Merge pull request 'Update 'app.js'' (#33) from sergiu-patch-1 into develop

Reviewed-on: #33
Reviewed-by: bmamihai <mihai.bozieru@safemobile.com>

.dockerignore

@@ -0,0 +1,2 @@
+node_modules
+doc

Dockerfile

@@ -1,11 +1,25 @@
-FROM ubuntu
+FROM ubuntu:22.04
+
+WORKDIR /app
+
 RUN apt-get update && \
     apt-get install -y build-essential pip net-tools iputils-ping iproute2 curl
 
-RUN curl -fsSL https://deb.nodesource.com/setup_16.x | bash -
+RUN curl -fsSL https://deb.nodesource.com/setup_18.x | bash -
 RUN apt-get install -y nodejs
-RUN npm install -g watchify
 
-EXPOSE 3000
-EXPOSE 2000-2020
-EXPOSE 10000-10100
+COPY . /app/
+
+RUN npm install
+
+EXPOSE 3000/tcp
+EXPOSE 2000-2200/udp
+
+CMD node app.js
+
+#docker build -t linx-video .
+# docker run -it -d --restart always -p 3000:3000/tcp -p 2000-2200:2000-2200/udp linx-video
+#Run under host network
+# docker run -it -d --network host --restart always -p 3000:3000/tcp -p 2000-2200:2000-2200/udp linx-video
+#https://docs.docker.com/config/containers/resource_constraints/
+#docker run -it -d --network host --cpus="0.25" --memory="512m" --restart always -p 3000:3000/tcp -p 2000-2200:2000-2200/udp linx-video

build.sh

@@ -1,4 +1,40 @@
 #/!bin/bash
+## FUNCTIONS
+function getGitVersion(){
+  version=$(git describe)
+  count=$(echo ${version%%-*} | grep -o "\." | wc -l)
+  if (( $count > 1 )); then
+    version=${version%%-*}
+  elif (( $count == 0 ));then
+    echo -e "Error: Git version \"${version%%-*}\" not respecting Safemobile standard.\n Must be like 4.xx or 4.xx.xx"
+    version="0.0.0"
+  else
+    if [[ "$1" == "dev" ]];then
+      cleanprefix=${version#*-} # remove everything before `-` including `-`
+      cleansuffix=${cleanprefix%-*} # remove everything after `-` including `-`
+      version="${version%%-*}.${cleansuffix}"
+    else
+      version="${version%%-*}.0" # one `%` remove everything after last `-`, two `%%` remove everything after all `-`
+    fi
+  fi
+}
+
+function addVersionPm2(){
+  file_pkg="package.json"
+  key="  \"version\": \""
+
+  if [ -f "$file_pkg" ] && [ ! -z "$version" ]; then
+    versionApp="  \"version\": \"$version\","
+    sed -i "s|^.*$key.*|${versionApp//\//\\/}|g" $file_pkg
+    text=$(cat $file_pkg | grep -c "$version")
+    if [ $text -eq 0 ]; then
+      echo "Version couldn't be set"
+    else
+      echo "Version $version successfully applied to App"
+    fi
+  fi
+}
+
 ## PREBUILD PROCESS
 # check dist dir to be present and empty
 if [ ! -d "dist" ]; then
@@ -9,38 +45,31 @@ else
   ## CLEANUP
   rm -fr dist/*
 fi
+
+if [ -d "node_modules" ]; then
+  rm -fr node_modules
+fi
+
 # Install dependencies
 #npm install
 
 ## PROJECT NEEDS
 echo "Building app... from $(git rev-parse --abbrev-ref HEAD)"
 #npm run-script build
-cp -r {.env,app.js,package.json,server,public} dist/
+cp -r {.env,app.js,package.json,server,public,doc,Dockerfile} dist/
+#cp -r ./* dist/
 
-#Add version control for pm2
+# Generate Git log
+dateString=$(date +"%Y%m%d-%H%M%S")
+git log --pretty=format:"%ad%x09%an%x09%s" --no-merges -20 > "dist/git-$dateString.log"
+
+# Get Git version control
+getGitVersion $1
+
+# Add version control for pm2
 cd dist
-#Add version control for pm2
-version=$(git describe)
-file_pkg="package.json"
-key="  \"version\": \""
-
-count=$(echo ${version%%-*} | grep -o "\." | wc -l)
-if (( $count > 1 )); then
-        version=${version%%-*}
-else
-        version="${version%%-*}.0"
-fi
-if [ -f "$file_pkg" ] && [ ! -z "$version" ]; then
-  version="  \"version\": \"$version\","
-  sed -i "s|^.*$key.*|${version//\//\\/}|g" $file_pkg
-  text=$(cat $file_pkg | grep -c "$version")
-  if [ $text -eq 0 ]; then
-          echo "Version couldn't be set"
-  else
-          echo "Version $version successfully applied to App"
-  fi
-fi
+addVersionPm2
 
 ## POST BUILD
 
-cd -
+cd -

public/bundle.js

@@ -20353,7 +20353,7 @@ module.exports = yeast;
 },{}],94:[function(require,module,exports){
 module.exports = {
   hubAddress: 'https://hub.dev.linx.safemobile.com/',
-  mediasoupAddress: 'https://video.safemobile.org',
+  mediasoupAddress: 'https://testing.video.safemobile.org/',
 }
 },{}],95:[function(require,module,exports){
 const io = require('socket.io-client')
@@ -20368,10 +20368,24 @@ const ASSET_NAME = urlParams.get('assetName') || null;
 const ASSET_TYPE = urlParams.get('assetType') || null;
 let callId = parseInt(urlParams.get('callId')) || null;
 const IS_PRODUCER = urlParams.get('producer') === 'true' ? true : false
+let remoteVideo = document.getElementById('remoteVideo')
+remoteVideo.defaultMuted = true
+let produceAudio = false
+
 console.log('[URL] ASSET_ID', ASSET_ID, '| ACCOUNT_ID', ACCOUNT_ID, '| callId', callId, ' | IS_PRODUCER', IS_PRODUCER)
 
 console.log('🟩 config', config)
 
+produceAudioSelector = document.getElementById('produceAudio');
+produceAudioSelector.addEventListener('change', e => {
+    if(e.target.checked) {
+      produceAudio = true
+      console.log('produce audio');
+    } else {
+      produceAudio = false
+    }
+});
+
 let socket, hub
 let device
 let rtpCapabilities
@@ -20381,6 +20395,21 @@ let producerVideo
 let producerAudio
 let consumer
 let originAssetId
+let consumerVideo // local consumer video(consumer not transport)
+let consumerAudio // local consumer audio(consumer not transport)
+
+const remoteSoundControl = document.getElementById('remoteSoundControl');
+
+remoteSoundControl.addEventListener('click', function handleClick() {
+  console.log('remoteSoundControl.textContent', remoteSoundControl.textContent);
+  if (remoteSoundControl.textContent === 'Unmute') {
+    remoteVideo.muted = false
+    remoteSoundControl.textContent = 'Mute';
+  } else {
+    remoteVideo.muted = true
+    remoteSoundControl.textContent = 'Unmute';
+  }
+});
 
 // https://mediasoup.org/documentation/v3/mediasoup-client/api/#ProducerOptions
 // https://mediasoup.org/documentation/v3/mediasoup-client/api/#transport-produce
@@ -20420,10 +20449,23 @@ setTimeout(() => {
       console.log(`[MEDIA] ${config.mediasoupAddress} | connected: ${socket.connected} | existsProducer: ${existsProducer}`)
       if (!IS_PRODUCER && existsProducer && consumer === undefined) { 
         goConnect()
-        // document.getElementById('btnRecvSendTransport').click();
       }
       if (IS_PRODUCER && urlParams.get('testing') === 'true') { getLocalStream() }
     })
+
+    socket.on('new-producer', ({ callId, kind }) => {
+      console.log(`🟢 new-producer | callId: ${callId} | kind: ${kind} | Ready to consume`);
+      connectRecvTransport();
+    })
+
+    socket.on('close-producer', ({ callId, kind }) => {
+      console.log(`🔴 close-producer | callId: ${callId} | kind: ${kind}`);
+      if (kind === 'video') {
+        consumerVideo.close()
+        remoteVideo.srcObject = null
+      }
+      else if (kind === 'audio') consumerAudio.close()
+    })
   }
   
   if (IS_PRODUCER === true) {
@@ -20502,7 +20544,7 @@ const streamSuccess = (stream) => {
 const getLocalStream = () => {
   console.log('[getLocalStream]');
   navigator.mediaDevices.getUserMedia({
-    audio: true,
+    audio: produceAudio ? true : false,
     video: {
       qvga : { width: { ideal: 320 }, height: { ideal: 240 } },
       vga  : { width: { ideal: 640 }, height: { ideal: 480 } },
@@ -20580,7 +20622,7 @@ const createSendTransport = () => {
   console.log('[createSendTransport');
   // see server's socket.on('createWebRtcTransport', sender?, ...)
   // this is a call from Producer, so sender = true
-  socket.emit('createWebRtcTransport', { sender: true, callId }, (value) => {
+  socket.emit('createWebRtcTransport', { sender: true }, (value) => {
 
     console.log(`[createWebRtcTransport] value: ${JSON.stringify(value)}`);
 
@@ -20651,34 +20693,36 @@ const connectSendTransport = async () => {
   // this action will trigger the 'connect' and 'produce' events above
   
   // Produce video
-  producerVideo = await producerTransport.produce(videoParams)
+  let producerVideoHandler = await producerTransport.produce(videoParams)
   console.log('videoParams', videoParams);
   console.log('producerVideo', producerVideo);
 
-  producerVideo.on('trackended', () => {
+  producerVideoHandler.on('trackended', () => {
     console.log('track ended')
     // close video track
   })  
 
-  producerVideo.on('transportclose', () => {
+  producerVideoHandler.on('transportclose', () => {
     console.log('transport ended')
     // close video track
   })    
   
   // Produce audio
-  producerAudio = await producerTransport.produce(audioParams)
-  console.log('audioParams', audioParams);
-  console.log('producerAudio', producerAudio);
-
-  producerAudio.on('trackended', () => {
-    console.log('track ended')
-    // close audio track
-  })
-
-  producerAudio.on('transportclose', () => {
-    console.log('transport ended')
-    // close audio track
-  })
+  if (produceAudio) {
+    let producerAudioHandler = await producerTransport.produce(audioParams)
+    console.log('audioParams', audioParams);
+    console.log('producerAudio', producerAudio);
+  
+    producerAudioHandler.on('trackended', () => {
+      console.log('track ended')
+      // close audio track
+    })
+  
+    producerAudioHandler.on('transportclose', () => {
+      console.log('transport ended')
+      // close audio track
+    })
+  }
 
   const answer = {
     origin_asset_id: ASSET_ID,
@@ -20700,6 +20744,8 @@ const connectSendTransport = async () => {
   // Enable Close call button
   const closeCallBtn = document.getElementById('btnCloseCall');
   closeCallBtn.removeAttribute('disabled');
+
+  createRecvTransport();
 }
 
 const createRecvTransport = async () => {
@@ -20739,7 +20785,8 @@ const createRecvTransport = async () => {
         errback(error)
       }
     })
-    connectRecvTransport()
+    // We call it in new-rpoducer, we don't need it here anymore
+    // connectRecvTransport()
   })
 }
 
@@ -20762,34 +20809,91 @@ const connectRecvTransport = async () => {
   await socket.emit('consume', {
     rtpCapabilities: device.rtpCapabilities,
     callId
-  }, async ({ params }) => {
-    if (params.error) {
-      console.log('Cannot Consume')
-      return
-    }
-
-    // Then consume with the local consumer transport
-    // which creates a consumer
-    consumer = await consumerTransport.consume({
-      id: params.id,
-      producerId: params.producerId,
-      kind: params.kind,
-      rtpParameters: params.rtpParameters
-    })
-
-    // destructure and retrieve the video track from the producer
-    const { track } = consumer
+  }, async ({videoParams, audioParams}) => {
+    console.log(`[consume] 🟩 videoParams`, videoParams)
+    console.log(`[consume] 🟩 audioParams`, audioParams)
+    console.log('[consume] 🟩 consumerTransport', consumerTransport)
 
     let stream = new MediaStream()
-    stream.addTrack(track)
-    // stream.removeTrack(track)
-    remoteVideo.srcObject = stream
-    socket.emit('consumer-resume')
-    console.log('consumer', consumer);
 
+    // Maybe the unit does not produce video or audio, so we must only consume what is produced
+    if (videoParams) {
+      console.log('❗ Have VIDEO stream to consume');
+      stream.addTrack(await getVideoTrask(videoParams))
+    } else {
+      console.log('❗ Don\'t have VIDEO stream to consume');
+    }
+    
+    if (audioParams) {
+      console.log('❗ Have AUDIO stream to consume');
+      let audioTrack = await getAudioTrask(audioParams)
+      stream.addTrack(audioTrack)
+    } else {
+      console.log('❗ Don\'t have AUDIO stream to consume');
+    }
+
+    socket.emit('consumer-resume')
+
+    remoteVideo.srcObject = stream
+    remoteVideo.setAttribute('autoplay', true)
+
+    remoteVideo.play()
+    .then(() => {
+      console.log('remoteVideo PLAY')
+    })
+    .catch((error) => {
+      console.error(`remoteVideo PLAY ERROR | ${error.message}`)
+    })
   })
 }
 
+const getVideoTrask = async (videoParams) => {
+  consumerVideo = await consumerTransport.consume({
+    id: videoParams.id,
+    producerId: videoParams.producerId,
+    kind: videoParams.kind,
+    rtpParameters: videoParams.rtpParameters
+  }) 
+
+  return consumerVideo.track
+}
+
+const getAudioTrask = async (audioParams) => {
+  consumerAudio = await consumerTransport.consume({
+    id: audioParams.id,
+    producerId: audioParams.producerId,
+    kind: audioParams.kind,
+    rtpParameters: audioParams.rtpParameters
+  })
+
+  consumerAudio.on('transportclose', () => {
+    console.log('transport closed so consumer closed')
+  })
+
+  const audioTrack = consumerAudio.track
+
+  audioTrack.applyConstraints({
+    audio: {
+      advanced: [
+        {
+          echoCancellation: {exact: true}
+        },
+        {
+          autoGainControl: {exact: true}
+        },
+        {
+          noiseSuppression: {exact: true}
+        }, 
+        {
+          highpassFilter: {exact: true}
+        }
+      ]
+    }
+  })
+
+  return audioTrack
+}
+
 const closeCall = () => {
   console.log('closeCall');
   
@@ -20811,8 +20915,31 @@ const closeCall = () => {
   resetCallSettings()
 }
 
+// const consume = async (kind) => {
+//   console.log(`[consume] kind: ${kind}`)
+//   console.log('createRecvTransport Consumer')
+//   await socket.emit('createWebRtcTransport', { sender: false, callId, dispatcher: true }, ({ params }) => {
+//     if (params.error) {
+//       console.log('createRecvTransport | createWebRtcTransport | Error', params.error)
+//       return
+//     }
+//     consumerTransport = device.createRecvTransport(params)
+//     consumerTransport.on('connect', async ({ dtlsParameters }, callback, errback) => {
+//       try {
+//         await socket.emit('transport-recv-connect', {
+//           dtlsParameters,
+//         })
+//         callback()
+//       } catch (error) {
+//         errback(error)
+//       }
+//     })
+    
+//     connectRecvTransport()
+//   })
+// }
 
 btnLocalVideo.addEventListener('click', getLocalStream)
-btnRecvSendTransport.addEventListener('click', goConnect)
+// btnRecvSendTransport.addEventListener('click', consume)
 btnCloseCall.addEventListener('click', closeCall)
 },{"./config":94,"mediasoup-client":66,"socket.io-client":82}]},{},[95]);

public/config.js

@@ -1,4 +1,4 @@
 module.exports = {
   hubAddress: 'https://hub.dev.linx.safemobile.com/',
-  mediasoupAddress: 'https://video.safemobile.org',
+  mediasoupAddress: 'https://testing.video.safemobile.org/',
 }

public/index.html

@@ -34,6 +34,9 @@
   <body>
     <body>
         <div id="video">
+            <legend>Client options:</legend>
+            <input type="checkbox" id="produceAudio" name="produceAudio">
+            <label for="produceAudio">Produce audio</label><br>
             <table>
                 <thead>
                     <th>Local Video</th>
@@ -43,12 +46,24 @@
                     <tr>
                         <td>
                             <div id="sharedBtns">
-                                <video id="localVideo" autoplay class="video" muted></video>
+                                <video
+                                    id="localVideo"
+                                    class="video"
+                                    autoplay
+                                    muted
+                                    playsinline
+                                ></video>
                             </div>
                         </td>
                         <td>
                             <div id="sharedBtns">
-                                <video id="remoteVideo" autoplay class="video" ></video>
+                                <video
+                                    id="remoteVideo"
+                                    class="video"
+                                    autoplay
+                                    muted
+                                    playsinline
+                                ></video>
                             </div>
                         </td>
                     </tr>
@@ -60,34 +75,11 @@
                         </td>
                         <td>
                             <div id="sharedBtns">
-                                <button id="btnRecvSendTransport">Consume</button>
+                                <!-- <button id="btnRecvSendTransport">Consume</button> -->
+                                <button id="remoteSoundControl">Unmute</button>
                             </div>
                         </td>
                     </tr>
-                    <!-- <tr>
-                        <td colspan="2">
-                            <div id="sharedBtns">
-                                <button id="btnRtpCapabilities">2. Get Rtp Capabilities</button>
-                                <br />
-                                <button id="btnDevice">3. Create Device</button>
-                            </div>
-                        </td>
-                    </tr>
-                    <tr>
-                        <td>
-                            <div id="sharedBtns">
-                                <button id="btnCreateSendTransport">4. Create Send Transport</button>
-                                <br />
-                                <button id="btnConnectSendTransport">5. Connect Send Transport & Produce</button></td>
-                            </div>
-                        <td>
-                            <div id="sharedBtns">
-                                <button id="btnRecvSendTransport">6. Create Recv Transport</button>
-                                <br />
-                                <button id="btnConnectRecvTransport">7. Connect Recv Transport & Consume</button>
-                            </div>
-                        </td>
-                    </tr> -->
                 </tbody>
             </table>
             <div id="closeCallBtn">

public/index.js

@@ -10,10 +10,24 @@ const ASSET_NAME = urlParams.get('assetName') || null;
 const ASSET_TYPE = urlParams.get('assetType') || null;
 let callId = parseInt(urlParams.get('callId')) || null;
 const IS_PRODUCER = urlParams.get('producer') === 'true' ? true : false
+let remoteVideo = document.getElementById('remoteVideo')
+remoteVideo.defaultMuted = true
+let produceAudio = false
+
 console.log('[URL] ASSET_ID', ASSET_ID, '| ACCOUNT_ID', ACCOUNT_ID, '| callId', callId, ' | IS_PRODUCER', IS_PRODUCER)
 
 console.log('🟩 config', config)
 
+produceAudioSelector = document.getElementById('produceAudio');
+produceAudioSelector.addEventListener('change', e => {
+    if(e.target.checked) {
+      produceAudio = true
+      console.log('produce audio');
+    } else {
+      produceAudio = false
+    }
+});
+
 let socket, hub
 let device
 let rtpCapabilities
@@ -23,6 +37,21 @@ let producerVideo
 let producerAudio
 let consumer
 let originAssetId
+let consumerVideo // local consumer video(consumer not transport)
+let consumerAudio // local consumer audio(consumer not transport)
+
+const remoteSoundControl = document.getElementById('remoteSoundControl');
+
+remoteSoundControl.addEventListener('click', function handleClick() {
+  console.log('remoteSoundControl.textContent', remoteSoundControl.textContent);
+  if (remoteSoundControl.textContent === 'Unmute') {
+    remoteVideo.muted = false
+    remoteSoundControl.textContent = 'Mute';
+  } else {
+    remoteVideo.muted = true
+    remoteSoundControl.textContent = 'Unmute';
+  }
+});
 
 // https://mediasoup.org/documentation/v3/mediasoup-client/api/#ProducerOptions
 // https://mediasoup.org/documentation/v3/mediasoup-client/api/#transport-produce
@@ -62,10 +91,23 @@ setTimeout(() => {
       console.log(`[MEDIA] ${config.mediasoupAddress} | connected: ${socket.connected} | existsProducer: ${existsProducer}`)
       if (!IS_PRODUCER && existsProducer && consumer === undefined) { 
         goConnect()
-        // document.getElementById('btnRecvSendTransport').click();
       }
       if (IS_PRODUCER && urlParams.get('testing') === 'true') { getLocalStream() }
     })
+
+    socket.on('new-producer', ({ callId, kind }) => {
+      console.log(`🟢 new-producer | callId: ${callId} | kind: ${kind} | Ready to consume`);
+      connectRecvTransport();
+    })
+
+    socket.on('close-producer', ({ callId, kind }) => {
+      console.log(`🔴 close-producer | callId: ${callId} | kind: ${kind}`);
+      if (kind === 'video') {
+        consumerVideo.close()
+        remoteVideo.srcObject = null
+      }
+      else if (kind === 'audio') consumerAudio.close()
+    })
   }
   
   if (IS_PRODUCER === true) {
@@ -144,7 +186,7 @@ const streamSuccess = (stream) => {
 const getLocalStream = () => {
   console.log('[getLocalStream]');
   navigator.mediaDevices.getUserMedia({
-    audio: true,
+    audio: produceAudio ? true : false,
     video: {
       qvga : { width: { ideal: 320 }, height: { ideal: 240 } },
       vga  : { width: { ideal: 640 }, height: { ideal: 480 } },
@@ -222,7 +264,7 @@ const createSendTransport = () => {
   console.log('[createSendTransport');
   // see server's socket.on('createWebRtcTransport', sender?, ...)
   // this is a call from Producer, so sender = true
-  socket.emit('createWebRtcTransport', { sender: true, callId }, (value) => {
+  socket.emit('createWebRtcTransport', { sender: true }, (value) => {
 
     console.log(`[createWebRtcTransport] value: ${JSON.stringify(value)}`);
 
@@ -293,34 +335,36 @@ const connectSendTransport = async () => {
   // this action will trigger the 'connect' and 'produce' events above
   
   // Produce video
-  producerVideo = await producerTransport.produce(videoParams)
+  let producerVideoHandler = await producerTransport.produce(videoParams)
   console.log('videoParams', videoParams);
   console.log('producerVideo', producerVideo);
 
-  producerVideo.on('trackended', () => {
+  producerVideoHandler.on('trackended', () => {
     console.log('track ended')
     // close video track
   })  
 
-  producerVideo.on('transportclose', () => {
+  producerVideoHandler.on('transportclose', () => {
     console.log('transport ended')
     // close video track
   })    
   
   // Produce audio
-  producerAudio = await producerTransport.produce(audioParams)
-  console.log('audioParams', audioParams);
-  console.log('producerAudio', producerAudio);
-
-  producerAudio.on('trackended', () => {
-    console.log('track ended')
-    // close audio track
-  })
-
-  producerAudio.on('transportclose', () => {
-    console.log('transport ended')
-    // close audio track
-  })
+  if (produceAudio) {
+    let producerAudioHandler = await producerTransport.produce(audioParams)
+    console.log('audioParams', audioParams);
+    console.log('producerAudio', producerAudio);
+  
+    producerAudioHandler.on('trackended', () => {
+      console.log('track ended')
+      // close audio track
+    })
+  
+    producerAudioHandler.on('transportclose', () => {
+      console.log('transport ended')
+      // close audio track
+    })
+  }
 
   const answer = {
     origin_asset_id: ASSET_ID,
@@ -342,6 +386,8 @@ const connectSendTransport = async () => {
   // Enable Close call button
   const closeCallBtn = document.getElementById('btnCloseCall');
   closeCallBtn.removeAttribute('disabled');
+
+  createRecvTransport();
 }
 
 const createRecvTransport = async () => {
@@ -381,7 +427,8 @@ const createRecvTransport = async () => {
         errback(error)
       }
     })
-    connectRecvTransport()
+    // We call it in new-rpoducer, we don't need it here anymore
+    // connectRecvTransport()
   })
 }
 
@@ -404,34 +451,91 @@ const connectRecvTransport = async () => {
   await socket.emit('consume', {
     rtpCapabilities: device.rtpCapabilities,
     callId
-  }, async ({ params }) => {
-    if (params.error) {
-      console.log('Cannot Consume')
-      return
-    }
-
-    // Then consume with the local consumer transport
-    // which creates a consumer
-    consumer = await consumerTransport.consume({
-      id: params.id,
-      producerId: params.producerId,
-      kind: params.kind,
-      rtpParameters: params.rtpParameters
-    })
-
-    // destructure and retrieve the video track from the producer
-    const { track } = consumer
+  }, async ({videoParams, audioParams}) => {
+    console.log(`[consume] 🟩 videoParams`, videoParams)
+    console.log(`[consume] 🟩 audioParams`, audioParams)
+    console.log('[consume] 🟩 consumerTransport', consumerTransport)
 
     let stream = new MediaStream()
-    stream.addTrack(track)
-    // stream.removeTrack(track)
-    remoteVideo.srcObject = stream
-    socket.emit('consumer-resume')
-    console.log('consumer', consumer);
 
+    // Maybe the unit does not produce video or audio, so we must only consume what is produced
+    if (videoParams) {
+      console.log('❗ Have VIDEO stream to consume');
+      stream.addTrack(await getVideoTrask(videoParams))
+    } else {
+      console.log('❗ Don\'t have VIDEO stream to consume');
+    }
+    
+    if (audioParams) {
+      console.log('❗ Have AUDIO stream to consume');
+      let audioTrack = await getAudioTrask(audioParams)
+      stream.addTrack(audioTrack)
+    } else {
+      console.log('❗ Don\'t have AUDIO stream to consume');
+    }
+
+    socket.emit('consumer-resume')
+
+    remoteVideo.srcObject = stream
+    remoteVideo.setAttribute('autoplay', true)
+
+    remoteVideo.play()
+    .then(() => {
+      console.log('remoteVideo PLAY')
+    })
+    .catch((error) => {
+      console.error(`remoteVideo PLAY ERROR | ${error.message}`)
+    })
   })
 }
 
+const getVideoTrask = async (videoParams) => {
+  consumerVideo = await consumerTransport.consume({
+    id: videoParams.id,
+    producerId: videoParams.producerId,
+    kind: videoParams.kind,
+    rtpParameters: videoParams.rtpParameters
+  }) 
+
+  return consumerVideo.track
+}
+
+const getAudioTrask = async (audioParams) => {
+  consumerAudio = await consumerTransport.consume({
+    id: audioParams.id,
+    producerId: audioParams.producerId,
+    kind: audioParams.kind,
+    rtpParameters: audioParams.rtpParameters
+  })
+
+  consumerAudio.on('transportclose', () => {
+    console.log('transport closed so consumer closed')
+  })
+
+  const audioTrack = consumerAudio.track
+
+  audioTrack.applyConstraints({
+    audio: {
+      advanced: [
+        {
+          echoCancellation: {exact: true}
+        },
+        {
+          autoGainControl: {exact: true}
+        },
+        {
+          noiseSuppression: {exact: true}
+        }, 
+        {
+          highpassFilter: {exact: true}
+        }
+      ]
+    }
+  })
+
+  return audioTrack
+}
+
 const closeCall = () => {
   console.log('closeCall');
   
@@ -453,7 +557,30 @@ const closeCall = () => {
   resetCallSettings()
 }
 
+// const consume = async (kind) => {
+//   console.log(`[consume] kind: ${kind}`)
+//   console.log('createRecvTransport Consumer')
+//   await socket.emit('createWebRtcTransport', { sender: false, callId, dispatcher: true }, ({ params }) => {
+//     if (params.error) {
+//       console.log('createRecvTransport | createWebRtcTransport | Error', params.error)
+//       return
+//     }
+//     consumerTransport = device.createRecvTransport(params)
+//     consumerTransport.on('connect', async ({ dtlsParameters }, callback, errback) => {
+//       try {
+//         await socket.emit('transport-recv-connect', {
+//           dtlsParameters,
+//         })
+//         callback()
+//       } catch (error) {
+//         errback(error)
+//       }
+//     })
+    
+//     connectRecvTransport()
+//   })
+// }
 
 btnLocalVideo.addEventListener('click', getLocalStream)
-btnRecvSendTransport.addEventListener('click', goConnect)
+// btnRecvSendTransport.addEventListener('click', consume)
 btnCloseCall.addEventListener('click', closeCall)