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Get blurhash and dimensions of video

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Alex Gleason 2025-02-28 10:24:45 -06:00
parent 7ecca587a9
commit 6774975051
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GPG key ID: 7211D1F99744FBB7
1 changed files with 27 additions and 2 deletions
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29
packages/ditto/utils/upload.ts
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@ -84,7 +84,6 @@ export async function uploadFile(
await Deno.writeFile(tmp, file.stream());
const bytes = await extractVideoFrame(tmp);
const [[, url]] = await uploader.upload(new File([bytes], 'thumb.jpg', { type: 'image/jpeg' }), { signal });
await Deno.remove(tmp);
if (!image) {
tags.push(['image', url]);
@ -93,11 +92,37 @@ export async function uploadFile(
if (!thumb) {
tags.push(['thumb', url]);
}
if (!blurhash || !dim) {
try {
const img = sharp(bytes);
const { width, height } = await img.metadata();
if (!dim && (width && height)) {
tags.push(['dim', `${width}x${height}`]);
}
if (!blurhash && (width && height)) {
const pixels = await img
.raw()
.ensureAlpha()
.toBuffer({ resolveWithObject: false })
.then((buffer) => new Uint8ClampedArray(buffer));
const blurhash = encode(pixels, width, height, 4, 4);
tags.push(['blurhash', blurhash]);
}
} catch (e) {
logi({ level: 'error', ns: 'ditto.upload.analyze', error: errorJson(e) });
}
}
await Deno.remove(tmp);
}
// If the uploader didn't already, try to get a blurhash and media dimensions.
// This requires `MEDIA_ANALYZE=true` to be configured because it comes with security tradeoffs.
if (conf.mediaAnalyze && (!blurhash || !dim)) {
if (baseType === 'image' && conf.mediaAnalyze && (!blurhash || !dim)) {
try {
const bytes = await new Response(file.stream()).bytes();
const img = sharp(bytes);