120 lines
4.0 KiB
C++
120 lines
4.0 KiB
C++
/*
|
|
**
|
|
** Copyright 2008, 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 "ICameraClient"
|
|
#include <utils/Log.h>
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
#include <ui/ICameraClient.h>
|
|
|
|
namespace android {
|
|
|
|
enum {
|
|
NOTIFY_CALLBACK = IBinder::FIRST_CALL_TRANSACTION,
|
|
DATA_CALLBACK,
|
|
DATA_CALLBACK_TIMESTAMP,
|
|
};
|
|
|
|
class BpCameraClient: public BpInterface<ICameraClient>
|
|
{
|
|
public:
|
|
BpCameraClient(const sp<IBinder>& impl)
|
|
: BpInterface<ICameraClient>(impl)
|
|
{
|
|
}
|
|
|
|
// generic callback from camera service to app
|
|
void notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2)
|
|
{
|
|
LOGV("notifyCallback");
|
|
Parcel data, reply;
|
|
data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
|
|
data.writeInt32(msgType);
|
|
data.writeInt32(ext1);
|
|
data.writeInt32(ext2);
|
|
remote()->transact(NOTIFY_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
|
|
}
|
|
|
|
// generic data callback from camera service to app with image data
|
|
void dataCallback(int32_t msgType, const sp<IMemory>& imageData)
|
|
{
|
|
LOGV("dataCallback");
|
|
Parcel data, reply;
|
|
data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
|
|
data.writeInt32(msgType);
|
|
data.writeStrongBinder(imageData->asBinder());
|
|
remote()->transact(DATA_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
|
|
}
|
|
|
|
// generic data callback from camera service to app with image data
|
|
void dataCallbackTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& imageData)
|
|
{
|
|
LOGV("dataCallback");
|
|
Parcel data, reply;
|
|
data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
|
|
data.writeInt64(timestamp);
|
|
data.writeInt32(msgType);
|
|
data.writeStrongBinder(imageData->asBinder());
|
|
remote()->transact(DATA_CALLBACK_TIMESTAMP, data, &reply, IBinder::FLAG_ONEWAY);
|
|
}
|
|
};
|
|
|
|
IMPLEMENT_META_INTERFACE(CameraClient, "android.hardware.ICameraClient");
|
|
|
|
// ----------------------------------------------------------------------
|
|
|
|
status_t BnCameraClient::onTransact(
|
|
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
|
|
{
|
|
switch(code) {
|
|
case NOTIFY_CALLBACK: {
|
|
LOGV("NOTIFY_CALLBACK");
|
|
CHECK_INTERFACE(ICameraClient, data, reply);
|
|
int32_t msgType = data.readInt32();
|
|
int32_t ext1 = data.readInt32();
|
|
int32_t ext2 = data.readInt32();
|
|
notifyCallback(msgType, ext1, ext2);
|
|
return NO_ERROR;
|
|
} break;
|
|
case DATA_CALLBACK: {
|
|
LOGV("DATA_CALLBACK");
|
|
CHECK_INTERFACE(ICameraClient, data, reply);
|
|
int32_t msgType = data.readInt32();
|
|
sp<IMemory> imageData = interface_cast<IMemory>(data.readStrongBinder());
|
|
dataCallback(msgType, imageData);
|
|
return NO_ERROR;
|
|
} break;
|
|
case DATA_CALLBACK_TIMESTAMP: {
|
|
LOGV("DATA_CALLBACK_TIMESTAMP");
|
|
CHECK_INTERFACE(ICameraClient, data, reply);
|
|
nsecs_t timestamp = data.readInt64();
|
|
int32_t msgType = data.readInt32();
|
|
sp<IMemory> imageData = interface_cast<IMemory>(data.readStrongBinder());
|
|
dataCallbackTimestamp(timestamp, msgType, imageData);
|
|
return NO_ERROR;
|
|
} break;
|
|
default:
|
|
return BBinder::onTransact(code, data, reply, flags);
|
|
}
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
}; // namespace android
|
|
|