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feat: support srt subtitle format (#743)
* feat: support srt subtitle format * chore: add example and usage monitoring * chore: esm examples * chore: esm example * chore: examples * feat: support srt subtitle format
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| import srtTextTracks from './srt-text-tracks'; | ||
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| export default async function srtTextTracksPlugin(config) { | ||
| const player = this; | ||
| try { | ||
| player.ready(() => srtTextTracks(config, player)); | ||
| } catch (error) { | ||
| console.error('Failed to load plugin:', error); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| import srtParser2 from 'srt-parser-2'; | ||
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| function srtTextTracks(config, player) { | ||
| // Load the SRT file and convert it to WebVTT | ||
| const initSRT = async () => { | ||
| let srtResponse; | ||
| if (config.src) { | ||
| try { | ||
| srtResponse = await fetch(config.src); | ||
| if (!srtResponse.ok) { | ||
| throw new Error(`Failed fetching from ${config.src} with status code ${srtResponse.status}`); | ||
| } | ||
| } catch (error) { | ||
| console.error(error); | ||
| } | ||
| } | ||
| if (!srtResponse.ok) return; | ||
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| const srtData = await srtResponse.text(); | ||
| const webvttCues = srt2webvtt(srtData); // Get the array of cues | ||
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| const srtTrack = player.addRemoteTextTrack({ | ||
| kind: config.kind || 'subtitles', | ||
| label: config.label || 'Subtitles', | ||
| srclang: config.srclang, | ||
| default: config.default, | ||
| mode: config.default ? 'showing' : 'disabled' | ||
| }); | ||
|
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| // required for Safari to display the captions | ||
| // https://github.com/videojs/video.js/issues/8519 | ||
| await new Promise(resolve => setTimeout(resolve, 100)); | ||
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| // Add the WebVTT data to the track | ||
| webvttCues.forEach(cue => { | ||
| if (cue) { | ||
| srtTrack.track.addCue(new VTTCue(cue.startTime, cue.endTime, cue.text)); | ||
| } | ||
| }); | ||
| }; | ||
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| player.one('loadedmetadata', () => { | ||
| initSRT(); | ||
| }); | ||
| } | ||
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| // SRT parser | ||
| const srt2webvtt = data => { | ||
| const SRTParser = new srtParser2(); | ||
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| const cues = SRTParser.fromSrt(data); | ||
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| return cues.map(cue => ({ | ||
| startTime: cue.startSeconds, | ||
| endTime: cue.endSeconds, | ||
| text: cue.text | ||
| })); | ||
| }; | ||
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| export default srtTextTracks; |
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