1 // Copyright 2019 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 #pragma once 15 16 #include "host-common/AddressSpaceService.h" 17 #include "host-common/address_space_device.h" 18 #include "host-common/GoldfishMediaDefs.h" 19 #include "host-common/MediaVpxDecoder.h" 20 #include "host-common/MediaH264Decoder.h" 21 #include "host-common/MediaHevcDecoder.h" 22 23 #include <unordered_map> 24 25 namespace android { 26 namespace emulation { 27 28 class AddressSpaceHostMediaContext : public AddressSpaceDeviceContext { 29 public: 30 AddressSpaceHostMediaContext(const struct AddressSpaceCreateInfo& create, 31 const address_space_device_control_ops* ops); 32 virtual ~AddressSpaceHostMediaContext(); 33 void perform(AddressSpaceDevicePingInfo* info) override; 34 35 AddressSpaceDeviceType getDeviceType() const override; 36 void save(base::Stream* stream) const override; 37 bool load(base::Stream* stream) override; 38 39 private: 40 void allocatePages(uint64_t phys_addr, int num_pages); 41 void deallocatePages(uint64_t phys_addr, int num_pages); 42 void handleMediaRequest(AddressSpaceDevicePingInfo *info); 43 static MediaCodecType getMediaCodecType(uint64_t metadata); 44 static MediaOperation getMediaOperation(uint64_t metadata); 45 46 #if defined(__APPLE__) && defined(__arm64__) 47 static constexpr uint32_t kPageSize = 16384; 48 static constexpr int kNumPages = 2049; // 32M + 16k 49 #else 50 static constexpr uint32_t kPageSize = 4096; 51 static constexpr int kNumPages = 1 + kPageSize * 2; // 32M + 4k 52 #endif 53 54 static constexpr int kAlignment = kPageSize; 55 56 bool isMemoryAllocated = false; 57 std::unique_ptr<MediaVpxDecoder> mVpxDecoder; 58 std::unique_ptr<MediaH264Decoder> mH264Decoder; 59 std::unique_ptr<MediaHevcDecoder> mHevcDecoder; 60 void* mHostBuffer = nullptr; 61 const address_space_device_control_ops* mControlOps = 0; 62 uint64_t mGuestAddr = 0; 63 }; 64 65 } // namespace emulation 66 } // namespace android 67