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import * as React from "react"; | |
import { Box, Video } from "#vcs-react/components"; | |
import { useGrid } from "#vcs-react/hooks"; | |
import * as layoutFuncs from "../layouts.js"; | |
import VideoSingle from "./VideoSingle.js"; | |
import decorateVideoSplitItem from "./overrides/decorateVideoSplitItem.js"; | |
import { PositionCorner } from "../constants.js"; | |
import { debug } from "#vcs-stdlib/components"; | |
import { RoomContext } from "#vcs-react/contexts"; | |
const textSize_gu = 1; | |
const headerH_gu = textSize_gu * 10; | |
function body(parentFrame, params, layoutCtx) { | |
let { x, y, w, h } = parentFrame; | |
const pxPerGu = layoutCtx.pixelsPerGridUnit; | |
const headerH_px = headerH_gu * pxPerGu; | |
y += headerH_px; | |
h -= headerH_px; | |
return { x, y, w, h }; | |
} | |
export default function AugmentedSplit(props) { | |
const { participantDescs = [] } = props; | |
const base = <VideoSplit {...props} />; | |
let pipOverlay; | |
if (participantDescs.length > 2) { | |
pipOverlay = <SimplePip participant={participantDescs[2]} />; | |
} | |
let otherOverlays; | |
if (participantDescs.length > 3) { | |
otherOverlays = <PipRow participantDescs={participantDescs.slice(3)} />; | |
} | |
const room = React.useContext(RoomContext); | |
return ( | |
<Box> | |
{base} | |
{pipOverlay} | |
{otherOverlays} | |
<debug.RoomPrintout layout={[body]} room={room} bgOpacity={0.5} headerTextColor="rgba(255, 255, 255, 0.68)" textSize_gu={1} /> | |
</Box> | |
); | |
} | |
// a simple picture-in-picture with hardcoded settings | |
// using the same layout function as VideoPip.js | |
// | |
function SimplePip({ participant }) { | |
const { videoId, displayName = "", paused } = participant; | |
const pxPerGu = useGrid().pixelsPerGridUnit; | |
const pipSize_gu = 10; | |
const layoutProps = { | |
positionCorner: PositionCorner.TOP_RIGHT, | |
aspectRatio: 1, | |
height_gu: pipSize_gu, | |
margin_gu: 2, | |
}; | |
const layout = [layoutFuncs.pip, layoutProps]; | |
const videoStyle = { | |
cornerRadius_px: (pipSize_gu / 2) * pxPerGu, // mask to circle | |
}; | |
const outlineStyle = { | |
...videoStyle, | |
strokeWidth_px: pxPerGu / 3, // the outline for the video | |
strokeColor: "white", | |
}; | |
return ( | |
<Box id="pipOutline" style={outlineStyle} layout={layout}> | |
<Video id="pipVideo" src={videoId} scaleMode="fill" style={videoStyle} /> | |
</Box> | |
); | |
} | |
// a row of picture-in-picture videos, using an inline layout function | |
// | |
function PipRow({ participantDescs }) { | |
const pxPerGu = useGrid().pixelsPerGridUnit; | |
const pipSize_gu = 6; | |
const margin_gu = 2; | |
const interval_gu = 1; | |
const videoStyle = { | |
cornerRadius_px: (pipSize_gu / 2) * pxPerGu, // mask to circle | |
}; | |
const outlineStyle = { | |
...videoStyle, | |
strokeWidth_px: 2, // the outline for the video | |
strokeColor: "rgba(255, 255, 210, 0.9)", | |
}; | |
function rowLayoutFn(parentFrame, params) { | |
const { idx } = params; | |
let { x, y, w, h } = parentFrame; | |
const margin = margin_gu * pxPerGu; | |
const interval = interval_gu * pxPerGu; | |
w = h = pipSize_gu * pxPerGu; | |
x += margin + (interval + w) * idx; | |
y += parentFrame.h - margin - h; | |
return { x, y, w, h }; | |
} | |
return participantDescs.map((pd, idx) => { | |
const { videoId } = pd; | |
return ( | |
<Box key={idx} style={outlineStyle} layout={[rowLayoutFn, { idx }]}> | |
<Video src={videoId} scaleMode="fill" style={videoStyle} /> | |
</Box> | |
); | |
}); | |
} | |
// this is the original VideoSplit function from the baseline composition | |
// | |
function VideoSplit(props) { | |
const { participantDescs = [], margin_gu = 0, splitDirection } = props; | |
// Make sure we have exactly one or two boxes | |
const totalItems = Math.max(1, Math.min(participantDescs.length, 2)); | |
let layoutFn; | |
switch (splitDirection) { | |
default: | |
layoutFn = layoutFuncs.splitAcrossLongerDimension; | |
break; | |
case "horizontal": | |
layoutFn = layoutFuncs.splitHorizontal; | |
break; | |
case "vertical": | |
layoutFn = layoutFuncs.splitVertical; | |
break; | |
} | |
function makeItem(itemIdx) { | |
const key = "videosplit_item" + itemIdx; | |
const participant = participantDescs[itemIdx]; | |
// override point for custom decorations on split videos. | |
// we use a VideoSingle component to actually render these, | |
// so get the decoration here and pass it as an override to VideoSingle. | |
const overrideDecoration = decorateVideoSplitItem( | |
itemIdx, | |
participant, | |
props | |
); | |
return ( | |
<Box | |
key={key} | |
id={key} | |
layout={[layoutFn, { index: itemIdx, margin_gu, pos: 1 / totalItems }]} | |
> | |
<VideoSingle | |
enableParticipantOverride={true} | |
overrideParticipant={participant} | |
overrideDecoration={overrideDecoration} | |
{...props} | |
/> | |
</Box> | |
); | |
} | |
if (totalItems === 1) { | |
return <Box id="videosplit">{[makeItem(0)]}</Box>; | |
} else { | |
return <Box id="videosplit">{[makeItem(0), makeItem(1)]}</Box>; | |
} | |
} |
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