优化流媒体编解码业务

‘liusuyi’

2023-07-14 653471f1df709ade123006b662d81fc33d84ea9c

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var userAgent = require('../internals/engine-user-agent');
 
var firefox = userAgent.match(/firefox\/(\d+)/i);
 
module.exports = !!firefox && +firefox[1];