25 lines
706 B
JavaScript
25 lines
706 B
JavaScript
let duration = 0;
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const ts2sec = (ts) => {
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const [h, m, s] = ts.split(':');
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return (parseFloat(h) * 60 * 60) + (parseFloat(m) * 60) + parseFloat(s);
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};
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module.exports = ({ message }, progress) => {
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if (typeof message === 'string') {
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if (message.startsWith(' Duration')) {
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const ts = message.split(', ')[0].split(': ')[1];
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const d = ts2sec(ts);
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if (duration === 0 || duration > d) {
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duration = d;
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}
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} else if (message.startsWith('frame')) {
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const ts = message.split('time=')[1].split(' ')[0];
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const t = ts2sec(ts);
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progress({ ratio: t / duration });
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} else if (message.startsWith('video:')) {
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progress({ ratio: 1 });
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}
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}
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};
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