[FFmpeg-devel] [PATCH] Redefine sameq

Lou Logan lou at fakeoutdoorsman.com
Wed Mar 30 23:47:23 CEST 2011


On Mon, 28 Mar 2011 23:20:27 +0200
Michael Niedermayer <michaelni at gmx.at> wrote:

> On Mon, Mar 28, 2011 at 12:13:44PM -0800, Lou Logan wrote:
> > I think the documentation of sameq is causing confusion and misuse
> > of this option.
> >  doc/ffmpeg.texi |    2 +-
> >  ffmpeg.c        |    2 +-
> >  2 files changed, 2 insertions(+), 2 deletions(-)
> > 6ba3c61a7921e9e60dfbb9b53dda42ba6780ffd7  sameq_redefine.patch
> 
> hmm, maybe its better, so ok its still far from correct but explaining
> this strictly correctly would probably confuse users even more

As I see it, "use same video quality as source (implies VBR)", makes
users think that this option will provide an output with no or little
quality loss, and as a result, this option has become a popular
suggestion on support forums, etc.

How can we re-word it so it is more correct but also not confuse users
into thinking that it is a magical Option of Quality?

> also sameq works based on frames while most formats have quantizters
> per MB
> 
> [...]
> 
> -- 
> Michael     GnuPG fingerprint:
> 9FF2128B147EF6730BADF133611EC787040B0FAB
> 
> There will always be a question for which you do not know the correct
> awnser.


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