Re: [FFmpeg-devel] [PATCH] avformat/hls: Revert "reduce default max reload to 3"

[Michael Niedermayer <michael@niedermayer.cc>]

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Hi

On Fri, Feb 07, 2025 at 02:39:56AM +0000, Soft Works wrote:
> 
> 
> > -----Original Message-----
> > From: Steven Liu <lingjiujianke@gmail.com>
> > Sent: Friday, February 7, 2025 3:24 AM
> > To: FFmpeg development discussions and patches <ffmpeg-
> > devel@ffmpeg.org>
> > Cc: softworkz <softworkz@hotmail.com>
> > Subject: Re: [FFmpeg-devel] [PATCH] avformat/hls: Revert "reduce
> > default max reload to 3"
> > 
> > softworkz <ffmpegagent@gmail.com> 于2025年1月19日周日 16:52写道：
> > >
> > > From: softworkz <softworkz@hotmail.com>
> > >
> > > This change has caused regressions for many users and consumers.
> > > Playlist reloads only happen when a playlist doesn't indicate that
> > it
> > > has ended (via #EXT-X-ENDLIST), which means that the addition of
> > future
> > > segments is still expected.
> > > It is well possible that an HLS server is temporarily unable to
> > serve
> > > further segments but resumes after some time, either indicating a
> > > discontinuity or even by fully catching up.
> > > With a segment length of 3s, a max_reload value of 1000 corresponds
> > to
> > > a duration of 50 minutes which appears to be a reasonable default.
> 
> Hi Steven,
> 
> thanks for reviewing
> 
> > I have no opinion about this, lgtm
> 
> Neither do I. As this is a reversion, I meant to say that the original value wasn't irrational as it might have  appeared when the change to 3 was made.
> Whether it's 100, 1000 or 10000 might be debatable, just 3 is way too low, so without any strong reason towards 100 or 10000, I think that going back to the original value makes the most sense.

If 3 is too small and 1000 is too large then try the value in the middle
sqrt(3*1000) = ~50

thx

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The worst form of inequality is to try to make unequal things equal.
-- Aristotle

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