[FFmpeg-user] ffmpeg -f fbdev doesn't work with some fb drivers
stefasab at gmail.com
Mon Aug 27 17:56:00 CEST 2012
On date Monday 2012-08-27 19:14:58 +0000, Xeslaro encoded:
> 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
> 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.
I implemented only the formats which I could test. Can you debug the
device and test the information passed to
get_pixfmt_from_fb_varinfo()? It should be rather easy to add an entry
to the rgb_pixfmt_map array in fbdev.c.
> PS: i downloaded ffmpeg source from git several days ago and its
> version is 0.11.1.git
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