add bufferToVideo

CHANGELOG.md

@@ -9,11 +9,16 @@ Repository: **<git+https://github.com/vladmandic/face-api.git>**
 
 ## Changelog
 
+### **HEAD -> master** 2021/05/27 mandic00@live.com
+
+
+### **origin/master** 2021/05/27 hello@bettysteger.com
+
+- force typescript 4.2 due to typedoc incompatibility with ts 4.3
+
 ### **1.2.5** 2021/05/27 mandic00@live.com
 
-
+- add buffertovideo and fetchvideo (#54)
-### **origin/master** 2021/05/27 admin@bettysteger.com
-
 
 ### **1.2.4** 2021/05/18 mandic00@live.com
 

src/dom/bufferToVideo.ts

@@ -0,0 +1,16 @@
+import { env } from '../env/index';
+
+export function bufferToVideo(buf: Blob): Promise<HTMLVideoElement> {
+  return new Promise((resolve, reject) => {
+    if (!(buf instanceof Blob)) reject(new Error('bufferToVideo - expected buf to be of type: Blob'));
+
+    const video = env.getEnv().createVideoElement();
+    video.oncanplay = () => resolve(video);
+    video.onerror = reject;
+    // video.type = buf.type;
+    video.playsInline = true;
+    video.autoplay = true;
+    video.muted = true;
+    video.src = URL.createObjectURL(buf);
+  });
+}