[Ffmpeg-devel] [PATCH] Add Dirac support to ffmpeg]

[Michael Niedermayer]

Hi

On Thu, Aug 25, 2005 at 05:25:41PM -0400, Rich Felker wrote:
> On Thu, Aug 25, 2005 at 05:00:31PM +0100, Andrew Kennedy wrote:
> > 
> > **Amended Dirac patch for ffmpeg
> > **Tested with ffmpeg cvs (as of August 25, 2005 10:00am)
> > **Author(s): Andrew Kennedy (dirac_dev at users.sourceforge.net) (main)
> >              Anuradha Suraparaju (asuraparaju at users.sourceforge.net)
> >              (minor mods)
> > 
> > Dirac is an open-source video codec currently under development. Both
> > the encoder and decoder have been integrated with ffmpeg. This patch is
> > only a basic integration such that only the salient paremeters are
> > currently passed from ffmpeg to Dirac. As Dirac develops, especially
> > with the integration of  a formalised bit-stream syntax,  then more
> > complex screnarios can be dealt with. Encoded Dirac files, with the
> > right patch, can be played back using MPlayer.
> 
> If bitstream is not finalized and may change, strict=-2 should be
> required to encode..

yes, adding something like: (from snow.c)
    if(avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL){
        av_log(avctx, AV_LOG_ERROR, "this codec is under development, files encoded with it may not be decodable with future versions!!!\n"
               "use vstrict=-2 / -strict -2 to use it anyway\n");
        return -1;
    }

should fix it

[...]
-- 
Michael