102 lines
2.2 KiB
JavaScript
102 lines
2.2 KiB
JavaScript
export function buildPlayer (video, player, videojs) {
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window.videojs = videojs
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require('videojs-overlay')
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const fieldName = 'player-annotations'
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if (!video.pluginData || !video.pluginData[fieldName]) return
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const annotationsText = video.pluginData[fieldName]
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const annotations = parseAnnotations(annotationsText)
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if (!annotations) return
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console.log('Will inject annotations in player.', annotations)
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player.overlay({
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overlays: annotations
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})
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}
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function parseAnnotations (annotationsText) {
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const splitted = annotationsText.split('\n\n')
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return splitted.map(s => buildAnnotation(s))
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.filter(a => !!a)
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}
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function buildAnnotation (text) {
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const splitted = text.split('\n')
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if (splitted.length < 2) {
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console.error('Cannot build annotation %s.', text)
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return undefined
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}
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const timestampsText = splitted.shift()
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const timestamps = buildTimestamps(timestampsText)
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if (!timestamps) {
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console.error('Cannot build timestamp %s of %s.', timestampsText, text)
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return undefined
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}
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let options
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if (splitted[0] && (splitted[0] || '').startsWith('options:')) {
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const optionsText = splitted[0]
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options = buildOptions(optionsText)
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if (!options) {
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console.error('Cannot build options %s of %s.', optionsText, text)
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} else {
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splitted.shift()
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}
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}
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const content = splitted.join('\n')
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const align = options && options.align ? options.align : 'top-right'
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const result = {
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align,
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content
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}
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result.start = timestamps.start || 0
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result.end = timestamps.end || video.duration
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return result
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}
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function buildTimestamps (text) {
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const result = text.split('-->')
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if (result.length !== 2) return undefined
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const startText = result[0].trim()
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const endText = result[1].trim()
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if (!startText && !endText) return undefined
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let start = parseInt(startText)
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let end = parseInt(endText)
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if (isNaN(start)) start = undefined
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if (isNaN(end)) end = undefined
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if (!start && !end) return undefined
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return { start, end }
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}
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function buildOptions (text) {
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const matchedAlign = text.match(/align=([^ ]+)/)
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if (matchedAlign) {
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return {
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align: matchedAlign[1]
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}
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}
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return undefined
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}
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