RTCVideoTrack removeRenderer array crash

[andrew.n]

@Max Fast fingers when using session.disconnect() if the user cancels the call right after the call initiated (during a pending state)

Can you includea count verification before calling removeObjectsInRange ?

This happens when I call the disconnect & close after receiving fpwcsStreamStatusFailed from SDK.

 

[Max]

Good day.
We raised the ticket WCS-3977, will let you know about progress here.
As workaround, you can lock the disconnect button until stream change its state.

 

[Max]

Good day.
The issue was fixed in iOS SDK build 2.6.118. Please update and check.

 

[andrew.n]

Great, thank you @Max

 

[andrew.n]

@Max We did few tests and this issue still happens sometimes:

Update stream state 2, media session id is DD9E94CE-3834-47D6-8BD6-EA8D31484DEE
Update stream state 6, media session id is 85316B0D-17AA-43FA-87C1-6B22FEF131F5
didChangeIceConnectionState 6
PeerConnectionState change 5
*** Terminating app due to uncaught exception 'NSRangeException', reason: '*** -[__NSArrayM removeObjectsInRange:]: range {0, 1} extends beyond bounds for empty array'
*** First throw call stack:
(0x199f2c870 0x19222bc00 0x199e79418 0x10a4b6fb4 0x10962c858 0x10962a0e8 0x10961ea1c 0x10991cf50 0x10991eb34 0x10992698c 0x109927728 0x1099345f8 0x109933c2c 0x203899964 0x203899a04)
libc++abi: terminating due to uncaught exception of type NSException

 

[andrew.n]

Stack

 

[Max]

Good day.
Please confirm if the issue is reproduced in Two Way Streaming Swift or Media Devices Swift examples. If not, please modify example code to reproduce the issue and send using this form.

 

[andrew.n]

Yes it does. Please do the check for renders array count when using RTCVideoTrack removeRenderer

 

[Max]

Yes it does. Please do the check for renders array count when using RTCVideoTrack removeRenderer

Please provide a steps to reproduce the issue in the examples.

 

[andrew.n]

@Max Press broadcast and stop before the broadcast start, for us there are some events that we must wait for, in the example you have is harder to reproduce - maybe use some Timers to delay. In my case it might happen that the user presses to respond the call, and before the connection is setted up, the user stops the call (due to any reason on his side).

 

[andrew.n]

@Max another thing, I saw that the SDK version right now is 2.6.119, but when I updated XCode SPM dependencies, is not upgrading from 2.6.118 to 2.6.119

 

[Max]

another thing, I saw that the SDK version right now is 2.6.119, but when I updated XCode SPM dependencies, is not upgrading from 2.6.118 to 2.6.119

We do not publish a new SDK version because the changes are in example code on GitHub only.

 

[Max]

Raised the ticket WCS-4004. Will let you know about progress.

 

[andrew.n]

@Max Any ETA for this?

 

[andrew.n]

@Max This issue is causing a spike in crash reports ...

 

[Max]

We usually do not provide ETA for forum tickets. Raised the ticket priority, hope this will be fixed to New Year Eve.

 

[Max]

Good day.
We added a check if renderer exists before deletion in iOS SDK build 2.6.120. Please update and check.

 

[andrew.n]

@Max sure, working on it now, thank you

 

[andrew.n]

@Max I think there was an issue when you prepare the new version. Looks like the issue is still there. I updated on version 2.6.120, and is crashing with the same issue. Tested on different devices as well.

 

[Max]

We can't reproduce this in Media Devices Swift or Two Way Streaming Swift examples. Please modify any of the examples to stable reproduce the issue and send us the code using the form.