/srv/irclogs.ubuntu.com/2021/07/15/#ubuntustudio.txt

rghhi13:31
rghif I store my alsa mixer settings with `sudo alsactl store` everything seems to be saved but not my headphone switch13:32
rghanytime I reboot ( and start/stop jack I noticed) the Headphones toggle in alsamixer/qasmixer are muted13:34
rghoh, it's a pulseaudio thing it seems13:52
OvenWerksrgh: PCH headphone "plug state" is a hardware based state that pulse reads and "does something with" before studio-controls takes over. Studio-controls should also read that state and it should be able to leave both speaker and HP turned on via scripts at startup if that is what you want.14:38
* OvenWerks would be hard pressed to think exactly how that would be done from CLI at the moment14:41
rghOvenWerks: the plug state only works with jack stopped14:43
OvenWerksrgh: which sounds like a bug or a setting thing. HP device has to be pointed at the internal device of course14:45
OvenWerksrgh: also, the HDA bus spec does not cover some of these things very well and in any case HW designers do wierd things too.14:47
rghIt's a minor inconvenience. 14:47
OvenWerkson top of that, Linux tends to change what it does on plug unplug events as well14:48
rghMy kids already learned how to open qasmixer, select correct hw device and toggle the box. 14:48
OvenWerks:)14:48
rghHe's 10 14:48
rghLinux is hard... Sure 14:48
* OvenWerks would be lost trying to figure the same thing out on windows or mac14:49
rghSelecting the input of your soundcard in windows is a frikking nightmare 14:51
rghBut I guess windows people feel the same about linux. 14:51
OvenWerksI rememeber a friend coming to record a song of his with his win10 laptop. The machine would not even see the USB 2.0 device. We ended up using my old 32bit laptop with jack and Ardour...14:58
OvenWerksThe device was his not mine BTW14:58
* rgh does some practice programming15:01
rghTIL: when you feel smart and smug, try dynamic programming ...15:01
rghthat'll teach ya15:01
rghNew reverb 18:19
rghhttps://github.com/Dougal-s/Aether/releases/tag/v1.0.018:19
YannMonnier[m]Hi, I am working with Blender. What does Ubuntu Studio do more than Ubuntu 20.04 regarding Blender? For example, on 20.04, I am having a headache on Blender as my render is done with my CPU ... Instead of Blender using my amd-gpu with opencl. Does Ubuntu Studio has this fixed?19:25
YannMonnier[m] * Hi, I am working with Blender. What does Ubuntu Studio do more than Ubuntu 20.04 regarding Blender? For example, on 20.04, I am having a headache on Blender as my render is done with my CPU ... Instead of Blender using my amd-gpu with opencl. Does Ubuntu Studio have this fixed?19:32
tomreynYannMonnier[m]: hi there. both Ubuntu and Ubuntu Studio share the same foundation, and (for the most part) software repositories.19:41
tomreyni.e. the blender packages are likely identical, unless they're from a Ubuntu Studio specific PPA.19:42
tomreyni think the shortcoming that the Blender packages in 20.04 LTS don't support OpenCL hardware acceleration is really due to this Blender version not supporting it, yet.19:44
tomreynThe usually well maintained Arch Linux wiki at https://wiki.archlinux.org/title/Blender#Troubleshooting says "Blender only supports the official AMD proprietary drivers for rendering with OpenCL, meaning you will need to install one of the [proprietary] AMD OpenCL drivers"19:47
tomreynBlender's documentation says "AMD drivers are open source, except for the OpenCL support which is available as part of Pro drivers." - which is only part of the story, since there is also mesa-opencl-icd19:49

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