1 /*****************************************************************************
2  * Copyright (C) 2013-2020 MulticoreWare, Inc
3  *
4  * Authors: Gopu Govindaswamy <gopu@multicorewareinc.com>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
19  *
20  * This program is also available under a commercial proprietary license.
21  * For more information, contact us at license @ x265.com.
22  *****************************************************************************/
23 
24 #ifndef X265_PICLIST_H
25 #define X265_PICLIST_H
26 
27 #include "common.h"
28 
29 namespace X265_NS {
30 
31 class Frame;
32 
33 class PicList
34 {
35 protected:
36 
37     Frame*   m_start;
38     Frame*   m_end;
39     int      m_count;
40 
41 public:
42 
PicList()43     PicList()
44     {
45         m_start = NULL;
46         m_end   = NULL;
47         m_count = 0;
48     }
49 
50     /** Push picture to end of the list */
51     void pushBack(Frame& pic);
52 
53     /** Push picture to beginning of the list */
54     void pushFront(Frame& pic);
55 
56     /** Pop picture from end of the list */
57     Frame* popBack();
58 
59     /** Pop picture from beginning of the list */
60     Frame* popFront();
61 
62     /** Find frame with specified POC */
63     Frame* getPOC(int poc);
64 
65     /** Get the current Frame from the list **/
66     Frame* getCurFrame(void);
67 
68     /** Remove picture from list */
69     void remove(Frame& pic);
70 
first()71     Frame* first()        { return m_start;   }
72 
last()73     Frame* last()         { return m_end;     }
74 
size()75     int size()            { return m_count;   }
76 
empty()77     bool empty() const    { return !m_count;  }
78 
79     operator bool() const { return !!m_count; }
80 };
81 }
82 
83 #endif // ifndef X265_PICLIST_H
84