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1 /* ------------------------------------------------------------------
2  * Copyright (C) 1998-2009 PacketVideo
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
13  * express or implied.
14  * See the License for the specific language governing permissions
15  * and limitations under the License.
16  * -------------------------------------------------------------------
17  */
18 /**
19  *  @file pvmf_pool_buffer_allocator.h
20  *  @brief This file defines the PV Multimedia Framework (PVMF) media message
21  *  header class which is used to hold the basic information such as timestamp,
22  *  sequence number, etc for every media message.
23  *
24  */
25 
26 #ifndef PVMF_POOL_BUFFER_ALLOCATOR_H_INCLUDED
27 #define PVMF_POOL_BUFFER_ALLOCATOR_H_INCLUDED
28 
29 #ifndef OSCL_BASE_H_INCLUDED
30 #include "oscl_base.h"
31 #endif
32 
33 #ifndef OSCL_REFCOUNTER_MEMFRAG_H_INCLUDED
34 #include "oscl_refcounter_memfrag.h"
35 #endif
36 
37 #ifndef OSCL_MEM_H_INCLUDED
38 #include "oscl_mem.h"
39 #endif
40 
41 #ifndef OSCL_VECTOR_H_INCLUDED
42 #include "oscl_vector.h"
43 #endif
44 
45 class PVLogger;
46 
47 //typedef OSCLMemAutoPtr<OsclRefCounterMemFrag*> OsclRefCounterMemFrag_ptr;
48 typedef Oscl_TAlloc<OsclRefCounterMemFrag, OsclMemAllocator> OsclRefCounterMemFrag_Alloc;
49 
50 class PVMFBufferPoolAllocator : public OsclDestructDealloc
51 {
52     public:
53         OSCL_IMPORT_REF PVMFBufferPoolAllocator(bool aLeaveOnAllocFailure = true);
54         OSCL_IMPORT_REF virtual ~PVMFBufferPoolAllocator();
55         OSCL_IMPORT_REF void SetLeaveOnAllocFailure(bool aLeaveOnAllocFailure);
56         OSCL_IMPORT_REF virtual void size(uint16 num_frags, uint16 frag_size);
57         OSCL_IMPORT_REF virtual void clear();
58         OSCL_IMPORT_REF virtual OsclRefCounterMemFrag get();
59         OSCL_IMPORT_REF virtual void release(OsclRefCounterMemFrag&);
60         // OsclDestructDealloc virtual
61         OSCL_IMPORT_REF virtual void destruct_and_dealloc(OsclAny* ptr);
62         OSCL_IMPORT_REF void SetFailFrequency(uint16 aFrequency);
63     protected:
64         uint32 iFragSize;
65         bool iDestroyPool;
66         Oscl_Vector<OsclRefCounterMemFrag, OsclRefCounterMemFrag_Alloc> iAvailFragments;
67         PVLogger *iLogger;
68         uint32 iAllocNum;
69         uint32 iFailFrequency;
70         bool iLeaveOnAllocFailure;
71 };
72 
73 
74 #endif
75