[Webkit-unassigned] [Bug 230902] REGRESSION(Safari 15 - iOS15): [WebRTC] MediaStreamTack audio volume too low

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=230902

Varun D <varundabke at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |varundabke at gmail.com

--- Comment #28 from Varun D <varundabke at gmail.com> ---
(In reply to Brendan Del Rosario from comment #19)
> (In reply to neo from comment #18)
> > (In reply to Phong Le from comment #16)
> > > Could you guide about how to use AudioContext to play this remote stream? I
> > > researched and when using AudioContext to play, we must attach with an audio
> > > element. Thanks
> > 
> > i tested iOS 15. (wkWebview)
> > 
> > // audio stream example
> >  function connectToSpeaker(remoteAudioStream: MediaStream, gain: number) {
> >     const context: AudioContext = window.AudioContext ||
> > window.webkitAudioContext;
> >     const audioNode = context.createMediaStreamSource(remoteAudioStream);
> >     const gainNode: GainNode = context.createGain();
> >     // some device volume too low ex) iPad
> >     gainNode.gain.value = gain;
> >     audioNode.connect(gainNode);
> >     gainNode.connect(context.destination);
> >   } 
> > 
> > and i'm not append video(with audio) element to document body. 
> > i use canvas.
> 
> This workaround allowed us(OP/Les, Mike & Brendan) to be able to hear the
> remote audio at an appropriate level. We set our gain value to 10 for now
> and will tweak as needed (increasing too much can cause clipping). The
> quality of audio is slightly lower than that of iOS 14 but for the time
> being it is a workaround that gets us closer to previous functionality.
> Thank you very much for posting this!

Can this work if we have many peer's audio stream coming in?
Also, should the first line of this function be
const context = new (window.AudioContext || window.webkitAudioContext)();
Otherwise, createMediaStreamsource fails.

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.webkit.org/pipermail/webkit-unassigned/attachments/20211025/b74c0d47/attachment.htm>