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bandolier-website/commands/thumbnail.js

39 lines
969 B

import ffmpeg from "fluent-ffmpeg";
import path from "path";
export const description = "Generates a thumbnail of a specific size from a video."
export const options = [
["--input <file>", "input file video"],
["--start <time>", "starting position", 600],
["--output <file>", "output filename, ext will determine type"],
["--debug <level>", "debug level for ffmpeg, 1=command, 2=all"]
];
export const main = (opts) => {
const { dir, name } = path.parse(opts.input);
const encode = ffmpeg(opts.input)
.inputOptions([
"-ss", opts.start
])
.outputOptions([
"-frames:v", 1,
"-vsync", "vfr"
])
.on("end", () => process.exit(0));
if(opts.output) {
encode.output(opts.output);
} else {
encode.output(`${dir}/${name}.jpg`);
}
if(opts.debug === 1) {
encode.on("start", line => console.log(line))
} else if(opts.debug === 2) {
encode.on("stderr", line => console.log(line))
}
encode.run();
}