This is not possible. The embed player (in any form) does not provide this ability.
You cannot interrupt the player controls like this.
And doing so make constitute a violation of the developer agreement.
See also
https://www.twitch.tv/p/legal/developer-agreement/
1. Embeddable Experiences under SCHEDULE 1
- Do not modify, replace, interfere with, block, cover, or obscure: (a) the functionality of embeddable experiences, including advertisements within the player; or (b) the Twitch Marks.