2 * Copyright (C) 2004 Thomas Vander Stichele <thomas at apestaart dot org>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
20 #ifndef __GST_ERROR_H__
21 #define __GST_ERROR_H__
24 #include <glib-object.h>
29 * we define FIXME error domains:
35 * Check GError API docs for rationale for naming.
39 * @GST_CORE_ERROR_FAILED: a general error which doesn't fit in any other
40 * category. Make sure you add a custom message to the error call.
41 * @GST_CORE_ERROR_TOO_LAZY: do not use this except as a placeholder for
42 * deciding where to go while developing code.
43 * @GST_CORE_ERROR_NOT_IMPLEMENTED: use this when you do not want to implement
44 * this functionality yet.
45 * @GST_CORE_ERROR_STATE_CHANGE: used for state change errors.
46 * @GST_CORE_ERROR_PAD: used for pad-related errors.
47 * @GST_CORE_ERROR_THREAD: used for thread-related errors.
48 * @GST_CORE_ERROR_NEGOTIATION: used for negotiation-related errors.
49 * @GST_CORE_ERROR_EVENT: used for event-related errors.
50 * @GST_CORE_ERROR_SEEK: used for seek-related errors.
51 * @GST_CORE_ERROR_CAPS: used for caps-related errors.
52 * @GST_CORE_ERROR_TAG: used for negotiation-related errors.
53 * @GST_CORE_ERROR_MISSING_PLUGIN: used if a plugin is missing.
54 * @GST_CORE_ERROR_CLOCK: used for clock related errors.
55 * @GST_CORE_ERROR_NUM_ERRORS: the number of core error types.
57 * Core errors are errors inside the core GStreamer library.
59 /* FIXME: should we divide in numerical blocks so we can easily add
60 for example PAD errors later ? */
63 GST_CORE_ERROR_FAILED = 1,
64 GST_CORE_ERROR_TOO_LAZY,
65 GST_CORE_ERROR_NOT_IMPLEMENTED,
66 GST_CORE_ERROR_STATE_CHANGE,
68 GST_CORE_ERROR_THREAD,
69 GST_CORE_ERROR_NEGOTIATION,
74 GST_CORE_ERROR_MISSING_PLUGIN,
76 GST_CORE_ERROR_NUM_ERRORS
81 * @GST_LIBRARY_ERROR_FAILED: a general error which doesn't fit in any other
82 * category. Make sure you add a custom message to the error call.
83 * @GST_LIBRARY_ERROR_TOO_LAZY: do not use this except as a placeholder for
84 * deciding where to go while developing code.
85 * @GST_LIBRARY_ERROR_INIT: used when the library could not be opened.
86 * @GST_LIBRARY_ERROR_SHUTDOWN: used when the library could not be closed.
87 * @GST_LIBRARY_ERROR_SETTINGS: used when the library doesn't accept settings.
88 * @GST_LIBRARY_ERROR_ENCODE: used when the library generated an encoding error.
89 * @GST_LIBRARY_ERROR_NUM_ERRORS: the number of library error types.
91 * Library errors are for errors from the library being used by elements
92 * (initializing, finalizing, settings, ...)
96 GST_LIBRARY_ERROR_FAILED = 1,
97 GST_LIBRARY_ERROR_TOO_LAZY,
98 GST_LIBRARY_ERROR_INIT,
99 GST_LIBRARY_ERROR_SHUTDOWN,
100 GST_LIBRARY_ERROR_SETTINGS,
101 GST_LIBRARY_ERROR_ENCODE,
102 GST_LIBRARY_ERROR_NUM_ERRORS
107 * @GST_RESOURCE_ERROR_FAILED: a general error which doesn't fit in any other
108 * category. Make sure you add a custom message to the error call.
109 * @GST_RESOURCE_ERROR_TOO_LAZY: do not use this except as a placeholder for
110 * deciding where to go while developing code.
111 * @GST_RESOURCE_ERROR_NOT_FOUND: used when the resource could not be found.
112 * @GST_RESOURCE_ERROR_BUSY: used when resource is busy.
113 * @GST_RESOURCE_ERROR_OPEN_READ: used when resource fails to open for reading.
114 * @GST_RESOURCE_ERROR_OPEN_WRITE: used when resource fails to open for writing.
115 * @GST_RESOURCE_ERROR_OPEN_READ_WRITE: used when resource cannot be opened for
116 * both reading and writing, or either (but unspecified which).
117 * @GST_RESOURCE_ERROR_CLOSE: used when the resource can't be closed.
118 * @GST_RESOURCE_ERROR_READ: used when the resource can't be read from.
119 * @GST_RESOURCE_ERROR_WRITE: used when the resource can't be written to.
120 * @GST_RESOURCE_ERROR_SEEK: used when a seek on the resource fails.
121 * @GST_RESOURCE_ERROR_SYNC: used when a synchronize on the resource fails.
122 * @GST_RESOURCE_ERROR_SETTINGS: used when settings can't be manipulated on.
123 * @GST_RESOURCE_ERROR_NO_SPACE_LEFT: used when the resource has no space left.
124 * @GST_RESOURCE_ERROR_NUM_ERRORS: the number of library error types.
126 * Resource errors are for any resource used by an element:
127 * memory, files, network connections, process space, ...
128 * They're typically used by source and sink elements.
132 GST_RESOURCE_ERROR_FAILED = 1,
133 GST_RESOURCE_ERROR_TOO_LAZY,
134 GST_RESOURCE_ERROR_NOT_FOUND,
135 GST_RESOURCE_ERROR_BUSY,
136 GST_RESOURCE_ERROR_OPEN_READ,
137 GST_RESOURCE_ERROR_OPEN_WRITE,
138 GST_RESOURCE_ERROR_OPEN_READ_WRITE,
139 GST_RESOURCE_ERROR_CLOSE,
140 GST_RESOURCE_ERROR_READ,
141 GST_RESOURCE_ERROR_WRITE,
142 GST_RESOURCE_ERROR_SEEK,
143 GST_RESOURCE_ERROR_SYNC,
144 GST_RESOURCE_ERROR_SETTINGS,
145 GST_RESOURCE_ERROR_NO_SPACE_LEFT,
146 GST_RESOURCE_ERROR_NUM_ERRORS
151 * @GST_STREAM_ERROR_FAILED: a general error which doesn't fit in any other
152 * category. Make sure you add a custom message to the error call.
153 * @GST_STREAM_ERROR_TOO_LAZY: do not use this except as a placeholder for
154 * deciding where to go while developing code.
155 * @GST_STREAM_ERROR_NOT_IMPLEMENTED: use this when you do not want to implement
156 * this functionality yet.
157 * @GST_STREAM_ERROR_TYPE_NOT_FOUND: used when the element doesn't know the
159 * @GST_STREAM_ERROR_WRONG_TYPE: used when the element doesn't handle this type
161 * @GST_STREAM_ERROR_CODEC_NOT_FOUND: used when there's no codec to handle the
163 * @GST_STREAM_ERROR_DECODE: used when decoding fails.
164 * @GST_STREAM_ERROR_ENCODE: used when encoding fails.
165 * @GST_STREAM_ERROR_DEMUX: used when demuxing fails.
166 * @GST_STREAM_ERROR_MUX: used when muxing fails.
167 * @GST_STREAM_ERROR_FORMAT: used when the stream is of the wrong format
168 * (for example, wrong caps).
169 * @GST_STREAM_ERROR_NUM_ERRORS: the number of library error types.
171 * Stream errors are for anything related to the stream being processed:
172 * format errors, media type errors, ...
173 * They're typically used by decoders, demuxers, converters, ...
177 GST_STREAM_ERROR_FAILED = 1,
178 GST_STREAM_ERROR_TOO_LAZY,
179 GST_STREAM_ERROR_NOT_IMPLEMENTED,
180 GST_STREAM_ERROR_TYPE_NOT_FOUND,
181 GST_STREAM_ERROR_WRONG_TYPE,
182 GST_STREAM_ERROR_CODEC_NOT_FOUND,
183 GST_STREAM_ERROR_DECODE,
184 GST_STREAM_ERROR_ENCODE,
185 GST_STREAM_ERROR_DEMUX,
186 GST_STREAM_ERROR_MUX,
187 GST_STREAM_ERROR_FORMAT,
188 GST_STREAM_ERROR_NUM_ERRORS
191 #define GST_TYPE_G_ERROR (gst_g_error_get_type ())
196 * Error domain for library loading. Errors in this domain will
197 * be from the #GstLibraryError enumeration.
198 * See #GError for information on error domains.
200 #define GST_LIBRARY_ERROR gst_library_error_quark ()
202 * GST_RESOURCE_ERROR:
204 * Error domain for resource handling. Errors in this domain will
205 * be from the #GstResourceError enumeration.
206 * See #GError for information on error domains.
208 #define GST_RESOURCE_ERROR gst_resource_error_quark ()
212 * Error domain for core system. Errors in this domain will
213 * be from the #GstCoreError enumeration.
214 * See #GError for information on error domains.
216 #define GST_CORE_ERROR gst_core_error_quark ()
220 * Error domain for media stream processing. Errors in this domain will
221 * be from the #GstStreamError enumeration.
222 * See #GError for information on error domains.
224 #define GST_STREAM_ERROR gst_stream_error_quark ()
229 * Builds a string using errno describing the previously failed system
230 * call. To be used as the debug argument in #GST_ELEMENT_ERROR.
232 #define GST_ERROR_SYSTEM ("system error: %s", g_strerror (errno))
234 GType gst_g_error_get_type (void);
235 gchar *gst_error_get_message (GQuark domain, gint code);
236 GQuark gst_stream_error_quark (void);
237 GQuark gst_core_error_quark (void);
238 GQuark gst_resource_error_quark (void);
239 GQuark gst_library_error_quark (void);
242 #endif /* __GST_ERROR_H__ */