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check/gst/gstghostpad.c: Added test for removing an element with ghostpad from a bin.
Original commit message from CVS: * check/gst/gstghostpad.c: (GST_START_TEST), (gst_ghost_pad_suite): Added test for removing an element with ghostpad from a bin. Fixed test as current implementation does the right thing. * gst/gstghostpad.c: (gst_proxy_pad_class_init), (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_activate), (gst_proxy_pad_do_activatepull), (gst_proxy_pad_do_activatepush), (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), (gst_proxy_pad_get_target), (gst_proxy_pad_init), (gst_proxy_pad_dispose), (gst_proxy_pad_finalize), (gst_ghost_pad_class_init), (gst_ghost_pad_do_activate_push), (gst_ghost_pad_do_link), (gst_ghost_pad_do_unlink), (gst_ghost_pad_set_internal), (gst_ghost_pad_dispose), (gst_ghost_pad_new_notarget), (gst_ghost_pad_new), (gst_ghost_pad_get_target), (gst_ghost_pad_set_target): * gst/gstghostpad.h: Clean up ghostpads, remove properties for internal stuff. Make threadsafe. Fix refcounting. Prepare for switching targets, not all use cases work yet.
This commit is contained in:
Wim Taymans
parent
49de56dd1f
commit
afbe734024
5 changed files with 412 additions and 244 deletions
28
ChangeLog
28
ChangeLog
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@ -1,3 +1,31 @@
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2005-07-29 Wim Taymans <wim@fluendo.com>
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* check/gst/gstghostpad.c: (GST_START_TEST), (gst_ghost_pad_suite):
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Added test for removing an element with ghostpad from a bin.
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Fixed test as current implementation does the right thing.
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* gst/gstghostpad.c: (gst_proxy_pad_class_init),
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(gst_proxy_pad_do_query_type), (gst_proxy_pad_do_event),
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(gst_proxy_pad_do_query), (gst_proxy_pad_do_internal_link),
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(gst_proxy_pad_do_bufferalloc), (gst_proxy_pad_do_activate),
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(gst_proxy_pad_do_activatepull), (gst_proxy_pad_do_activatepush),
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(gst_proxy_pad_do_chain), (gst_proxy_pad_do_getrange),
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(gst_proxy_pad_do_checkgetrange), (gst_proxy_pad_do_getcaps),
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(gst_proxy_pad_do_acceptcaps), (gst_proxy_pad_do_fixatecaps),
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(gst_proxy_pad_do_setcaps), (gst_proxy_pad_set_target),
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(gst_proxy_pad_get_target), (gst_proxy_pad_init),
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(gst_proxy_pad_dispose), (gst_proxy_pad_finalize),
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(gst_ghost_pad_class_init), (gst_ghost_pad_do_activate_push),
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(gst_ghost_pad_do_link), (gst_ghost_pad_do_unlink),
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(gst_ghost_pad_set_internal), (gst_ghost_pad_dispose),
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(gst_ghost_pad_new_notarget), (gst_ghost_pad_new),
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(gst_ghost_pad_get_target), (gst_ghost_pad_set_target):
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* gst/gstghostpad.h:
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Clean up ghostpads, remove properties for internal stuff.
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Make threadsafe.
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Fix refcounting.
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Prepare for switching targets, not all use cases work yet.
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2005-07-29 Wim Taymans <wim@fluendo.com>
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* docs/design/part-gstghostpad.txt:
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@ -70,6 +70,46 @@ GST_START_TEST (test_remove1)
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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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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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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 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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}
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GST_END_TEST;
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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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@ -186,23 +226,16 @@ GST_START_TEST (test_ghost_pads)
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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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/* FIXME: ghost pads need to drop their internal pad in the unlink function,
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* but can't right now. So internal pads have a ref from their parent, and the
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* internal pads' targets have refs from the internals. When we do the last
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* unref on the ghost pads, these refs should go away.
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*/
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assert_gstrefcount (fsrc, 2); /* gisrc */
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assert_gstrefcount (gsink, 1);
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assert_gstrefcount (gsrc, 1);
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assert_gstrefcount (fsink, 2); /* gisink */
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assert_gstrefcount (gisrc, 2); /* gsink -- fixme drop ref in unlink */
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assert_gstrefcount (gisrc, 1); /* gsink */
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assert_gstrefcount (isink, 2); /* gsink */
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assert_gstrefcount (gisink, 2); /* gsrc -- fixme drop ref in unlink */
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assert_gstrefcount (gisink, 1); /* gsrc */
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assert_gstrefcount (isrc, 2); /* gsrc */
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/* while the fixme isn't fixed, check cleanup */
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gst_object_unref (gsink);
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assert_gstrefcount (isink, 1);
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assert_gstrefcount (gisrc, 1);
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@ -216,6 +249,11 @@ GST_START_TEST (test_ghost_pads)
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assert_gstrefcount (fsink, 2); /* gisrc */
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gst_object_unref (gisink);
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assert_gstrefcount (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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@ -228,6 +266,7 @@ gst_ghost_pad_suite (void)
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suite_add_tcase (s, tc_chain);
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tcase_add_test (tc_chain, test_remove1);
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tcase_add_test (tc_chain, test_remove2);
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tcase_add_test (tc_chain, test_link);
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tcase_add_test (tc_chain, test_ghost_pads);
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@ -37,21 +37,18 @@
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typedef struct _GstProxyPad GstProxyPad;
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typedef struct _GstProxyPadClass GstProxyPadClass;
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enum
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{
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PROXY_PROP_0,
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PROXY_PROP_TARGET
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};
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#define GST_PROXY_GET_LOCK(pad) (GST_PROXY_PAD (pad)->proxy_lock)
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#define GST_PROXY_LOCK(pad) (g_mutex_lock (GST_PROXY_GET_LOCK (pad)))
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#define GST_PROXY_UNLOCK(pad) (g_mutex_unlock (GST_PROXY_GET_LOCK (pad)))
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struct _GstProxyPad
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{
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GstPad pad;
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/* with PROXY_LOCK */
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GMutex *proxy_lock;
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GstPad *target;
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GMutex *property_lock;
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/*< private > */
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gpointer _gst_reserved[1];
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};
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@ -67,12 +64,9 @@ struct _GstProxyPadClass
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G_DEFINE_TYPE (GstProxyPad, gst_proxy_pad, GST_TYPE_PAD);
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static GstPad *gst_proxy_pad_get_target (GstPad * pad);
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static void gst_proxy_pad_dispose (GObject * object);
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static void gst_proxy_pad_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_proxy_pad_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void gst_proxy_pad_finalize (GObject * object);
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#ifndef GST_DISABLE_LOADSAVE
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@ -88,12 +82,6 @@ gst_proxy_pad_class_init (GstProxyPadClass * klass)
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gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_proxy_pad_dispose);
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gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_proxy_pad_finalize);
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gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_proxy_pad_set_property);
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gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_proxy_pad_get_property);
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROXY_PROP_TARGET,
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g_param_spec_object ("target", "Target", "The proxy pad's target",
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GST_TYPE_PAD, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
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#ifndef GST_DISABLE_LOADSAVE
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{
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@ -108,41 +96,57 @@ gst_proxy_pad_class_init (GstProxyPadClass * klass)
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const GstQueryType *
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gst_proxy_pad_do_query_type (GstPad * pad)
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{
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GstPad *target = GST_PROXY_PAD_TARGET (pad);
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GstPad *target = gst_proxy_pad_get_target (pad);
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const GstQueryType *res;
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g_return_val_if_fail (target != NULL, NULL);
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return gst_pad_get_query_types (target);
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res = gst_pad_get_query_types (target);
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gst_object_unref (target);
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return res;
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}
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static gboolean
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gst_proxy_pad_do_event (GstPad * pad, GstEvent * event)
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{
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GstPad *target = GST_PROXY_PAD_TARGET (pad);
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gboolean res;
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GstPad *target = gst_proxy_pad_get_target (pad);
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g_return_val_if_fail (target != NULL, FALSE);
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return gst_pad_send_event (target, event);
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res = gst_pad_send_event (target, event);
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gst_object_unref (target);
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return res;
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}
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static gboolean
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gst_proxy_pad_do_query (GstPad * pad, GstQuery * query)
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{
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GstPad *target = GST_PROXY_PAD_TARGET (pad);
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gboolean res;
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GstPad *target = gst_proxy_pad_get_target (pad);
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g_return_val_if_fail (target != NULL, FALSE);
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return gst_pad_query (target, query);
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res = gst_pad_query (target, query);
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gst_object_unref (target);
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return res;
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}
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static GList *
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gst_proxy_pad_do_internal_link (GstPad * pad)
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{
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GstPad *target = GST_PROXY_PAD_TARGET (pad);
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GstPad *target = gst_proxy_pad_get_target (pad);
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GList *res;
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g_return_val_if_fail (target != NULL, NULL);
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return gst_pad_get_internal_links (target);
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res = gst_pad_get_internal_links (target);
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gst_object_unref (target);
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return res;
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}
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static GstFlowReturn
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@ -150,7 +154,7 @@ gst_proxy_pad_do_bufferalloc (GstPad * pad, guint64 offset, guint size,
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GstCaps * caps, GstBuffer ** buf)
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{
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GstFlowReturn result;
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GstPad *target = GST_PROXY_PAD_TARGET (pad);
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GstPad *target = gst_proxy_pad_get_target (pad);
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GstPad *peer;
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g_return_val_if_fail (target != NULL, GST_FLOW_NOT_LINKED);
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@ -166,24 +170,27 @@ gst_proxy_pad_do_bufferalloc (GstPad * pad, guint64 offset, guint size,
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result = GST_FLOW_NOT_LINKED;
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}
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gst_object_unref (target);
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return result;
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}
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static gboolean
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gst_proxy_pad_do_activate (GstPad * pad)
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{
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GstPad *target = GST_PROXY_PAD_TARGET (pad);
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gboolean res;
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g_return_val_if_fail (target != NULL, FALSE);
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res = gst_pad_activate_push (pad, TRUE);
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return gst_pad_activate_push (pad, TRUE);
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return res;
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}
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static gboolean
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gst_proxy_pad_do_activatepull (GstPad * pad, gboolean active)
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{
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GstActivateMode old;
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GstPad *target = GST_PROXY_PAD_TARGET (pad);
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GstPad *target = gst_proxy_pad_get_target (pad);
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gboolean res;
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g_return_val_if_fail (target != NULL, FALSE);
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@ -193,16 +200,20 @@ gst_proxy_pad_do_activatepull (GstPad * pad, gboolean active)
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if ((active && old == GST_ACTIVATE_PULL)
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|| (!active && old == GST_ACTIVATE_NONE))
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return TRUE;
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res = TRUE;
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else
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return gst_pad_activate_pull (target, active);
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res = gst_pad_activate_pull (target, active);
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gst_object_unref (target);
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return res;
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}
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static gboolean
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gst_proxy_pad_do_activatepush (GstPad * pad, gboolean active)
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{
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GstActivateMode old;
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GstPad *target = GST_PROXY_PAD_TARGET (pad);
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GstPad *target = gst_proxy_pad_get_target (pad);
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gboolean res;
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g_return_val_if_fail (target != NULL, FALSE);
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@ -212,40 +223,52 @@ gst_proxy_pad_do_activatepush (GstPad * pad, gboolean active)
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if ((active && old == GST_ACTIVATE_PUSH)
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|| (!active && old == GST_ACTIVATE_NONE))
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return TRUE;
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res = TRUE;
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else
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return gst_pad_activate_push (target, active);
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res = gst_pad_activate_push (target, active);
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gst_object_unref (target);
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return res;
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}
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static GstFlowReturn
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gst_proxy_pad_do_chain (GstPad * pad, GstBuffer * buffer)
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{
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GstPad *target = GST_PROXY_PAD_TARGET (pad);
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GstPad *target = gst_proxy_pad_get_target (pad);
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GstFlowReturn res;
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g_return_val_if_fail (target != NULL, GST_FLOW_NOT_LINKED);
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return gst_pad_chain (target, buffer);
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res = gst_pad_chain (target, buffer);
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gst_object_unref (target);
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return res;
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}
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static GstFlowReturn
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gst_proxy_pad_do_getrange (GstPad * pad, guint64 offset, guint size,
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GstBuffer ** buffer)
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{
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GstPad *target = GST_PROXY_PAD_TARGET (pad);
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GstPad *target = gst_proxy_pad_get_target (pad);
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GstFlowReturn res;
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g_return_val_if_fail (target != NULL, GST_FLOW_NOT_LINKED);
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return gst_pad_get_range (target, offset, size, buffer);
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res = gst_pad_get_range (target, offset, size, buffer);
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gst_object_unref (target);
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return res;
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}
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static gboolean
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gst_proxy_pad_do_checkgetrange (GstPad * pad)
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{
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gboolean result;
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GstPad *target = GST_PROXY_PAD_TARGET (pad);
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GstPad *target = gst_proxy_pad_get_target (pad);
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GstPad *peer;
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g_return_val_if_fail (target != NULL, FALSE);
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peer = gst_pad_get_peer (target);
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if (peer) {
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result = gst_pad_check_pull_range (peer);
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@ -253,115 +276,126 @@ gst_proxy_pad_do_checkgetrange (GstPad * pad)
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} else {
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result = FALSE;
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}
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gst_object_unref (target);
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return result;
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}
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static GstCaps *
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gst_proxy_pad_do_getcaps (GstPad * pad)
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{
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GstPad *target = GST_PROXY_PAD_TARGET (pad);
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GstPad *target = gst_proxy_pad_get_target (pad);
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GstCaps *res;
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g_return_val_if_fail (target != NULL, NULL);
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return gst_pad_get_caps (target);
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res = gst_pad_get_caps (target);
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gst_object_unref (target);
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return res;
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}
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static gboolean
|
||||
gst_proxy_pad_do_acceptcaps (GstPad * pad, GstCaps * caps)
|
||||
{
|
||||
GstPad *target = GST_PROXY_PAD_TARGET (pad);
|
||||
GstPad *target = gst_proxy_pad_get_target (pad);
|
||||
gboolean res;
|
||||
|
||||
g_return_val_if_fail (target != NULL, FALSE);
|
||||
|
||||
return gst_pad_accept_caps (target, caps);
|
||||
res = gst_pad_accept_caps (target, caps);
|
||||
gst_object_unref (target);
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_proxy_pad_do_fixatecaps (GstPad * pad, GstCaps * caps)
|
||||
{
|
||||
GstPad *target = GST_PROXY_PAD_TARGET (pad);
|
||||
GstPad *target = gst_proxy_pad_get_target (pad);
|
||||
|
||||
g_return_if_fail (target != NULL);
|
||||
|
||||
gst_pad_fixate_caps (target, caps);
|
||||
gst_object_unref (target);
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_proxy_pad_do_setcaps (GstPad * pad, GstCaps * caps)
|
||||
{
|
||||
GstPad *target = GST_PROXY_PAD_TARGET (pad);
|
||||
GstPad *target = gst_proxy_pad_get_target (pad);
|
||||
gboolean res;
|
||||
|
||||
g_return_val_if_fail (target != NULL, FALSE);
|
||||
|
||||
return gst_pad_set_caps (target, caps);
|
||||
res = gst_pad_set_caps (target, caps);
|
||||
gst_object_unref (target);
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
#define SETFUNC(member, kind) \
|
||||
if (target->member) \
|
||||
gst_pad_set_##kind##_function (pad, gst_proxy_pad_do_##kind)
|
||||
|
||||
static void
|
||||
gst_proxy_pad_set_property (GObject * object, guint prop_id,
|
||||
const GValue * value, GParamSpec * pspec)
|
||||
static gboolean
|
||||
gst_proxy_pad_set_target (GstPad * pad, GstPad * target)
|
||||
{
|
||||
GstPad *pad = GST_PAD (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case PROXY_PROP_TARGET:{
|
||||
GstPad *target;
|
||||
|
||||
target = GST_PAD_CAST (gst_object_ref
|
||||
(GST_OBJECT_CAST (g_value_get_object (value))));
|
||||
GST_PROXY_PAD_TARGET (object) = target;
|
||||
|
||||
/* really, all these should have default implementations so I can set them
|
||||
* in the _init() instead of here */
|
||||
SETFUNC (querytypefunc, query_type);
|
||||
SETFUNC (eventfunc, event);
|
||||
SETFUNC (queryfunc, query);
|
||||
SETFUNC (intlinkfunc, internal_link);
|
||||
SETFUNC (activatefunc, activate);
|
||||
SETFUNC (activatepullfunc, activatepull);
|
||||
SETFUNC (activatepushfunc, activatepush);
|
||||
SETFUNC (getcapsfunc, getcaps);
|
||||
SETFUNC (acceptcapsfunc, acceptcaps);
|
||||
SETFUNC (fixatecapsfunc, fixatecaps);
|
||||
SETFUNC (setcapsfunc, setcaps);
|
||||
|
||||
if (GST_PAD_DIRECTION (pad) == GST_PAD_SINK) {
|
||||
SETFUNC (bufferallocfunc, bufferalloc);
|
||||
SETFUNC (chainfunc, chain);
|
||||
} else {
|
||||
SETFUNC (getrangefunc, getrange);
|
||||
SETFUNC (checkgetrangefunc, checkgetrange);
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
GST_PROXY_LOCK (pad);
|
||||
/* clear old target */
|
||||
if (GST_PROXY_PAD_TARGET (pad)) {
|
||||
gst_object_unref (GST_PROXY_PAD_TARGET (pad));
|
||||
GST_PROXY_PAD_TARGET (pad) = NULL;
|
||||
}
|
||||
|
||||
if (target) {
|
||||
/* set and ref new target if any */
|
||||
GST_PROXY_PAD_TARGET (pad) = gst_object_ref (target);
|
||||
|
||||
/* really, all these should have default implementations so I can set them
|
||||
* in the _init() instead of here */
|
||||
SETFUNC (querytypefunc, query_type);
|
||||
SETFUNC (eventfunc, event);
|
||||
SETFUNC (queryfunc, query);
|
||||
SETFUNC (intlinkfunc, internal_link);
|
||||
SETFUNC (activatefunc, activate);
|
||||
SETFUNC (activatepullfunc, activatepull);
|
||||
SETFUNC (activatepushfunc, activatepush);
|
||||
SETFUNC (getcapsfunc, getcaps);
|
||||
SETFUNC (acceptcapsfunc, acceptcaps);
|
||||
SETFUNC (fixatecapsfunc, fixatecaps);
|
||||
SETFUNC (setcapsfunc, setcaps);
|
||||
|
||||
if (GST_PAD_DIRECTION (pad) == GST_PAD_SINK) {
|
||||
SETFUNC (bufferallocfunc, bufferalloc);
|
||||
SETFUNC (chainfunc, chain);
|
||||
} else {
|
||||
SETFUNC (getrangefunc, getrange);
|
||||
SETFUNC (checkgetrangefunc, checkgetrange);
|
||||
}
|
||||
}
|
||||
GST_PROXY_UNLOCK (pad);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_proxy_pad_get_property (GObject * object, guint prop_id,
|
||||
GValue * value, GParamSpec * pspec)
|
||||
static GstPad *
|
||||
gst_proxy_pad_get_target (GstPad * pad)
|
||||
{
|
||||
switch (prop_id) {
|
||||
case PROXY_PROP_TARGET:
|
||||
g_value_set_object (value, GST_PROXY_PAD_TARGET (object));
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
GstPad *target;
|
||||
|
||||
GST_PROXY_LOCK (pad);
|
||||
target = GST_PROXY_PAD_TARGET (pad);
|
||||
gst_object_ref (target);
|
||||
GST_PROXY_UNLOCK (pad);
|
||||
|
||||
return target;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_proxy_pad_init (GstProxyPad * pad)
|
||||
{
|
||||
pad->property_lock = g_mutex_new ();
|
||||
pad->proxy_lock = g_mutex_new ();
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -369,9 +403,9 @@ gst_proxy_pad_dispose (GObject * object)
|
|||
{
|
||||
GstPad *pad = GST_PAD (object);
|
||||
|
||||
if (GST_PROXY_PAD_TARGET (pad)) {
|
||||
gst_object_replace ((GstObject **) & GST_PROXY_PAD_TARGET (pad), NULL);
|
||||
}
|
||||
GST_PROXY_LOCK (pad);
|
||||
gst_object_replace ((GstObject **) & GST_PROXY_PAD_TARGET (pad), NULL);
|
||||
GST_PROXY_UNLOCK (pad);
|
||||
|
||||
G_OBJECT_CLASS (gst_proxy_pad_parent_class)->dispose (object);
|
||||
}
|
||||
|
|
@ -381,8 +415,8 @@ gst_proxy_pad_finalize (GObject * object)
|
|||
{
|
||||
GstProxyPad *pad = GST_PROXY_PAD (object);
|
||||
|
||||
g_mutex_free (pad->property_lock);
|
||||
pad->property_lock = NULL;
|
||||
g_mutex_free (pad->proxy_lock);
|
||||
pad->proxy_lock = NULL;
|
||||
|
||||
G_OBJECT_CLASS (gst_proxy_pad_parent_class)->finalize (object);
|
||||
}
|
||||
|
|
@ -422,16 +456,11 @@ gst_proxy_pad_save_thyself (GstObject * object, xmlNodePtr parent)
|
|||
*/
|
||||
|
||||
|
||||
enum
|
||||
{
|
||||
GHOST_PROP_0,
|
||||
GHOST_PROP_INTERNAL
|
||||
};
|
||||
|
||||
struct _GstGhostPad
|
||||
{
|
||||
GstProxyPad pad;
|
||||
|
||||
/* with PROXY_LOCK */
|
||||
GstPad *internal;
|
||||
gulong notify_id;
|
||||
|
||||
|
|
@ -450,13 +479,10 @@ struct _GstGhostPadClass
|
|||
|
||||
G_DEFINE_TYPE (GstGhostPad, gst_ghost_pad, GST_TYPE_PROXY_PAD);
|
||||
|
||||
static gboolean gst_ghost_pad_set_internal (GstGhostPad * pad,
|
||||
GstPad * internal);
|
||||
|
||||
static void gst_ghost_pad_dispose (GObject * object);
|
||||
static void gst_ghost_pad_set_property (GObject * object, guint prop_id,
|
||||
const GValue * value, GParamSpec * pspec);
|
||||
static void gst_ghost_pad_get_property (GObject * object, guint prop_id,
|
||||
GValue * value, GParamSpec * pspec);
|
||||
|
||||
|
||||
/* Work around g_logv's use of G_GNUC_PRINTF because gcc chokes on %P, which we
|
||||
* use for GST_PTR_FORMAT. */
|
||||
|
|
@ -476,12 +502,6 @@ gst_ghost_pad_class_init (GstGhostPadClass * klass)
|
|||
GObjectClass *gobject_class = (GObjectClass *) klass;
|
||||
|
||||
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_ghost_pad_dispose);
|
||||
gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_ghost_pad_set_property);
|
||||
gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_ghost_pad_get_property);
|
||||
|
||||
g_object_class_install_property (G_OBJECT_CLASS (klass), GHOST_PROP_INTERNAL,
|
||||
g_param_spec_object ("internal", "Internal",
|
||||
"The ghost pad's internal pad", GST_TYPE_PAD, G_PARAM_READWRITE));
|
||||
}
|
||||
|
||||
/* will only be called for src pads (afaict) */
|
||||
|
|
@ -511,10 +531,10 @@ gst_ghost_pad_do_activate_push (GstPad * pad, gboolean active)
|
|||
|
||||
ret = gst_proxy_pad_do_activatepush (pad, active);
|
||||
|
||||
GST_LOCK (pad);
|
||||
GST_PROXY_LOCK (pad);
|
||||
if ((internal = GST_GHOST_PAD (pad)->internal))
|
||||
gst_object_ref (internal);
|
||||
GST_UNLOCK (pad);
|
||||
GST_PROXY_UNLOCK (pad);
|
||||
|
||||
if (internal) {
|
||||
ret &= gst_pad_activate_push (internal, active);
|
||||
|
|
@ -528,41 +548,49 @@ static GstPadLinkReturn
|
|||
gst_ghost_pad_do_link (GstPad * pad, GstPad * peer)
|
||||
{
|
||||
GstPad *internal, *target;
|
||||
GstPadLinkReturn ret;
|
||||
|
||||
target = gst_proxy_pad_get_target (pad);
|
||||
|
||||
target = GST_PROXY_PAD_TARGET (pad);
|
||||
g_return_val_if_fail (target != NULL, GST_PAD_LINK_NOSCHED);
|
||||
|
||||
/* proxy the peer into the bin */
|
||||
internal = g_object_new (GST_TYPE_PROXY_PAD,
|
||||
"name", NULL,
|
||||
"direction", GST_PAD_DIRECTION (peer),
|
||||
"template", GST_PAD_PAD_TEMPLATE (peer), "target", peer, NULL);
|
||||
g_object_set (pad, "internal", internal, NULL);
|
||||
"template", GST_PAD_PAD_TEMPLATE (peer), NULL);
|
||||
|
||||
if ((GST_PAD_IS_SRC (internal) &&
|
||||
gst_pad_link (internal, target) == GST_PAD_LINK_OK) ||
|
||||
(GST_PAD_IS_SINK (internal) &&
|
||||
(gst_pad_link (target, internal) == GST_PAD_LINK_OK))) {
|
||||
gst_proxy_pad_set_target (internal, peer);
|
||||
gst_ghost_pad_set_internal (GST_GHOST_PAD (pad), internal);
|
||||
|
||||
if (GST_PAD_IS_SRC (internal))
|
||||
ret = gst_pad_link (internal, target);
|
||||
else
|
||||
ret = gst_pad_link (target, internal);
|
||||
|
||||
gst_object_unref (target);
|
||||
|
||||
if (ret == GST_PAD_LINK_OK)
|
||||
gst_pad_set_active (internal, GST_PAD_ACTIVATE_MODE (pad));
|
||||
return GST_PAD_LINK_OK;
|
||||
} else {
|
||||
g_object_set (pad, "internal", NULL, NULL);
|
||||
return GST_PAD_LINK_REFUSED;
|
||||
}
|
||||
else
|
||||
gst_ghost_pad_set_internal (GST_GHOST_PAD (pad), NULL);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_ghost_pad_do_unlink (GstPad * pad)
|
||||
{
|
||||
GstPad *target = GST_PROXY_PAD_TARGET (pad);
|
||||
GstPad *target = gst_proxy_pad_get_target (pad);
|
||||
|
||||
g_return_if_fail (target != NULL);
|
||||
|
||||
if (target->unlinkfunc)
|
||||
target->unlinkfunc (target);
|
||||
|
||||
/* FIXME: should do this here, but locks in deep_notify prevent it */
|
||||
/* g_object_set (pad, "internal", NULL, NULL); */
|
||||
gst_ghost_pad_set_internal (GST_GHOST_PAD (pad), NULL);
|
||||
|
||||
gst_object_unref (target);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -581,84 +609,57 @@ on_int_notify (GstPad * internal, GParamSpec * unused, GstGhostPad * pad)
|
|||
gst_caps_unref (caps);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_ghost_pad_set_property (GObject * object, guint prop_id,
|
||||
const GValue * value, GParamSpec * pspec)
|
||||
static gboolean
|
||||
gst_ghost_pad_set_internal (GstGhostPad * pad, GstPad * internal)
|
||||
{
|
||||
GstGhostPad *pad = GST_GHOST_PAD (object);
|
||||
GST_PROXY_LOCK (pad);
|
||||
/* first remove old internal pad */
|
||||
if (pad->internal) {
|
||||
GstPad *intpeer;
|
||||
|
||||
switch (prop_id) {
|
||||
case GHOST_PROP_INTERNAL:{
|
||||
GstPad *internal;
|
||||
gst_pad_set_activatepull_function (pad->internal, NULL);
|
||||
|
||||
g_mutex_lock (GST_PROXY_PAD (pad)->property_lock);
|
||||
g_signal_handler_disconnect (pad->internal, pad->notify_id);
|
||||
|
||||
if (pad->internal) {
|
||||
GstPad *intpeer;
|
||||
|
||||
gst_pad_set_activatepull_function (pad->internal, NULL);
|
||||
|
||||
g_signal_handler_disconnect (pad->internal, pad->notify_id);
|
||||
|
||||
intpeer = gst_pad_get_peer (pad->internal);
|
||||
if (intpeer) {
|
||||
if (GST_PAD_IS_SRC (pad->internal)) {
|
||||
gst_pad_unlink (pad->internal, intpeer);
|
||||
} else {
|
||||
gst_pad_unlink (intpeer, pad->internal);
|
||||
}
|
||||
gst_object_unref (intpeer);
|
||||
}
|
||||
|
||||
/* should dispose it */
|
||||
gst_object_unparent (GST_OBJECT_CAST (pad->internal));
|
||||
}
|
||||
|
||||
internal = g_value_get_object (value); /* no extra refcount... */
|
||||
|
||||
if (internal) {
|
||||
if (!gst_object_set_parent (GST_OBJECT_CAST (internal),
|
||||
GST_OBJECT_CAST (pad))) {
|
||||
gst_critical ("Could not set internal pad %" GST_PTR_FORMAT,
|
||||
internal);
|
||||
g_mutex_unlock (GST_PROXY_PAD (pad)->property_lock);
|
||||
return;
|
||||
}
|
||||
|
||||
/* could be more general here, iterating over all writable properties...
|
||||
* taking the short road for now tho */
|
||||
pad->notify_id = g_signal_connect (internal, "notify::caps",
|
||||
G_CALLBACK (on_int_notify), pad);
|
||||
on_int_notify (internal, NULL, pad);
|
||||
gst_pad_set_activatepull_function (internal,
|
||||
gst_ghost_proxy_pad_do_activate_pull);
|
||||
|
||||
/* a ref was taken by set_parent */
|
||||
}
|
||||
|
||||
pad->internal = internal;
|
||||
|
||||
g_mutex_unlock (GST_PROXY_PAD (pad)->property_lock);
|
||||
|
||||
break;
|
||||
intpeer = gst_pad_get_peer (pad->internal);
|
||||
if (intpeer) {
|
||||
if (GST_PAD_IS_SRC (pad->internal))
|
||||
gst_pad_unlink (pad->internal, intpeer);
|
||||
else
|
||||
gst_pad_unlink (intpeer, pad->internal);
|
||||
gst_object_unref (intpeer);
|
||||
}
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
/* should dispose it */
|
||||
gst_object_unparent (GST_OBJECT_CAST (pad->internal));
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_ghost_pad_get_property (GObject * object, guint prop_id,
|
||||
GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
switch (prop_id) {
|
||||
case GHOST_PROP_INTERNAL:
|
||||
g_value_set_object (value, GST_GHOST_PAD (object)->internal);
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
/* then set new internal pad */
|
||||
if (internal) {
|
||||
if (!gst_object_set_parent (GST_OBJECT_CAST (internal),
|
||||
GST_OBJECT_CAST (pad)))
|
||||
goto could_not_set;
|
||||
|
||||
/* could be more general here, iterating over all writable properties...
|
||||
* taking the short road for now tho */
|
||||
pad->notify_id = g_signal_connect (internal, "notify::caps",
|
||||
G_CALLBACK (on_int_notify), pad);
|
||||
on_int_notify (internal, NULL, pad);
|
||||
gst_pad_set_activatepull_function (internal,
|
||||
gst_ghost_proxy_pad_do_activate_pull);
|
||||
/* a ref was taken by set_parent */
|
||||
}
|
||||
pad->internal = internal;
|
||||
|
||||
GST_PROXY_UNLOCK (pad);
|
||||
|
||||
return TRUE;
|
||||
|
||||
/* ERRORS */
|
||||
could_not_set:
|
||||
{
|
||||
gst_critical ("Could not set internal pad %" GST_PTR_FORMAT, internal);
|
||||
GST_PROXY_UNLOCK (pad);
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -671,16 +672,46 @@ gst_ghost_pad_init (GstGhostPad * pad)
|
|||
static void
|
||||
gst_ghost_pad_dispose (GObject * object)
|
||||
{
|
||||
g_object_set (object, "internal", NULL, NULL);
|
||||
gst_ghost_pad_set_internal (GST_GHOST_PAD (object), NULL);
|
||||
|
||||
G_OBJECT_CLASS (gst_ghost_pad_parent_class)->dispose (object);
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_ghost_pad_new_notarget:
|
||||
* @name: the name of the new pad, or NULL to assign a default name.
|
||||
* @dir: the direction of the ghostpad
|
||||
*
|
||||
* Create a new ghostpad without a target with the given direction.
|
||||
* A target can be set on the ghostpad later with the
|
||||
* #gst_ghost_pad_set_target() function.
|
||||
*
|
||||
* The created ghostpad will not have a padtemplate.
|
||||
*
|
||||
* Returns: a new #GstPad, or NULL in case of an error.
|
||||
*/
|
||||
GstPad *
|
||||
gst_ghost_pad_new_notarget (const gchar * name, GstPadDirection dir)
|
||||
{
|
||||
GstPad *ret;
|
||||
|
||||
ret = g_object_new (GST_TYPE_GHOST_PAD, "name", name, "direction", dir, NULL);
|
||||
|
||||
gst_pad_set_activatepush_function (ret, gst_ghost_pad_do_activate_push);
|
||||
gst_pad_set_link_function (ret, gst_ghost_pad_do_link);
|
||||
gst_pad_set_unlink_function (ret, gst_ghost_pad_do_unlink);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_ghost_pad_new:
|
||||
* @name: the name of the new pad, or NULL to assign a default name.
|
||||
* @target: the pad to ghost.
|
||||
*
|
||||
* Create a new ghostpad with @target as the target. The direction and
|
||||
* padtemplate will be taken from the target pad.
|
||||
*
|
||||
* Will ref the target.
|
||||
*
|
||||
* Returns: a new #GstPad, or NULL in case of an error.
|
||||
|
|
@ -691,16 +722,47 @@ gst_ghost_pad_new (const gchar * name, GstPad * target)
|
|||
GstPad *ret;
|
||||
|
||||
g_return_val_if_fail (GST_IS_PAD (target), NULL);
|
||||
g_return_val_if_fail (!GST_PAD_IS_LINKED (target), NULL);
|
||||
|
||||
ret = g_object_new (GST_TYPE_GHOST_PAD,
|
||||
"name", name,
|
||||
"direction", GST_PAD_DIRECTION (target),
|
||||
"template", GST_PAD_PAD_TEMPLATE (target), "target", target, NULL);
|
||||
|
||||
gst_pad_set_activatepush_function (ret, gst_ghost_pad_do_activate_push);
|
||||
gst_pad_set_link_function (ret, gst_ghost_pad_do_link);
|
||||
gst_pad_set_unlink_function (ret, gst_ghost_pad_do_unlink);
|
||||
g_return_val_if_fail (!gst_pad_is_linked (target), NULL);
|
||||
|
||||
if ((ret = gst_ghost_pad_new_notarget (name, GST_PAD_DIRECTION (target)))) {
|
||||
g_object_set (G_OBJECT (ret),
|
||||
"template", GST_PAD_PAD_TEMPLATE (target), NULL);
|
||||
gst_ghost_pad_set_target (GST_GHOST_PAD (ret), target);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_ghost_pad_get_target:
|
||||
* @gpad: the #GstGhostpad
|
||||
*
|
||||
* Get the target pad of #gpad. Unref after usage.
|
||||
*
|
||||
* Returns: the target #GstPad, can be NULL if the ghostpad
|
||||
* has no target set. Unref after usage.
|
||||
*/
|
||||
GstPad *
|
||||
gst_ghost_pad_get_target (GstGhostPad * gpad)
|
||||
{
|
||||
g_return_val_if_fail (GST_IS_GHOST_PAD (gpad), NULL);
|
||||
|
||||
return gst_proxy_pad_get_target (GST_PAD_CAST (gpad));
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_ghost_pad_set_target:
|
||||
* @gpad: the #GstGhostpad
|
||||
* @newtarget: the new pad target
|
||||
*
|
||||
* Set the new target of the ghostpad @gpad. Any existing target
|
||||
* is unlinked.
|
||||
*
|
||||
* Returns: TRUE if the new target could be set, FALSE otherwise.
|
||||
*/
|
||||
gboolean
|
||||
gst_ghost_pad_set_target (GstGhostPad * gpad, GstPad * newtarget)
|
||||
{
|
||||
g_return_val_if_fail (GST_IS_GHOST_PAD (gpad), FALSE);
|
||||
|
||||
return gst_proxy_pad_set_target (GST_PAD_CAST (gpad), newtarget);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -31,23 +31,23 @@
|
|||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
|
||||
#define GST_TYPE_GHOST_PAD (gst_ghost_pad_get_type ())
|
||||
#define GST_IS_GHOST_PAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GHOST_PAD))
|
||||
#define GST_IS_GHOST_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GHOST_PAD))
|
||||
#define GST_GHOST_PAD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GHOST_PAD, GstGhostPad))
|
||||
#define GST_GHOST_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GHOST_PAD, GstGhostPadClass))
|
||||
|
||||
|
||||
typedef struct _GstGhostPad GstGhostPad;
|
||||
typedef struct _GstGhostPadClass GstGhostPadClass;
|
||||
|
||||
|
||||
GType gst_ghost_pad_get_type (void);
|
||||
GstPad* gst_ghost_pad_new (const gchar *name, GstPad *target);
|
||||
|
||||
GstPad* gst_ghost_pad_new (const gchar *name, GstPad *target);
|
||||
GstPad* gst_ghost_pad_new_notarget (const gchar *name, GstPadDirection dir);
|
||||
|
||||
GstPad* gst_ghost_pad_get_target (GstGhostPad *gpad);
|
||||
gboolean gst_ghost_pad_set_target (GstGhostPad *gpad, GstPad *newtarget);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
|
||||
#endif /* __GST_GHOST_PAD_H__ */
|
||||
|
|
|
|||
|
|
@ -70,6 +70,46 @@ GST_START_TEST (test_remove1)
|
|||
|
||||
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);
|
||||
|
||||
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));
|
||||
|
||||
sinkpad = gst_element_get_pad (sink, "sink");
|
||||
gst_element_add_pad (b2, gst_ghost_pad_new ("sink", sinkpad));
|
||||
gst_object_unref (sinkpad);
|
||||
|
||||
srcpad = gst_element_get_pad (src, "src");
|
||||
/* get the ghostpad */
|
||||
sinkpad = gst_element_get_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 sink from the bin */
|
||||
gst_bin_remove (GST_BIN (b2), sink);
|
||||
|
||||
srcpad = gst_element_get_pad (src, "src");
|
||||
/* pad is still linked to ghostpad */
|
||||
fail_if (!gst_pad_is_linked (srcpad));
|
||||
}
|
||||
|
||||
GST_END_TEST;
|
||||
|
||||
/* test if linking fails over different bins using a pipeline
|
||||
* like this:
|
||||
*
|
||||
|
|
@ -186,23 +226,16 @@ GST_START_TEST (test_ghost_pads)
|
|||
/* unreffing the bin will unref all elements, which will unlink and unparent
|
||||
* all pads */
|
||||
|
||||
/* FIXME: ghost pads need to drop their internal pad in the unlink function,
|
||||
* but can't right now. So internal pads have a ref from their parent, and the
|
||||
* internal pads' targets have refs from the internals. When we do the last
|
||||
* unref on the ghost pads, these refs should go away.
|
||||
*/
|
||||
|
||||
assert_gstrefcount (fsrc, 2); /* gisrc */
|
||||
assert_gstrefcount (gsink, 1);
|
||||
assert_gstrefcount (gsrc, 1);
|
||||
assert_gstrefcount (fsink, 2); /* gisink */
|
||||
|
||||
assert_gstrefcount (gisrc, 2); /* gsink -- fixme drop ref in unlink */
|
||||
assert_gstrefcount (gisrc, 1); /* gsink */
|
||||
assert_gstrefcount (isink, 2); /* gsink */
|
||||
assert_gstrefcount (gisink, 2); /* gsrc -- fixme drop ref in unlink */
|
||||
assert_gstrefcount (gisink, 1); /* gsrc */
|
||||
assert_gstrefcount (isrc, 2); /* gsrc */
|
||||
|
||||
/* while the fixme isn't fixed, check cleanup */
|
||||
gst_object_unref (gsink);
|
||||
assert_gstrefcount (isink, 1);
|
||||
assert_gstrefcount (gisrc, 1);
|
||||
|
|
@ -216,6 +249,11 @@ GST_START_TEST (test_ghost_pads)
|
|||
assert_gstrefcount (fsink, 2); /* gisrc */
|
||||
gst_object_unref (gisink);
|
||||
assert_gstrefcount (fsink, 1);
|
||||
|
||||
gst_object_unref (fsrc);
|
||||
gst_object_unref (isrc);
|
||||
gst_object_unref (isink);
|
||||
gst_object_unref (fsink);
|
||||
}
|
||||
|
||||
GST_END_TEST;
|
||||
|
|
@ -228,6 +266,7 @@ gst_ghost_pad_suite (void)
|
|||
|
||||
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);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue