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Allow progress callback to interpret information

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fix issues described in https://github.com/ffmpegwasm/ffmpeg.wasm/issues/152
This commit is contained in:
Bob Budd 2021-01-27 11:11:30 -05:00
parent 47c1d1c5d8
commit fa80649fb4
1 changed files with 4 additions and 1 deletions
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5
src/utils/parseProgress.js
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@ -1,4 +1,5 @@
let duration = 0;
let ratio = 0;
const ts2sec = (ts) => {
const [h, m, s] = ts.split(':');
@ -10,13 +11,15 @@ module.exports = (message, progress) => {
if (message.startsWith(' Duration')) {
const ts = message.split(', ')[0].split(': ')[1];
const d = ts2sec(ts);
progress({ duration: d, ratio });
if (duration === 0 || duration > d) {
duration = d;
}
} else if (message.startsWith('frame') || message.startsWith('size')) {
const ts = message.split('time=')[1].split(' ')[0];
const t = ts2sec(ts);
progress({ ratio: t / duration });
ratio = t / duration;
progress({ ratio, time: t });
} else if (message.startsWith('video:')) {
progress({ ratio: 1 });
duration = 0;