[Bug 49359] New: WeChat: video capture device wasn't release after video chat finished.

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=49359

Bug ID: 49359
           Summary: WeChat: video capture device wasn't release after
                    video chat finished.
           Product: Wine
           Version: 5.10
          Hardware: x86
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 67405
  --> https://bugs.winehq.org/attachment.cgi?id=67405
A +qcap,+quartz,+qedit,+strmbase,+tid,+pid log.

Steps to reproduce:
0. `winetricks -q riched20` for work around bug 5162 ;
1. Download and install WeChat;
2. Login and start a video chat with a contact;
3. End the first video chat and start another.

WeChat will complain not available cameras found.

Tested with wine-5.10-88-gbf454cc394.
sha256: 973b429c4f9c1882340c3b8bfa066ae159b5dd409f876538e3820efbeb0a5ab4 
WeChatSetup.exe

[Bug 49359] WeChat: video capture device wasn't release after video chat finished.

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=49359

Jactry Zeng  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
                URL|                            |https://web.archive.org/web
                   |                            |/20200604143606/https://dld
                   |                            |ir1.qq.com/weixin/Windows/W
                   |                            |eChatSetup.exe
           Keywords|                            |download

--- Comment #1 from Jactry Zeng  ---
It looks like it is because the application didn't release IAMStreamConfig
after used. So the video device wasn't released after the first video chat.

---snip---
libv4l2: error setting pixformat: Device or resource busy
0020:0254:err:qcap:set_caps Failed to set pixel format: Device or resource
busy.
0020:0254:err:qcap:qcap_driver_init Failed to set pixel format: Device or
resource busy
---snip---

Should we consider it as an application issue? But it works well on Windows.