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1 /*
2  * Copyright (C) 2007 The Android Open Source Project
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 express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef __DRM_CONTENT_H__
18 #define __DRM_CONTENT_H__
19 
20 #include <Drm2CommonTypes.h>
21 #include <dcf/DrmDcfContainer.h>
22 
23 /////////////raw content
24 class DrmRawContent
25 {
26 public:
27     /**
28      * constructor for DrmRawContent, used to parse DCF
29      * \param inRawData  input stream of raw data.
30      */
31     DrmRawContent(istream& inRawData);
32 
33     /** Destructor for DrmRawContent */
34     ~DrmRawContent();
35 
36     /**
37      * get DCF container
38      * \param none
39      * \return
40      *   the DCF container
41      */
42     vector<DcfContainer*> getContents(void) const;
43 
44     /**
45      * get the length of DCF hash
46      * \param none
47      * \return
48      *   the length of DCF hash
49      */
50     uint32_t getDcfHashLen() const;
51 
52     /**
53      * get DCF hash
54      * \param outDcfHash  the buffer to store DCF hash
55      * \return
56      *   none
57      */
58     void getDcfHash(uint8_t* outDcfHash) const;
59 
60 PRIVATE:
61     static const uint32_t DCF_HASH_LEN = 20;
62     static const uint32_t FIX_HEADER_LEN = 20;
63     static const uint32_t MAX_PIECE_LEN = (100 * 1024);
64 
65     uint8_t mDcfHash[DCF_HASH_LEN];
66     vector<DcfContainer*> mContainer;
67 
68 PRIVATE:
69     bool parseDcfHeader(const uint8_t* dcfHead);
DrmRawContent(const DrmRawContent & rawContent)70     DrmRawContent(const DrmRawContent& rawContent){}
71     DrmRawContent& operator=(const DrmRawContent& other){return *this;}
72 };
73 
74 #endif
75