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1 /*!
2  * \copy
3  *     Copyright (c)  2013, Cisco Systems
4  *     All rights reserved.
5  *
6  *     Redistribution and use in source and binary forms, with or without
7  *     modification, are permitted provided that the following conditions
8  *     are met:
9  *
10  *        * Redistributions of source code must retain the above copyright
11  *          notice, this list of conditions and the following disclaimer.
12  *
13  *        * Redistributions in binary form must reproduce the above copyright
14  *          notice, this list of conditions and the following disclaimer in
15  *          the documentation and/or other materials provided with the
16  *          distribution.
17  *
18  *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21  *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22  *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23  *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24  *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25  *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26  *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
28  *     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  *     POSSIBILITY OF SUCH DAMAGE.
30  *
31  */
32 
33 //pic_queue.h
34 #ifndef WELS_PICTURE_QUEUE_H__
35 #define WELS_PICTURE_QUEUE_H__
36 
37 
38 #include "picture.h"
39 
40 namespace WelsDec {
41 
42 #define   PICTURE_RESOLUTION_ALIGNMENT      32
43 
44 
45 typedef struct TagPicBuff {
46   PPicture*      ppPic;
47   int32_t        iCapacity;  // capacity size of queue
48   int32_t        iCurrentIdx;
49 } SPicBuff, *PPicBuff;
50 
51 /*
52  *  Interfaces
53  */
54 
55 PPicture PrefetchPic (PPicBuff pPicBuff);  // To get current node applicable
56 PPicture PrefetchPicForThread (PPicBuff pPicBuff); // To get current node applicable in the case of threaded mode
57 PPicture PrefetchLastPicForThread (PPicBuff pPicBuff,
58                                    const int32_t& iLast); // To get last node applicable in the case of threaded mode
59 
60 } // namespace WelsDec
61 
62 #endif//WELS_PICTURE_QUEUE_H__
63