On Tue, 1 Jul 2003, Michel Bardiaux wrote: >Short answer: yes, but not in V4L. Get ffmpeg ( >http://ffmpeg.sourceforge.net ) and use img_convert. Another possibilities are ccvt http://www.smcc.demon.nl/webcam/release.html#ccvt libHermes (maybe), And that one new library that Gstreamer CVS version is using, I don't remember it's name but it didn't have yet official release, just cvs version... >But they require knowing one thing: in V4l, what *exactly* is >VIDEO_PALETTE_RGB32? I never used it much, since YUV420P is *the* format >when using ffmpeg; from the few notes I took down, seems it is actually >B-G-R-X in byte order, with X all 8 bits zero. Can someone confirm? I confirm, although some people might take it as R-G-B-X without anybody able to prove them wrong (this is actually an undecidable problem ;) Also I don't think it's always clear what VIDEO_PALETTE_YUV420P, so let me mention that it is same as M$ fourcc IYUV and I420: http://www.fourcc.org/fccyuv.htm#IYUV
