153 lines
3.6 KiB
JavaScript
153 lines
3.6 KiB
JavaScript
/**
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** ==============================
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** O O O OOOO
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** O O O O O O
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** O O O O O O
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** OOOO OOOO O OOO OOOO
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** O O O O O O O
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** O O O O O O O
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** OOOO OOOO O O OOOO
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** ==============================
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** Dr. Stefan Bosse http://www.bsslab.de
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**
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** COPYRIGHT: THIS SOFTWARE, EXECUTABLE AND SOURCE CODE IS OWNED
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** BY THE AUTHOR(S).
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** THIS SOURCE CODE MAY NOT BE COPIED, EXTRACTED,
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** MODIFIED, OR OTHERWISE USED IN A CONTEXT
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** OUTSIDE OF THE SOFTWARE SYSTEM.
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**
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** $AUTHORS: Christopher Jeffrey and contributors, Stefan Bosse
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** $INITIAL: (C) 2013-2015, Christopher Jeffrey and contributors
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** $MODIFIED: sbosse (2017).
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** $VERSION: 1.2.2
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**
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** $INFO:
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*
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* video.js - video element for blessed
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*
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** $ENDOFINFO
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*/
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/**
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* Modules
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*/
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var Comp = Require('com/compat');
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var cp = Require('child_process');
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var Node = Require('term/widgets/node');
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var Box = Require('term/widgets/box');
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var Terminal = Require('term/widgets/terminal');
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/**
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* Video
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*/
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function Video(options) {
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var self = this
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, shell
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, args;
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if (!instanceOf(this,Node)) {
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return new Video(options);
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}
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options = options || {};
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Box.call(this, options);
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if (this.exists('mplayer')) {
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shell = 'mplayer';
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args = ['-vo', 'caca', '-quiet', options.file];
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} else if (this.exists('mpv')) {
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shell = 'mpv';
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args = ['--vo', 'caca', '--really-quiet', options.file];
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} else {
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this.parseTags = true;
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this.setContent('{red-fg}{bold}Error:{/bold}'
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+ ' mplayer or mpv not installed.{/red-fg}');
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return this;
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}
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var opts = {
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parent: this,
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left: 0,
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top: 0,
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width: this.width - this.iwidth,
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height: this.height - this.iheight,
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shell: shell,
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args: args.slice()
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};
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this.now = Date.now() / 1000 | 0;
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this.start = opts.start || 0;
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if (this.start) {
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if (shell === 'mplayer') {
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opts.args.unshift('-ss', this.start + '');
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} else if (shell === 'mpv') {
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opts.args.unshift('--start', this.start + '');
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}
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}
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var DISPLAY = process.env.DISPLAY;
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delete process.env.DISPLAY;
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this.tty = new Terminal(opts);
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process.env.DISPLAY = DISPLAY;
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this.on('click', function() {
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self.tty.pty.write('p');
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});
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// mplayer/mpv cannot resize itself in the terminal, so we have
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// to restart it at the correct start time.
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this.on('resize', function() {
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self.tty.destroy();
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var opts = {
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parent: self,
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left: 0,
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top: 0,
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width: self.width - self.iwidth,
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height: self.height - self.iheight,
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shell: shell,
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args: args.slice()
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};
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var watched = (Date.now() / 1000 | 0) - self.now;
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self.now = Date.now() / 1000 | 0;
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self.start += watched;
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if (shell === 'mplayer') {
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opts.args.unshift('-ss', self.start + '');
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} else if (shell === 'mpv') {
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opts.args.unshift('--start', self.start + '');
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}
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var DISPLAY = process.env.DISPLAY;
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delete process.env.DISPLAY;
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self.tty = new Terminal(opts);
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process.env.DISPLAY = DISPLAY;
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self.screen.render();
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});
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}
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//Video.prototype.__proto__ = Box.prototype;
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inheritPrototype(Video,Box);
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Video.prototype.type = 'video';
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Video.prototype.exists = function(program) {
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try {
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return !!+cp.execSync('type '
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+ program + ' > /dev/null 2> /dev/null'
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+ ' && echo 1', { encoding: 'utf8' }).trim();
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} catch (e) {
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return false;
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}
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};
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/**
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* Expose
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*/
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module.exports = Video;
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