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/* 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__ */
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