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Commit 36e20b28 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
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Merge "New APIs for immersive audio" into sc-v2-dev am: 2590c69b 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15686904

Change-Id: I9028a6506d6531357955bdcc951d597574459d3a
parents a12c07eb 2590c69b

core/api/current.txt

+20 −0
Original line number Diff line number Diff line
@@ -20184,8 +20184,10 @@ package android.media { 
    method public int getAllowedCapturePolicy();

    method public int getContentType();

    method public int getFlags();

    method public int getSpatializationBehavior();

    method public int getUsage();

    method public int getVolumeControlStream();

    method public boolean isContentSpatialized();

    method public void writeToParcel(android.os.Parcel, int);

    field public static final int ALLOW_CAPTURE_BY_ALL = 1; // 0x1

    field public static final int ALLOW_CAPTURE_BY_NONE = 3; // 0x3
@@ -20199,6 +20201,8 @@ package android.media { 
    field public static final int FLAG_AUDIBILITY_ENFORCED = 1; // 0x1

    field public static final int FLAG_HW_AV_SYNC = 16; // 0x10

    field @Deprecated public static final int FLAG_LOW_LATENCY = 256; // 0x100

    field public static final int SPATIALIZATION_BEHAVIOR_AUTO = 0; // 0x0

    field public static final int SPATIALIZATION_BEHAVIOR_NEVER = 1; // 0x1

    field public static final int USAGE_ALARM = 4; // 0x4

    field public static final int USAGE_ASSISTANCE_ACCESSIBILITY = 11; // 0xb

    field public static final int USAGE_ASSISTANCE_NAVIGATION_GUIDANCE = 12; // 0xc
@@ -20225,7 +20229,9 @@ package android.media { 
    method public android.media.AudioAttributes.Builder setContentType(int);

    method public android.media.AudioAttributes.Builder setFlags(int);

    method @NonNull public android.media.AudioAttributes.Builder setHapticChannelsMuted(boolean);

    method @NonNull public android.media.AudioAttributes.Builder setIsContentSpatialized(boolean);

    method public android.media.AudioAttributes.Builder setLegacyStreamType(int);

    method @NonNull public android.media.AudioAttributes.Builder setSpatializationBehavior(int);

    method public android.media.AudioAttributes.Builder setUsage(int);

  }










@@ -20450,6 +20456,7 @@ package android.media {













    method public String getProperty(String);















    method public int getRingerMode();















    method @Deprecated public int getRouting(int);













    method @Nullable public android.media.Spatializer getSpatializer();















    method public int getStreamMaxVolume(int);















    method public int getStreamMinVolume(int);















    method public int getStreamVolume(int);










@@ -23846,6 +23853,19 @@ package android.media {













    method public void onLoadComplete(android.media.SoundPool, int, int);















  }



























  public class Spatializer {













    method public void addOnSpatializerStateChangedListener(@NonNull java.util.concurrent.Executor, @NonNull android.media.Spatializer.OnSpatializerStateChangedListener);













    method public boolean canBeSpatialized(@NonNull android.media.AudioAttributes, @NonNull android.media.AudioFormat);













    method public boolean isAvailable();













    method public boolean isEnabled();













    method public void removeOnSpatializerStateChangedListener(@NonNull android.media.Spatializer.OnSpatializerStateChangedListener);













  }

























  public static interface Spatializer.OnSpatializerStateChangedListener {













    method public void onSpatializerAvailableChanged(@NonNull android.media.Spatializer, boolean);













    method public void onSpatializerEnabledChanged(@NonNull android.media.Spatializer, boolean);













  }



























  public final class SubtitleData {















    ctor public SubtitleData(int, long, long, @NonNull byte[]);















    method @NonNull public byte[] getData();

























core/api/system-current.txt



+7
−0




























Original line number
Diff line number
Diff line








@@ -5386,6 +5386,13 @@ package android.media {













    field public static final android.media.RouteDiscoveryPreference EMPTY;















  }



























  public class Spatializer {













    method @RequiresPermission("android.permission.MODIFY_DEFAULT_AUDIO_EFFECTS") public void addCompatibleAudioDevice(@NonNull android.media.AudioDeviceAttributes);













    method @NonNull @RequiresPermission("android.permission.MODIFY_DEFAULT_AUDIO_EFFECTS") public java.util.List<android.media.AudioDeviceAttributes> getCompatibleAudioDevices();













    method @RequiresPermission("android.permission.MODIFY_DEFAULT_AUDIO_EFFECTS") public void removeCompatibleAudioDevice(@NonNull android.media.AudioDeviceAttributes);













    method @RequiresPermission("android.permission.MODIFY_DEFAULT_AUDIO_EFFECTS") public void setEnabled(boolean);













  }



























}





























package android.media.audiofx {

























media/java/android/media/AudioAttributes.java



+98
−1




























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Diff line number
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@@ -451,13 +451,26 @@ public final class AudioAttributes implements Parcelable {













     */















    public static final int FLAG_CAPTURE_PRIVATE = 0x1 << 13;





























    /**













     * @hide













     * Flag indicating the audio content has been processed to provide a virtual multichannel













     * audio experience













     */













    public static final int FLAG_CONTENT_SPATIALIZED = 0x1 << 14;



























    /**













     * @hide













     * Flag indicating the audio content is to never be spatialized













     */













    public static final int FLAG_NEVER_SPATIALIZE = 0x1 << 15;































    // Note that even though FLAG_MUTE_HAPTIC is stored as a flag bit, it is not here since















    // it is known as a boolean value outside of AudioAttributes.















    private static final int FLAG_ALL = FLAG_AUDIBILITY_ENFORCED | FLAG_SECURE | FLAG_SCO















            | FLAG_BEACON | FLAG_HW_AV_SYNC | FLAG_HW_HOTWORD | FLAG_BYPASS_INTERRUPTION_POLICY















            | FLAG_BYPASS_MUTE | FLAG_LOW_LATENCY | FLAG_DEEP_BUFFER | FLAG_NO_MEDIA_PROJECTION













            | FLAG_NO_SYSTEM_CAPTURE | FLAG_CAPTURE_PRIVATE;













            | FLAG_NO_SYSTEM_CAPTURE | FLAG_CAPTURE_PRIVATE | FLAG_CONTENT_SPATIALIZED













            | FLAG_NEVER_SPATIALIZE;















    private final static int FLAG_ALL_PUBLIC = FLAG_AUDIBILITY_ENFORCED |















            FLAG_HW_AV_SYNC | FLAG_LOW_LATENCY;















    /* mask of flags that can be set by SDK and System APIs through the Builder */










@@ -618,6 +631,49 @@ public final class AudioAttributes implements Parcelable {













        return (mFlags & FLAG_MUTE_HAPTIC) != 0;















    }





























    /**













     * Return true if the audio content associated with these attributes has already been













     * spatialized, that is it has already been processed to offer a binaural or transaural













     * immersive audio experience.













     * @return {@code true} if the content has been processed













     */













    public boolean isContentSpatialized() {













        return (mFlags & FLAG_CONTENT_SPATIALIZED) != 0;













    }



























    /** @hide */













    @IntDef(flag = false, value = {













            SPATIALIZATION_BEHAVIOR_AUTO,













            SPATIALIZATION_BEHAVIOR_NEVER,













    })













    @Retention(RetentionPolicy.SOURCE)













    public @interface SpatializationBehavior {};



























    /**













     * Constant indicating the audio content associated with these attributes will follow the













     * default platform behavior with regards to which content will be spatialized or not.













     * @see #getSpatializationBehavior()













     * @see Spatializer













     */













    public static final int SPATIALIZATION_BEHAVIOR_AUTO = 0;



























    /**













     * Constant indicating the audio content associated with these attributes should never













     * be virtualized.













     * @see #getSpatializationBehavior()













     * @see Spatializer













     */













    public static final int SPATIALIZATION_BEHAVIOR_NEVER = 1;



























    /**













     * Return the behavior affecting whether spatialization will be used.













     * @return the spatialization behavior













     */













    public @SpatializationBehavior int getSpatializationBehavior() {













        return ((mFlags & FLAG_NEVER_SPATIALIZE) != 0)













                ? SPATIALIZATION_BEHAVIOR_NEVER : SPATIALIZATION_BEHAVIOR_AUTO;













    }





























    /**















     * Return the capture policy.















     * @return the capture policy set by {@link Builder#setAllowedCapturePolicy(int)} or










@@ -661,6 +717,8 @@ public final class AudioAttributes implements Parcelable {













        private int mSource = MediaRecorder.AudioSource.AUDIO_SOURCE_INVALID;















        private int mFlags = 0x0;















        private boolean mMuteHapticChannels = true;













        private boolean mIsContentSpatialized = false;













        private int mSpatializationBehavior = SPATIALIZATION_BEHAVIOR_AUTO;















        private HashSet<String> mTags = new HashSet<String>();















        private Bundle mBundle;















        private int mPrivacySensitive = PRIVACY_SENSITIVE_DEFAULT;










@@ -691,6 +749,8 @@ public final class AudioAttributes implements Parcelable {













            mFlags = aa.getAllFlags();















            mTags = (HashSet<String>) aa.mTags.clone();















            mMuteHapticChannels = aa.areHapticChannelsMuted();













            mIsContentSpatialized = aa.isContentSpatialized();













            mSpatializationBehavior = aa.getSpatializationBehavior();















        }































        /**










@@ -723,6 +783,12 @@ public final class AudioAttributes implements Parcelable {













            if (mMuteHapticChannels) {















                aa.mFlags |= FLAG_MUTE_HAPTIC;















            }













            if (mIsContentSpatialized) {













                aa.mFlags |= FLAG_CONTENT_SPATIALIZED;













            }













            if (mSpatializationBehavior == SPATIALIZATION_BEHAVIOR_NEVER) {













                aa.mFlags |= FLAG_NEVER_SPATIALIZE;













            }































            if (mPrivacySensitive == PRIVACY_SENSITIVE_DEFAULT) {















                // capturing for camcorder or communication is private by default to










@@ -909,6 +975,35 @@ public final class AudioAttributes implements Parcelable {













            return this;















        }





























        /**













         * Specifies whether the content has already been processed for spatialization.













         * If it has, setting this to true will prevent issues such as double-processing.













         * @param isSpatialized













         * @return the same Builder instance













         */













        public @NonNull Builder setIsContentSpatialized(boolean isSpatialized) {













            mIsContentSpatialized = isSpatialized;













            return this;













        }



























        /**













         * Sets the behavior affecting whether spatialization will be used.













         * @param sb the spatialization behavior













         * @return the same Builder instance













         *













         */













        public @NonNull Builder setSpatializationBehavior(@SpatializationBehavior int sb) {













            switch (sb) {













                case SPATIALIZATION_BEHAVIOR_NEVER:













                case SPATIALIZATION_BEHAVIOR_AUTO:













                    break;













                default:













                    throw new IllegalArgumentException("Invalid spatialization behavior " + sb);













            }













            mSpatializationBehavior = sb;













            return this;













        }





























        /**















         * @hide















         * Replaces flags.










@@ -994,6 +1089,8 @@ public final class AudioAttributes implements Parcelable {













                    mContentType = attributes.mContentType;















                    mFlags = attributes.getAllFlags();















                    mMuteHapticChannels = attributes.areHapticChannelsMuted();













                    mIsContentSpatialized = attributes.isContentSpatialized();













                    mSpatializationBehavior = attributes.getSpatializationBehavior();















                    mTags = attributes.mTags;















                    mBundle = attributes.mBundle;















                    mSource = attributes.mSource;

































media/java/android/media/AudioManager.java



+20
−1




























Original line number
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@@ -805,7 +805,7 @@ public class AudioManager {













    }































    @UnsupportedAppUsage













    private static IAudioService getService()













    static IAudioService getService()















    {















        if (sService != null) {















            return sService;










@@ -2438,6 +2438,25 @@ public class AudioManager {













        return AudioSystem.getOffloadSupport(format, attributes);















    }





























    //====================================================================













    // Immersive audio



























    /**













     * Return a handle to the optional platform's {@link Spatializer}













     * @return {@code null} if spatialization is not supported, the {@code Spatializer} instance













     *         otherwise.













     */













    public @Nullable Spatializer getSpatializer() {













        int level = Spatializer.SPATIALIZER_IMMERSIVE_LEVEL_NONE;













        try {













            level = getService().getSpatializerImmersiveAudioLevel();













        } catch (Exception e) { /* using NONE */ }













        if (level == Spatializer.SPATIALIZER_IMMERSIVE_LEVEL_NONE) {













            return null;













        }













        return new Spatializer(this);













    }





























    //====================================================================















    // Bluetooth SCO control















    /**

































media/java/android/media/IAudioService.aidl



+22
−0




























Original line number
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Diff line








@@ -20,6 +20,7 @@ import android.bluetooth.BluetoothDevice;













import android.content.ComponentName;















import android.media.AudioAttributes;















import android.media.AudioDeviceAttributes;













import android.media.AudioFormat;















import android.media.AudioFocusInfo;















import android.media.AudioPlaybackConfiguration;















import android.media.AudioRecordingConfiguration;









@@ -34,6 +35,7 @@ import android.media.IPlaybackConfigDispatcher;













import android.media.IRecordingConfigDispatcher;















import android.media.IRingtonePlayer;















import android.media.IStrategyPreferredDevicesDispatcher;













import android.media.ISpatializerCallback;















import android.media.IVolumeController;















import android.media.IVolumeController;















import android.media.PlayerBase;










@@ -392,4 +394,24 @@ interface IAudioService {













    void registerModeDispatcher(IAudioModeDispatcher dispatcher);































    oneway void unregisterModeDispatcher(IAudioModeDispatcher dispatcher);



























    int getSpatializerImmersiveAudioLevel();



























    boolean isSpatializerEnabled();



























    boolean isSpatializerAvailable();



























    void setSpatializerEnabled(boolean enabled);



























    boolean canBeSpatialized(in AudioAttributes aa, in AudioFormat af);



























    void registerSpatializerCallback(in ISpatializerCallback callback);



























    void unregisterSpatializerCallback(in ISpatializerCallback callback);



























    List<AudioDeviceAttributes> getSpatializerCompatibleAudioDevices();



























    void addSpatializerCompatibleAudioDevice(in AudioDeviceAttributes ada);



























    void removeSpatializerCompatibleAudioDevice(in AudioDeviceAttributes ada);















}