初始化

client/public/bidirectional/js/sendvideo.js

@@ -0,0 +1,53 @@
+import * as Logger from "../../module/logger.js";
+
+export class SendVideo {
+  constructor(localVideoElement, remoteVideoElement) {
+    this.localVideo = localVideoElement;
+    this.remoteVideo = remoteVideoElement;
+  }
+
+  /**
+   * @param {MediaTrackConstraints} videoSource
+   * @param {MediaTrackConstraints} audioSource
+   * @param {number} videoWidth
+   * @param {number} videoHeight
+   */
+  async startLocalVideo(videoSource, audioSource, videoWidth, videoHeight) {
+    try {
+      const constraints = {
+        video: { deviceId: videoSource ? { exact: videoSource } : undefined },
+        audio: { deviceId: audioSource ? { exact: audioSource } : undefined }
+      };
+
+      if (videoWidth != null || videoWidth != 0) {
+        constraints.video.width = videoWidth;
+      }
+      if (videoHeight != null || videoHeight != 0) {
+        constraints.video.height = videoHeight;
+      }
+
+      const localStream = await navigator.mediaDevices.getUserMedia(constraints);
+      this.localVideo.srcObject = localStream;
+      await this.localVideo.play();
+    } catch (err) {
+      Logger.error(`mediaDevice.getUserMedia() error:${err}`);
+    }
+  }
+
+  /**
+   * @returns {MediaStreamTrack[]}
+   */
+  getLocalTracks() {
+    return this.localVideo.srcObject.getTracks();
+  }
+
+  /**
+   * @param {MediaStreamTrack} track
+   */
+  addRemoteTrack(track) {
+    if (this.remoteVideo.srcObject == null) {
+      this.remoteVideo.srcObject = new MediaStream();
+    }
+    this.remoteVideo.srcObject.addTrack(track);
+  }
+}