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Original commit message from CVS: * gst-libs/gst/utils/Makefile.am: * gst-libs/gst/utils/base-utils.h: * gst-libs/gst/utils/install-plugins.c: (gst_install_plugins_context_set_xid), (gst_install_plugins_context_new), (gst_install_plugins_context_free), (gst_install_plugins_get_helper), (gst_install_plugins_spawn_child), (gst_install_plugins_return_from_status), (gst_install_plugins_installer_exited), (gst_install_plugins_async), (gst_install_plugins_sync), (gst_install_plugins_return_get_name), (gst_install_plugins_installation_in_progress): * gst-libs/gst/utils/install-plugins.h: API: add API for applications to initiate installation of missing plugins, ie. gst_install_plugins_async() primarily. Based on libgimme-codec by Ryan Lortie. * configure.ac: Add --with-install-plugins-helper configure option so distros can specify the path of the helper script or program to call when plugin installation is requested (distros: please do any argument munging in this helper script instead of patching GStreamer to pass arguments differently to another program directly). * docs/libs/gst-plugins-base-libs-docs.sgml: * docs/libs/gst-plugins-base-libs-sections.txt: Build and document new API. * tests/check/libs/utils.c: (result_cb), (test_base_utils_install_plugins_do_callout), (GST_START_TEST), (libgstbaseutils_suite): Some simple checks for the new API.
137 lines
5.7 KiB
C
137 lines
5.7 KiB
C
/* GStreamer base utils library plugin install support for applications
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* Copyright (C) 2007 Tim-Philipp Müller <tim centricular net>
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* Copyright (C) 2006 Ryan Lortie <desrt desrt ca>
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_BASE_UTILS_INSTALL_PLUGINS_H__
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#define __GST_BASE_UTILS_INSTALL_PLUGINS_H__
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#include <glib.h>
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G_BEGIN_DECLS
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/*
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* functions for use by applications to initiate installation of missing plugins
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*/
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/**
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* GstInstallPluginsReturn:
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* @GST_INSTALL_PLUGINS_SUCCESS: all of the requested plugins could be
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* installed
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* @GST_INSTALL_PLUGINS_NOT_FOUND: no appropriate installation candidate for
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* any of the requested plugins could be found. Only return this if nothing
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* has been installed. Return #GST_INSTALL_PLUGINS_PARTIAL_SUCCESS if
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* some (but not all) of the requested plugins could be installed.
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* @GST_INSTALL_PLUGINS_ERROR: an error occured during the installation. If
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* this happens, the user has already seen an error message and another
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* one should not be displayed
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* @GST_INSTALL_PLUGINS_CRASHED: the installer had an unclean exit code
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* (ie. death by signal)
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* @GST_INSTALL_PLUGINS_PARTIAL_SUCCESS: some of the requested plugins could
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* be installed, but not all
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* @GST_INSTALL_PLUGINS_USER_ABORT: the user has aborted the installation
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* @GST_INSTALL_PLUGINS_INVALID: the helper returned an invalid status code
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* @GST_INSTALL_PLUGINS_STARTED_OK: returned by gst_install_plugins_async() to
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* indicate that everything went fine so far and the provided callback
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* will be called with the result of the installation later
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* @GST_INSTALL_PLUGINS_INTERNAL_FAILURE: some internal failure has
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* occured when trying to start the installer
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* @GST_INSTALL_PLUGINS_HELPER_MISSING: the helper script to call the
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* actual installer is not installed
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* @GST_INSTALL_PLUGINS_INSTALL_IN_PROGRESS: a previously-started plugin
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* installation is still in progress, try again later
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*
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* Result codes returned by gst_install_plugins_async() and
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* gst_install_plugins_sync(), and also the result code passed to the
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* #GstInstallPluginsResultFunc specified with gst_install_plugin_async().
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*
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* These codes indicate success or failure of starting an external installer
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* program and to what extent the requested plugins could be installed.
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*
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* Since: 0.10.12
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*/
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typedef enum {
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/* Return codes from the installer. Returned by gst_install_plugins_sync(),
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* or passed as result code to your #GstInstallPluginsResultFunc */
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GST_INSTALL_PLUGINS_SUCCESS = 0,
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GST_INSTALL_PLUGINS_NOT_FOUND = 1,
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GST_INSTALL_PLUGINS_ERROR = 2,
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GST_INSTALL_PLUGINS_PARTIAL_SUCCESS = 3,
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GST_INSTALL_PLUGINS_USER_ABORT = 4,
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/* Returned by gst_install_plugins_sync(), or passed as result code to your
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* #GstInstallPluginsResultFunc */
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GST_INSTALL_PLUGINS_CRASHED = 100,
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GST_INSTALL_PLUGINS_INVALID,
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/* Return codes from starting the external helper, may be returned by both
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* gst_install_plugins_sync() and gst_install_plugins_async(), but should
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* never be seen by a #GstInstallPluginsResultFunc */
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GST_INSTALL_PLUGINS_STARTED_OK = 200,
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GST_INSTALL_PLUGINS_INTERNAL_FAILURE,
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GST_INSTALL_PLUGINS_HELPER_MISSING,
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GST_INSTALL_PLUGINS_INSTALL_IN_PROGRESS
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} GstInstallPluginsReturn;
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/**
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* GstInstallPluginsContext:
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*
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* Opaque context structure for the plugin installation. Use the provided
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* API to set details on it.
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*
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* Since: 0.10.12
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*/
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typedef struct _GstInstallPluginsContext GstInstallPluginsContext;
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GstInstallPluginsContext * gst_install_plugins_context_new (void);
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void gst_install_plugins_context_free (GstInstallPluginsContext * ctx);
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void gst_install_plugins_context_set_xid (GstInstallPluginsContext * ctx,
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guint xid);
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/**
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* GstInstallPluginsResultFunc:
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* @result: whether the installation of the requested plugins succeeded or not
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* @user_data: the user data passed to gst_install_plugins_async()
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*
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* The prototype of the callback function that will be called once the
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* external plugin installer program has returned. You only need to provide
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* a callback function if you are using the asynchronous interface.
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*
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* Since: 0.10.12
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*/
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typedef void (*GstInstallPluginsResultFunc) (GstInstallPluginsReturn result,
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gpointer user_data);
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GstInstallPluginsReturn gst_install_plugins_async (gchar ** details,
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GstInstallPluginsContext * ctx,
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GstInstallPluginsResultFunc func,
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gpointer user_data);
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GstInstallPluginsReturn gst_install_plugins_sync (gchar ** details,
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GstInstallPluginsContext * ctx);
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const gchar * gst_install_plugins_return_get_name (GstInstallPluginsReturn ret);
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gboolean gst_install_plugins_installation_in_progress (void);
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G_END_DECLS
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#endif /* __GST_BASE_UTILS_INSTALL_PLUGINS_H__ */
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