- From: Stefan Håkansson LK <stefan.lk.hakansson@ericsson.com>
- Date: Tue, 9 Sep 2014 17:13:52 +0000
- To: Jan-Ivar Bruaroey <jib@mozilla.com>, "public-webrtc@w3.org" <public-webrtc@w3.org>
On 2014-09-09 18:21, Jan-Ivar Bruaroey wrote: > On 9/8/14 8:22 AM, Stefan Håkansson LK wrote: >> On 03/09/14 16:57, Jan-Ivar Bruaroey wrote: >>> People want to switch seamlessly between the front and back camera on a >>> mobile device in mid-call. >>> >>> This requires somehow switching out the source of a video being sent >>> over a peerConnection without renegotiation. >> Strictly it does not require that. Both cameras could be negotiated at >> the initial SDP O/A, and which of them to show at the remote end-point >> can be signaled app specific (just change which video track that is >> "selected" at the remote end). Can be used in combination with track >> disable to improve efficiency. > > Good point, however as I mentioned, most mobile devices wont let us open > more than one camera at a time, which is problematic when the spec > demands the hardware be open already. I missed that part; and I was not aware that mobile devices can only open one camera at the time. > i.e. How can we open first the > front camera, then close it to open the back camera and then send out > combined SDP for both upfront? I guess that does not work, so you'd need something like replaceTrack for that use case. > > .: Jan-Ivar :. > >
Received on Tuesday, 9 September 2014 17:14:20 UTC