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switch2_cache.html
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331 lines (293 loc) · 13.2 KB
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<!DOCTYPE html>
<html lang="en">
<head>
<title>switch</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
background-color: #000000;
margin: 0px;
overflow: hidden;
}
#info {
position: absolute;
top: 0px; width: 100%;
color: #ffffff;
padding: 5px;
font-family:Monospace;
font-size:13px;
font-weight: bold;
text-align:center;
}
a {
color: #ffffff;
}
</style>
</head>
<body>
<div id="ctrl" style="position: fixed;width: 70px;height: 20px;right: 0px; bottom:10px; border: 10px solid #888;text-align: center;padding: 8px; z-index: 9; cursor: pointer; color: white; font-size: 20px;">
PLAY
</div>
<div id="top" style="position: fixed;top:0px; height: 80; overflow: hidden;"></div>
<div id="bot" style="position: fixed;height: 200px; bottom: 0px; color:red;pointer-events: none;"></div>
<div id="container" style="z-index: 999"></div>
<script src="/javascripts/three/three.js"></script>
<script src="/javascripts/three/DeviceOrientationControls.js"></script>
<script src="/javascripts/three/stats.min.js"></script>
<script>
var $e = function (a){
return "string"==typeof a ? document.getElementById(a) : a;
}
var camera, scene, renderer, material, clock, stats, time, mesh, controlDevice, controlTap;
var bot = $e("bot");
var container = $e( 'container' );
var ctrl = $e("ctrl");
var play1 = true;
var currentTime = 0;
var switchDelay = 0.5;
var isSwitching = false;
var video, video2, ttCover;
var curTT;
var isPC = (function(){
var userAgentInfo = navigator.userAgent;
var Agents = ["Android", "iPhone",
"SymbianOS", "Windows Phone",
"iPad", "iPod"];
var flag = true;
for (var v = 0; v < Agents.length; v++) {
if (userAgentInfo.indexOf(Agents[v]) > 0) {
flag = false;
break;
}
}
return flag;
})();
function log(txt){
bot.innerHTML = txt + "<br/>" + bot.innerHTML;
}
function createVideo(src){
var v = document.createElement( 'video' );
v.height = 80;
v.loop = true;
v.autoplay = true;
//v.controls = "controls";
v.src = src;
v.setAttribute( 'webkit-playsinline', '' );
v.setAttribute( 'playsinline', '' );
$e("top").appendChild(v);
v.addEventListener("timeupdate", function(){
if (v.currentTime > currentTime){
//it never go back
currentTime = v.currentTime;
}
else{
//v.currentTime = currentTime + switchDelay;
}
});
v.addEventListener("loadedmetadata", function(){
log(this.getAttribute("bitrate") + " loadedmetadata");
if (isSwitching)
v.currentTime = currentTime + switchDelay;
});
//var lastSeek = 0;
v.addEventListener("seeked", function(){
//可以通过循环seek达到模拟播放的目的，但是延迟太大达不到流畅播放的效果
// var gap = (Date.now() - lastSeek)/1000.0;
// if (gap > 1)
// gap = 0.1;
// log(this.getAttribute("bitrate") + " seeked:" + v.currentTime.toFixed(2) + " " + gap);
// lastSeek = Date.now();
// v.currentTime = v.currentTime + gap;
if (isSwitching){
log(this.getAttribute("bitrate") + " seeked, start play");
v.play();
}
});
v.addEventListener("playing", function(){
if (isSwitching){
isSwitching = false;
switchDelay = 0.1 + (Date.now() - timer)/1000.0;
log("Finished switching to " + this.getAttribute("bitrate") + ", cost " + (Date.now() - timer));
if(v == video){
video2.pause();
}
else{
video.pause();
}
}
material.map = curTT;
});
return v;
}
var timer;
function switchPlaying(){
isSwitching = true;
play1 = !play1;
timer = Date.now();
if(play1){
log("Start to switch to " + video.getAttribute("bitrate"));
//video.pause();
video.currentTime = currentTime + switchDelay;
video2.play();
curTT = tt;
}
else{
log("Start to switch to " + video2.getAttribute("bitrate"));
//video2.pause();
video2.currentTime = currentTime + switchDelay;
video.play();
curTT = tt2;
//clearInterval(time);
}
}
//init video
var src1, src2;
if (window.location.href.indexOf("1080") > 0){
src1 = "images/af720.mp4";
src2 = "images/af1080.mp4";
ttCover = new THREE.TextureLoader().load( 'images/waterfall.png' );
switchDelay = 0.8;
}
else{
src1 = "images/360.mp4";
src2 = "images/720.mp4";
ttCover = new THREE.TextureLoader().load( 'images/benz.png' );
}
video = createVideo(src1);
video2 = createVideo(src2);
video.setAttribute("bitrate", "v1");
video2.setAttribute("bitrate", "v2");
var tt = new THREE.VideoTexture( video );
tt.minFilter = THREE.LinearFilter;
tt.format = THREE.RGBFormat;
var tt2 = new THREE.VideoTexture( video2 );
tt2.minFilter = THREE.LinearFilter;
tt2.format = THREE.RGBFormat;
curTT = tt;
//these are the pc web controls
var isUserInteracting = false,
onMouseDownMouseX = 0, onMouseDownMouseY = 0,
lon = 0, onMouseDownLon = 0,
lat = 0, onMouseDownLat = 0,
phi = 0, theta = 0,
distance = 500,
onPointerDownPointerX = 0,
onPointerDownPointerY = 0,
onPointerDownLon = 0,
onPointerDownLat = 0;
init();
animate();
function init() {
camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 1, 1100 );//摄像机角度
camera.target = new THREE.Vector3( 0, 0, 0 );
scene = new THREE.Scene();
var geometry = new THREE.SphereBufferGeometry( 500, 60, 60 );//半径，水平分片，垂直分片
geometry.scale( - 1, 1, 1 );
material = new THREE.MeshBasicMaterial( { map : ttCover } );
mesh = new THREE.Mesh( geometry, material );
scene.add( mesh );
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
if(!isPC)
controlDevice = new THREE.DeviceOrientationControls(camera);
//帧率统计
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.bottom = '0px';
stats.domElement.style.zIndex = 10;
document.body.appendChild( stats.domElement );
var isFirstPlaying = true;
ctrl.addEventListener("click", function(){
if (time){
ctrl.innerHTML = "PLAY";
clearInterval(time);
time = null;
video.pause();
video2.pause();
isFirstPlaying = true;
}
else{
ctrl.innerHTML = "STOP";
//trigger both videos to play
video.play();
video2.play();
var playingHandler2 = function(e){
log("video2 cold started");
video2.pause();
video.src = src1;
video.play();
//material.map = tt;
time = setInterval(function(){
log("loop " + play1);
switchPlaying();
}, 5000);
video2.removeEventListener("playing", playingHandler2);
};
if (isFirstPlaying){
video2.addEventListener("playing", playingHandler2);
isFirstPlaying = false;
}
}
});
}
function initPC(){
document.addEventListener( 'mousedown', onDocumentMouseDown, false );
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
document.addEventListener( 'mouseup', onDocumentMouseUp, false );
document.addEventListener( 'wheel', onDocumentMouseWheel, false );
window.addEventListener( 'resize', onWindowResize, false );
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function onDocumentMouseDown( event ) {
event.preventDefault();
isUserInteracting = true;
onPointerDownPointerX = event.clientX;
onPointerDownPointerY = event.clientY;
onPointerDownLon = lon;
onPointerDownLat = lat;
}
function onDocumentMouseMove( event ) {
if ( isUserInteracting === true ) {
lon = ( onPointerDownPointerX - event.clientX ) * 0.1 + onPointerDownLon;
lat = ( event.clientY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;
}
}
function onDocumentMouseUp( event ) {
isUserInteracting = false;
}
function onDocumentMouseWheel( event ) {
distance += event.deltaY * 0.05;
}
}
if (isPC){
initPC();
}
function animate() {
requestAnimationFrame( animate );
update();
}
function update() {
if (isPC){
lat = Math.max( - 85, Math.min( 85, lat ) );
phi = THREE.Math.degToRad( 90 - lat );
theta = THREE.Math.degToRad( lon );
camera.position.x = distance * Math.sin( phi ) * Math.cos( theta );
camera.position.y = distance * Math.cos( phi );
camera.position.z = distance * Math.sin( phi ) * Math.sin( theta );
camera.lookAt( camera.target );
}
else{
controlDevice.update();
}
stats.update();
renderer.render( scene, camera );
}
</script>
</body>
</html>