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0bb01afa84
Original commit message from CVS: Split out the padtemplate, autoplugfactoy and elementfactory into different pages to be able to show more examples and the object hierarchy.
149 lines
2.6 KiB
Text
149 lines
2.6 KiB
Text
<!-- ##### SECTION Title ##### -->
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GstElementFactory
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<!-- ##### SECTION Short_Description ##### -->
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Create GstElements from a factory
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<!-- ##### SECTION Long_Description ##### -->
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<para>
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GstElementFactory is used to create instances of elements. A GstElementfactory
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can be added to a #GstPlugin as it is also a #GstPluginFeature.
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</para>
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<para>
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Use gst_elementfactory_new() to create a new factory which can be added to a plugin
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with gst_plugin_add_feature().
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</para>
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<para>
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gst_elementfactory_get_list() is used to get a list of all available factories in
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the plugin repository.
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</para>
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<para>
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gst_elementfactory_add_padtemplate() is used to add a padtemplate to the factory.
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This function will enable the application to query for elementfactories that handle
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a specific media type.
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</para>
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<para>
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Use the gst_elementfactory_find() and gst_elementfactory_create() functions
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to create element instances or use gst_elementfactory_make() as a convenient
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shortcut.
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</para>
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<para>
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The following code example shows you how to create a GstDiskSrc element.
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</para>
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<para>
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<programlisting role="C">
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#include <gst/gst.h>
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GstElement *src;
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GstElementFactory *srcfactory;
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gst_init(&argc,&argv);
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srcfactory = gst_elementfactory_find("disksrc");
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g_return_if_fail(srcfactory != NULL);
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src = gst_elementfactory_create(srcfactory,"src");
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g_return_if_fail(src != NULL);
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...
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</programlisting>
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</para>
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<!-- ##### SECTION See_Also ##### -->
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<para>
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#GstElement, #GstPlugin, #GstPluginFeature, #GstPadTemplate.
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</para>
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<!-- ##### STRUCT GstElementDetails ##### -->
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<para>
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This struct is used to define public information about the element. It
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describes the element, mostly for the benefit of editors.
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</para>
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@longname:
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@klass:
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@description:
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@version:
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@author:
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@copyright:
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<!-- ##### FUNCTION gst_elementfactory_new ##### -->
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<para>
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</para>
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@name:
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@type:
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@details:
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@Returns:
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<!-- ##### FUNCTION gst_elementfactory_find ##### -->
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<para>
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</para>
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@name:
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@Returns:
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<!-- ##### FUNCTION gst_elementfactory_get_list ##### -->
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<para>
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</para>
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@Returns:
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<!-- ##### FUNCTION gst_elementfactory_add_padtemplate ##### -->
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<para>
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</para>
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@elementfactory:
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@templ:
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<!-- # Unused Parameters # -->
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@temp:
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@pad:
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<!-- ##### FUNCTION gst_elementfactory_can_src_caps ##### -->
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<para>
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</para>
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@factory:
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@caps:
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@Returns:
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<!-- ##### FUNCTION gst_elementfactory_can_sink_caps ##### -->
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<para>
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</para>
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@factory:
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@caps:
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@Returns:
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<!-- ##### FUNCTION gst_elementfactory_create ##### -->
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<para>
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</para>
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@factory:
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@name:
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@Returns:
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<!-- ##### FUNCTION gst_elementfactory_make ##### -->
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<para>
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</para>
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@factoryname:
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@name:
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@Returns:
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