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b4645e277b
Remove class-to-interface-struct cast macros which don't work, don't make sense, and in some cases wouldn't even compile if used. Removal should be ok seeing that code which uses any of these is broken and bound to crash. Fixes #565607. API: remove GST_IMPLEMENTS_INTERFACE_CLASS API: remove GST_IS_IMPLEMENTS_INTERFACE_CLASS API: remove GST_URI_HANDLER_CLASS
154 lines
5 KiB
C
154 lines
5 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gsturi.h: Header for uri to element mappings
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_URI_H__
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#define __GST_URI_H__
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#include <glib.h>
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#include <gst/gstelement.h>
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#include <gst/gstpluginfeature.h>
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G_BEGIN_DECLS
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/**
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* GstURIType:
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* @GST_URI_UNKNOWN : The URI direction is unknown
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* @GST_URI_SINK : The URI is a consumer.
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* @GST_URI_SRC : The URI is a producer.
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*
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* The different types of URI direction.
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*/
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typedef enum {
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GST_URI_UNKNOWN,
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GST_URI_SINK,
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GST_URI_SRC
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} GstURIType;
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/**
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* GST_URI_TYPE_IS_VALID:
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* @type: A #GstURIType
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*
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* Tests if the type direction is valid.
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*/
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#define GST_URI_TYPE_IS_VALID(type) ((type) == GST_URI_SRC || (type) == GST_URI_SINK)
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/* uri handler functions */
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#define GST_TYPE_URI_HANDLER (gst_uri_handler_get_type ())
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#define GST_URI_HANDLER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_URI_HANDLER, GstURIHandler))
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#define GST_IS_URI_HANDLER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_URI_HANDLER))
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#define GST_URI_HANDLER_GET_INTERFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GST_TYPE_URI_HANDLER, GstURIHandlerInterface))
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/**
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* GstURIHandler:
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*
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* Opaque #GstURIHandler structure.
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*/
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typedef struct _GstURIHandler GstURIHandler;
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typedef struct _GstURIHandlerInterface GstURIHandlerInterface;
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/**
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* GstURIHandlerInterface:
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* @parent: The parent interface type
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* @get_type: Method to tell whether the element handles source or sink URI.
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* @get_protocols: Method to return the list of protocols handled by the element.
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* @get_uri: Method to return the URI currently handled by the element.
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* @set_uri: Method to set a new URI.
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* @get_type_full: Variant of get_type which takes a GType argument. This is
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* for use by bindings that need to pass context when creating a URI Handler. * If implemented, get_type will be used in preference to get_type_full.
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* Since: 0.10.15
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* @get_protocols_full: Variant of get_type which takes a GType argument.
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* This is for use by bindings that need to pass context when creating a URI
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* Handler. If implemented, get_protocols will be used in preference to
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* get_protocols_full.
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* Since: 0.10.15
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*
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* #GstElements using this interface should implement these methods.
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*/
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struct _GstURIHandlerInterface {
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GTypeInterface parent;
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/*< private >*/
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/* signals */
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void (* new_uri) (GstURIHandler * handler,
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const gchar * uri);
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/* idea for the future ?
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gboolean (* require_password) (GstURIHandler * handler,
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gchar ** username,
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gchar ** password);
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*/
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/* vtable */
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/*< public >*/
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/* querying capabilities */
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GstURIType (* get_type) (void);
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gchar ** (* get_protocols) (void);
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/* using the interface */
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G_CONST_RETURN gchar *(* get_uri) (GstURIHandler * handler);
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gboolean (* set_uri) (GstURIHandler * handler,
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const gchar * uri);
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GstURIType (* get_type_full) (GType type);
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gchar ** (* get_protocols_full) (GType type);
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/*< private >*/
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/* we might want to add functions here to query features,
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* someone with gnome-vfs knowledge go ahead */
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gpointer _gst_reserved[GST_PADDING - 2];
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};
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/* general URI functions */
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gboolean gst_uri_protocol_is_valid (const gchar * protocol);
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gboolean gst_uri_protocol_is_supported (const GstURIType type,
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const gchar *protocol);
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gboolean gst_uri_is_valid (const gchar * uri);
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gchar * gst_uri_get_protocol (const gchar * uri);
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gboolean gst_uri_has_protocol (const gchar * uri,
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const gchar * protocol);
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gchar * gst_uri_get_location (const gchar * uri);
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gchar * gst_uri_construct (const gchar * protocol,
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const gchar * location);
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GstElement * gst_element_make_from_uri (const GstURIType type,
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const gchar * uri,
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const gchar * elementname);
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/* accessing the interface */
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GType gst_uri_handler_get_type (void);
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guint gst_uri_handler_get_uri_type (GstURIHandler * handler);
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gchar ** gst_uri_handler_get_protocols (GstURIHandler * handler);
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G_CONST_RETURN
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gchar * gst_uri_handler_get_uri (GstURIHandler * handler);
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gboolean gst_uri_handler_set_uri (GstURIHandler * handler,
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const gchar * uri);
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void gst_uri_handler_new_uri (GstURIHandler * handler,
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const gchar * uri);
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G_END_DECLS
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#endif /* __GST_URI_H__ */
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