1 /* GStreamer
2  * Copyright (C) <2005> Julien Moutte <julien@moutte.net>
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_XVIMAGEPOOL_H__
21 #define __GST_XVIMAGEPOOL_H__
22 
23 #include <gst/gst.h>
24 
25 #include "xvimageallocator.h"
26 
27 G_BEGIN_DECLS
28 
29 typedef struct _GstXvImageBufferPool GstXvImageBufferPool;
30 typedef struct _GstXvImageBufferPoolClass GstXvImageBufferPoolClass;
31 
32 /* buffer pool functions */
33 #define GST_TYPE_XVIMAGE_BUFFER_POOL      (gst_xvimage_buffer_pool_get_type())
34 #define GST_IS_XVIMAGE_BUFFER_POOL(obj)   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_XVIMAGE_BUFFER_POOL))
35 #define GST_XVIMAGE_BUFFER_POOL(obj)      (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_XVIMAGE_BUFFER_POOL, GstXvImageBufferPool))
36 #define GST_XVIMAGE_BUFFER_POOL_CAST(obj) ((GstXvImageBufferPool*)(obj))
37 
38 struct _GstXvImageBufferPool
39 {
40   GstBufferPool bufferpool;
41 
42   GstXvImageAllocator *allocator;
43 
44   GstCaps *caps;
45   gint im_format;
46   GstVideoRectangle crop;
47   GstVideoInfo info;
48   GstVideoAlignment align;
49   guint padded_width;
50   guint padded_height;
51   gboolean add_metavideo;
52   gboolean need_alignment;
53 
54   /* used for calculating actual size, stride, and offset */
55   GstMemory *pre_alloc_mem;
56 };
57 
58 struct _GstXvImageBufferPoolClass
59 {
60   GstBufferPoolClass parent_class;
61 };
62 
63 GType gst_xvimage_buffer_pool_get_type (void);
64 
65 GstBufferPool *    gst_xvimage_buffer_pool_new     (GstXvImageAllocator *allocator);
66 
67 G_END_DECLS
68 
69 #endif /*__GST_XVIMAGEPOOL_H__*/
70