#include <gst/gstobject.h>
#include <gst/gstplugin.h>
#include <gst/gstpluginfeature.h>
+#include <gst/gstpadtemplate.h>
#include <gst/gstiterator.h>
G_BEGIN_DECLS
-typedef struct _GstElementDetails GstElementDetails;
-
-/**
- * GstElementDetails:
- * @longname: long, english name
- * @klass: type of element, as an unordered list separated with slashes ('/')
- * @description: what the element is about
- * @author: who wrote this thing?
- *
- * This struct defines the public information about a #GstElement. It contains
- * meta-data about the element that is mostly for the benefit of editors.
- *
- * The @klass member can be used by applications to filter elements based
- * on functionality.
- */
-/* FIXME: need translatable stuff in here (how handle in registry)?
- * can't we use _N("long name") in element implementations and use _(longname)
- * in gst_element_factory_get_longname()
- */
-struct _GstElementDetails
-{
- /*< public > */
- gchar *longname;
- gchar *klass;
- gchar *description;
- gchar *author;
-
- /*< private > */
- gpointer _gst_reserved[GST_PADDING];
-};
-
-/**
- * GST_ELEMENT_DETAILS:
- * @longname: long, english name
- * @klass: type of element, as hierarchy with '/' as a delimiter
- * @description: what the element is about
- * @author: who wrote this element
- *
- * Macro to initialize #GstElementDetails.
- */
-#define GST_ELEMENT_DETAILS(longname,klass,description,author) \
- { longname, klass, description, author, {0} }
-
-/**
- * GST_IS_ELEMENT_DETAILS:
- * @details: the #GstElementDetails to check
- *
- * Tests if element details are initialized.
- */
-/* FIXME: what about adding '&& (*__gst_reserved==NULL)' */
-#define GST_IS_ELEMENT_DETAILS(details) ( \
- (details) && ((details)->longname != NULL) && ((details)->klass != NULL) \
- && ((details)->description != NULL) && ((details)->author != NULL))
-
-#define GST_TYPE_ELEMENT_FACTORY (gst_element_factory_get_type())
-#define GST_ELEMENT_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ELEMENT_FACTORY,\
- GstElementFactory))
-#define GST_ELEMENT_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ELEMENT_FACTORY,\
- GstElementFactoryClass))
-#define GST_IS_ELEMENT_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ELEMENT_FACTORY))
-#define GST_IS_ELEMENT_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ELEMENT_FACTORY))
+#define GST_TYPE_ELEMENT_FACTORY (gst_element_factory_get_type())
+#define GST_ELEMENT_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ELEMENT_FACTORY,\
+ GstElementFactory))
+#define GST_ELEMENT_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ELEMENT_FACTORY,\
+ GstElementFactoryClass))
+#define GST_IS_ELEMENT_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ELEMENT_FACTORY))
+#define GST_IS_ELEMENT_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ELEMENT_FACTORY))
#define GST_ELEMENT_FACTORY_CAST(obj) ((GstElementFactory *)(obj))
/**
* The opaque #GstElementFactory data structure.
*/
struct _GstElementFactory {
- GstPluginFeature parent;
+ GstPluginFeature parent;
- GType type; /* unique GType of element or 0 if not loaded */
+ GType type; /* unique GType of element or 0 if not loaded */
- GstElementDetails details;
+ gpointer metadata;
- GList * staticpadtemplates;
- guint numpadtemplates;
+ GList * staticpadtemplates; /* GstStaticPadTemplate list */
+ guint numpadtemplates;
/* URI interface stuff */
- guint uri_type;
- gchar ** uri_protocols;
+ guint uri_type;
+ gchar ** uri_protocols;
- GList * interfaces; /* interfaces this element implements */
+ GList * interfaces; /* interface type names this element implements */
+ /*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
gpointer _gst_reserved[GST_PADDING];
};
-GType gst_element_factory_get_type (void);
+GType gst_element_factory_get_type (void);
-GstElementFactory * gst_element_factory_find (const gchar *name);
+GstElementFactory * gst_element_factory_find (const gchar *name);
-GType gst_element_factory_get_element_type (GstElementFactory *factory);
-G_CONST_RETURN gchar * gst_element_factory_get_longname (GstElementFactory *factory);
-G_CONST_RETURN gchar * gst_element_factory_get_klass (GstElementFactory *factory);
-G_CONST_RETURN gchar * gst_element_factory_get_description (GstElementFactory *factory);
-G_CONST_RETURN gchar * gst_element_factory_get_author (GstElementFactory *factory);
-guint gst_element_factory_get_num_pad_templates (GstElementFactory *factory);
-G_CONST_RETURN GList * gst_element_factory_get_static_pad_templates (GstElementFactory *factory);
-gint gst_element_factory_get_uri_type (GstElementFactory *factory);
-gchar ** gst_element_factory_get_uri_protocols (GstElementFactory *factory);
+GType gst_element_factory_get_element_type (GstElementFactory *factory);
-GstElement* gst_element_factory_create (GstElementFactory *factory,
- const gchar *name);
-GstElement* gst_element_factory_make (const gchar *factoryname, const gchar *name);
+G_CONST_RETURN gchar * gst_element_factory_get_metadata (GstElementFactory *factory, const gchar *key);
+guint gst_element_factory_get_num_pad_templates (GstElementFactory *factory);
+G_CONST_RETURN GList * gst_element_factory_get_static_pad_templates (GstElementFactory *factory);
+
+gint gst_element_factory_get_uri_type (GstElementFactory *factory);
+gchar ** gst_element_factory_get_uri_protocols (GstElementFactory *factory);
+
+gboolean gst_element_factory_has_interface (GstElementFactory *factory,
+ const gchar *interfacename);
+
+GstElement* gst_element_factory_create (GstElementFactory *factory,
+ const gchar *name);
+GstElement* gst_element_factory_make (const gchar *factoryname, const gchar *name);
+
+/* FIXME 0.11: move these two into our private headers */
void __gst_element_factory_add_static_pad_template (GstElementFactory *elementfactory,
GstStaticPadTemplate *templ);
void __gst_element_factory_add_interface (GstElementFactory *elementfactory,
const gchar *interfacename);
-gboolean gst_element_register (GstPlugin *plugin, const gchar *name,
- guint rank, GType type);
+gboolean gst_element_register (GstPlugin *plugin, const gchar *name,
+ guint rank, GType type);
+
+/* Factory list functions */
+
+/**
+ * GstFactoryListType:
+ * @GST_ELEMENT_FACTORY_TYPE_DECODER: Decoder elements
+ * @GST_ELEMENT_FACTORY_TYPE_ENCODER: Encoder elements
+ * @GST_ELEMENT_FACTORY_TYPE_SINK: Sink elements
+ * @GST_ELEMENT_FACTORY_TYPE_SRC: Source elements
+ * @GST_ELEMENT_FACTORY_TYPE_MUXER: Muxer elements
+ * @GST_ELEMENT_FACTORY_TYPE_DEMUXER: Demuxer elements
+ * @GST_ELEMENT_FACTORY_TYPE_PARSER: Parser elements
+ * @GST_ELEMENT_FACTORY_TYPE_PAYLOADER: Payloader elements
+ * @GST_ELEMENT_FACTORY_TYPE_DEPAYLOADER: Depayloader elements
+ * @GST_ELEMENT_FACTORY_TYPE_MAX_ELEMENTS: Private, do not use
+ * @GST_ELEMENT_FACTORY_TYPE_MEDIA_VIDEO: Elements handling video media types
+ * @GST_ELEMENT_FACTORY_TYPE_MEDIA_AUDIO: Elements handling audio media types
+ * @GST_ELEMENT_FACTORY_TYPE_MEDIA_IMAGE: Elements handling image media types
+ * @GST_ELEMENT_FACTORY_TYPE_MEDIA_SUBTITLE: Elements handling subtitle media types
+ * @GST_ELEMENT_FACTORY_TYPE_MEDIA_METADATA: Elements handling metadata media types
+ *
+ * The type of #GstElementFactory to filter.
+ *
+ * All @GstFactoryListType up to @GST_ELEMENT_FACTORY_TYPE_MAX_ELEMENTS are exclusive.
+ *
+ * If one or more of the MEDIA types are specified, then only elements
+ * matching the specified media types will be selected.
+ *
+ * Since: 0.10.31
+ */
+
+typedef guint64 GstElementFactoryListType;
+
+#define GST_ELEMENT_FACTORY_TYPE_DECODER (G_GUINT64_CONSTANT (1) << 0)
+#define GST_ELEMENT_FACTORY_TYPE_ENCODER (G_GUINT64_CONSTANT (1) << 1)
+#define GST_ELEMENT_FACTORY_TYPE_SINK (G_GUINT64_CONSTANT (1) << 2)
+#define GST_ELEMENT_FACTORY_TYPE_SRC (G_GUINT64_CONSTANT (1) << 3)
+#define GST_ELEMENT_FACTORY_TYPE_MUXER (G_GUINT64_CONSTANT (1) << 4)
+#define GST_ELEMENT_FACTORY_TYPE_DEMUXER (G_GUINT64_CONSTANT (1) << 5)
+#define GST_ELEMENT_FACTORY_TYPE_PARSER (G_GUINT64_CONSTANT (1) << 6)
+#define GST_ELEMENT_FACTORY_TYPE_PAYLOADER (G_GUINT64_CONSTANT (1) << 7)
+#define GST_ELEMENT_FACTORY_TYPE_DEPAYLOADER (G_GUINT64_CONSTANT (1) << 8)
+#define GST_ELEMENT_FACTORY_TYPE_FORMATTER (G_GUINT64_CONSTANT (1) << 9)
+#define GST_ELEMENT_FACTORY_TYPE_MAX_ELEMENTS (G_GUINT64_CONSTANT (1) << 48)
+#define GST_ELEMENT_FACTORY_TYPE_MEDIA_VIDEO (G_GUINT64_CONSTANT (1) << 49)
+#define GST_ELEMENT_FACTORY_TYPE_MEDIA_AUDIO (G_GUINT64_CONSTANT (1) << 50)
+#define GST_ELEMENT_FACTORY_TYPE_MEDIA_IMAGE (G_GUINT64_CONSTANT (1) << 51)
+#define GST_ELEMENT_FACTORY_TYPE_MEDIA_SUBTITLE (G_GUINT64_CONSTANT (1) << 52)
+#define GST_ELEMENT_FACTORY_TYPE_MEDIA_METADATA (G_GUINT64_CONSTANT (1) << 53)
+/**
+ * GST_ELEMENT_FACTORY_TYPE_ANY:
+ *
+ * Elements of any of the defined GST_ELEMENT_FACTORY_LIST types
+ *
+ * Since: 0.10.31
+ */
+#define GST_ELEMENT_FACTORY_TYPE_ANY ((G_GUINT64_CONSTANT (1) << 49) - 1)
+
+/**
+ * GST_ELEMENT_FACTORY_TYPE_MEDIA_ANY:
+ *
+ * Elements matching any of the defined GST_ELEMENT_FACTORY_TYPE_MEDIA types
+ *
+ * Note: Do not use this if you wish to not filter against any of the defined
+ * media types. If you wish to do this, simply don't specify any
+ * GST_ELEMENT_FACTORY_TYPE_MEDIA flag.
+ *
+ * Since: 0.10.31
+ */
+#define GST_ELEMENT_FACTORY_TYPE_MEDIA_ANY (~G_GUINT64_CONSTANT (0) << 48)
+
+/**
+ * GST_ELEMENT_FACTORY_TYPE_VIDEO_ENCODER:
+ *
+ * All encoders handling video or image media types
+ *
+ * Since: 0.10.31
+ */
+#define GST_ELEMENT_FACTORY_TYPE_VIDEO_ENCODER (GST_ELEMENT_FACTORY_TYPE_ENCODER | GST_ELEMENT_FACTORY_TYPE_MEDIA_VIDEO | GST_ELEMENT_FACTORY_TYPE_MEDIA_IMAGE)
+
+/**
+ * GST_ELEMENT_FACTORY_TYPE_AUDIO_ENCODER:
+ *
+ * All encoders handling audio media types
+ *
+ * Since: 0.10.31
+ */
+#define GST_ELEMENT_FACTORY_TYPE_AUDIO_ENCODER (GST_ELEMENT_FACTORY_TYPE_ENCODER | GST_ELEMENT_FACTORY_TYPE_MEDIA_AUDIO)
+
+/**
+ * GST_ELEMENT_FACTORY_TYPE_AUDIOVIDEO_SINKS:
+ *
+ * All sinks handling audio, video or image media types
+ *
+ * Since: 0.10.31
+ */
+#define GST_ELEMENT_FACTORY_TYPE_AUDIOVIDEO_SINKS (GST_ELEMENT_FACTORY_TYPE_SINK | GST_ELEMENT_FACTORY_TYPE_MEDIA_AUDIO | GST_ELEMENT_FACTORY_TYPE_MEDIA_VIDEO | GST_ELEMENT_FACTORY_TYPE_MEDIA_IMAGE)
+
+/**
+ * GST_ELEMENT_FACTORY_TYPE_DECODABLE:
+ *
+ * All elements used to 'decode' streams (decoders, demuxers, parsers, depayloaders)
+ *
+ * Since: 0.10.31
+ */
+#define GST_ELEMENT_FACTORY_TYPE_DECODABLE \
+ (GST_ELEMENT_FACTORY_TYPE_DECODER | GST_ELEMENT_FACTORY_TYPE_DEMUXER | GST_ELEMENT_FACTORY_TYPE_DEPAYLOADER | GST_ELEMENT_FACTORY_TYPE_PARSER)
+
+/* Element klass defines */
+#define GST_ELEMENT_FACTORY_KLASS_DECODER "Decoder"
+#define GST_ELEMENT_FACTORY_KLASS_ENCODER "Encoder"
+#define GST_ELEMENT_FACTORY_KLASS_SINK "Sink"
+#define GST_ELEMENT_FACTORY_KLASS_SRC "Source"
+#define GST_ELEMENT_FACTORY_KLASS_MUXER "Muxer"
+#define GST_ELEMENT_FACTORY_KLASS_DEMUXER "Demuxer"
+#define GST_ELEMENT_FACTORY_KLASS_PARSER "Parser"
+#define GST_ELEMENT_FACTORY_KLASS_PAYLOADER "Payloader"
+#define GST_ELEMENT_FACTORY_KLASS_DEPAYLOADER "Depayloader"
+#define GST_ELEMENT_FACTORY_KLASS_FORMATTER "Formatter"
+
+#define GST_ELEMENT_FACTORY_KLASS_MEDIA_VIDEO "Video"
+#define GST_ELEMENT_FACTORY_KLASS_MEDIA_AUDIO "Audio"
+#define GST_ELEMENT_FACTORY_KLASS_MEDIA_IMAGE "Image"
+#define GST_ELEMENT_FACTORY_KLASS_MEDIA_SUBTITLE "Subtitle"
+#define GST_ELEMENT_FACTORY_KLASS_MEDIA_METADATA "Metadata"
+
+gboolean gst_element_factory_list_is_type (GstElementFactory *factory,
+ GstElementFactoryListType type);
+
+GList * gst_element_factory_list_get_elements (GstElementFactoryListType type,
+ GstRank minrank);
+
+
+GList * gst_element_factory_list_filter (GList *list, const GstCaps *caps,
+ GstPadDirection direction,
+ gboolean subsetonly);
G_END_DECLS
#endif /* __GST_ELEMENT_FACTORY_H__ */
projects / platform / upstream / gstreamer.git / blobdiff