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Commit 8eb1c333 authored by Jean-Michel Trivi's avatar Jean-Michel Trivi
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Define FEATURE_AUDIO_SPATIAL_HEADTRACKING_LOW_LATENCY 

Feature to express the headtracking used for spatial
audio is low-latency, i.e. below a threshold defined
in the CDD.

Bug: 324291076
Test: atest SpatializerTest#testLowLatencyHeadtrackingFeature
Change-Id: Id420320c5ddbe7c9d841c3730cd836f04b1b1319
parent dc86f285

core/api/current.txt

+1 −0
Original line number Diff line number Diff line
@@ -12996,6 +12996,7 @@ package android.content.pm { 
    field public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";

    field public static final String FEATURE_AUDIO_OUTPUT = "android.hardware.audio.output";

    field public static final String FEATURE_AUDIO_PRO = "android.hardware.audio.pro";

    field @FlaggedApi("android.media.audio.feature_spatial_audio_headtracking_low_latency") public static final String FEATURE_AUDIO_SPATIAL_HEADTRACKING_LOW_LATENCY = "android.hardware.audio.spatial.headtracking.low_latency";

    field public static final String FEATURE_AUTOFILL = "android.software.autofill";

    field public static final String FEATURE_AUTOMOTIVE = "android.hardware.type.automotive";

    field public static final String FEATURE_BACKUP = "android.software.backup";

core/java/android/content/pm/PackageManager.java

+13 −0
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ 


package android.content.pm;



import static android.media.audio.Flags.FLAG_FEATURE_SPATIAL_AUDIO_HEADTRACKING_LOW_LATENCY;



import static com.android.internal.pm.pkg.parsing.ParsingPackageUtils.PARSE_COLLECT_CERTIFICATES;



import android.Manifest;
@@ -3064,6 +3066,17 @@ public abstract class PackageManager { 
    @SdkConstant(SdkConstantType.FEATURE)

    public static final String FEATURE_AUDIO_PRO = "android.hardware.audio.pro";



    /**

     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}

     * which indicates whether head tracking for spatial audio operates with low-latency,

     * as defined by the CDD criteria for the feature.

     *

     */

    @SdkConstant(SdkConstantType.FEATURE)

    @FlaggedApi(FLAG_FEATURE_SPATIAL_AUDIO_HEADTRACKING_LOW_LATENCY)

    public static final String FEATURE_AUDIO_SPATIAL_HEADTRACKING_LOW_LATENCY =

            "android.hardware.audio.spatial.headtracking.low_latency";



    /**

     * Feature for {@link #getSystemAvailableFeatures} and

     * {@link #hasSystemFeature}: The device is capable of communicating with

services/core/java/com/android/server/audio/AudioService.java

+5 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ import static android.media.AudioManager.RINGER_MODE_VIBRATE; 
import static android.media.AudioManager.STREAM_SYSTEM;

import static android.media.audio.Flags.autoPublicVolumeApiHardening;

import static android.media.audio.Flags.automaticBtDeviceType;

import static android.media.audio.Flags.featureSpatialAudioHeadtrackingLowLatency;

import static android.media.audio.Flags.focusFreezeTestApi;

import static android.media.audiopolicy.Flags.enableFadeManagerConfiguration;

import static android.os.Process.FIRST_APPLICATION_UID;
@@ -4513,6 +4514,10 @@ public class AudioService extends IAudioService.Stub 
        pw.println("\nFun with Flags: ");

        pw.println("\tandroid.media.audio.autoPublicVolumeApiHardening:"

                + autoPublicVolumeApiHardening());

        pw.println("\tandroid.media.audio.Flags.automaticBtDeviceType:"

                + automaticBtDeviceType());

        pw.println("\tandroid.media.audio.featureSpatialAudioHeadtrackingLowLatency:"

                + featureSpatialAudioHeadtrackingLowLatency());

        pw.println("\tandroid.media.audio.focusFreezeTestApi:"

                + focusFreezeTestApi());

        pw.println("\tcom.android.media.audio.bluetoothMacAddressAnonymization:"

services/core/java/com/android/server/audio/SpatializerHelper.java

+4 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ import static com.android.media.audio.Flags.dsaOverBtLeAudio; 
import android.annotation.NonNull;

import android.annotation.Nullable;

import android.content.Context;

import android.content.pm.PackageManager;

import android.hardware.Sensor;

import android.hardware.SensorManager;

import android.media.AudioAttributes;
@@ -1611,6 +1612,9 @@ public class SpatializerHelper { 
        pw.println("\tsupports binaural:" + mBinauralSupported + " / transaural:"

                + mTransauralSupported);

        pw.println("\tmSpatOutput:" + mSpatOutput);

        pw.println("\thas FEATURE_AUDIO_SPATIAL_HEADTRACKING_LOW_LATENCY:"

                + mAudioService.mContext.getPackageManager().hasSystemFeature(

                PackageManager.FEATURE_AUDIO_SPATIAL_HEADTRACKING_LOW_LATENCY));

    }



    private static String spatStateString(int state) {