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      1 /*
      2  * Copyright (C) 2014 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 CLEARKEY_INIT_DATA_PARSER_H_
     18 #define CLEARKEY_INIT_DATA_PARSER_H_
     19 
     20 #include <media/stagefright/foundation/ABase.h>
     21 #include <utils/Errors.h>
     22 #include <utils/String8.h>
     23 #include <utils/Vector.h>
     24 
     25 namespace clearkeydrm {
     26 
     27 class InitDataParser {
     28 public:
     29     InitDataParser() {}
     30 
     31     android::status_t parse(const android::Vector<uint8_t>& initData,
     32             const android::String8& initDataType,
     33             android::Vector<uint8_t>* licenseRequest);
     34 
     35 private:
     36     DISALLOW_EVIL_CONSTRUCTORS(InitDataParser);
     37 
     38     android::status_t parsePssh(const android::Vector<uint8_t>& initData,
     39             android::Vector<const uint8_t*>* keyIds);
     40 
     41     android::String8 generateRequest(
     42             const android::Vector<const uint8_t*>& keyIds);
     43 };
     44 
     45 } // namespace clearkeydrm
     46 
     47 #endif // CLEARKEY_INIT_DATA_PARSER_H_
     48