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
166
167
168
169
170
|
/* GStreamer
* Copyright (C) 2007 David Schleef <ds@schleef.org>
*
* 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_APP_SINK_H_
#define _GST_APP_SINK_H_
#include <gst/gst.h>
#include <gst/base/gstbasesink.h>
#include <gst/app/app-prelude.h>
G_BEGIN_DECLS
#define GST_TYPE_APP_SINK \
(gst_app_sink_get_type())
#define GST_APP_SINK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_APP_SINK,GstAppSink))
#define GST_APP_SINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_APP_SINK,GstAppSinkClass))
#define GST_IS_APP_SINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_APP_SINK))
#define GST_IS_APP_SINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_APP_SINK))
#define GST_APP_SINK_CAST(obj) \
((GstAppSink*)(obj))
typedef struct _GstAppSink GstAppSink;
typedef struct _GstAppSinkClass GstAppSinkClass;
typedef struct _GstAppSinkPrivate GstAppSinkPrivate;
/* FIXME 2.0: Make the instance/class struct private */
/**
* GstAppSinkCallbacks: (skip)
* @eos: Called when the end-of-stream has been reached. This callback
* is called from the streaming thread.
* @new_preroll: Called when a new preroll sample is available.
* This callback is called from the streaming thread.
* The new preroll sample can be retrieved with
* gst_app_sink_pull_preroll() either from this callback
* or from any other thread.
* @new_sample: Called when a new sample is available.
* This callback is called from the streaming thread.
* The new sample can be retrieved with
* gst_app_sink_pull_sample() either from this callback
* or from any other thread.
*
* A set of callbacks that can be installed on the appsink with
* gst_app_sink_set_callbacks().
*/
typedef struct {
void (*eos) (GstAppSink *appsink, gpointer user_data);
GstFlowReturn (*new_preroll) (GstAppSink *appsink, gpointer user_data);
GstFlowReturn (*new_sample) (GstAppSink *appsink, gpointer user_data);
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
} GstAppSinkCallbacks;
struct _GstAppSink
{
GstBaseSink basesink;
/*< private >*/
GstAppSinkPrivate *priv;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
struct _GstAppSinkClass
{
GstBaseSinkClass basesink_class;
/* signals */
void (*eos) (GstAppSink *appsink);
GstFlowReturn (*new_preroll) (GstAppSink *appsink);
GstFlowReturn (*new_sample) (GstAppSink *appsink);
/* actions */
GstSample * (*pull_preroll) (GstAppSink *appsink);
GstSample * (*pull_sample) (GstAppSink *appsink);
GstSample * (*try_pull_preroll) (GstAppSink *appsink, GstClockTime timeout);
GstSample * (*try_pull_sample) (GstAppSink *appsink, GstClockTime timeout);
/*< private >*/
gpointer _gst_reserved[GST_PADDING - 2];
};
GST_APP_API
GType gst_app_sink_get_type (void);
GST_APP_API
void gst_app_sink_set_caps (GstAppSink *appsink, const GstCaps *caps);
GST_APP_API
GstCaps * gst_app_sink_get_caps (GstAppSink *appsink);
GST_APP_API
gboolean gst_app_sink_is_eos (GstAppSink *appsink);
GST_APP_API
void gst_app_sink_set_emit_signals (GstAppSink *appsink, gboolean emit);
GST_APP_API
gboolean gst_app_sink_get_emit_signals (GstAppSink *appsink);
GST_APP_API
void gst_app_sink_set_max_buffers (GstAppSink *appsink, guint max);
GST_APP_API
guint gst_app_sink_get_max_buffers (GstAppSink *appsink);
GST_APP_API
void gst_app_sink_set_drop (GstAppSink *appsink, gboolean drop);
GST_APP_API
gboolean gst_app_sink_get_drop (GstAppSink *appsink);
GST_APP_API
void gst_app_sink_set_buffer_list_support (GstAppSink *appsink, gboolean enable_lists);
GST_APP_API
gboolean gst_app_sink_get_buffer_list_support (GstAppSink *appsink);
GST_APP_API
void gst_app_sink_set_wait_on_eos (GstAppSink *appsink, gboolean wait);
GST_APP_API
gboolean gst_app_sink_get_wait_on_eos (GstAppSink *appsink);
GST_APP_API
GstSample * gst_app_sink_pull_preroll (GstAppSink *appsink);
GST_APP_API
GstSample * gst_app_sink_pull_sample (GstAppSink *appsink);
GST_APP_API
GstSample * gst_app_sink_try_pull_preroll (GstAppSink *appsink, GstClockTime timeout);
GST_APP_API
GstSample * gst_app_sink_try_pull_sample (GstAppSink *appsink, GstClockTime timeout);
GST_APP_API
void gst_app_sink_set_callbacks (GstAppSink * appsink,
GstAppSinkCallbacks *callbacks,
gpointer user_data,
GDestroyNotify notify);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstAppSink, gst_object_unref)
G_END_DECLS
#endif
|
