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25f85868d4
Original commit message from CVS: implement URI schemes Elements can now register as a source or sink for a protocol and applications can use gst_element_make_from_uri () to get an element that handles a given URI. This patch provides: - removal of old broken URI handling scheme. - new URI handling using interfaces. - updates for registry to save handled URIs. - interface for URI handlers. - implementation of that in filesrc and filesink for the file:// URI - extension to pipeline parsing to allow specifying only a URI instead of element Does not include: - tests - inclusion in docs build
105 lines
3.5 KiB
C
105 lines
3.5 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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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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#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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#define GST_URI_HANDLER_CLASS(obj) (G_TYPE_CHECK_CLASS_CAST ((obj), GST_TYPE_URI_HANDLER, GstURIHandler))
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typedef struct _GstURIHandler GstURIHandler;
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typedef struct _GstURIHandlerInterface GstURIHandlerInterface;
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struct _GstURIHandlerInterface {
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GTypeInterface parent;
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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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/* 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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/* we might want to add functions here to query features, someone with gnome-vfs knowledge go ahead */
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GST_CLASS_PADDING
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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_is_valid (const gchar * uri);
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gchar * gst_uri_get_protocol (const gchar * uri);
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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 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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