Hi G,

I hope you are well today and thank you for your questions.

When the video starts the whole image fade to black and back to the video

Please see the solutions provided in the following topics.

https://support.shufflehound.com/forums/topic/unwanted-black-frames-when-slider-starting/

https://theme.co/apex/forums/topic/black-shows-long-time-before-video-start-in-revslider/#post-811411

https://theme.co/apex/forums/topic/slider-revolution-background-vimeo-video-shows-black-screen-flash/

https://theme.co/apex/forums/topic/revolution-slider-black-screen/

How can I fit the video to the top left corner and not adjust 100%/100% to the area?

Not sure what you want to achieve here.

Could you please tell me a bit more in detail or share example of it?

Best regards,
Shufflehound team