1 /* GStreamer
2  * Copyright (C) 2013 FIXME <fixme@example.com>
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  */
19 
20 #ifndef _GST_IVTC_H_
21 #define _GST_IVTC_H_
22 
23 #include <gst/base/gstbasetransform.h>
24 #include <gst/video/video.h>
25 
26 G_BEGIN_DECLS
27 
28 #define GST_TYPE_IVTC   (gst_ivtc_get_type())
29 #define GST_IVTC(obj)   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_IVTC,GstIvtc))
30 #define GST_IVTC_CLASS(klass)   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_IVTC,GstIvtcClass))
31 #define GST_IS_IVTC(obj)   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_IVTC))
32 #define GST_IS_IVTC_CLASS(obj)   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_IVTC))
33 
34 typedef struct _GstIvtc GstIvtc;
35 typedef struct _GstIvtcClass GstIvtcClass;
36 typedef struct _GstIvtcField GstIvtcField;
37 
38 struct _GstIvtcField
39 {
40   GstBuffer *buffer;
41   int parity;
42   GstVideoFrame frame;
43   GstClockTime ts;
44 };
45 
46 #define GST_IVTC_MAX_FIELDS 10
47 
48 struct _GstIvtc
49 {
50   GstBaseTransform base_ivtc;
51 
52   GstSegment segment;
53 
54   GstVideoInfo sink_video_info;
55   GstVideoInfo src_video_info;
56   GstClockTime current_ts;
57   GstClockTime field_duration;
58 
59   int n_fields;
60   GstIvtcField fields[GST_IVTC_MAX_FIELDS];
61 };
62 
63 struct _GstIvtcClass
64 {
65   GstBaseTransformClass base_ivtc_class;
66 };
67 
68 GType gst_ivtc_get_type (void);
69 
70 G_END_DECLS
71 
72 #endif
73