| /* GStreamer |
| * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> |
| * 2000 Wim Taymans <wtay@chello.be> |
| * 2014 David Waring, British Broadcasting Corporation |
| * <david.waring@rd.bbc.co.uk> |
| * |
| * gsturi.h: Header for uri to element mappings and URI manipulation. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public |
| * License along with this library; if not, write to the |
| * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| |
| #ifndef __GST_URI_H__ |
| #define __GST_URI_H__ |
| |
| #include <glib.h> |
| #include <glib-object.h> |
| |
| G_BEGIN_DECLS |
| |
| GQuark gst_uri_error_quark (void); |
| |
| /** |
| * GST_URI_ERROR: |
| * |
| * Get access to the error quark of the uri subsystem. |
| */ |
| #define GST_URI_ERROR gst_uri_error_quark () |
| |
| /** |
| * GstURIError: |
| * @GST_URI_ERROR_UNSUPPORTED_PROTOCOL: The protocol is not supported |
| * @GST_URI_ERROR_BAD_URI: There was a problem with the URI |
| * @GST_URI_ERROR_BAD_STATE: Could not set or change the URI because the |
| * URI handler was in a state where that is not possible or not permitted |
| * @GST_URI_ERROR_BAD_REFERENCE: There was a problem with the entity that |
| * the URI references |
| * |
| * Different URI-related errors that can occur. |
| */ |
| typedef enum |
| { |
| GST_URI_ERROR_UNSUPPORTED_PROTOCOL, |
| GST_URI_ERROR_BAD_URI, |
| GST_URI_ERROR_BAD_STATE, |
| GST_URI_ERROR_BAD_REFERENCE |
| } GstURIError; |
| |
| /** |
| * GstURIType: |
| * @GST_URI_UNKNOWN: The URI direction is unknown |
| * @GST_URI_SINK: The URI is a consumer. |
| * @GST_URI_SRC: The URI is a producer. |
| * |
| * The different types of URI direction. |
| */ |
| |
| typedef enum { |
| GST_URI_UNKNOWN, |
| GST_URI_SINK, |
| GST_URI_SRC |
| } GstURIType; |
| |
| /** |
| * GST_URI_TYPE_IS_VALID: |
| * @type: A #GstURIType |
| * |
| * Tests if the type direction is valid. |
| */ |
| #define GST_URI_TYPE_IS_VALID(type) ((type) == GST_URI_SRC || (type) == GST_URI_SINK) |
| |
| /* uri handler functions */ |
| #define GST_TYPE_URI_HANDLER (gst_uri_handler_get_type ()) |
| #define GST_URI_HANDLER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_URI_HANDLER, GstURIHandler)) |
| #define GST_IS_URI_HANDLER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_URI_HANDLER)) |
| #define GST_URI_HANDLER_GET_INTERFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GST_TYPE_URI_HANDLER, GstURIHandlerInterface)) |
| |
| /** |
| * GstURIHandler: |
| * |
| * Opaque #GstURIHandler structure. |
| */ |
| typedef struct _GstURIHandler GstURIHandler; |
| typedef struct _GstURIHandlerInterface GstURIHandlerInterface; |
| |
| #include <gst/gstelement.h> |
| #include <gst/gstconfig.h> |
| #include "gstminiobject.h" |
| |
| /** |
| * GstURIHandlerInterface: |
| * @parent: The parent interface type |
| * @get_type: Method to tell whether the element handles source or sink URI. |
| * @get_protocols: Method to return the list of protocols handled by the element. |
| * @get_uri: Method to return the URI currently handled by the element. |
| * @set_uri: Method to set a new URI. |
| * |
| * Any #GstElement using this interface should implement these methods. |
| */ |
| struct _GstURIHandlerInterface { |
| GTypeInterface parent; |
| |
| /* vtable */ |
| /*< public >*/ |
| /* querying capabilities */ |
| GstURIType (* get_type) (GType type); |
| const gchar * const * (* get_protocols) (GType type); |
| |
| /* using the interface */ |
| gchar * (* get_uri) (GstURIHandler * handler); |
| gboolean (* set_uri) (GstURIHandler * handler, |
| const gchar * uri, |
| GError ** error); |
| }; |
| |
| /* general URI functions */ |
| |
| gboolean gst_uri_protocol_is_valid (const gchar * protocol); |
| gboolean gst_uri_protocol_is_supported (const GstURIType type, |
| const gchar *protocol); |
| gboolean gst_uri_is_valid (const gchar * uri); |
| gchar * gst_uri_get_protocol (const gchar * uri) G_GNUC_MALLOC; |
| gboolean gst_uri_has_protocol (const gchar * uri, |
| const gchar * protocol); |
| gchar * gst_uri_get_location (const gchar * uri) G_GNUC_MALLOC; |
| gchar * gst_uri_construct (const gchar * protocol, |
| const gchar * location) G_GNUC_MALLOC; |
| |
| gchar * gst_filename_to_uri (const gchar * filename, |
| GError ** error) G_GNUC_MALLOC; |
| |
| GstElement * gst_element_make_from_uri (const GstURIType type, |
| const gchar * uri, |
| const gchar * elementname, |
| GError ** error) G_GNUC_MALLOC; |
| |
| /* accessing the interface */ |
| GType gst_uri_handler_get_type (void); |
| |
| GstURIType gst_uri_handler_get_uri_type (GstURIHandler * handler); |
| const gchar * const * gst_uri_handler_get_protocols (GstURIHandler * handler); |
| gchar * gst_uri_handler_get_uri (GstURIHandler * handler) G_GNUC_MALLOC; |
| gboolean gst_uri_handler_set_uri (GstURIHandler * handler, |
| const gchar * uri, |
| GError ** error); |
| |
| /* |
| * GstUri Type macros. |
| */ |
| #define GST_TYPE_URI (gst_uri_get_type ()) |
| #define GST_IS_URI(obj) (GST_IS_MINI_OBJECT_TYPE (obj, GST_TYPE_URI)) |
| #define GST_URI_CAST(obj) ((GstUri *)(obj)) |
| #define GST_URI_CONST_CAST(obj) ((const GstUri *)(obj)) |
| #define GST_URI(obj) (GST_URI_CAST(obj)) |
| |
| /** |
| * GstUri: |
| * |
| * This is a private structure that holds the various parts of a parsed URI. |
| */ |
| struct _GstUri; |
| typedef struct _GstUri GstUri; |
| |
| /** |
| * GST_URI_NO_PORT: |
| * |
| * Value for #GstUri<!-- -->.port to indicate no port number. |
| */ |
| #define GST_URI_NO_PORT 0 |
| |
| /* used by GST_TYPE_URI */ |
| GType gst_uri_get_type (void); |
| |
| /* |
| * Method definitions. |
| */ |
| |
| GstUri * gst_uri_new (const gchar * scheme, |
| const gchar * userinfo, |
| const gchar * host, |
| guint port, |
| const gchar * path, |
| const gchar * query, |
| const gchar * fragment) G_GNUC_MALLOC; |
| GstUri * gst_uri_new_with_base (GstUri * base, |
| const gchar * scheme, |
| const gchar * userinfo, |
| const gchar * host, |
| guint port, |
| const gchar * path, |
| const gchar * query, |
| const gchar * fragment) G_GNUC_MALLOC; |
| GstUri * gst_uri_from_string (const gchar * uri) G_GNUC_MALLOC; |
| GstUri * gst_uri_from_string_with_base (GstUri * base, |
| const gchar * uri) G_GNUC_MALLOC; |
| gboolean gst_uri_equal (const GstUri * first, |
| const GstUri * second); |
| GstUri * gst_uri_join (GstUri * base_uri, |
| GstUri * ref_uri) G_GNUC_WARN_UNUSED_RESULT; |
| gchar * gst_uri_join_strings (const gchar * base_uri, |
| const gchar * ref_uri) G_GNUC_MALLOC; |
| gboolean gst_uri_is_writable (const GstUri * uri); |
| GstUri * gst_uri_make_writable (GstUri * uri) G_GNUC_WARN_UNUSED_RESULT; |
| gchar * gst_uri_to_string (const GstUri * uri) G_GNUC_MALLOC; |
| gboolean gst_uri_is_normalized (const GstUri * uri); |
| gboolean gst_uri_normalize (GstUri * uri); |
| const gchar * gst_uri_get_scheme (const GstUri * uri); |
| gboolean gst_uri_set_scheme (GstUri * uri, const gchar * scheme); |
| const gchar * gst_uri_get_userinfo (const GstUri * uri); |
| gboolean gst_uri_set_userinfo (GstUri * uri, const gchar * userinfo); |
| const gchar * gst_uri_get_host (const GstUri * uri); |
| gboolean gst_uri_set_host (GstUri * uri, const gchar * host); |
| guint gst_uri_get_port (const GstUri * uri); |
| gboolean gst_uri_set_port (GstUri * uri, guint port); |
| gchar * gst_uri_get_path (const GstUri * uri); |
| gboolean gst_uri_set_path (GstUri * uri, const gchar * path); |
| gchar * gst_uri_get_path_string (const GstUri * uri); |
| gboolean gst_uri_set_path_string (GstUri * uri, const gchar * path); |
| GList * gst_uri_get_path_segments (const GstUri * uri); |
| gboolean gst_uri_set_path_segments (GstUri * uri, GList * path_segments); |
| gboolean gst_uri_append_path (GstUri * uri, |
| const gchar * relative_path); |
| gboolean gst_uri_append_path_segment (GstUri * uri, |
| const gchar * path_segment); |
| gchar * gst_uri_get_query_string (const GstUri * uri); |
| gboolean gst_uri_set_query_string (GstUri * uri, const gchar * query); |
| GHashTable * gst_uri_get_query_table (const GstUri * uri); |
| gboolean gst_uri_set_query_table (GstUri * uri, |
| GHashTable * query_table); |
| gboolean gst_uri_set_query_value (GstUri * uri, const gchar * query_key, |
| const gchar * query_value); |
| gboolean gst_uri_remove_query_key (GstUri * uri, const gchar * query_key); |
| gboolean gst_uri_query_has_key (const GstUri * uri, |
| const gchar * query_key); |
| const gchar * gst_uri_get_query_value (const GstUri * uri, |
| const gchar * query_key); |
| GList * gst_uri_get_query_keys (const GstUri * uri); |
| const gchar * gst_uri_get_fragment (const GstUri * uri); |
| gboolean gst_uri_set_fragment (GstUri * uri, const gchar * fragment); |
| GHashTable * gst_uri_get_media_fragment_table (const GstUri * uri); |
| |
| /** |
| * gst_uri_copy: |
| * @uri: This #GstUri object. |
| * |
| * Create a new #GstUri object with the same data as this #GstUri object. |
| * If @uri is %NULL then returns %NULL. |
| * |
| * Returns: (transfer full): A new #GstUri object which is a copy of this |
| * #GstUri or %NULL. |
| */ |
| static inline GstUri * |
| gst_uri_copy (const GstUri * uri) |
| { |
| return GST_URI_CAST (gst_mini_object_copy (GST_MINI_OBJECT_CONST_CAST (uri))); |
| } |
| |
| /** |
| * gst_uri_ref: |
| * @uri: (transfer none): This #GstUri object. |
| * |
| * Add a reference to this #GstUri object. See gst_mini_object_ref() for further |
| * info. |
| * |
| * Returns: This object with the reference count incremented. |
| */ |
| static inline GstUri * |
| gst_uri_ref (GstUri * uri) |
| { |
| return GST_URI_CAST (gst_mini_object_ref (GST_MINI_OBJECT_CAST (uri))); |
| } |
| |
| /** |
| * gst_uri_unref: |
| * @uri: (transfer full): This #GstUri object. |
| * |
| * Decrement the reference count to this #GstUri object. |
| * |
| * If the reference count drops to 0 then finalize this object. |
| * |
| * See gst_mini_object_unref() for further info. |
| */ |
| static inline void |
| gst_uri_unref (GstUri * uri) |
| { |
| gst_mini_object_unref (GST_MINI_OBJECT_CAST (uri)); |
| } |
| |
| #ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC |
| G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstUri, gst_uri_unref) |
| #endif |
| |
| G_END_DECLS |
| |
| #endif /* __GST_URI_H__ */ |
