OpenTok WebRTC And CefGlue Failing Chromium Version Check

[Quincy]

So I'm trying to use CefGlue because I heard it supports CEF3 and that supports WebRTC, and maybe it does but when I run I try to run the OpenTok demo (http://www.tokbox.com/opentok/api/demo/v2?session_id=2_MX4xMTI3fn5UdWUgTWFyIDEyIDIxOjU3OjIyIFBEVCAyMDEzfjAuMzAxMDcxODh-) inside the WinForm CefGlue demo I get an error from OpenTok saying I need to use Chrome version 23 or higher.  

The Xilium CefGlue binaries I'm using appear to be based on Chromium 27 (I thought it was 25 but the JS tests I did showed 27), so I'm not sure why OpenTok is refusing???

Is some JS checking they are doing not interpreting the version number right or are they testing and finding no WebRTC support???

Here's what JS tests revealed about what JS thinks the versions are:

CefGlue Winform Browser Demo:

Browser version (full) 27.0.1423.0

Webkit version 537.32

USER AGENT: Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.32 (KHTML, like Gecko) Chrome/27.0.1423.0 Safari/537.32

Installed Chrome Browser:

Browser version (full) 25.0.1364.152

Webkit version 537.22

USER AGENT: Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.22 (KHTML, like Gecko) Chrome/25.0.1364.152 Safari/537.22

Anyone have any ideas?

[Dmitry Azaraev]

Better ask at ceforum.

And looks as more simple run https://apprtc.appspot.com/ which says: "getUserMedia() failed. Is this a WebRTC capable browser?"

Actual problem that you need set this command line key: --enable-media-stream

So you can run

Xilium.CefGlue.Demo.WinForms.exe --enable-media-stream

or

add this key pragmatically in CefApp.OnBeforeCommandLineProcessing.

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Best regards,
   Dmitry

[Quincy]

Dmitry, that was great and got me over that hurdle, but on apprtc.appspot.com I now get "Failed to get access to local media.  Error code was 1."  And a permission denied error on tokbox.  I don't see an in browser camera/audio permission dialog coming up so I assume the issue is that nothing is telling CEF it's ok to share my audio/video and so it just fails. I can't find any docs on how to tell CEF it's ok to share audio/video. Or maybe it's something else.  Do you know?

Thanks.

[Dmitry Azaraev]

I'm trying with 3.1423.1135 build.In CEF you don't need to allow/deny access, if i'm rightly understand.

So - check cef.log if you use Xilium.CefGlue.Demo.WinForms.exe or debug.log (probably need set max verbosity) if use cefclient.exe.

And ask at CEF forum, 'cause I'm doesn't have real web cam installed, but looks that samples works, as expected.

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[Benjamin 'Quincy' Cabell]

Thanks Dmitry, I posted over on CEF forums.  

Since my post is still unapproved and I can't edit it over there I'll share this for anyone else who comes along in future.  I found the relevant cef.log entries and they are:

For OpenTok:

[0313/081008:INFO:CONSOLE(23)] "WebSocket message recieved: {"type":1018,"payload":{"payload":{"timestamp":"1363176606726","message":"ping!"}}}", source: http://static.opentok.com/webrtc/v2.0/js/TB.min.js (23)

[0313/081008:ERROR:rtc_video_capture_delegate.cc(88)] NOT IMPLEMENTED

[0313/081008:INFO:CONSOLE(23)] "OT.rtc.Publisher.onStreamAvailableError Permission Denied", source: http://static.opentok.com/webrtc/v2.0/js/TB.min.js (23)

And with apprtc.appspot.com:

[0313/081910:INFO:CONSOLE(165)] "Requested access to local media with mediaConstraints:

  "{"mandatory":{},"optional":[]}"", source: https://apprtc.appspot.com/?r=98616905 (165)

[0313/081910:ERROR:rtc_video_capture_delegate.cc(88)] NOT IMPLEMENTED

[0313/081910:INFO:CONSOLE(311)] "Failed to get access to local media. Error code was 1", source: https://apprtc.appspot.com/?r=98616905 (311)

Can't find much info on rtc_video_capture_delegate but NOT IMPLEMENTED doesn't sound good. :)

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[Dmitry Azaraev]

Just wait for comments from Marshall. And also put link to this post. Thanks.

PS: It is probably good idea to try latest R1138. (i'm working on build, so i think it will be available tomorrow).

[Quincy]

For anyone who sees this in future, the issue was fixed in a patch and I just needed to update to the recently released 1138.  Thanks Marshall and Dmitry.

On Wednesday, March 13, 2013 1:21:53 AM UTC-4, Quincy wrote: