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Diffstat (limited to 'camera/camera2/ICameraDeviceCallbacks.cpp')
-rw-r--r-- | camera/camera2/ICameraDeviceCallbacks.cpp | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/camera/camera2/ICameraDeviceCallbacks.cpp b/camera/camera2/ICameraDeviceCallbacks.cpp new file mode 100644 index 0000000..613358a --- /dev/null +++ b/camera/camera2/ICameraDeviceCallbacks.cpp @@ -0,0 +1,148 @@ +/* +** +** Copyright 2013, 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. +*/ + +//#define LOG_NDEBUG 0 +#define LOG_TAG "ICameraDeviceCallbacks" +#include <utils/Log.h> +#include <stdint.h> +#include <sys/types.h> + +#include <binder/Parcel.h> +#include <gui/IGraphicBufferProducer.h> +#include <gui/Surface.h> +#include <utils/Mutex.h> + +#include <camera/camera2/ICameraDeviceCallbacks.h> +#include "camera/CameraMetadata.h" + +namespace android { + +enum { + CAMERA_ERROR = IBinder::FIRST_CALL_TRANSACTION, + CAMERA_IDLE, + CAPTURE_STARTED, + RESULT_RECEIVED, +}; + +class BpCameraDeviceCallbacks: public BpInterface<ICameraDeviceCallbacks> +{ +public: + BpCameraDeviceCallbacks(const sp<IBinder>& impl) + : BpInterface<ICameraDeviceCallbacks>(impl) + { + } + + void onDeviceError(CameraErrorCode errorCode) + { + ALOGV("onDeviceError"); + Parcel data, reply; + data.writeInterfaceToken(ICameraDeviceCallbacks::getInterfaceDescriptor()); + data.writeInt32(static_cast<int32_t>(errorCode)); + remote()->transact(CAMERA_ERROR, data, &reply, IBinder::FLAG_ONEWAY); + data.writeNoException(); + } + + void onDeviceIdle() + { + ALOGV("onDeviceIdle"); + Parcel data, reply; + data.writeInterfaceToken(ICameraDeviceCallbacks::getInterfaceDescriptor()); + remote()->transact(CAMERA_IDLE, data, &reply, IBinder::FLAG_ONEWAY); + data.writeNoException(); + } + + void onCaptureStarted(int32_t requestId, int64_t timestamp) + { + ALOGV("onCaptureStarted"); + Parcel data, reply; + data.writeInterfaceToken(ICameraDeviceCallbacks::getInterfaceDescriptor()); + data.writeInt32(requestId); + data.writeInt64(timestamp); + remote()->transact(CAPTURE_STARTED, data, &reply, IBinder::FLAG_ONEWAY); + data.writeNoException(); + } + + + void onResultReceived(int32_t requestId, const CameraMetadata& result) { + ALOGV("onResultReceived"); + Parcel data, reply; + data.writeInterfaceToken(ICameraDeviceCallbacks::getInterfaceDescriptor()); + data.writeInt32(requestId); + data.writeInt32(1); // to mark presence of metadata object + result.writeToParcel(&data); + remote()->transact(RESULT_RECEIVED, data, &reply, IBinder::FLAG_ONEWAY); + data.writeNoException(); + } +}; + +IMPLEMENT_META_INTERFACE(CameraDeviceCallbacks, + "android.hardware.camera2.ICameraDeviceCallbacks"); + +// ---------------------------------------------------------------------- + +status_t BnCameraDeviceCallbacks::onTransact( + uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) +{ + ALOGV("onTransact - code = %d", code); + switch(code) { + case CAMERA_ERROR: { + ALOGV("onDeviceError"); + CHECK_INTERFACE(ICameraDeviceCallbacks, data, reply); + CameraErrorCode errorCode = + static_cast<CameraErrorCode>(data.readInt32()); + onDeviceError(errorCode); + data.readExceptionCode(); + return NO_ERROR; + } break; + case CAMERA_IDLE: { + ALOGV("onDeviceIdle"); + CHECK_INTERFACE(ICameraDeviceCallbacks, data, reply); + onDeviceIdle(); + data.readExceptionCode(); + return NO_ERROR; + } break; + case CAPTURE_STARTED: { + ALOGV("onCaptureStarted"); + CHECK_INTERFACE(ICameraDeviceCallbacks, data, reply); + int32_t requestId = data.readInt32(); + int64_t timestamp = data.readInt64(); + onCaptureStarted(requestId, timestamp); + data.readExceptionCode(); + return NO_ERROR; + } break; + case RESULT_RECEIVED: { + ALOGV("onResultReceived"); + CHECK_INTERFACE(ICameraDeviceCallbacks, data, reply); + int32_t requestId = data.readInt32(); + CameraMetadata result; + if (data.readInt32() != 0) { + result.readFromParcel(const_cast<Parcel*>(&data)); + } else { + ALOGW("No metadata object is present in result"); + } + onResultReceived(requestId, result); + data.readExceptionCode(); + return NO_ERROR; + } break; + default: + return BBinder::onTransact(code, data, reply, flags); + } +} + +// ---------------------------------------------------------------------------- + +}; // namespace android |