eca1d45ba7
Add camera removal support to CameraProvider and CameraModule. Change-Id: I047e486d1665ba9e0b1455f77a7bbbb5e0d66653 Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@intel.com>
130 lines
5 KiB
C++
130 lines
5 KiB
C++
/*
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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 ANDROID_HARDWARE_CAMERA_PROVIDER_V2_4_CAMERAPROVIDER_H
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#define ANDROID_HARDWARE_CAMERA_PROVIDER_V2_4_CAMERAPROVIDER_H
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#include <regex>
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#include "hardware/camera_common.h"
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#include "utils/Mutex.h"
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#include "utils/SortedVector.h"
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#include <android/hardware/camera/provider/2.4/ICameraProvider.h>
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#include <hidl/Status.h>
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#include <hidl/MQDescriptor.h>
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#include "CameraModule.h"
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#include "VendorTagDescriptor.h"
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namespace android {
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namespace hardware {
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namespace camera {
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namespace provider {
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namespace V2_4 {
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namespace implementation {
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using ::android::hardware::camera::common::V1_0::CameraDeviceStatus;
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using ::android::hardware::camera::common::V1_0::Status;
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using ::android::hardware::camera::common::V1_0::TorchModeStatus;
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using ::android::hardware::camera::common::V1_0::VendorTag;
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using ::android::hardware::camera::common::V1_0::VendorTagSection;
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using ::android::hardware::camera::common::V1_0::helper::CameraModule;
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using ::android::hardware::camera::common::V1_0::helper::VendorTagDescriptor;
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using ::android::hardware::camera::provider::V2_4::ICameraProvider;
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using ::android::hardware::camera::provider::V2_4::ICameraProviderCallback;
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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using ::android::hardware::hidl_vec;
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using ::android::hardware::hidl_string;
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using ::android::sp;
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using ::android::Mutex;
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struct CameraProvider : public ICameraProvider, public camera_module_callbacks_t {
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CameraProvider();
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~CameraProvider();
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// Caller must use this method to check if CameraProvider ctor failed
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bool isInitFailed() { return mInitFailed; }
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// Methods from ::android::hardware::camera::provider::V2_4::ICameraProvider follow.
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Return<Status> setCallback(const sp<ICameraProviderCallback>& callback) override;
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Return<void> getVendorTags(getVendorTags_cb _hidl_cb) override;
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Return<void> getCameraIdList(getCameraIdList_cb _hidl_cb) override;
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Return<void> isSetTorchModeSupported(isSetTorchModeSupported_cb _hidl_cb) override;
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Return<void> getCameraDeviceInterface_V1_x(
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const hidl_string& cameraDeviceName,
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getCameraDeviceInterface_V1_x_cb _hidl_cb) override;
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Return<void> getCameraDeviceInterface_V3_x(
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const hidl_string& cameraDeviceName,
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getCameraDeviceInterface_V3_x_cb _hidl_cb) override;
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private:
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Mutex mCbLock;
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sp<ICameraProviderCallback> mCallbacks = nullptr;
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sp<CameraModule> mModule;
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int mNumberOfLegacyCameras;
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std::map<std::string, camera_device_status_t> mCameraStatusMap; // camera id -> status
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std::map<std::string, bool> mOpenLegacySupported; // camera id -> open_legacy HAL1.0 supported
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SortedVector<std::string> mCameraIds; // the "0"/"1" legacy camera Ids
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// (cameraId string, hidl device name) pairs
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SortedVector<std::pair<std::string, std::string>> mCameraDeviceNames;
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int mPreferredHal3MinorVersion;
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// Must be queried before using any APIs.
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// APIs will only work when this returns true
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bool mInitFailed;
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bool initialize();
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hidl_vec<VendorTagSection> mVendorTagSections;
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bool setUpVendorTags();
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int checkCameraVersion(int id, camera_info info);
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// create HIDL device name from camera ID and legacy device version
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std::string getHidlDeviceName(std::string cameraId, int deviceVersion);
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// extract legacy camera ID/device version from a HIDL device name
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static std::string getLegacyCameraId(const hidl_string& deviceName);
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static int getCameraDeviceVersion(const hidl_string& deviceName);
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// convert conventional HAL status to HIDL Status
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static Status getHidlStatus(int);
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// static callback forwarding methods
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static void sCameraDeviceStatusChange(
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const struct camera_module_callbacks* callbacks,
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int camera_id,
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int new_status);
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static void sTorchModeStatusChange(
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const struct camera_module_callbacks* callbacks,
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const char* camera_id,
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int new_status);
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void addDeviceNames(int camera_id, CameraDeviceStatus status = CameraDeviceStatus::PRESENT,
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bool cam_new = false);
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void removeDeviceNames(int camera_id);
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};
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extern "C" ICameraProvider* HIDL_FETCH_ICameraProvider(const char* name);
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} // namespace implementation
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} // namespace V2_4
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} // namespace provider
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} // namespace camera
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} // namespace hardware
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} // namespace android
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#endif // ANDROID_HARDWARE_CAMERA_PROVIDER_V2_4_CAMERAPROVIDER_H
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