summaryrefslogtreecommitdiff
path: root/plugins/elements/gstfakesrc.h
blob: 0d54d82cbb6ec1aad466e8601e66a36c8ff6d8ca (plain)
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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
/* GStreamer
 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
 *                    2000 Wim Taymans <wtay@chello.be>
 *
 * gstfakesrc.h:
 *
 * 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_FAKE_SRC_H__
#define __GST_FAKE_SRC_H__

#include <gst/gst.h>
#include <gst/base/gstbasesrc.h>

G_BEGIN_DECLS

/**
 * GstFakeSrcOutputType:
 * @FAKE_SRC_FIRST_LAST_LOOP: first pad then last pad
 * @FAKE_SRC_LAST_FIRST_LOOP: last pad then first pad
 * @FAKE_SRC_PING_PONG: ping pong between pads
 * @FAKE_SRC_ORDERED_RANDOM: ordered random pad
 * @FAKE_SRC_RANDOM: random pad
 * @FAKE_SRC_PATTERN_LOOP: loop between pads in a particular pattern
 * @FAKE_SRC_PING_PONG_PATTERN: ping pong based on a pattern
 * @FAKE_SRC_GET_ALWAYS_SUCEEDS: a get always succeeds on a pad
 *
 * The different output types. Unused currently.
 */
typedef enum {
  FAKE_SRC_FIRST_LAST_LOOP = 1,
  FAKE_SRC_LAST_FIRST_LOOP,
  FAKE_SRC_PING_PONG,
  FAKE_SRC_ORDERED_RANDOM,
  FAKE_SRC_RANDOM,
  FAKE_SRC_PATTERN_LOOP,
  FAKE_SRC_PING_PONG_PATTERN,
  FAKE_SRC_GET_ALWAYS_SUCEEDS
} GstFakeSrcOutputType;

/**
 * GstFakeSrcDataType:
 * @FAKE_SRC_DATA_ALLOCATE: allocate buffers
 * @FAKE_SRC_DATA_SUBBUFFER: subbuffer each buffer
 *
 * The different ways buffers are allocated.
 */
typedef enum {
  FAKE_SRC_DATA_ALLOCATE = 1,
  FAKE_SRC_DATA_SUBBUFFER
} GstFakeSrcDataType;

/**
 * GstFakeSrcSizeType:
 * @FAKE_SRC_SIZETYPE_EMPTY: create empty buffers
 * @FAKE_SRC_SIZETYPE_FIXED: fixed buffer size (sizemax sized)
 * @FAKE_SRC_SIZETYPE_RANDOM: random buffer size (sizemin <= size <= sizemax)
 *
 * The different size of the allocated buffers.
 */
typedef enum {
  FAKE_SRC_SIZETYPE_EMPTY = 1,
  FAKE_SRC_SIZETYPE_FIXED,
  FAKE_SRC_SIZETYPE_RANDOM
} GstFakeSrcSizeType;

/**
 * GstFakeSrcFillType:
 * @FAKE_SRC_FILLTYPE_NOTHING: do not fill buffers
 * @FAKE_SRC_FILLTYPE_ZERO: fill buffers with 0
 * @FAKE_SRC_FILLTYPE_RANDOM: fill buffers with random bytes
 * @FAKE_SRC_FILLTYPE_PATTERN: fill buffers with a pattern
 * @FAKE_SRC_FILLTYPE_PATTERN_CONT: fill buffers with a continuous pattern
 *
 * The different ways of filling the buffers.
 */
typedef enum {
  FAKE_SRC_FILLTYPE_NOTHING = 1,
  FAKE_SRC_FILLTYPE_ZERO,
  FAKE_SRC_FILLTYPE_RANDOM,
  FAKE_SRC_FILLTYPE_PATTERN,
  FAKE_SRC_FILLTYPE_PATTERN_CONT
} GstFakeSrcFillType;

#define GST_TYPE_FAKE_SRC \
  (gst_fake_src_get_type())
#define GST_FAKE_SRC(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FAKE_SRC,GstFakeSrc))
#define GST_FAKE_SRC_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FAKE_SRC,GstFakeSrcClass))
#define GST_IS_FAKE_SRC(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FAKE_SRC))
#define GST_IS_FAKE_SRC_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FAKE_SRC))

typedef struct _GstFakeSrc GstFakeSrc;
typedef struct _GstFakeSrcClass GstFakeSrcClass;

/**
 * GstFakeSrc:
 *
 * Opaque #GstFakeSrc data structure.
 */
struct _GstFakeSrc {
  GstBaseSrc     element;

  /*< private >*/
  gboolean	 has_loop;
  gboolean	 has_getrange;

  GstFakeSrcOutputType output;
  GstFakeSrcDataType   data;
  GstFakeSrcSizeType   sizetype;
  GstFakeSrcFillType   filltype;

  guint		sizemin;
  guint		sizemax;
  GstBuffer	*parent;
  guint		parentsize;
  guint		parentoffset;
  guint8	 pattern_byte;
  GList		*patternlist;
  gint		 datarate;
  gboolean	 sync;
  GstClock	*clock;

  gboolean	 silent;
  gboolean	 signal_handoffs;
  gboolean	 dump;
  gboolean	 can_activate_pull;
  GstFormat      format;

  guint64        bytes_sent;

  gchar		*last_message;
};

struct _GstFakeSrcClass {
  GstBaseSrcClass parent_class;

  /*< public >*/
  /* signals */
  void (*handoff) (GstElement *element, GstBuffer *buf, GstPad *pad);
};

G_GNUC_INTERNAL GType gst_fake_src_get_type (void);

G_END_DECLS

#endif /* __GST_FAKE_SRC_H__ */