[FFmpeg-devel] [PATCH 1/3] libavformat: add "capture:" protocol

[Steven Liu]

2017-04-03 18:12 GMT+08:00 wm4 <nfxjfg at googlemail.com>:

> On Mon, 3 Apr 2017 11:25:39 +0200
> Michael Niedermayer <michael at niedermayer.cc> wrote:
>
> > On Mon, Apr 03, 2017 at 07:10:42PM +1000, Timothy Lee wrote:
> > > On 04/03/2017 06:35 PM, Nicolas George wrote:
> > > >Hi. Thanks for the patch.
> > > >
> > > >Le quartidi 14 germinal, an CCXXV, Timothy Lee a écrit :
> > > >>Capture is an input stream capture protocol that dumps the input
> stream to a
> > > >>file.  The default name of the output file is "capture.dat", but it
> can be
> > > >>changed using the "capture_file" option.
> > > >>
> > > >>capture.c borrows heavily from cache.c.
> > > >Can you explain more precisely how and why? Borrowing code often means
> > > >features could be merged or should be more clearly separated,
> depending
> > > >on cases.
> > >
> > > Hi Nicolas,
> > >
> > > Thanks for your quick reply.  Regarding the almost direct copy of
> > > code from cache.c, I previously submitted a patch on 31 March that
> > > adds a "cache_file" option to the cache protocol.  It was intended
> > > to allow a specifically named cache file to serve as a dump of the
> > > input stream.
> > >
> > > Michael Niedermayer explained that his intention was to maintain a
> > > caching system that was more consistent with how a browser's cache
> > > works, and my changes to the cache protocol was not appropriate.
> >
> > both can be done in cache.
> > the primary way of caching in cache.c should be automatic though
> > and not require the user to manually set it up per url
>
> I don't think disk cache management should be in the scope of FFmpeg.
>
Perhaps i misunderstand something, dose he want add CDN(Content Delivery
Network) Cache function into FFmpeg?

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