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Commit 555ba4c0 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Android (Google) Code Review
Browse files

Merge "Native interface to AudioService"

parents 8bcd61c5 0008a48a

include/audiomanager/AudioManager.h

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/*

 * Copyright (C) 2016 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.

 */



#ifndef ANDROID_AUDIOMANAGER_H

#define ANDROID_AUDIOMANAGER_H



namespace android {



// must be kept in sync with definitions in AudioPlaybackConfiguration.java



#define PLAYER_PIID_INVALID -1



enum {

    PLAYER_TYPE_SLES_AUDIOPLAYER_BUFFERQUEUE = 11,

    PLAYER_TYPE_SLES_AUDIOPLAYER_URI_FD = 12,

};



enum {

    PLAYER_STATE_UNKNOWN  = -1,

    PLAYER_STATE_RELEASED = 0,

    PLAYER_STATE_IDLE     = 1,

    PLAYER_STATE_STARTED  = 2,

    PLAYER_STATE_PAUSED   = 3,

    PLAYER_STATE_STOPPED  = 4,

};



}; // namespace android



#endif // ANDROID_AUDIOMANAGER_H

include/audiomanager/IAudioManager.h

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/*

 * Copyright (C) 2016 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.

 */



#ifndef ANDROID_IAUDIOMANAGER_H

#define ANDROID_IAUDIOMANAGER_H



#include <utils/Errors.h>

#include <binder/IInterface.h>

#include <hardware/power.h>

#include <system/audio.h>



namespace android {



// ----------------------------------------------------------------------------



class IAudioManager : public IInterface

{

public:

    // These transaction IDs must be kept in sync with the method order from

    // IAudioService.aidl.

    enum {

        // transaction IDs for the unsupported methods are commented out

        /*

        ADJUSTSUGGESTEDSTREAMVOLUME           = IBinder::FIRST_CALL_TRANSACTION,

        ADJUSTSTREAMVOLUME                    = IBinder::FIRST_CALL_TRANSACTION + 1,

        SETSTREAMVOLUME                       = IBinder::FIRST_CALL_TRANSACTION + 2,

        ISSTREAMMUTE                          = IBinder::FIRST_CALL_TRANSACTION + 3,

        FORCEREMOTESUBMIXFULLVOLUME           = IBinder::FIRST_CALL_TRANSACTION + 4,

        ISMASTERMUTE                          = IBinder::FIRST_CALL_TRANSACTION + 5,

        SETMASTERMUTE                         = IBinder::FIRST_CALL_TRANSACTION + 6,

        GETSTREAMVOLUME                       = IBinder::FIRST_CALL_TRANSACTION + 7,

        GETSTREAMMINVOLUME                    = IBinder::FIRST_CALL_TRANSACTION + 8,

        GETSTREAMMAXVOLUME                    = IBinder::FIRST_CALL_TRANSACTION + 9,

        GETLASTAUDIBLESTREAMVOLUME            = IBinder::FIRST_CALL_TRANSACTION + 10,

        SETMICROPHONEMUTE                     = IBinder::FIRST_CALL_TRANSACTION + 11,

        SETRINGERMODEEXTERNAL                 = IBinder::FIRST_CALL_TRANSACTION + 12,

        SETRINGERMODEINTERNAL                 = IBinder::FIRST_CALL_TRANSACTION + 13,

        GETRINGERMODEEXTERNAL                 = IBinder::FIRST_CALL_TRANSACTION + 14,

        GETRINGERMODEINTERNAL                 = IBinder::FIRST_CALL_TRANSACTION + 15,

        ISVALIDRINGERMODE                     = IBinder::FIRST_CALL_TRANSACTION + 16,

        SETVIBRATESETTING                     = IBinder::FIRST_CALL_TRANSACTION + 17,

        GETVIBRATESETTING                     = IBinder::FIRST_CALL_TRANSACTION + 18,

        SHOULDVIBRATE                         = IBinder::FIRST_CALL_TRANSACTION + 19,

        SETMODE                               = IBinder::FIRST_CALL_TRANSACTION + 20,

        GETMODE                               = IBinder::FIRST_CALL_TRANSACTION + 21,

        PLAYSOUNDEFFECT                       = IBinder::FIRST_CALL_TRANSACTION + 22,

        PLAYSOUNDEFFECTVOLUME                 = IBinder::FIRST_CALL_TRANSACTION + 23,

        LOADSOUNDEFFECTS                      = IBinder::FIRST_CALL_TRANSACTION + 24,

        UNLOADSOUNDEFFECTS                    = IBinder::FIRST_CALL_TRANSACTION + 25,

        RELOADAUDIOSETTINGS                   = IBinder::FIRST_CALL_TRANSACTION + 26,

        AVRCPSUPPORTSABSOLUTEVOLUME           = IBinder::FIRST_CALL_TRANSACTION + 27,

        SETSPEAKERPHONEON                     = IBinder::FIRST_CALL_TRANSACTION + 28,

        ISSPEAKERPHONEON                      = IBinder::FIRST_CALL_TRANSACTION + 29,

        SETBLUETOOTHSCOON                     = IBinder::FIRST_CALL_TRANSACTION + 30,

        ISBLUETOOTHSCOON                      = IBinder::FIRST_CALL_TRANSACTION + 31,

        SETBLUETOOTHA2DPON                    = IBinder::FIRST_CALL_TRANSACTION + 32,

        ISBLUETOOTHA2DPON                     = IBinder::FIRST_CALL_TRANSACTION + 33,

        REQUESTAUDIOFOCUS                     = IBinder::FIRST_CALL_TRANSACTION + 34,

        ABANDONAUDIOFOCUS                     = IBinder::FIRST_CALL_TRANSACTION + 35,

        UNREGISTERAUDIOFOCUSCLIENT            = IBinder::FIRST_CALL_TRANSACTION + 36,

        GETCURRENTAUDIOFOCUS                  = IBinder::FIRST_CALL_TRANSACTION + 37,

        STARTBLUETOOTHSCO                     = IBinder::FIRST_CALL_TRANSACTION + 38,

        STARTBLUETOOTHSCOVIRTUALCALL          = IBinder::FIRST_CALL_TRANSACTION + 39,

        STOPBLUETOOTHSCO                      = IBinder::FIRST_CALL_TRANSACTION + 40,

        FORCEVOLUMECONTROLSTREAM              = IBinder::FIRST_CALL_TRANSACTION + 41,

        SETRINGTONEPLAYER                     = IBinder::FIRST_CALL_TRANSACTION + 42,

        GETRINGTONEPLAYER                     = IBinder::FIRST_CALL_TRANSACTION + 43,

        GETUISOUNDSSTREAMTYPE                 = IBinder::FIRST_CALL_TRANSACTION + 44,

        SETWIREDDEVICECONNECTIONSTATE         = IBinder::FIRST_CALL_TRANSACTION + 45,

        SETBLUETOOTHA2DPDEVICECONNECTIONSTATE = IBinder::FIRST_CALL_TRANSACTION + 46,

        HANDLEBLUETOOTHA2DPDEVICECONFIGCHANGE = IBinder::FIRST_CALL_TRANSACTION + 47,

        STARTWATCHINGROUTES                   = IBinder::FIRST_CALL_TRANSACTION + 48,

        ISCAMERASOUNDFORCED                   = IBinder::FIRST_CALL_TRANSACTION + 49,

        SETVOLUMECONTROLLER                   = IBinder::FIRST_CALL_TRANSACTION + 50,

        NOTIFYVOLUMECONTROLLERVISIBLE         = IBinder::FIRST_CALL_TRANSACTION + 51,

        ISSTREAMAFFECTEDBYRINGERMODE          = IBinder::FIRST_CALL_TRANSACTION + 52,

        ISSTREAMAFFECTEDBYMUTE                = IBinder::FIRST_CALL_TRANSACTION + 53,

        DISABLESAFEMEDIAVOLUME                = IBinder::FIRST_CALL_TRANSACTION + 54,

        SETHDMISYSTEMAUDIOSUPPORTED           = IBinder::FIRST_CALL_TRANSACTION + 55,

        ISHDMISYSTEMAUDIOSUPPORTED            = IBinder::FIRST_CALL_TRANSACTION + 56,

        REGISTERAUDIOPOLICY                   = IBinder::FIRST_CALL_TRANSACTION + 57,

        UNREGISTERAUDIOPOLICYASYNC            = IBinder::FIRST_CALL_TRANSACTION + 58,

        SETFOCUSPROPERTIESFORPOLICY           = IBinder::FIRST_CALL_TRANSACTION + 59,

        SETVOLUMEPOLICY                       = IBinder::FIRST_CALL_TRANSACTION + 60,

        REGISTERRECORDINGCALLBACK             = IBinder::FIRST_CALL_TRANSACTION + 61,

        UNREGISTERRECORDINGCALLBACK           = IBinder::FIRST_CALL_TRANSACTION + 62,

        GETACTIVERECORDINGCONFIGURATIONS      = IBinder::FIRST_CALL_TRANSACTION + 63,

        REGISTERPLAYBACKCALLBACK              = IBinder::FIRST_CALL_TRANSACTION + 64,

        UNREGISTERPLAYBACKCALLBACK            = IBinder::FIRST_CALL_TRANSACTION + 65,

        GETACTIVEPLAYBACKCONFIGURATIONS       = IBinder::FIRST_CALL_TRANSACTION + 66,

        */



        TRACK_PLAYER                          = IBinder::FIRST_CALL_TRANSACTION + 67,

        PLAYER_ATTRIBUTES                     = IBinder::FIRST_CALL_TRANSACTION + 68,

        PLAYER_EVENT                          = IBinder::FIRST_CALL_TRANSACTION + 69,

        RELEASE_PLAYER                        = IBinder::FIRST_CALL_TRANSACTION + 70,



    };



    DECLARE_META_INTERFACE(AudioManager)



    // The parcels created by these methods must be kept in sync with the

    // corresponding methods from IAudioService.aidl and objects it imports.

    virtual audio_unique_id_t trackPlayer(int playerType, int usage, int content) = 0;

    /*oneway*/ virtual status_t playerAttributes(audio_unique_id_t piid, int usage, int content)= 0;

    /*oneway*/ virtual status_t playerEvent(int piid, int event) = 0;

    /*oneway*/ virtual status_t releasePlayer(int piid) = 0;

};



// ----------------------------------------------------------------------------



}; // namespace android



#endif // ANDROID_IAUDIOMANAGER_H

services/audiomanager/Android.bp

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cc_library_shared {

    name: "libaudiomanager",



    srcs: ["IAudioManager.cpp"],



    shared_libs: [

        "libutils",

        "libbinder",

        "liblog",

    ],



    cflags: [

        "-Wall",

        "-Werror",

        "-Wunused",

        "-Wunreachable-code",

    ],

}

services/audiomanager/IAudioManager.cpp

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/*

 * Copyright (C) 2016 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 "IAudioManager"

//#define LOG_NDEBUG 0

#include <utils/Log.h>



#include <stdint.h>

#include <sys/types.h>



#include <binder/Parcel.h>

#include <audiomanager/AudioManager.h>

#include <audiomanager/IAudioManager.h>



namespace android {



class BpAudioManager : public BpInterface<IAudioManager>

{

public:

    explicit BpAudioManager(const sp<IBinder>& impl)

        : BpInterface<IAudioManager>(impl)

    {

    }



    virtual audio_unique_id_t trackPlayer(int playerType, int usage, int content) {

        Parcel data, reply;

        data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());

        data.writeInt32(1); // non-null PlayerIdCard parcelable

        // marshall PlayerIdCard data

        data.writeInt32((int32_t) playerType);

        //   write attributes of PlayerIdCard

        data.writeInt32(usage);

        data.writeInt32(content);

        data.writeInt32(0 /*source: none here, this is a player*/);

        data.writeInt32(0 /*flags*/);

        //   write attributes' tags

        data.writeInt32(1 /*FLATTEN_TAGS*/);

        data.writeString16(String16("")); // no tags

        //   write attributes' bundle

        data.writeInt32(-1977 /*ATTR_PARCEL_IS_NULL_BUNDLE*/); // no bundle

        // get new PIId in reply

        const status_t res = remote()->transact(TRACK_PLAYER, data, &reply, 0);

        if (res != OK || reply.readExceptionCode() != 0) {

            ALOGE("trackPlayer() failed, piid is %d", PLAYER_PIID_INVALID);

            return PLAYER_PIID_INVALID;

        } else {

            const audio_unique_id_t piid = (audio_unique_id_t) reply.readInt32();

            ALOGV("trackPlayer() returned piid %d", piid);

            return piid;

        }

    }



    virtual status_t playerAttributes(audio_unique_id_t piid, int usage, int content) {

        Parcel data, reply;

        data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());

        data.writeInt32(piid);

        data.writeInt32(1); // non-null AudioAttributes parcelable

        data.writeInt32(usage);

        data.writeInt32(content);

        data.writeInt32(0 /*source: none here, this is a player*/);

        data.writeInt32(0 /*flags*/);

        //   write attributes' tags

        data.writeInt32(1 /*FLATTEN_TAGS*/);

        data.writeString16(String16("")); // no tags

        //   write attributes' bundle

        data.writeInt32(-1977 /*ATTR_PARCEL_IS_NULL_BUNDLE*/); // no bundle

        return remote()->transact(PLAYER_ATTRIBUTES, data, &reply, IBinder::FLAG_ONEWAY);

    }



    virtual status_t playerEvent(int piid, int event) {

        Parcel data, reply;

        data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());

        data.writeInt32(piid);

        data.writeInt32(event);

        return remote()->transact(PLAYER_EVENT, data, &reply, IBinder::FLAG_ONEWAY);

    }



    virtual status_t releasePlayer(int piid) {

        Parcel data, reply;

        data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());

        data.writeInt32(piid);

        return remote()->transact(RELEASE_PLAYER, data, &reply, IBinder::FLAG_ONEWAY);

    }

};



IMPLEMENT_META_INTERFACE(AudioManager, "android.media.IAudioService");



// ----------------------------------------------------------------------------



}; // namespace android