/* GStreamer
 * Copyright (C) 2023 Collabora Ltd
 *
 * gstobjecttrackingmtd.h
 *
 * 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.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#ifndef __GST_ANALYTICS_OBJECT_TRACKING_MTD__
#define __GST_ANALYTICS_OBJECT_TRACKING_MTD__

#include <gst/gst.h>
#include <gst/analytics/analytics-meta-prelude.h>
#include <gst/analytics/gstanalyticsmeta.h>

G_BEGIN_DECLS
/**
 * GstAnalyticsTrackMtd:
 * @id: Instance identifier.
 * @meta: Instance of #GstAnalyticsRelationMeta where the analysis-metadata
 * identified by @id is stored.
 *
 * Handle containing data required to use gst_analytics_track_mtd APIs.
 * This type is generally expected to be allocated on the stack.
 *
 * Since: 1.24
 */
typedef struct _GstAnalyticsMtd GstAnalyticsTrackingMtd;

GST_ANALYTICS_META_API
GstAnalyticsMtdType gst_analytics_tracking_mtd_get_mtd_type (void);

GST_ANALYTICS_META_API
gboolean
gst_analytics_tracking_mtd_update_last_seen (GstAnalyticsTrackingMtd * instance,
    GstClockTime last_seen);

GST_ANALYTICS_META_API
gboolean gst_analytics_tracking_mtd_set_lost (GstAnalyticsTrackingMtd *
    instance);

GST_ANALYTICS_META_API
gboolean gst_analytics_tracking_mtd_get_info (const GstAnalyticsTrackingMtd
    * instance, guint64 * tracking_id, GstClockTime * tracking_first_seen,
    GstClockTime * tracking_last_seen, gboolean * tracking_lost);

GST_ANALYTICS_META_API
gboolean
gst_analytics_relation_meta_add_tracking_mtd (GstAnalyticsRelationMeta *
    instance, guint64 tracking_id, GstClockTime tracking_first_seen,
    GstAnalyticsTrackingMtd * trk_mtd);

GST_ANALYTICS_META_API
gboolean
gst_analytics_relation_meta_get_tracking_mtd (GstAnalyticsRelationMeta * meta,
    guint an_meta_id, GstAnalyticsTrackingMtd * rlt);


G_END_DECLS
#endif // __GST_ANALYTICS_OBJECT_TRACKING_MTD__