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Commit 42b7c859 authored by Ahaan Ugale's avatar Ahaan Ugale Committed by Automerger Merge Worker
Browse files

Merge "Allow HotwordDetectionService access to audioflinger." into sc-dev am: a8a6a45f 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14671365

Change-Id: I3a95a75409117ccc9c3e254a83a18a9cd392923f
parents 635104a3 a8a6a45f

core/java/android/service/voice/HotwordDetectionService.java

+6 −0
Original line number Diff line number Diff line
@@ -31,6 +31,7 @@ import android.content.Context; 
import android.content.Intent;

import android.hardware.soundtrigger.SoundTrigger;

import android.media.AudioFormat;

import android.media.AudioSystem;

import android.os.Bundle;

import android.os.IBinder;

import android.os.IRemoteCallback;
@@ -186,6 +187,11 @@ public abstract class HotwordDetectionService extends Service { 
            }

        }



        @Override

        public void updateAudioFlinger(IBinder audioFlinger) {

            AudioSystem.setAudioFlingerBinder(audioFlinger);

        }



        @Override

        public void updateContentCaptureManager(IContentCaptureManager manager,

                ContentCaptureOptions options) {

core/java/android/service/voice/IHotwordDetectionService.aidl

+3 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ package android.service.voice; 
import android.content.ContentCaptureOptions;

import android.hardware.soundtrigger.SoundTrigger;

import android.media.AudioFormat;

import android.os.IBinder;

import android.os.IRemoteCallback;

import android.os.ParcelFileDescriptor;

import android.os.PersistableBundle;
@@ -50,6 +51,8 @@ oneway interface IHotwordDetectionService { 
        in SharedMemory sharedMemory,

        in IRemoteCallback callback);



    void updateAudioFlinger(in IBinder audioFlinger);



    void updateContentCaptureManager(

        in IContentCaptureManager contentCaptureManager,

        in ContentCaptureOptions options);

core/jni/android_media_AudioSystem.cpp

+8 −0
Original line number Diff line number Diff line
@@ -42,6 +42,7 @@ 
#include "android_media_AudioFormat.h"

#include "android_media_AudioProfile.h"

#include "android_media_MicrophoneInfo.h"

#include "android_util_Binder.h"



// ----------------------------------------------------------------------------
@@ -850,6 +851,11 @@ android_media_AudioSystem_checkAudioFlinger(JNIEnv *env, jobject clazz) 
    return (jint) check_AudioSystem_Command(AudioSystem::checkAudioFlinger());

}



static void android_media_AudioSystem_setAudioFlingerBinder(JNIEnv *env, jobject clazz,

                                                            jobject audioFlinger) {

    AudioSystem::setAudioFlingerBinder(android::ibinderForJavaObject(env, audioFlinger));

}



static void convertAudioGainConfigToNative(JNIEnv *env,

                                               struct audio_gain_config *nAudioGainConfig,

                                               const jobject jAudioGainConfig,
@@ -2728,6 +2734,8 @@ static const JNINativeMethod gMethods[] = 
         {"getOutputLatency", "(I)I", (void *)android_media_AudioSystem_getOutputLatency},

         {"setLowRamDevice", "(ZJ)I", (void *)android_media_AudioSystem_setLowRamDevice},

         {"checkAudioFlinger", "()I", (void *)android_media_AudioSystem_checkAudioFlinger},

         {"setAudioFlingerBinder", "(Landroid/os/IBinder;)V",

          (void *)android_media_AudioSystem_setAudioFlingerBinder},

         {"listAudioPorts", "(Ljava/util/ArrayList;[I)I",

          (void *)android_media_AudioSystem_listAudioPorts},

         {"createAudioPatch",

media/java/android/media/AudioSystem.java

+3 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ import android.content.pm.PackageManager; 
import android.media.audiofx.AudioEffect;

import android.media.audiopolicy.AudioMix;

import android.os.Build;

import android.os.IBinder;

import android.os.Vibrator;

import android.telephony.TelephonyManager;

import android.util.Log;
@@ -1655,6 +1656,8 @@ public class AudioSystem 
    /** @hide */

    @UnsupportedAppUsage

    public static native int checkAudioFlinger();

    /** @hide */

    public static native void setAudioFlingerBinder(IBinder audioFlinger);



    /** @hide */

    public static native int listAudioPorts(ArrayList<AudioPort> ports, int[] generation);

services/voiceinteraction/java/com/android/server/voiceinteraction/HotwordDetectionConnection.java

+11 −1
Original line number Diff line number Diff line
@@ -156,8 +156,9 @@ final class HotwordDetectionConnection { 
            updateStateLocked(options, sharedMemory);

            return;

        }

        updateStateWithCallbackLocked(options, sharedMemory, callback);

        updateAudioFlinger();

        updateContentCaptureManager();

        updateStateWithCallbackLocked(options, sharedMemory, callback);

    }



    private void updateStateWithCallbackLocked(PersistableBundle options,
@@ -229,6 +230,15 @@ final class HotwordDetectionConnection { 
                });

    }



    private void updateAudioFlinger() {

        // TODO: Consider using a proxy that limits the exposed API surface.

        IBinder audioFlinger = ServiceManager.getService("media.audio_flinger");

        if (audioFlinger == null) {

            throw new IllegalStateException("Service media.audio_flinger wasn't found.");

        }

        mRemoteHotwordDetectionService.post(service -> service.updateAudioFlinger(audioFlinger));

    }



    private void updateContentCaptureManager() {

        IBinder b = ServiceManager

                .getService(Context.CONTENT_CAPTURE_MANAGER_SERVICE);