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Issue 920942 link

Starred by 1 user
Status: Duplicate
Merged: issue 922919
Owner: ----
Closed: Yesterday
Cc:
guidou@chromium.org
santhoshkumar@chromium.org
niklase@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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getUserMedia show black screen when camera is used by other browser.

Reported by satish.y...@galaxyweblinks.in, Jan 11 
UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.80 Safari/537.36

Steps to reproduce the problem:
1. First access the camera on mozila or any other browser except chrome. 
2.Now need to access same camera on chrome browser, It show black screen.
3. 

What is the expected behavior?
Need to denied the access of camera when it is in used by any the browser or application, and show through the proper error.

What went wrong?
Now in Chrome 71.0.3578.80 it allowing to access camera when it already used by other browser or application.

It was work fine in previous version of chrome.

Did this work before? No 

Does this work in other browsers? Yes

Chrome version: 71.0.3578.80  Channel: stable
OS Version: 16.04
Flash Version: 

It was work fine in previous version of chrome.

Comment 1 by satish.y...@galaxyweblinks.in, Jan 11

image.png
115 KB View Download

Comment 2 by phanindra.mandapaka@chromium.org, Jan 12

Labels: Needs-Triage-M71

Comment 3 by guidou@chromium.org, Jan 14

Components: -Blink>GetUserMedia Blink>GetUserMedia>Webcam

Comment 4 by guidou@chromium.org, Jan 14

Labels: Needs-Feedback
satish.yadav@:
I tested this with 71.0.3578.98 and ToT on Linux and got NotReadableError, as expected.

What different behavior did you see in older versions?

Comment 5 by guidou@chromium.org, Jan 14 

Also, are you not getting NotReadableError?

Comment 6 by satish.y...@galaxyweblinks.in, Jan 14 

Hi Team,

I am not getting NotReadableError error on chrome i have verified it multiple times, but firefox i got NotReadableError.

Please check attached file i have add break point in userMedia and debug it value i got the stream.
issues-2.png
211 KB View Download
Project Member

Comment 7 by sheriffbot@chromium.org, Jan 14

Cc: guidou@chromium.org
Labels: -Needs-Feedback
Thank you for providing more feedback. Adding the requester to the cc list.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Comment 8 by satish.y...@galaxyweblinks.in, Jan 14 

You have reproduce this issue from below url.
Url: https://webrtc.github.io/samples/src/content/getusermedia/gum/
Please follow the below steps:

1. Open it on firefox and click on open camera button.
2. Now open it on chrome and click on open camera button , you got the black screen.But here expected result is   NotReadableError.

Comment 9 by santhoshkumar@chromium.org, Yesterday (42 hours ago)

Cc: santhoshkumar@chromium.org
Labels: Triaged-ET Needs-Feedback
Tried testing the issue on reported chrome version #71.0.3578.80 using Linux 17.10 by following below steps.

Steps:
=====
1.Launched Firefox.
2.Navigated to https://webrtc.github.io/samples/src/content/getusermedia/gum/
3.clicked on open camera and accessed camera
4 .Launched Chrome and navigated to https://webrtc.github.io/samples/src/content/getusermedia/gum/
5.clicked on open camera
Observation: Got error ""getuserMedia error:NotReadableError "" as expected 
@Reporter: Could you please review attached screencast and let us know if anything is being missed here. Request you to retry the issue by creating a new person without any apps and extensions in it, reset all flags to default and let us know if issue still exists.

Thanks.!
920942.webm
650 KB View Download

Comment 10 by guidou@chromium.org, Yesterday (41 hours ago)

Mergedinto: 922919
Status: Duplicate (was: Unconfirmed)

Comment 11 by guidou@chromium.org, Yesterday (41 hours ago) 

We found out through another that this only happens on Windows. For more details, look at bug 922919.

Comment 12 by satish.y...@galaxyweblinks.in, Today (22 hours ago) 

Hello Team,

I have reset all chrome flags and its working perfect.
But this bug still in Windows. 

Thanks for support.
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