[MPlayer-dev-eng] mjpeg yuv422 output from mencoder/mplayer

[Michael Niedermayer]

Hi

On Sun, Oct 01, 2006 at 04:49:07PM +0200, Baptiste Coudurier wrote:
> Hi
> 
> Michael Niedermayer a écrit :
> >Hi
> >
> >On Sat, Sep 30, 2006 at 12:46:58PM +0200, Karolina Lindqvist wrote:
> >>I need something that outputs the MJPEG YUV422 format, that the zoran 
> >>(zr, zr2) drivers need, but I find nothing in the mencoder/mplayer 
> >>programs that can output that format to disc. 
> >>
> >>I tried mencoder with -lavcopts vcodec=mjpeg which almost appears to do 
> >>the job. Except for that it does not accept format=422p. It can only do 
> >>YV12 (YUV420).
> >
> >a patch which adds 422p jpeg encoding support to lavc would be welcome ...
> >
> >[...]
> 
> Tried to. I have at least something working in progressive. Problem is 
> that mpegvideo.c is really hardcoded to 4:2:0 and since DCT on jpeg is 
> done on 8x8 mb it is quite hard to work around that.

hmm lavc mpeg2 video supports 422 encoding over mpegvideo.c ...

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In the past you could go to a library and read, borrow or copy any book
Today you'd get arrested for mere telling someone where the library is