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/*
* Copyright (C) 2017 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_TAG "AAudio"
//#define LOG_NDEBUG 0
#include <utils/Log.h>
#include <aaudio/AAudio.h>
#include "binding/AAudioBinderClient.h"
#include "binding/AAudioServiceDefinitions.h"
#include "binding/IAAudioClient.h"
#include "utility/AAudioUtilities.h"
namespace android {
using aaudio::aaudio_handle_t;
/**
* This is used by the AAudio Service to talk to an AAudio Client.
*
* The order of parameters in the Parcels must match with code in AAudioClient.cpp.
*/
class BpAAudioClient : public BpInterface<IAAudioClient>
{
public:
explicit BpAAudioClient(const sp<IBinder>& impl)
: BpInterface<IAAudioClient>(impl)
{
}
void onStreamChange(aaudio_handle_t handle, int32_t opcode, int32_t value) override {
Parcel data, reply;
data.writeInterfaceToken(IAAudioClient::getInterfaceDescriptor());
data.writeInt32(handle);
data.writeInt32(opcode);
data.writeInt32(value);
remote()->transact(ON_STREAM_CHANGE, data, &reply, IBinder::FLAG_ONEWAY);
}
};
// Implement an interface to the service.
IMPLEMENT_META_INTERFACE(AAudioClient, "IAAudioClient");
// The order of parameters in the Parcels must match with code in BpAAudioClient
status_t BnAAudioClient::onTransact(uint32_t code, const Parcel& data,
Parcel* reply, uint32_t flags) {
aaudio_handle_t streamHandle;
int32_t opcode = 0;
int32_t value = 0;
ALOGV("BnAAudioClient::onTransact(%u) %u", code, flags);
switch(code) {
case ON_STREAM_CHANGE: {
CHECK_INTERFACE(IAAudioClient, data, reply);
data.readInt32(&streamHandle);
data.readInt32(&opcode);
data.readInt32(&value);
onStreamChange(streamHandle, opcode, value);
ALOGD("BnAAudioClient onStreamChange(%x, %d, %d)", streamHandle, opcode, value);
return NO_ERROR;
} break;
default:
// ALOGW("BnAAudioClient::onTransact not handled %u", code);
return BBinder::onTransact(code, data, reply, flags);
}
}
} /* namespace android */
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