[PD] soundfiler alternative?
Jack
jack at rybn.org
Tue Feb 28 13:38:29 CET 2017
Le 28/02/2017 à 13:23, José Rafael Subía Valdez a écrit :
> Hello Jack,
>
> thanks for sharing, it still causes audio drops. Does it work for you?
Yes it works.
Try to set the last value in [block~] to 512 (instead of 1024).
++
Jack
>
> cheers?
>
> On Tue, Feb 28, 2017 at 12:12 PM, Jack <jack at rybn.org
> <mailto:jack at rybn.org>> wrote:
>
> 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" <jsubiavaldez at gmail.com
> <mailto:jsubiavaldez at gmail.com>>
> > An: Pd-List <pd-list at lists.iem.at <mailto:pd-list at 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.ressi at gmx.at
> <mailto:christof.ressi at gmx.at>[mailto:christof.ressi at gmx.at
> <mailto:christof.ressi at 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)()]
> <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" <zmoelnig at iem.at
> <mailto:zmoelnig at iem.at>[mailto:zmoelnig at iem.at
> <mailto:zmoelnig at iem.at>]>
> >> An: pd-list at lists.iem.at
> <mailto:pd-list at lists.iem.at>[mailto:pd-list at lists.iem.at
> <mailto:pd-list at 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
> >>
> >>
> >>
> >
> >> _______________________________________________
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> >>
> >
> > _______________________________________________
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> > --
> >
> > José Rafael Subía Valdez
> > www.jrsv.net <http://www.jrsv.net>[http://www.jrsv.net
> <http://www.jrsv.net>]
> >
> >
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> --
> José Rafael Subía Valdez
> www.jrsv.net <http://www.jrsv.net>
>
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