2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wtay@chello.be>
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.
24 #ifndef __GST_IDENTITY_H__
25 #define __GST_IDENTITY_H__
29 #include <gst/base/gstbasetransform.h>
34 #define GST_TYPE_IDENTITY \
35 (gst_identity_get_type())
36 #define GST_IDENTITY(obj) \
37 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_IDENTITY,GstIdentity))
38 #define GST_IDENTITY_CLASS(klass) \
39 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_IDENTITY,GstIdentityClass))
40 #define GST_IS_IDENTITY(obj) \
41 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_IDENTITY))
42 #define GST_IS_IDENTITY_CLASS(klass) \
43 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_IDENTITY))
45 typedef struct _GstIdentity GstIdentity;
46 typedef struct _GstIdentityClass GstIdentityClass;
51 * Opaque #GstIdentity data structure
54 GstBaseTransform element;
60 gfloat drop_probability;
66 gboolean check_imperfect_timestamp;
67 gboolean check_imperfect_offset;
68 gboolean single_segment;
69 GstBufferFlags drop_buffer_flags;
70 GstClockTime prev_timestamp;
71 GstClockTime prev_duration;
73 guint64 prev_offset_end;
76 gboolean signal_handoffs;
77 GstClockTime upstream_latency;
80 GstClockTimeDiff ts_offset;
83 struct _GstIdentityClass {
84 GstBaseTransformClass parent_class;
87 void (*handoff) (GstElement *element, GstBuffer *buf);
90 G_GNUC_INTERNAL GType gst_identity_get_type (void);
94 #endif /* __GST_IDENTITY_H__ */