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8983cce9f6
We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
261 lines
9.5 KiB
C
261 lines
9.5 KiB
C
/* GStreamer
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* Copyright (C) 2004 Thomas Vander Stichele <thomas at apestaart dot org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_ERROR_H__
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#define __GST_ERROR_H__
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#include <glib.h>
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#include <glib-object.h>
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#include <errno.h>
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G_BEGIN_DECLS
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/*
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* we define FIXME error domains:
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* GST_CORE_ERROR
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* GST_LIBRARY_ERROR
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* GST_RESOURCE_ERROR
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* GST_STREAM_ERROR
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*
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* Check GError API docs for rationale for naming.
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*/
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/**
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* GstCoreError:
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* @GST_CORE_ERROR_FAILED: a general error which doesn't fit in any other
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* category. Make sure you add a custom message to the error call.
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* @GST_CORE_ERROR_TOO_LAZY: do not use this except as a placeholder for
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* deciding where to go while developing code.
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* @GST_CORE_ERROR_NOT_IMPLEMENTED: use this when you do not want to implement
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* this functionality yet.
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* @GST_CORE_ERROR_STATE_CHANGE: used for state change errors.
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* @GST_CORE_ERROR_PAD: used for pad-related errors.
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* @GST_CORE_ERROR_THREAD: used for thread-related errors.
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* @GST_CORE_ERROR_NEGOTIATION: used for negotiation-related errors.
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* @GST_CORE_ERROR_EVENT: used for event-related errors.
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* @GST_CORE_ERROR_SEEK: used for seek-related errors.
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* @GST_CORE_ERROR_CAPS: used for caps-related errors.
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* @GST_CORE_ERROR_TAG: used for negotiation-related errors.
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* @GST_CORE_ERROR_MISSING_PLUGIN: used if a plugin is missing.
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* @GST_CORE_ERROR_CLOCK: used for clock related errors.
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* @GST_CORE_ERROR_DISABLED: used if functionality has been disabled at
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* compile time.
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* @GST_CORE_ERROR_NUM_ERRORS: the number of core error types.
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*
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* Core errors are errors inside the core GStreamer library.
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*/
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/* FIXME: should we divide in numerical blocks so we can easily add
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for example PAD errors later ? */
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typedef enum
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{
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GST_CORE_ERROR_FAILED = 1,
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GST_CORE_ERROR_TOO_LAZY,
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GST_CORE_ERROR_NOT_IMPLEMENTED,
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GST_CORE_ERROR_STATE_CHANGE,
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GST_CORE_ERROR_PAD,
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GST_CORE_ERROR_THREAD,
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GST_CORE_ERROR_NEGOTIATION,
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GST_CORE_ERROR_EVENT,
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GST_CORE_ERROR_SEEK,
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GST_CORE_ERROR_CAPS,
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GST_CORE_ERROR_TAG,
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GST_CORE_ERROR_MISSING_PLUGIN,
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GST_CORE_ERROR_CLOCK,
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GST_CORE_ERROR_DISABLED,
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GST_CORE_ERROR_NUM_ERRORS
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} GstCoreError;
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/**
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* GstLibraryError:
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* @GST_LIBRARY_ERROR_FAILED: a general error which doesn't fit in any other
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* category. Make sure you add a custom message to the error call.
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* @GST_LIBRARY_ERROR_TOO_LAZY: do not use this except as a placeholder for
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* deciding where to go while developing code.
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* @GST_LIBRARY_ERROR_INIT: used when the library could not be opened.
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* @GST_LIBRARY_ERROR_SHUTDOWN: used when the library could not be closed.
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* @GST_LIBRARY_ERROR_SETTINGS: used when the library doesn't accept settings.
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* @GST_LIBRARY_ERROR_ENCODE: used when the library generated an encoding error.
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* @GST_LIBRARY_ERROR_NUM_ERRORS: the number of library error types.
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*
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* Library errors are for errors from the library being used by elements
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* (initializing, finalizing, settings, ...)
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*/
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typedef enum
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{
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GST_LIBRARY_ERROR_FAILED = 1,
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GST_LIBRARY_ERROR_TOO_LAZY,
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GST_LIBRARY_ERROR_INIT,
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GST_LIBRARY_ERROR_SHUTDOWN,
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GST_LIBRARY_ERROR_SETTINGS,
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GST_LIBRARY_ERROR_ENCODE,
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GST_LIBRARY_ERROR_NUM_ERRORS
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} GstLibraryError;
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/**
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* GstResourceError:
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* @GST_RESOURCE_ERROR_FAILED: a general error which doesn't fit in any other
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* category. Make sure you add a custom message to the error call.
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* @GST_RESOURCE_ERROR_TOO_LAZY: do not use this except as a placeholder for
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* deciding where to go while developing code.
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* @GST_RESOURCE_ERROR_NOT_FOUND: used when the resource could not be found.
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* @GST_RESOURCE_ERROR_BUSY: used when resource is busy.
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* @GST_RESOURCE_ERROR_OPEN_READ: used when resource fails to open for reading.
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* @GST_RESOURCE_ERROR_OPEN_WRITE: used when resource fails to open for writing.
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* @GST_RESOURCE_ERROR_OPEN_READ_WRITE: used when resource cannot be opened for
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* both reading and writing, or either (but unspecified which).
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* @GST_RESOURCE_ERROR_CLOSE: used when the resource can't be closed.
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* @GST_RESOURCE_ERROR_READ: used when the resource can't be read from.
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* @GST_RESOURCE_ERROR_WRITE: used when the resource can't be written to.
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* @GST_RESOURCE_ERROR_SEEK: used when a seek on the resource fails.
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* @GST_RESOURCE_ERROR_SYNC: used when a synchronize on the resource fails.
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* @GST_RESOURCE_ERROR_SETTINGS: used when settings can't be manipulated on.
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* @GST_RESOURCE_ERROR_NO_SPACE_LEFT: used when the resource has no space left.
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* @GST_RESOURCE_ERROR_NOT_AUTHORIZED: used when the resource can't be opened
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* due to missing authorization.
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* (Since 1.2.4)
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* @GST_RESOURCE_ERROR_NUM_ERRORS: the number of resource error types.
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*
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* Resource errors are for any resource used by an element:
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* memory, files, network connections, process space, ...
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* They're typically used by source and sink elements.
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*/
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typedef enum
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{
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GST_RESOURCE_ERROR_FAILED = 1,
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GST_RESOURCE_ERROR_TOO_LAZY,
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GST_RESOURCE_ERROR_NOT_FOUND,
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GST_RESOURCE_ERROR_BUSY,
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GST_RESOURCE_ERROR_OPEN_READ,
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GST_RESOURCE_ERROR_OPEN_WRITE,
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GST_RESOURCE_ERROR_OPEN_READ_WRITE,
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GST_RESOURCE_ERROR_CLOSE,
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GST_RESOURCE_ERROR_READ,
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GST_RESOURCE_ERROR_WRITE,
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GST_RESOURCE_ERROR_SEEK,
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GST_RESOURCE_ERROR_SYNC,
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GST_RESOURCE_ERROR_SETTINGS,
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GST_RESOURCE_ERROR_NO_SPACE_LEFT,
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GST_RESOURCE_ERROR_NOT_AUTHORIZED,
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GST_RESOURCE_ERROR_NUM_ERRORS
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} GstResourceError;
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/**
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* GstStreamError:
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* @GST_STREAM_ERROR_FAILED: a general error which doesn't fit in any other
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* category. Make sure you add a custom message to the error call.
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* @GST_STREAM_ERROR_TOO_LAZY: do not use this except as a placeholder for
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* deciding where to go while developing code.
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* @GST_STREAM_ERROR_NOT_IMPLEMENTED: use this when you do not want to implement
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* this functionality yet.
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* @GST_STREAM_ERROR_TYPE_NOT_FOUND: used when the element doesn't know the
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* stream's type.
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* @GST_STREAM_ERROR_WRONG_TYPE: used when the element doesn't handle this type
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* of stream.
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* @GST_STREAM_ERROR_CODEC_NOT_FOUND: used when there's no codec to handle the
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* stream's type.
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* @GST_STREAM_ERROR_DECODE: used when decoding fails.
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* @GST_STREAM_ERROR_ENCODE: used when encoding fails.
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* @GST_STREAM_ERROR_DEMUX: used when demuxing fails.
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* @GST_STREAM_ERROR_MUX: used when muxing fails.
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* @GST_STREAM_ERROR_FORMAT: used when the stream is of the wrong format
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* (for example, wrong caps).
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* @GST_STREAM_ERROR_DECRYPT: used when the stream is encrypted and can't be
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* decrypted because this is not supported by the element.
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* @GST_STREAM_ERROR_DECRYPT_NOKEY: used when the stream is encrypted and
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* can't be decrypted because no suitable key is available.
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* @GST_STREAM_ERROR_NUM_ERRORS: the number of stream error types.
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*
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* Stream errors are for anything related to the stream being processed:
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* format errors, media type errors, ...
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* They're typically used by decoders, demuxers, converters, ...
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*/
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typedef enum
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{
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GST_STREAM_ERROR_FAILED = 1,
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GST_STREAM_ERROR_TOO_LAZY,
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GST_STREAM_ERROR_NOT_IMPLEMENTED,
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GST_STREAM_ERROR_TYPE_NOT_FOUND,
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GST_STREAM_ERROR_WRONG_TYPE,
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GST_STREAM_ERROR_CODEC_NOT_FOUND,
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GST_STREAM_ERROR_DECODE,
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GST_STREAM_ERROR_ENCODE,
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GST_STREAM_ERROR_DEMUX,
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GST_STREAM_ERROR_MUX,
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GST_STREAM_ERROR_FORMAT,
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GST_STREAM_ERROR_DECRYPT,
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GST_STREAM_ERROR_DECRYPT_NOKEY,
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GST_STREAM_ERROR_NUM_ERRORS
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} GstStreamError;
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/**
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* GST_LIBRARY_ERROR:
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*
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* Error domain for library loading. Errors in this domain will
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* be from the #GstLibraryError enumeration.
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* See #GError for information on error domains.
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*/
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#define GST_LIBRARY_ERROR gst_library_error_quark ()
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/**
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* GST_RESOURCE_ERROR:
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*
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* Error domain for resource handling. Errors in this domain will
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* be from the #GstResourceError enumeration.
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* See #GError for information on error domains.
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*/
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#define GST_RESOURCE_ERROR gst_resource_error_quark ()
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/**
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* GST_CORE_ERROR:
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*
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* Error domain for core system. Errors in this domain will
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* be from the #GstCoreError enumeration.
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* See #GError for information on error domains.
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*/
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#define GST_CORE_ERROR gst_core_error_quark ()
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/**
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* GST_STREAM_ERROR:
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*
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* Error domain for media stream processing. Errors in this domain will
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* be from the #GstStreamError enumeration.
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* See #GError for information on error domains.
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*/
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#define GST_STREAM_ERROR gst_stream_error_quark ()
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/**
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* GST_ERROR_SYSTEM:
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*
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* Builds a string using errno describing the previously failed system
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* call. To be used as the debug argument in #GST_ELEMENT_ERROR.
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*/
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#define GST_ERROR_SYSTEM ("system error: %s", g_strerror (errno))
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GST_API
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gchar *gst_error_get_message (GQuark domain, gint code);
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GST_API
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GQuark gst_stream_error_quark (void);
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GST_API
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GQuark gst_core_error_quark (void);
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GST_API
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GQuark gst_resource_error_quark (void);
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GST_API
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GQuark gst_library_error_quark (void);
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G_END_DECLS
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#endif /* __GST_ERROR_H__ */
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