[FFmpeg-devel] [RFC] Exporting virtual timelines as stream side data

[wm4]

On Tue, 27 Mar 2018 16:45:23 -0400
Dave Rice <dave at dericed.com> wrote:

> > On Mar 27, 2018, at 4:33 PM, wm4 <nfxjfg at googlemail.com> wrote:
> > 
> > On Tue, 27 Mar 2018 16:11:11 -0400
> > Dave Rice <dave at dericed.com> wrote:
> >   
> >>> On Mar 27, 2018, at 4:01 PM, Derek Buitenhuis <derek.buitenhuis at gmail.com> wrote:
> >>> 
> >>> On 3/27/2018 8:52 PM, Rostislav Pehlivanov wrote:    
> >>>> I think we should drop the internal crap if the tools and the API support
> >>>> it. Would also solve a lot of issues like ffmpeg.c not trimming the start
> >>>> frame (so people complain all the time about longer files).    
> >>> 
> >>> I personally agree, but I thought I'd be diplomatic about it, since it would
> >>> technically be losing a 'feature', since it would no longer Just Work(ish)
> >>> and require user applications to apply timelines themselves - and I figured
> >>> some would argue that point.    
> >> 
> >> +1 I’m willing to contribute what information or samples would be needed to help with Matroska support with virtual timelines. IMO, this would be a valuable feature to have in ffmpeg.
> >> Dave Rice  
> > 
> > Some explanations how this interacts with editions would be good.  
> 
> I put an example with two editions at https://archive.org/download/chapters_test/chapters_test.mkv which mimics a digitized video 

Also this file lacks a chapter end time in the second edition. How is
that valid?