1/* GStreamer
2 *
3 * Copyright (C) 2014 Samsung Electronics. All rights reserved.
4 * Author: Thiago Santos <ts.santos@sisa.samsung.com>
5 *
6 * gstflowcombiner.h: utility to combine multiple flow returns into a single one
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 */
23
24
25#ifndef __GST_FLOW_COMBINER_H__
26#define __GST_FLOW_COMBINER_H__
27
28#include <glib.h>
29#include <gst/gst.h>
30#include <gst/base/base-prelude.h>
31
32G_BEGIN_DECLS
33
34#define GST_TYPE_FLOW_COMBINER gst_flow_combiner_get_type()
35
36/**
37 * GstFlowCombiner:
38 *
39 * Opaque helper structure to aggregate flow returns.
40 *
41 * Since: 1.4
42 */
43typedef struct _GstFlowCombiner GstFlowCombiner;
44
45GST_BASE_API
46GstFlowCombiner * gst_flow_combiner_new (void);
47
48GST_BASE_API
49GstFlowCombiner * gst_flow_combiner_ref (GstFlowCombiner * combiner);
50
51GST_BASE_API
52void gst_flow_combiner_unref (GstFlowCombiner * combiner);
53
54GST_BASE_API
55void gst_flow_combiner_free (GstFlowCombiner * combiner);
56
57GST_BASE_API
58GstFlowReturn gst_flow_combiner_update_flow (GstFlowCombiner * combiner, GstFlowReturn fret);
59
60GST_BASE_API
61GstFlowReturn gst_flow_combiner_update_pad_flow (GstFlowCombiner * combiner, GstPad * pad,
62 GstFlowReturn fret);
63GST_BASE_API
64void gst_flow_combiner_add_pad (GstFlowCombiner * combiner, GstPad * pad);
65
66GST_BASE_API
67void gst_flow_combiner_remove_pad (GstFlowCombiner * combiner, GstPad * pad);
68
69GST_BASE_API
70void gst_flow_combiner_clear (GstFlowCombiner * combiner);
71
72GST_BASE_API
73void gst_flow_combiner_reset (GstFlowCombiner * combiner);
74
75GST_BASE_API
76GType gst_flow_combiner_get_type (void);
77
78#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
79G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstFlowCombiner, gst_flow_combiner_free)
80#endif
81
82G_END_DECLS
83
84#endif /* __GST_FLOW_COMBINER_H__ */
85