kalugin66/webtorrent-desktop
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DC
2016-08-31 14:36:11 -07:00
parent 0bda5358bd
commit 3f6cc97a02
54 changed files with 676 additions and 679 deletions
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28
src/renderer/lib/torrent-poster.js
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@@ -1,22 +1,22 @@
module.exports = torrentPoster
var captureVideoFrame = require('./capture-video-frame')
var path = require('path')
const captureVideoFrame = require('./capture-video-frame')
const path = require('path')
function torrentPoster (torrent, cb) {
// First, try to use a poster image if available
var posterFile = torrent.files.filter(function (file) {
const posterFile = torrent.files.filter(function (file) {
return /^poster\.(jpg|png|gif)$/.test(file.name)
})[0]
if (posterFile) return torrentPosterFromImage(posterFile, torrent, cb)
// Second, try to use the largest video file
// Filter out file formats that the <video> tag definitely can't play
var videoFile = getLargestFileByExtension(torrent, ['.mp4', '.m4v', '.webm', '.mov', '.mkv'])
const videoFile = getLargestFileByExtension(torrent, ['.mp4', '.m4v', '.webm', '.mov', '.mkv'])
if (videoFile) return torrentPosterFromVideo(videoFile, torrent, cb)
// Third, try to use the largest image file
var imgFile = getLargestFileByExtension(torrent, ['.gif', '.jpg', '.jpeg', '.png'])
const imgFile = getLargestFileByExtension(torrent, ['.gif', '.jpg', '.jpeg', '.png'])
if (imgFile) return torrentPosterFromImage(imgFile, torrent, cb)
// TODO: generate a waveform from the largest sound file
@@ -25,8 +25,8 @@ function torrentPoster (torrent, cb) {
}
function getLargestFileByExtension (torrent, extensions) {
var files = torrent.files.filter(function (file) {
var extname = path.extname(file.name).toLowerCase()
const files = torrent.files.filter(function (file) {
const extname = path.extname(file.name).toLowerCase()
return extensions.indexOf(extname) !== -1
})
if (files.length === 0) return undefined
@@ -36,15 +36,15 @@ function getLargestFileByExtension (torrent, extensions) {
}
function torrentPosterFromVideo (file, torrent, cb) {
var index = torrent.files.indexOf(file)
const index = torrent.files.indexOf(file)
var server = torrent.createServer(0)
const server = torrent.createServer(0)
server.listen(0, onListening)
function onListening () {
var port = server.address().port
var url = 'http://localhost:' + port + '/' + index
var video = document.createElement('video')
const port = server.address().port
const url = 'http://localhost:' + port + '/' + index
const video = document.createElement('video')
video.addEventListener('canplay', onCanPlay)
video.volume = 0
@@ -61,7 +61,7 @@ function torrentPosterFromVideo (file, torrent, cb) {
function onSeeked () {
video.removeEventListener('seeked', onSeeked)
var buf = captureVideoFrame(video)
const buf = captureVideoFrame(video)
// unload video element
video.pause()
@@ -78,6 +78,6 @@ function torrentPosterFromVideo (file, torrent, cb) {
}
function torrentPosterFromImage (file, torrent, cb) {
var extname = path.extname(file.name)
const extname = path.extname(file.name)
file.getBuffer((err, buf) => cb(err, buf, extname))
}