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node_modules/node-red-contrib-play-audio/LICENSE

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node_modules/node-red-contrib-play-audio/README.md

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+node-red-contrib-play-audio
+===========================
+
+<a href="http://nodered.org" target="_new">Node-RED</a> node to play audio from a raw audio buffer.
+
+Works well together with the [Watson Text to Speech node](http://flows.nodered.org/node/node-red-node-watson),
+using the WAV audio format.
+
+It can also perform Text to Speech on strings if your browser has that capability.
+
+## Requirements
+Browser support for Web Audio API.
+
+## Install
+
+#### Local
+
+Run the following command in your Node-RED user directory - typically `~/.node-red`
+
+        npm install node-red-contrib-play-audio
+
+#### Bluemix
+
+The easiest method to install on Bluemix is to fork the starter code
+<a href="https://github.com/node-red/node-red-bluemix-starter" target="_new">here</a>
+and insert "node-red-contrib-play-audio" as a dependency in `package.json`
+
+
+## Sample flow
+http://flows.nodered.org/flow/2b6b1fa3ca62f36854ce

node_modules/node-red-contrib-play-audio/examples/TTS Say Hello.json

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+[{"id":"fa9250d6.1d8d5","type":"inject","z":"896b28a8.437658","name":"","topic":"","payload":"Hello to Jason Isaacs","payloadType":"str","repeat":"","crontab":"","once":false,"x":160,"y":100,"wires":[["c9a24bb9.28a0a8"]]},{"id":"c9a24bb9.28a0a8","type":"play audio","z":"896b28a8.437658","name":"","x":370,"y":100,"wires":[]}]

node_modules/node-red-contrib-play-audio/locales/en-US/play-audio.html

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+<script type="text/x-red" data-help-name="play audio">
+    <p>A node to play audio in the browser.</p>
+    <p>To work the editor web page must be open.</p>
+    <p>Expects <code>msg.payload</code> to contain a buffer of a <b>wav</b> file.</p>
+    <p>If your browser has native support for Text-to-Speech then a <code>msg.payload</code>
+    can also be a <b>string</b> to be read aloud.</p>
+    <p>The button will stop the audio that is currently playing.</p>
+</script>

node_modules/node-red-contrib-play-audio/locales/en-US/play-audio.json

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+{
+    "playAudio": {
+        "label": {
+            "ttsVoice": "TTS Voice"
+        },
+        "status" : {
+            "playing":"playing",
+            "speaking":"speaking"
+        }
+    }
+}

node_modules/node-red-contrib-play-audio/locales/ja/play-audio.html

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+<script type="text/x-red" data-help-name="play audio">
+    <p>プラウザ上で音声を再生するノード。</p>
+    <p>動作させるには、エディタのウェブページを開いておく必要があります。</p>
+    <p><code>msg.payload</code>に<b>wav</b>ファイルのバッファが含まれることが期待されます。</p>
+    <p>もしブラウザがText-to-Speechをネイティブサポートしている場合は、<code>msg.payload</code>は読み上げる<b>文字列</b>にすることもできます。</p>
+    <p>ボタンは現在再生している音声を停止させます。</p>
+</script>

node_modules/node-red-contrib-play-audio/locales/ja/play-audio.json

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+{
+    "playAudio": {
+        "label": {
+            "ttsVoice": "TTSボイス"
+        },
+        "status" : {
+            "playing":"音",
+            "speaking":"話し中"
+        }
+    }
+}

node_modules/node-red-contrib-play-audio/package.json

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+{
+  "name": "node-red-contrib-play-audio",
+  "version": "2.5.0",
+  "description": "A node-red node for playing audio in the browser",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/lorentzlasson/node-red-contrib-play-audio.git"
+  },
+  "keywords": [
+    "node-red",
+    "audio",
+    "TTS",
+    "text-to-speech"
+  ],
+  "author": "Lorentz Lasson",
+  "contributors": [
+    {
+      "name": "Dave Conway-Jones"
+    }
+  ],
+  "license": "Apache-2.0",
+  "bugs": {
+    "url": "https://github.com/lorentzlasson/node-red-contrib-play-audio/issues"
+  },
+  "homepage": "https://github.com/lorentzlasson/node-red-contrib-play-audio",
+  "node-red": {
+    "nodes": {
+      "play-audio": "play-audio.js"
+    }
+  }
+}

node_modules/node-red-contrib-play-audio/play-audio.html

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+<!DOCTYPE html>
+<!--
+  Copyright 2015 Lorentz Lasson
+  Copyright 2015-2019 Lorentz Lasson, Dave Conway-Jones
+
+  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.
+-->
+
+<script type="text/javascript">
+(function() {
+    var voices;
+    var sources = [];
+
+    RED.nodes.registerType('play audio',{
+        category: 'output',
+        color: '#DAAFF7',
+        defaults: {
+            name: {value:""},
+            voice: {value:""}
+        },
+        inputs:1,
+        outputs:0,
+        icon: "feed.png",
+        align: "right",
+        label: function() {
+            return this.name||"play audio";
+        },
+        onpaletteadd: function() {
+
+            this.handleAudio = function(t,o) {
+                var context = new AudioContext();
+                var byteArray = (o.hasOwnProperty("data")) ? o.data : o;
+
+                ( function () {
+                    return new Promise(function resolver(resolve, reject) {
+                        if (context.state && 'running' !== context.state && context.resume) {
+                            context.resume().then(() => {
+                                resolve();
+                            })
+                        } else {
+                          resolve();
+                        }
+                    });
+                }()).then(() => {
+                  try {
+                      var source = context.createBufferSource();
+                      var buffer = new Uint8Array(byteArray.length);
+                      buffer.set(new Uint8Array(byteArray), 0);
+                      source.addEventListener('ended', () => { context.close(); context = undefined; }, {capture:false, once:true});
+                      context.decodeAudioData(buffer.buffer, function(buffer) {
+                          source.buffer = buffer;
+                          source.onended = function() {
+                              $.getJSON('playaudio',function() { });
+                              sources = sources.filter(function(s) {
+                                  if (source === s) { return false; }
+                                  else { return true; }
+                              });
+                          }
+                          source.connect(context.destination);
+                          source.start(0);
+                          sources.push(source);
+                      });
+                  }
+                  catch(e) {
+                      alert("Error playing audio: "+e);
+                  }
+                }).catch((e)=> {
+                    alert("Audio context error: "+e);
+                });
+            };
+
+            this.handleTTS = function(t,o) {
+                var v = o.split('#',2);
+                if ('speechSynthesis' in window) {
+                    voices = window.speechSynthesis.getVoices();
+                    var words = new SpeechSynthesisUtterance(v[1]);
+                    words.voice = voices[parseInt(v[0])];
+                    window.speechSynthesis.speak(words);
+                    words.onend = function(event) {
+                        $.getJSON('playaudio',function() { });
+                    }
+                }
+                else {
+                    alert("Your Browser does not support Text-to-Speech");
+                }
+            };
+
+            RED.comms.subscribe("playaudio", this.handleAudio);
+            RED.comms.subscribe("playtts", this.handleTTS);
+        },
+        oneditprepare: function() {
+            if ('speechSynthesis' in window) {
+                voices = window.speechSynthesis.getVoices();
+                for (i = 0; i < voices.length ; i++) {
+                    //console.log(i,voices[i].name,voices[i].lang,voices[i].voiceURI,voices[i].default);
+                    var option = document.createElement('option');
+                    option.textContent = voices[i].name + ' (' + voices[i].lang + ')';
+                    if (voices[i].default) { option.textContent += ' -- DEFAULT'; }
+                    option.setAttribute('value', i);
+                    document.getElementById("node-input-voice").appendChild(option);
+                }
+                $('#node-input-voice').val(this.voice || 0);
+            }
+            else {
+                $('#voice-input-row').hide();
+            }
+        },
+        button : {
+            enabled : true,
+            onclick : function() {
+                sources = sources.filter(function(source) {
+                    source.stop(0);
+                    return false;
+                });
+            }
+        }
+    });
+})();
+</script>
+
+<script type="text/html" data-template-name="play audio">
+<div class="form-row" id="voice-input-row">
+    <label for="node-input-voice"><i class="fa fa-language"></i> <span data-i18n="playAudio.label.ttsVoice"></label>
+    <select id="node-input-voice"></select>
+</div>
+    <div class="form-row">
+        <label for="node-input-name"><i class="icon-tag"></i> <span data-i18n="node-red:common.label.name"></label>
+        <input type="text" id="node-input-name" data-i18n="[placeholder]node-red:common.label.name">
+    </div>
+</script>

node_modules/node-red-contrib-play-audio/play-audio.js

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+/**
+ * Copyright 2015 Lorentz Lasson
+ * Copyright 2015-2019 Lorentz Lasson, Dave Conway-Jones
+ *
+ * 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.
+ **/
+
+module.exports = function(RED) {
+    var playaudionodeid;
+    function PlayAudioNode(config) {
+        RED.nodes.createNode(this,config);
+        this.voice = config.voice || 0;
+        var node = this;
+        playaudionodeid = this.id;
+        this.on('input', function(msg) {
+            if (Buffer.isBuffer(msg.payload)) {
+                RED.comms.publish("playaudio", msg.payload);
+                node.status({fill:"blue",shape:"dot",text:"playAudio.status.playing"});
+            }
+            else if (typeof msg.payload === "string") {
+                RED.comms.publish("playtts", node.voice+"#"+msg.payload);
+                node.status({fill:"blue",shape:"dot",text:"playAudio.status.speaking"});
+            }
+        });
+    }
+    RED.nodes.registerType("play audio", PlayAudioNode);
+    RED.httpAdmin.get("/playaudio", RED.auth.needsPermission('playaudio.read'), function(req,res) {
+        var node = RED.nodes.getNode(playaudionodeid);
+        if (node != null) { node.status({}); }
+        res.json("OK");
+    });
+}