YouTube Video Only

Hide video and only play audio on YouTube

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name            YouTube Video Only
// @name:en         YouTube Video Only
// @namespace       https://greasyfork.org/users/44041
// @include         http://*youtube.*/*watch*
// @include         https://*youtube.*/*watch*
// @version         1
// @grant           none
// @description     Hide video and only play audio on YouTube
// @require         http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.js
// @locale 
// ==/UserScript==

$('video').ready(function() {
  //$('video').css('display','none');
console.log('video ready');

  var video = document.getElementsByTagName("video")[0];
  if(video) {
    video.addEventListener("playing", function() {
      //$('video').css('z-index','-9999');
      //$('video').css('width','0');
      wallPattern.init();
      $('#canvas').ready();
      //$('.html5-video-container').css('display','none');
      console.error("playing");
    })
  } else {
    console.error("Video element not found");
  }
  
});

jQuery(function($){
    //$('video').css('width','0');
    var _highest = 0;   

    $("div").each(function() {
        var _current = parseInt($(this).css("zIndex"), 10);
        if(_current > _highest) {
            _highest = _current + 1;
        }
    });
    //$('.html5-video-container').append('<div style="position:absolute;z-index:'+_highest+';background:#ecebeb;border:1px solid #333;border-radius:5px;height:360px;width:640px;background-image: url("http://i.imgur.com/iZHYO4N.jpg");"> </div>');
    $('.html5-video-container').append('<canvas id="canvas" onload="wallPattern.init();" style="position:absolute;z-index:'+_highest+';border-radius:5px;height:360px;width:640px;"> </div>');

   $('#canvas').ready(function() {
     console.log('loaded');
     wallPattern.init();
     });
  
});

var wallPattern = {
  
  // Settings
  spacingX: 55,
  spacingY: 35,
  offsetVariance: 13,
  baseRadius: 55,
  
  // Other Globals
  points: [],
  canvas: null,
  context: null,
  
  init: function() {
    console.log('init');
    this.canvas = document.getElementById( 'canvas' );
    this.context = canvas.getContext( '2d' );
    this.canvas.width = 640;
    this.canvas.height = 360;
    this.preparePoints();
		this.createPattern();
		this.drawTitle();
    
  },
  
  drawTitle: function() {
    
    var rawtitletext = $('#eow-title').text().trim();
    var titletext = $('#eow-title').text().trim();
    //var titletext = rawtitletext.replace(/(.{1,32})(?:\n|$| )/g, "$1\n");
    //var titletext = "The quick brown fox jumps over the lazy dog The quick brown fox jumps over the lazy dog";

    
    this.context.fillStyle = "white";
    this.context.font = "bold 30px Helvetica";
    //this.context.fillText(titletext, (canvas.width / 2) - 17, (canvas.height / 2) + 8);
    this.context.textAlign = 'center';
    this.context.fillText(titletext, (canvas.width / 2), (canvas.height / 2));
    
  },
  
  preparePoints: function() {
    
    var width, height, i, j, k, offsetX, offsetY;
    var maxVariance = this.offsetVariance * 2;
    
    // Vertical spacing
    for ( i = this.spacingY; i < this.canvas.height; i += this.spacingY ) {
      
      var pointSet = [];
      
      // Horizontal spacing
      for(j = this.spacingX; j < this.canvas.width; j += this.spacingX ) {
        
        offsetX = Math.round((Math.random() * maxVariance) - this.offsetVariance);
        offsetY = Math.round((Math.random() * maxVariance) - this.offsetVariance);
        var offsetR = Math.round((Math.random() * maxVariance) - this.offsetVariance);
        
				pointSet.push( {x: j + offsetX, y: i + offsetY, radius: this.baseRadius + offsetR} )
      }
      
      this.points.push( this.shuffleArray( pointSet ) );
    } 
  },

  createPattern: function() {
    this.context.beginPath();
    this.context.rect(0, 0, 640, 360);
    this.context.fillStyle = "black";
    this.context.fill();
    
		var i, j, k, currentPoints, currentPoint;
    
    for ( i = 0; i < this.points.length; i++ ) {
      
      currentPoints = this.points[i]; 
      
      for ( j = 0; j < currentPoints.length;  j++ ) {
        	
       	currentPoint = currentPoints[j];
        for ( k = currentPoint.radius; k > 0; k-=10 ) {
        	
        	
     		  this.context.beginPath();
          this.context.arc(currentPoint.x, currentPoint.y, k ,0 , Math.PI*2, true);
          this.context.closePath();
          this.context.fillStyle='#000';
          this.context.strokeStyle='purple';
          this.context.fill();
          this.context.stroke();   
        }
      }
    }
  },
 
  // Shuffle algorithm from: http://stackoverflow.com/questions/962802/is-it-correct-to-use-javascript-array-sort-method-for-shuffling
  shuffleArray: function( array ) {
    
    var tmp, current, top = array.length;

    if(top) while(--top) {
        current = Math.floor(Math.random() * (top + 1));
        tmp = array[current];
        array[current] = array[top];
        array[top] = tmp;
    }

    return array;
  }
}

//wallPattern.init();