[FFmpeg-devel] [PATCH 1/2] avformat/framehash: don't share write_header code with framecrc muxers

Michael Niedermayer michael at niedermayer.cc
Wed Apr 13 11:56:33 CEST 2016

On Wed, Apr 13, 2016 at 12:15:42AM -0300, James Almer wrote:
> On 4/12/2016 11:31 PM, Michael Niedermayer wrote:
> > On Tue, Apr 12, 2016 at 07:32:44PM -0300, James Almer wrote:
> > we never would want to use a old version for checking
> > anything as it simply checks less at no advantage
> > also its IMO important that the extra fields are enabled for the
> > actual fate tests, this patchset would (please corect me if iam wrong)
> > remove this support from the actually used (in fate) framecrc
> True. I wrote this with the intention of keeping framecrc intact, which
> is pretty much the opposite of your intention to add the extra output to it.
> In that case guess I'll just turn framecrc into an alias of framehash with
> adler32 as default. The commit updating ref files will be massive, though,
> because AVHash and current framecrc initialize adler32 with different
> values.

couldnt the initial value be made user setable / setable based on
which muxer is used to acess framehash?
so that framecrc could use framehash but with its current value ?

huge changes like this would increase the git repo size proportionally
and would make diffing accross hard

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I am the wisest man alive, for I know one thing, and that is that I know
nothing. -- Socrates
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