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Commit f9bd2e6b authored by Vlad Popa's avatar Vlad Popa
Browse files

Change spatializer availability based on audio category 

Introduce change of audio device category. Cached BT devices should
notify that a new audio device category was selected.

Test: manual
Bug: 297265575
Merged-In: Ia935b3644e5909c88457190f975ec1a01180a1fc
Change-Id: Ia935b3644e5909c88457190f975ec1a01180a1fc
parent 3f6b43cf

packages/SettingsLib/src/com/android/settingslib/bluetooth/CachedBluetoothDevice.java

+8 −0
Original line number Diff line number Diff line
@@ -728,6 +728,14 @@ public class CachedBluetoothDevice implements Comparable<CachedBluetoothDevice> 
    void onAudioModeChanged() {

        dispatchAttributesChanged();

    }



    /**

     * Notify that the audio category has changed.

     */

    public void onAudioDeviceCategoryChanged() {

        dispatchAttributesChanged();

    }



    /**

     * Get the device status as active or non-active per Bluetooth profile.

     *

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

+1 −0
Original line number Diff line number Diff line
@@ -10743,6 +10743,7 @@ public class AudioService extends IAudioService.Stub 
        mDeviceBroker.addOrUpdateBtAudioDeviceCategoryInInventory(deviceState);

        mDeviceBroker.persistAudioDeviceSettings();













        mSpatializerHelper.refreshDevice(deviceState.getAudioDeviceAttributes());















        mSoundDoseHelper.setAudioDeviceCategory(addr, internalType,















                btAudioDeviceCategory == AUDIO_DEVICE_CATEGORY_HEADPHONES);















    }

































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



+41
−2




























Original line number
Diff line number
Diff line








@@ -16,6 +16,8 @@





























package com.android.server.audio;





























import static android.media.AudioManager.AUDIO_DEVICE_CATEGORY_HEADPHONES;













import static android.media.AudioManager.AUDIO_DEVICE_CATEGORY_UNKNOWN;















import static android.media.AudioSystem.isBluetoothDevice;































import android.annotation.NonNull;










@@ -682,8 +684,20 @@ public class SpatializerHelper {













            Log.i(TAG, "no spatialization device state found for Spatial Audio device:" + ada);















            return new Pair<>(false, false);















        }













        boolean available = true;













        if (isBluetoothDevice(deviceType)) {













            // only checking headphones/binaural because external speakers cannot use transaural













            // since their physical characteristics are unknown













            if (deviceState.getAudioDeviceCategory() == AUDIO_DEVICE_CATEGORY_UNKNOWN













                    || deviceState.getAudioDeviceCategory() == AUDIO_DEVICE_CATEGORY_HEADPHONES) {













                available = (spatMode == SpatializationMode.SPATIALIZER_BINAURAL)













                        && mBinauralSupported;













            } else {













                available = false;













            }













        }















        // found the matching device state.













        return new Pair<>(deviceState.isSAEnabled(), true /* available */);













        return new Pair<>(deviceState.isSAEnabled(), available);















    }































    private synchronized void addWirelessDeviceIfNew(@NonNull AudioDeviceAttributes ada) {










@@ -740,11 +754,36 @@ public class SpatializerHelper {













        }















    }





























    synchronized void refreshDevice(@NonNull AudioDeviceAttributes ada) {













        final AdiDeviceState deviceState = findSACompatibleDeviceStateForAudioDeviceAttributes(ada);













        if (isAvailableForAdiDeviceState(deviceState)) {













            addCompatibleAudioDevice(ada, /*forceEnable=*/deviceState.isSAEnabled());













            setHeadTrackerEnabled(deviceState.isHeadTrackerEnabled(), ada);













        } else {













            removeCompatibleAudioDevice(ada);













        }













    }





























    synchronized boolean isAvailableForDevice(@NonNull AudioDeviceAttributes ada) {















        if (ada.getRole() != AudioDeviceAttributes.ROLE_OUTPUT) {















            return false;















        }













        return findSACompatibleDeviceStateForAudioDeviceAttributes(ada) != null;



























        return isAvailableForAdiDeviceState(













                findSACompatibleDeviceStateForAudioDeviceAttributes(ada));













    }



























    private boolean isAvailableForAdiDeviceState(AdiDeviceState deviceState) {













        if (deviceState == null) {













            return false;













        }



























        if (isBluetoothDevice(deviceState.getInternalDeviceType())













                && deviceState.getAudioDeviceCategory() != AUDIO_DEVICE_CATEGORY_UNKNOWN













                && deviceState.getAudioDeviceCategory() != AUDIO_DEVICE_CATEGORY_HEADPHONES) {













            return false;













        }













        return true;















    }































    private synchronized boolean canBeSpatializedOnDevice(@NonNull AudioAttributes attributes,