Rankin
/
WinBoxNode


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234
							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <title>JSDoc: Source: options/video.js</title>

    <script src="scripts/prettify/prettify.js"> </script>
    <script src="scripts/prettify/lang-css.js"> </script>
    <!--[if lt IE 9]>
      <script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
    <![endif]-->
    <link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
    <link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
</head>

<body>

<div id="main">

    <h1 class="page-title">Source: options/video.js</h1>

    
    <section>
        <article>
            <pre class="prettyprint source linenums"><code>/*jshint node:true*/
'use strict';

var utils = require('../utils');


/*
 *! Video-related methods
 */

module.exports = function(proto) {
  /**
   * Disable video in the output
   *
   * @method FfmpegCommand#noVideo
   * @category Video
   * @aliases withNoVideo
   *
   * @return FfmpegCommand
   */
  proto.withNoVideo =
  proto.noVideo = function() {
    this._currentOutput.video.clear();
    this._currentOutput.videoFilters.clear();
    this._currentOutput.video('-vn');

    return this;
  };


  /**
   * Specify video codec
   *
   * @method FfmpegCommand#videoCodec
   * @category Video
   * @aliases withVideoCodec
   *
   * @param {String} codec video codec name
   * @return FfmpegCommand
   */
  proto.withVideoCodec =
  proto.videoCodec = function(codec) {
    this._currentOutput.video('-vcodec', codec);
    return this;
  };


  /**
   * Specify video bitrate
   *
   * @method FfmpegCommand#videoBitrate
   * @category Video
   * @aliases withVideoBitrate
   *
   * @param {String|Number} bitrate video bitrate in kbps (with an optional 'k' suffix)
   * @param {Boolean} [constant=false] enforce constant bitrate
   * @return FfmpegCommand
   */
  proto.withVideoBitrate =
  proto.videoBitrate = function(bitrate, constant) {
    bitrate = ('' + bitrate).replace(/k?$/, 'k');

    this._currentOutput.video('-b:v', bitrate);
    if (constant) {
      this._currentOutput.video(
        '-maxrate', bitrate,
        '-minrate', bitrate,
        '-bufsize', '3M'
      );
    }

    return this;
  };


  /**
   * Specify custom video filter(s)
   *
   * Can be called both with one or many filters, or a filter array.
   *
   * @example
   * command.videoFilters('filter1');
   *
   * @example
   * command.videoFilters('filter1', 'filter2=param1=value1:param2=value2');
   *
   * @example
   * command.videoFilters(['filter1', 'filter2']);
   *
   * @example
   * command.videoFilters([
   *   {
   *     filter: 'filter1'
   *   },
   *   {
   *     filter: 'filter2',
   *     options: 'param=value:param=value'
   *   }
   * ]);
   *
   * @example
   * command.videoFilters(
   *   {
   *     filter: 'filter1',
   *     options: ['value1', 'value2']
   *   },
   *   {
   *     filter: 'filter2',
   *     options: { param1: 'value1', param2: 'value2' }
   *   }
   * );
   *
   * @method FfmpegCommand#videoFilters
   * @category Video
   * @aliases withVideoFilter,withVideoFilters,videoFilter
   *
   * @param {...String|String[]|Object[]} filters video filter strings, string array or
   *   filter specification array, each with the following properties:
   * @param {String} filters.filter filter name
   * @param {String|String[]|Object} [filters.options] filter option string, array, or object
   * @return FfmpegCommand
   */
  proto.withVideoFilter =
  proto.withVideoFilters =
  proto.videoFilter =
  proto.videoFilters = function(filters) {
    if (arguments.length > 1) {
      filters = [].slice.call(arguments);
    }

    if (!Array.isArray(filters)) {
      filters = [filters];
    }

    this._currentOutput.videoFilters(utils.makeFilterStrings(filters));

    return this;
  };


  /**
   * Specify output FPS
   *
   * @method FfmpegCommand#fps
   * @category Video
   * @aliases withOutputFps,withOutputFPS,withFpsOutput,withFPSOutput,withFps,withFPS,outputFPS,outputFps,fpsOutput,FPSOutput,FPS
   *
   * @param {Number} fps output FPS
   * @return FfmpegCommand
   */
  proto.withOutputFps =
  proto.withOutputFPS =
  proto.withFpsOutput =
  proto.withFPSOutput =
  proto.withFps =
  proto.withFPS =
  proto.outputFPS =
  proto.outputFps =
  proto.fpsOutput =
  proto.FPSOutput =
  proto.fps =
  proto.FPS = function(fps) {
    this._currentOutput.video('-r', fps);
    return this;
  };


  /**
   * Only transcode a certain number of frames
   *
   * @method FfmpegCommand#frames
   * @category Video
   * @aliases takeFrames,withFrames
   *
   * @param {Number} frames frame count
   * @return FfmpegCommand
   */
  proto.takeFrames =
  proto.withFrames =
  proto.frames = function(frames) {
    this._currentOutput.video('-vframes', frames);
    return this;
  };
};
</code></pre>
        </article>
    </section>


</div>

<nav>
    <h2><a href="index.html">Index</a></h2><ul><li><a href="index.html#installation">Installation</a></li><ul></ul><li><a href="index.html#usage">Usage</a></li><ul><li><a href="index.html#prerequisites">Prerequisites</a></li><li><a href="index.html#creating-an-ffmpeg-command">Creating an FFmpeg command</a></li><li><a href="index.html#specifying-inputs">Specifying inputs</a></li><li><a href="index.html#input-options">Input options</a></li><li><a href="index.html#audio-options">Audio options</a></li><li><a href="index.html#video-options">Video options</a></li><li><a href="index.html#video-frame-size-options">Video frame size options</a></li><li><a href="index.html#specifying-multiple-outputs">Specifying multiple outputs</a></li><li><a href="index.html#output-options">Output options</a></li><li><a href="index.html#miscellaneous-options">Miscellaneous options</a></li><li><a href="index.html#setting-event-handlers">Setting event handlers</a></li><li><a href="index.html#starting-ffmpeg-processing">Starting FFmpeg processing</a></li><li><a href="index.html#controlling-the-ffmpeg-process">Controlling the FFmpeg process</a></li><li><a href="index.html#reading-video-metadata">Reading video metadata</a></li><li><a href="index.html#querying-ffmpeg-capabilities">Querying ffmpeg capabilities</a></li><li><a href="index.html#cloning-an-ffmpegcommand">Cloning an FfmpegCommand</a></li></ul><li><a href="index.html#contributing">Contributing</a></li><ul><li><a href="index.html#code-contributions">Code contributions</a></li><li><a href="index.html#documentation-contributions">Documentation contributions</a></li><li><a href="index.html#updating-the-documentation">Updating the documentation</a></li><li><a href="index.html#running-tests">Running tests</a></li></ul><li><a href="index.html#main-contributors">Main contributors</a></li><ul></ul><li><a href="index.html#license">License</a></li><ul></ul></ul><h3>Classes</h3><ul><li><a href="FfmpegCommand.html">FfmpegCommand</a></li><ul><li> <a href="FfmpegCommand.html#audio-methods">Audio methods</a></li><li> <a href="FfmpegCommand.html#capabilities-methods">Capabilities methods</a></li><li> <a href="FfmpegCommand.html#custom-options-methods">Custom options methods</a></li><li> <a href="FfmpegCommand.html#input-methods">Input methods</a></li><li> <a href="FfmpegCommand.html#metadata-methods">Metadata methods</a></li><li> <a href="FfmpegCommand.html#miscellaneous-methods">Miscellaneous methods</a></li><li> <a href="FfmpegCommand.html#other-methods">Other methods</a></li><li> <a href="FfmpegCommand.html#output-methods">Output methods</a></li><li> <a href="FfmpegCommand.html#processing-methods">Processing methods</a></li><li> <a href="FfmpegCommand.html#video-methods">Video methods</a></li><li> <a href="FfmpegCommand.html#video-size-methods">Video size methods</a></li></ul></ul>
</nav>

<br clear="both">

<footer>
    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.3.0-alpha5</a> on Tue Jul 08 2014 21:22:19 GMT+0200 (CEST)
</footer>

<script> prettyPrint(); </script>
<script src="scripts/linenumber.js"> </script>
</body>
</html>