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Post AtvGUGN6ZSkhdtn4PQ by [email protected] |
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More posts by [email protected] |
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Post #AruJrAvjnvwo6GU40W by [email protected] |
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@dotstdy @aeva we use it through wgpu_native. a treat |
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Post #AsEwIdmZV2xDFg3C1g by [email protected] |
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if you think about it, vulkan logical device implies the existence of vulkan il… |
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Post #AsEwIdtJ60LFaZCZWa by [email protected] |
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I'm slowly working through the vulkan spec writing a compute-only vulkan pr… |
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Post #AsEwIdzKjbA7tG1Nuy by [email protected] |
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also the tutorials I reviewed all did the annoying thing where the tutorial squ… |
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Post #AsEwIe5iLsGaD30Trc by [email protected] |
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I think it's cute that practically every vulkan command has one or more opt… |
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Post #AsEwIeBjzT5SVjpIG0 by [email protected] |
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ok even with just the compute-only subset vulkan is a slog D: |
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Post #AsEwIeHld3uKoQe6eO by [email protected] |
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I wonder how many people have actually managed to knuckle down and write a comp… |
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Post #AsEwIeN5JIA34v8LwG by [email protected] |
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@aeva this kind of thing was a big motivation for me making Gigi. So we sit and… |
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Post #AsEwIeT6wsyvNbxAKe by [email protected] |
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@aeva when people point at an api or engine interface and ask "why is this… |
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Post #AsEwIeYQd7Ede6RPcW by [email protected] |
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@demofox so, if I'm following this, I can use gigi to describe a compute sh… |
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Post #AsEwIed2LyvBsOb5ns by [email protected] |
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@aeva it doesn't have vulkan code generation yet unfortunately. It's ba… |
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Post #AsEwIejPyG1eCBaBkW by [email protected] |
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@aeva but yeah, that's the idea!You can string a bunch of nodes together in… |
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Post #AsEwIep5dAYwTmEiae by [email protected] |
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@demofox if only we had GPU drivers for Plan9. |
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Post #AsEwIeu3KiX4jAYgKG by [email protected] |
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@Flux @demofox you should simply add GPU drivers to Plan9! |
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Post #AsEwIezizd4N0lDDAO by [email protected] |
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@aeva @demofox I've worked too close to GPUs to think of this as a feasible… |
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Post #AsEwIf4ghB2VG9XAu0 by [email protected] |
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@Flux @aeva what is plan9? Google isn't helping much |
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Post #AsEwIfAMM5ZnXkBhk8 by [email protected] |
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@demofox @Flux @aeva https://en.wikipedia.org/wiki/Plan_9_from_Bell_Labs |
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Post #AsEwIfHRvjFPtjVMnI by [email protected] |
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@dougbinks @demofox @Flux @aeva itβs the future! |
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Post #AsEwIfI9t5oZvvpvto by [email protected] |
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oh, update on my little vulkan compute project, last night I got as far as repe… |
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Post #AsEwIfNTZK4ICQKBBg by [email protected] |
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@photex @dougbinks @demofox @Flux @aeva and it always will be |
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Post #AsEwIfTVCutAV78za4 by [email protected] |
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@jon_valdes @dougbinks @demofox @Flux @aeva I know |
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Post #AsEwIfZWqVi2nnxnyS by [email protected] |
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@photex @jon_valdes @dougbinks @Flux @aeva i took your comments more seriously … |
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Post #AsEwIfeUY3gB3CHli4 by [email protected] |
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@demofox @photex @jon_valdes @dougbinks @Flux there are a lot of cool ideas in … |
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Post #AsEwIfkWBeV3Lt6a6S by [email protected] |
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@aeva @demofox @photex @dougbinks @Fluxabsolutely. It is a pretty cool design. … |
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Post #AsEwIflE914DO5R9Cy by [email protected] |
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Success! I got the vulkan compute shader cranking out the fibonacci series and… |
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Post #AtIUffLLt8CwTBrgIK by [email protected] |
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ok *whew* I finally did it! I implemented convolution reverb as a vulkan compu… |
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Post #AtIUffT9Q8RirNVuS0 by [email protected] |
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it turns out the main difficulty working with vulkan is accidentally breaking y… |
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Post #AtIUffZX2PYBBAV0Oe by [email protected] |
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I reworked it so the convolution shader processes the audio in tandem with play… |
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Post #AtfvYZoJEASwgGKcme by [email protected] |
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I want to power through and get this into a state where I can use it with live … |
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Post #AtfvYZxWftq38qdz9M by [email protected] |
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I reworked some things and now my audio convolving compute shader can convolve … |
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Post #AtfvYa4GGrE5TjnMeG by [email protected] |
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also sometime in the last week I made it so it can operate entirely on a live i… |
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Post #AtfvYaBhpBBHqpHJFg by [email protected] |
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Apparently my best frame time can get as low as 3 ms. I think vulkan should le… |
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Post #AtfvYaIRQ8ZKBiQgka by [email protected] |
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@aeva toot chains like this one remind me that programming is mostly about figh… |
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Post #AtfvYbPvFo9BfCwB3A by [email protected] |
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ok the problem I'm having with latency now is that the audio latency in the… |
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Post #AtfvYc3csBuFeLVsw4 by [email protected] |
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What I want to do is have a fixed size buffer for input and output, enough that… |
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Post #Atfvlo01mh4MS47YtU by [email protected] |
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@lritter personally I object to the common characterization of programmers as b… |
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Post #AtfxfGjAm81BQpFRFw by [email protected] |
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@aeva that's right! we da kool bureaucratz |
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Post #AtfzD0iitcj3aOgtg8 by [email protected] |
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I like that pipewire has an option to not be terrible ("pro audio" mo… |
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Post #AtfzD0oOYXGLrzLQWG by [email protected] |
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99% of audio problems on linux these days are just programmers refusing to just… |
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Post #AtfzD0uQC85EAgAEue by [email protected] |
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want to have low latency audio on linux? we have a tool for it, it's calle… |
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Post #AtfzD10noPBgUT9KrI by [email protected] |
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@aeva *snores in pulseaudio* |
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Post #AtfzPJfwFOrLqiFwlk by [email protected] |
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@lritter how do you make pulse audio laugh on monday |
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Post #AtgCVLjwmamJOVL2nI by [email protected] |
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@lritter you tell it a joke on tuesday π |
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Post #AtgkHpK3OdPvWtwzFA by [email protected] |
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0 likes, 3 repeats |
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@aeva It's been over 20 years since audio made me switch from Linux to Free… |
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Post #Ati0WYMoVm2biBFGuu by [email protected] |
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@david_chisnall the amazing there here is ALSA has had software mixing for ages… |
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Post #Ati0WYTu5PiE4AYvy4 by [email protected] |
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@aeva There was something silly with software mixing in the early days of ALSA … |
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Post #Ati6mR5HxIW9U10LwG by [email protected] |
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@david_chisnall @aeva What are you using on FreeBSD? |
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Post #Ati6mRC1YFuBou9jRA by [email protected] |
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@jimmysjolund @aeva OSS, anything else is a layer on top and rarely brings anyt… |
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Post #Ati6mRIPAX0e8h8pNo by [email protected] |
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@david_chisnall @aeva Ah I misread as "audio production". I have not … |
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Post #Ati6mRNiqlGMPBd4fg by [email protected] |
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@jimmysjolund @aeva Not something Iβm familiar with, but you might be interes… |
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Post #AtiEKEvuL6gPJzgP56 by [email protected] |
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@david_chisnall that was in the aughts, which was 30 years ago |
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Post #AtiEKF1vyhVHcgVDTU by [email protected] |
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@aeva Iβm pretty sure 2025-2022 is not 30. It was around then that I gave up … |
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Post #AtiEKF7xcIK9vNK1rs by [email protected] |
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@david_chisnall linux is kinda dog shit if we're being fair. does bsd grap… |
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Post #AtiEKFDHIWZsBroH9k by [email protected] |
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@aeva FreeBSD has been able to use the same DRI/DRM graphics as Linux for many … |
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Post #AtvGUFoidJFLvFhboO by [email protected] |
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I'm like 30% sure SDL3 is not the problem or at least not the only problem … |
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Post #AtvGUFvoCwuyHF1GrY by [email protected] |
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*spaces out* so anyways, this is usually the point where I'd try to cut thi… |
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Post #AtvGUG2BpE1Qb20MoC by [email protected] |
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so abnormally, this means starting with a pipewire loopback instead and seeing … |
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Post #AtvGUG9HOrh2x1K1rM by [email protected] |
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this makes me unhappy, but the single silver lining here is pipewire's API … |
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Post #AtvGUGFf18nVGoJ7o0 by [email protected] |
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ok I did it. I've got a program that writes a pipewire stream of F64 audio… |
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Post #AtvGUGN6ZSkhdtn4PQ by [email protected] |
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In the first version of this, both programs just measured the time using std::c… |
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Post #AtvGUGUu6SzU25RIZ6 by [email protected] |
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In the second version, I changed the first program to instead calculate elapsed… |
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Post #AtvGUGbzg6f6O4kxcG by [email protected] |
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The samples in the stream are reporting that more time has elapsed in the "… |
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Post #AtvGUGi1JhTyglZm0e by [email protected] |
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anyways, for the curious, I put the source code for the experiment up here http… |
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Post #AtvGUGp6tL9b2ktR3o by [email protected] |
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also interesting is the drift is faster if I have the second program's moni… |
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Post #AtvGUGvqUIXdNe2oYi by [email protected] |
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I think my conclusions from this are1. the latency drift I observed with my exp… |
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Post #AtvGUH2E6Ze5hR1uVM by [email protected] |
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5. the unplayable latency accumulation in my convolution experiment is problema… |
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Post #AtvGUH8biqkY1E10S0 by [email protected] |
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nice, pipewire has some special case stuff for filters |
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Post #AtvGUHGlEXGuQVpW9w by [email protected] |
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holy smokes I got it working :O!! i got my audio convolver working using the p… |
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Post #AtvGUHN8qoNMkIoc6a by [email protected] |
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@aeva sweet, way to go...going to give this a try just because I like to hear s… |
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Post #AtvGUHgdgJyJilwBUm by [email protected] |
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my revised opinion on pipewire is that I like that the API is wizards only. I&… |
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Post #AtvGUI7E5TEt3ENPw8 by [email protected] |
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that or I'm just good at creating wizard problems for myself. either way I… |
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Post #AtvHgLouEv4RyB7cuW by [email protected] |
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@skryking awesome! if you're on linux, clone https://github.com/aeva/convo… |
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Post #AtvHgLwhlvJEMMlr4C by [email protected] |
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@aeva thanks for the howto, was going to dig through code to try to figure out … |
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Post #AtvHgMFUe4L1IdYrLs by [email protected] |
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@skryking if you don't have an appropriate integrated gpu, it should fallba… |
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Post #AtvHsEWzALeGq1PDnc by [email protected] |
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@aeva will it play nice with my rtx 4070 mobile? |
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Post #AtvI7XQlBDY1nWn9Lk by [email protected] |
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@skryking no idea! it needs a unified memory architecture to work, as that all… |
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Post #AtvI7XWQq85K57RgBs by [email protected] |
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@aeva ok ill just give it a try. |
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Post #AtvKkHLJ80UJ6VqGh6 by [email protected] |
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@aeva So I got it running but I'm getting an error and just a clicking soun… |
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Post #AtzMbabH8XNalT8QUa by [email protected] |
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god damn this thing is so fucking cool. I've got it hooked up to my drum m… |
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Post #AtzMbaj4fXcN9emeeG by [email protected] |
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some small problems with this system:1. I've had to turn down the sampling … |
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Post #AtzMbaqAFBHzVe6JhQ by [email protected] |
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I'll probably have to switch to an fft based system for non-realtime convol… |
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Post #AtzMbawXrSORpR5Pe4 by [email protected] |
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this thing is also really good at warming up my laptop XD |
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Post #AtzMbb3dR644BQP4hE by [email protected] |
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idk if I'm done playing around with this prototype yet, but I'd like to… |
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Post #AtzMbbB4zQ1GYVt1Ie by [email protected] |
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probably first is reworking this program so i can change out the convolution ke… |
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Post #AtzMbbJwST6n002676 by [email protected] |
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anyways i highly recommend building your own bespoke audio synthesis pipeline f… |
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Post #AtzMbbPy63vfIgquVU by [email protected] |
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@aeva |
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Post #AtzMbbnMh4e0TFnayW by [email protected] |
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It occurred to me just now that I might be able to make this faster be rewritin… |
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Post #AtzMbcHUt2kNyhtewS by [email protected] |
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Like, having the vertex shader or a mesh shader read the sample from the audio … |
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Post #AtzMbclz3h8LVGA0Se by [email protected] |
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Also FP32 RGBA render targets would probably just batch 4 samples together for … |
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Post #AtzMbdJf2U4XBhutxA by [email protected] |
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I think this should be likely to be a lot faster, because I've made a 2D co… |
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Post #AtzMd76jlCOnsGZsa8 by [email protected] |
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@eniko :3 |
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Post #Au1huK1hT6nyDYBk6i by [email protected] |
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@shinmera @aeva [i know nothing about audio processing so i'm like 99.9% su… |
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Post #Au1huK9qynKKcq0Foe by [email protected] |
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@JamesWidman @shinmera I just try to remember to turn the volume down before te… |
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Post #Au1huKI0UTqh27olWa by [email protected] |
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@aeva @shinmera if i ever do audio programming, i will try to remember to make … |
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Post #Au1hyd8KN5kkdQLJ0S by [email protected] |
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@shinmera mine rewards me with magnificent sounds every time i play with it π |
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Post #Au9N3SwBAC7OghnvBA by [email protected] |
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I figure I should probably start recording my convolution experiments for refer… |
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Post #Au9N3T4Kfsdl5zcQt6 by [email protected] |
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@aeva are you able to time vary the impulse response? I wonder what it would so… |
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Post #Au9N3TBQFWJNRyw5wG by [email protected] |
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@halcy I was thinking about doing something like that but stretching / compress… |
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Post #Au9N3TIrnqGZp4Q2Xg by [email protected] |
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@halcy that would be non-uniform time mutation which may or may not be what you… |
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Post #Au9N3TPbOnec9xZQ2a by [email protected] |
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@aeva yeah no same effect except something something aliasing whatever who car… |
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Post #Au9N3U68qdgKHtTOLY by [email protected] |
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Tonight's second convolution experiment: The same audio book excerpt, but c… |
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Post #Au9N3UcktNllv2jRBI by [email protected] |
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I should remember to try the inverse of the first experiment later (but not ton… |
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Post #Au9N3V9iuo8nZI9lZI by [email protected] |
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I had a really great thing going with the chronopolis sample as the impulse res… |
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Post #Au9N6tEFruXn69tLmq by [email protected] |
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@halcy that's the spirit :3 |
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Post #Au9N6tNTJdutYkCi9Y by [email protected] |
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@halcy no eta, but I'd like to implement something like that |
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Post #AuGDM2ugVPKq2h2tW4 by [email protected] |
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Experiment 3: Impulse response is a clip from the audio book where the guy is d… |
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Post #AuGDM32U2PZcQsh7fk by [email protected] |
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Experiment 4: Same impulse response as the previous one, it's the clip from… |
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Post #AuGDM3AHZPoOp4LLpQ by [email protected] |
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I'm really blown away by what I can do with fm synthesis + convolution. |
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Post #AuGDM3HN93U1B3f0sa by [email protected] |
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Experiment 4a: here's another with that same impulse response and nearly th… |
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Post #AuGDM3PWek0NaLTWaW by [email protected] |
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Experiment 5: in which a clever internet person gives me a home made sound to p… |
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Post #AuGDM3XKBkF9yX7kkC by [email protected] |
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Experiment 6: "snowmeltdown" aka lowfi sounds to show them and show … |
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Post #AuGDM3ePlNumKWRPnM by [email protected] |
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it's ten minutes long but it's ten really good minutes long imo |
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Post #AuNhscLGfufXv9e9j6 by [email protected] |
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@aeva I swear I heard this in a horror movie but I forgot which |
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Post #AuNi1XJGkoeYv5xrt2 by [email protected] |
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@aeva I have notes on shader reflection if you need them :3 |
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Post #AuNi5wspc8JNORhcie by [email protected] |
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@aeva there should be a cmake option to compile out pipewire π€ |
