1 /* 2 * Copyright (C) 2018 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 VNDK_HIDL_BUFFERPOOL_V2_0_ALLOCATOR_H 18 #define VNDK_HIDL_BUFFERPOOL_V2_0_ALLOCATOR_H 19 20 #include <pthread.h> 21 #include <bufferpool/BufferPoolTypes.h> 22 23 using android::hardware::media::bufferpool::V2_0::ResultStatus; 24 using android::hardware::media::bufferpool::V2_0::implementation:: 25 BufferPoolAllocation; 26 using android::hardware::media::bufferpool::V2_0::implementation:: 27 BufferPoolAllocator; 28 29 struct IpcMutex { 30 pthread_mutex_t lock; 31 pthread_cond_t cond; 32 int counter = 0; 33 bool signalled = false; 34 35 void init(); 36 37 static IpcMutex *Import(void *mem); 38 }; 39 40 // buffer allocator for the tests 41 class TestBufferPoolAllocator : public BufferPoolAllocator { 42 public: TestBufferPoolAllocator()43 TestBufferPoolAllocator() {} 44 ~TestBufferPoolAllocator()45 ~TestBufferPoolAllocator() override {} 46 47 ResultStatus allocate(const std::vector<uint8_t> ¶ms, 48 std::shared_ptr<BufferPoolAllocation> *alloc, 49 size_t *allocSize) override; 50 51 bool compatible(const std::vector<uint8_t> &newParams, 52 const std::vector<uint8_t> &oldParams) override; 53 54 static bool Fill(const native_handle_t *handle, const unsigned char val); 55 56 static bool Verify(const native_handle_t *handle, const unsigned char val); 57 58 static bool MapMemoryForMutex(const native_handle_t *handle, void **mem); 59 60 static bool UnmapMemoryForMutex(void *mem); 61 }; 62 63 // retrieve buffer allocator paramters 64 void getTestAllocatorParams(std::vector<uint8_t> *params); 65 66 void getIpcMutexParams(std::vector<uint8_t> *params); 67 68 #endif // VNDK_HIDL_BUFFERPOOL_V2_0_ALLOCATOR_H 69