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Commit e3fd1c2c authored by Vlad Popa's avatar Vlad Popa
Browse files

CSD: return interface for messages to audio server 

Whenever the AudioService registers for receiving sound dose callbacks from the
native side, the native sends back the ISoundDose interface.

Test: logs, dumpsys and UT
Bug: 257238734
Change-Id: I5605196e8be91f00a7fbcf65573dfabe6e5c03d3
parent 4defd0b8

media/libaudioclient/Android.bp

+2 −0
Original line number Diff line number Diff line
@@ -452,6 +452,7 @@ aidl_interface { 
        "aidl/android/media/IAudioTrack.aidl",

        "aidl/android/media/IAudioTrackCallback.aidl",



        "aidl/android/media/ISoundDose.aidl",

        "aidl/android/media/ISoundDoseCallback.aidl",

        "aidl/android/media/SoundDoseRecord.aidl",

    ],
@@ -551,6 +552,7 @@ aidl_interface { 
    unstable: true,

    local_include_dir: "aidl",

    srcs: [

        "aidl/android/media/ISoundDose.aidl",

        "aidl/android/media/ISoundDoseCallback.aidl",

        "aidl/android/media/SoundDoseRecord.aidl",

    ],

media/libaudioclient/AudioSystem.cpp

+7 −2
Original line number Diff line number Diff line
@@ -2374,13 +2374,18 @@ status_t AudioSystem::canBeSpatialized(const audio_attributes_t *attr, 
    return OK;

}



status_t AudioSystem::registerSoundDoseCallback(const sp<media::ISoundDoseCallback>& callback) {

status_t AudioSystem::getSoundDoseInterface(const sp<media::ISoundDoseCallback>& callback,

                                            sp<media::ISoundDose>* soundDose) {

    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();

    if (af == nullptr) {

        return PERMISSION_DENIED;

    }

    if (soundDose == nullptr) {

        return BAD_VALUE;

    }



    return af->registerSoundDoseCallback(callback);

    RETURN_STATUS_IF_ERROR(af->getSoundDoseInterface(callback, soundDose));

    return OK;

}



status_t AudioSystem::getDirectPlaybackSupport(const audio_attributes_t *attr,

media/libaudioclient/IAudioFlinger.cpp

+8 −6
Original line number Diff line number Diff line
@@ -837,9 +837,10 @@ status_t AudioFlingerClientAdapter::getSupportedLatencyModes( 
    return NO_ERROR;

}



status_t AudioFlingerClientAdapter::registerSoundDoseCallback(

        const sp<media::ISoundDoseCallback> &callback) {

    return statusTFromBinderStatus(mDelegate->registerSoundDoseCallback(callback));

status_t AudioFlingerClientAdapter::getSoundDoseInterface(

        const sp<media::ISoundDoseCallback> &callback,

        sp<media::ISoundDose>* soundDose) {

    return statusTFromBinderStatus(mDelegate->getSoundDoseInterface(callback, soundDose));

}



////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -1360,10 +1361,11 @@ Status AudioFlingerServerAdapter::getSupportedLatencyModes( 
    return Status::ok();

}



Status AudioFlingerServerAdapter::registerSoundDoseCallback(

        const sp<media::ISoundDoseCallback>& callback)

Status AudioFlingerServerAdapter::getSoundDoseInterface(

        const sp<media::ISoundDoseCallback>& callback,

        sp<media::ISoundDose>* soundDose)

{

    return Status::fromStatusT(mDelegate->registerSoundDoseCallback(callback));

    return Status::fromStatusT(mDelegate->getSoundDoseInterface(callback, soundDose));

}



} // namespace android

media/libaudioclient/aidl/android/media/IAudioFlingerService.aidl

+6 −2
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ import android.media.EffectDescriptor; 
import android.media.IAudioFlingerClient;

import android.media.IAudioRecord;

import android.media.IAudioTrack;

import android.media.ISoundDose;

import android.media.ISoundDoseCallback;

import android.media.LatencyMode;

import android.media.MicrophoneInfoData;
@@ -247,8 +248,11 @@ interface IAudioFlingerService { 
     */

    LatencyMode[] getSupportedLatencyModes(int output);



    /** Registers the sound dose callback. */

    oneway void registerSoundDoseCallback(ISoundDoseCallback callback);

    /**

     * Registers the sound dose callback and returns the interface for executing

     * sound dose methods on the audio server.

     */

    ISoundDose getSoundDoseInterface(in ISoundDoseCallback callback);



    // When adding a new method, please review and update

    // IAudioFlinger.h AudioFlingerServerAdapter::Delegate::TransactionCode

media/libaudioclient/aidl/android/media/ISoundDose.aidl

0 → 100644
+37 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2022 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.

 */



package android.media;



import android.media.SoundDoseRecord;



/**

 * Interface used to push the sound dose related information from the

 * AudioService#SoundDoseHelper to the audio server

 */

oneway interface ISoundDose {

    /** Set a new RS2 value used for momentary exposure warnings. */

    void setOutputRs2(float rs2Value);



    /**

     * Resets the native CSD values. This can happen after a crash in the

     * audio server or after booting when restoring the previous state.

     * 'currentCsd' represents the restored CSD value and 'records' contains the

     * dosage values and MELs together with their timestamps that lead to this

     * CSD.

     */

    void resetCsd(float currentCsd, in SoundDoseRecord[] records);

}