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
104
105
106
107
|
/* GStreamer mpeg2enc (mjpegtools) wrapper
* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* (c) 2006 Mark Nauwelaerts <manauw@skynet.be>
*
* gstmpeg2enc.hh: object definition
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_MPEG2ENC_H__
#define __GST_MPEG2ENC_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include "gstmpeg2encoptions.hh"
#include "gstmpeg2encoder.hh"
G_BEGIN_DECLS
#define GST_TYPE_MPEG2ENC \
(gst_mpeg2enc_get_type ())
#define GST_MPEG2ENC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MPEG2ENC, GstMpeg2enc))
#define GST_MPEG2ENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MPEG2ENC, GstMpeg2enc))
#define GST_IS_MPEG2ENC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MPEG2ENC))
#define GST_IS_MPEG2ENC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MPEG2ENC))
GST_DEBUG_CATEGORY_EXTERN (mpeg2enc_debug);
#define GST_CAT_DEFAULT mpeg2enc_debug
#define GST_MPEG2ENC_MUTEX_LOCK(m) G_STMT_START { \
GST_LOG_OBJECT (m, "locking tlock from thread %p", g_thread_self ()); \
g_mutex_lock (&m->tlock); \
GST_LOG_OBJECT (m, "locked tlock from thread %p", g_thread_self ()); \
} G_STMT_END
#define GST_MPEG2ENC_MUTEX_UNLOCK(m) G_STMT_START { \
GST_LOG_OBJECT (m, "unlocking tlock from thread %p", g_thread_self ()); \
g_mutex_unlock (&m->tlock); \
} G_STMT_END
#define GST_MPEG2ENC_WAIT(m) G_STMT_START { \
GST_LOG_OBJECT (m, "thread %p waiting", g_thread_self ()); \
g_cond_wait (&m->cond, &m->tlock); \
} G_STMT_END
#define GST_MPEG2ENC_SIGNAL(m) G_STMT_START { \
GST_LOG_OBJECT (m, "signalling from thread %p", g_thread_self ()); \
g_cond_signal (&m->cond); \
} G_STMT_END
typedef struct _GstMpeg2enc {
GstVideoEncoder base_video_encoder;
/* options wrapper */
GstMpeg2EncOptions *options;
/* general encoding object (contains rest) */
GstMpeg2Encoder *encoder;
/* lock for syncing with encoding task */
GMutex tlock;
/* with TLOCK */
/* signals counterpart thread that something changed;
* frame ready for task or buffer has been processed */
GCond cond;
/* seen eos */
gboolean eos;
/* flowreturn obtained by encoding task */
GstFlowReturn srcresult;
/* frames for input */
GQueue *frames;
gboolean started;
GstVideoCodecState *input_state;
} GstMpeg2enc;
typedef struct _GstMpeg2encClass {
GstVideoEncoderClass base_video_encoder_class;
} GstMpeg2encClass;
GType gst_mpeg2enc_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (mpeg2enc);
G_END_DECLS
#endif /* __GST_MPEG2ENC_H__ */
|
