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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.upnpcontrol.internal.audiosink;
  14
  15 import java.io.IOException;
  16 import java.util.Locale;
  17 import java.util.Set;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.binding.upnpcontrol.internal.handler.UpnpRendererHandler;
  22 import org.openhab.core.audio.AudioFormat;
  23 import org.openhab.core.audio.AudioHTTPServer;
  24 import org.openhab.core.audio.AudioSinkAsync;
  25 import org.openhab.core.audio.AudioStream;
  26 import org.openhab.core.audio.StreamServed;
  27 import org.openhab.core.audio.URLAudioStream;
  28 import org.openhab.core.audio.UnsupportedAudioFormatException;
  29 import org.openhab.core.audio.UnsupportedAudioStreamException;
  30 import org.openhab.core.library.types.PercentType;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 /**
  35  *
  36  * @author Mark Herwege - Initial contribution
  37  * @author Laurent Garnier - Support for more audio streams through the HTTP audio servlet
  38  */
  39 @NonNullByDefault
  40 public class UpnpAudioSink extends AudioSinkAsync {
  41
  42     private final Logger logger = LoggerFactory.getLogger(UpnpAudioSink.class);
  43
  44     private static final Set<Class<? extends AudioStream>> SUPPORTED_STREAMS = Set.of(AudioStream.class);
  45     protected UpnpRendererHandler handler;
  46     protected AudioHTTPServer audioHTTPServer;
  47     protected String callbackUrl;
  48
  49     public UpnpAudioSink(UpnpRendererHandler handler, AudioHTTPServer audioHTTPServer, String callbackUrl) {
  50         this.handler = handler;
  51         this.audioHTTPServer = audioHTTPServer;
  52         this.callbackUrl = callbackUrl;
  53     }
  54
  55     @Override
  56     public String getId() {
  57         return handler.getThing().getUID().toString();
  58     }
  59
  60     @Override
  61     public @Nullable String getLabel(@Nullable Locale locale) {
  62         return handler.getThing().getLabel();
  63     }
  64
  65     @Override
  66     protected void processAsynchronously(@Nullable AudioStream audioStream)
  67             throws UnsupportedAudioFormatException, UnsupportedAudioStreamException {
  68         if (audioStream == null) {
  69             stopMedia();
  70             return;
  71         }
  72
  73         if (audioStream instanceof URLAudioStream urlAudioStream) {
  74             playMedia(urlAudioStream.getURL());
  75             try {
  76                 audioStream.close();
  77             } catch (IOException e) {
  78             }
  79         } else if (!callbackUrl.isEmpty()) {
  80             StreamServed streamServed;
  81             try {
  82                 streamServed = audioHTTPServer.serve(audioStream, 5, true);
  83             } catch (IOException e) {
  84                 try {
  85                     audioStream.close();
  86                 } catch (IOException ex) {
  87                 }
  88                 throw new UnsupportedAudioStreamException(
  89                         handler.getUDN() + " was not able to handle the audio stream (cache on disk failed).",
  90                         audioStream.getClass(), e);
  91             }
  92             streamServed.playEnd().thenRun(() -> this.playbackFinished(audioStream));
  93             playMedia(callbackUrl + streamServed.url());
  94         } else {
  95             logger.warn("We do not have any callback url, so {} cannot play the audio stream!", handler.getUDN());
  96             try {
  97                 audioStream.close();
  98             } catch (IOException e) {
  99             }
 100         }
 101     }
 102
 103     @Override
 104     public Set<AudioFormat> getSupportedFormats() {
 105         return handler.getSupportedAudioFormats();
 106     }
 107
 108     @Override
 109     public Set<Class<? extends AudioStream>> getSupportedStreams() {
 110         return SUPPORTED_STREAMS;
 111     }
 112
 113     @Override
 114     public PercentType getVolume() throws IOException {
 115         return handler.getCurrentVolume();
 116     }
 117
 118     @Override
 119     public void setVolume(@Nullable PercentType volume) throws IOException {
 120         if (volume != null) {
 121             handler.setVolume(volume);
 122         }
 123     }
 124
 125     protected void stopMedia() {
 126         handler.stop();
 127     }
 128
 129     protected void playMedia(String url) {
 130         String newUrl = url;
 131         if (!url.startsWith("x-") && !url.startsWith("http")) {
 132             newUrl = "x-file-cifs:" + url;
 133         }
 134         handler.setCurrentURI(newUrl, "");
 135         handler.play();
 136     }
 137 }