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360videotest's Introduction

360°全景视频

背景

现在网络上一大堆VR全景视频,微博全景图片,这些统统不是VR

Notes: 全景视频≠VR

  • 全景视频更多的强调的是180度或者360度全面可见。

  • VR视频就不仅仅是全部可见,还要有深度信息也就是第一视角可以在场景里自由走动。

所以目前业内并没有一个没有标准意义的VR视频,再加上VR受限于设备,不仅仅是一个显示屏(眼镜设备),还需要能够进行深度互动的设备(手柄等)

compare

现状

随着移动设备不断更新换代,全景视频已经能兼容绝大多数主流手机,体验良好(ios上顺畅,Android上微卡可看)。 当然在全景视频的基础上再加上stero 3d(threejs的插件 StereoEffect.js),创造出虚拟现实的分屏效果,使用vr眼镜可以实现视觉上的VR体验。 stereo 3d demo 以上,对360°全景视频进行研究

研究内容

  • aframe插件 虽然chrome开发者工具 模拟手机可用,但是实际上微信or手机原生浏览器并不可用。aframe 入门简单,方便使用。弃用

  • valiant360 插件同上,是threejs基础上的开发的插件,但是有bug!弃用

  • threejs 可用,采用

    Notes: 由于微信限制(无法监控video加载,只有播放时视频才会进行加载,wbem格式的视频不可用等技术弊端),要求视频为mp4,视频大小暂定小于100mb,时长5分钟内(已测试成功的视频要求,20mb,时长1分左右)

demo

由于视频跨域问题,demo无法在手机端观看,可使用chrome开发者工具模拟手机查看

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