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/*
**
** Copyright 2007, 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.
*/
#include <stdint.h>
#include <sys/types.h>
#include <binder/Parcel.h>
#include <media/IAudioRecord.h>
namespace android {
enum {
GET_CBLK = IBinder::FIRST_CALL_TRANSACTION,
START,
STOP
};
class BpAudioRecord : public BpInterface<IAudioRecord>
{
public:
BpAudioRecord(const sp<IBinder>& impl)
: BpInterface<IAudioRecord>(impl)
{
}
virtual status_t start()
{
Parcel data, reply;
data.writeInterfaceToken(IAudioRecord::getInterfaceDescriptor());
remote()->transact(START, data, &reply);
return reply.readInt32();
}
virtual void stop()
{
Parcel data, reply;
data.writeInterfaceToken(IAudioRecord::getInterfaceDescriptor());
remote()->transact(STOP, data, &reply);
}
virtual sp<IMemory> getCblk() const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioRecord::getInterfaceDescriptor());
remote()->transact(GET_CBLK, data, &reply);
return interface_cast<IMemory>(reply.readStrongBinder());
}
};
IMPLEMENT_META_INTERFACE(AudioRecord, "android.media.IAudioRecord");
// ----------------------------------------------------------------------
#define CHECK_INTERFACE(interface, data, reply) \
do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \
LOGW("Call incorrectly routed to " #interface); \
return PERMISSION_DENIED; \
} } while (0)
status_t BnAudioRecord::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case GET_CBLK: {
CHECK_INTERFACE(IAudioRecord, data, reply);
reply->writeStrongBinder(getCblk()->asBinder());
return NO_ERROR;
} break;
case START: {
CHECK_INTERFACE(IAudioRecord, data, reply);
reply->writeInt32(start());
return NO_ERROR;
} break;
case STOP: {
CHECK_INTERFACE(IAudioRecord, data, reply);
stop();
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
}; // namespace android
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