| /* |
| * 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 */ |