2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wtay@chello.be>
5 * gstparse.h: get a pipeline from a text pipeline description
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
23 #ifndef __GST_PARSE_H__
24 #define __GST_PARSE_H__
26 #include <gst/gstelement.h>
30 GQuark gst_parse_error_quark (void);
34 * Get access to the error quark of the parse subsystem.
36 #define GST_PARSE_ERROR gst_parse_error_quark ()
40 * @GST_PARSE_ERROR_SYNTAX: A syntax error occured.
41 * @GST_PARSE_ERROR_NO_SUCH_ELEMENT: The description contained an unknown element
42 * @GST_PARSE_ERROR_NO_SUCH_PROPERTY: An element did not have a specified property
43 * @GST_PARSE_ERROR_LINK: There was an error linking two pads.
44 * @GST_PARSE_ERROR_COULD_NOT_SET_PROPERTY: There was an error setting a property
45 * @GST_PARSE_ERROR_EMPTY_BIN: An empty bin was specified.
46 * @GST_PARSE_ERROR_EMPTY: An empty description was specified
48 * The different parsing errors that can occur.
52 GST_PARSE_ERROR_SYNTAX,
53 GST_PARSE_ERROR_NO_SUCH_ELEMENT,
54 GST_PARSE_ERROR_NO_SUCH_PROPERTY,
56 GST_PARSE_ERROR_COULD_NOT_SET_PROPERTY,
57 GST_PARSE_ERROR_EMPTY_BIN,
63 * @GST_PARSE_FLAG_NONE: Do not use any special parsing options.
64 * @GST_PARSE_FLAG_FATAL_ERRORS: Always return NULL when an error occurs
65 * (default behaviour is to return partially constructed bins or elements
72 GST_PARSE_FLAG_NONE = 0,
73 GST_PARSE_FLAG_FATAL_ERRORS = (1 << 0)
76 #define GST_TYPE_PARSE_CONTEXT (gst_parse_context_get_type())
83 typedef struct _GstParseContext GstParseContext;
85 /* create, process and free a parse context */
87 GType gst_parse_context_get_type (void);
88 GstParseContext * gst_parse_context_new (void) G_GNUC_MALLOC;
90 gchar ** gst_parse_context_get_missing_elements (GstParseContext * context) G_GNUC_MALLOC;
92 void gst_parse_context_free (GstParseContext * context);
97 GstElement * gst_parse_launch (const gchar * pipeline_description,
98 GError ** error) G_GNUC_MALLOC;
100 GstElement * gst_parse_launchv (const gchar ** argv,
101 GError ** error) G_GNUC_MALLOC;
103 GstElement * gst_parse_launch_full (const gchar * pipeline_description,
104 GstParseContext * context,
106 GError ** error) G_GNUC_MALLOC;
108 GstElement * gst_parse_launchv_full (const gchar ** argv,
109 GstParseContext * context,
111 GError ** error) G_GNUC_MALLOC;
115 #endif /* __GST_PARSE_H__ */