| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef EMULATOR_CAMERA_HAL_HWL_CAMERA_PROVIDER_HWL_H |
| #define EMULATOR_CAMERA_HAL_HWL_CAMERA_PROVIDER_HWL_H |
| |
| #include <camera_provider_hwl.h> |
| #include <hal_types.h> |
| #include <json/json.h> |
| #include <json/reader.h> |
| #include <future> |
| |
| namespace android { |
| |
| using google_camera_hal::CameraBufferAllocatorHwl; |
| using google_camera_hal::CameraDeviceHwl; |
| using google_camera_hal::CameraDeviceStatus; |
| using google_camera_hal::CameraIdAndStreamConfiguration; |
| using google_camera_hal::CameraProviderHwl; |
| using google_camera_hal::DeviceState; |
| using google_camera_hal::HalCameraMetadata; |
| using google_camera_hal::HwlCameraProviderCallback; |
| using google_camera_hal::HwlPhysicalCameraDeviceStatusChangeFunc; |
| using google_camera_hal::HwlTorchModeStatusChangeFunc; |
| using google_camera_hal::VendorTagSection; |
| |
| class EmulatedCameraProviderHwlImpl : public CameraProviderHwl { |
| public: |
| // Return a unique pointer to EmulatedCameraProviderHwlImpl. Calling Create() |
| // again before the previous one is destroyed will fail. |
| static std::unique_ptr<EmulatedCameraProviderHwlImpl> Create(); |
| |
| virtual ~EmulatedCameraProviderHwlImpl() { |
| WaitForStatusCallbackFuture(); |
| } |
| |
| // Override functions in CameraProviderHwl. |
| status_t SetCallback(const HwlCameraProviderCallback& callback) override; |
| status_t TriggerDeferredCallbacks() override; |
| |
| status_t GetVendorTags( |
| std::vector<VendorTagSection>* vendor_tag_sections) override; |
| |
| status_t GetVisibleCameraIds(std::vector<std::uint32_t>* camera_ids) override; |
| |
| bool IsSetTorchModeSupported() override { |
| return true; |
| } |
| |
| status_t GetConcurrentStreamingCameraIds( |
| std::vector<std::unordered_set<uint32_t>>*) override; |
| |
| status_t IsConcurrentStreamCombinationSupported( |
| const std::vector<CameraIdAndStreamConfiguration>&, bool*) override; |
| |
| status_t CreateCameraDeviceHwl( |
| uint32_t camera_id, |
| std::unique_ptr<CameraDeviceHwl>* camera_device_hwl) override; |
| |
| status_t CreateBufferAllocatorHwl(std::unique_ptr<CameraBufferAllocatorHwl>* |
| camera_buffer_allocator_hwl) override; |
| |
| status_t NotifyDeviceStateChange(DeviceState device_state) override; |
| // End of override functions in CameraProviderHwl. |
| |
| private: |
| status_t Initialize(); |
| uint32_t ParseCharacteristics(const Json::Value& root, ssize_t id); |
| status_t GetTagFromName(const char* name, uint32_t* tag); |
| status_t WaitForQemuSfFakeCameraPropertyAvailable(); |
| bool SupportsMandatoryConcurrentStreams(uint32_t camera_id); |
| |
| std::vector<std::unique_ptr<HalCameraMetadata>> static_metadata_; |
| // Logical to physical camera Id mapping. Empty value vector in case |
| // of regular non-logical device. |
| std::unordered_map<uint32_t, std::vector<std::pair<CameraDeviceStatus, uint32_t>>> camera_id_map_; |
| HwlTorchModeStatusChangeFunc torch_cb_; |
| HwlPhysicalCameraDeviceStatusChangeFunc physical_camera_status_cb_; |
| |
| std::mutex status_callback_future_lock_; |
| std::future<void> status_callback_future_; |
| void WaitForStatusCallbackFuture(); |
| void NotifyPhysicalCameraUnavailable(); |
| }; |
| |
| extern "C" CameraProviderHwl* CreateCameraProviderHwl() { |
| auto provider = EmulatedCameraProviderHwlImpl::Create(); |
| return provider.release(); |
| } |
| |
| } // namespace android |
| |
| #endif // EMULATOR_CAMERA_HAL_HWL_CAMERA_PROVIDER_HWL_H |