In the latest versions of Chrome the introduction of the "Autoplay Policy" does not allow the execution of the videos automatically.
To solve this problem, type in the address bar of chrome chrome://flags/. Look for the "Autoplay policy" flag and set it to "No user gesture is required".
Since version 76 or later this flag has been removed, but it is possible to obtain the same result by adding the following string to the contents of the Destination field from the Chrome connection properties:
as shown in the following image