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Substitute for second__height and second__order

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Cadence Ember 2020-10-06 22:29:45 +13:00
parent 8998c472ef
commit d5d02bcef9
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1 changed files with 28 additions and 0 deletions
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28
api/video.js
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@ -11,6 +11,29 @@ class InstanceError extends Error {
}
}
function formatOrder(format) {
// most significant to least significant
// key, max, order, transform
// asc: lower number comes first, desc: higher number comes first
const spec = [
["second__height", 8000, "desc", x => x ? Math.floor(x/96) : 0],
["fps", 100, "desc", x => x ? Math.floor(x/10) : 0],
["type", " ".repeat(60), "asc", x => x.length],
]
let total = 0
for (let i = 0; i < spec.length; i++) {
const s = spec[i]
let diff = s[3](format[s[0]])
if (s[2] === "asc") diff = s[3](s[1]) - diff
total += diff
if (i+1 < spec.length) {
s2 = spec[i+1]
total *= s2[3](s2[1])
}
}
return -total
}
module.exports = [
{
route: "/watch", methods: ["GET"], code: async ({req, url}) => {
@ -22,6 +45,11 @@ module.exports = [
const video = await fetch(outURL).then(res => res.json())
if (!video) throw new Error("The instance returned null.")
if (video.error) throw new InstanceError(video.error, video.identifier)
// video data additional processing
for (const format of video.formatStreams.concat(video.adaptiveFormats)) {
if (!format.second__height && format.resolution) format.second__height = +format.resolution.slice(0, -1)
if (!format.second__order) format.second__order = formatOrder(format)
}
const subscribed = user.isSubscribed(video.authorId)
return render(200, "pug/video.pug", {video, subscribed})
} catch (e) {