Finished changes required to resolve issue #1 and issue #2. Added super16 and 35mm (4 perf) image sizes
This commit is contained in:
parent
7cb27e7bea
commit
73775da9d1
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@ -1,3 +1,4 @@
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node_modules
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tmp/*
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temp/*
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.nexe
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266
v2f.js
266
v2f.js
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@ -1,53 +1,103 @@
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/*jshint strict: true, esversion:6, node: true, asi: true*/
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'use strict'
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const cmd = require('commander')
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const async = require('async')
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const exec = require('child_process').exec
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const fs = require('fs')
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const _tmp = '/tmp'
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const path = require('path')
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//var frame_height = 7.61
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//var frame_height = 7.49
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let frame_height = 7.62
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let frame_padding = 0
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const TMP = '/tmp/v2f/'
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class Dimensions{
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constructor (film, dpi) {
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constructor (filmStr, dpi) {
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const IN = dpi / 25.4
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this.h = Math.round(film.frame_height * IN)
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this.w = Math.round(film.a * IN)
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this.o = Math.round(film.b * IN)
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const film = this._gauge(filmStr)
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this.h = Math.round(film.h * IN) //frame height
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this.w = Math.round(film.w * IN) //frame width
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this.o = Math.round(film.o * IN) //space between columns
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this.dpi = dpi
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this.film = film
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}
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_gauge (film) {
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if (film === '16mm') {
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return {
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h: 7.62,
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w : 10.5,
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o : 16
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}
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} else if (film === 'super16'){
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return {
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h: 7.62,
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w : 12.75,
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o : 16
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}
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} else if (film === '35mm') {
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return {
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h : 19.05,
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w : 22,
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o : 35
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}
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} else {
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error('Film type not found, see --help for more info')
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}
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}
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}
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/**
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*
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*
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* @function
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* @param {Object} Commander object
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*/
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function initialize (command) {
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const dpi = command.dpi || 300
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const film = command.film || '16mm'
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const input = command.input || command.args[0] || error('No input file, see --help for more info')
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const output = command.output || command.args[1] || error('No ouput directory, see --help for more info')
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const dim = new Dimensions(film, dpi)
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if (!fs.existsSync(input)) error(`Video "${input}" cannot be found`)
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async.series([
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next => {
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convert(input, dim, next)
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},
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next => {
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stitch(output, dim, next)
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},
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cleanup
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], () => {
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console.log(`Finished creating pages`)
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})
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}
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/** *
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* Turn video into sheet of images
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* Create image sequence from source video, using
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*
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* @function
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* @param {String} path file path (absolute)
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* @param {Integer} dpi target printing dpi
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* @param {Integer} length strip length in frames
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* @param {String} input file path (absolute)
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* @param {Integer} dpi target printing dpi
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* @param {Integer} length strip length in frames
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*
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*/
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function convert (path, dpi) {
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const film = { frame_height: frame_height, a : 10.5, b : 16}
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const dim = new Dimensions(film, dpi)
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const file = path.split('/').pop()
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const loc = _tmp + '/'
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const execStr = `avconv -i "${path}" -s ${dim.w}x${dim.h} -qscale 1 "${loc}sequence_%04d.jpg"`
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function convert (input, dim, next) {
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const file = input.split('/').pop()
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const execStr = `avconv -i "${input}" -s ${dim.w}x${dim.h} -qscale 1 "${TMP}v2f_sequence_%04d.jpg"`
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console.log(`Converting ${file}...`)
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console.log(`Exporting all frames with aspect ratio: ${dim.w / dim.h} ...`)
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console.log(`Exporting all frames with aspect ratio: ${dim.w / dim.h}...`)
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if (!fs.existsSync(_tmp)) fs.mkdirSync(_tmp)
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if (!fs.existsSync(TMP)) fs.mkdirSync(TMP)
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exec(execStr, (ste, std) => {
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if (ste) {
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return errorHandle(ste)
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return error(ste)
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}
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console.log('Frames exported successfully!')
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stitch(loc.substring(0, loc.length - 1), dim)
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next()
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})
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}
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@ -55,114 +105,110 @@ function convert (path, dpi) {
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* Stitch rendered frames into strips
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* @function
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* @param {String} loc Path of folder containing frames
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* @param {Object} dim Dimensions object
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* @param {String} output Path of folder containing frames
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* @param {Object} dim Dimensions object
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* @param {Function} next Async lib callback function
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*
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*/
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function stitch (loc, dim) {
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function stitch (output, dim, next) {
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const length = Math.floor((11 * dim.dpi) / dim.h) - 1
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const width = Math.floor((8.5 * dim.dpi / dim.o)) - 1
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const loc = TMP.substring(0, TMP.length - 1)
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const diff = Math.round((dim.o - dim.w) / 2)
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let page = 0
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let pageCount = 0
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let cmd = `find "${loc}" -type f -name "sequence_*.jpg"`
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function find_cb (ste, std) {
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if (ste) {
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return errorHandle(ste)
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}
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const frames = std.split('\n')
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let execStr = 'montage '
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function montage_cb (stee, stdd) {
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if (stee) {
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return errorHandle(ste)
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}
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console.log(`Created page_${pageCount}.jpg!`)
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pageCount++
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if (pageCount === page) {
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console.log('Cleaning up...');
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setTimeout(() => {
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exec(`find "${loc}" -type f -name "sequence_*.jpg" -delete`, () => {
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fs.rmdirSync(_tmp)
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console.log('Done!')
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})
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}, 1000)
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}
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}
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for (let i = 0; i < frames.length; i++) {
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execStr += frames[i] + ' '
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if ((i + 1) % (width * length) === 0 || i === frames.length - 1) {
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execStr += '\ -tile 1x' + length + ' -geometry ' + dim.w + 'x' + dim.h + '+' + Math.round((dim.o - dim.w) / 2) + '+0 miff:- |\ \nmontage - -geometry +0+0 -tile ' + width + 'x1 -density ' + dim.dpi + ' "./page_' + page + '.jpg"'
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exec(execStr, montage_cb)
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execStr = 'montage '
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page++
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}
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}
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}
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loc = _tmp
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let cmd = `find "${loc}" -type f -name "v2f_sequence_*.jpg"`
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console.log('Stitching frames into sheets...')
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console.log(`Sheets will contain ${width}x${length} frames...`)
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exec(cmd, find_cb)
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exec(cmd, (ste, std) => {
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if (ste) {
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return error(ste)
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}
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let jobs = []
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let cmds = []
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let frames = std.split('\n')
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let execStr = 'montage '
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let pagePath = ``
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let i = 0
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frames = frames.filter(elem => {
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if (elem.indexOf('find: ') === -1) {
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return elem
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}
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})
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frames.sort()
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for (let frame of frames) {
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execStr += `${frame} `
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if ((i + 1) % (width * length) === 0 || i === frames.length - 1) {
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pagePath = path.join(output, `./page_${pad(page)}.jpg`)
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execStr += `\ -tile 1x${length} -geometry ${dim.w}x${dim.h}+${diff}+0 miff:- |\ \nmontage - -geometry +0+0 -tile ${width}x1 -density ${dim.dpi} "${pagePath}"`
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console.log(execStr)
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process.exit()
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cmds.push(execStr)
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execStr = 'montage '
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page++
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}
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i++
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}
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jobs = cmds.map(cmd => {
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return cb => {
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exec(cmd, (err, std, ste) => {
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if (err) {
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return error(err)
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}
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console.log(`Created page of ${width}x${length} frames!`)
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cb()
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})
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}
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})
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async.series(jobs, next)
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})
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}
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var errorHandle = function (err) {
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function cleanup (next) {
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console.log('Cleaning up...');
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exec(`rm -r "${TMP}"`, (err) => {
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if (err) console.error(err)
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if (next) next()
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})
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}
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function pad (n) {
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return ('00000' + n).slice(-5)
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}
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var error = function (err) {
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if (process.argv.indexOf('-v') !== -1 || process.argv.indexOf('--verbose') !== -1){
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console.error(err)
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} else {
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console.error('Error running program. Run in verbose mode for more info (-v,--verbose)')
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}
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process.exit(1)
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};
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}
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process.on('uncaughtException', err => {
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errorHandle(err)
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error(err)
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})
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//convert(process.argv[2], process.argv[3])
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if (typeof process.argv[2] === 'undefined') {
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console.error('No path to video defined')
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process.exit(1)
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//fix for nexe
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let args = [].concat(process.argv)
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if (args[1].indexOf('v2f.js') === -1) {
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args.reverse()
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args.push('node')
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args.reverse()
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}
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if (typeof process.argv[3] === 'undefined') {
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process.argv[3] = 300
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console.log('Using default 300dpi')
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}
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cmd.arguments('<input> <output>')
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.version('1.1.0')
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.option('-i, --input <path>', 'Video source to print to film strip, anything that avconv can read')
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.option('-o, --output <path>', 'Output directory, will print images on A4 standard paper file')
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.option('-d, --dpi <dpi>', 'DPI output pages')
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.option('-f, --film <gauge>', 'Choose film gauge: 16mm, super16, 35mm')
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.option('-v, --verbose', 'Run in verbose mode')
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.parse(args)
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convert(process.argv[2], process.argv[3])
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/*
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INSTALLATION AND RUNNING
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*/
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//Install in this order to satisfy requirements: GCC required by MacPorts, etc.
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//Install Node http://nodejs.org/dist/v0.10.22/node-v0.10.22.pkg
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//Install GCC https://github.com/kennethreitz/osx-gcc-installer#option-1-downloading-pre-built-binaries
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//Install MacPorts http://www.macports.org/install.php
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//Install ImageMagick in terminal type "sudo port install ImageMagick"
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//Install avconv -see below
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/*
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Download and unzip http://libav.org/releases/libav-9.6.tar.gz
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in terminal type "cd " and drag in unzipped folder and hit enter
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in terminal copy "sudo port install yasm zlib bzip2 faac lame speex libogg libvorbis libtheora libvpx x264 XviD openjpeg15 opencore-amr freetype" (without quotes) hit enter
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in terminal copy "./configure \ --enable-gpl --enable-libx264 --enable-libxvid \ --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb \ --enable-nonfree --enable-libfaac \ --enable-libmp3lame --enable-libspeex --enable-libvorbis --enable-libtheora --enable-libvpx \ --enable-libopenjpeg --enable-libfreetype --enable-doc --enable-gnutls --enable-shared" hit enter
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(if that gives errors just use "./configure" and hit enter)
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in terminal copy "make && sudo make install" hit enter
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that will install it
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*/
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//run by going to terminal typing "node " dragging this script into the terminal, dragging the video into the terminal and adding a DPI value and hitting enter
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//the command should look something like this:
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//node /Users/stenzel/Desktop/video_to_page.js /Users/stenzel/Desktop/PaulRobeson/Paul\ Robeson\ discusses\ Othello.mp4 600
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//Get the absolute path of any file by dragging it into terminal and copying the results
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//Must be enclosed by ''
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//Will generate pages and frames in same folder as source video
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initialize(cmd)
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