[FFmpeg-trac] #4164(undetermined:new): x11grab (xcb) with show_region gives (partial) static image

[FFmpeg]

#4164: x11grab (xcb) with show_region gives (partial) static image
-------------------------------------+-------------------------------------
             Reporter:  DiJuMx       |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  2.5
  undetermined                       |               Blocked By:
             Keywords:  xcb x11grab  |  Reproduced by developer:  0
  freeze static                      |
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:

 Specifying show_region when using xcb-based screen grab causes the region
 to become static (and recorded as such). Without show_region, the region
 is not static and is captured as normal.

 Example output here: http://youtu.be/QZdEPZmWNG8

 How to reproduce:
 {{{
 % ffmpeg -f x11grab -s 320x240 -show_region 1 -i :0.0+100,100 -f mp4
 capture.mkv
 ffmpeg version 2.5 Copyright (c) 2000-2014 the FFmpeg developers
   built on Dec  6 2014 15:13:09 with gcc 4.9.1 (Debian 4.9.1-19)
   configuration: --prefix=/home/daniel/ffmpeg_build --extra-
 cflags=-I/home/daniel/ffmpeg_build/include --extra-
 ldflags=-L/home/daniel/ffmpeg_build/lib --bindir=/home/daniel/bin
 --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype
 --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis
 --enable-libvpx --enable-libx264 --enable-nonfree --enable-libxcb
 --enable-libxcb-shm --enable-libxcb-shape --enable-libpulse
   libavutil      54. 15.100 / 54. 15.100
   libavcodec     56. 13.100 / 56. 13.100
   libavformat    56. 15.102 / 56. 15.102
   libavdevice    56.  3.100 / 56.  3.100
   libavfilter     5.  2.103 /  5.  2.103
   libswscale      3.  1.101 /  3.  1.101
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  3.100 / 53.  3.100

 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4164>
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