On Monday 15 February 2010 17:27:46 Pawel Osciak wrote: > Hello, > > we would like to ask for suggestions for new fourcc formats for multiplanar buffers. > > There are planar formats in V4L2 API, but for all of them, each plane X "immediately > follows Y plane in memory". We are in the process of testing formats and V4L2 extensions > that relax those requirements and allow each plane to reside in a separate area of > memory. > > I am not sure how we should name those formats though. In our example, we are focusing > on the following formats at the moment: > - YCbCr 422 2-planar (multiplanar version of V4L2_PIX_FMT_NV16) > - YCbCr 422 3-planar (multiplanar version of V4L2_PIX_FMT_YUV422P) > - YCbCr 420 2-planar (multiplanar version of V4L2_PIX_FMT_NV12) > - YCbCr 420 3-planar (multiplanar version of V4L2_PIX_FMT_YUV420) > > > Could anyone give any suggestions how we should name such formats and what to pass to > the v4l2_fourcc() macro? What about V4L2_PIX_FMT_NV16_2P, V4L2_PIX_FMT_YUV422P_3P, etc.? What we pass to the fourcc macro is not very important IMHO. As long as it is unique. Regards, Hans > > > Best regards > -- > Pawel Osciak > Linux Platform Group > Samsung Poland R&D Center > > > -- > 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 > > -- Hans Verkuil - video4linux developer - sponsored by TANDBERG -- 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
