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1 /* GStreamer
2  * Copyright (C) 2010 David Schleef <ds@schleef.org>
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_Y4M_DEC_H_
21 #define _GST_Y4M_DEC_H_
22 
23 #include <gst/gst.h>
24 #include <gst/base/gstadapter.h>
25 
26 G_BEGIN_DECLS
27 
28 #define GST_TYPE_Y4M_DEC   (gst_y4m_dec_get_type())
29 #define GST_Y4M_DEC(obj)   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_Y4M_DEC,GstY4mDec))
30 #define GST_Y4M_DEC_CLASS(klass)   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_Y4M_DEC,GstY4mDecClass))
31 #define GST_IS_Y4M_DEC(obj)   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_Y4M_DEC))
32 #define GST_IS_Y4M_DEC_CLASS(obj)   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_Y4M_DEC))
33 
34 typedef struct _GstY4mDec GstY4mDec;
35 typedef struct _GstY4mDecClass GstY4mDecClass;
36 
37 struct _GstY4mDec
38 {
39   GstElement base_y4mdec;
40 
41   GstPad *sinkpad;
42   GstPad *srcpad;
43   GstAdapter *adapter;
44 
45   /* state */
46   gboolean have_header;
47   int frame_index;
48   int header_size;
49 
50   gboolean have_new_segment;
51   GstSegment segment;
52 
53   GstVideoInfo info;
54   GstVideoInfo out_info;
55   gboolean video_meta;
56   GstBufferPool *pool;
57 };
58 
59 struct _GstY4mDecClass
60 {
61   GstElementClass base_y4mdec_class;
62 };
63 
64 GType gst_y4m_dec_get_type (void);
65 GST_ELEMENT_REGISTER_DECLARE (y4mdec);
66 
67 G_END_DECLS
68 
69 #endif
70