[Ffmpeg-devel] MOV/raw format support?

Roman Shaposhnik rvs
Wed Oct 18 22:35:15 CEST 2006


On Wed, 2006-10-18 at 22:17 +0200, Michael Niedermayer wrote:
> Hi
> 
> On Wed, Oct 18, 2006 at 12:40:21PM -0700, Roman Shaposhnik wrote:
> > Hi
> > 
> > On Wed, 2006-10-18 at 21:05 +0200, Baptiste Coudurier wrote:
> > > >>> OK, unfortunately 10 bit is unsupported by ffmpeg atm. I even wonder if
> > > >>> this is feasible with current system, since AVPicture data is uint8_t.
> > > >> we also store RGB555 and RGB565 in it and that also isnt really uint8_t
> > > >> so that part shouldnt be a problem, its just a missing pix format
> > > >>
> > > > 
> > > > Humm does RGB565 means 5 bits for R, 6 bits for G and 5 bits or B ?
> > > > Cause 10 bit quicktime (2vuy) in that case is 10 bit for Y, 10 bit for
> > > > U, 10 bit for V, means 36 bits in total. Does that sounds feasible ?
> > > > 
> > > 
> > > err read 30 bits in total.
> > 
> >   It is actually 32bit total but 2 bits are unused (which has a
> > additional benefit of being on a byte boundary). Anyway, I'd
> > imagine that theoretically something like this would work:
> >    
> >     [PIX_FMT_YUV444P10] = {
> >         .name = "yuv444p10",
> 
> all the YUV formats with a P in the name are planer, so please call it
> something else, 
 
  Good catch!

> also iam not sure if its 4:4:4

  Seems to be:
      http://developer.apple.com/quicktime/icefloe/dispatch019.html#v410

  Or do you have any reason to think its not ? 

Thanks,
Roman.





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