mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-19 02:20:20 +00:00
d5ded15889
When adding an element to a bin we need to propagate the GstContext's to/from the element. This moves the GstContext list from GstBin to GstElement and adds convenience functions to get the currently set list of GstContext's. This does not deal with the collection of GstContext's propagated using GST_CONTEXT_QUERY. Element subclasses are advised to call gst_element_set_context if they need to propagate GstContext's received from the context query. https://bugzilla.gnome.org/show_bug.cgi?id=705579
452 lines
13 KiB
C
452 lines
13 KiB
C
/* GStreamer
|
|
* Copyright (C) 2013 Collabora Ltd.
|
|
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
|
|
* Copyright (C) 2013 Sebastian Dröge <slomo@circular-chaos.org>
|
|
*
|
|
* gstcontext.c: Unit test for GstContext
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <gst/check/gstcheck.h>
|
|
|
|
GST_START_TEST (test_basic)
|
|
{
|
|
GstContext *c1, *c2;
|
|
GstStructure *s1;
|
|
const GstStructure *s2;
|
|
|
|
c1 = gst_context_new ("test", FALSE);
|
|
fail_unless (c1 != NULL);
|
|
fail_unless (GST_IS_CONTEXT (c1));
|
|
s1 = gst_context_writable_structure (c1);
|
|
fail_unless (s1 != NULL);
|
|
gst_structure_set (s1, "foobar", G_TYPE_INT, 1, NULL);
|
|
|
|
c2 = gst_context_copy (c1);
|
|
fail_unless (c2 != NULL);
|
|
fail_unless (GST_IS_CONTEXT (c2));
|
|
fail_unless (strcmp (gst_context_get_context_type (c1),
|
|
gst_context_get_context_type (c2)) == 0);
|
|
s2 = gst_context_get_structure (c2);
|
|
fail_unless (s2 != NULL);
|
|
fail_unless (gst_structure_is_equal (s1, s2));
|
|
|
|
gst_context_unref (c1);
|
|
gst_context_unref (c2);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
typedef struct
|
|
{
|
|
GstElement parent;
|
|
gboolean set_before_ready;
|
|
gboolean set_from_need_context;
|
|
gboolean create_self;
|
|
|
|
gboolean have_foobar;
|
|
} GstContextElement;
|
|
|
|
typedef struct
|
|
{
|
|
GstElementClass parent_class;
|
|
} GstContextElementClass;
|
|
|
|
GType gst_context_element_get_type (void);
|
|
|
|
G_DEFINE_TYPE (GstContextElement, gst_context_element, GST_TYPE_ELEMENT);
|
|
|
|
static void
|
|
gst_context_element_set_context (GstElement * element, GstContext * context)
|
|
{
|
|
if (strcmp (gst_context_get_context_type (context), "foobar") == 0)
|
|
((GstContextElement *) element)->have_foobar = TRUE;
|
|
|
|
GST_ELEMENT_CLASS (gst_context_element_parent_class)->set_context (element,
|
|
context);
|
|
}
|
|
|
|
static GstStateChangeReturn
|
|
gst_context_element_change_state (GstElement * element,
|
|
GstStateChange transition)
|
|
{
|
|
GstContextElement *celement = (GstContextElement *) element;
|
|
|
|
if (transition == GST_STATE_CHANGE_NULL_TO_READY) {
|
|
GstContext *context;
|
|
GstMessage *msg;
|
|
gboolean have_foobar = celement->have_foobar;
|
|
|
|
if (celement->set_before_ready && !have_foobar)
|
|
return GST_STATE_CHANGE_FAILURE;
|
|
else if (celement->set_before_ready)
|
|
goto chain_up;
|
|
|
|
if (celement->set_from_need_context && have_foobar)
|
|
return GST_STATE_CHANGE_FAILURE;
|
|
|
|
if (!have_foobar) {
|
|
/* Here we would first query downstream for a context but we have no pads */
|
|
msg = gst_message_new_need_context (GST_OBJECT (element), "foobar");
|
|
gst_element_post_message (element, msg);
|
|
|
|
have_foobar = celement->have_foobar;
|
|
}
|
|
|
|
if (celement->set_from_need_context && !have_foobar)
|
|
return GST_STATE_CHANGE_FAILURE;
|
|
else if (celement->set_from_need_context)
|
|
goto chain_up;
|
|
|
|
if (celement->create_self && have_foobar)
|
|
return GST_STATE_CHANGE_FAILURE;
|
|
|
|
if (!have_foobar) {
|
|
context = gst_context_new ("foobar", FALSE);
|
|
gst_element_set_context (element, context);
|
|
msg =
|
|
gst_message_new_have_context (GST_OBJECT (element),
|
|
gst_context_ref (context));
|
|
gst_element_post_message (element, msg);
|
|
gst_context_unref (context);
|
|
}
|
|
}
|
|
|
|
chain_up:
|
|
return
|
|
GST_ELEMENT_CLASS (gst_context_element_parent_class)->change_state
|
|
(element, transition);
|
|
}
|
|
|
|
static void
|
|
gst_context_element_class_init (GstContextElementClass * klass)
|
|
{
|
|
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
|
|
|
|
gstelement_class->set_context = gst_context_element_set_context;
|
|
gstelement_class->change_state = gst_context_element_change_state;
|
|
}
|
|
|
|
static void
|
|
gst_context_element_init (GstContextElement * self)
|
|
{
|
|
|
|
}
|
|
|
|
GST_START_TEST (test_element_set_before_ready)
|
|
{
|
|
GstBus *bus;
|
|
GstElement *element;
|
|
GstContext *context;
|
|
GstMessage *msg;
|
|
|
|
element = g_object_new (gst_context_element_get_type (), NULL);
|
|
bus = gst_bus_new ();
|
|
gst_element_set_bus (element, bus);
|
|
|
|
((GstContextElement *) element)->set_before_ready = TRUE;
|
|
|
|
fail_if (gst_element_set_state (element,
|
|
GST_STATE_READY) == GST_STATE_CHANGE_SUCCESS);
|
|
fail_if (gst_bus_pop (bus) != NULL);
|
|
|
|
context = gst_context_new ("foobar", FALSE);
|
|
gst_element_set_context (element, context);
|
|
fail_unless (gst_element_set_state (element,
|
|
GST_STATE_READY) == GST_STATE_CHANGE_SUCCESS);
|
|
fail_unless ((msg =
|
|
gst_bus_pop_filtered (bus, GST_MESSAGE_STATE_CHANGED)) != NULL);
|
|
gst_message_unref (msg);
|
|
fail_if (gst_bus_pop (bus) != NULL);
|
|
|
|
fail_unless (((GstContextElement *) element)->have_foobar);
|
|
|
|
gst_context_unref (context);
|
|
|
|
gst_element_set_bus (element, NULL);
|
|
fail_unless (gst_element_set_state (element,
|
|
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS);
|
|
|
|
gst_object_unref (bus);
|
|
gst_object_unref (element);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
static GstBusSyncReply
|
|
sync_handler (GstBus * bus, GstMessage * message, gpointer user_data)
|
|
{
|
|
if (GST_MESSAGE_TYPE (message) == GST_MESSAGE_NEED_CONTEXT) {
|
|
const gchar *type;
|
|
GstElement *element = GST_ELEMENT (GST_MESSAGE_SRC (message));
|
|
GstContext *context;
|
|
|
|
fail_unless (gst_message_parse_context_type (message, &type));
|
|
fail_unless_equals_string (type, "foobar");
|
|
context = gst_context_new ("foobar", FALSE);
|
|
gst_element_set_context (element, context);
|
|
gst_context_unref (context);
|
|
}
|
|
|
|
return GST_BUS_PASS;
|
|
}
|
|
|
|
GST_START_TEST (test_element_set_from_need_context)
|
|
{
|
|
GstBus *bus;
|
|
GstElement *element;
|
|
GstMessage *msg;
|
|
|
|
element = g_object_new (gst_context_element_get_type (), NULL);
|
|
bus = gst_bus_new ();
|
|
gst_bus_set_sync_handler (bus, sync_handler, NULL, NULL);
|
|
gst_element_set_bus (element, bus);
|
|
|
|
((GstContextElement *) element)->set_from_need_context = TRUE;
|
|
|
|
fail_unless (gst_element_set_state (element,
|
|
GST_STATE_READY) == GST_STATE_CHANGE_SUCCESS);
|
|
fail_unless ((msg =
|
|
gst_bus_pop_filtered (bus, GST_MESSAGE_NEED_CONTEXT)) != NULL);
|
|
gst_message_unref (msg);
|
|
fail_unless ((msg =
|
|
gst_bus_pop_filtered (bus, GST_MESSAGE_STATE_CHANGED)) != NULL);
|
|
gst_message_unref (msg);
|
|
fail_if (gst_bus_pop (bus) != NULL);
|
|
|
|
fail_unless (((GstContextElement *) element)->have_foobar);
|
|
|
|
gst_element_set_bus (element, NULL);
|
|
fail_unless (gst_element_set_state (element,
|
|
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS);
|
|
|
|
gst_object_unref (bus);
|
|
gst_object_unref (element);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_element_create_self)
|
|
{
|
|
GstBus *bus;
|
|
GstElement *element;
|
|
GstContext *context;
|
|
GstMessage *msg;
|
|
|
|
element = g_object_new (gst_context_element_get_type (), NULL);
|
|
bus = gst_bus_new ();
|
|
gst_element_set_bus (element, bus);
|
|
|
|
((GstContextElement *) element)->create_self = TRUE;
|
|
|
|
fail_unless (gst_element_set_state (element,
|
|
GST_STATE_READY) == GST_STATE_CHANGE_SUCCESS);
|
|
fail_unless ((msg =
|
|
gst_bus_pop_filtered (bus, GST_MESSAGE_NEED_CONTEXT)) != NULL);
|
|
gst_message_unref (msg);
|
|
fail_unless ((msg =
|
|
gst_bus_pop_filtered (bus, GST_MESSAGE_HAVE_CONTEXT)) != NULL);
|
|
gst_message_parse_have_context (msg, &context);
|
|
fail_unless (GST_IS_CONTEXT (context));
|
|
fail_unless_equals_string (gst_context_get_context_type (context), "foobar");
|
|
gst_context_unref (context);
|
|
gst_message_unref (msg);
|
|
fail_unless ((msg =
|
|
gst_bus_pop_filtered (bus, GST_MESSAGE_STATE_CHANGED)) != NULL);
|
|
gst_message_unref (msg);
|
|
fail_if (gst_bus_pop (bus) != NULL);
|
|
|
|
fail_unless (((GstContextElement *) element)->have_foobar);
|
|
|
|
gst_element_set_bus (element, NULL);
|
|
fail_unless (gst_element_set_state (element,
|
|
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS);
|
|
|
|
gst_object_unref (bus);
|
|
gst_object_unref (element);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_element_bin_caching)
|
|
{
|
|
GstBus *bus;
|
|
GstElement *bin;
|
|
GstElement *element, *element2;
|
|
|
|
bin = gst_bin_new (NULL);
|
|
element = g_object_new (gst_context_element_get_type (), NULL);
|
|
element2 = g_object_new (gst_context_element_get_type (), NULL);
|
|
gst_bin_add_many (GST_BIN (bin), element, element2, NULL);
|
|
|
|
/* FIXME: This assumes (as currently is true) the GstBin activates
|
|
* the last added element first if none of them is a sink or has pads
|
|
*/
|
|
((GstContextElement *) element2)->create_self = TRUE;
|
|
((GstContextElement *) element)->set_from_need_context = TRUE;
|
|
|
|
bus = gst_bus_new ();
|
|
gst_element_set_bus (bin, bus);
|
|
|
|
fail_unless (gst_element_set_state (bin,
|
|
GST_STATE_READY) == GST_STATE_CHANGE_SUCCESS);
|
|
|
|
fail_unless (((GstContextElement *) element)->have_foobar);
|
|
fail_unless (((GstContextElement *) element2)->have_foobar);
|
|
|
|
gst_element_set_bus (bin, NULL);
|
|
fail_unless (gst_element_set_state (bin,
|
|
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS);
|
|
|
|
gst_object_unref (bus);
|
|
gst_object_unref (bin);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_add_element_to_bin)
|
|
{
|
|
GstBus *bus;
|
|
GstElement *bin;
|
|
GstElement *element;
|
|
GList *contexts, *contexts2, *l;
|
|
|
|
/* Start with an element not inside a bin requesting a context. Add the
|
|
* element to a bin and check the context propagation. */
|
|
element = g_object_new (gst_context_element_get_type (), NULL);
|
|
|
|
((GstContextElement *) element)->create_self = TRUE;
|
|
|
|
fail_unless (gst_element_set_state (element,
|
|
GST_STATE_READY) == GST_STATE_CHANGE_SUCCESS);
|
|
|
|
fail_unless (((GstContextElement *) element)->have_foobar);
|
|
|
|
bin = gst_bin_new (NULL);
|
|
|
|
bus = gst_bus_new ();
|
|
gst_element_set_bus (bin, bus);
|
|
|
|
fail_unless (gst_element_set_state (bin,
|
|
GST_STATE_READY) == GST_STATE_CHANGE_SUCCESS);
|
|
|
|
gst_bin_add (GST_BIN (bin), element);
|
|
|
|
/* check the contexts are the same */
|
|
contexts = gst_element_get_contexts (element);
|
|
contexts2 = gst_element_get_contexts (bin);
|
|
for (l = contexts; l; l = l->next)
|
|
fail_unless (g_list_find (contexts2, l->data));
|
|
g_list_free_full (contexts, (GDestroyNotify) gst_context_unref);
|
|
g_list_free_full (contexts2, (GDestroyNotify) gst_context_unref);
|
|
|
|
gst_element_set_bus (bin, NULL);
|
|
fail_unless (gst_element_set_state (bin,
|
|
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS);
|
|
|
|
gst_object_unref (bus);
|
|
gst_object_unref (bin);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_add_element_to_bin_collision)
|
|
{
|
|
GstBus *bus;
|
|
GstElement *bin;
|
|
GstElement *element, *element2;
|
|
GList *contexts, *contexts2, *l;
|
|
|
|
/* Start with a bin containing an element that requests a context and then add
|
|
* another element to the bin that has already requested the same context. */
|
|
|
|
bin = gst_bin_new (NULL);
|
|
element = g_object_new (gst_context_element_get_type (), NULL);
|
|
gst_bin_add (GST_BIN (bin), element);
|
|
|
|
((GstContextElement *) element)->create_self = TRUE;
|
|
|
|
bus = gst_bus_new ();
|
|
gst_element_set_bus (bin, bus);
|
|
|
|
fail_unless (gst_element_set_state (bin,
|
|
GST_STATE_READY) == GST_STATE_CHANGE_SUCCESS);
|
|
|
|
fail_unless (((GstContextElement *) element)->have_foobar);
|
|
|
|
/* propagate a context without a parent bin */
|
|
element2 = g_object_new (gst_context_element_get_type (), NULL);
|
|
((GstContextElement *) element2)->create_self = TRUE;
|
|
|
|
fail_unless (gst_element_set_state (element2,
|
|
GST_STATE_READY) == GST_STATE_CHANGE_SUCCESS);
|
|
|
|
fail_unless (((GstContextElement *) element2)->have_foobar);
|
|
|
|
((GstContextElement *) element)->have_foobar = FALSE;
|
|
((GstContextElement *) element2)->have_foobar = FALSE;
|
|
|
|
/* add element to bin should result in the propagation of contexts to the
|
|
* added element */
|
|
gst_bin_add (GST_BIN (bin), element2);
|
|
|
|
fail_unless (((GstContextElement *) element)->have_foobar == FALSE);
|
|
fail_unless (((GstContextElement *) element2)->have_foobar);
|
|
|
|
/* check the contexts are the same */
|
|
contexts = gst_element_get_contexts (element);
|
|
contexts2 = gst_element_get_contexts (element2);
|
|
for (l = contexts; l; l = l->next)
|
|
fail_unless (g_list_find (contexts2, l->data));
|
|
g_list_free_full (contexts, (GDestroyNotify) gst_context_unref);
|
|
contexts = gst_element_get_contexts (bin);
|
|
for (l = contexts; l; l = l->next)
|
|
fail_unless (g_list_find (contexts2, l->data));
|
|
g_list_free_full (contexts, (GDestroyNotify) gst_context_unref);
|
|
g_list_free_full (contexts2, (GDestroyNotify) gst_context_unref);
|
|
|
|
gst_element_set_bus (bin, NULL);
|
|
fail_unless (gst_element_set_state (bin,
|
|
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS);
|
|
|
|
gst_object_unref (bus);
|
|
gst_object_unref (bin);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
static Suite *
|
|
gst_context_suite (void)
|
|
{
|
|
Suite *s = suite_create ("GstContext");
|
|
TCase *tc_chain = tcase_create ("context tests");
|
|
|
|
tcase_set_timeout (tc_chain, 0);
|
|
|
|
suite_add_tcase (s, tc_chain);
|
|
tcase_add_test (tc_chain, test_basic);
|
|
tcase_add_test (tc_chain, test_element_set_before_ready);
|
|
tcase_add_test (tc_chain, test_element_set_from_need_context);
|
|
tcase_add_test (tc_chain, test_element_create_self);
|
|
tcase_add_test (tc_chain, test_element_bin_caching);
|
|
tcase_add_test (tc_chain, test_add_element_to_bin);
|
|
tcase_add_test (tc_chain, test_add_element_to_bin_collision);
|
|
|
|
return s;
|
|
}
|
|
|
|
GST_CHECK_MAIN (gst_context);
|