blob: b9cd14d839f315efdb1c634aa56285732a141a78 [file] [log] [blame]
/*
**
** 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 "IProCameraCallbacks"
#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/IProCameraCallbacks.h>
#include <system/camera_metadata.h>
namespace android {
enum {
NOTIFY_CALLBACK = IBinder::FIRST_CALL_TRANSACTION,
LOCK_STATUS_CHANGED,
RESULT_RECEIVED,
};
void readMetadata(const Parcel& data, camera_metadata_t** out);
void writeMetadata(Parcel& data, camera_metadata_t* metadata);
class BpProCameraCallbacks: public BpInterface<IProCameraCallbacks>
{
public:
BpProCameraCallbacks(const sp<IBinder>& impl)
: BpInterface<IProCameraCallbacks>(impl)
{
}
// generic callback from camera service to app
void notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2)
{
ALOGV("notifyCallback");
Parcel data, reply;
data.writeInterfaceToken(IProCameraCallbacks::getInterfaceDescriptor());
data.writeInt32(msgType);
data.writeInt32(ext1);
data.writeInt32(ext2);
remote()->transact(NOTIFY_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
}
void onLockStatusChanged(LockStatus newLockStatus) {
ALOGV("onLockStatusChanged");
Parcel data, reply;
data.writeInterfaceToken(IProCameraCallbacks::getInterfaceDescriptor());
data.writeInt32(newLockStatus);
remote()->transact(LOCK_STATUS_CHANGED, data, &reply,
IBinder::FLAG_ONEWAY);
}
void onResultReceived(int32_t frameId, camera_metadata* result) {
ALOGV("onResultReceived");
Parcel data, reply;
data.writeInterfaceToken(IProCameraCallbacks::getInterfaceDescriptor());
data.writeInt32(frameId);
writeMetadata(data, result);
remote()->transact(RESULT_RECEIVED, data, &reply, IBinder::FLAG_ONEWAY);
}
};
IMPLEMENT_META_INTERFACE(ProCameraCallbacks,
"android.hardware.IProCameraCallbacks");
// ----------------------------------------------------------------------
status_t BnProCameraCallbacks::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
ALOGV("onTransact - code = %d", code);
switch(code) {
case NOTIFY_CALLBACK: {
ALOGV("NOTIFY_CALLBACK");
CHECK_INTERFACE(IProCameraCallbacks, 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 LOCK_STATUS_CHANGED: {
ALOGV("LOCK_STATUS_CHANGED");
CHECK_INTERFACE(IProCameraCallbacks, data, reply);
LockStatus newLockStatus
= static_cast<LockStatus>(data.readInt32());
onLockStatusChanged(newLockStatus);
return NO_ERROR;
} break;
case RESULT_RECEIVED: {
ALOGV("RESULT_RECEIVED");
CHECK_INTERFACE(IProCameraCallbacks, data, reply);
int32_t frameId = data.readInt32();
camera_metadata_t *result = NULL;
readMetadata(data, &result);
onResultReceived(frameId, result);
return NO_ERROR;
break;
}
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------------
}; // namespace android