search for: poynton

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2005 Nov 08
3
[Theora-dev] Re: OggYUV
Timothy B. Terriberry wrote: >Chapter 4 of the Theora specification does a reasonable job of laying >out all of the possible parameters for a Y'CbCr-style color space, which >includes as a subset those needed for RGB. Much more detailed >information is available from Charles Poynton's Color and Gamma FAQs: >http://www.poynton.com/Poynton-color.html >If you wish to do any serious video work, you should at a minimum >undestand these. > > In terms of colorspaces, it seems to me that the only way to completely describe the colorspace is to provide the transfo...
2005 Nov 08
2
Re: OggYUV
On Tue, Nov 08, 2005 at 09:36:52PM +0800, illiminable wrote: > > Then there's YUY2 which is interleaved Y0 U0 Y1 V0 Y2 U1 Y3 V1, and YVYU > (Y0 V0 Y1 U0 Y2 V1 Y3 U1), and UYVY (U0 Y0 V0 Y1 U0 Y2 V0 Y3)... and then > there's AYUV, which has a 4th alpha channel. We will only be doing [A]YUV ordered planar encoding, no other order, not packed using one of several methods.
2005 Nov 08
2
Re: [ogg-dev] OggYUV
On Tue, Nov 08, 2005 at 09:36:52PM +0800, illiminable wrote: > > Then there's YUY2 which is interleaved Y0 U0 Y1 V0 Y2 U1 Y3 V1, and YVYU > (Y0 V0 Y1 U0 Y2 V1 Y3 U1), and UYVY (U0 Y0 V0 Y1 U0 Y2 V0 Y3)... and then > there's AYUV, which has a 4th alpha channel. We will only be doing [A]YUV ordered planar encoding, no other order, not packed using one of several methods.