| /* |
| * Copyright (C) 2019 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 com.android.settings.development.bluetooth; |
| |
| import android.bluetooth.BluetoothA2dp; |
| import android.bluetooth.BluetoothCodecConfig; |
| import android.bluetooth.BluetoothDevice; |
| import android.content.Context; |
| import android.util.Log; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.settings.development.BluetoothA2dpConfigStore; |
| import com.android.settingslib.core.lifecycle.Lifecycle; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Dialog preference controller to set the Bluetooth A2DP config of codec |
| */ |
| public class BluetoothCodecDialogPreferenceController extends |
| AbstractBluetoothDialogPreferenceController { |
| |
| private static final String KEY = "bluetooth_audio_codec_settings"; |
| private static final String TAG = "BtCodecCtr"; |
| |
| private final Callback mCallback; |
| |
| public BluetoothCodecDialogPreferenceController(Context context, Lifecycle lifecycle, |
| BluetoothA2dpConfigStore store, |
| Callback callback) { |
| super(context, lifecycle, store); |
| mCallback = callback; |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return KEY; |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| ((BaseBluetoothDialogPreference) mPreference).setCallback(this); |
| } |
| |
| @Override |
| public void onHDAudioEnabled(boolean enabled) { |
| if (!enabled) { |
| // If option codec is disabled, SBC is the only only one available codec. |
| onIndexUpdated(convertCfgToBtnIndex(BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC)); |
| } |
| } |
| |
| @Override |
| public List<Integer> getSelectableIndex() { |
| List<Integer> index = new ArrayList<>(); |
| final BluetoothA2dp bluetoothA2dp = mBluetoothA2dp; |
| |
| index.add(getDefaultIndex()); |
| if (bluetoothA2dp == null) { |
| return index; |
| } |
| final BluetoothDevice activeDevice = bluetoothA2dp.getActiveDevice(); |
| if (activeDevice == null) { |
| Log.d(TAG, "Unable to get selectable index. No Active Bluetooth device"); |
| return index; |
| } |
| // Check HD audio is enabled, display the available list. |
| if (bluetoothA2dp.isOptionalCodecsEnabled(activeDevice) |
| == BluetoothA2dp.OPTIONAL_CODECS_PREF_ENABLED) { |
| BluetoothCodecConfig[] configs = getSelectableConfigs(activeDevice); |
| if (configs != null) { |
| return getIndexFromConfig(configs); |
| } |
| } |
| // If HD audio is disabled, SBC is the only one available codec. |
| index.add(convertCfgToBtnIndex(BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC)); |
| return index; |
| } |
| |
| @Override |
| protected void writeConfigurationValues(final int index) { |
| int codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC; // default |
| int codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_DEFAULT; |
| switch (index) { |
| case 0: |
| codecTypeValue = getHighestCodec(getSelectableConfigs( |
| mBluetoothA2dp.getActiveDevice())); |
| codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST; |
| break; |
| case 1: |
| codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC; |
| codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST; |
| break; |
| case 2: |
| codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_AAC; |
| codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST; |
| break; |
| case 3: |
| codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX; |
| codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST; |
| break; |
| case 4: |
| codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX_HD; |
| codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST; |
| break; |
| case 5: |
| codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC; |
| codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST; |
| break; |
| default: |
| break; |
| } |
| mBluetoothA2dpConfigStore.setCodecType(codecTypeValue); |
| mBluetoothA2dpConfigStore.setCodecPriority(codecPriorityValue); |
| |
| // Once user changes codec, to reset configs with highest quality. |
| final BluetoothCodecConfig config = getSelectableByCodecType(codecTypeValue); |
| if (config == null) { |
| Log.d(TAG, "Selectable config is null. Unable to reset"); |
| } |
| mBluetoothA2dpConfigStore.setSampleRate(getHighestSampleRate(config)); |
| mBluetoothA2dpConfigStore.setBitsPerSample(getHighestBitsPerSample(config)); |
| mBluetoothA2dpConfigStore.setChannelMode(getHighestChannelMode(config)); |
| } |
| |
| @Override |
| protected int getCurrentIndexByConfig(BluetoothCodecConfig config) { |
| if (config == null) { |
| Log.e(TAG, "Unable to get current config index. Config is null."); |
| } |
| return convertCfgToBtnIndex(config.getCodecType()); |
| } |
| |
| @Override |
| public void onIndexUpdated(int index) { |
| super.onIndexUpdated(index); |
| mCallback.onBluetoothCodecChanged(); |
| } |
| |
| private List<Integer> getIndexFromConfig(BluetoothCodecConfig[] configs) { |
| List<Integer> indexArray = new ArrayList<>(); |
| for (int i = 0; i < configs.length; i++) { |
| indexArray.add(convertCfgToBtnIndex(configs[i].getCodecType())); |
| } |
| return indexArray; |
| } |
| |
| @VisibleForTesting |
| int convertCfgToBtnIndex(int config) { |
| int index = getDefaultIndex(); |
| switch (config) { |
| case BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC: |
| index = 1; |
| break; |
| case BluetoothCodecConfig.SOURCE_CODEC_TYPE_AAC: |
| index = 2; |
| break; |
| case BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX: |
| index = 3; |
| break; |
| case BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX_HD: |
| index = 4; |
| break; |
| case BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC: |
| index = 5; |
| break; |
| default: |
| Log.e(TAG, "Unsupported config:" + config); |
| break; |
| } |
| return index; |
| } |
| } |