1 
2 /*
3 Software License :
4 
5 Copyright (c) 2007-2009, The Open Effects Association Ltd. All rights reserved.
6 
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
9 
10 * Redistributions of source code must retain the above copyright notice,
11 this list of conditions and the following disclaimer.
12 * Redistributions in binary form must reproduce the above copyright notice,
13 this list of conditions and the following disclaimer in the documentation
14 and/or other materials provided with the distribution.
15 * Neither the name The Open Effects Association Ltd, nor the names of its
16 contributors may be used to endorse or promote products derived from this
17 software without specific prior written permission.
18 
19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
23 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30 
31 #ifndef OFX_MEMORY_H
32 #define OFX_MEMORY_H
33 
34 #include <memory>
35 
36 namespace OFX {
37 
38   namespace Host {
39 #if __cplusplus >= 201103L
40     template <typename T>
41     using auto_ptr = std::unique_ptr<T>;
42 #else
43     using std::auto_ptr;
44 #endif
45 
46     namespace Memory {
47 
48       class Instance {
49       public:
50         Instance();
51 
52         virtual ~Instance();
53         virtual bool alloc(size_t nBytes);
54         virtual OfxImageMemoryHandle getHandle();
55         virtual bool freeMem(); // returns true if object can be deleted
56         virtual void* getPtr();
57         virtual void lock();
58         virtual void unlock();
59 
verifyMagic()60         virtual bool verifyMagic() { return true; }
61 
62       protected:
63         char*   _ptr;
64         int     _locked;
65       };
66 
67     } // Memory
68 
69   } // Host
70 
71 } // OFX
72 
73 #endif // OFX_MEMORY_H
74