mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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Documentation updates.
Original commit message from CVS: Documentation updates.
This commit is contained in:
Thomas Vander Stichele
parent
55bf3d095b
commit
4a8451a360
4 changed files with 99 additions and 85 deletions
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@ -1,3 +1,10 @@
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2005-10-28 Thomas Vander Stichele <thomas at apestaart dot org>
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* gst/gstbin.c: (gst_bin_class_init):
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* gst/gstbin.h:
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* gst/gstutils.c:
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Documentation updates.
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2005-10-28 Wim Taymans <wim@fluendo.com>
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* docs/gst/gstreamer-sections.txt:
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159
gst/gstbin.c
159
gst/gstbin.c
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@ -52,7 +52,7 @@
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* bin. Likewise the "element_removed" signal is fired whenever an element is
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* removed from the bin.
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*
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* A GstBin internally interceps all #GstMessage posted by its children and
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* A GstBin internally intercepts all #GstMessage posted by its children and
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* implements the following default behaviour for each of them.
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*
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* GST_MESSAGE_EOS: This message is only posted by sinks
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@ -68,20 +68,22 @@
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*
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* OTHERS: posted upwards.
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*
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* A GstBin implements the following default behaviour for answering to a
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* A GstBin implements the following default behaviour for answering to a
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* #GstQuery:
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*
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* GST_QUERY_DURATION: If the query has been asked before with the same
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* format, use the cached previous value. If no previous value
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* format, use the cached previous value. If no previous value
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* was cached, the query is sent to all sink elements in the bin
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* and the MAXIMUM of all values is returned and cached. If no
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* sinks are available in the bin, the query fails.
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* and the MAXIMUM of all values is returned and cached. If no
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* sinks are available in the bin, the query fails.
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*
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* OTHERS: the query is forwarded to all sink elements, the result of the
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* OTHERS: the query is forwarded to all sink elements, the result of the
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* first sink that answers the query successfully is returned. If
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* no sink is in the bin, the query fails.
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*
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* gst_object_unref() is used to destroy the bin.
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*
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* Last reviewed on 2005-10-28 (0.9.4)
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*/
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#include "gst_private.h"
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@ -264,8 +266,8 @@ gst_bin_class_init (GstBinClass * klass)
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/**
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* GstBin::element-added:
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* @bin: the object which emitted the signal.
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* @element: the element that was added to the bin
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* @bin: the #GstBin
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* @element: the #GstElement that was added to the bin
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*
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* Will be emitted if a new element was removed/added to this bin.
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*/
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@ -275,8 +277,8 @@ gst_bin_class_init (GstBinClass * klass)
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NULL, gst_marshal_VOID__OBJECT, G_TYPE_NONE, 1, GST_TYPE_ELEMENT);
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/**
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* GstBin::element-removed:
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* @bin: the object which emitted the signal.
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* @element: the element that was removed from the bin
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* @bin: #GstBin
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* @element: the #GstElement that was removed from the bin
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*
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* Will be emitted if an element was removed from this bin.
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*/
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@ -340,11 +342,11 @@ gst_bin_init (GstBin * bin)
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/**
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* gst_bin_new:
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* @name: name of new bin
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* @name: the name of the new bin
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*
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* Create a new bin with given name.
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* Creates a new bin with the given name.
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*
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* Returns: new bin
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* Returns: a new #GstBin
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*/
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GstElement *
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gst_bin_new (const gchar * name)
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@ -695,8 +697,8 @@ had_parent:
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/**
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* gst_bin_add:
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* @bin: #GstBin to add element to
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* @element: #GstElement to add to bin
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* @bin: a #GstBin
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* @element: the #GstElement to add to the bin
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*
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* Adds the given element to the bin. Sets the element's parent, and thus
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* takes ownership of the element. An element can only be added to one bin.
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@ -706,7 +708,7 @@ had_parent:
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*
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* MT safe.
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*
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* Returns: TRUE if the element could be added, FALSE on wrong parameters or
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* Returns: TRUE if the element could be added, FALSE if
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* the bin does not want to accept the element.
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*/
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gboolean
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@ -845,10 +847,10 @@ already_removing:
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/**
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* gst_bin_remove:
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* @bin: #GstBin to remove element from
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* @element: #GstElement to remove
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* @bin: a #GstBin
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* @element: the #GstElement to remove
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*
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* Remove the element from its associated bin, unparenting it as well.
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* Removes the element from the bin, unparenting it as well.
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* Unparenting the element means that the element will be dereferenced,
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* so if the bin holds the only reference to the element, the element
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* will be freed in the process of removing it from the bin. If you
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@ -860,7 +862,7 @@ already_removing:
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*
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* MT safe.
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*
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* Returns: TRUE if the element could be removed, FALSE on wrong parameters or
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* Returns: TRUE if the element could be removed, FALSE if
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* the bin does not want to remove the element.
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*/
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gboolean
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@ -902,16 +904,16 @@ iterate_child (GstIterator * it, GstElement * child)
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/**
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* gst_bin_iterate_elements:
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* @bin: #Gstbin to iterate the elements of
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* @bin: a #GstBin
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*
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* Get an iterator for the elements in this bin.
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* Each element will have its refcount increased, so unref
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* after use.
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* Gets an iterator for the elements in this bin.
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*
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* MT safe.
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* Each element yielded by the iterator will have its refcount increased, so
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* unref after use.
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*
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* Returns: a #GstIterator of #GstElements. gst_iterator_free after
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* use. returns NULL when passing bad parameters.
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* MT safe. Caller owns returned value.
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*
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* Returns: a #GstIterator of #GstElement, or NULL
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*/
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GstIterator *
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gst_bin_iterate_elements (GstBin * bin)
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@ -951,16 +953,17 @@ iterate_child_recurse (GstIterator * it, GstElement * child)
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/**
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* gst_bin_iterate_recurse:
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* @bin: #Gstbin to iterate the elements of
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* @bin: a #GstBin
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*
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* Get an iterator for the elements in this bin.
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* Each element will have its refcount increased, so unref
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* after use. This iterator recurses into GstBin children.
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* Gets an iterator for the elements in this bin.
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* This iterator recurses into GstBin children.
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*
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* MT safe.
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* Each element yielded by the iterator will have its refcount increased, so
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* unref after use.
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*
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* Returns: a #GstIterator of #GstElements. gst_iterator_free after
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* use. returns NULL when passing bad parameters.
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* MT safe. Caller owns returned value.
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*
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* Returns: a #GstIterator of #GstElement, or NULL
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*/
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GstIterator *
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gst_bin_iterate_recurse (GstBin * bin)
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@ -1021,17 +1024,17 @@ sink_iterator_filter (GstElement * child, GstBin * bin)
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/**
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* gst_bin_iterate_sinks:
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* @bin: #Gstbin to iterate on
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* @bin: a #GstBin
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*
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* Get an iterator for the sink elements in this bin.
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* Each element will have its refcount increased, so unref
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* after use.
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* Gets an iterator for all elements in the bin that have the
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* #GST_ELEMENT_IS_SINK flag set.
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*
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* The sink elements are those with the GST_ELEMENT_IS_SINK flag set.
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* Each element yielded by the iterator will have its refcount increased, so
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* unref after use.
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*
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* MT safe.
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* MT safe. Caller owns returned value.
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*
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* Returns: a #GstIterator of #GstElements. gst_iterator_free after use.
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* Returns: a #GstIterator of #GstElement, or NULL
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*/
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GstIterator *
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gst_bin_iterate_sinks (GstBin * bin)
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@ -1460,21 +1463,21 @@ gst_bin_sort_iterator_free (GstBinSortIterator * bit)
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/**
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* gst_bin_iterate_sorted:
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* @bin: #Gstbin to iterate on
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* @bin: a #GstBin
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*
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* Get an iterator for the elements in this bin in topologically
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* Gets an iterator for the elements in this bin in topologically
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* sorted order. This means that the elements are returned from
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* the most downstream elements (sinks) to the sources.
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*
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* This function is used internally to perform the state changes
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* of the bin elements.
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*
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* Each element will have its refcount increased, so unref
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* after use.
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* Each element yielded by the iterator will have its refcount increased, so
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* unref after use.
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*
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* MT safe.
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* MT safe. Caller owns returned value.
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*
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* Returns: a #GstIterator of #GstElements. gst_iterator_free after use.
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* Returns: a #GstIterator of #GstElement, or NULL
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*/
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GstIterator *
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gst_bin_iterate_sorted (GstBin * bin)
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@ -2072,17 +2075,17 @@ compare_name (GstElement * element, const gchar * name)
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/**
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* gst_bin_get_by_name:
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* @bin: #Gstbin to search
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* @bin: a #GstBin
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* @name: the element name to search for
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*
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* Get the element with the given name from this bin. This
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* function recurses into subbins.
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* Gets the element with the given name from a bin. This
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* function recurses into child bins.
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*
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* MT safe.
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* Returns NULL if no element with the given name is found in the bin.
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*
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* Returns: the element with the given name. Returns NULL if the
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* element is not found or when bad parameters were given. Unref after
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* use.
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* MT safe. Caller owns returned reference.
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*
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* Returns: the #GstElement with the given name, or NULL
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*/
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GstElement *
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gst_bin_get_by_name (GstBin * bin, const gchar * name)
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@ -2105,16 +2108,18 @@ gst_bin_get_by_name (GstBin * bin, const gchar * name)
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/**
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* gst_bin_get_by_name_recurse_up:
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* @bin: #Gstbin to search
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* @bin: a #GstBin
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* @name: the element name to search for
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*
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* MT safe.
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*
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* Get the element with the given name from this bin. If the
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* Gets the element with the given name from this bin. If the
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* element is not found, a recursion is performed on the parent bin.
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*
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* Returns: the element with the given name or NULL when the element
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* was not found or bad parameters were given. Unref after use.
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* Returns NULL if:
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* - no element with the given name is found in the bin
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*
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* MT safe. Caller owns returned reference.
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*
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* Returns: the #GstElement with the given name, or NULL
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*/
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GstElement *
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gst_bin_get_by_name_recurse_up (GstBin * bin, const gchar * name)
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@ -2159,19 +2164,18 @@ compare_interface (GstElement * element, gpointer interface)
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/**
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* gst_bin_get_by_interface:
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* @bin: bin to find element in
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* @interface: interface to be implemented by interface
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* @bin: a #GstBin
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* @interface: the #GType of an interface
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*
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* Looks for the first element inside the bin that implements the given
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* interface. If such an element is found, it returns the element. You can
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* cast this element to the given interface afterwards.
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* If you want all elements that implement the interface, use
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* gst_bin_iterate_all_by_interface(). The function recurses inside bins.
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* Looks for an element inside the bin that implements the given
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* interface. If such an element is found, it returns the element.
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* You can cast this element to the given interface afterwards. If you want
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* all elements that implement the interface, use
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* gst_bin_iterate_all_by_interface(). This function recurses into child bins.
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*
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* MT safe.
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* MT safe. Caller owns returned reference.
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*
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* Returns: An #GstElement inside the bin implementing the interface.
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* Unref after use.
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* Returns: A #GstElement inside the bin implementing the interface
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*/
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GstElement *
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gst_bin_get_by_interface (GstBin * bin, GType interface)
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@ -2191,18 +2195,21 @@ gst_bin_get_by_interface (GstBin * bin, GType interface)
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/**
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* gst_bin_iterate_all_by_interface:
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* @bin: bin to find elements in
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* @interface: interface to be implemented by interface
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* @bin: a #GstBin
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* @interface: the #GType of an interface
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*
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* Looks for all elements inside the bin that implements the given
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* interface. You can safely cast all returned elements to the given interface.
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* The function recurses bins inside bins. The iterator will return a series
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* The function recurses inside child bins. The iterator will yield a series
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* of #GstElement that should be unreffed after use.
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*
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* MT safe.
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* Each element yielded by the iterator will have its refcount increased, so
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* unref after use.
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*
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* Returns: A #GstIterator for the elements inside the bin implementing the
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* given interface.
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* MT safe. Caller owns returned value.
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*
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* Returns: a #GstIterator of #GstElement for all elements in the bin
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* implementing the given interface, or NULL
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*/
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GstIterator *
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gst_bin_iterate_all_by_interface (GstBin * bin, GType interface)
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10
gst/gstbin.h
10
gst/gstbin.h
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@ -57,21 +57,21 @@ typedef struct _GstBinClass GstBinClass;
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/**
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* GST_BIN_NUMCHILDREN:
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* @bin: the bin to get the number of children from
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* @bin: a #GstBin
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*
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* Gets the number of children a bin manages.
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* Gets the number of children in a bin.
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*/
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#define GST_BIN_NUMCHILDREN(bin) (GST_BIN_CAST(bin)->numchildren)
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/**
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* GST_BIN_CHILDREN:
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* @bin: the bin to get the list with children from
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* @bin: a #GstBin
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*
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* Gets the list with children a bin manages.
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* Gets the list with children in a bin.
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*/
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#define GST_BIN_CHILDREN(bin) (GST_BIN_CAST(bin)->children)
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/**
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* GST_BIN_CHILDREN_COOKIE:
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* @bin: the bin to get the children cookie from
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* @bin: a #GstBin
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*
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* Gets the children cookie that watches the children list.
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*/
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@ -1971,8 +1971,8 @@ g_static_rec_cond_wait (GCond * cond, GStaticRecMutex * mutex)
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/**
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* gst_bin_add_many:
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* @bin: the bin to add the elements to
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* @element_1: the first element to add to the bin
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* @bin: a #GstBin
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* @element_1: the #GstElement element to add to the bin
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* @...: additional elements to add to the bin
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*
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* Adds a NULL-terminated list of elements to a bin. This function is
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@ -1999,8 +1999,8 @@ gst_bin_add_many (GstBin * bin, GstElement * element_1, ...)
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/**
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* gst_bin_remove_many:
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* @bin: the bin to remove the elements from
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* @element_1: the first element to remove from the bin
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* @bin: a #GstBin
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* @element_1: the first #GstElement to remove from the bin
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* @...: NULL-terminated list of elements to remove from the bin
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*
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* Remove a list of elements from a bin. This function is equivalent
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