2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wtay@chello.be>
5 * gstadder.h: Header for GstAdder element
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
23 #ifndef __GST_ADDER_H__
24 #define __GST_ADDER_H__
27 #include <gst/base/gstcollectpads.h>
28 #include <gst/audio/audio.h>
32 #define GST_TYPE_ADDER (gst_adder_get_type())
33 #define GST_ADDER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ADDER,GstAdder))
34 #define GST_IS_ADDER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ADDER))
35 #define GST_ADDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_ADDER,GstAdderClass))
36 #define GST_IS_ADDER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_ADDER))
38 typedef struct _GstAdder GstAdder;
39 typedef struct _GstAdderClass GstAdderClass;
41 typedef struct _GstAdderPad GstAdderPad;
42 typedef struct _GstAdderPadClass GstAdderPadClass;
47 * The adder object structure.
53 GstCollectPads *collect;
54 /* pad counter, used for creating unique request pads */
57 /* the next are valid for both int and float */
60 /* counters to keep track of timestamps */
63 /* sink event handling */
65 volatile gboolean new_segment_pending;
66 volatile gboolean flush_stop_pending;
69 GstCaps *current_caps;
71 /* target caps (set via property) */
74 /* Pending inline events */
75 GList *pending_events;
77 gboolean send_stream_start;
81 struct _GstAdderClass {
82 GstElementClass parent_class;
85 GType gst_adder_get_type (void);
87 #define GST_TYPE_ADDER_PAD (gst_adder_pad_get_type())
88 #define GST_ADDER_PAD(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ADDER_PAD,GstAdderPad))
89 #define GST_IS_ADDER_PAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ADDER_PAD))
90 #define GST_ADDER_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_ADDER_PAD,GstAdderPadClass))
91 #define GST_IS_ADDER_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_ADDER_PAD))
92 #define GST_ADDER_PAD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_ADDER_PAD,GstAdderPadClass))
104 struct _GstAdderPadClass {
105 GstPadClass parent_class;
108 GType gst_adder_pad_get_type (void);
113 #endif /* __GST_ADDER_H__ */