1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
|
/* GStreamer
* Copyright (C) 2004 Thomas Vander Stichele <thomas at apestaart dot org>
*
* 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_ERROR_H__
#define __GST_ERROR_H__
#include <glib.h>
#include <glib-object.h>
#include <errno.h>
G_BEGIN_DECLS
/*
* we define FIXME error domains:
* GST_CORE_ERROR
* GST_LIBRARY_ERROR
* GST_RESOURCE_ERROR
* GST_STREAM_ERROR
*
* Check GError API docs for rationale for naming.
*/
/**
* GstCoreError:
* @GST_CORE_ERROR_FAILED: a general error which doesn't fit in any other
* category. Make sure you add a custom message to the error call.
* @GST_CORE_ERROR_TOO_LAZY: do not use this except as a placeholder for
* deciding where to go while developing code.
* @GST_CORE_ERROR_NOT_IMPLEMENTED: use this when you do not want to implement
* this functionality yet.
* @GST_CORE_ERROR_STATE_CHANGE: used for state change errors.
* @GST_CORE_ERROR_PAD: used for pad-related errors.
* @GST_CORE_ERROR_THREAD: used for thread-related errors.
* @GST_CORE_ERROR_NEGOTIATION: used for negotiation-related errors.
* @GST_CORE_ERROR_EVENT: used for event-related errors.
* @GST_CORE_ERROR_SEEK: used for seek-related errors.
* @GST_CORE_ERROR_CAPS: used for caps-related errors.
* @GST_CORE_ERROR_TAG: used for negotiation-related errors.
* @GST_CORE_ERROR_MISSING_PLUGIN: used if a plugin is missing.
* @GST_CORE_ERROR_CLOCK: used for clock related errors.
* @GST_CORE_ERROR_DISABLED: used if functionality has been disabled at
* compile time.
* @GST_CORE_ERROR_NUM_ERRORS: the number of core error types.
*
* Core errors are errors inside the core GStreamer library.
*/
/* FIXME: should we divide in numerical blocks so we can easily add
for example PAD errors later ? */
typedef enum
{
GST_CORE_ERROR_FAILED = 1,
GST_CORE_ERROR_TOO_LAZY,
GST_CORE_ERROR_NOT_IMPLEMENTED,
GST_CORE_ERROR_STATE_CHANGE,
GST_CORE_ERROR_PAD,
GST_CORE_ERROR_THREAD,
GST_CORE_ERROR_NEGOTIATION,
GST_CORE_ERROR_EVENT,
GST_CORE_ERROR_SEEK,
GST_CORE_ERROR_CAPS,
GST_CORE_ERROR_TAG,
GST_CORE_ERROR_MISSING_PLUGIN,
GST_CORE_ERROR_CLOCK,
GST_CORE_ERROR_DISABLED,
GST_CORE_ERROR_NUM_ERRORS
} GstCoreError;
/**
* GstLibraryError:
* @GST_LIBRARY_ERROR_FAILED: a general error which doesn't fit in any other
* category. Make sure you add a custom message to the error call.
* @GST_LIBRARY_ERROR_TOO_LAZY: do not use this except as a placeholder for
* deciding where to go while developing code.
* @GST_LIBRARY_ERROR_INIT: used when the library could not be opened.
* @GST_LIBRARY_ERROR_SHUTDOWN: used when the library could not be closed.
* @GST_LIBRARY_ERROR_SETTINGS: used when the library doesn't accept settings.
* @GST_LIBRARY_ERROR_ENCODE: used when the library generated an encoding error.
* @GST_LIBRARY_ERROR_NUM_ERRORS: the number of library error types.
*
* Library errors are for errors from the library being used by elements
* (initializing, finalizing, settings, ...)
*/
typedef enum
{
GST_LIBRARY_ERROR_FAILED = 1,
GST_LIBRARY_ERROR_TOO_LAZY,
GST_LIBRARY_ERROR_INIT,
GST_LIBRARY_ERROR_SHUTDOWN,
GST_LIBRARY_ERROR_SETTINGS,
GST_LIBRARY_ERROR_ENCODE,
GST_LIBRARY_ERROR_NUM_ERRORS
} GstLibraryError;
/**
* GstResourceError:
* @GST_RESOURCE_ERROR_FAILED: a general error which doesn't fit in any other
* category. Make sure you add a custom message to the error call.
* @GST_RESOURCE_ERROR_TOO_LAZY: do not use this except as a placeholder for
* deciding where to go while developing code.
* @GST_RESOURCE_ERROR_NOT_FOUND: used when the resource could not be found.
* @GST_RESOURCE_ERROR_BUSY: used when resource is busy.
* @GST_RESOURCE_ERROR_OPEN_READ: used when resource fails to open for reading.
* @GST_RESOURCE_ERROR_OPEN_WRITE: used when resource fails to open for writing.
* @GST_RESOURCE_ERROR_OPEN_READ_WRITE: used when resource cannot be opened for
* both reading and writing, or either (but unspecified which).
* @GST_RESOURCE_ERROR_CLOSE: used when the resource can't be closed.
* @GST_RESOURCE_ERROR_READ: used when the resource can't be read from.
* @GST_RESOURCE_ERROR_WRITE: used when the resource can't be written to.
* @GST_RESOURCE_ERROR_SEEK: used when a seek on the resource fails.
* @GST_RESOURCE_ERROR_SYNC: used when a synchronize on the resource fails.
* @GST_RESOURCE_ERROR_SETTINGS: used when settings can't be manipulated on.
* @GST_RESOURCE_ERROR_NO_SPACE_LEFT: used when the resource has no space left.
* @GST_RESOURCE_ERROR_NOT_AUTHORIZED: used when the resource can't be opened
* due to missing authorization.
* Since: 1.2.4
* @GST_RESOURCE_ERROR_NUM_ERRORS: the number of resource error types.
*
* Resource errors are for any resource used by an element:
* memory, files, network connections, process space, ...
* They're typically used by source and sink elements.
*/
typedef enum
{
GST_RESOURCE_ERROR_FAILED = 1,
GST_RESOURCE_ERROR_TOO_LAZY,
GST_RESOURCE_ERROR_NOT_FOUND,
GST_RESOURCE_ERROR_BUSY,
GST_RESOURCE_ERROR_OPEN_READ,
GST_RESOURCE_ERROR_OPEN_WRITE,
GST_RESOURCE_ERROR_OPEN_READ_WRITE,
GST_RESOURCE_ERROR_CLOSE,
GST_RESOURCE_ERROR_READ,
GST_RESOURCE_ERROR_WRITE,
GST_RESOURCE_ERROR_SEEK,
GST_RESOURCE_ERROR_SYNC,
GST_RESOURCE_ERROR_SETTINGS,
GST_RESOURCE_ERROR_NO_SPACE_LEFT,
GST_RESOURCE_ERROR_NOT_AUTHORIZED,
GST_RESOURCE_ERROR_NUM_ERRORS
} GstResourceError;
/**
* GstStreamError:
* @GST_STREAM_ERROR_FAILED: a general error which doesn't fit in any other
* category. Make sure you add a custom message to the error call.
* @GST_STREAM_ERROR_TOO_LAZY: do not use this except as a placeholder for
* deciding where to go while developing code.
* @GST_STREAM_ERROR_NOT_IMPLEMENTED: use this when you do not want to implement
* this functionality yet.
* @GST_STREAM_ERROR_TYPE_NOT_FOUND: used when the element doesn't know the
* stream's type.
* @GST_STREAM_ERROR_WRONG_TYPE: used when the element doesn't handle this type
* of stream.
* @GST_STREAM_ERROR_CODEC_NOT_FOUND: used when there's no codec to handle the
* stream's type.
* @GST_STREAM_ERROR_DECODE: used when decoding fails.
* @GST_STREAM_ERROR_ENCODE: used when encoding fails.
* @GST_STREAM_ERROR_DEMUX: used when demuxing fails.
* @GST_STREAM_ERROR_MUX: used when muxing fails.
* @GST_STREAM_ERROR_FORMAT: used when the stream is of the wrong format
* (for example, wrong caps).
* @GST_STREAM_ERROR_DECRYPT: used when the stream is encrypted and can't be
* decrypted because this is not supported by the element.
* @GST_STREAM_ERROR_DECRYPT_NOKEY: used when the stream is encrypted and
* can't be decrypted because no suitable key is available.
* @GST_STREAM_ERROR_NUM_ERRORS: the number of stream error types.
*
* Stream errors are for anything related to the stream being processed:
* format errors, media type errors, ...
* They're typically used by decoders, demuxers, converters, ...
*/
typedef enum
{
GST_STREAM_ERROR_FAILED = 1,
GST_STREAM_ERROR_TOO_LAZY,
GST_STREAM_ERROR_NOT_IMPLEMENTED,
GST_STREAM_ERROR_TYPE_NOT_FOUND,
GST_STREAM_ERROR_WRONG_TYPE,
GST_STREAM_ERROR_CODEC_NOT_FOUND,
GST_STREAM_ERROR_DECODE,
GST_STREAM_ERROR_ENCODE,
GST_STREAM_ERROR_DEMUX,
GST_STREAM_ERROR_MUX,
GST_STREAM_ERROR_FORMAT,
GST_STREAM_ERROR_DECRYPT,
GST_STREAM_ERROR_DECRYPT_NOKEY,
GST_STREAM_ERROR_NUM_ERRORS
} GstStreamError;
/**
* GST_LIBRARY_ERROR:
*
* Error domain for library loading. Errors in this domain will
* be from the #GstLibraryError enumeration.
* See #GError for information on error domains.
*/
#define GST_LIBRARY_ERROR gst_library_error_quark ()
/**
* GST_RESOURCE_ERROR:
*
* Error domain for resource handling. Errors in this domain will
* be from the #GstResourceError enumeration.
* See #GError for information on error domains.
*/
#define GST_RESOURCE_ERROR gst_resource_error_quark ()
/**
* GST_CORE_ERROR:
*
* Error domain for core system. Errors in this domain will
* be from the #GstCoreError enumeration.
* See #GError for information on error domains.
*/
#define GST_CORE_ERROR gst_core_error_quark ()
/**
* GST_STREAM_ERROR:
*
* Error domain for media stream processing. Errors in this domain will
* be from the #GstStreamError enumeration.
* See #GError for information on error domains.
*/
#define GST_STREAM_ERROR gst_stream_error_quark ()
/**
* GST_ERROR_SYSTEM:
*
* Builds a string using errno describing the previously failed system
* call. To be used as the debug argument in #GST_ELEMENT_ERROR.
*/
#define GST_ERROR_SYSTEM ("system error: %s", g_strerror (errno))
gchar *gst_error_get_message (GQuark domain, gint code);
GQuark gst_stream_error_quark (void);
GQuark gst_core_error_quark (void);
GQuark gst_resource_error_quark (void);
GQuark gst_library_error_quark (void);
G_END_DECLS
#endif /* __GST_ERROR_H__ */
|
