updated Tile & Video to nullify src object

dailyjs/shared/components/Audio/Audio.js

@@ -1,5 +1,11 @@
 /**
  * Audio
+ * ---
+ * When working with audio elements it's very important to avoid mutating
+ * the DOM elements as much as possible to avoid audio pops and crackles.
+ * This component addresses to known browser quirks; Safari autoplay
+ * and Chrome's maximum media elements. On Chrome we add all audio tracks
+ * into into a single audio node using the CombinedAudioTrack component
  */
 import React, { useEffect, useMemo } from 'react';
 import { useTracks } from '@dailyjs/shared/contexts/TracksProvider';

dailyjs/shared/components/Tile/Tile.js

@@ -1,4 +1,4 @@
-import React, { useRef } from 'react';
+import React, { useEffect, useRef } from 'react';
 import useVideoTrack from '@dailyjs/shared/hooks/useVideoTrack';
 import { ReactComponent as IconMicMute } from '@dailyjs/shared/icons/mic-off-sm.svg';
 import classNames from 'classnames';
@@ -14,11 +14,36 @@ export const Tile = React.memo(
     showName = true,
     showAvatar = true,
     aspectRatio = DEFAULT_ASPECT_RATIO,
+    onVideoResize,
     ...props
   }) => {
     const videoTrack = useVideoTrack(participant);
     const videoEl = useRef(null);
 
+    /**
+     * Add optional event listener for resize event so the parent component
+     * can know the video's native aspect ratio.
+     */
+    useEffect(() => {
+      const video = videoEl.current;
+      if (!onVideoResize || !video) return false;
+
+      const handleResize = () => {
+        if (!video) return;
+        const width = video?.videoWidth;
+        const height = video?.videoHeight;
+        if (width && height) {
+          // Return the video's aspect ratio to the parent's handler
+          onVideoResize(width / height);
+        }
+      };
+
+      handleResize();
+      video?.addEventListener('resize', handleResize);
+
+      return () => video?.removeEventListener('resize', handleResize);
+    }, [onVideoResize, videoEl, participant]);
+
     const cx = classNames('tile', {
       mirrored,
       avatar: showAvatar && !videoTrack,
@@ -35,7 +60,11 @@ export const Tile = React.memo(
             </div>
           )}
           {videoTrack ? (
-            <Video ref={videoEl} videoTrack={videoTrack} />
+            <Video
+              ref={videoEl}
+              participantId={participant?.id}
+              videoTrack={videoTrack}
+            />
           ) : (
             showAvatar && (
               <div className="avatar">
@@ -122,6 +151,7 @@ Tile.propTypes = {
   showName: PropTypes.bool,
   showAvatar: PropTypes.bool,
   aspectRatio: PropTypes.number,
+  onVideoResize: PropTypes.func,
 };
 
 export default Tile;

dailyjs/shared/components/Tile/Video/Video.js

@@ -1,31 +1,46 @@
-import React, { forwardRef, memo, useEffect } from 'react';
+import React, { useMemo, forwardRef, memo, useEffect } from 'react';
+import Bowser from 'bowser';
 import PropTypes from 'prop-types';
 import { shallowEqualObjects } from 'shallow-equal';
 
 export const Video = memo(
-  forwardRef(({ videoTrack, ...rest }, videoEl) => {
+  forwardRef(({ participantId, videoTrack, ...rest }, videoEl) => {
+    // See: https://bugs.chromium.org/p/chromium/issues/detail?id=1232649
+    const isChrome92 = useMemo(() => {
+      const { browser, platform, os } = Bowser.parse(navigator.userAgent);
+      return (
+        browser.name === 'Chrome' &&
+        parseInt(browser.version, 10) >= 92 &&
+        (platform.type === 'desktop' || os.name === 'Android')
+      );
+    }, []);
+
+    /**
+     * Effect: Umount
+     * Note: nullify src to ensure media object is not counted
+     */
+    useEffect(() => {
+      const video = videoEl.current;
+      if (!video) return false;
+      // clean up when video renders for different participant
+      video.srcObject = null;
+      if (isChrome92) video.load();
+      return () => {
+        // clean up when unmounted
+        video.srcObject = null;
+        if (isChrome92) video.load();
+      };
+    }, [videoEl, isChrome92, participantId]);
+
     /**
      * Effect: mount source
      */
     useEffect(() => {
-      if (!videoEl?.current) return;
-      // eslint-disable-next-line no-param-reassign
-      videoEl.current.srcObject = new MediaStream([videoTrack]);
-    }, [videoEl, videoTrack]);
-
-    /**
-     * Effect: unmount
-     */
-    useEffect(
-      () => () => {
-        if (videoEl?.current?.srcObject) {
-          videoEl.current.srcObject.getVideoTracks().forEach((t) => t.stop());
-          // eslint-disable-next-line no-param-reassign
-          videoEl.current.srcObject = null;
-        }
-      },
-      [videoEl]
-    );
+      const video = videoEl.current;
+      if (!video || !videoTrack) return;
+      video.srcObject = new MediaStream([videoTrack]);
+      if (isChrome92) video.load();
+    }, [videoEl, isChrome92, videoTrack]);
 
     return <video autoPlay muted playsInline ref={videoEl} {...rest} />;
   }),
@@ -35,6 +50,7 @@ export const Video = memo(
 Video.propTypes = {
   videoTrack: PropTypes.any,
   mirrored: PropTypes.bool,
+  participantId: PropTypes.string,
 };
 
 export default Video;