1 /*!
2  * \copy
3  *     Copyright (c)  2011-2013, 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  * \file        :  WelsFrameWork.h
32  *
33  * \brief       :  framework of wels video processor class
34  *
35  * \date        :  2011/01/04
36  *
37  * \description :
38  *
39  *************************************************************************************
40  */
41 
42 #ifndef WELSVP_WELSFRAMEWORK_H
43 #define WELSVP_WELSFRAMEWORK_H
44 
45 #include "IWelsVP.h"
46 #include "util.h"
47 #include "WelsThreadLib.h"
48 
49 WELSVP_NAMESPACE_BEGIN
50 
51 EResult CreateSpecificVpInterface (IWelsVP** ppCtx);
52 EResult DestroySpecificVpInterface (IWelsVP* pCtx);
53 
54 EResult CreateSpecificVpInterface (IWelsVPc** ppCtx);
55 EResult DestroySpecificVpInterface (IWelsVPc* pCtx);
56 
57 #define MAX_STRATEGY_NUM (METHOD_MASK - 1)
58 
59 class IStrategy : public IWelsVP {
60  public:
IStrategy()61   IStrategy() {
62     m_eMethod  = METHOD_NULL;
63     m_eFormat  = VIDEO_FORMAT_I420;
64     m_iIndex   = 0;
65     m_bInit    = false;
66   }
67 
~IStrategy()68   virtual ~IStrategy() {}
69 
70  public:
Init(int32_t iType,void * pCfg)71   virtual EResult Init (int32_t iType, void* pCfg)  {
72     return RET_SUCCESS;
73   }
Uninit(int32_t iType)74   virtual EResult Uninit (int32_t iType)              {
75     return RET_SUCCESS;
76   }
Flush(int32_t iType)77   virtual EResult Flush (int32_t iType)               {
78     return RET_SUCCESS;
79   }
Get(int32_t iType,void * pParam)80   virtual EResult Get (int32_t iType, void* pParam) {
81     return RET_SUCCESS;
82   }
Set(int32_t iType,void * pParam)83   virtual EResult Set (int32_t iType, void* pParam) {
84     return RET_SUCCESS;
85   }
SpecialFeature(int32_t iType,void * pIn,void * pOut)86   virtual EResult SpecialFeature (int32_t iType, void* pIn, void* pOut) {
87     return RET_SUCCESS;
88   }
89   virtual EResult Process (int32_t iType, SPixMap* pSrc, SPixMap* pDst) = 0;
90 
91  public:
92   EMethods       m_eMethod;
93   EVideoFormat m_eFormat;
94   int32_t           m_iIndex;
95   bool            m_bInit;
96 };
97 
98 class CVpFrameWork : public IWelsVP {
99  public:
100   CVpFrameWork (uint32_t uiThreadsNum, EResult& ret);
101   ~CVpFrameWork();
102 
103  public:
104   EResult Init (int32_t iType, void* pCfg);
105 
106   EResult Uninit (int32_t iType);
107 
108   EResult Flush (int32_t iType);
109 
110   EResult Process (int32_t iType, SPixMap* pSrc, SPixMap* pDst);
111 
112   EResult Get (int32_t iType, void* pParam);
113 
114   EResult Set (int32_t iType, void* pParam);
115 
116   EResult SpecialFeature (int32_t iType, void* pIn, void* pOut);
117 
118  private:
119   bool  CheckValid (EMethods eMethod, SPixMap& sSrc, SPixMap& sDst);
120   IStrategy* CreateStrategy (EMethods eMethod, int32_t iCpuFlag);
121 
122  private:
123   IStrategy* m_pStgChain[MAX_STRATEGY_NUM];
124 
125   WELS_MUTEX m_mutes;
126 };
127 
128 WELSVP_NAMESPACE_END
129 
130 #endif
131