1 /* 2 * Copyright (C) 2021 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 #pragma once 17 18 #include <utils/RefBase.h> 19 20 #include "ClearKeyTypes.h" 21 22 namespace clearkeydrm { 23 struct Buffer : public ::android::RefBase { 24 explicit Buffer(size_t capacity); 25 baseBuffer26 uint8_t* base() { return reinterpret_cast<uint8_t*>(mData); } dataBuffer27 uint8_t* data() { return reinterpret_cast<uint8_t*>(mData) + mRangeOffset; } capacityBuffer28 size_t capacity() const { return mCapacity; } sizeBuffer29 size_t size() const { return mRangeLength; } offsetBuffer30 size_t offset() const { return mRangeOffset; } 31 32 protected: 33 virtual ~Buffer(); 34 35 private: 36 void* mData; 37 size_t mCapacity; 38 size_t mRangeOffset; 39 size_t mRangeLength; 40 41 bool mOwnsData; 42 43 CLEARKEY_DISALLOW_COPY_AND_ASSIGN(Buffer); 44 }; 45 46 } // namespace clearkeydrm 47