[vlc-devel] [PATCH 0/8] Add drain support in sout

Thomas Guillem thomas at gllm.fr
Tue Jan 30 09:38:25 CET 2018

On Mon, Jan 29, 2018, at 19:26, Rémi Denis-Courmont wrote:
> Le maanantaina 29. tammikuuta 2018, 19.25.48 EET Thomas Guillem a écrit :
> > Hello,
> > 
> > This set of patches modifies the sout_mux/sout_access/sout behavior by
> > handling drain when a NULL buffer is sent to pf_write/pf_send callbacks.
> IMO, draining only makes sense on single ES. Furthermore, draining is only 
> meaningful in contrast to flushing. In stream output, you can assume that an 
> ES is being drained when it gets deleted. So there is really no point in 
> adding explicit draining, AFAICT.

>From my cc sout, I can drain the next sout chain by deleting them, I agree. But how do I know that I should wait for the client to read the final http stream when I'm closing ?

That's why a drain is more convenient. Finally I would only need 3/8, 5/8 and 8/8 patches to achieve my goal. Otherwise, I don't really know what to do.

> And then, the generic problem of deadlock muxers can only be fixed by passing 
> the PCR to the stream output - which is far more powerful and generic than 
> draining.
> -- 
> 雷米‧德尼-库尔蒙
> https://www.remlab.net/
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