react-native-video可以同时播放单独的视频和音频轨道吗?

时间:2020-04-13 03:44:58

标签: javascript react-native react-native-video

我有很多来自API的技巧,可以给我uri分别提供视频和音频。我可以以某种方式同时播放2跟踪视频和音频,并支持暂停播放搜索等吗?

曲目数据的JSON(简体):

{
 "itag":243,
"url":"https://r3---sn-qvoc5nnxaxjugvopj-qo3e.googlevideo.com/videoplayback?expire=1586766406\u0026ei=5s2TXsCyII-x7QSOiJH4DQ\u0026ip=109.254.29.7\u0026id=o-AOLcChVj-UlAZI2jwEAGI91RICPXewSim1R7QME77QU8\u0026itag=243\u0026aitags=133%2C134%2C135%2C136%2C137%2C160%2C242%2C243%2C244%2C247%2C248%2C271%2C278%2C313\u0026source=youtube\u0026requiressl=yes\u0026mh=Qc\u0026mm=31%2C29\u0026mn=sn-qvoc5nnxaxjugvopj-qo3e%2Csn-n8v7kn7s\u0026ms=au%2Crdu\u0026mv=m\u0026mvi=2\u0026pcm2cms=yes\u0026pl=20\u0026initcwndbps=1306250\u0026vprv=1\u0026mime=video%2Fwebm\u0026gir=yes\u0026clen=6925152\u0026dur=206.082\u0026lmt=1586712912919153\u0026mt=1586744683\u0026fvip=11\u0026keepalive=yes\u0026c=WEB\u0026txp=5531432\u0026sparams=expire%2Cei%2Cip%2Cid%2Caitags%2Csource%2Crequiressl%2Cvprv%2Cmime%2Cgir%2Cclen%2Cdur%2Clmt\u0026sig=AJpPlLswRQIgDdRVs0zHsYYHzZ0wnnfgHKuH6fCSkiEJZ5KIHTe9VB0CIQDadvrh8UEQQ_DceojptEXZRJk9k7ROvmqonIKz7YIh_A%3D%3D\u0026lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpcm2cms%2Cpl%2Cinitcwndbps\u0026lsig=ALrAebAwRAIgFtLclvFXAYZ95mqj9GT2siK0jyWT4I1nzJz7KhSvlIkCIBU2T67wiPEaB2KzIQ-RF8Lh-7IiV22xRrRqYN-ji0fu"
"mimeType":"video/webm;+codecs=\"vp9\""

"itag":251,
"url":"https://r3---sn-qvoc5nnxaxjugvopj-qo3e.googlevideo.com/videoplayback?expire=1586766406\u0026ei=5s2TXsCyII-x7QSOiJH4DQ\u0026ip=109.254.29.7\u0026id=o-AOLcChVj-UlAZI2jwEAGI91RICPXewSim1R7QME77QU8\u0026itag=251\u0026source=youtube\u0026requiressl=yes\u0026mh=Qc\u0026mm=31%2C29\u0026mn=sn-qvoc5nnxaxjugvopj-qo3e%2Csn-n8v7kn7s\u0026ms=au%2Crdu\u0026mv=m\u0026mvi=2\u0026pcm2cms=yes\u0026pl=20\u0026initcwndbps=1306250\u0026vprv=1\u0026mime=audio%2Fwebm\u0026gir=yes\u0026clen=3192185\u0026dur=206.101\u0026lmt=1586712383489185\u0026mt=1586744683\u0026fvip=11\u0026keepalive=yes\u0026c=WEB\u0026txp=5531432\u0026sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cvprv%2Cmime%2Cgir%2Cclen%2Cdur%2Clmt\u0026sig=AJpPlLswRQIhAKCF9GRv40ium4N-nMAcgHw6uVx4gdWsPGf-pSzv0mFsAiAW79mCjaeI-4MuOxIwrWP4ICd0Yc_SIBloHtCb_oAvOQ%3D%3D\u0026lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpcm2cms%2Cpl%2Cinitcwndbps\u0026lsig=ALrAebAwRAIgFtLclvFXAYZ95mqj9GT2siK0jyWT4I1nzJz7KhSvlIkCIBU2T67wiPEaB2KzIQ-RF8Lh-7IiV22xRrRqYN-ji0fu",
"mimeType":"audio/webm;+codecs=\"opus\""
}

1 个答案:

答案 0 :(得分:1)

尽管从理论上讲是可能的(毕竟所有这些都是可播放的流),但通过像RN Video这样的高级组件却很难做到这一点。音轨不能一起构成有效的流媒体内容,因此基础播放器必须准备播放多源资产,这反过来又是一个不寻常的用例。