web/lib: remove ffmpeg
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1 changed files with 0 additions and 93 deletions
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@ -1,93 +0,0 @@
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import { FFmpeg } from "@imput/ffmpeg.wasm";
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import ffmpegCore from "@imput/ffmpeg-core?url";
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import ffmpegCoreWASM from "@imput/ffmpeg-core/wasm?url";
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import mime from "mime";
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type InputFileKind = "video" | "audio";
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type FileInfo = {
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type?: string | null,
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kind: InputFileKind,
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extension: string,
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}
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type RenderParams = {
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file: File,
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output?: FileInfo,
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args: string[],
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}
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export default class FFmpegWrapper {
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initialized: boolean;
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ffmpeg: FFmpeg;
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concurrency: number;
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constructor() {
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this.ffmpeg = new FFmpeg();
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this.initialized = false;
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this.concurrency = Math.min(4, navigator.hardwareConcurrency);
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}
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async init() {
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if (this.initialized) {
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this.ffmpeg.terminate();
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} else {
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this.initialized = true;
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this.ffmpeg.on("log", ({ message }) => {
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console.log(message);
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});
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}
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await this.ffmpeg.load({
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coreURL: ffmpegCore,
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wasmURL: ffmpegCoreWASM,
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workerURL: "/ffmpeg-core.worker.js",
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});
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}
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terminate() {
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this.initialized = false;
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return this.ffmpeg.terminate();
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}
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async renderFile({ file, output, args }: RenderParams) {
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const inputKind = file.type.split("/")[0];
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const inputExtension = mime.getExtension(file.type);
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if (inputKind !== "video" && inputKind !== "audio") return;
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if (!inputExtension) return;
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const input: FileInfo = {
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kind: inputKind,
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extension: inputExtension,
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}
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if (!output) output = input;
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output.type = mime.getType(output.extension);
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if (!output.type) return;
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const buffer = new Uint8Array(await file.arrayBuffer());
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await this.ffmpeg.writeFile(
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'input',
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buffer
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);
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await this.ffmpeg.exec([
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'-threads', this.concurrency.toString(),
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'-i', 'input',
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...args,
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`output.${output.extension}`
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]);
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const renderBlob = new Blob(
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[await this.ffmpeg.readFile(`output.${output.extension}`)],
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{ type: output.type }
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);
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if (renderBlob.size === 0) return;
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return renderBlob;
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}
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}
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