[FFmpeg-devel] [PATCH] conversion of FFV1 specification from lyx to markdown

Michael Niedermayer michael at niedermayer.cc
Fri Jul 10 20:06:33 CEST 2015


On Fri, Jul 10, 2015 at 07:51:20PM +0200, Michael Niedermayer wrote:
> On Fri, Jul 10, 2015 at 07:47:46PM +0200, Michael Niedermayer wrote:
> > On Fri, Jul 10, 2015 at 11:52:24AM +0200, Michael Niedermayer wrote:
> > > On Thu, Jul 09, 2015 at 02:14:36PM -0400, Dave Rice wrote:
> > > > 
> > > > > On Jul 9, 2015, at 1:53 PM, Michael Niedermayer <michaelni at gmx.at> wrote:
> > > > > 
> > > > > On Tue, Jul 07, 2015 at 11:03:39AM -0400, Dave Rice wrote:
> > > > >> Hi,
> > > > >> 
> > > > >>> On Jul 7, 2015, at 10:35 AM, Michael Niedermayer <michaelni at gmx.at> wrote:
> > > > >>> 
> > > > >>> On Thu, Jul 02, 2015 at 09:50:21AM -0400, Dave Rice wrote:
> > > > >>>> Hi all,
> > > > >>>> Last month I posted a draft of the FFV1 specification formatted in Markdown [1], whereas it currently lives in lyx. From that post there were responses in favor of the use of Markdown formatting and suggestions to not use mathml within a draft targeting an RFC specification and suggestions to update a few urls. I propose to proceed with a format conversion of the FFV1 specification from lyx to Markdown and then I'll file tickets or patches to explore simplifying the mathml expressions and updating the urls. Attached is a patch to convert the formatting (but not meaning) of the FFV1 specification from lyx to markdown.
> > > > >>>> 
> > > > >>>> Best Regards,
> > > > >>>> Dave Rice
> > > > >>>> 
> > > > >>>> [1] http://comments.gmane.org/gmane.comp.video.ffmpeg.devel/193851
> > > > >>>> 
> > > > >>> 
> > > > >>> how can this be edited and converted ?
> > > > >> 
> > > > >> Via pandoc you can get outputs that are close to the current ffv1.html and ffv1.pdf outputs of ffv1.lyx.
> > > > >> 
> > > > >> pandoc --mathml -s --number-sections ../ffv1.md -c lyx.css -o ffv1.html
> > > > >> pandoc -s --number-sections ../ffv1.md --latex-engine=xelatex -V geometry:margin=1in -o ffv1.pdf
> > > > >> 
> > > > >> I can move this info to a readme.
> > > > > 
> > > > > please do
> > > > 
> > > > Sure. Would you prefer a patch on ffmpeg-devel or a PR in github?
> > > 
> > > whatever you prefer
> > 
> > generated files like pdf should not be checked into git.
> > instead add a Makefile to generate them, so a simple
> > make
> > or
> > make ffv1.pdf
> > generates the file
> 
> also the readme should document which version of markdown/pandoc
> this needs
> and something should check for that version ideally so the user
> is nt left wondering why "make" produces broken tables

reviewing the pull req

The conventions section 3.
lacks vertical alignment

theres an empty line after
    for(i=0;i<e;i++) 4.6.1.2


4.6.2.5:
    log2_run[41]={JPEGLS.
    0,0,0,0,1,1,1,1,

that JPEGLS is supposed to be a link/reference/whatever but its a
litteral word


[...]


-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No human being will ever know the Truth, for even if they happen to say it
by chance, they would not even known they had done so. -- Xenophanes
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