munge-sdp: remove audio/video device selectors

which are unrelated to the munge sample

Author: fippo

src/content/peerconnection/munge-sdp/index.html

@@ -36,18 +36,6 @@
     <h1><a href="//webrtc.github.io/samples/" title="WebRTC samples homepage">WebRTC samples</a> <span>Munge SDP</span>
     </h1>
 
-    <div id="selectSource" class="hidden">
-        <div id="select">Select an audio &amp; video source, then click <strong>Get media</strong>:</div>
-        <div class="source">
-            <label for="audioSrc">Audio source:</label>
-            <select id="audioSrc"></select>
-        </div>
-        <div class="source">
-            <label for="videoSrc">Video source:</label>
-            <select id="videoSrc"></select>
-        </div>
-    </div>
-
     <div id="buttons">
         <button id="getMedia">Get media</button>
         <button id="createPeerConnection" disabled>Create peer connection</button>

src/content/peerconnection/munge-sdp/js/main.js

@@ -8,13 +8,6 @@
 
 'use strict';
 
-try {
-  navigator.mediaDevices.enumerateDevices()
-      .then(gotSources);
-} catch (e) {
-  console.log(e);
-}
-
 const getMediaButton = document.querySelector('button#getMedia');
 const createPeerConnectionButton = document.querySelector('button#createPeerConnection');
 const createOfferButton = document.querySelector('button#createOffer');
@@ -38,8 +31,6 @@ const answerSdpTextarea = document.querySelector('div#remote textarea');
 const audioSelect = document.querySelector('select#audioSrc');
 const videoSelect = document.querySelector('select#videoSrc');
 
-audioSelect.onchange = videoSelect.onchange = getMedia;
-
 const localVideo = document.querySelector('div#local video');
 const remoteVideo = document.querySelector('div#remote video');
 
@@ -58,32 +49,6 @@ const offerOptions = {
   offerToReceiveVideo: 1
 };
 
-function gotSources(sourceInfos) {
-  selectSourceDiv.classList.remove('hidden');
-  let audioCount = 0;
-  let videoCount = 0;
-  for (let i = 0; i < sourceInfos.length; i++) {
-    const option = document.createElement('option');
-    option.value = sourceInfos[i].deviceId;
-    option.text = sourceInfos[i].label;
-    if (sourceInfos[i].kind === 'audioinput') {
-      audioCount++;
-      if (option.text === '') {
-        option.text = `Audio ${audioCount}`;
-      }
-      audioSelect.appendChild(option);
-    } else if (sourceInfos[i].kind === 'videoinput') {
-      videoCount++;
-      if (option.text === '') {
-        option.text = `Video ${videoCount}`;
-      }
-      videoSelect.appendChild(option);
-    } else {
-      console.log('unknown', JSON.stringify(sourceInfos[i]));
-    }
-  }
-}
-
 async function getMedia() {
   getMediaButton.disabled = true;