this post was submitted on 04 Sep 2023
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What are the main differences between pipewire and pulseaudio? Which one is better? What are other alternative popular sound servers besides these two?

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[–] [email protected] -3 points 10 months ago (1 children)

I answered below, you can also read on any of the ALSA pages as well as the wiki page for it. Wealth of knowledge on the subject is available

[–] [email protected] 1 points 9 months ago (1 children)

https://www.alsa-project.org/alsa-doc/alsa-lib/pcm.html

After application transfers the data in the memory areas, then it must be acknowledged the end of transfer via snd_pcm_mmap_commit() function to allow the ALSA library update the pointers to ring buffer. This kind of communication is also called "zero-copy", because the device does not require to copy the samples from application to another place in system memory.

When you tell RTFM expect to see manual stating opposite of your point.

[–] [email protected] 0 points 9 months ago

That's still not direct hardware, if you think you cracked the code then by all means show everyone otherwise, this would be a huge deal for a lot of people