| /* |
| * Copyright (C) 2015 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.car.hal; |
| |
| import static android.hardware.automotive.vehicle.V2_0.VehicleProperty.AUDIO_EXT_ROUTING_HINT; |
| import static android.hardware.automotive.vehicle.V2_0.VehicleProperty.AUDIO_FOCUS; |
| import static android.hardware.automotive.vehicle.V2_0.VehicleProperty.AUDIO_HW_VARIANT; |
| import static android.hardware.automotive.vehicle.V2_0.VehicleProperty.AUDIO_PARAMETERS; |
| import static android.hardware.automotive.vehicle.V2_0.VehicleProperty.AUDIO_ROUTING_POLICY; |
| import static android.hardware.automotive.vehicle.V2_0.VehicleProperty.AUDIO_STREAM_STATE; |
| import static android.hardware.automotive.vehicle.V2_0.VehicleProperty.AUDIO_VOLUME; |
| import static android.hardware.automotive.vehicle.V2_0.VehicleProperty.AUDIO_VOLUME_LIMIT; |
| import static com.android.car.CarServiceUtils.toIntArray; |
| |
| import android.annotation.Nullable; |
| import android.car.VehicleZoneUtil; |
| import android.car.media.CarAudioManager; |
| import android.car.media.CarAudioManager.OnParameterChangeListener; |
| import android.hardware.automotive.vehicle.V2_0.SubscribeFlags; |
| import android.hardware.automotive.vehicle.V2_0.VehicleAudioContextFlag; |
| import android.hardware.automotive.vehicle.V2_0.VehicleAudioExtFocusFlag; |
| import android.hardware.automotive.vehicle.V2_0.VehicleAudioFocusIndex; |
| import android.hardware.automotive.vehicle.V2_0.VehicleAudioFocusRequest; |
| import android.hardware.automotive.vehicle.V2_0.VehicleAudioFocusState; |
| import android.hardware.automotive.vehicle.V2_0.VehicleAudioHwVariantConfigFlag; |
| import android.hardware.automotive.vehicle.V2_0.VehicleAudioRoutingPolicyIndex; |
| import android.hardware.automotive.vehicle.V2_0.VehicleAudioVolumeCapabilityFlag; |
| import android.hardware.automotive.vehicle.V2_0.VehicleAudioVolumeIndex; |
| import android.hardware.automotive.vehicle.V2_0.VehicleAudioVolumeLimitIndex; |
| import android.hardware.automotive.vehicle.V2_0.VehiclePropConfig; |
| import android.hardware.automotive.vehicle.V2_0.VehiclePropValue; |
| import android.hardware.automotive.vehicle.V2_0.VehicleProperty; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import com.android.car.AudioRoutingPolicy; |
| import com.android.car.CarAudioAttributesUtil; |
| import com.android.car.CarLog; |
| |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class AudioHalService extends HalServiceBase { |
| public static final int VEHICLE_AUDIO_FOCUS_REQUEST_INVALID = -1; |
| public static final int VEHICLE_AUDIO_FOCUS_REQUEST_GAIN = |
| VehicleAudioFocusRequest.REQUEST_GAIN; |
| public static final int VEHICLE_AUDIO_FOCUS_REQUEST_GAIN_TRANSIENT = |
| VehicleAudioFocusRequest.REQUEST_GAIN_TRANSIENT; |
| public static final int VEHICLE_AUDIO_FOCUS_REQUEST_GAIN_TRANSIENT_MAY_DUCK = |
| VehicleAudioFocusRequest.REQUEST_GAIN_TRANSIENT_MAY_DUCK; |
| public static final int VEHICLE_AUDIO_FOCUS_REQUEST_GAIN_TRANSIENT_NO_DUCK = |
| VehicleAudioFocusRequest.REQUEST_GAIN_TRANSIENT_NO_DUCK; |
| public static final int VEHICLE_AUDIO_FOCUS_REQUEST_RELEASE = |
| VehicleAudioFocusRequest.REQUEST_RELEASE; |
| |
| public static final int VEHICLE_AUDIO_FOCUS_STATE_INVALID = -1; |
| public static final int VEHICLE_AUDIO_FOCUS_STATE_GAIN = |
| VehicleAudioFocusState.STATE_GAIN; |
| public static final int VEHICLE_AUDIO_FOCUS_STATE_GAIN_TRANSIENT = |
| VehicleAudioFocusState.STATE_GAIN_TRANSIENT; |
| public static final int VEHICLE_AUDIO_FOCUS_STATE_LOSS_TRANSIENT_CAN_DUCK = |
| VehicleAudioFocusState.STATE_LOSS_TRANSIENT_CAN_DUCK; |
| public static final int VEHICLE_AUDIO_FOCUS_STATE_LOSS_TRANSIENT = |
| VehicleAudioFocusState.STATE_LOSS_TRANSIENT; |
| public static final int VEHICLE_AUDIO_FOCUS_STATE_LOSS = |
| VehicleAudioFocusState.STATE_LOSS; |
| public static final int VEHICLE_AUDIO_FOCUS_STATE_LOSS_TRANSIENT_EXLCUSIVE = |
| VehicleAudioFocusState.STATE_LOSS_TRANSIENT_EXLCUSIVE; |
| |
| public static final int VEHICLE_AUDIO_STREAM_STATE_STOPPED = 0; |
| public static final int VEHICLE_AUDIO_STREAM_STATE_STARTED = 1; |
| |
| public static final int VEHICLE_AUDIO_EXT_FOCUS_NONE_FLAG = |
| VehicleAudioExtFocusFlag.NONE_FLAG; |
| public static final int VEHICLE_AUDIO_EXT_FOCUS_CAR_PERMANENT_FLAG = |
| VehicleAudioExtFocusFlag.PERMANENT_FLAG; |
| public static final int VEHICLE_AUDIO_EXT_FOCUS_CAR_TRANSIENT_FLAG = |
| VehicleAudioExtFocusFlag.TRANSIENT_FLAG; |
| public static final int VEHICLE_AUDIO_EXT_FOCUS_CAR_PLAY_ONLY_FLAG = |
| VehicleAudioExtFocusFlag.PLAY_ONLY_FLAG; |
| public static final int VEHICLE_AUDIO_EXT_FOCUS_CAR_MUTE_MEDIA_FLAG = |
| VehicleAudioExtFocusFlag.MUTE_MEDIA_FLAG; |
| |
| public static final int STREAM_NUM_DEFAULT = 0; |
| |
| public static final int FOCUS_STATE_ARRAY_INDEX_STATE = 0; |
| public static final int FOCUS_STATE_ARRAY_INDEX_STREAMS = 1; |
| public static final int FOCUS_STATE_ARRAY_INDEX_EXTERNAL_FOCUS = 2; |
| |
| public static final int AUDIO_CONTEXT_MUSIC_FLAG = |
| VehicleAudioContextFlag.MUSIC_FLAG; |
| public static final int AUDIO_CONTEXT_NAVIGATION_FLAG = |
| VehicleAudioContextFlag.NAVIGATION_FLAG; |
| public static final int AUDIO_CONTEXT_VOICE_COMMAND_FLAG = |
| VehicleAudioContextFlag.VOICE_COMMAND_FLAG; |
| public static final int AUDIO_CONTEXT_CALL_FLAG = |
| VehicleAudioContextFlag.CALL_FLAG; |
| public static final int AUDIO_CONTEXT_ALARM_FLAG = |
| VehicleAudioContextFlag.ALARM_FLAG; |
| public static final int AUDIO_CONTEXT_NOTIFICATION_FLAG = |
| VehicleAudioContextFlag.NOTIFICATION_FLAG; |
| public static final int AUDIO_CONTEXT_UNKNOWN_FLAG = |
| VehicleAudioContextFlag.UNKNOWN_FLAG; |
| public static final int AUDIO_CONTEXT_SAFETY_ALERT_FLAG = |
| VehicleAudioContextFlag.SAFETY_ALERT_FLAG; |
| public static final int AUDIO_CONTEXT_RADIO_FLAG = |
| VehicleAudioContextFlag.RADIO_FLAG; |
| public static final int AUDIO_CONTEXT_CD_ROM_FLAG = |
| VehicleAudioContextFlag.CD_ROM_FLAG; |
| public static final int AUDIO_CONTEXT_AUX_AUDIO_FLAG = |
| VehicleAudioContextFlag.AUX_AUDIO_FLAG; |
| public static final int AUDIO_CONTEXT_SYSTEM_SOUND_FLAG = |
| VehicleAudioContextFlag.SYSTEM_SOUND_FLAG; |
| public static final int AUDIO_CONTEXT_EXT_SOURCE_FLAG = |
| VehicleAudioContextFlag.EXT_SOURCE_FLAG; |
| |
| public interface AudioHalFocusListener { |
| /** |
| * Audio focus change from car. |
| * @param focusState |
| * @param streams |
| * @param externalFocus Flags of active external audio focus. |
| * 0 means no external audio focus. |
| */ |
| void onFocusChange(int focusState, int streams, int externalFocus); |
| /** |
| * Stream state change (start / stop) from android |
| * @param streamNumber stream number like 0, 1, ... |
| * @param streamActive Whether the stream is active or not. |
| */ |
| void onStreamStatusChange(int streamNumber, boolean streamActive); |
| } |
| |
| public interface AudioHalVolumeListener { |
| /** |
| * Audio volume change from car. |
| * @param streamNumber |
| * @param volume |
| * @param volumeState |
| */ |
| void onVolumeChange(int streamNumber, int volume, int volumeState); |
| /** |
| * Volume limit change from car. |
| * @param streamNumber |
| * @param volume |
| */ |
| void onVolumeLimitChange(int streamNumber, int volume); |
| } |
| |
| private static final boolean DBG = false; |
| |
| private final VehicleHal mVehicleHal; |
| private AudioHalFocusListener mFocusListener; |
| private AudioHalVolumeListener mVolumeListener; |
| private int mVariant; |
| |
| private final HashMap<Integer, VehiclePropConfig> mProperties = new HashMap<>(); |
| |
| private OnParameterChangeListener mOnParameterChangeListener; |
| |
| public AudioHalService(VehicleHal vehicleHal) { |
| mVehicleHal = vehicleHal; |
| } |
| |
| public synchronized void setFocusListener(AudioHalFocusListener focusListener) { |
| mFocusListener = focusListener; |
| } |
| |
| public synchronized void setVolumeListener(AudioHalVolumeListener volumeListener) { |
| mVolumeListener = volumeListener; |
| } |
| |
| public void setAudioRoutingPolicy(AudioRoutingPolicy policy) { |
| if (!mVehicleHal.isPropertySupported(VehicleProperty.AUDIO_ROUTING_POLICY)) { |
| Log.w(CarLog.TAG_AUDIO, |
| "Vehicle HAL did not implement VehicleProperty.AUDIO_ROUTING_POLICY"); |
| return; |
| } |
| int[] policyToSet = new int[2]; |
| for (int i = 0; i < policy.getPhysicalStreamsCount(); i++) { |
| policyToSet[VehicleAudioRoutingPolicyIndex.STREAM] = i; |
| int contexts = 0; |
| for (int logicalStream : policy.getLogicalStreamsForPhysicalStream(i)) { |
| contexts |= logicalStreamToHalContextType(logicalStream); |
| } |
| policyToSet[VehicleAudioRoutingPolicyIndex.CONTEXTS] = contexts; |
| try { |
| mVehicleHal.set(AUDIO_ROUTING_POLICY).to(policyToSet); |
| } catch (PropertyTimeoutException e) { |
| Log.e(CarLog.TAG_AUDIO, "Cannot write to VehicleProperty.AUDIO_ROUTING_POLICY", e); |
| } |
| } |
| } |
| |
| /** |
| * Returns the volume limits of a stream. Returns null if max value wasn't defined for |
| * AUDIO_VOLUME property. |
| */ |
| @Nullable |
| public synchronized Integer getStreamMaxVolume(int stream) { |
| VehiclePropConfig config = mProperties.get(VehicleProperty.AUDIO_VOLUME); |
| if (config == null) { |
| throw new IllegalStateException("VehicleProperty.AUDIO_VOLUME not supported"); |
| } |
| int supportedContext = getSupportedAudioVolumeContexts(); |
| |
| int MAX_VALUES_FIRST_ELEMENT_INDEX = 4; |
| ArrayList<Integer> maxValues = new ArrayList<>(); |
| for (int i = MAX_VALUES_FIRST_ELEMENT_INDEX; i < config.configArray.size(); i++) { |
| maxValues.add(config.configArray.get(i)); |
| } |
| |
| Integer result = null; |
| if (supportedContext != 0) { |
| int index = VehicleZoneUtil.zoneToIndex(supportedContext, stream); |
| if (index < maxValues.size()) { |
| result = maxValues.get(index); |
| } |
| } else { |
| if (stream < maxValues.size()) { |
| result = maxValues.get(stream); |
| } |
| } |
| |
| if (result == null) { |
| Log.e(CarLog.TAG_AUDIO, "No min/max volume found in vehicle" + |
| " prop config for stream: " + stream); |
| } |
| |
| return result; |
| } |
| |
| /** |
| * Convert car audio manager stream type (usage) into audio context type. |
| */ |
| public static int logicalStreamToHalContextType(int logicalStream) { |
| return logicalStreamWithExtTypeToHalContextType(logicalStream, null); |
| } |
| |
| public static int logicalStreamWithExtTypeToHalContextType(int logicalStream, String extType) { |
| switch (logicalStream) { |
| case CarAudioManager.CAR_AUDIO_USAGE_RADIO: |
| return VehicleAudioContextFlag.RADIO_FLAG; |
| case CarAudioManager.CAR_AUDIO_USAGE_VOICE_CALL: |
| return VehicleAudioContextFlag.CALL_FLAG; |
| case CarAudioManager.CAR_AUDIO_USAGE_MUSIC: |
| return VehicleAudioContextFlag.MUSIC_FLAG; |
| case CarAudioManager.CAR_AUDIO_USAGE_NAVIGATION_GUIDANCE: |
| return VehicleAudioContextFlag.NAVIGATION_FLAG; |
| case CarAudioManager.CAR_AUDIO_USAGE_VOICE_COMMAND: |
| return VehicleAudioContextFlag.VOICE_COMMAND_FLAG; |
| case CarAudioManager.CAR_AUDIO_USAGE_ALARM: |
| return VehicleAudioContextFlag.ALARM_FLAG; |
| case CarAudioManager.CAR_AUDIO_USAGE_NOTIFICATION: |
| return VehicleAudioContextFlag.NOTIFICATION_FLAG; |
| case CarAudioManager.CAR_AUDIO_USAGE_SYSTEM_SAFETY_ALERT: |
| return VehicleAudioContextFlag.SAFETY_ALERT_FLAG; |
| case CarAudioManager.CAR_AUDIO_USAGE_SYSTEM_SOUND: |
| return VehicleAudioContextFlag.SYSTEM_SOUND_FLAG; |
| case CarAudioManager.CAR_AUDIO_USAGE_DEFAULT: |
| return VehicleAudioContextFlag.UNKNOWN_FLAG; |
| case CarAudioManager.CAR_AUDIO_USAGE_EXTERNAL_AUDIO_SOURCE: |
| if (extType != null) { |
| switch (extType) { |
| case CarAudioManager.CAR_EXTERNAL_SOURCE_TYPE_CD_DVD: |
| return AudioHalService.AUDIO_CONTEXT_CD_ROM_FLAG; |
| case CarAudioManager.CAR_EXTERNAL_SOURCE_TYPE_AUX_IN0: |
| case CarAudioManager.CAR_EXTERNAL_SOURCE_TYPE_AUX_IN1: |
| return AudioHalService.AUDIO_CONTEXT_AUX_AUDIO_FLAG; |
| default: |
| if (extType.startsWith("RADIO_")) { |
| return VehicleAudioContextFlag.RADIO_FLAG; |
| } else { |
| return AudioHalService.AUDIO_CONTEXT_EXT_SOURCE_FLAG; |
| } |
| } |
| } else { // no external source specified. fall back to radio |
| return VehicleAudioContextFlag.RADIO_FLAG; |
| } |
| case CarAudioAttributesUtil.CAR_AUDIO_USAGE_CARSERVICE_BOTTOM: |
| case CarAudioAttributesUtil.CAR_AUDIO_USAGE_CARSERVICE_CAR_PROXY: |
| case CarAudioAttributesUtil.CAR_AUDIO_USAGE_CARSERVICE_MEDIA_MUTE: |
| // internal tag not associated with any stream |
| return 0; |
| default: |
| Log.w(CarLog.TAG_AUDIO, "Unknown logical stream:" + logicalStream); |
| return 0; |
| } |
| } |
| |
| /** |
| * Converts car audio context type to car stream usage. |
| */ |
| public static int carContextToCarUsage(int carContext) { |
| switch (carContext) { |
| case VehicleAudioContextFlag.MUSIC_FLAG: |
| return CarAudioManager.CAR_AUDIO_USAGE_MUSIC; |
| case VehicleAudioContextFlag.NAVIGATION_FLAG: |
| return CarAudioManager.CAR_AUDIO_USAGE_NAVIGATION_GUIDANCE; |
| case VehicleAudioContextFlag.ALARM_FLAG: |
| return CarAudioManager.CAR_AUDIO_USAGE_ALARM; |
| case VehicleAudioContextFlag.VOICE_COMMAND_FLAG: |
| return CarAudioManager.CAR_AUDIO_USAGE_VOICE_COMMAND; |
| case VehicleAudioContextFlag.AUX_AUDIO_FLAG: |
| return CarAudioManager.CAR_AUDIO_USAGE_EXTERNAL_AUDIO_SOURCE; |
| case VehicleAudioContextFlag.CALL_FLAG: |
| return CarAudioManager.CAR_AUDIO_USAGE_VOICE_CALL; |
| case VehicleAudioContextFlag.CD_ROM_FLAG: |
| return CarAudioManager.CAR_AUDIO_USAGE_EXTERNAL_AUDIO_SOURCE; |
| case VehicleAudioContextFlag.NOTIFICATION_FLAG: |
| return CarAudioManager.CAR_AUDIO_USAGE_NOTIFICATION; |
| case VehicleAudioContextFlag.RADIO_FLAG: |
| return CarAudioManager.CAR_AUDIO_USAGE_RADIO; |
| case VehicleAudioContextFlag.SAFETY_ALERT_FLAG: |
| return CarAudioManager.CAR_AUDIO_USAGE_SYSTEM_SAFETY_ALERT; |
| case VehicleAudioContextFlag.SYSTEM_SOUND_FLAG: |
| return CarAudioManager.CAR_AUDIO_USAGE_SYSTEM_SOUND; |
| case VehicleAudioContextFlag.UNKNOWN_FLAG: |
| return CarAudioManager.CAR_AUDIO_USAGE_DEFAULT; |
| case VehicleAudioContextFlag.EXT_SOURCE_FLAG: |
| return CarAudioManager.CAR_AUDIO_USAGE_EXTERNAL_AUDIO_SOURCE; |
| default: |
| Log.w(CarLog.TAG_AUDIO, "Unknown car context:" + carContext); |
| return 0; |
| } |
| } |
| |
| public void requestAudioFocusChange(int request, int streams, int audioContexts) { |
| requestAudioFocusChange(request, streams, VEHICLE_AUDIO_EXT_FOCUS_NONE_FLAG, audioContexts); |
| } |
| |
| public void requestAudioFocusChange(int request, int streams, int extFocus, int audioContexts) { |
| int[] payload = { request, streams, extFocus, audioContexts }; |
| try { |
| mVehicleHal.set(AUDIO_FOCUS).to(payload); |
| } catch (PropertyTimeoutException e) { |
| Log.e(CarLog.TAG_AUDIO, "Cannot write to VehicleProperty.AUDIO_FOCUS", e); |
| // focus timeout will reset it anyway |
| } |
| } |
| |
| public void setStreamVolume(int streamType, int index) { |
| int[] payload = {streamType, index, 0}; |
| try { |
| mVehicleHal.set(VehicleProperty.AUDIO_VOLUME).to(payload); |
| } catch (PropertyTimeoutException e) { |
| Log.e(CarLog.TAG_AUDIO, "Cannot write to VehicleProperty.AUDIO_VOLUME", e); |
| //TODO should reset volume, bug: 32096870 |
| } |
| } |
| |
| public int getStreamVolume(int stream) { |
| int[] volume = {stream, 0, 0}; |
| VehiclePropValue requestedStreamVolume = new VehiclePropValue(); |
| requestedStreamVolume.prop = VehicleProperty.AUDIO_VOLUME; |
| requestedStreamVolume.value.int32Values.addAll(Arrays.asList(stream, 0 , 0)); |
| VehiclePropValue propValue; |
| try { |
| propValue = mVehicleHal.get(requestedStreamVolume); |
| } catch (PropertyTimeoutException e) { |
| Log.e(CarLog.TAG_AUDIO, "VehicleProperty.AUDIO_VOLUME not ready", e); |
| return 0; |
| } |
| |
| if (propValue.value.int32Values.size() != 3) { |
| Log.e(CarLog.TAG_AUDIO, "returned value not valid"); |
| throw new IllegalStateException("Invalid preset returned from service: " |
| + Arrays.toString(propValue.value.int32Values.toArray())); |
| } |
| |
| int retStreamNum = propValue.value.int32Values.get(0); |
| int retVolume = propValue.value.int32Values.get(1); |
| int retVolumeState = propValue.value.int32Values.get(2); |
| |
| if (retStreamNum != stream) { |
| Log.e(CarLog.TAG_AUDIO, "Stream number is not the same: " |
| + stream + " vs " + retStreamNum); |
| throw new IllegalStateException("Stream number is not the same"); |
| } |
| return retVolume; |
| } |
| |
| public synchronized int getHwVariant() { |
| return mVariant; |
| } |
| |
| public synchronized boolean isRadioExternal() { |
| VehiclePropConfig config = mProperties.get(VehicleProperty.AUDIO_HW_VARIANT); |
| if (config == null) { |
| return true; |
| } |
| return (config.configArray.get(0) |
| & VehicleAudioHwVariantConfigFlag.INTERNAL_RADIO_FLAG) == 0; |
| } |
| |
| public synchronized boolean isFocusSupported() { |
| return isPropertySupportedLocked(AUDIO_FOCUS); |
| } |
| |
| public synchronized boolean isAudioVolumeSupported() { |
| return isPropertySupportedLocked(VehicleProperty.AUDIO_VOLUME); |
| } |
| |
| public synchronized int getSupportedAudioVolumeContexts() { |
| if (!isPropertySupportedLocked(VehicleProperty.AUDIO_VOLUME)) { |
| throw new IllegalStateException("VehicleProperty.AUDIO_VOLUME not supported"); |
| } |
| VehiclePropConfig config = mProperties.get(VehicleProperty.AUDIO_VOLUME); |
| return config.configArray.get(0); |
| } |
| |
| /** |
| * Whether external audio module can memorize logical audio volumes or not. |
| * @return |
| */ |
| public synchronized boolean isExternalAudioVolumePersistent() { |
| if (!isPropertySupportedLocked(VehicleProperty.AUDIO_VOLUME)) { |
| throw new IllegalStateException("VehicleProperty.AUDIO_VOLUME not supported"); |
| } |
| VehiclePropConfig config = mProperties.get(VehicleProperty.AUDIO_VOLUME); |
| if (config.configArray.get(0) == 0) { // physical streams only |
| return false; |
| } |
| if ((config.configArray.get(1) |
| & VehicleAudioVolumeCapabilityFlag.PERSISTENT_STORAGE) != 0) { |
| return true; |
| } |
| return false; |
| } |
| |
| public synchronized boolean isAudioVolumeLimitSupported() { |
| return isPropertySupportedLocked(AUDIO_VOLUME_LIMIT); |
| } |
| |
| public synchronized boolean isAudioVolumeMasterOnly() { |
| if (!isPropertySupportedLocked(VehicleProperty.AUDIO_VOLUME)) { |
| throw new IllegalStateException("VehicleProperty.AUDIO_VOLUME not supported"); |
| } |
| VehiclePropConfig config = mProperties.get( |
| AUDIO_VOLUME); |
| if ((config.configArray.get(1) & |
| VehicleAudioVolumeCapabilityFlag.MASTER_VOLUME_ONLY) |
| != 0) { |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Get the current audio focus state. |
| * @return 0: focusState, 1: streams, 2: externalFocus |
| */ |
| public int[] getCurrentFocusState() { |
| if (!isFocusSupported()) { |
| return new int[] { VEHICLE_AUDIO_FOCUS_STATE_GAIN, 0xffffffff, 0}; |
| } |
| try { |
| VehiclePropValue propValue = mVehicleHal.get(VehicleProperty.AUDIO_FOCUS); |
| return toIntArray(propValue.value.int32Values); |
| } catch (PropertyTimeoutException e) { |
| Log.e(CarLog.TAG_AUDIO, "VehicleProperty.AUDIO_HW_VARIANT not ready", e); |
| return new int[] { VEHICLE_AUDIO_FOCUS_STATE_LOSS, 0x0, 0}; |
| } |
| } |
| |
| public static class ExtRoutingSourceInfo { |
| /** Represents an external route which will not disable any physical stream in android side. |
| */ |
| public static final int NO_DISABLED_PHYSICAL_STREAM = -1; |
| |
| /** Bit position of this source in vhal */ |
| public final int bitPosition; |
| /** |
| * Physical stream replaced by this routing. will be {@link #NO_DISABLED_PHYSICAL_STREAM} |
| * if no physical stream for android is replaced by this routing. |
| */ |
| public final int physicalStreamNumber; |
| |
| public ExtRoutingSourceInfo(int bitPosition, int physycalStreamNumber) { |
| this.bitPosition = bitPosition; |
| this.physicalStreamNumber = physycalStreamNumber; |
| } |
| |
| @Override |
| public String toString() { |
| return "[bitPosition=" + bitPosition + ", physicalStreamNumber=" |
| + physicalStreamNumber + "]"; |
| } |
| } |
| |
| /** |
| * Get external audio routing types from AUDIO_EXT_ROUTING_HINT property. |
| * |
| * @return null if AUDIO_EXT_ROUTING_HINT is not supported. |
| */ |
| public Map<String, ExtRoutingSourceInfo> getExternalAudioRoutingTypes() { |
| VehiclePropConfig config; |
| synchronized (this) { |
| if (!isPropertySupportedLocked(AUDIO_EXT_ROUTING_HINT)) { |
| if (DBG) { |
| Log.i(CarLog.TAG_AUDIO, "AUDIO_EXT_ROUTING_HINT is not supported"); |
| } |
| return null; |
| } |
| config = mProperties.get(AUDIO_EXT_ROUTING_HINT); |
| } |
| if (TextUtils.isEmpty(config.configString)) { |
| Log.w(CarLog.TAG_AUDIO, "AUDIO_EXT_ROUTING_HINT with empty config string"); |
| return null; |
| } |
| Map<String, ExtRoutingSourceInfo> routingTypes = new HashMap<>(); |
| String configString = config.configString; |
| if (DBG) { |
| Log.i(CarLog.TAG_AUDIO, "AUDIO_EXT_ROUTING_HINT config string:" + configString); |
| } |
| String[] routes = configString.split(","); |
| for (String routeString : routes) { |
| String[] tokens = routeString.split(":"); |
| int bitPosition = 0; |
| String name = null; |
| int physicalStreamNumber = ExtRoutingSourceInfo.NO_DISABLED_PHYSICAL_STREAM; |
| if (tokens.length == 2) { |
| bitPosition = Integer.parseInt(tokens[0]); |
| name = tokens[1]; |
| } else if (tokens.length == 3) { |
| bitPosition = Integer.parseInt(tokens[0]); |
| name = tokens[1]; |
| physicalStreamNumber = Integer.parseInt(tokens[2]); |
| } else { |
| Log.w(CarLog.TAG_AUDIO, "AUDIO_EXT_ROUTING_HINT has wrong entry:" + |
| routeString); |
| continue; |
| } |
| routingTypes.put(name, new ExtRoutingSourceInfo(bitPosition, physicalStreamNumber)); |
| } |
| return routingTypes; |
| } |
| |
| public void setExternalRoutingSource(int[] externalRoutings) { |
| try { |
| mVehicleHal.set(AUDIO_EXT_ROUTING_HINT).to(externalRoutings); |
| } catch (PropertyTimeoutException e) { |
| Log.e(CarLog.TAG_AUDIO, "Cannot write to VehicleProperty.AUDIO_EXT_ROUTING_HINT", e); |
| } |
| } |
| |
| private boolean isPropertySupportedLocked(int property) { |
| VehiclePropConfig config = mProperties.get(property); |
| return config != null; |
| } |
| |
| @Override |
| public synchronized void init() { |
| for (VehiclePropConfig config : mProperties.values()) { |
| if (VehicleHal.isPropertySubscribable(config)) { |
| int subsribeFlag = SubscribeFlags.HAL_EVENT; |
| if (AUDIO_STREAM_STATE == config.prop) { |
| subsribeFlag |= SubscribeFlags.SET_CALL; |
| } |
| mVehicleHal.subscribeProperty(this, config.prop, 0, subsribeFlag); |
| } |
| } |
| try { |
| mVariant = mVehicleHal.get(int.class, AUDIO_HW_VARIANT); |
| } catch (IllegalArgumentException e) { |
| // no variant. Set to default, 0. |
| mVariant = 0; |
| } catch (PropertyTimeoutException e) { |
| Log.e(CarLog.TAG_AUDIO, "VehicleProperty.AUDIO_HW_VARIANT not ready", e); |
| mVariant = 0; |
| } |
| } |
| |
| @Override |
| public synchronized void release() { |
| for (VehiclePropConfig config : mProperties.values()) { |
| if (VehicleHal.isPropertySubscribable(config)) { |
| mVehicleHal.unsubscribeProperty(this, config.prop); |
| } |
| } |
| mProperties.clear(); |
| } |
| |
| @Override |
| public synchronized Collection<VehiclePropConfig> takeSupportedProperties( |
| Collection<VehiclePropConfig> allProperties) { |
| for (VehiclePropConfig p : allProperties) { |
| switch (p.prop) { |
| case VehicleProperty.AUDIO_FOCUS: |
| case VehicleProperty.AUDIO_VOLUME: |
| case VehicleProperty.AUDIO_VOLUME_LIMIT: |
| case VehicleProperty.AUDIO_HW_VARIANT: |
| case VehicleProperty.AUDIO_EXT_ROUTING_HINT: |
| case VehicleProperty.AUDIO_PARAMETERS: |
| case VehicleProperty.AUDIO_STREAM_STATE: |
| mProperties.put(p.prop, p); |
| break; |
| } |
| } |
| return new ArrayList<>(mProperties.values()); |
| } |
| |
| @Override |
| public void handleHalEvents(List<VehiclePropValue> values) { |
| AudioHalFocusListener focusListener; |
| AudioHalVolumeListener volumeListener; |
| OnParameterChangeListener parameterListener; |
| synchronized (this) { |
| focusListener = mFocusListener; |
| volumeListener = mVolumeListener; |
| parameterListener = mOnParameterChangeListener; |
| } |
| dispatchEventToListener(focusListener, volumeListener, parameterListener, values); |
| } |
| |
| public String[] getAudioParameterKeys() { |
| VehiclePropConfig config; |
| synchronized (this) { |
| if (!isPropertySupportedLocked(AUDIO_PARAMETERS)) { |
| if (DBG) { |
| Log.i(CarLog.TAG_AUDIO, "AUDIO_PARAMETERS is not supported"); |
| } |
| return null; |
| } |
| config = mProperties.get(AUDIO_PARAMETERS); |
| } |
| return config.configString.split(";"); |
| } |
| |
| public void setAudioParameters(String parameters) { |
| synchronized (this) { |
| if (!isPropertySupportedLocked(AUDIO_PARAMETERS)) { |
| throw new IllegalStateException("VehicleProperty.AUDIO_PARAMETERS not supported"); |
| } |
| } |
| VehiclePropValue value = new VehiclePropValue(); |
| value.prop = AUDIO_PARAMETERS; |
| value.value.stringValue = parameters; |
| try { |
| mVehicleHal.set(value); |
| } catch (PropertyTimeoutException e) { |
| Log.e(CarLog.TAG_AUDIO, "Cannot write to VehicleProperty.AUDIO_EXT_ROUTING_HINT", e); |
| } |
| } |
| |
| public String getAudioParameters(String keys) { |
| synchronized (this) { |
| if (!isPropertySupportedLocked(AUDIO_PARAMETERS)) { |
| throw new IllegalStateException("VehicleProperty.AUDIO_PARAMETERS not supported"); |
| } |
| } |
| try { |
| VehiclePropValue requested = new VehiclePropValue(); |
| requested.prop = AUDIO_PARAMETERS; |
| requested.value.stringValue = keys; |
| VehiclePropValue propValue = mVehicleHal.get(requested); |
| return propValue.value.stringValue; |
| } catch (PropertyTimeoutException e) { |
| Log.e(CarLog.TAG_AUDIO, "VehicleProperty.AUDIO_PARAMETERS not ready", e); |
| return new String(""); |
| } |
| } |
| |
| public synchronized void setOnParameterChangeListener(OnParameterChangeListener listener) { |
| mOnParameterChangeListener = listener; |
| } |
| |
| private void dispatchEventToListener(AudioHalFocusListener focusListener, |
| AudioHalVolumeListener volumeListener, |
| OnParameterChangeListener parameterListener, |
| List<VehiclePropValue> values) { |
| for (VehiclePropValue v : values) { |
| switch (v.prop) { |
| case VehicleProperty.AUDIO_FOCUS: { |
| ArrayList<Integer> vec = v.value.int32Values; |
| int focusState = vec.get(VehicleAudioFocusIndex.FOCUS); |
| int streams = vec.get(VehicleAudioFocusIndex.STREAMS); |
| int externalFocus = vec.get(VehicleAudioFocusIndex.EXTERNAL_FOCUS_STATE); |
| if (focusListener != null) { |
| focusListener.onFocusChange(focusState, streams, externalFocus); |
| } |
| } break; |
| case VehicleProperty.AUDIO_STREAM_STATE: { |
| ArrayList<Integer> vec = v.value.int32Values; |
| boolean streamStarted = vec.get(0) == VEHICLE_AUDIO_STREAM_STATE_STARTED; |
| int streamNum = vec.get(1); |
| if (focusListener != null) { |
| focusListener.onStreamStatusChange(streamNum, streamStarted); |
| } |
| } break; |
| case AUDIO_VOLUME: { |
| ArrayList<Integer> vec = v.value.int32Values; |
| int volume = vec.get(VehicleAudioVolumeIndex.INDEX_VOLUME); |
| int streamNum = vec.get(VehicleAudioVolumeIndex.INDEX_STREAM); |
| int volumeState = vec.get(VehicleAudioVolumeIndex.INDEX_STATE); |
| if (volumeListener != null) { |
| volumeListener.onVolumeChange(streamNum, volume, volumeState); |
| } |
| } break; |
| case AUDIO_VOLUME_LIMIT: { |
| ArrayList<Integer> vec = v.value.int32Values; |
| int stream = vec.get(VehicleAudioVolumeLimitIndex.STREAM); |
| int maxVolume = vec.get(VehicleAudioVolumeLimitIndex.MAX_VOLUME); |
| if (volumeListener != null) { |
| volumeListener.onVolumeLimitChange(stream, maxVolume); |
| } |
| } break; |
| case AUDIO_PARAMETERS: { |
| String params = v.value.stringValue; |
| if (parameterListener != null) { |
| parameterListener.onParameterChange(params); |
| } |
| } |
| } |
| } |
| values.clear(); |
| } |
| |
| @Override |
| public void dump(PrintWriter writer) { |
| writer.println("*Audio HAL*"); |
| writer.println(" audio H/W variant:" + mVariant); |
| writer.println(" Supported properties"); |
| VehicleHal.dumpProperties(writer, mProperties.values()); |
| } |
| |
| } |