Hi Geert, On Monday 29 August 2011 13:04:15 Geert Uytterhoeven wrote: > On Mon, Aug 29, 2011 at 12:09, Laurent Pinchart wrote: > > On Monday 29 August 2011 11:36:07 Geert Uytterhoeven wrote: > >> On Mon, Aug 29, 2011 at 10:50, Laurent Pinchart wrote: > [...] > > > If my understanding is now correct, a V4L2 planar YUV type where Y, U and > > V components are stored in separate byte-oriented planes, with each > > plane storing Y, U or V components packed (such as > > http://linuxtv.org/downloads/v4l- dvb-apis/V4L2-PIX-FMT-YUV422P.html), > > would be of neither FB_TYPE_PLANES nor FB_TYPE_PACKED. The same would be > > true for an RGB format where each component is stored in a separate > > plane with each plane sotring R, G or B packed. > > Indeed. Currently this cannot be represented. Good, at least I now understand the situation :-) > For ideas from the past, see e.g. > http://comments.gmane.org/gmane.linux.fbdev.devel/10951. > > > If the above is correct, what FB_TYPE_* should a driver report when using > > FB_VISUAL_FOURCC with V4L2_PIX_FMT_YUV422P > > (http://linuxtv.org/downloads/v4l- dvb-apis/V4L2-PIX-FMT-YUV422P.html) > > or V4L2_PIX_FMT_NV12 > > (http://linuxtv.org/downloads/v4l-dvb-apis/re25.html) for instance ? > > We need new types for those. Or always use FOURCC for them. My proposal currently defined FB_VISUAL_FOURCC. What about adding FB_TYPE_FOURCC as well ? -- Regards, Laurent Pinchart -- 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
