How autoplay of video is working ?

[adity1729]

I am beginner to the open source. Can someone guide me on how the video is autoplayed when it is there in the view ?
I have gone thorough the code. The are using two variables one autopalyDiabled to check the permission and second is isWithinMessage. The MessageContext is passing true to all of its children and i am not able to understand how this value is getting false when the video is in the view ?

const isWithinMessage = useIsWithinMessage()
<BlueskyVideoView
url={embed.playlist}
autoplay={!autoplayDisabled && !isWithinMessage}

---

import React from 'react'

const MessageContext = React.createContext(false)

export function MessageContextProvider({
children,
}: {
children: React.ReactNode
}) {
return (
<MessageContext.Provider value={true}>{children}</MessageContext.Provider>
)
}

export function useIsWithinMessage() {
return React.useContext(MessageContext)
}

---

import React from 'react'
import {View} from 'react-native'
import {AppBskyEmbedRecord} from '@atproto/api'

import {PostEmbeds, PostEmbedViewContext} from '#/view/com/util/post-embeds'
import {atoms as a, native, useTheme} from '#/alf'
import {MessageContextProvider} from './MessageContext'

let MessageItemEmbed = ({
embed,
}: {
embed: AppBskyEmbedRecord.View
}): React.ReactNode => {
const t = useTheme()

return (

<View style={[a.my_xs, t.atoms.bg, native({flexBasis: 0})]}>



)
}
MessageItemEmbed = React.memo(MessageItemEmbed)
export {MessageItemEmbed}