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/*
**
** 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
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