/* GStreamer

 *

 * Copyright (C) 2014 Samsung Electronics. All rights reserved.

 *   Author: Thiago Santos <ts.santos@sisa.samsung.com>

 *

 * gstflowcombiner.h: utility to combine multiple flow returns into a single one

 *

 * 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.

 */

#ifndef __GST_FLOW_COMBINER_H__

#define __GST_FLOW_COMBINER_H__

#include <glib.h>

#include <gst/gst.h>

#include <gst/base/base-prelude.h>

G_BEGIN_DECLS

#define GST_TYPE_FLOW_COMBINER gst_flow_combiner_get_type()

/**

 * GstFlowCombiner:

 *

 * Opaque helper structure to aggregate flow returns.

 *

 * Since: 1.4

 */

typedef struct _GstFlowCombiner GstFlowCombiner;

GST_BASE_API

GstFlowCombiner * gst_flow_combiner_new (void);

GST_BASE_API

GstFlowCombiner * gst_flow_combiner_ref (GstFlowCombiner * combiner);

GST_BASE_API

void              gst_flow_combiner_unref (GstFlowCombiner * combiner);

GST_BASE_API

void              gst_flow_combiner_free (GstFlowCombiner * combiner);

GST_BASE_API

GstFlowReturn     gst_flow_combiner_update_flow (GstFlowCombiner * combiner, GstFlowReturn fret);

GST_BASE_API

GstFlowReturn     gst_flow_combiner_update_pad_flow (GstFlowCombiner * combiner, GstPad * pad,

                                                     GstFlowReturn fret);

GST_BASE_API

void              gst_flow_combiner_add_pad    (GstFlowCombiner * combiner, GstPad * pad);

GST_BASE_API

void              gst_flow_combiner_remove_pad (GstFlowCombiner * combiner, GstPad * pad);

GST_BASE_API

void              gst_flow_combiner_clear (GstFlowCombiner * combiner);

GST_BASE_API

void              gst_flow_combiner_reset (GstFlowCombiner * combiner);

GST_BASE_API

GType             gst_flow_combiner_get_type (void);

#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC

G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstFlowCombiner, gst_flow_combiner_free)

#endif

G_END_DECLS

#endif /* __GST_FLOW_COMBINER_H__ */