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1 /* | |
2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #ifndef MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_MEMORY_POOL_H_ | |
12 #define MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_MEMORY_POOL_H_ | |
13 | |
14 #include <assert.h> | |
15 | |
16 #include "typedefs.h" // NOLINT(build/include) | |
17 | |
18 #ifdef _WIN32 | |
19 #include "modules/audio_conference_mixer/source/memory_pool_win.h" | |
20 #else | |
21 #include "modules/audio_conference_mixer/source/memory_pool_posix.h" | |
22 #endif | |
23 | |
24 namespace webrtc { | |
25 | |
26 template<class MemoryType> | |
27 class MemoryPool | |
28 { | |
29 public: | |
30 // Factory method, constructor disabled. | |
31 static int32_t CreateMemoryPool(MemoryPool*& memoryPool, | |
32 uint32_t initialPoolSize); | |
33 | |
34 // Try to delete the memory pool. Fail with return value -1 if there is | |
35 // outstanding memory. | |
36 static int32_t DeleteMemoryPool( | |
37 MemoryPool*& memoryPool); | |
38 | |
39 // Get/return unused memory. | |
40 int32_t PopMemory(MemoryType*& memory); | |
41 int32_t PushMemory(MemoryType*& memory); | |
42 private: | |
43 MemoryPool(int32_t initialPoolSize); | |
44 ~MemoryPool(); | |
45 | |
46 MemoryPoolImpl<MemoryType>* _ptrImpl; | |
47 }; | |
48 | |
49 template<class MemoryType> | |
50 MemoryPool<MemoryType>::MemoryPool(int32_t initialPoolSize) | |
51 { | |
52 _ptrImpl = new MemoryPoolImpl<MemoryType>(initialPoolSize); | |
53 } | |
54 | |
55 template<class MemoryType> | |
56 MemoryPool<MemoryType>::~MemoryPool() | |
57 { | |
58 delete _ptrImpl; | |
59 } | |
60 | |
61 template<class MemoryType> int32_t | |
62 MemoryPool<MemoryType>::CreateMemoryPool(MemoryPool*& memoryPool, | |
63 uint32_t initialPoolSize) | |
64 { | |
65 memoryPool = new MemoryPool(initialPoolSize); | |
66 if(memoryPool == NULL) | |
67 { | |
68 return -1; | |
69 } | |
70 if(memoryPool->_ptrImpl == NULL) | |
71 { | |
72 delete memoryPool; | |
73 memoryPool = NULL; | |
74 return -1; | |
75 } | |
76 if(!memoryPool->_ptrImpl->Initialize()) | |
77 { | |
78 delete memoryPool; | |
79 memoryPool = NULL; | |
80 return -1; | |
81 } | |
82 return 0; | |
83 } | |
84 | |
85 template<class MemoryType> | |
86 int32_t MemoryPool<MemoryType>::DeleteMemoryPool(MemoryPool*& memoryPool) | |
87 { | |
88 if(memoryPool == NULL) | |
89 { | |
90 return -1; | |
91 } | |
92 if(memoryPool->_ptrImpl == NULL) | |
93 { | |
94 return -1; | |
95 } | |
96 if(memoryPool->_ptrImpl->Terminate() == -1) | |
97 { | |
98 return -1; | |
99 } | |
100 delete memoryPool; | |
101 memoryPool = NULL; | |
102 return 0; | |
103 } | |
104 | |
105 template<class MemoryType> | |
106 int32_t MemoryPool<MemoryType>::PopMemory(MemoryType*& memory) | |
107 { | |
108 return _ptrImpl->PopMemory(memory); | |
109 } | |
110 | |
111 template<class MemoryType> | |
112 int32_t MemoryPool<MemoryType>::PushMemory(MemoryType*& memory) | |
113 { | |
114 if(memory == NULL) | |
115 { | |
116 return -1; | |
117 } | |
118 return _ptrImpl->PushMemory(memory); | |
119 } | |
120 } // namespace webrtc | |
121 | |
122 #endif // MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_MEMORY_POOL_H_ | |
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