update

src/views/live/student/group.js

@@ -1,3 +1,4 @@
+import store from '@/store';
 import { Message } from 'element-ui';
 import { rtc, publishStream, closeVideo } from '@/views/live/common';
 export {
@@ -53,20 +54,26 @@ export function initListener(vue) {
       success: str => {
         console.log('举手成功', str);
         console.log('创建本地流推流');
+        let device = store.state.app.liveDevice;
+        let video =
+          device.video.length > 0
+            ? { device: 'camera', resolution: 'vga', deviceId: device.video }
+            : false;
+        let audio = device.audio.length > 0 ? { deviceId: device.audio } : false;
         const createData = {
-          video: true,
-          audio: true
+          video,
+          audio
         };
         rtc.createLocalStream({
           streamName: 'picture',
           createData,
-          success: function (stream) {
+          success(stream) {
             console.log('创建本地流成功', stream);
             // 创建本地流成功，将流展示到id为 student 的dom元素盒子中
             stream.show('group-local');
             publishStream('picture'); // 如果需要立即推流，执行 publish 方法
           },
-          fail: function (data) {
+          fail(data) {
             console.log('创建本地流失败，应用层处理', data);
             // 创建本地流失败，应用层处理
             Message({

src/views/live/teacher/group.js

@@ -1,3 +1,4 @@
+import store from '@/store';
 import { Message } from 'element-ui';
 import { rtc, updateMcResult, createScript } from '@/views/live/common';
 export {
@@ -32,20 +33,26 @@ function publishStream(streamName) {
  * 创建本地流
  */
 function createLocalStream() {
+  let device = store.state.app.liveDevice;
+  let video =
+    device.video.length > 0
+      ? { device: 'camera', resolution: 'vga', deviceId: device.video }
+      : false;
+  let audio = device.audio.length > 0 ? { deviceId: device.audio } : false;
   const createData = {
-    video: true,
-    audio: true
+    video,
+    audio
   };
   rtc.createLocalStream({
     streamName: 'main',
     createData,
-    success: function (stream) {
+    success(stream) {
       console.log('创建本地流成功', stream);
       // 创建本地流成功，将流展示到id为 live 的 dom 元素盒子中
       stream.show('live');
       publishStream('main'); // 如果需要立即推流，执行 publish 方法
     },
-    fail: function (data) {
+    fail(data) {
       // 创建本地流失败，应用层处理
       Message({
         type: 'error',