Thanks Adam...that would be awesome 8)
I'm running a bunch of SDP mangling tests this week to see if I can
isolate this further and learn more about the interop challenges so if I
work out anything useful about this specific ERR I'll post it here.
roBman
On 28/07/13 18:49, Adam Roach wrote:
To be clear, all of the "SDP Parsing Error" messages here are merely
warnings, not failures. On a first examination of the code path that an
get you to "Could not negotiate media lines; cause = ERR", I'm pretty
sure the situation you ran into below was a DTLS negotiation failure.
One of the things I plan to do is comb through everywhere we send back
the rather obtuse "cause = ERR" and change it to be more illuminating.
/a
On 7/27/13 01:54, Ethan Hugg wrote:
Hi Rob,
Firefox and Chrome are not directly compatible. apprtc adapts them a bit
to get them to work together. You can copy what they do from files like
this:
https://apprtc.appspot.com/js/adapter.js
https://apprtc.appspot.com/js/main.js
The bug for Bundle is here -
https://bugzilla.mozilla.org/show_bug.cgi?id=784491
Though, how some of this should work exactly is still being discussed in
the IETF standards groups MMUSIC and RTCWeb which meet next week in Berlin.
-EH
On Fri, Jul 26, 2013 at 3:55 PM, Rob Manson<[email protected]> wrote:
Hi,
I couldn't see that anyone had raised this anywhere and it seems unrelated
to this topic on discuss-webrtc
https://groups.google.com/forum/#!topic/discuss-webrtc/dLsbz6Xwxc0 - so I
thought I'd share the error message I'm receiving.
If you'd like me to raise this as a bug please let me know...but thought
it might be better first as just an informational post.
So setting up a video call between the latest Chrome (28.0.1500.71
(Official Build 209842) ) and Firefox 22 & Nightly (25.0a1 (2013-07-25)) on
Linux I get this SDP parsing error message in Firefox.
"Could not negotiate media lines; cause = ERR | SDP Parsing Error:
Warning: Group attribute type unsupported (BUNDLE). | SDP Parsing Error:
Warning: Unrecognized attribute (msid-semantic) | SDP Parsing Error:
Warning: Unrecognized attribute (ice-options) | SDP Parsing Error: Warning:
Unrecognized attribute (extmap) | SDP Parsing Error: Warning: Numeric token
for mid attribute not found | SDP Parsing Error: Warning: Invalid named
events specified for fmtp attribute. | SDP Parsing Error: Warning:
Unrecognized attribute (ssrc) | SDP Parsing Error: Warning: Unrecognized
attribute (ssrc) | SDP Parsing Error: Warning: Unrecognized attribute
(ssrc) | SDP Parsing Error: Warning: Unrecognized attribute (ssrc) | SDP
Parsing Error: Warning: Unrecognized attribute (ice-options) | SDP Parsing
Error: Warning: Unrecognized attribute (extmap) | SDP Parsing Error:
Warning: Numeric token for mid attribute not found | SDP Parsing Error:
Warning: Unrecognized attribute (ssrc) | SDP Parsing Error
: Warning: Unrecognized attribute (ssrc) | SDP Parsing Error: Warning:
Unrecognized attribute (ssrc) | SDP Parsing Error: Warning: Unrecognized
attribute (ssrc) "
However, in the exact same app I can setup a video call between two
Firefox tabs or separate browsers so it's definitely working OK with
Firefox SDP.
If you'd like a full copy of the Chrome SDP and related signaling please
let me know...but I'm sure you've got a good collection of this already 8)
roBman
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