[FFmpeg-devel] [PATCH] Fix segfault in x11grab when drawing Cursor on Xservers that don't support the XFixes extension
Tue Jun 22 00:40:36 CEST 2010
In r20631 x11grab.c was changed to query the current cursor from the
Xserver using the XFixes extension. This caused ffmpeg to segfault on
x11grab.c:265 when connected to a server that does not support this
extension (e.g. the VNC server).
In versions prior to r20631 ffmpeg used to just draw a static "arrow"
cursor. The fix basically brings back this code into x11grab.c and
uses it when the Xserver does not support XFixes.
The user will get a info message of the form "Unable to query cursor
shape. Using fixed mouse cursor." when ffmpeg is connected to a
Xserver without XFixes.
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