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Update VideoPlayerSegment.tsx #1787

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Update VideoPlayerSegment.tsx #1787

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57 changes: 41 additions & 16 deletions src/components/VideoPlayerSegment.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -40,9 +40,35 @@ export const VideoPlayerSegment: FunctionComponent<VideoProps> = ({
appxCourseId
}) => {
const playerRef = useRef<Player | null>(null);

const thumbnailPreviewRef = useRef<HTMLDivElement>(null);

const generateThumbnail = (time: number) => {
if (!playerRef.current) return;
const video = playerRef.current.tech().el() as HTMLVideoElement;

// Create an offscreen video element to extract frames
const offscreenVideo = document.createElement("video");
offscreenVideo.src = video.src;
offscreenVideo.currentTime = time;
offscreenVideo.muted = true;

offscreenVideo.addEventListener("seeked", () => {
const canvas = document.createElement("canvas");
const ctx = canvas.getContext("2d");

if (!ctx) return;
canvas.width = video.videoWidth;
canvas.height = video.videoHeight;

ctx.drawImage(offscreenVideo, 0, 0, canvas.width, canvas.height);

if (thumbnailPreviewRef.current) {
thumbnailPreviewRef.current.style.backgroundImage = `url(${canvas.toDataURL()})`;
thumbnailPreviewRef.current.style.display = "block";
}
}, { once: true });
};

const overrideUpdateTime = (player: Player) => {
const seekBar = player
.getChild('ControlBar')
Expand All @@ -62,29 +88,28 @@ export const VideoPlayerSegment: FunctionComponent<VideoProps> = ({
const segmentName = getCurrentSegmentName(time, segments);
this.write(`${time} - ${segmentName}`);

// Delay the execution to ensure the tooltip width is calculated after the content update
generateThumbnail(parseFloat(time));

setTimeout(() => {
const tooltipWidth = this.el().offsetWidth;
// Calculate the offset from the right side
const rightOffset = tooltipWidth / 2;
this.el().style.right = `-${rightOffset}px`;

// Adjust the left style to 'auto' to avoid conflict with the right property
this.el().style.right = `-${tooltipWidth / 2}px`;
this.el().style.left = 'auto';
this.el().style.width = '200px';
this.el().style.width = '220px';
this.el().style.fontSize = '14px';
}, 0);
};
} else {
console.error('TimeTooltip component not found.');
}
} else {
console.error('MouseTimeDisplay component not found.');
}

// Hide preview when mouse leaves seek bar
seekBar.on('mouseout', () => {
if (thumbnailPreviewRef.current) {
thumbnailPreviewRef.current.style.display = 'none';
}
});
}
} else {
console.error('SeekBar component not found.');
}
};

const handlePlayerReady = async (player: Player) => {
playerRef.current = player;

Expand All @@ -98,7 +123,7 @@ export const VideoPlayerSegment: FunctionComponent<VideoProps> = ({
<div
id="thumbnail-preview"
ref={thumbnailPreviewRef}
className="pointer-events-none absolute z-10 hidden h-full w-full bg-cover bg-no-repeat"
className="pointer-events-none absolute z-10 hidden h-24 w-40 bg-cover bg-no-repeat rounded shadow-lg"
/>
<VideoPlayer
setQuality={setQuality}
Expand Down