- From: Harald Alvestrand <harald@alvestrand.no>
- Date: Mon, 05 Mar 2012 11:03:28 +0100
- To: Randell Jesup <randell-ietf@jesup.org>
- CC: "public-webrtc@w3.org" <public-webrtc@w3.org>, ludovic.vue@gmail.com
On 03/05/2012 06:33 AM, Randell Jesup wrote: > Paste from the discuss-webrtc mailing list: > > On 3/4/2012 12:58 PM, Ludo wrote: >> I am trying to use the getUserMedia API, but i get a problem at the >> moment to insert the stream object into the balise video. >> >> Here us the main part: >> <video autoplay id="test"></video> >> >> navigator.getUserMedia('video', function(localMediaStream) >> { >> $('#test').attr('src', >> window.URL.createObjectURL(localMediaStream)); >> }); >> >> I use opera Labs Camera whose support the API, but i get this error: >> "Uncaught exception: TypeError: Cannot convert 'window.URL' to object". >> >> I also tried without this method: >> <video autoplay id="test"></video> >> >> navigator.getUserMedia('video', function(localMediaStream) >> { >> $('#test').attr('src', localMediaStream); >> }); >> >> The stream object is into the balise video but nothing happens... > > > I'm not sure why it doesn't work in Opera, but I will note that > media_element.src = MediaStream is the API we at Mozilla would prefer > to see adopted as a standard. I'll let others here make the real > argument (roc in particular is on vacation, but I know this is his > preference), but I'll say that it's a much more obvious usage to the > application programmer (and the above is evidence to that for me), and > there may be some other advantages as well - perhaps easier tracking > of possible consumers of the output of a MediaStream object, while > createObjectURL() produces a string and thus you can't really know > when it might be used. > I would also prefer the media_element.src = MediaStream. My second preference is to make createObjectURL() a function on the mediastream, rather than a free-floating function; I was writing some tests over the weekend, and realized that the fact that createObjectURL() is a free-floating function is *horrible* if you want to do testing with mocks. Harald
Received on Monday, 5 March 2012 10:03:58 UTC