1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
import React, { Component } from 'react'
import { connect } from 'react-redux'
import actions from 'app/actions'
import { timestampToSeconds, floatInRange } from 'app/utils'
const REGEXP_ALL_COMMAS = new RegExp(',', 'g')
export default class VideoSubtitles extends Component {
state = {
subtitles: [],
current: null,
}
componentDidMount() {
this.loadSubtitles()
}
componentDidUpdate(prevProps) {
if (this.props.play_ts !== prevProps.play_ts) {
this.updateCurrentSubtitle()
}
}
loadSubtitles() {
if (!this.props.mediaItem || !this.props.mediaItem.settings.subtitles) return;
const groups = this.props.mediaItem.settings.subtitles.split("\n\n")
const subtitles = groups.map((group) => {
if (!group) return
const lines = group.trim().split("\n")
if (!lines.length || !parseInt(lines[0])) {
return null
}
let ts_parts = lines[1].replace(REGEXP_ALL_COMMAS, '.').split(" --> ").map(timestampToSeconds)
return {
id: parseInt(lines[0]),
start_ts: ts_parts[0],
end_ts: ts_parts[1],
lines: lines.slice(2),
}
}).filter(a => !!a)
this.setState({ subtitles, current: null })
}
updateCurrentSubtitle() {
const { play_ts } = this.props
const current = this.state.subtitles.filter(({ start_ts, end_ts }) => (
floatInRange(start_ts, play_ts, end_ts )
)).slice(-1)
if (!current.length) {
this.setState({ current: null })
} else {
this.setState({ current: current[0] })
}
}
render() {
const { current } = this.state
if (!current) return <div className="video-subtitles hidden" />
return (
<div className="video-subtitles">
{current.lines.map(line => <span key={line}>{line}</span>)}
</div>
)
}
}
|
