[FFmpeg-user] ffmpeg -f fbdev doesn't work with some fb drivers

Xeslaro bfsc.yb at gmail.com
Mon Aug 27 21:14:58 CEST 2012

  i have a computer with video card ATI Radeon 9200, i've installed linux-3.2.6 on it and the radeonfb module could be loaded successfully, i could use mplayer -vo fbdev to watch movies, it works really well.

  however, when i wanna grab something using ffmpeg -f fbdev -i /dev/fb0, ffmpeg just complains that the pixel format couldn't be recognized.

  i used the exactly the ffmpeg binary running on anther computer with intel 945gm integrated graphics card, and ffmpeg -f fbdev -i /dev/fb0 just worked fine.

  are there some limitations in ffmpeg with framebuffer device? anyway to solve that problem? thanks.

PS: i downloaded ffmpeg source from git several days ago and its version is 0.11.1.git

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