[FFmpeg-user] Is FLAC lossless for compression_level > 0?

Mark Filipak markfilipak.imdb at gmail.com
Mon Jun 9 08:21:55 EEST 2025


On 09/06/2025 00.25, Carl Zwanzig wrote:
> On 6/8/2025 5:46 PM, Mark Filipak wrote:
>> That's the so-called specification. I read it. It's vague. Compared to MPEG's specifications, it's 
>> quite vague.
> 
> What's your point? It _is_ the spec for FLAC, no "so-called" about it, and it does not seem that 
> vague to me. Heck, people have actually managed to implement it!

Hey, I'm sorry Z. I seem to have hit a sore spot. My point is that RFC 9639 is vague. I've had to 
struggle and consult and struggle some more to implement hardware and software to vague specs many 
times, so I guess it's a sore spot for me, too. Peace, brother.

> Perhaps it's the MPEG spec that's overly detailed (as many specs seem to be, to their detriment).

A specification cannot be overly detailed -- impossible.



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