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thumbnailCreator deleted

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frost768 2023-05-01 00:15:18 +03:00
parent 2338b0d652
commit 6cfd1235bc

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@ -1,41 +0,0 @@
export default async function extractThumbnails(
videoUrl: string,
numThumbnails: number
): Promise<string[]> {
const video = document.createElement("video");
video.src = videoUrl;
video.crossOrigin = "anonymous";
// Wait for the video metadata to load
const metadata = await new Promise((resolve, reject) => {
video.addEventListener("loadedmetadata", resolve);
video.addEventListener("error", reject);
});
console.log(metadata);
const canvas = document.createElement("canvas");
canvas.width = video.videoWidth;
canvas.height = video.videoHeight;
const ctx = canvas.getContext("2d");
const thumbnails = [];
if (!ctx) return [""];
for (let i = 0; i < numThumbnails; i += 1) {
const time = ((i + 1) / (numThumbnails + 1)) * video.duration;
// Seek to the specified time
video.currentTime = time;
await new Promise((resolve) => {
video.addEventListener("seeked", resolve);
});
// Draw the video frame on the canvas
ctx.drawImage(video, 0, 0, canvas.width, canvas.height);
// Convert the canvas to a data URL and add it to the list of thumbnails
const thumbnailUrl = canvas.toDataURL("image/jpeg", 0.8);
thumbnails.push(thumbnailUrl);
}
return thumbnails;
}