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[gst-cvs] thomasvs gstreamer: gstreamer/docs/gst/tmpl/
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From: Thomas V. S. <tho...@us...> - 2002-04-19 10:25:55
|
CVS Root: /cvsroot/gstreamer
Module: gstreamer
Changes by: thomasvs
Date: Fri Apr 19 2002 03:25:53 PDT
Log message:
doc changes
Modified files:
docs/gst/tmpl : gstelement.sgml
Links:
http://cvs.sf.net/cgi-bin/viewcvs.cgi/gstreamer/gstreamer/docs/gst/tmpl/gstelement.sgml.diff?r1=1.40&r2=1.41
====Begin Diffs====
Index: gstelement.sgml
===================================================================
RCS file: /cvsroot/gstreamer/gstreamer/docs/gst/tmpl/gstelement.sgml,v
retrieving revision 1.40
retrieving revision 1.41
diff -u -d -r1.40 -r1.41
--- gstelement.sgml 17 Apr 2002 12:28:32 -0000 1.40
+++ gstelement.sgml 19 Apr 2002 10:25:40 -0000 1.41
@@ -7,339 +7,403 @@
<!-- ##### SECTION Long_Description ##### -->
<para>
GstElement is the base class needed to construct an element that can be
-used in a GST pipeline. As such, it is not a functional entity, and
+used in a GStreamer pipeline. As such, it is not a functional entity, and
cannot do anything when placed in a pipeline.
</para>
<para>
-All GstElements have a list containing the #GstPad structure for all their
-inputs and outputs. These can be added with gst_element_add_pad() or
-gst_element_add_ghost_pad(), and retrieved by name with
-gst_element_get_pad(), or in a list form by gst_element_get_pad_list().
+The name of a GstElement can be get with gst_element_get_name() and set with
+gst_element_set_name(). For speed, GST_ELEMENT_NAME() can be used in the
+core.
+Do not use this in plug-ins or applications in order to retain ABI
+compatibility.
</para>
<para>
-gst_element_connect() is a convenience function provided to make it
-simpler to connect pads of two elements together.
+All elements have pads (of the type #GstPad). These pads connect to pads on
+other elements. Buffers flow between these connected pads.
+A GstElement has a GList of #GstPad structures for all their input (or sink)
+and output (or source) pads.
+Core and plug-in writers can add and remove pads with gst_element_add_pad()
+and gst_element_remove_pad().
+Application writers can manipulate ghost pads (copies of real pads inside a bin)
+with gst_element_add_ghost_pad() and gst_element_remove_ghost_pad().
+A pad of an element can be retrieved by name with gst_element_get_pad().
+A GList of all pads can be retrieved with gst_element_get_pad_list().
</para>
-<!-- ##### SECTION See_Also ##### -->
<para>
-#GstElementFactory
+Elements can be connected through their pads.
+If the connection is straightforward, use the gst_element_connect()
+convenience function to connect two elements, or gst_element_connect_many()
+for more elements in a row.
+Use gst_element_connect_filtered() to connect two elements constrained by
+a specified set of #GstCaps.
+For finer control, use gst_element_connect_pads() and
+gst_element_connect_pads_filtered() to specify the pads to connect on
+each element by name.
</para>
-<!-- ##### ENUM GstElementState ##### -->
<para>
-This enum defines the standard states an element may be in. You will normally
-use gst_element_set_state() to change the state of an element.
+Each element has a state (see #GstElementState). You can get and set the state
+of an element with gst_element_get_state() and gst_element_set_state().
+You can wait for an element to change it's state with gst_element_wait_state_change().
+To get a string representation of a #GstElementState, use
+gst_element_statename(), which is a really bad name for what it does
+and should probably be renamed
+to gst_element_state_get_name if we can be bothered to do that.
+</para>
+<para>
+You can get and set a #GstClock on an element using gst_element_get_clock()
+and gst_element_set_clock(). You can wait for the clock to reach a given
+#GstClockTime using gst_element_clock_wait().
+</para>
+<!-- ##### SECTION See_Also ##### -->
+<para>
+#GstElementFactory, #GstPad
</para>
-@GST_STATE_VOID_PENDING:
-@GST_STATE_NULL: Reset the state of an element.
-@GST_STATE_READY: will make the element ready to start processing data. some
-elements might have a non trivial way to initialize themselves.
-@GST_STATE_PAUSED: means there really is data flowing temporary stops the data flow.
-@GST_STATE_PLAYING: means there really is data flowing through the graph.
+<!-- basic object functions -->
-<!-- ##### ENUM GstElementStateReturn ##### -->
+<!-- ##### STRUCT GstElement ##### -->
<para>
-This enum defines the standard return values that an element
-can return after a state change.
</para>
-@GST_STATE_FAILURE: the element could not perform the state change
-@GST_STATE_SUCCESS: the element successfully changed its state
-@GST_STATE_ASYNC: the element will asynchronously change its state as soon as possible
-<!-- ##### MACRO GST_NUM_STATES ##### -->
+<!-- ##### MACRO gst_element_destroy ##### -->
<para>
-The maximun number of states.
+Destroys the element (without taking the refcount into account).
+An application programmer should use #gst_object_unref instead to dispose
+of an element he doesn't need anymore.
</para>
+@element: a #GstElement to destroy
-<!-- ##### MACRO GST_STATE ##### -->
+<!-- ##### FUNCTION gst_element_get_name ##### -->
<para>
-This macro returns the current state of the element.
+
</para>
-@obj: Element to return state for.
+@element:
+@Returns:
-<!-- ##### MACRO GST_STATE_PENDING ##### -->
+<!-- ##### FUNCTION gst_element_set_name ##### -->
<para>
-This macro returns the currently pending state of the element.
+
</para>
-@obj: Element to return the pending state for.
+@element:
+@name:
-<!-- ##### MACRO GST_STATE_TRANSITION ##### -->
-<para>
-Returns the state transition this object is going through.
-</para>
-
-@obj: the Element to return the state transition for
+<!-- connection -->
-<!-- ##### MACRO GST_STATE_NULL_TO_READY ##### -->
+<!-- ##### FUNCTION gst_element_get_factory ##### -->
<para>
-The Element is going from the NULL state to the READY state.
+
</para>
+@element:
+@Returns:
-<!-- ##### MACRO GST_STATE_READY_TO_PAUSED ##### -->
+<!-- ##### FUNCTION gst_element_add_pad ##### -->
<para>
-The Element is going from the READY state to the PAUSED state.
+
</para>
+@element:
+@pad:
-<!-- ##### MACRO GST_STATE_PAUSED_TO_READY ##### -->
+<!-- ##### FUNCTION gst_element_remove_pad ##### -->
<para>
-The Element is going from the PAUSED state to the READY state.
+
</para>
+@element:
+@pad:
-<!-- ##### MACRO GST_STATE_PLAYING_TO_PAUSED ##### -->
+<!-- ##### FUNCTION gst_element_add_ghost_pad ##### -->
<para>
-The Element is going from the PLAYING state to the PAUSED state.
+
</para>
+@element:
+@pad:
+@name:
+@Returns:
-<!-- ##### MACRO GST_STATE_PAUSED_TO_PLAYING ##### -->
+<!-- ##### FUNCTION gst_element_remove_ghost_pad ##### -->
<para>
-The Element is going from the PAUSED state to the PLAYING state.
+
</para>
+@element:
+@pad:
-<!-- ##### MACRO GST_STATE_READY_TO_NULL ##### -->
+<!-- pad template manipulation -->
+
+
+<!-- ##### FUNCTION gst_element_get_pad ##### -->
<para>
-The Element is going from the READY state to the NULL state.
+
</para>
+@element:
+@name:
+@Returns: GList of #GstPads
-<!-- ##### ENUM GstElementFlags ##### -->
+<!-- ##### FUNCTION gst_element_get_static_pad ##### -->
<para>
-This enum defines the standard flags that an element may have.
+
</para>
-@GST_ELEMENT_COMPLEX:
-@GST_ELEMENT_DECOUPLED:
-@GST_ELEMENT_THREAD_SUGGESTED:
-@GST_ELEMENT_NO_SEEK:
-@GST_ELEMENT_INFINITE_LOOP:
-@GST_ELEMENT_SCHEDULER_PRIVATE1:
-@GST_ELEMENT_SCHEDULER_PRIVATE2:
-@GST_ELEMENT_NEW_LOOPFUNC:
-@GST_ELEMENT_EVENT_AWARE:
-@GST_ELEMENT_FLAG_LAST:
+@element:
+@name:
+@Returns:
-<!-- ##### MACRO GST_ELEMENT_IS_THREAD_SUGGESTED ##### -->
+
+<!-- ##### FUNCTION gst_element_get_request_pad ##### -->
<para>
-Queries whether the Element should be placed in a thread.
+
</para>
-@obj: The element to query
+@element:
+@name:
+@Returns:
-<!-- ##### MACRO GST_ELEMENT_IS_DECOUPLED ##### -->
+<!-- ##### FUNCTION gst_element_get_pad_list ##### -->
<para>
-Queries if the Element is decoupled.
+
</para>
-@obj: The element to query
+@element:
+@Returns:
-<!-- ##### MACRO GST_ELEMENT_IS_EOS ##### -->
+<!-- ##### FUNCTION gst_element_get_pad_template_list ##### -->
<para>
-Query wether this element is in the End Of Stream state.
+
</para>
-@obj: The element to query
+@element:
+@Returns:
-<!-- ##### MACRO GST_ELEMENT_IS_EVENT_AWARE ##### -->
-<para>
-Query wether this element can handle events.
-</para>
-@obj: The element to query
+<!-- scheduling -->
-<!-- ##### MACRO GST_ELEMENT_PARENT ##### -->
+<!-- ##### FUNCTION gst_element_class_add_pad_template ##### -->
<para>
-Get the parent object of this element.
+
</para>
-@obj: The element to query
+@klass:
+@templ:
+<!-- # Unused Parameters # -->
+@element:
-<!-- ##### MACRO GST_ELEMENT_NAME ##### -->
+<!-- ##### FUNCTION gst_element_connect ##### -->
<para>
-Get the name of this element.
+
</para>
-@obj: The element to query
+@src:
+@dest:
+@Returns:
-<!-- ##### MACRO GST_ELEMENT_PADS ##### -->
+<!-- ##### FUNCTION gst_element_connect_many ##### -->
<para>
-Get the pads of this elements.
+
</para>
-@obj: The element to query
+@element_1:
+@element_2:
+@Varargs:
+@Returns:
-<!-- ##### MACRO GST_ELEMENT_SCHED ##### -->
+<!-- ##### FUNCTION gst_element_connect_filtered ##### -->
<para>
-Get the scheduler of this element.
+
</para>
-@obj: The element to query
+@src:
+@dest:
+@filtercaps:
+@Returns:
-<!-- ##### MACRO GST_ELEMENT_MANAGER ##### -->
+<!-- ##### FUNCTION gst_element_connect_pads ##### -->
<para>
-Get the manager of this element.
+
</para>
-@obj: The element to query
+@src:
+@srcpadname:
+@dest:
+@destpadname:
+@Returns:
-<!-- ##### MACRO GST_ELEMENT_CLOCK ##### -->
+<!-- ##### FUNCTION gst_element_connect_pads_filtered ##### -->
<para>
-Get the clock of this element
+
</para>
-@obj: the Element to query
+@src:
+@srcpadname:
+@dest:
+@destpadname:
+@filtercaps:
+@Returns:
-<!-- ##### STRUCT GstElement ##### -->
+<!-- ##### FUNCTION gst_element_disconnect ##### -->
<para>
</para>
+@src:
+@dest:
+<!-- # Unused Parameters # -->
+@srcpadname:
+@destpadname:
-<!-- ##### USER_FUNCTION GstElementLoopFunction ##### -->
+
+<!-- ##### FUNCTION gst_element_disconnect_many ##### -->
<para>
-This function type is used to specify a loop function for the element. It
-is passed the element in question, and is expect to return only in error
-circumstances.
+
</para>
-@element: The element in question.
+@element_1:
+@element_2:
+@Varargs:
-<!-- ##### USER_FUNCTION GstElementGetClockFunction ##### -->
+<!-- ##### FUNCTION gst_element_disconnect_pads ##### -->
<para>
-The function to get the clock from a clock providing element
+
</para>
-@element: The element to get the clock of
-@Returns: The clock provided by the element
+@src:
+@srcpadname:
+@dest:
+@destpadname:
-<!-- ##### USER_FUNCTION GstElementSetClockFunction ##### -->
+<!-- pad manipulation -->
+
+
+<!-- ##### FUNCTION gst_element_get_compatible_pad ##### -->
<para>
-The function to set the clock on a clock receiving element.
+
</para>
-@element: The element to set the clock on
-@clock: The clock to set on the element
+@element:
+@pad:
+@Returns:
-<!-- ##### FUNCTION gst_element_class_add_pad_template ##### -->
+<!-- ##### FUNCTION gst_element_get_compatible_pad_filtered ##### -->
<para>
</para>
-@klass:
-@templ:
-<!-- # Unused Parameters # -->
@element:
+@pad:
+@filtercaps:
+@Returns:
-<!-- ##### MACRO gst_element_destroy ##### -->
+<!-- ##### FUNCTION gst_element_set_state ##### -->
<para>
-Destroy the element. This is potentially dangerous, use gst_object_unref
-instead.
+
</para>
-@element: the element to destroy
+@element:
+@state:
+@Returns:
-<!-- ##### FUNCTION gst_element_set_loop_function ##### -->
+<!-- ##### FUNCTION gst_element_get_state ##### -->
<para>
</para>
@element:
-@loop:
+@Returns:
+<!-- # Unused Parameters # -->
+@elem:
-<!-- ##### FUNCTION gst_element_set_name ##### -->
+<!-- ##### FUNCTION gst_element_wait_state_change ##### -->
<para>
</para>
@element:
-@name:
-<!-- ##### FUNCTION gst_element_get_name ##### -->
+<!-- ##### FUNCTION gst_element_statename ##### -->
<para>
</para>
-@element:
+@state:
@Returns:
-<!-- ##### FUNCTION gst_element_get_sched ##### -->
+<!-- ##### FUNCTION gst_element_error ##### -->
<para>
</para>
@element:
-@Returns:
+@error:
+@Varargs:
-<!-- ##### FUNCTION gst_element_set_sched ##### -->
+<!-- ##### FUNCTION gst_element_set_eos ##### -->
<para>
</para>
@element:
-@sched:
-<!-- ##### FUNCTION gst_element_set_parent ##### -->
+<!-- ##### FUNCTION gst_element_interrupt ##### -->
<para>
</para>
@element:
-@parent:
+@Returns:
-<!-- ##### FUNCTION gst_element_get_parent ##### -->
+<!-- ##### FUNCTION gst_element_yield ##### -->
<para>
</para>
@element:
-@Returns:
-<!-- ##### FUNCTION gst_element_get_managing_bin ##### -->
+<!-- ##### FUNCTION gst_element_get_clock ##### -->
<para>
</para>
@@ -348,55 +412,64 @@
@Returns:
-<!-- ##### FUNCTION gst_element_add_pad ##### -->
+<!-- ##### FUNCTION gst_element_set_clock ##### -->
<para>
</para>
@element:
-@pad:
+@clock:
-<!-- ##### FUNCTION gst_element_remove_pad ##### -->
+<!-- ##### FUNCTION gst_element_clock_wait ##### -->
<para>
</para>
@element:
-@pad:
+@clock:
+@time:
+@Returns:
-<!-- ##### FUNCTION gst_element_get_pad ##### -->
+<!-- ##### USER_FUNCTION GstElementGetClockFunction ##### -->
<para>
+The function to get the clock from a clock providing element
+</para>
+
+@element: The element to get the clock of
+@Returns: The clock provided by the element
+
+<!-- ##### USER_FUNCTION GstElementSetClockFunction ##### -->
+<para>
+The function to set the clock on a clock receiving element.
</para>
-@element:
-@name:
-@Returns: GList of pads
+@element: The element to set the clock on
+@clock: The clock to set on the element
-<!-- ##### FUNCTION gst_element_get_static_pad ##### -->
+<!-- ##### FUNCTION gst_element_set_loop_function ##### -->
<para>
</para>
@element:
-@name:
-@Returns:
+@loop:
-<!-- ##### FUNCTION gst_element_get_request_pad ##### -->
+<!-- ##### USER_FUNCTION GstElementLoopFunction ##### -->
<para>
-
+This function type is used to specify a loop function for the element. It
+is passed the element in question, and is expect to return only in error
+circumstances.
</para>
-@element:
-@name:
-@Returns:
+@element: The element in question.
-<!-- ##### FUNCTION gst_element_get_pad_list ##### -->
+<!-- ##### FUNCTION gst_element_get_sched ##### -->
<para>
</para>
@@ -405,261 +478,236 @@
@Returns:
-<!-- ##### FUNCTION gst_element_get_pad_template_list ##### -->
+<!-- ##### FUNCTION gst_element_set_sched ##### -->
<para>
</para>
@element:
-@Returns:
+@sched:
-<!-- ##### FUNCTION gst_element_add_ghost_pad ##### -->
+<!-- ##### FUNCTION gst_element_get_parent ##### -->
<para>
</para>
@element:
-@pad:
-@name:
@Returns:
-<!-- ##### FUNCTION gst_element_remove_ghost_pad ##### -->
+<!-- ##### FUNCTION gst_element_set_parent ##### -->
<para>
</para>
@element:
-@pad:
+@parent:
-<!-- ##### FUNCTION gst_element_get_compatible_pad ##### -->
+<!-- ##### FUNCTION gst_element_get_managing_bin ##### -->
<para>
</para>
@element:
-@pad:
@Returns:
+<!-- clocking -->
-<!-- ##### FUNCTION gst_element_get_compatible_pad_filtered ##### -->
+
+<!-- ##### ENUM GstElementState ##### -->
<para>
+This enum defines the standard states an element may be in. You will normally
+use gst_element_set_state() to change the state of an element.
</para>
-@element:
-@pad:
-@filtercaps:
-@Returns:
-
+@GST_STATE_VOID_PENDING:
+@GST_STATE_NULL: Reset the state of an element.
+@GST_STATE_READY: will make the element ready to start processing data. some
+elements might have a non trivial way to initialize themselves.
+@GST_STATE_PAUSED: means there really is data flowing temporary stops the data flow.
+@GST_STATE_PLAYING: means there really is data flowing through the graph.
-<!-- ##### FUNCTION gst_element_connect ##### -->
+<!-- ##### ENUM GstElementStateReturn ##### -->
<para>
+This enum defines the standard return values that an element
+can return after a state change.
</para>
-@src:
-@dest:
-@Returns:
-<!-- # Unused Parameters # -->
-@srcpadname:
-@destpadname:
-
+@GST_STATE_FAILURE: the element could not perform the state change
+@GST_STATE_SUCCESS: the element successfully changed its state
+@GST_STATE_ASYNC: the element will asynchronously change its state as soon as possible
-<!-- ##### FUNCTION gst_element_connect_many ##### -->
+<!-- ##### MACRO GST_NUM_STATES ##### -->
<para>
-
+The maximun number of states.
</para>
-@element_1:
-@element_2:
-@Varargs:
-@Returns:
-<!-- ##### FUNCTION gst_element_connect_filtered ##### -->
+<!-- ##### MACRO GST_STATE ##### -->
<para>
-
+This macro returns the current state of the element.
</para>
-@src:
-@dest:
-@filtercaps:
-@Returns:
-<!-- # Unused Parameters # -->
-@srcpadname:
-@destpadname:
+@obj: Element to return state for.
-<!-- ##### FUNCTION gst_element_connect_pads ##### -->
+<!-- ##### MACRO GST_STATE_PENDING ##### -->
<para>
-
+This macro returns the currently pending state of the element.
</para>
-@src:
-@srcpadname:
-@dest:
-@destpadname:
-@Returns:
+@obj: Element to return the pending state for.
-<!-- ##### FUNCTION gst_element_connect_pads_filtered ##### -->
+<!-- ##### MACRO GST_STATE_TRANSITION ##### -->
<para>
-
+Returns the state transition this object is going through.
</para>
-@src:
-@srcpadname:
-@dest:
-@destpadname:
-@filtercaps:
-@Returns:
+@obj: the Element to return the state transition for
-<!-- ##### FUNCTION gst_element_disconnect ##### -->
+<!-- ##### MACRO GST_STATE_NULL_TO_READY ##### -->
<para>
-
+The Element is going from the NULL state to the READY state.
</para>
-@src:
-@dest:
-<!-- # Unused Parameters # -->
-@srcpadname:
-@destpadname:
-<!-- ##### FUNCTION gst_element_disconnect_many ##### -->
+<!-- ##### MACRO GST_STATE_READY_TO_PAUSED ##### -->
<para>
-
+The Element is going from the READY state to the PAUSED state.
</para>
-@element_1:
-@element_2:
-@Varargs:
-<!-- ##### FUNCTION gst_element_disconnect_pads ##### -->
+<!-- ##### MACRO GST_STATE_PAUSED_TO_READY ##### -->
<para>
-
+The Element is going from the PAUSED state to the READY state.
</para>
-@src:
-@srcpadname:
-@dest:
-@destpadname:
-<!-- ##### FUNCTION gst_element_set_state ##### -->
+<!-- ##### MACRO GST_STATE_PLAYING_TO_PAUSED ##### -->
<para>
-
+The Element is going from the PLAYING state to the PAUSED state.
</para>
-@element:
-@state:
-@Returns:
-<!-- ##### FUNCTION gst_element_get_state ##### -->
+<!-- ##### MACRO GST_STATE_PAUSED_TO_PLAYING ##### -->
<para>
-
+The Element is going from the PAUSED state to the PLAYING state.
</para>
-@element:
-@Returns:
-<!-- # Unused Parameters # -->
-@elem:
-<!-- ##### FUNCTION gst_element_wait_state_change ##### -->
+<!-- ##### MACRO GST_STATE_READY_TO_NULL ##### -->
<para>
-
+The Element is going from the READY state to the NULL state.
</para>
-@element:
-<!-- ##### FUNCTION gst_element_statename ##### -->
+<!-- ##### ENUM GstElementFlags ##### -->
<para>
+This enum defines the standard flags that an element may have.
+</para>
+
+@GST_ELEMENT_COMPLEX:
+@GST_ELEMENT_DECOUPLED:
+@GST_ELEMENT_THREAD_SUGGESTED:
+@GST_ELEMENT_NO_SEEK:
+@GST_ELEMENT_INFINITE_LOOP:
+@GST_ELEMENT_SCHEDULER_PRIVATE1:
+@GST_ELEMENT_SCHEDULER_PRIVATE2:
+@GST_ELEMENT_NEW_LOOPFUNC:
+@GST_ELEMENT_EVENT_AWARE:
+@GST_ELEMENT_FLAG_LAST:
+<!-- ##### MACRO GST_ELEMENT_IS_THREAD_SUGGESTED ##### -->
+<para>
+Queries whether the Element should be placed in a thread.
</para>
-@state:
-@Returns:
+@obj: a #GstElement to query
-<!-- ##### FUNCTION gst_element_error ##### -->
+<!-- ##### MACRO GST_ELEMENT_IS_DECOUPLED ##### -->
<para>
-
+Queries if the Element is decoupled.
</para>
-@element:
-@error:
-@Varargs:
+@obj: a #GstElement to query
-<!-- ##### FUNCTION gst_element_get_factory ##### -->
+<!-- ##### MACRO GST_ELEMENT_IS_EOS ##### -->
<para>
-
+Query wether this element is in the End Of Stream state.
</para>
-@element:
-@Returns:
+@obj: a #GstElement to query
-<!-- ##### FUNCTION gst_element_set_eos ##### -->
+<!-- ##### MACRO GST_ELEMENT_IS_EVENT_AWARE ##### -->
<para>
-
+Query wether this element can handle events.
</para>
-@element:
+@obj: a #GstElement to query
-<!-- ##### FUNCTION gst_element_interrupt ##### -->
+<!-- ##### MACRO GST_ELEMENT_PARENT ##### -->
<para>
-
+Get the parent object of this element.
</para>
-@element:
-@Returns:
+@obj: a #GstElement to query
-<!-- ##### FUNCTION gst_element_yield ##### -->
+<!-- ##### MACRO GST_ELEMENT_NAME ##### -->
<para>
-
+Gets the name of this element. Used in the core. Not ABI-compatible.
</para>
-@element:
+@obj: A #GstElement to query
-<!-- ##### FUNCTION gst_element_clock_wait ##### -->
+<!-- ##### MACRO GST_ELEMENT_PADS ##### -->
<para>
-
+Get the pads of this elements.
</para>
-@element:
-@clock:
-@time:
-@Returns:
+@obj: a #GstElement to query
-<!-- ##### FUNCTION gst_element_get_clock ##### -->
+<!-- ##### MACRO GST_ELEMENT_SCHED ##### -->
<para>
-
+Get the scheduler of this element.
</para>
-@element:
-@Returns:
+@obj: a #GstElement to query
-<!-- ##### FUNCTION gst_element_set_clock ##### -->
+<!-- ##### MACRO GST_ELEMENT_MANAGER ##### -->
<para>
+Get the manager of this element.
+</para>
+@obj: a #GstElement to query
+
+
+<!-- ##### MACRO GST_ELEMENT_CLOCK ##### -->
+<para>
+Get the clock of this element
</para>
-@element:
-@clock:
+@obj: a #GstElement to query
<!-- ##### SIGNAL GstElement::eos ##### -->
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