Experiment to rebuild Diffuse using web applets.
feat: artwork extraction via metadata processor
+31
-9
+24
-9
src/pages/processor/metadata-fetcher/_applet.astro
+24
-9
src/pages/processor/metadata-fetcher/_applet.astro
···
1
1
<script>
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import { parseFromTokenizer, parseWebStream } from "music-metadata";
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+
import { type IPicture, parseFromTokenizer, parseWebStream } from "music-metadata";
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import { contentType } from "@std/media-types";
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import * as URI from "uri-js";
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import * as HTTP_TOKENIZER from "@tokenizer/http";
···
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////////////////////////////////////////////
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const context = register();
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type Extraction = { stats: TrackStats; tags: TrackTags };
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type Extraction = { artwork?: IPicture[]; stats: TrackStats; tags: TrackTags };
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type Urls = { get: string; head: string };
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////////////////////////////////////////////
···
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////////////////////////////////////////////
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context.setActionHandler("extract", extract);
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async function extract(args: { mimeType?: string; stream?: ReadableStream; urls?: Urls }) {
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async function extract(args: {
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includeArtwork?: boolean;
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mimeType?: string;
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stream?: ReadableStream;
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urls?: Urls;
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}) {
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// Construct records
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// TODO: Use other metadata lib as fallback: https://github.com/buzz/mediainfo.js
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const { stats, tags } = await musicMetadataTags(args, false).catch(() => ({
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const { stats, tags } = await musicMetadataTags(args).catch(() => ({
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stats: undefined,
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tags: undefined,
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}));
···
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return { stats, tags };
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}
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+
////////////////////////////////////////////
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// 🛠️
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async function musicMetadataTags(
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{ mimeType, stream, urls }: { mimeType?: string; stream?: ReadableStream; urls?: Urls },
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covers: boolean = false,
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): Promise<Extraction> {
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////////////////////////////////////////////
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async function musicMetadataTags({
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includeArtwork,
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mimeType,
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stream,
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urls,
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}: {
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includeArtwork?: boolean;
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mimeType?: string;
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stream?: ReadableStream;
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urls?: Urls;
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}): Promise<Extraction> {
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const uri = urls ? URI.parse(urls.get) : undefined;
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const pathParts = uri?.path?.split("/");
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const filename = pathParts?.[pathParts.length - 1];
···
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const tokenizer = await RANGE_TOKENIZER.tokenizer(httpClient);
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meta = await parseFromTokenizer(tokenizer, { skipCovers: covers });
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meta = await parseFromTokenizer(tokenizer, { skipCovers: !includeArtwork });
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} else if (stream) {
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meta = await parseWebStream(stream, { mimeType });
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} else {
···
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};
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return {
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artwork: includeArtwork ? meta.common.picture : undefined,
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stats,
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tags,
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};
+7
src/pages/processor/metadata-fetcher/_manifest.json
+7
src/pages/processor/metadata-fetcher/_manifest.json