[Bug 47048] Logitech webcam does not show picture, only grey

WineHQ Bugzilla wine-bugs at winehq.org
Wed Nov 13 23:20:43 CST 2019


https://bugs.winehq.org/show_bug.cgi?id=47048

--- Comment #4 from Damjan Jovanovic <damjan.jov at gmail.com> ---
(In reply to Zebediah Figura from comment #3)
> Created attachment 65663 [details]
> some improvements for v4l2 threading
> 
> Our v4l threading code is horribly broken in a lot of ways. This patch might
> help, but might not. It's something of a work in progress.

That patch doesn't help. winedbg's "bt all":

Backtracing for thread 0042 in process 0039
(Z:\Wine\Research\47048-webcam-grey\portable-webcam.exe):
Backtrace:
=>0 0x623360fd __sys___acl_get_link+0x37bfd() in libc.so.7 (0x00f2f888)
  1 0x62234e8f __sys_lchflags+0xad6() in libc.so.7 (0x00f2f8a0)
  2 0x628dddc9 wait_select_reply+0x38() in ntdll (0x00f2f8e0)
  3 0x628deffc server_select+0x21b() in ntdll (0x00f2fa10)
  4 0x6285f500 wait_semaphore+0xcf() in ntdll (0x00f2fb58)
  5 0x6285f197 RtlpWaitForCriticalSection+0x276() in ntdll (0x00f2fc68)
  6 0x6285f834 RtlEnterCriticalSection+0x133() in ntdll (0x00f2fcb8)
  7 0x6592cd01 BaseOutputPinImpl_Deliver+0x40() in qcap (0x00f2fe28)
  8 0x659322b5 ReadThread+0x434() in qcap (0x00f2ff18)
  9 0x628e1c34 call_thread_func_wrapper+0xb() in ntdll (0x00f2ff28)
  10 0x628e5a35 call_thread_func+0xb4() in ntdll (0x00f2ffdc)
  11 0x628e1c26 call_thread_entry+0x9() in ntdll (0x00f2ffec)

Backtracing for thread 0040 in process 0039
(Z:\Wine\Research\47048-webcam-grey\portable-webcam.exe):
Backtrace:
=>0 0x623360fd __sys___acl_get_link+0x37bfd() in libc.so.7 (0x00a5f7d8)
  1 0x62234e8f __sys_lchflags+0xad6() in libc.so.7 (0x00a5f7f0)
  2 0x628dddc9 wait_select_reply+0x38() in ntdll (0x00a5f830)
  3 0x628deffc server_select+0x21b() in ntdll (0x00a5f960)
  4 0x628ef5e8 wait_objects+0x107() in ntdll (0x00a5faa8)
  5 0x628ef4ce NtWaitForMultipleObjects+0x5d() in ntdll (0x00a5fae8)
  6 0x62b618b5 WaitForMultipleObjectsEx+0x154() in kernelbase (0x00a5fc78)
  7 0x64af2e62 X11DRV_MsgWaitForMultipleObjectsEx+0xa1() in winex11
(0x00a5fcd0)
  8 0x633ee112 wait_message+0x71() in user32 (0x00a5fd28)
  9 0x63376de8 wait_objects+0x187() in user32 (0x00a5fe08)
  10 0x63376ac6 GetMessageW+0x1f5() in user32 (0x00a5fe78)
  11 0x657a4abb message_thread_run+0xba() in quartz (0x00a5ff18)
  12 0x628e1c34 call_thread_func_wrapper+0xb() in ntdll (0x00a5ff28)
  13 0x628e5a35 call_thread_func+0xb4() in ntdll (0x00a5ffdc)
  14 0x628e1c26 call_thread_entry+0x9() in ntdll (0x00a5ffec)

Backtracing for thread 003a in process 0039
(Z:\Wine\Research\47048-webcam-grey\portable-webcam.exe):
Backtrace:
=>0 0x623360fd __sys___acl_get_link+0x37bfd() in libc.so.7 (0x0031b688)
  1 0x62234e8f __sys_lchflags+0xad6() in libc.so.7 (0x0031b6a0)
  2 0x628dddc9 wait_select_reply+0x38() in ntdll (0x0031b6e0)
  3 0x628deffc server_select+0x21b() in ntdll (0x0031b810)
  4 0x6285f500 wait_semaphore+0xcf() in ntdll (0x0031b958)
  5 0x6285f197 RtlpWaitForCriticalSection+0x276() in ntdll (0x0031ba68)
  6 0x6285f834 RtlEnterCriticalSection+0x133() in ntdll (0x0031babc)
  7 0x6593249c qcap_driver_stop_stream+0x1b() in qcap (0x0031bb08)
  8 0x659337fe VfwCapture_Pause+0xad() in qcap (0x0031bb58)
  9 0x657bbfa1 SendPause+0x30() in quartz (0x0031bb8c)
  10 0x657bbf26 SendFilterMessage+0x365() in quartz (0x0031bc68)
  11 0x657bb021 MediaFilter_Stop+0x100() in quartz (0x0031bce8)
  12 0x657af76d MediaControl_Stop+0x3c() in quartz (0x0031bd14)
  13 0x00473921 EntryPoint+0xffffffff() in portable-webcam (0x0031bd48)
  14 0x0040315b EntryPoint+0xffffffff() in portable-webcam (0x0031bd70)
  15 0x004742da EntryPoint+0xffffffff() in portable-webcam (0x0031bdb0)
  16 0x0047536e EntryPoint+0xffffffff() in portable-webcam (0x0031bddc)
  17 0x00456d8d EntryPoint+0xffffffff() in portable-webcam (0x0031bf18)
  18 0x0043fe44 EntryPoint+0xffffffff() in portable-webcam (0x0031bf60)
  19 0x0043fabf EntryPoint+0xffffffff() in portable-webcam (0x0031bf90)
  20 0x0041dbe6 EntryPoint+0xffffffff() in portable-webcam (0x0031bfa8)
  21 0x633e98bc WINPROC_wrapper+0x1b() in user32 (0x0031bfd8)
  22 0x633eb78d call_window_proc+0x12c() in user32 (0x0031c074)
  23 0x633ebee6 WINPROC_call_window+0x675() in user32 (0x0031c188)
  24 0x6337af90 call_window_proc+0x12f() in user32 (0x0031c228)
  25 0x633731e0 send_message+0x1bf() in user32 (0x0031c2b8)
  26 0x633735ea SendMessageA+0x99() in user32 (0x0031c330)
  27 0x00452921 EntryPoint+0xffffffff() in portable-webcam (0x0031c36c)
  28 0x0043fd51 EntryPoint+0xffffffff() in portable-webcam (0x0031c3cc)
  29 0x0041dbe6 EntryPoint+0xffffffff() in portable-webcam (0x0031c3e4)
  30 0x633e98bc WINPROC_wrapper+0x1b() in user32 (0x0031c414)
  31 0x633eb78d call_window_proc+0x12c() in user32 (0x0031c4b0)
  32 0x633ed5bc WINPROC_CallProcWtoA+0x151b() in user32 (0x0031d7b4)
  33 0x633ebbf5 WINPROC_call_window+0x384() in user32 (0x0031d8c8)
  34 0x6337af90 call_window_proc+0x12f() in user32 (0x0031d968)
  35 0x633731e0 send_message+0x1bf() in user32 (0x0031d9f8)
  36 0x63373535 SendMessageW+0x94() in user32 (0x0031da78)
  37 0x63338a77 set_focus_window+0x1e6() in user32 (0x0031db48)
  38 0x633387af SetFocus+0x3ce() in user32 (0x0031dbf8)
  39 0x00456b90 EntryPoint+0xffffffff() in portable-webcam (0x0031dc2c)
  40 0x00456c09 EntryPoint+0xffffffff() in portable-webcam (0x0031dd64)
  41 0x0043fe44 EntryPoint+0xffffffff() in portable-webcam (0x0031ddac)
  42 0x0043fabf EntryPoint+0xffffffff() in portable-webcam (0x0031dddc)
  43 0x0041dbe6 EntryPoint+0xffffffff() in portable-webcam (0x0031ddf4)
  44 0x633e98bc WINPROC_wrapper+0x1b() in user32 (0x0031de24)
  45 0x633eb78d call_window_proc+0x12c() in user32 (0x0031dec0)
  46 0x633ed5bc WINPROC_CallProcWtoA+0x151b() in user32 (0x0031f1c4)
  47 0x633ebbf5 WINPROC_call_window+0x384() in user32 (0x0031f2d8)
  48 0x6337af90 call_window_proc+0x12f() in user32 (0x0031f378)
  49 0x633731e0 send_message+0x1bf() in user32 (0x0031f408)
  50 0x63373535 SendMessageW+0x94() in user32 (0x0031f480)
  51 0x63338287 set_active_window+0x766() in user32 (0x0031f660)
  52 0x633377ac set_foreground_window+0x23b() in user32 (0x0031f748)
  53 0x63338b3f SetForegroundWindow+0x9e() in user32 (0x0031f788)
  54 0x633e3f0c USER_SetWindowPos+0x53b() in user32 (0x0031f8b8)
  55 0x633dd67c SetWindowPos+0x25b() in user32 (0x0031f988)
  56 0x633e1573 show_window+0x672() in user32 (0x0031faa8)
  57 0x633dc6b5 ShowWindow+0x84() in user32 (0x0031fb00)
  58 0x00457eeb EntryPoint+0xffffffff() in portable-webcam (0x0031fb3c)
  59 0x0043cef7 EntryPoint+0xffffffff() in portable-webcam (0x0031fc64)
  60 0x0043fe44 EntryPoint+0xffffffff() in portable-webcam (0x0031fcac)
  61 0x0043ccc7 EntryPoint+0xffffffff() in portable-webcam (0x0031fcc8)
  62 0x0043f998 EntryPoint+0xffffffff() in portable-webcam (0x0031fcf4)
  63 0x0043fa03 EntryPoint+0xffffffff() in portable-webcam (0x0031fe30)
  64 0x0043fe44 EntryPoint+0xffffffff() in portable-webcam (0x0031fe78)
  65 0x0043ccc7 EntryPoint+0xffffffff() in portable-webcam (0x0031fe94)
  66 0x0043ba44 EntryPoint+0xffffffff() in portable-webcam (0x0031fed8)
  67 0x0047593c EntryPoint+0xffffffff() in portable-webcam (0x0031fef0)
  68 0x62c7bca2 call_process_entry+0x11() in kernel32 (0x0031ff08)
  69 0x62c7bed1 start_process+0x200() in kernel32 (0x0031ffdc)
  70 0x62c7bcae start_process_wrapper+0x9() in kernel32 (0x0031ffec)
0x628e1c39 DbgBreakPoint+0x1 in ntdll: ret

-- 
Do not reply to this email, post in Bugzilla using the
above URL to reply.
You are receiving this mail because:
You are watching all bug changes.



More information about the wine-bugs mailing list