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 32 G_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 */ 43 typedef struct _GstFlowCombiner GstFlowCombiner; 44 45 GST_BASE_API 46 GstFlowCombiner * gst_flow_combiner_new (void); 47 48 GST_BASE_API 49 GstFlowCombiner * gst_flow_combiner_ref (GstFlowCombiner * combiner); 50 51 GST_BASE_API 52 void gst_flow_combiner_unref (GstFlowCombiner * combiner); 53 54 GST_BASE_API 55 void gst_flow_combiner_free (GstFlowCombiner * combiner); 56 57 GST_BASE_API 58 GstFlowReturn gst_flow_combiner_update_flow (GstFlowCombiner * combiner, GstFlowReturn fret); 59 60 GST_BASE_API 61 GstFlowReturn gst_flow_combiner_update_pad_flow (GstFlowCombiner * combiner, GstPad * pad, 62 GstFlowReturn fret); 63 GST_BASE_API 64 void gst_flow_combiner_add_pad (GstFlowCombiner * combiner, GstPad * pad); 65 66 GST_BASE_API 67 void gst_flow_combiner_remove_pad (GstFlowCombiner * combiner, GstPad * pad); 68 69 GST_BASE_API 70 void gst_flow_combiner_clear (GstFlowCombiner * combiner); 71 72 GST_BASE_API 73 void gst_flow_combiner_reset (GstFlowCombiner * combiner); 74 75 GST_BASE_API 76 GType gst_flow_combiner_get_type (void); 77 78 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstFlowCombiner, gst_flow_combiner_free) 79 80 G_END_DECLS 81 82 #endif /* __GST_FLOW_COMBINER_H__ */ 83