1 /* GStreamer
2  *
3  * Copyright (C) 2011 David Schleef <ds@schleef.org>
4  * Copyright (C) 2014 Sebastian Dröge <sebastian@centricular.com>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public
17  * License along with this library; if not, write to the
18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  */
21 
22 #ifndef __GST_DECKLINK_VIDEO_SINK_H__
23 #define __GST_DECKLINK_VIDEO_SINK_H__
24 
25 #include <gst/gst.h>
26 #include <gst/base/base.h>
27 #include <gst/video/video.h>
28 #include "gstdecklink.h"
29 
30 G_BEGIN_DECLS
31 
32 #define GST_TYPE_DECKLINK_VIDEO_SINK \
33   (gst_decklink_video_sink_get_type())
34 #define GST_DECKLINK_VIDEO_SINK(obj) \
35   (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_DECKLINK_VIDEO_SINK, GstDecklinkVideoSink))
36 #define GST_DECKLINK_VIDEO_SINK_CAST(obj) \
37   ((GstDecklinkVideoSink*)obj)
38 #define GST_DECKLINK_VIDEO_SINK_CLASS(klass) \
39   (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_DECKLINK_VIDEO_SINK, GstDecklinkVideoSinkClass))
40 #define GST_IS_DECKLINK_VIDEO_SINK(obj) \
41   (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_DECKLINK_VIDEO_SINK))
42 #define GST_IS_DECKLINK_VIDEO_SINK_CLASS(klass) \
43   (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_DECKLINK_VIDEO_SINK))
44 
45 typedef struct _GstDecklinkVideoSink GstDecklinkVideoSink;
46 typedef struct _GstDecklinkVideoSinkClass GstDecklinkVideoSinkClass;
47 
48 struct _GstDecklinkVideoSink
49 {
50   GstBaseSink parent;
51 
52   GstDecklinkModeEnum mode;
53   gint device_number;
54   GstDecklinkVideoFormat video_format;
55   BMDDuplexMode duplex_mode;
56   BMDTimecodeFormat timecode_format;
57   BMDKeyerMode keyer_mode;
58   gint keyer_level;
59 
60   GstVideoInfo info;
61 
62   GstClockTime internal_base_time;
63   GstClockTime external_base_time;
64 
65   /* really an internal start time */
66   GstClockTime internal_time_offset;
67 
68   GstDecklinkOutput *output;
69 
70   GstVideoVBIEncoder *vbiencoder;
71   GstVideoFormat anc_vformat;
72   gint caption_line;
73   guint16 cdp_hdr_sequence_cntr;
74 };
75 
76 struct _GstDecklinkVideoSinkClass
77 {
78   GstBaseSinkClass parent_class;
79 };
80 
81 GType gst_decklink_video_sink_get_type (void);
82 
83 void gst_decklink_video_sink_convert_to_internal_clock (GstDecklinkVideoSink * self,
84     GstClockTime * timestamp, GstClockTime * duration);
85 
86 G_END_DECLS
87 
88 #endif /* __GST_DECKLINK_VIDEO_SINK_H__ */
89