gstreamer/gst-libs/gst/pbutils/install-plugins.h
2012-07-13 12:11:06 +02:00

138 lines
5.9 KiB
C

/* GStreamer base utils library plugin install support for applications
* Copyright (C) 2007 Tim-Philipp Müller <tim centricular net>
* Copyright (C) 2006 Ryan Lortie <desrt desrt ca>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_PB_UTILS_INSTALL_PLUGINS_H__
#define __GST_PB_UTILS_INSTALL_PLUGINS_H__
#include <glib-object.h>
G_BEGIN_DECLS
/*
* functions for use by applications to initiate installation of missing plugins
*/
/**
* GstInstallPluginsReturn:
* @GST_INSTALL_PLUGINS_SUCCESS: all of the requested plugins could be
* installed
* @GST_INSTALL_PLUGINS_NOT_FOUND: no appropriate installation candidate for
* any of the requested plugins could be found. Only return this if nothing
* has been installed. Return #GST_INSTALL_PLUGINS_PARTIAL_SUCCESS if
* some (but not all) of the requested plugins could be installed.
* @GST_INSTALL_PLUGINS_ERROR: an error occured during the installation. If
* this happens, the user has already seen an error message and another
* one should not be displayed
* @GST_INSTALL_PLUGINS_CRASHED: the installer had an unclean exit code
* (ie. death by signal)
* @GST_INSTALL_PLUGINS_PARTIAL_SUCCESS: some of the requested plugins could
* be installed, but not all
* @GST_INSTALL_PLUGINS_USER_ABORT: the user has aborted the installation
* @GST_INSTALL_PLUGINS_INVALID: the helper returned an invalid status code
* @GST_INSTALL_PLUGINS_STARTED_OK: returned by gst_install_plugins_async() to
* indicate that everything went fine so far and the provided callback
* will be called with the result of the installation later
* @GST_INSTALL_PLUGINS_INTERNAL_FAILURE: some internal failure has
* occured when trying to start the installer
* @GST_INSTALL_PLUGINS_HELPER_MISSING: the helper script to call the
* actual installer is not installed
* @GST_INSTALL_PLUGINS_INSTALL_IN_PROGRESS: a previously-started plugin
* installation is still in progress, try again later
*
* Result codes returned by gst_install_plugins_async() and
* gst_install_plugins_sync(), and also the result code passed to the
* #GstInstallPluginsResultFunc specified with gst_install_plugins_async().
*
* These codes indicate success or failure of starting an external installer
* program and to what extent the requested plugins could be installed.
*/
typedef enum {
/* Return codes from the installer. Returned by gst_install_plugins_sync(),
* or passed as result code to your #GstInstallPluginsResultFunc */
GST_INSTALL_PLUGINS_SUCCESS = 0,
GST_INSTALL_PLUGINS_NOT_FOUND = 1,
GST_INSTALL_PLUGINS_ERROR = 2,
GST_INSTALL_PLUGINS_PARTIAL_SUCCESS = 3,
GST_INSTALL_PLUGINS_USER_ABORT = 4,
/* Returned by gst_install_plugins_sync(), or passed as result code to your
* #GstInstallPluginsResultFunc */
GST_INSTALL_PLUGINS_CRASHED = 100,
GST_INSTALL_PLUGINS_INVALID,
/* Return codes from starting the external helper, may be returned by both
* gst_install_plugins_sync() and gst_install_plugins_async(), but should
* never be seen by a #GstInstallPluginsResultFunc */
GST_INSTALL_PLUGINS_STARTED_OK = 200,
GST_INSTALL_PLUGINS_INTERNAL_FAILURE,
GST_INSTALL_PLUGINS_HELPER_MISSING,
GST_INSTALL_PLUGINS_INSTALL_IN_PROGRESS
} GstInstallPluginsReturn;
/**
* GstInstallPluginsContext:
*
* Opaque context structure for the plugin installation. Use the provided
* API to set details on it.
*/
#define GST_TYPE_INSTALL_PLUGINS_CONTEXT (gst_install_plugins_context_get_type())
typedef struct _GstInstallPluginsContext GstInstallPluginsContext;
GstInstallPluginsContext * gst_install_plugins_context_new (void);
void gst_install_plugins_context_free (GstInstallPluginsContext * ctx);
void gst_install_plugins_context_set_xid (GstInstallPluginsContext * ctx,
guint xid);
GType gst_install_plugins_context_get_type (void);
/**
* GstInstallPluginsResultFunc:
* @result: whether the installation of the requested plugins succeeded or not
* @user_data: the user data passed to gst_install_plugins_async()
*
* The prototype of the callback function that will be called once the
* external plugin installer program has returned. You only need to provide
* a callback function if you are using the asynchronous interface.
*/
typedef void (*GstInstallPluginsResultFunc) (GstInstallPluginsReturn result,
gpointer user_data);
GstInstallPluginsReturn gst_install_plugins_async (gchar ** details,
GstInstallPluginsContext * ctx,
GstInstallPluginsResultFunc func,
gpointer user_data);
GstInstallPluginsReturn gst_install_plugins_sync (gchar ** details,
GstInstallPluginsContext * ctx);
const gchar * gst_install_plugins_return_get_name (GstInstallPluginsReturn ret);
gboolean gst_install_plugins_installation_in_progress (void);
gboolean gst_install_plugins_supported (void);
G_END_DECLS
#endif /* __GST_PB_UTILS_INSTALL_PLUGINS_H__ */