IAudioManager.cpp revision 0008a48aadba9d59b1d72586224d0a5afb9fb684
10008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi/* 20008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi * Copyright (C) 2016 The Android Open Source Project 30008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi * 40008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi * Licensed under the Apache License, Version 2.0 (the "License"); 50008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi * you may not use this file except in compliance with the License. 60008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi * You may obtain a copy of the License at 70008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi * 80008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi * http://www.apache.org/licenses/LICENSE-2.0 90008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi * 100008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi * Unless required by applicable law or agreed to in writing, software 110008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi * distributed under the License is distributed on an "AS IS" BASIS, 120008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 130008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi * See the License for the specific language governing permissions and 140008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi * limitations under the License. 150008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi */ 160008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi 170008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi#define LOG_TAG "IAudioManager" 180008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi//#define LOG_NDEBUG 0 190008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi#include <utils/Log.h> 200008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi 210008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi#include <stdint.h> 220008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi#include <sys/types.h> 230008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi 240008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi#include <binder/Parcel.h> 250008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi#include <audiomanager/AudioManager.h> 260008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi#include <audiomanager/IAudioManager.h> 270008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi 280008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivinamespace android { 290008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi 300008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Triviclass BpAudioManager : public BpInterface<IAudioManager> 310008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi{ 320008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivipublic: 330008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi explicit BpAudioManager(const sp<IBinder>& impl) 340008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi : BpInterface<IAudioManager>(impl) 350008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi { 360008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi } 370008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi 380008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi virtual audio_unique_id_t trackPlayer(int playerType, int usage, int content) { 390008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi Parcel data, reply; 400008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor()); 410008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(1); // non-null PlayerIdCard parcelable 420008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi // marshall PlayerIdCard data 430008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32((int32_t) playerType); 440008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi // write attributes of PlayerIdCard 450008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(usage); 460008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(content); 470008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(0 /*source: none here, this is a player*/); 480008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(0 /*flags*/); 490008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi // write attributes' tags 500008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(1 /*FLATTEN_TAGS*/); 510008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeString16(String16("")); // no tags 520008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi // write attributes' bundle 530008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(-1977 /*ATTR_PARCEL_IS_NULL_BUNDLE*/); // no bundle 540008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi // get new PIId in reply 550008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi const status_t res = remote()->transact(TRACK_PLAYER, data, &reply, 0); 560008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi if (res != OK || reply.readExceptionCode() != 0) { 570008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi ALOGE("trackPlayer() failed, piid is %d", PLAYER_PIID_INVALID); 580008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi return PLAYER_PIID_INVALID; 590008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi } else { 600008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi const audio_unique_id_t piid = (audio_unique_id_t) reply.readInt32(); 610008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi ALOGV("trackPlayer() returned piid %d", piid); 620008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi return piid; 630008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi } 640008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi } 650008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi 660008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi virtual status_t playerAttributes(audio_unique_id_t piid, int usage, int content) { 670008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi Parcel data, reply; 680008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor()); 690008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(piid); 700008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(1); // non-null AudioAttributes parcelable 710008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(usage); 720008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(content); 730008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(0 /*source: none here, this is a player*/); 740008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(0 /*flags*/); 750008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi // write attributes' tags 760008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(1 /*FLATTEN_TAGS*/); 770008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeString16(String16("")); // no tags 780008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi // write attributes' bundle 790008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(-1977 /*ATTR_PARCEL_IS_NULL_BUNDLE*/); // no bundle 800008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi return remote()->transact(PLAYER_ATTRIBUTES, data, &reply, IBinder::FLAG_ONEWAY); 810008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi } 820008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi 830008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi virtual status_t playerEvent(int piid, int event) { 840008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi Parcel data, reply; 850008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor()); 860008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(piid); 870008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(event); 880008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi return remote()->transact(PLAYER_EVENT, data, &reply, IBinder::FLAG_ONEWAY); 890008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi } 900008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi 910008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi virtual status_t releasePlayer(int piid) { 920008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi Parcel data, reply; 930008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor()); 940008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi data.writeInt32(piid); 950008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi return remote()->transact(RELEASE_PLAYER, data, &reply, IBinder::FLAG_ONEWAY); 960008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi } 970008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi}; 980008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi 990008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel TriviIMPLEMENT_META_INTERFACE(AudioManager, "android.media.IAudioService"); 1000008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi 1010008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi// ---------------------------------------------------------------------------- 1020008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi 1030008a48aadba9d59b1d72586224d0a5afb9fb684Jean-Michel Trivi}; // namespace android 104