On Thursday 17 April 2008 10:57, Burkhard Plaum wrote: > Hi, > > Wiebe Cazemier schrieb: >> Hi, >> >> I've got some confusion about color spaces. When you select a color space, >> either RGB or YUY for example, will that also be the color space in which >> the rendered result is stored? That is, can MPEG even store RGB, or is that >> always YUV? > > No, MPEG is always YUV. > > In cinelerra, you choose the colormodel used by the *processing pipeline*. > > It's not easy to decide, if RGB or YUV is better. In a case, where both > in- and output formats are YUV based, YUV processing saves 2 conversions. > OTOH if you use an RGB-only filter, the 2 saved conversions will be added at > another place in the pipeline.
If MPEG is YUV, then why is the color more accurate when using RGB? It is also more accurate in the composite window, not just the render. Is the format of the composite window RGB? > >> My source material is xvid MPEG4's, encoded by >> mencoder from separate PNGs. > > Isn't it possible to load the pngs directly? Possible yes, but impratical. At 1280x720, I had 600 MB of PNGs for just under one minute of movie... I would have preferred to use h264, but Cinelerra doesn't seem to handle that. Loading it fails (doesn't display video), and rendering to it (even though I would do that with mencoder normally) does nothing. Is there a way to get it to use h264? Should I perhaps change the fourcc? If so, into what? _______________________________________________ Cinelerra mailing list [email protected] https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra
