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From: "Sean C. Farley" on 19 Jan 2010 18:43
I recall running into this in the past with some application I cannot
recall at the moment, yet I just bumped into it again recently when
trying to run multimedia/pwcview.

# pwcview
Webcam set to: 320x240 (sif) at 5 fps
XDM authorization key matches an existing client!Failed to init sdl: Couldn't open X11 display

The issue is that xdm uses XDM-AUTHORIZATION-1 authentication, so I have
these as well as MIT-MAGIC-COOKIE-1 listed within ~/.Xauthority. libSDL
by default does not like this.

Three possible solutions and one guess are available:
1. Link pwcview with libX11.
2. Add 'DisplayManager*authName: MIT-MAGIC-COOKIE-1' to xdm-config.
3. (untested) Configure libSDL to be built with
SDL_VIDEO_DRIVER_X11_DYNAMIC defined and src/video/x11/SDL_x11video.c
changed to include FreeBSD with __osf__ in the check. This causes it
try again after one second. The comment claims that this works for
this issue.
4. Linking libX11 to libSDL? It is just a thought.

Sean

P.S. libSDL 1.2.14 is available.
--
scf(a)FreeBSD.org
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