Sakari, Thanks for the patch. On 2/3/12, Sakari Ailus <sakari.ailus@xxxxxx> wrote: > Document guidelines how 4CC codes should be named. Only raw bayer is > included currently. Other formats should be documented later on. > > Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxx> > --- > Documentation/video4linux/4CCs.txt | 32 ++++++++++++++++++++++++++++++++ > 1 files changed, 32 insertions(+), 0 deletions(-) > create mode 100644 Documentation/video4linux/4CCs.txt > > diff --git a/Documentation/video4linux/4CCs.txt > b/Documentation/video4linux/4CCs.txt > new file mode 100644 > index 0000000..bb4a97d > --- /dev/null > +++ b/Documentation/video4linux/4CCs.txt > @@ -0,0 +1,32 @@ > +Guidelines for Linux4Linux pixel format 4CCs > +============================================ > + > +Guidelines for Video4Linux 4CC codes defined using v4l2_fourcc() are > +specified in this document. First of the characters defines the nature of > +the pixel format, compression and colour space. The interpretation of the > +other three characters depends on the first one. > + > +Existing 4CCs may not obey these guidelines. > + > +Formats > +======= > + > +Raw bayer > +--------- > + > +The following first charcters are used by raw bayer formats: A small spelling mistake 'charcters', just pointing out since its a documentation file :-) Regards, --Prabhakar Lad > + > + B: raw bayer, uncompressed > + b: raw bayer, DPCM compressed > + a: A-law compressed > + u: u-law compressed > + > +2nd character: pixel order > + B: BGGR > + G: GBRG > + g: GRBG > + R: RGGB > + > +3rd character: uncompressed bits-per-pixel 0--9, A-- > + > +4th character: compressed bits-per-pixel 0--9, A-- > -- > 1.7.2.5 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
