2 * @file buffer/buffer_description.h
3 * @author Alexander Aksenov <a.aksenov@samsung.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 * Copyright (C) Samsung Electronics, 2013
25 * @section DESCRIPTION
27 * swap_subbuffer structure represents one buffers subbufer
30 #ifndef __BUFFER_DESCRIPTION_H__
31 #define __BUFFER_DESCRIPTION_H__
33 #include "data_types.h"
36 * @struct swap_subbuffer
37 * @brief This structures are combined in array which represents the SWAP buffer.
38 * @var swap_subbuffer::next_in_queue
39 * Pointer to the next swap_subbufer in queue
40 * @var swap_subbuffer::full_buffer_part
41 * Currently occupied subbuffers size
42 * @var swap_subbuffer::data_buffer
43 * Pointer to subbuffers data itself of type swap_subbuffer_ptr
44 * @var swap_subbuffer::buffer_sync
45 * Subbuffers sync primitive
47 struct swap_subbuffer {
48 /* Pointer to the next subbuffer in queue */
49 struct swap_subbuffer *next_in_queue;
50 /* Size of the filled part of a subbuffer */
51 size_t full_buffer_part;
52 /* Pointer to data buffer */
53 swap_subbuffer_ptr data_buffer;
55 struct sync_t buffer_sync;
58 #endif /* __BUFFER_DESCRIPTION_H__ */