client-sdk-js

15f8ba82 - pause video streams when document is in background, improve mobile browser handling (#159)

pause video streams when document is in background, improve mobile browser handling (#159) * visibility changed handlers on localtrack * add visibility changed handlers on localtrack * handle tracks when app goes to background (mobile) * add helper function for silence detection * emit audioSilenceDetected event on local audio tracks, log warning * unsubscribe event handler when stopping mediatrack * remove todo * pause remote video when app in background * only pause when adaptiveStream is set * remove debug logging * include tablets in isMobile check