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102 lines
3.5 KiB
102 lines
3.5 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef CAMERA_COMMON_1_0_CAMERAMODULE_H
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#define CAMERA_COMMON_1_0_CAMERAMODULE_H
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#include <string>
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#include <unordered_set>
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#include <hardware/camera.h>
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#include <utils/Mutex.h>
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#include <utils/KeyedVector.h>
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#include <utils/RefBase.h>
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#include "CameraMetadata.h"
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namespace android {
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namespace hardware {
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namespace camera {
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namespace common {
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namespace V1_0 {
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namespace helper {
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/**
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* A wrapper class for HAL camera module.
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*
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* This class wraps camera_module_t returned from HAL to provide a wrapped
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* get_camera_info implementation which CameraService generates some
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* camera characteristics keys defined in newer HAL version on an older HAL.
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*/
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class CameraModule : public RefBase {
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public:
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explicit CameraModule(camera_module_t *module);
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virtual ~CameraModule();
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// Must be called after construction
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// Returns OK on success, NO_INIT on failure
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int init();
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int getCameraInfo(int cameraId, struct camera_info *info);
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int getDeviceVersion(int cameraId);
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int getNumberOfCameras(void);
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int open(const char* id, struct hw_device_t** device);
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bool isOpenLegacyDefined() const;
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int openLegacy(const char* id, uint32_t halVersion, struct hw_device_t** device);
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int setCallbacks(const camera_module_callbacks_t *callbacks);
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bool isVendorTagDefined() const;
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void getVendorTagOps(vendor_tag_ops_t* ops);
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bool isSetTorchModeSupported() const;
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int setTorchMode(const char* camera_id, bool enable);
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uint16_t getModuleApiVersion() const;
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const char* getModuleName() const;
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uint16_t getHalApiVersion() const;
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const char* getModuleAuthor() const;
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// Only used by CameraModuleFixture native test. Do NOT use elsewhere.
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void *getDso();
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// Only used by CameraProvider
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void removeCamera(int cameraId);
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int getPhysicalCameraInfo(int physicalCameraId, camera_metadata_t **physicalInfo);
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int isStreamCombinationSupported(int cameraId, camera_stream_combination_t *streams);
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void notifyDeviceStateChange(uint64_t deviceState);
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static bool isLogicalMultiCamera(
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const common::V1_0::helper::CameraMetadata& metadata,
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std::unordered_set<std::string>* physicalCameraIds);
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private:
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// Derive camera characteristics keys defined after HAL device version
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static void deriveCameraCharacteristicsKeys(uint32_t deviceVersion, CameraMetadata &chars);
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// Helper function to append available[request|result|chars]Keys
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static void appendAvailableKeys(CameraMetadata &chars,
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int32_t keyTag, const Vector<int32_t>& appendKeys);
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status_t filterOpenErrorCode(status_t err);
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camera_module_t *mModule;
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int mNumberOfCameras;
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KeyedVector<int, camera_info> mCameraInfoMap;
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KeyedVector<int, int> mDeviceVersionMap;
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KeyedVector<int, camera_metadata_t*> mPhysicalCameraInfoMap;
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Mutex mCameraInfoLock;
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};
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} // namespace helper
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} // namespace V1_0
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} // namespace common
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} // namespace camera
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} // namespace hardware
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} // namespace android
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#endif
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