03:08 <i509vcb[m]> Before I wind up binding libraries or reinventing the wheel, has someone here been working on audio codec libraries for embedded targets in Rust?

03:08 <i509vcb[m]> I of course am trying to make sure I don't turn a "oh writing a FLAC decoder probably isn't that hard" into a 3 month project

03:18 <i509vcb[m]> My slightly more lazy option is to heavily borrow code from Symphonia

03:18 <i509vcb[m]> Which is acceptable for me since the final binary for my audio stuff is going to be GPL anyways...

04:36 <i509vcb[m]> Yes it is MPL 2.0

04:36 <M9names[m]> you know symphonia isn't gpl licensed, right?

04:36 <i509vcb[m]> But even MPL 2.0 isn't an issue for me

04:45 <i509vcb[m]> Although running out of compute is probably my larger concern...

04:45 <i509vcb[m]> I potentially be may be doing decode from flac and encode to lc3 at the same time...

06:35 <ckrenslehner[m]> From TWIR: https://jslazak.com/are-we-embedded-yet-0/

06:35 <ckrenslehner[m]> That's 🆒! 👾

06:36 <ckrenslehner[m]> I hope TWIR is actually an official abbreviation of "this week in rust" 😆

14:00 <thejpster[m]> I was on a podcast. It was fun! I talk about Rust, obviously.

14:00 <thejpster[m]> https://embeddedcomputing.com/technology/software-and-os/ides-application-programming/devtalk-with-rich-and-vin-rust

14:05 <thejpster[m]> Although apparently they don’t do any editing and just leave in nine seconds of dead air? Wild.

14:25 <thejpster[m]> I hope t-libs don’t come at me for claiming they chose performance over code size in the standard library.

14:25 <diondokter[m]> thejpster[m]: No, they'd agree

14:26 <diondokter[m]> That's why the 'optimize_for_size' flag now exists (unstably)

14:27 <thejpster[m]> I’m pretty sure Vin was quoting from that Danish programming language study that I recall was problematic but I didn’t remember why so I didn’t want to get into it.

14:29 <JamesMunns[m]> I said this in 2019 (whew) and nobody contradicted me:... (full message at <https://catircservices.org/_irc/v1/media/download/AYaciEp8lF4pK9In9HJih3jFBzfJAS9kZTX6f_83NFDu1QEjKt2J-zTbLoIferw0iE_ZcZLfaocCegEgn5cmFKW_8AAAAAAAAGNhdGlyY3NlcnZpY2VzLm9yZy9SamtIU0FGc21mdkRESWlQbk1aZFpNcHc>)

14:29 <JamesMunns[m]> (from https://jamesmunns.com/blog/fmt-unreasonably-expensive/)

14:30 <JamesMunns[m]> IIRC item 2 was REALLY important for compile times in the early days of rust, monomorphizing every print made things go really exponentially bad

15:02 <thejpster[m]> I sent them a set of questions but they didn’t really ask any of them, so I had to do all this on my feet.

17:12 <cr1901> I wish it more tractable to figure out why in deeply embedded environments without an output sink for text, rustc/LLVM thinks there's a possibility that the panic/format strings can be seen by a user

17:13 <JamesMunns[m]> Because at some point it became advantageous to allow the optimizer to run out of fuel

17:13 <cr1901> format stuff taking dyn object probably doesn't help

17:16 <cr1901> I aesthetically dislike the various "don't bring in the formatting machinery at all" bandaids (immediate_abort, optimize_for_size), but when I think about "why doesn't C have this problem?", well... C probably would have this same problem if formatting machinery were opt-out rather than opt-in :P

17:19 <JamesMunns[m]> yeah, I think it's decently hard to "prove" to the optimizer that nothing is using the dyn formatting machinery

17:23 <diondokter[m]> Optimize for size makes fmt a little bit smaller. For example, integers up to usize are all formatted as usize iirc. The float fmt normally has two algo's. A fast one that can fail and a slow fallback one. With optimize for size it always uses the fallback

17:23 <diondokter[m]> So, no trickery there!

19:34 <dngrs[m]> on a related note I'd really like to have more sophisticated tools for auditing potential panic sites

19:34 <dngrs[m]> auditing and also flagging as e.g. #[may_panic]

19:34 <dngrs[m]> s/#/`#/, s/may_panic/ok_to_panic/, s//`/

19:35 <dngrs[m]> s/#/`#/, s/may_panic/allow(panic)/, s//`/

19:58 <danielb[m]> yeah the panic_never crate would be awesome if we could actually see what triggers it to fail ^^

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