I have uploaded video within the dam. i have to calculate video duration for that one ..unable to see duration fields inside props but able to see xmpDM:value and xmpDM:scale with the help of that props how we can calculate exact video duration in hours, minutes and seconds

 suppose i authored video component  .I have video title field as granite/ui/components/coral/foundation/form/text field . I have to add superscript functionality to that field.I don't want to use rte., rich text box. how i can achieve this anyone can help me on this.

suppose i am dropping video component on page. while authoring that component i am choosing video path from dam as pathfield but it is supporting all extensions file type .i have to restrict it should support only .mp4 or mov file type. how to do that thing in AEM. As i am new to AEM please help me ...

i am storing as page property those authored value then how i can achievein other component 

suppose i have authored cta component i want this authored value into other component that cards. How i can achive this? as I am New to AEM please Help me on this.