1 /* GStreamer
2  * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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_FLX_DECODER_H__
21 #define __GST_FLX_DECODER_H__
22 
23 #include <gst/gst.h>
24 
25 #include <gst/base/gstadapter.h>
26 #include <gst/base/gstbytereader.h>
27 #include <gst/base/gstbytewriter.h>
28 #include "flx_color.h"
29 
30 G_BEGIN_DECLS
31 
32 typedef enum {
33   GST_FLXDEC_READ_HEADER,
34   GST_FLXDEC_PLAYING,
35 } GstFlxDecState;
36 
37 
38 /* Definition of structure storing data for this element. */
39 typedef struct _GstFlxDec  GstFlxDec;
40 
41 struct _GstFlxDec {
42   GstElement element;
43 
44   GstPad *sinkpad, *srcpad;
45 
46   GstSegment segment;
47   gboolean need_segment;
48 
49   gboolean active, new_meta;
50 
51   guint8 *delta_data, *frame_data;
52   GstAdapter *adapter;
53   gsize size;
54   GstFlxDecState state;
55   gint64 frame_time;
56   gint64 next_time;
57   gint64 duration;
58 
59   FlxColorSpaceConverter *converter;
60 
61   FlxHeader hdr;
62 };
63 
64 /* Standard definition defining a class for this element. */
65 typedef struct _GstFlxDecClass GstFlxDecClass;
66 struct _GstFlxDecClass {
67   GstElementClass parent_class;
68 };
69 
70 /* Standard macros for defining types for this element.  */
71 #define GST_TYPE_FLXDEC \
72   (gst_flxdec_get_type())
73 #define GST_FLXDEC(obj) \
74   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FLXDEC,GstFlxDec))
75 #define GST_FLXDEC_CLASS(klass) \
76   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FLXDEC,GstFlxDecClass))
77 #define GST_IS_FLXDEC(obj) \
78   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FLXDEC))
79 #define GST_IS_FLXDEC_CLASS(klass) \
80   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FLXDEC))
81 
82 /* Standard function returning type information. */
83 GType gst_flxdec_get_type(void);
84 
85 G_END_DECLS
86 
87 #endif /* __GST_FLX_DECODER_H__ */
88