I guess Martin was more talking about this solution (see patch attached). ++
Jack Le 28/02/2017 à 12:35, Christof Ressi a écrit : > José, I think I have a solution which might work for you. see my attached > patch. it's not a clean abstraction but rather demonstrates the principle. > > basically, I spread the loading of the soundfile over several DSP blocks and > you can adjust how many samples to load in one block. 44100 samples, for > example, works fine for me (no dropouts), which means I can load 1 second of > audio in 1.5 ms or 10 minutes in 900 ms! > > note that it needs soundfile_info from iemlib. > > [soundfiler] will vomit at you in the Pd console but you can simply ignore it > by setting the log level to 0. > > Anyway, I'm really thinking of turning it into an external because there some > inefficiencies I could get rid off. Most notably, I have to use an > intermediate buffer plus |read -resize -maxsize ...( to prevent [soundfiler] > from reading the file always till the end because it doesn't have -nframes as > an read option (which is unfortunate). > > Hope that helps! > > Christof > > Gesendet: Dienstag, 28. Februar 2017 um 07:42 Uhr > Von: "José Rafael Subía Valdez" <jsubiaval...@gmail.com> > An: Pd-List <pd-list@lists.iem.at> > Betreff: Re: [PD] soundfiler alternative? > > Thank you all.. > > but I am developing patches that are handed to performers and should work out > of the box, I can't depend on the expensive machines and RAM-DISK settings > because I can not tell my performers - you need to do all of this and invest > in your computer first before you play my music. Why? because this is > something I am doing for my PhD. Yes..saying "buy a fancy computer with lots > of RAM" is easier in Europe or the US than in other places of the world and > that is not my aim. I am trying to squeeze the best solutions on any type of > machine and to provide people that are not necessary computer music users > with the friendliest setup I can think of. > > the computer I am programming this is a iMac from 2007 with 4 gb of RAM. I > have many processes including FFT, but thanks to switch~ I am able to > optimize the patch. I just have this problem that causes audio drops when > loading each sample. So not really wanna discuss finances. > > Thanks again > > > On Mon, Feb 27, 2017 at 11:35 PM, Christof Ressi > <christof.re...@gmx.at[mailto:christof.re...@gmx.at]> wrote:> i keep > forgetting of abominations like running a 32-bit Pd on a 64-bit OS. > > Actually, the average Windows user will have more 32-bit apps than 64-bit > apps running on their 64-bit OS ;-). > And most Pd users on 64-bit Windows will have a 32-bit Pd because Miller > doesn't offer 64-bit binaries yet and building from source is still > impossible (at least with MinGW). > >> decent OSs should be able to manage more than a total 4GB of RAM even >> when the entire OS is 32bit (a single application will not be able to >> address more than 2^32 bytes though; but it should get you closer to >> really having 4GB, rather than 2GB) > > on 32-bit Windows you usually get 2 GB per process - or 3 GB with some > tricks*. on 64-bit Windows it's 2 GB for 32-bit processes unless you compile > with IMAGE_FILE_LARGE_ADDRESS_AWARE set, then you get 4 GB. > > here are the boring details: > https://msdn.microsoft.com/en-us/library/aa366778(VS.85).aspx?ranMID=24542&ranEAID=TnL5HPStwNw&ranSiteID=TnL5HPStwNw-Z6NjEgcaJn8pbbYAema89g&tduid=(94e0b4bf83daa242de97c8bfb531e5d9)(256380)(2459594)(TnL5HPStwNw-Z6NjEgcaJn8pbbYAema89g)()[https://msdn.microsoft.com/en-us/library/aa366778(VS.85).aspx?ranMID=24542&ranEAID=TnL5HPStwNw&ranSiteID=TnL5HPStwNw-Z6NjEgcaJn8pbbYAema89g&tduid=(94e0b4bf83daa242de97c8bfb531e5d9)(256380)(2459594)(TnL5HPStwNw-Z6NjEgcaJn8pbbYAema89g)()] > > > I actually I didn't know about IMAGE_FILE_LARGE_ADDRESS_AWARE until now. > Miller could actually use it in his 32-bit Windows builds, which currently > only allow 2 GB**. It won't do any harm on 32-bit systems and doubles the > available memory on 64-bit systems. > >> fun fact: on linux, you can use 64bit Pd for >10 years with virtually >> all external libraries working. > > :-o. time to finally get my dual boot. I weren't so lazy... > > > Christof > > > * IMAGE_FILE_LARGE_ADDRESS_AWARE set + 4GT enabled (risky) > ** I tested this with latest vanilla 32-bit binaries on Windows 7 64-bit > (with 16 GB of RAM installed). I get a warning when I try to exceed 2 GB. > > > >> Gesendet: Montag, 27. Februar 2017 um 22:58 Uhr >> Von: "IOhannes m zmölnig" <zmoel...@iem.at[mailto:zmoel...@iem.at]> >> An: pd-list@lists.iem.at[mailto:pd-list@lists.iem.at] >> Betreff: Re: [PD] soundfiler alternative? >> > >> On 02/27/2017 10:45 PM, Christof Ressi wrote: >>>> well, [table] stores the samples as floating point (taking 4 bytes per >>>> sample; and 8 byte on 64bit systems), >>> It depends on your Pd (32-bit or 64-bit), not on the system. >> >> well yes, true. >> i keep forgetting of abominations like running a 32-bit Pd on a 64-bit OS. >> >>> >>>> however, there is a simple solution at hand: get youself plenty of RAM >>>> and pre-load everything into tables. >>>> 32GB cost about 250,-€ and will allow you to load approx. 24h of raw >>>> audio, which is probably enough. >>> Unfortunately, this is only true for 64-bit processes. A single 32-bit >>> process can't handle more than 2^32 bytes (~4 GB). In reality, it's even >>> less, usually 2 GB, which is a bit more than 1,5 hours of stereo audio >>> @44100 Hz. Pd will give you a warning when you try to exceed this limit >>> ("pd: resizebytes() failed - out of memory"). >> >> how much RAM does that machine have? >> decent OSs should be able to manage more than a total 4GB of RAM even >> when the entire OS is 32bit (a single application will not be able to >> address more than 2^32 bytes though; but it should get you closer to >> really having 4GB, rather than 2GB) >> >> but yes, in order to make use of 32GB of memory you need a native 64bit >> application (running on a 64bit OS). >> >> fun fact: on linux, you can use 64bit Pd for >10 years with virtually >> all external libraries working. >> >> gmsr >> IOhannes >> >> >> > >> _______________________________________________ >> Pd-list@lists.iem.at[mailto:Pd-list@lists.iem.at] mailing list >> UNSUBSCRIBE and account-management -> >> https://lists.puredata.info/listinfo/pd-list[https://lists.puredata.info/listinfo/pd-list] >> > > _______________________________________________ > Pd-list@lists.iem.at[mailto:Pd-list@lists.iem.at] mailing list > UNSUBSCRIBE and account-management -> > https://lists.puredata.info/listinfo/pd-list[https://lists.puredata.info/listinfo/pd-list] > > -- > > José Rafael Subía Valdez > www.jrsv.net[http://www.jrsv.net] > > > _______________________________________________ Pd-list@lists.iem.at mailing > list UNSUBSCRIBE and account-management -> > https://lists.puredata.info/listinfo/pd-list[https://lists.puredata.info/listinfo/pd-list] > > > > _______________________________________________ > Pd-list@lists.iem.at mailing list > UNSUBSCRIBE and account-management -> > https://lists.puredata.info/listinfo/pd-list >
load_sound_wo_click.pd
Description: application/puredata
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