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| Viewing file: Select action/file-type: /**
* video.js - video element for blessed
* Copyright (c) 2013-2015, Christopher Jeffrey and contributors (MIT License).
* https://github.com/chjj/blessed
*/
/**
* Modules
*/
var cp = require('child_process');
var Node = require('./node');
var Box = require('./box');
var Terminal = require('./terminal');
/**
* Video
*/
function Video(options) {
var self = this
, shell
, args;
if (!(this instanceof Node)) {
return new Video(options);
}
options = options || {};
Box.call(this, options);
if (this.exists('mplayer')) {
shell = 'mplayer';
args = ['-vo', 'caca', '-quiet', options.file];
} else if (this.exists('mpv')) {
shell = 'mpv';
args = ['--vo', 'caca', '--really-quiet', options.file];
} else {
this.parseTags = true;
this.setContent('{red-fg}{bold}Error:{/bold}'
+ ' mplayer or mpv not installed.{/red-fg}');
return this;
}
var opts = {
parent: this,
left: 0,
top: 0,
width: this.width - this.iwidth,
height: this.height - this.iheight,
shell: shell,
args: args.slice()
};
this.now = Date.now() / 1000 | 0;
this.start = opts.start || 0;
if (this.start) {
if (shell === 'mplayer') {
opts.args.unshift('-ss', this.start + '');
} else if (shell === 'mpv') {
opts.args.unshift('--start', this.start + '');
}
}
var DISPLAY = process.env.DISPLAY;
delete process.env.DISPLAY;
this.tty = new Terminal(opts);
process.env.DISPLAY = DISPLAY;
this.on('click', function() {
self.tty.pty.write('p');
});
// mplayer/mpv cannot resize itself in the terminal, so we have
// to restart it at the correct start time.
this.on('resize', function() {
self.tty.destroy();
var opts = {
parent: self,
left: 0,
top: 0,
width: self.width - self.iwidth,
height: self.height - self.iheight,
shell: shell,
args: args.slice()
};
var watched = (Date.now() / 1000 | 0) - self.now;
self.now = Date.now() / 1000 | 0;
self.start += watched;
if (shell === 'mplayer') {
opts.args.unshift('-ss', self.start + '');
} else if (shell === 'mpv') {
opts.args.unshift('--start', self.start + '');
}
var DISPLAY = process.env.DISPLAY;
delete process.env.DISPLAY;
self.tty = new Terminal(opts);
process.env.DISPLAY = DISPLAY;
self.screen.render();
});
}
Video.prototype.__proto__ = Box.prototype;
Video.prototype.type = 'video';
Video.prototype.exists = function(program) {
try {
return !!+cp.execSync('type '
+ program + ' > /dev/null 2> /dev/null'
+ ' && echo 1', { encoding: 'utf8' }).trim();
} catch (e) {
return false;
}
};
/**
* Expose
*/
module.exports = Video;
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