Mon 21 Jul 22:43:21 CEST 2025

js/term/widgets/video.js

@@ -0,0 +1,152 @@
+/**
+ **      ==============================
+ **       O           O      O   OOOO
+ **       O           O     O O  O   O
+ **       O           O     O O  O   O
+ **       OOOO   OOOO O     OOO  OOOO
+ **       O   O       O    O   O O   O
+ **       O   O       O    O   O O   O
+ **       OOOO        OOOO O   O OOOO
+ **      ==============================
+ **      Dr. Stefan Bosse http://www.bsslab.de
+ **
+ **      COPYRIGHT: THIS SOFTWARE, EXECUTABLE AND SOURCE CODE IS OWNED
+ **                 BY THE AUTHOR(S).
+ **                 THIS SOURCE CODE MAY NOT BE COPIED, EXTRACTED,
+ **                 MODIFIED, OR OTHERWISE USED IN A CONTEXT
+ **                 OUTSIDE OF THE SOFTWARE SYSTEM.
+ **
+ **    $AUTHORS:     Christopher Jeffrey and contributors, Stefan Bosse
+ **    $INITIAL:     (C) 2013-2015, Christopher Jeffrey and contributors
+ **    $MODIFIED:    sbosse (2017).
+ **    $VERSION:     1.2.2
+ **
+ **    $INFO:
+ *
+ * video.js - video element for blessed
+ *
+ **    $ENDOFINFO
+ */
+
+/**
+ * Modules
+ */
+var Comp = Require('com/compat');
+
+var cp = Require('child_process');
+
+var Node = Require('term/widgets/node');
+var Box = Require('term/widgets/box');
+var Terminal = Require('term/widgets/terminal');
+
+/**
+ * Video
+ */
+
+function Video(options) {
+  var self = this
+    , shell
+    , args;
+
+  if (!instanceOf(this,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;
+inheritPrototype(Video,Box);
+
+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;