Re: [FFmpeg-devel] STF Idea: Check I/O calls in avformat (robustness)

[Michael Niedermayer <michael@niedermayer.cc>]

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Hi Derek

On Mon, Jun 02, 2025 at 06:08:17PM +0100, Derek Buitenhuis wrote:
> Hi,
> 
> Dropping this grenade in here then unsubscribing.
> 
> I see a lot of discussion on FEC, protocols, etc. for STF.
> 
> But having those is almost pointless given avformat doesn't even check
> read and write calls in most places (even ignoring ensured seekbacks,
> buffer, etc.).
> 
> A quick grep shows ~462 unchecked avio_r*, for example.
> 
> What this means is that avformat itself is basically ununsuable in
> anything but perfect network conditions.
> 
> Given STF is supposed to be used for useful stability and maitenence
> work, I propose a project to properly check I/O in avformat, so that
> any hiccup doesn't explode everything in unexpected ways.
> 
> This exactly the sort of slog (boring, tedious, but extremely useful)
> that requires someone being paid to do to get done.

I think this is a great idea

thx

[...]

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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Modern terrorism, a quick summary: Need oil, start war with country that
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