Hi Jack, Yes, that was my mistake; I've now attached both the patch and the abstraction.
Thanks! Nick On Wed, Apr 16, 2014 at 6:00 AM, <pd-list-requ...@iem.at> wrote: > Send Pd-list mailing list submissions to > pd-list@iem.at > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.puredata.info/listinfo/pd-list > or, via email, send a message with subject or body 'help' to > pd-list-requ...@iem.at > > You can reach the person managing the list at > pd-list-ow...@iem.at > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Pd-list digest..." > > > Today's Topics: > > 1. Re: Pd and RME HDSP alsa vs jack performance (Peter P.) > 2. Re: PD List (GEM VideoSynth) (Jack) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 15 Apr 2014 18:40:31 -0400 > From: "Peter P." <p8...@aol.com> > Subject: Re: [PD] Pd and RME HDSP alsa vs jack performance > To: Federico Galland <federicogall...@gmail.com> > Cc: pd-list@iem.at > Message-ID: <20140415224030.gb8...@aol.de> > Content-Type: text/plain; charset=us-ascii > > * Federico Galland <federicogall...@gmail.com> [2014-04-15 17:46]: > > On Tue, 15 Apr 2014 16:07:03 -0400 > > "Peter P." <p8...@aol.com> wrote: > > > > > Hi list, > > > > > > following up onto some earlier postings I had made about the current > > > problems running Pd with any buffersize larger(!) than 5 using alsa, > > > the mmap code and an RME HDSP Multiface on Debian Linux, here are some > > > more results from tests I made recently: > > > > > > Alsa only works with audiobuf smaller 6, otherwise causing totally > > > garbled sound. With that short buffer settings it is unusable for > > > everything more CPU intense than sine test tones though. > > > > > > The only way to get Pd to run reliably under some load on my box using > > > the HDSP is to use jack with 256 frames at 2 periods/buffer. > > > > > > Now what is weird is that the built in soundcard of my box is able to > > > do the same thing without problems with just 64 frames at 3 > > > periods/buffer in jack. > > > > > > Again with the HDSP, once I start adding Gem and let it render a > > > single geo, I do get many audio dropouts unless I increase jack's > > > buffers to a minimum 2048 frames at 2 frames/buffer. > > > > > > I tested this using two different HDSP cards on two different Debian > > > boxes, using the -rt flag, realtime and non-realtime kernels, > > > optional callbacks and different sleegrain setting. > > > > > > Somehow it seems very sad that one of the best pro multichannel sound > > > cards under Linux seems to be unusable with Pd under Alsa reliably. > > > > > > I would like to contribute to any ways of improving this situation and > > > desperately hope that someone can comment on my findings. > > > > > > thank you! > > > best, Peter > > > > > > _______________________________________________ > > > Pd-list@iem.at mailing list > > > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > > > > I guess you have ruled out everything under this wiki > http://wiki.linuxaudio.org/wiki/system_configuration ? > Thank you Federico, > I looked at the page and most suggesstions is stuff I already > considered. > > > > Is the HDSP a PCI interface? If so, pay particular attention to the "pci > bus latency" part. > Well it is a ExpressCard interface in my case, and I wonder if that > qualifies as PCI device. The above pages mentions that PCIe devices > are not affected by the irq priorities as PCI does. > > best, Peter > > > > ------------------------------ > > Message: 2 > Date: Wed, 16 Apr 2014 10:55:40 +0200 > From: Jack <j...@rybn.org> > Subject: Re: [PD] PD List (GEM VideoSynth) > To: Nick Arner <nicholasar...@gmail.com>, pd-list <pd-list@iem.at> > Message-ID: <534e458c.6060...@rybn.org> > Content-Type: text/plain; charset="utf-8" > > Hello Nick, > > Don't forget to reply to all. That could be interresting for other > people on this list. > The document you sent is now a patch (attached). > But what can we do with it ? There is only a single object [video_synth] > on the canvas. It seems to be an abstraction, right ? > You have to send us the patch AND the abstraction. > And where are other objects like [gemwin] ? We are talking about Gem, no ? > ++ > > Jack > > > > 06 59 23 94 69 Andr? > > Le 16/04/2014 01:23, Nick Arner a ?crit : > > Hi Jack, > > > > Thanks for the reply! I've attached the PD patch (it looks like the > > attachment went through this time) > > > > Thanks, > > Nick > > > > -- > > nickarner.com <http://nickarner.com> > > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.puredata.info/pipermail/pd-list/attachments/20140416/f4c72d0c/attachment-0001.htm > > > -------------- next part -------------- > A non-text attachment was scrubbed... > Name: video_synthesis.pd > Type: application/puredata > Size: 55 bytes > Desc: not available > URL: < > http://lists.puredata.info/pipermail/pd-list/attachments/20140416/f4c72d0c/attachment-0001.bin > > > > ------------------------------ > > _______________________________________________ > Pd-list mailing list > Pd-list@iem.at > to manage your subscription (including un-subscription) see > http://lists.puredata.info/listinfo/pd-list > > > End of Pd-list Digest, Vol 109, Issue 52 > **************************************** > -- nickarner.com
video_synth.pd
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video_synthesis.pd
Description: Binary data
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