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