Camera: default implementation of device 3.2
Test: compile
Bug: 30985004
Change-Id: Ibb48673840de6a5f7c75dc6993d5457a272177a2
diff --git a/camera/device/3.2/default/CameraDevice.h b/camera/device/3.2/default/CameraDevice.h
new file mode 100644
index 0000000..317eea5
--- /dev/null
+++ b/camera/device/3.2/default/CameraDevice.h
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2016 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 ANDROID_HARDWARE_CAMERA_DEVICE_V3_2_CAMERADEVICE_H
+#define ANDROID_HARDWARE_CAMERA_DEVICE_V3_2_CAMERADEVICE_H
+
+#include "utils/Mutex.h"
+#include "CameraModule.h"
+#include "CameraMetadata.h"
+#include "CameraDeviceSession.h"
+
+#include <android/hardware/camera/device/3.2/ICameraDevice.h>
+#include <hidl/Status.h>
+#include <hidl/MQDescriptor.h>
+
+namespace android {
+namespace hardware {
+namespace camera {
+namespace device {
+namespace V3_2 {
+namespace implementation {
+
+using ::android::hardware::camera::device::V3_2::RequestTemplate;
+using ::android::hardware::camera::device::V3_2::ICameraDevice;
+using ::android::hardware::camera::device::V3_2::ICameraDeviceCallback;
+using ::android::hardware::camera::device::V3_2::ICameraDeviceSession;
+using ::android::hardware::camera::common::V1_0::CameraResourceCost;
+using ::android::hardware::camera::common::V1_0::Status;
+using ::android::hardware::camera::common::V1_0::TorchMode;
+using ::android::hardware::camera::common::V1_0::helper::CameraModule;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::hidl_string;
+using ::android::sp;
+using ::android::Mutex;
+
+/*
+ * The camera device HAL implementation is opened lazily (via the open call)
+ */
+struct CameraDevice : public ICameraDevice {
+ // Called by provider HAL. Provider HAL must ensure the uniqueness of
+ // CameraDevice object per cameraId, or there could be multiple CameraDevice
+ // trying to access the same physical camera.
+ // Also, provider will have to keep track of all CameraDevice object in
+ // order to notify CameraDevice when the underlying camera is detached
+ CameraDevice(sp<CameraModule> module,
+ const std::string& cameraId,
+ const SortedVector<std::pair<std::string, std::string>>& cameraDeviceNames);
+ ~CameraDevice();
+ // Caller must use this method to check if CameraDevice ctor failed
+ bool isInitFailed() { return mInitFail; }
+ // Used by provider HAL to signal external camera disconnected
+ void setConnectionStatus(bool connected);
+
+ /* Methods from ::android::hardware::camera::device::V3_2::ICameraDevice follow. */
+ // The following method can be called without opening the actual camera device
+ Return<void> getResourceCost(getResourceCost_cb _hidl_cb) override;
+ Return<void> getCameraCharacteristics(getCameraCharacteristics_cb _hidl_cb) override;
+ Return<Status> setTorchMode(TorchMode mode) override;
+
+ // Open the device HAL and also return a default capture session
+ Return<void> open(const sp<ICameraDeviceCallback>& callback, open_cb _hidl_cb) override;
+
+
+ // Forward the dump call to the opened session, or do nothing
+ Return<void> dumpState(const ::android::hardware::hidl_handle& fd) override;
+ /* End of Methods from ::android::hardware::camera::device::V3_2::ICameraDevice */
+
+private:
+ // Passed from provider HAL. Should not change.
+ sp<CameraModule> mModule;
+ const std::string mCameraId;
+ // const after ctor
+ int mCameraIdInt;
+ int mDeviceVersion;
+ bool mInitFail = false;
+ // Set by provider (when external camera is connected/disconnected)
+ bool mDisconnected;
+ wp<CameraDeviceSession> mSession = nullptr;
+
+ const SortedVector<std::pair<std::string, std::string>>& mCameraDeviceNames;
+
+ // gating access to mSession and mDisconnected
+ mutable Mutex mLock;
+
+ // convert conventional HAL status to HIDL Status
+ static Status getHidlStatus(int);
+
+ Status initStatus() const;
+};
+
+} // namespace implementation
+} // namespace V3_2
+} // namespace device
+} // namespace camera
+} // namespace hardware
+} // namespace android
+
+#endif // ANDROID_HARDWARE_CAMERA_DEVICE_V3_2_CAMERADEVICE_H