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125 lines
3.5 KiB
C
125 lines
3.5 KiB
C
/* GStreamer Editing Services
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* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
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* 2009 Nokia Corporation
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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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#include <ges/ges.h>
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#include "ges-internal.h"
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#define GES_GNONLIN_VERSION_NEEDED_MAJOR 0
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#define GES_GNONLIN_VERSION_NEEDED_MINOR 11
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#define GES_GNONLIN_VERSION_NEEDED_MICRO 0
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GST_DEBUG_CATEGORY (_ges_debug);
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static gboolean ges_initialized = FALSE;
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/**
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* SECTION:ges-common
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* @short_description: Initialization.
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*/
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static gboolean
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ges_check_gnonlin_availability (void)
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{
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gboolean ret = TRUE;
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if (!gst_registry_check_feature_version (gst_registry_get (),
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"gnlcomposition", GES_GNONLIN_VERSION_NEEDED_MAJOR,
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GES_GNONLIN_VERSION_NEEDED_MINOR, GES_GNONLIN_VERSION_NEEDED_MICRO)) {
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GST_ERROR ("GNonLin plugins not found, or not at least version %u.%u.%u",
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GES_GNONLIN_VERSION_NEEDED_MAJOR, GES_GNONLIN_VERSION_NEEDED_MINOR,
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GES_GNONLIN_VERSION_NEEDED_MICRO);
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ret = FALSE;
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}
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return ret;
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}
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/**
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* ges_init:
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*
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* Initialize the GStreamer Editing Service. Call this before any usage of
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* GES. You should take care of initilizing GStreamer before calling this
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* function.
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*/
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gboolean
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ges_init (void)
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{
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/* initialize debugging category */
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GST_DEBUG_CATEGORY_INIT (_ges_debug, "ges", GST_DEBUG_FG_YELLOW,
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"GStreamer Editing Services");
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if (ges_initialized) {
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GST_DEBUG ("already initialized ges");
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return TRUE;
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}
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/* register timeline object classes with the system */
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GES_TYPE_TIMELINE_TEST_SOURCE;
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GES_TYPE_TIMELINE_FILE_SOURCE;
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GES_TYPE_TIMELINE_TITLE_SOURCE;
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GES_TYPE_TIMELINE_STANDARD_TRANSITION;
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GES_TYPE_TIMELINE_OVERLAY;
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/* register formatter types with the system */
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GES_TYPE_PITIVI_FORMATTER;
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GES_TYPE_XML_FORMATTER;
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/* Register track effect */
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GES_TYPE_TRACK_PARSE_LAUNCH_EFFECT;
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GES_TYPE_META_CONTAINER;
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ges_asset_cache_init ();
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/* check the gnonlin elements are available */
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if (!ges_check_gnonlin_availability ())
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return FALSE;
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/* TODO: user-defined types? */
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ges_initialized = TRUE;
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GST_DEBUG ("GStreamer Editing Services initialized");
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return TRUE;
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}
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/**
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* ges_version:
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* @major: (out): pointer to a guint to store the major version number
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* @minor: (out): pointer to a guint to store the minor version number
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* @micro: (out): pointer to a guint to store the micro version number
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* @nano: (out): pointer to a guint to store the nano version number
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*
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* Gets the version number of the GStreamer Editing Services library.
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*/
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void
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ges_version (guint * major, guint * minor, guint * micro, guint * nano)
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{
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g_return_if_fail (major);
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g_return_if_fail (minor);
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g_return_if_fail (micro);
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g_return_if_fail (nano);
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*major = GES_VERSION_MAJOR;
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*minor = GES_VERSION_MINOR;
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*micro = GES_VERSION_MICRO;
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*nano = GES_VERSION_NANO;
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}
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