| /** |
| * Copyright (C) 2018 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 <binder/IServiceManager.h> |
| #include <binder/Parcel.h> |
| #include <sys/types.h> |
| #include <sys/wait.h> |
| #include <system/audio.h> |
| #include <utils/String16.h> |
| |
| using namespace android; |
| |
| enum { |
| SET_DEVICE_CONNECTION_STATE = IBinder::FIRST_CALL_TRANSACTION, |
| GET_DEVICE_CONNECTION_STATE, |
| HANDLE_DEVICE_CONFIG_CHANGE, |
| SET_PHONE_STATE, |
| SET_RINGER_MODE, |
| SET_FORCE_USE, |
| GET_FORCE_USE, |
| GET_OUTPUT, |
| START_OUTPUT, |
| STOP_OUTPUT, |
| RELEASE_OUTPUT, |
| GET_INPUT_FOR_ATTR, |
| START_INPUT, |
| STOP_INPUT, |
| RELEASE_INPUT, |
| INIT_STREAM_VOLUME, |
| SET_STREAM_VOLUME, |
| GET_STREAM_VOLUME, |
| GET_STRATEGY_FOR_STREAM, |
| GET_OUTPUT_FOR_EFFECT, |
| REGISTER_EFFECT, |
| UNREGISTER_EFFECT, |
| IS_STREAM_ACTIVE, |
| IS_SOURCE_ACTIVE, |
| GET_DEVICES_FOR_STREAM, |
| QUERY_DEFAULT_PRE_PROCESSING, |
| SET_EFFECT_ENABLED, |
| IS_STREAM_ACTIVE_REMOTELY, |
| IS_OFFLOAD_SUPPORTED, |
| LIST_AUDIO_PORTS, |
| GET_AUDIO_PORT, |
| CREATE_AUDIO_PATCH, |
| RELEASE_AUDIO_PATCH, |
| LIST_AUDIO_PATCHES, |
| SET_AUDIO_PORT_CONFIG, |
| REGISTER_CLIENT, |
| GET_OUTPUT_FOR_ATTR, |
| ACQUIRE_SOUNDTRIGGER_SESSION, |
| RELEASE_SOUNDTRIGGER_SESSION, |
| GET_PHONE_STATE, |
| REGISTER_POLICY_MIXES, |
| START_AUDIO_SOURCE, |
| STOP_AUDIO_SOURCE, |
| SET_AUDIO_PORT_CALLBACK_ENABLED, |
| SET_MASTER_MONO, |
| GET_MASTER_MONO, |
| }; |
| |
| int getOutputForAttr() { |
| sp<IServiceManager> sm = defaultServiceManager(); |
| sp<IBinder> binder = sm->getService(String16("media.audio_policy")); |
| Parcel data, reply; |
| data.writeInterfaceToken(String16("android.media.IAudioPolicyService")); |
| data.writeInt32(1); |
| audio_attributes_t attr; |
| memset(&attr, 0xff, sizeof(attr)); |
| attr.flags = 0; |
| memset(attr.tags, 0x41, AUDIO_ATTRIBUTES_TAGS_MAX_SIZE); |
| data.write(&attr, sizeof(attr)); |
| binder->transact(GET_OUTPUT_FOR_ATTR, data, &reply, 0); |
| return 0; |
| } |
| |
| int main() { |
| getOutputForAttr(); |
| return 0; |
| } |