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
94
95
96
97
98
99
100
101
102
103
|
/*
* GStreamer
* Copyright (C) 2009 Carl-Anton Ingmarsson <ca.ingmarsson@gmail.com>
*
* 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_VDP_MPEG_DEC_H__
#define __GST_VDP_MPEG_DEC_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <gst/vdpau/gstvdpdevice.h>
G_BEGIN_DECLS
#define GST_TYPE_VDP_MPEG_DEC (gst_vdp_mpeg_dec_get_type())
#define GST_VDP_MPEG_DEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VDP_MPEG_DEC,GstVdpMpegDec))
#define GST_VDP_MPEG_DEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VDP_MPEG_DEC,GstVdpMpegDecClass))
#define GST_IS_VDP_MPEG_DEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VDP_MPEG_DEC))
#define GST_IS_VDP_MPEG_DEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VDP_MPEG_DEC))
typedef enum {
GST_VDP_MPEG_DEC_NEED_SEQUENCE,
GST_VDP_MPEG_DEC_NEED_GOP,
GST_VDP_MPEG_DEC_NEED_DATA
} GstVdpMpegDecState;
typedef struct _GstVdpMpegDec GstVdpMpegDec;
typedef struct _GstVdpMpegDecClass GstVdpMpegDecClass;
struct _GstVdpMpegDec
{
GstElement element;
/* pads */
GstPad *src;
GstPad *sink;
GstVdpDevice *device;
VdpDecoderProfile profile;
VdpDecoder decoder;
/* stream info */
gint width, height;
gint fps_n, fps_d;
gboolean interlaced;
gint version;
/* decoder state */
GstVdpMpegDecState state;
/* currently decoded frame info */
GstAdapter *adapter;
VdpPictureInfoMPEG1Or2 vdp_info;
guint64 frame_nr;
GstClockTime duration;
/* frame_nr from GOP */
guint64 gop_frame;
/* forward and backward reference */
GstBuffer *f_buffer;
GstBuffer *b_buffer;
/* calculated timestamp, size and duration */
GstClockTime next_timestamp;
guint64 accumulated_size;
guint64 accumulated_duration;
/* seek data */
GstSegment segment;
gboolean seeking;
gint64 byterate;
/* mutex */
GMutex *mutex;
};
struct _GstVdpMpegDecClass
{
GstElementClass element_class;
};
GType gst_vdp_mpeg_dec_get_type (void);
G_END_DECLS
#endif /* __GST_VDP_MPEG_DEC_H__ */
|
