tony at castley.net
Mon Apr 1 17:10:30 CEST 2002
Thanks Sam, I am hoping to get this working before the end of the long
Currently RGB16 overlay works and has been checked in but it is quite
heavy on the CPU.
> > B_YCbCr422 = 0x4000, /* Y0[7:0] Cb0[7:0] Y1[7:0]
> > Cr0[7:0]
> This is probably FOURCC_YUY2, FOURCC_YUNV and FOURCC_V422 (they're
> all the same). If it's correct, then it's the one you want to use
> because the conversion from the decoder pictures to this format is
> pretty fast.
> > B_YUV422 = 0x4020, /* U0[7:0] Y0[7:0] V0[7:0]
> > Y1[7:0]
> This is probably FOURCC_UYVY, FOURCC_Y422 and FOURCC_UYNV.
> Note: one of my interpretations for B_YCbCr422 or B_YUV422 is
> but I don't know which one. My bet is that the one for B_YUV422 is
> > B_YUV12 = 0x402D, /* planar? 420?
> This might be FOURC_YV12, which would be cool because it's the
> format of the video decoder.
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