad; GstSegment segment; bin = gst_bin_new (NULL); gst_element_set_state (bin, GST_STATE_PLAYING); ghostsrc = gst_ghost_pad_new_no_target ("ghostsrc", GST_PAD_SRC); sinkpad = GST_PAD (gst_proxy_pad_get_internal (GST_PROXY_PAD (ghostsrc))); ghostsink = gst_ghost_pad_new ("ghostsink", sinkpad); gst_object_unref (sinkpad); gst_pad_set_active (ghostsrc, TRUE); gst_pad_set_active (ghostsink, TRUE); gst_element_add_pad (bin, ghostsrc); gst_element_add_pad (bin, ghostsink); srcpad = gst_pad_new ("srcpad", GST_PAD_SRC); gst_pad_set_active (srcpad, TRUE); gst_pad_link (srcpad, ghostsink); gst_segment_init (&segment, GST_FORMAT_BYTES); fail_unless (gst_pad_push_event (srcpad, gst_event_new_stream_start ("test")) == TRUE); fail_unless (gst_pad_push_event (srcpad, gst_event_new_segment (&segment)) == TRUE); gst_pad_add_probe (ghostsrc, GST_PAD_PROBE_TYPE_BUFFER, remove_ghostpad_probe_cb, NULL, NULL); g_assert (gst_pad_push (srcpad, gst_buffer_new ()) == GST_FLOW_OK); gst_pad_set_active (srcpad, FALSE); gst_element_set_state (bin, GST_STATE_NULL); gst_object_unref (bin); gst_object_unref (srcpad); } GST_END_TEST; GST_START_TEST (test_activate_src) { GstHarness *h; GstElement *b; GstElement *src; GstPad *srcpad; b = gst_bin_new (NULL); src = gst_element_factory_make ("fakesrc", NULL); g_object_set (src, "sync", TRUE, NULL); gst_bin_add (GST_BIN (b), src); srcpad = gst_element_get_static_pad (src, "src"); gst_element_add_pad (b, gst_ghost_pad_new ("src", srcpad)); gst_object_unref (srcpad); h = gst_harness_new_with_element (b, NULL, "src"); gst_harness_play (h); gst_harness_crank_single_clock_wait (h); gst_buffer_unref (gst_harness_pull (h)); gst_object_unref (b); gst_harness_teardown (h); } GST_END_TEST; GST_START_TEST (test_activate_sink_and_src) { GstHarness *h; GstElement *b; GstElement *element; GstPad *sinkpad; GstPad *srcpad; b = gst_bin_new (NULL); element = gst_element_factory_make ("identity", NULL); gst_bin_add (GST_BIN (b), element); sinkpad = gst_element_get_static_pad (element, "sink"); gst_element_add_pad (b, gst_ghost_pad_new ("sink", sinkpad)); gst_object_unref (sinkpad); srcpad = gst_element_get_static_pad (element, "src"); gst_element_add_pad (b, gst_ghost_pad_new ("src", srcpad)); gst_object_unref (srcpad); h = gst_harness_new_with_element (b, "sink", "src"); gst_harness_set_src_caps_str (h, "mycaps"); gst_harness_push (h, gst_buffer_new ()); gst_buffer_unref (gst_harness_pull (h)); gst_object_unref (b); gst_harness_teardown (h); } GST_END_TEST; GST_START_TEST (test_activate_src_pull_mode) { GstElement *b; GstElement *src; GstPad *srcpad; GstPad *internalpad; GstPad *ghost; b = gst_bin_new (NULL); src = gst_element_factory_make ("fakesrc", NULL); gst_bin_add (GST_BIN (b), src); srcpad = gst_element_get_static_pad (src, "src"); ghost = gst_ghost_pad_new ("src", srcpad); gst_element_add_pad (b, ghost); internalpad = (GstPad *) gst_proxy_pad_get_internal ((GstProxyPad *) ghost); fail_if (GST_PAD_IS_ACTIVE (ghost)); fail_if (GST_PAD_IS_ACTIVE (internalpad)); fail_if (GST_PAD_IS_ACTIVE (srcpad)); fail_unless (gst_pad_activate_mode (ghost, GST_PAD_MODE_PULL, TRUE)); fail_unless (GST_PAD_IS_ACTIVE (ghost)); fail_unless (GST_PAD_IS_ACTIVE (internalpad)); fail_unless (GST_PAD_IS_ACTIVE (srcpad)); gst_object_unref (internalpad); gst_object_unref (srcpad); gst_object_unref (b); } GST_END_TEST; GST_START_TEST (test_activate_sink_switch_mode) { GstElement *pipeline; GstElement *b, *src, *identity; GstPad *srcpad, *sinkpad, *internalpad, *ghost; pipeline = gst_pipeline_new (NULL); b = gst_bin_new (NULL); gst_bin_add (GST_BIN (pipeline), b); src = gst_element_factory_make ("fakesrc", NULL); gst_bin_add (GST_BIN (pipeline), src); identity = gst_element_factory_make ("identity", NULL); gst_bin_add (GST_BIN (b), identity); sinkpad = gst_element_get_static_pad (identity, "sink"); ghost = gst_ghost_pad_new ("sink", sinkpad); gst_element_add_pad (b, ghost); srcpad = gst_element_get_static_pad (src, "src"); gst_pad_link (srcpad, ghost); internalpad = (GstPad *) gst_proxy_pad_get_internal ((GstProxyPad *) ghost); /* We start with no active pads */ fail_if (GST_PAD_IS_ACTIVE (ghost)); fail_if (GST_PAD_IS_ACTIVE (internalpad)); fail_if (GST_PAD_IS_ACTIVE (sinkpad)); fail_if (GST_PAD_IS_ACTIVE (srcpad)); GST_DEBUG ("Activating pads in push mode"); /* Let's first try to activate everything in push-mode, for this we need * to go on every exposed pad */ fail_unless (gst_pad_activate_mode (sinkpad, GST_PAD_MODE_PUSH, TRUE)); fail_unless (gst_pad_activate_mode (ghost, GST_PAD_MODE_PUSH, TRUE)); fail_unless (gst_pad_activate_mode (srcpad, GST_PAD_MODE_PUSH, TRUE)); GST_DEBUG ("Checking pads are all activated properly"); /* Let's check all pads are now active, including internal ones */ fail_unless (GST_PAD_MODE (ghost) == GST_PAD_MODE_PUSH); fail_unless (GST_PAD_MODE (internalpad) == GST_PAD_MODE_PUSH); fail_unless (GST_PAD_MODE (srcpad) == GST_PAD_MODE_PUSH); fail_unless (GST_PAD_MODE (sinkpad) == GST_PAD_MODE_PUSH); /* Now simulate a scheduling reconfiguration (PUSH=>PULL) */ fail_unless (gst_pad_activate_mode (sinkpad, GST_PAD_MODE_PULL, TRUE)); /* All pads should have switched modes */ fail_unless (GST_PAD_MODE (ghost) == GST_PAD_MODE_PULL); fail_unless (GST_PAD_MODE (srcpad) == GST_PAD_MODE_PULL); fail_unless (GST_PAD_MODE (sinkpad) == GST_PAD_MODE_PULL); fail_unless (GST_PAD_MODE (internalpad) == GST_PAD_MODE_PULL); gst_object_unref (internalpad); gst_object_unref (srcpad); gst_object_unref (sinkpad); gst_object_unref (pipeline); } GST_END_TEST; static gboolean thread_running; static gpointer send_query_to_pad_func (GstPad * pad) { GstQuery *query = gst_query_new_latency (); while (thread_running) { gst_pad_peer_query (pad, query); g_thread_yield (); } gst_query_unref (query); return NULL; } GST_START_TEST (test_stress_upstream_queries_while_tearing_down) { GThread *query_thread; gint i; GstPad *pad = gst_pad_new ("sink", GST_PAD_SINK); gst_pad_set_active (pad, TRUE); thread_running = TRUE; query_thread = g_thread_new ("queries", (GThreadFunc) send_query_to_pad_func, pad); for (i = 0; i < 1000; i++) { GstPad *ghostpad = gst_ghost_pad_new ("ghost-sink", pad); gst_pad_set_active (ghostpad, TRUE); g_thread_yield (); gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (ghostpad), NULL); gst_pad_set_active (pad, FALSE); gst_object_unref (ghostpad); } thread_running = FALSE; g_thread_join (query_thread); gst_object_unref (pad); } GST_END_TEST; GST_START_TEST (test_deactivate_already_deactive_with_no_parent) { /* This simulates the behavior where a ghostpad is released while * deactivating (for instance because of a state change). * gst_pad_activate_mode() may be be called from * gst_ghost_pad_internal_activate_push_default() on a pad that is already * deactivate and unparented. The call chain is really like somethink like * this: * gst_pad_activate_mode(ghostpad) * -> ... * -> gst_pad_activate_mode(proxypad) * -> ... * -> gst_pad_activate_mode(ghostpad) */ GstElement *bin = gst_bin_new ("testbin"); GstPad *pad = gst_ghost_pad_new_no_target ("src", GST_PAD_SRC); gst_object_ref (pad); /* We need to add/remove pad because that will update the pad's flags */ fail_unless (gst_element_add_pad (bin, pad)); fail_unless (gst_element_remove_pad (bin, pad)); /* Setting a pad that's already deactive to deactive should not fail. */ fail_if (gst_pad_is_active (pad)); fail_unless (gst_pad_activate_mode (pad, GST_PAD_MODE_PUSH, FALSE)); gst_object_unref (bin); gst_object_unref (pad); } GST_END_TEST; static 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_remove_target); 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_pads_notarget); tcase_add_test (tc_chain, test_ghost_pads_block); tcase_add_test (tc_chain, test_ghost_pads_probes); tcase_add_test (tc_chain, test_ghost_pads_new_from_template); tcase_add_test (tc_chain, test_ghost_pads_new_no_target_from_template); tcase_add_test (tc_chain, test_ghost_pads_forward_setcaps); tcase_add_test (tc_chain, test_ghost_pads_sink_link_unlink); tcase_add_test (tc_chain, test_ghost_pads_src_link_unlink); tcase_add_test (tc_chain, test_ghost_pads_change_when_linked); tcase_add_test (tc_chain, test_ghost_pads_internal_link); tcase_add_test (tc_chain, test_ghost_pads_remove_while_playing); tcase_add_test (tc_chain, test_activate_src); tcase_add_test (tc_chain, test_activate_sink_and_src); tcase_add_test (tc_chain, test_activate_src_pull_mode); tcase_add_test (tc_chain, test_activate_sink_switch_mode); tcase_add_test (tc_chain, test_deactivate_already_deactive_with_no_parent); tcase_add_test (tc_chain, test_stress_upstream_queries_while_tearing_down); return s; } GST_CHECK_MAIN (gst_ghost_pad);