1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_JPEGDEC_H__
#define __GST_JPEGDEC_H__
#include <gst/gst.h>
/* this is a hack hack hack to get around jpeglib header bugs... */
#ifdef HAVE_STDLIB_H
# undef HAVE_STDLIB_H
#endif
#include <jpeglib.h>
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
#define GST_TYPE_JPEGDEC \
(gst_jpegdec_get_type())
#define GST_JPEGDEC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_JPEGDEC,GstJpegDec))
#define GST_JPEGDEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_JPEGDEC,GstJpegDec))
#define GST_IS_JPEGDEC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_JPEGDEC))
#define GST_IS_JPEGDEC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_JPEGDEC))
typedef struct _GstJpegDec GstJpegDec;
typedef struct _GstJpegDecClass GstJpegDecClass;
struct _GstJpegDec
{
GstElement element;
/* pads */
GstPad *sinkpad, *srcpad;
int parse_state;
/* the timestamp of the next frame */
guint64 next_time;
/* the interval between frames */
guint64 time_interval;
/* video state */
gint format;
gint width;
gint height;
gdouble fps;
/* the size of the output buffer */
gint outsize;
/* the jpeg line buffer */
guchar **line[3];
struct jpeg_decompress_struct cinfo;
struct jpeg_error_mgr jerr;
struct jpeg_source_mgr jsrc;
};
struct _GstJpegDecClass
{
GstElementClass parent_class;
};
GType gst_jpegdec_get_type (void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GST_JPEGDEC_H__ */
|
