192 lines
9.3 KiB
C++
192 lines
9.3 KiB
C++
/*
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* Copyright (C) 2022 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 HARDWARE_INTERFACES_CAMERA_DEVICE_DEFAULT_EXTERNALCAMERADEVICE_H_
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#define HARDWARE_INTERFACES_CAMERA_DEVICE_DEFAULT_EXTERNALCAMERADEVICE_H_
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#include <ExternalCameraDeviceSession.h>
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#include <ExternalCameraUtils.h>
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#include <aidl/android/hardware/camera/device/BnCameraDevice.h>
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namespace android {
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namespace hardware {
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namespace camera {
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namespace device {
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namespace implementation {
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using ::aidl::android::hardware::camera::common::CameraResourceCost;
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using ::aidl::android::hardware::camera::device::BnCameraDevice;
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using ::aidl::android::hardware::camera::device::CameraMetadata;
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using ::aidl::android::hardware::camera::device::ICameraDeviceCallback;
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using ::aidl::android::hardware::camera::device::ICameraDeviceSession;
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using ::aidl::android::hardware::camera::device::ICameraInjectionSession;
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using ::aidl::android::hardware::camera::device::StreamConfiguration;
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using ::android::hardware::camera::external::common::ExternalCameraConfig;
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class ExternalCameraDevice : public BnCameraDevice {
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public:
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// Called by external camera provider HAL.
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// Provider HAL must ensure the uniqueness of CameraDevice object per cameraId, or there could
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// be multiple CameraDevice trying to access the same physical camera. Also, provider will have
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// to keep track of all CameraDevice objects in order to notify CameraDevice when the underlying
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// camera is detached.
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ExternalCameraDevice(const std::string& devicePath, const ExternalCameraConfig& config);
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~ExternalCameraDevice() override;
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ndk::ScopedAStatus getCameraCharacteristics(CameraMetadata* _aidl_return) override;
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ndk::ScopedAStatus getPhysicalCameraCharacteristics(const std::string& in_physicalCameraId,
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CameraMetadata* _aidl_return) override;
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ndk::ScopedAStatus getResourceCost(CameraResourceCost* _aidl_return) override;
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ndk::ScopedAStatus isStreamCombinationSupported(const StreamConfiguration& in_streams,
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bool* _aidl_return) override;
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ndk::ScopedAStatus open(const std::shared_ptr<ICameraDeviceCallback>& in_callback,
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std::shared_ptr<ICameraDeviceSession>* _aidl_return) override;
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ndk::ScopedAStatus openInjectionSession(
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const std::shared_ptr<ICameraDeviceCallback>& in_callback,
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std::shared_ptr<ICameraInjectionSession>* _aidl_return) override;
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ndk::ScopedAStatus setTorchMode(bool in_on) override;
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ndk::ScopedAStatus turnOnTorchWithStrengthLevel(int32_t in_torchStrength) override;
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ndk::ScopedAStatus getTorchStrengthLevel(int32_t* _aidl_return) override;
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binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
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// Caller must use this method to check if CameraDevice ctor failed
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bool isInitFailed();
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// Device version to be used by the external camera provider.
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// Should be of the form <major>.<minor>
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static std::string kDeviceVersion;
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private:
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virtual std::shared_ptr<ExternalCameraDeviceSession> createSession(
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const std::shared_ptr<ICameraDeviceCallback>&, const ExternalCameraConfig& cfg,
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const std::vector<SupportedV4L2Format>& sortedFormats, const CroppingType& croppingType,
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const common::V1_0::helper::CameraMetadata& chars, const std::string& cameraId,
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unique_fd v4l2Fd);
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bool isInitFailedLocked();
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// Init supported w/h/format/fps in mSupportedFormats. Caller still owns fd
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void initSupportedFormatsLocked(int fd);
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// Calls into virtual member function. Do not use it in constructor
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status_t initCameraCharacteristics();
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// Init available capabilities keys
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virtual status_t initAvailableCapabilities(
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::android::hardware::camera::common::V1_0::helper::CameraMetadata*);
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// Init non-device dependent keys
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virtual status_t initDefaultCharsKeys(
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::android::hardware::camera::common::V1_0::helper::CameraMetadata*);
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// Init camera control chars keys. Caller still owns fd
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status_t initCameraControlsCharsKeys(
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int fd, ::android::hardware::camera::common::V1_0::helper::CameraMetadata*);
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// Init camera output configuration related keys. Caller still owns fd
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status_t initOutputCharsKeys(
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int fd, ::android::hardware::camera::common::V1_0::helper::CameraMetadata*);
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// Helper function for initOutputCharskeys
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template <size_t SIZE>
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status_t initOutputCharsKeysByFormat(
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::android::hardware::camera::common::V1_0::helper::CameraMetadata* metadata,
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uint32_t fourcc, const std::array<int, SIZE>& halFormats, int streamConfigTag,
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int streamConfiguration, int minFrameDuration, int stallDuration);
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status_t calculateMinFps(::android::hardware::camera::common::V1_0::helper::CameraMetadata*);
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static void getFrameRateList(int fd, double fpsUpperBound, SupportedV4L2Format* format);
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static void updateFpsBounds(int fd, CroppingType cropType,
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const std::vector<ExternalCameraConfig::FpsLimitation>& fpsLimits,
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SupportedV4L2Format format,
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std::vector<SupportedV4L2Format>& outFmts);
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// Get candidate supported formats list of input cropping type.
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static std::vector<SupportedV4L2Format> getCandidateSupportedFormatsLocked(
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int fd, CroppingType cropType,
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const std::vector<ExternalCameraConfig::FpsLimitation>& fpsLimits,
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const std::vector<ExternalCameraConfig::FpsLimitation>& depthFpsLimits,
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const Size& minStreamSize, bool depthEnabled);
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// Trim supported format list by the cropping type. Also sort output formats by width/height
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static void trimSupportedFormats(CroppingType cropType,
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/*inout*/ std::vector<SupportedV4L2Format>* pFmts);
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Mutex mLock;
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bool mInitialized = false;
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bool mInitFailed = false;
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std::string mCameraId;
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std::string mDevicePath;
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const ExternalCameraConfig& mCfg;
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std::vector<SupportedV4L2Format> mSupportedFormats;
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CroppingType mCroppingType;
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std::weak_ptr<ExternalCameraDeviceSession> mSession =
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std::weak_ptr<ExternalCameraDeviceSession>();
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::android::hardware::camera::common::V1_0::helper::CameraMetadata mCameraCharacteristics;
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const std::vector<int32_t> AVAILABLE_CHARACTERISTICS_KEYS = {
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ANDROID_COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES,
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ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES,
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ANDROID_CONTROL_AE_AVAILABLE_MODES,
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ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES,
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ANDROID_CONTROL_AE_COMPENSATION_RANGE,
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ANDROID_CONTROL_AE_COMPENSATION_STEP,
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ANDROID_CONTROL_AE_LOCK_AVAILABLE,
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ANDROID_CONTROL_AF_AVAILABLE_MODES,
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ANDROID_CONTROL_AVAILABLE_EFFECTS,
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ANDROID_CONTROL_AVAILABLE_MODES,
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ANDROID_CONTROL_AVAILABLE_SCENE_MODES,
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ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES,
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ANDROID_CONTROL_AWB_AVAILABLE_MODES,
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ANDROID_CONTROL_AWB_LOCK_AVAILABLE,
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ANDROID_CONTROL_MAX_REGIONS,
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ANDROID_FLASH_INFO_AVAILABLE,
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ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL,
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ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES,
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ANDROID_LENS_FACING,
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ANDROID_LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION,
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ANDROID_LENS_INFO_FOCUS_DISTANCE_CALIBRATION,
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ANDROID_NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES,
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ANDROID_REQUEST_AVAILABLE_CAPABILITIES,
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ANDROID_REQUEST_MAX_NUM_INPUT_STREAMS,
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ANDROID_REQUEST_MAX_NUM_OUTPUT_STREAMS,
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ANDROID_REQUEST_PARTIAL_RESULT_COUNT,
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ANDROID_REQUEST_PIPELINE_MAX_DEPTH,
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ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM,
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ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS,
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ANDROID_SCALER_CROPPING_TYPE,
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ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE,
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ANDROID_SENSOR_INFO_MAX_FRAME_DURATION,
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ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE,
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ANDROID_SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE,
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ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE,
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ANDROID_SENSOR_ORIENTATION,
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ANDROID_SHADING_AVAILABLE_MODES,
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ANDROID_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES,
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ANDROID_STATISTICS_INFO_AVAILABLE_HOT_PIXEL_MAP_MODES,
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ANDROID_STATISTICS_INFO_AVAILABLE_LENS_SHADING_MAP_MODES,
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ANDROID_STATISTICS_INFO_MAX_FACE_COUNT,
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ANDROID_SYNC_MAX_LATENCY};
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};
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} // namespace implementation
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} // namespace device
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} // namespace camera
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} // namespace hardware
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} // namespace android
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#endif // HARDWARE_INTERFACES_CAMERA_DEVICE_DEFAULT_EXTERNALCAMERADEVICE_H_
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