1/* GStreamer
2 * Copyright (C) <2011> Wim Taymans <wim.taymans@gmail.com>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20#ifndef __GST_VIDEO_POOL_H__
21#define __GST_VIDEO_POOL_H__
22
23#include <gst/gst.h>
24
25#include <gst/video/video.h>
26
27G_BEGIN_DECLS
28
29/**
30 * GST_BUFFER_POOL_OPTION_VIDEO_META:
31 *
32 * An option that can be activated on bufferpool to request video metadata
33 * on buffers from the pool.
34 */
35#define GST_BUFFER_POOL_OPTION_VIDEO_META "GstBufferPoolOptionVideoMeta"
36
37/**
38 * GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT:
39 *
40 * A bufferpool option to enable extra padding. When a bufferpool supports this
41 * option, gst_buffer_pool_config_set_video_alignment() can be called.
42 *
43 * When this option is enabled on the bufferpool,
44 * #GST_BUFFER_POOL_OPTION_VIDEO_META should also be enabled.
45 */
46#define GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT "GstBufferPoolOptionVideoAlignment"
47
48/* setting a bufferpool config */
49
50GST_VIDEO_API
51void gst_buffer_pool_config_set_video_alignment (GstStructure *config, const GstVideoAlignment *align);
52
53GST_VIDEO_API
54gboolean gst_buffer_pool_config_get_video_alignment (GstStructure *config, GstVideoAlignment *align);
55
56/* video bufferpool */
57typedef struct _GstVideoBufferPool GstVideoBufferPool;
58typedef struct _GstVideoBufferPoolClass GstVideoBufferPoolClass;
59typedef struct _GstVideoBufferPoolPrivate GstVideoBufferPoolPrivate;
60
61#define GST_TYPE_VIDEO_BUFFER_POOL (gst_video_buffer_pool_get_type())
62#define GST_IS_VIDEO_BUFFER_POOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VIDEO_BUFFER_POOL))
63#define GST_VIDEO_BUFFER_POOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VIDEO_BUFFER_POOL, GstVideoBufferPool))
64#define GST_VIDEO_BUFFER_POOL_CAST(obj) ((GstVideoBufferPool*)(obj))
65
66struct _GstVideoBufferPool
67{
68 GstBufferPool bufferpool;
69
70 GstVideoBufferPoolPrivate *priv;
71};
72
73struct _GstVideoBufferPoolClass
74{
75 GstBufferPoolClass parent_class;
76};
77
78GST_VIDEO_API
79GType gst_video_buffer_pool_get_type (void);
80
81GST_VIDEO_API
82GstBufferPool * gst_video_buffer_pool_new (void);
83
84G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstVideoBufferPool, gst_object_unref)
85
86G_END_DECLS
87
88#endif /* __GST_VIDEO_POOL_H__ */
89

source code of include/gstreamer-1.0/gst/video/gstvideopool.h