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   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.pulseaudio.internal.handler;
  14
  15 import static org.openhab.binding.pulseaudio.internal.PulseaudioBindingConstants.*;
  16
  17 import java.io.IOException;
  18 import java.math.BigDecimal;
  19 import java.util.ArrayList;
  20 import java.util.Collections;
  21 import java.util.Hashtable;
  22 import java.util.List;
  23 import java.util.Map;
  24 import java.util.Optional;
  25 import java.util.Set;
  26 import java.util.concurrent.ConcurrentHashMap;
  27 import java.util.regex.PatternSyntaxException;
  28 import java.util.stream.Collectors;
  29 import java.util.stream.Stream;
  30
  31 import org.eclipse.jdt.annotation.NonNullByDefault;
  32 import org.eclipse.jdt.annotation.Nullable;
  33 import org.openhab.binding.pulseaudio.internal.PulseAudioAudioSink;
  34 import org.openhab.binding.pulseaudio.internal.PulseAudioAudioSource;
  35 import org.openhab.binding.pulseaudio.internal.PulseaudioBindingConstants;
  36 import org.openhab.binding.pulseaudio.internal.items.AbstractAudioDeviceConfig;
  37 import org.openhab.binding.pulseaudio.internal.items.Sink;
  38 import org.openhab.binding.pulseaudio.internal.items.SinkInput;
  39 import org.openhab.binding.pulseaudio.internal.items.Source;
  40 import org.openhab.core.audio.AudioFormat;
  41 import org.openhab.core.audio.AudioSink;
  42 import org.openhab.core.audio.AudioSource;
  43 import org.openhab.core.audio.utils.AudioSinkUtils;
  44 import org.openhab.core.config.core.Configuration;
  45 import org.openhab.core.library.types.DecimalType;
  46 import org.openhab.core.library.types.IncreaseDecreaseType;
  47 import org.openhab.core.library.types.OnOffType;
  48 import org.openhab.core.library.types.PercentType;
  49 import org.openhab.core.library.types.StringType;
  50 import org.openhab.core.thing.Bridge;
  51 import org.openhab.core.thing.ChannelUID;
  52 import org.openhab.core.thing.Thing;
  53 import org.openhab.core.thing.ThingStatus;
  54 import org.openhab.core.thing.ThingStatusDetail;
  55 import org.openhab.core.thing.ThingStatusInfo;
  56 import org.openhab.core.thing.ThingTypeUID;
  57 import org.openhab.core.thing.binding.BaseThingHandler;
  58 import org.openhab.core.thing.binding.ThingHandler;
  59 import org.openhab.core.types.Command;
  60 import org.openhab.core.types.RefreshType;
  61 import org.openhab.core.types.State;
  62 import org.openhab.core.types.UnDefType;
  63 import org.osgi.framework.BundleContext;
  64 import org.osgi.framework.ServiceRegistration;
  65 import org.slf4j.Logger;
  66 import org.slf4j.LoggerFactory;
  67
  68 /**
  69  * The {@link PulseaudioHandler} is responsible for handling commands, which are
  70  * sent to one of the channels.
  71  *
  72  * @author Tobias Bräutigam - Initial contribution
  73  * @author Miguel Álvarez - Register audio source and refactor
  74  */
  75 @NonNullByDefault
  76 public class PulseaudioHandler extends BaseThingHandler {
  77
  78     public static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections
  79             .unmodifiableSet(Stream.of(SINK_THING_TYPE, COMBINED_SINK_THING_TYPE, SINK_INPUT_THING_TYPE,
  80                     SOURCE_THING_TYPE, SOURCE_OUTPUT_THING_TYPE).collect(Collectors.toSet()));
  81     private final Logger logger = LoggerFactory.getLogger(PulseaudioHandler.class);
  82
  83     private @Nullable DeviceIdentifier deviceIdentifier;
  84     private @Nullable PulseAudioAudioSink audioSink;
  85     private @Nullable PulseAudioAudioSource audioSource;
  86     private @Nullable Integer savedVolume;
  87
  88     private final Map<String, ServiceRegistration<AudioSink>> audioSinkRegistrations = new ConcurrentHashMap<>();
  89     private final Map<String, ServiceRegistration<AudioSource>> audioSourceRegistrations = new ConcurrentHashMap<>();
  90
  91     private final BundleContext bundleContext;
  92
  93     private AudioSinkUtils audioSinkUtils;
  94
  95     public PulseaudioHandler(Thing thing, BundleContext bundleContext, AudioSinkUtils audioSinkUtils) {
  96         super(thing);
  97         this.bundleContext = bundleContext;
  98         this.audioSinkUtils = audioSinkUtils;
  99     }
 100
 101     @Override
 102     public void initialize() {
 103         Configuration config = getThing().getConfiguration();
 104         try {
 105             deviceIdentifier = new DeviceIdentifier((String) config.get(DEVICE_PARAMETER_NAME_OR_DESCRIPTION),
 106                     (String) config.get(DEVICE_PARAMETER_ADDITIONAL_FILTERS));
 107         } catch (PatternSyntaxException p) {
 108             deviceIdentifier = null;
 109             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 110                     "Incorrect regular expression: " + (String) config.get(DEVICE_PARAMETER_ADDITIONAL_FILTERS));
 111             return;
 112         }
 113         initializeWithTheBridge();
 114     }
 115
 116     public @Nullable DeviceIdentifier getDeviceIdentifier() {
 117         return deviceIdentifier;
 118     }
 119
 120     private void audioSinkSetup() {
 121         if (audioSink != null) {
 122             // Audio sink is already setup
 123             return;
 124         }
 125         if (!SINK_THING_TYPE.equals(thing.getThingTypeUID())) {
 126             return;
 127         }
 128         // check the property to see if it's enabled :
 129         Boolean sinkActivated = (Boolean) thing.getConfiguration().get(DEVICE_PARAMETER_AUDIO_SINK_ACTIVATION);
 130         if (sinkActivated == null || !sinkActivated.booleanValue()) {
 131             return;
 132         }
 133         final PulseaudioHandler thisHandler = this;
 134         PulseAudioAudioSink audioSink = new PulseAudioAudioSink(thisHandler, scheduler, audioSinkUtils);
 135         scheduler.submit(new Runnable() {
 136             @Override
 137             public void run() {
 138                 PulseaudioHandler.this.audioSink = audioSink;
 139                 try {
 140                     audioSink.connectIfNeeded();
 141                 } catch (IOException e) {
 142                     logger.warn("pulseaudio binding cannot connect to the module-simple-protocol-tcp on {} ({})",
 143                             getHost(), e.getMessage());
 144                 } catch (InterruptedException i) {
 145                     logger.info("Interrupted during sink audio connection: {}", i.getMessage());
 146                     return;
 147                 }
 148             }
 149         });
 150         // Register the sink as an audio sink in openhab
 151         logger.trace("Registering an audio sink for pulse audio sink thing {}", thing.getUID());
 152         @SuppressWarnings("unchecked")
 153         ServiceRegistration<AudioSink> reg = (ServiceRegistration<AudioSink>) bundleContext
 154                 .registerService(AudioSink.class.getName(), audioSink, new Hashtable<>());
 155         audioSinkRegistrations.put(thing.getUID().toString(), reg);
 156     }
 157
 158     private void audioSinkUnsetup() {
 159         PulseAudioAudioSink sink = audioSink;
 160         if (sink != null) {
 161             sink.disconnect();
 162             audioSink = null;
 163         }
 164         // Unregister the potential pulse audio sink's audio sink
 165         ServiceRegistration<AudioSink> sinkReg = audioSinkRegistrations.remove(getThing().getUID().toString());
 166         if (sinkReg != null) {
 167             logger.trace("Unregistering the audio sync service for pulse audio sink thing {}", getThing().getUID());
 168             sinkReg.unregister();
 169         }
 170     }
 171
 172     private void audioSourceSetup() {
 173         if (audioSource != null) {
 174             // Audio source is already setup
 175             return;
 176         }
 177         if (!SOURCE_THING_TYPE.equals(thing.getThingTypeUID())) {
 178             return;
 179         }
 180         // check the property to see if it's enabled :
 181         Boolean sourceActivated = (Boolean) thing.getConfiguration().get(DEVICE_PARAMETER_AUDIO_SOURCE_ACTIVATION);
 182         if (sourceActivated == null || !sourceActivated.booleanValue()) {
 183             return;
 184         }
 185         final PulseaudioHandler thisHandler = this;
 186         PulseAudioAudioSource audioSource = new PulseAudioAudioSource(thisHandler, scheduler);
 187         scheduler.submit(new Runnable() {
 188             @Override
 189             public void run() {
 190                 PulseaudioHandler.this.audioSource = audioSource;
 191                 try {
 192                     audioSource.connectIfNeeded();
 193                 } catch (IOException e) {
 194                     logger.warn("pulseaudio binding cannot connect to the module-simple-protocol-tcp on {} ({})",
 195                             getHost(), e.getMessage());
 196                 } catch (InterruptedException i) {
 197                     logger.info("Interrupted during source audio connection: {}", i.getMessage());
 198                     return;
 199                 }
 200             }
 201         });
 202         // Register the source as an audio source in openhab
 203         logger.trace("Registering an audio source for pulse audio source thing {}", thing.getUID());
 204         @SuppressWarnings("unchecked")
 205         ServiceRegistration<AudioSource> reg = (ServiceRegistration<AudioSource>) bundleContext
 206                 .registerService(AudioSource.class.getName(), audioSource, new Hashtable<>());
 207         audioSourceRegistrations.put(thing.getUID().toString(), reg);
 208     }
 209
 210     private void audioSourceUnsetup() {
 211         PulseAudioAudioSource source = audioSource;
 212         if (source != null) {
 213             source.disconnect();
 214             audioSource = null;
 215         }
 216         // Unregister the potential pulse audio source's audio sources
 217         ServiceRegistration<AudioSource> sourceReg = audioSourceRegistrations.remove(getThing().getUID().toString());
 218         if (sourceReg != null) {
 219             logger.trace("Unregistering the audio sync service for pulse audio source thing {}", getThing().getUID());
 220             sourceReg.unregister();
 221         }
 222     }
 223
 224     @Override
 225     public void dispose() {
 226         logger.trace("Thing {} {} disposed.", getThing().getUID(), safeGetDeviceNameOrDescription());
 227         super.dispose();
 228         audioSinkUnsetup();
 229         audioSourceUnsetup();
 230     }
 231
 232     @Override
 233     public void bridgeStatusChanged(ThingStatusInfo bridgeStatusInfo) {
 234         initializeWithTheBridge();
 235     }
 236
 237     private void initializeWithTheBridge() {
 238         PulseaudioBridgeHandler pulseaudioBridgeHandler = getPulseaudioBridgeHandler();
 239         if (pulseaudioBridgeHandler == null) {
 240             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.BRIDGE_UNINITIALIZED);
 241         } else if (pulseaudioBridgeHandler.getThing().getStatus() != ThingStatus.ONLINE) {
 242             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.BRIDGE_OFFLINE);
 243         } else {
 244             deviceUpdate(pulseaudioBridgeHandler.getDevice(deviceIdentifier));
 245         }
 246     }
 247
 248     private synchronized @Nullable PulseaudioBridgeHandler getPulseaudioBridgeHandler() {
 249         Bridge bridge = getBridge();
 250         if (bridge == null) {
 251             logger.debug("Required bridge not defined for device {}.", safeGetDeviceNameOrDescription());
 252             return null;
 253         }
 254         ThingHandler handler = bridge.getHandler();
 255         if (handler instanceof PulseaudioBridgeHandler) {
 256             return (PulseaudioBridgeHandler) handler;
 257         } else {
 258             logger.debug("No available bridge handler found for device {} bridge {} .",
 259                     safeGetDeviceNameOrDescription(), bridge.getUID());
 260             return null;
 261         }
 262     }
 263
 264     @Override
 265     public void handleCommand(ChannelUID channelUID, Command command) {
 266         PulseaudioBridgeHandler briHandler = getPulseaudioBridgeHandler();
 267         if (briHandler == null) {
 268             logger.debug("pulseaudio server bridge handler not found. Cannot handle command without bridge.");
 269             return;
 270         }
 271         if (command instanceof RefreshType) {
 272             briHandler.handleCommand(channelUID, command);
 273             return;
 274         }
 275
 276         AbstractAudioDeviceConfig device = briHandler.getDevice(deviceIdentifier);
 277         if (device == null) {
 278             logger.warn("device {} not found", safeGetDeviceNameOrDescription());
 279             deviceUpdate(null);
 280             return;
 281         } else {
 282             State updateState = UnDefType.UNDEF;
 283             if (channelUID.getId().equals(VOLUME_CHANNEL)) {
 284                 if (command instanceof IncreaseDecreaseType) {
 285                     // refresh to get the current volume level
 286                     briHandler.getClient().update();
 287                     device = briHandler.getDevice(deviceIdentifier);
 288                     if (device == null) {
 289                         logger.warn("missing device info, aborting");
 290                         return;
 291                     }
 292                     int oldVolume = device.getVolume();
 293                     int newVolume = oldVolume;
 294                     if (command.equals(IncreaseDecreaseType.INCREASE)) {
 295                         newVolume = Math.min(100, oldVolume + 5);
 296                     }
 297                     if (command.equals(IncreaseDecreaseType.DECREASE)) {
 298                         newVolume = Math.max(0, oldVolume - 5);
 299                     }
 300                     briHandler.getClient().setVolumePercent(device, newVolume);
 301                     updateState = new PercentType(newVolume);
 302                     savedVolume = newVolume;
 303                 } else if (command instanceof PercentType) {
 304                     DecimalType volume = (DecimalType) command;
 305                     briHandler.getClient().setVolumePercent(device, volume.intValue());
 306                     updateState = (PercentType) command;
 307                     savedVolume = volume.intValue();
 308                 } else if (command instanceof DecimalType) {
 309                     // set volume
 310                     DecimalType volume = (DecimalType) command;
 311                     briHandler.getClient().setVolume(device, volume.intValue());
 312                     updateState = (DecimalType) command;
 313                     savedVolume = volume.intValue();
 314                 }
 315             } else if (channelUID.getId().equals(MUTE_CHANNEL)) {
 316                 if (command instanceof OnOffType) {
 317                     briHandler.getClient().setMute(device, OnOffType.ON.equals(command));
 318                     updateState = (OnOffType) command;
 319                 }
 320             } else if (channelUID.getId().equals(SLAVES_CHANNEL)) {
 321                 if (device instanceof Sink && ((Sink) device).isCombinedSink()) {
 322                     if (command instanceof StringType) {
 323                         List<Sink> slaves = new ArrayList<>();
 324                         for (String slaveName : command.toString().split(",")) {
 325                             Sink slave = briHandler.getClient().getSink(slaveName.trim());
 326                             if (slave != null) {
 327                                 slaves.add(slave);
 328                             }
 329                         }
 330                         if (!slaves.isEmpty()) {
 331                             briHandler.getClient().setCombinedSinkSlaves(((Sink) device), slaves);
 332                         }
 333                     }
 334                 } else {
 335                     logger.warn("{} is no combined sink", device);
 336                 }
 337             } else if (channelUID.getId().equals(ROUTE_TO_SINK_CHANNEL)) {
 338                 if (device instanceof SinkInput) {
 339                     Sink newSink = null;
 340                     if (command instanceof DecimalType) {
 341                         newSink = briHandler.getClient().getSink(((DecimalType) command).intValue());
 342                     } else {
 343                         newSink = briHandler.getClient().getSink(command.toString());
 344                     }
 345                     if (newSink != null) {
 346                         logger.debug("rerouting {} to {}", device, newSink);
 347                         briHandler.getClient().moveSinkInput(((SinkInput) device), newSink);
 348                         updateState = new StringType(newSink.getPaName());
 349                     } else {
 350                         logger.warn("no sink {} found", command.toString());
 351                     }
 352                 }
 353             }
 354             logger.trace("updating {} to {}", channelUID, updateState);
 355             if (!updateState.equals(UnDefType.UNDEF)) {
 356                 updateState(channelUID, updateState);
 357             }
 358         }
 359     }
 360
 361     /**
 362      * Use last checked volume for faster access
 363      *
 364      * @return
 365      */
 366     public Integer getLastVolume() {
 367         Integer savedVolumeFinal = savedVolume;
 368         if (savedVolumeFinal == null) {
 369             PulseaudioBridgeHandler briHandler = getPulseaudioBridgeHandler();
 370             if (briHandler != null) {
 371                 // refresh to get the current volume level
 372                 briHandler.getClient().update();
 373                 AbstractAudioDeviceConfig device = briHandler.getDevice(deviceIdentifier);
 374                 if (device != null) {
 375                     savedVolume = savedVolumeFinal = device.getVolume();
 376                 }
 377             }
 378         }
 379         return savedVolumeFinal == null ? 50 : savedVolumeFinal;
 380     }
 381
 382     public void setVolume(int volume) {
 383         PulseaudioBridgeHandler briHandler = getPulseaudioBridgeHandler();
 384         if (briHandler == null) {
 385             logger.warn("bridge is not ready");
 386             return;
 387         }
 388         AbstractAudioDeviceConfig device = briHandler.getDevice(deviceIdentifier);
 389         if (device == null) {
 390             logger.warn("missing device info, aborting");
 391             return;
 392         }
 393         briHandler.getClient().setVolumePercent(device, volume);
 394         updateState(VOLUME_CHANNEL, new PercentType(volume));
 395         savedVolume = volume;
 396     }
 397
 398     public void deviceUpdate(@Nullable AbstractAudioDeviceConfig device) {
 399         if (device != null) {
 400             updateStatus(ThingStatus.ONLINE, ThingStatusDetail.NONE);
 401             logger.debug("Updating states of {} id: {}", device, VOLUME_CHANNEL);
 402             int actualVolume = device.getVolume();
 403             savedVolume = actualVolume;
 404             updateState(VOLUME_CHANNEL, new PercentType(actualVolume));
 405             updateState(MUTE_CHANNEL, OnOffType.from(device.isMuted()));
 406             org.openhab.binding.pulseaudio.internal.items.AbstractAudioDeviceConfig.State state = device.getState();
 407             updateState(STATE_CHANNEL, state != null ? new StringType(state.toString()) : new StringType("-"));
 408             if (device instanceof SinkInput) {
 409                 updateState(ROUTE_TO_SINK_CHANNEL, new StringType(
 410                         Optional.ofNullable(((SinkInput) device).getSink()).map(Sink::getPaName).orElse("-")));
 411             }
 412             if (device instanceof Sink && ((Sink) device).isCombinedSink()) {
 413                 updateState(SLAVES_CHANNEL, new StringType(String.join(",", ((Sink) device).getCombinedSinkNames())));
 414             }
 415             audioSinkSetup();
 416             audioSourceSetup();
 417         } else {
 418             updateState(VOLUME_CHANNEL, UnDefType.UNDEF);
 419             updateState(MUTE_CHANNEL, UnDefType.UNDEF);
 420             updateState(STATE_CHANNEL, UnDefType.UNDEF);
 421             if (SINK_INPUT_THING_TYPE.equals(thing.getThingTypeUID())) {
 422                 updateState(ROUTE_TO_SINK_CHANNEL, UnDefType.UNDEF);
 423             }
 424             if (COMBINED_SINK_THING_TYPE.equals(thing.getThingTypeUID())) {
 425                 updateState(SLAVES_CHANNEL, UnDefType.UNDEF);
 426             }
 427             audioSinkUnsetup();
 428             audioSourceUnsetup();
 429             updateStatus(ThingStatus.OFFLINE);
 430         }
 431     }
 432
 433     public String getHost() {
 434         Bridge bridge = getBridge();
 435         if (bridge != null) {
 436             return (String) bridge.getConfiguration().get(PulseaudioBindingConstants.BRIDGE_PARAMETER_HOST);
 437         } else {
 438             logger.warn("A bridge must be configured for this pulseaudio thing");
 439             return "null";
 440         }
 441     }
 442
 443     /**
 444      * This method will scan the pulseaudio server to find the port on which the module/sink/source is listening
 445      * If no module is listening, then it will command the module to load on the pulse audio server,
 446      *
 447      * @return the port on which the pulseaudio server is listening for this sink/source
 448      * @throws IOException when device info is not available
 449      * @throws InterruptedException when interrupted during the loading module wait
 450      */
 451     public int getSimpleTcpPortAndLoadModuleIfNecessary() throws IOException, InterruptedException {
 452         var briHandler = getPulseaudioBridgeHandler();
 453         if (briHandler == null) {
 454             throw new IOException("bridge is not ready");
 455         }
 456         AbstractAudioDeviceConfig device = briHandler.getDevice(deviceIdentifier);
 457         if (device == null) {
 458             throw new IOException(
 459                     "missing device info, device " + safeGetDeviceNameOrDescription() + " appears to be offline");
 460         }
 461         String simpleTcpPortPrefName = (device instanceof Source) ? DEVICE_PARAMETER_AUDIO_SOURCE_PORT
 462                 : DEVICE_PARAMETER_AUDIO_SINK_PORT;
 463         BigDecimal simpleTcpPortPref = ((BigDecimal) getThing().getConfiguration().get(simpleTcpPortPrefName));
 464         int simpleTcpPort = simpleTcpPortPref != null ? simpleTcpPortPref.intValue()
 465                 : MODULE_SIMPLE_PROTOCOL_TCP_DEFAULT_PORT;
 466         String simpleFormat = ((String) getThing().getConfiguration().get(DEVICE_PARAMETER_AUDIO_SOURCE_FORMAT));
 467         BigDecimal simpleRate = (BigDecimal) getThing().getConfiguration().get(DEVICE_PARAMETER_AUDIO_SOURCE_RATE);
 468         BigDecimal simpleChannels = (BigDecimal) getThing().getConfiguration()
 469                 .get(DEVICE_PARAMETER_AUDIO_SOURCE_CHANNELS);
 470         return briHandler.getClient()
 471                 .loadModuleSimpleProtocolTcpIfNeeded(device, simpleTcpPort, simpleFormat, simpleRate, simpleChannels)
 472                 .orElse(simpleTcpPort);
 473     }
 474
 475     public @Nullable AudioFormat getSourceAudioFormat() {
 476         String simpleFormat = ((String) getThing().getConfiguration().get(DEVICE_PARAMETER_AUDIO_SOURCE_FORMAT));
 477         BigDecimal simpleRate = ((BigDecimal) getThing().getConfiguration().get(DEVICE_PARAMETER_AUDIO_SOURCE_RATE));
 478         BigDecimal simpleChannels = ((BigDecimal) getThing().getConfiguration()
 479                 .get(DEVICE_PARAMETER_AUDIO_SOURCE_CHANNELS));
 480         if (simpleFormat == null || simpleRate == null || simpleChannels == null) {
 481             return null;
 482         }
 483         switch (simpleFormat) {
 484             case "u8":
 485                 return new AudioFormat(AudioFormat.CONTAINER_WAVE, AudioFormat.CODEC_PCM_UNSIGNED, null, 8, 1,
 486                         simpleRate.longValue(), simpleChannels.intValue());
 487             case "s16le":
 488                 return new AudioFormat(AudioFormat.CONTAINER_WAVE, AudioFormat.CODEC_PCM_SIGNED, false, 16, 1,
 489                         simpleRate.longValue(), simpleChannels.intValue());
 490             case "s16be":
 491                 return new AudioFormat(AudioFormat.CONTAINER_WAVE, AudioFormat.CODEC_PCM_SIGNED, true, 16, 1,
 492                         simpleRate.longValue(), simpleChannels.intValue());
 493             case "s24le":
 494                 return new AudioFormat(AudioFormat.CONTAINER_WAVE, AudioFormat.CODEC_PCM_SIGNED, false, 24, 1,
 495                         simpleRate.longValue(), simpleChannels.intValue());
 496             case "s24be":
 497                 return new AudioFormat(AudioFormat.CONTAINER_WAVE, AudioFormat.CODEC_PCM_SIGNED, true, 24, 1,
 498                         simpleRate.longValue(), simpleChannels.intValue());
 499             case "s32le":
 500                 return new AudioFormat(AudioFormat.CONTAINER_WAVE, AudioFormat.CODEC_PCM_SIGNED, false, 32, 1,
 501                         simpleRate.longValue(), simpleChannels.intValue());
 502             case "s32be":
 503                 return new AudioFormat(AudioFormat.CONTAINER_WAVE, AudioFormat.CODEC_PCM_SIGNED, true, 32, 1,
 504                         simpleRate.longValue(), simpleChannels.intValue());
 505             default:
 506                 logger.warn("unsupported format {}", simpleFormat);
 507                 return null;
 508         }
 509     }
 510
 511     public int getIdleTimeout() {
 512         var idleTimeout = 3000;
 513         var handler = getPulseaudioBridgeHandler();
 514         if (handler != null) {
 515             AbstractAudioDeviceConfig device = handler.getDevice(deviceIdentifier);
 516             String idleTimeoutPropName = (device instanceof Source) ? DEVICE_PARAMETER_AUDIO_SOURCE_IDLE_TIMEOUT
 517                     : DEVICE_PARAMETER_AUDIO_SINK_IDLE_TIMEOUT;
 518             var idleTimeoutB = (BigDecimal) getThing().getConfiguration().get(idleTimeoutPropName);
 519             if (idleTimeoutB != null) {
 520                 idleTimeout = idleTimeoutB.intValue();
 521             }
 522         }
 523         return idleTimeout;
 524     }
 525
 526     private String safeGetDeviceNameOrDescription() {
 527         DeviceIdentifier deviceIdentifierFinal = deviceIdentifier;
 528         return deviceIdentifierFinal == null ? "UNKNOWN" : deviceIdentifierFinal.getNameOrDescription();
 529     }
 530
 531     public int getBasicProtocolSOTimeout() {
 532         var soTimeout = (BigDecimal) getThing().getConfiguration().get(DEVICE_PARAMETER_AUDIO_SOCKET_SO_TIMEOUT);
 533         return soTimeout != null ? soTimeout.intValue() : 500;
 534     }
 535 }