[FFmpeg-user] ffmpeg-55ed91c and x264-d9d2288. Profile setting differs from output.

Joseph Rosensweig jrosensw at gmail.com
Wed Jul 25 21:06:27 CEST 2012


He James,

   Thanks for the follow up.  So in the latest version of FFMPEG how would
I achieve lossless encoding?  Would I still specify "High 4:4:4
Predictive", or is there a different way now?

Thanks!

-JD

On Wed, Jul 25, 2012 at 11:39 AM, James Darnley <james.darnley at gmail.com>wrote:

> On 2012-07-23 22:43, Joseph Rosensweig wrote:
> >    Thanks for the replies.  I'm pretty new to FFMPEG so I'm picking these
> > things up as I go.  So for the first issue with the high444 and high422
> > coming out as high.  In an earlier version of FFMPEG, when I took raw
> 4:2:0
> > YUV data and encoded it using the ultrafast lossless preset.  FFMPEG
> would
> > show "High 4:4:4 Predictive", despite the fact that I was feeding it
> 4:2:0
> > YUV.  That is where this confusion came from for me.
>
> Just a quick follow-up to let you know that "High 4:4:4 Predictive" was
> used because it is the only profile to allow lossless encoding.
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