[PD] pack/unpack pointer data

Michael-Jon Mizra mmizra at live.co.uk
Sun Jun 28 00:26:45 CEST 2015


Hi Jack, 
my webcam is taking in data via pix_film, I wish to unpack this data into float to control translationXYZ and rotationXYZ. at the minute I try to unpack it with [unpack f] or [unpack s] but the console spits out an error, type mismatched I get 'bad type' if I try [unpack a] 

maybe I'm approaching the task with the wrong process - but I want the webcam movement to feedback and control translations/rotations 
all recommendations wanted,
all the best 
michael-jon (mj) 

> From: pd-list-request at lists.iem.at
> Subject: Pd-list Digest, Vol 123, Issue 113
> To: pd-list at lists.iem.at
> Date: Sat, 27 Jun 2015 21:51:07 +0200
> 
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> Today's Topics:
> 
>    1. Re: URL Audio to PD (IOhannes m zmölnig) (Francesco Redente)
>    2. Re: URL Audio to PD (Alexandre Torres Porres) (Francesco Redente)
>    3. Re: URL Audio to PD (Alexandre Torres Porres)
>       (IOhannes m zmölnig)
>    4. pack/unpack pointer data (Michael-Jon Mizra)
>    5. Re: pack/unpack pointer data (Jack)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sat, 27 Jun 2015 13:09:29 +0100
> From: Francesco Redente <f.redente at sae.edu>
> To: pd-list at lists.iem.at
> Subject: Re: [PD] URL Audio to PD (IOhannes m zmölnig)
> Message-ID: <737DC43E-FEA5-4642-AE1A-C45C0B03896E at sae.edu>
> Content-Type: text/plain; charset=iso-8859-1
> 
> Hi, IOhannes, 
> 
> Thank you for the replay. 
> Jack sounds like a good solution, however i cannot randomise the URL request. ? 
> 
> I really wanted to make it all inside PD, but I guess that's not possible?
> 
> Thank you for you help. 
> 
> Best
> 
> Franky
> 
> 
> 
> 
> On 27 Jun 2015, at 11:00, pd-list-request at lists.iem.at wrote:
> 
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> > than "Re: Contents of Pd-list digest..."
> > 
> > 
> > Today's Topics:
> > 
> >   1. Re: URL Audio to PD (IOhannes m zmölnig)
> >   2. Re: Troubles running Pd on Windows XP Professional (Roman Haefeli)
> > 
> > 
> > ----------------------------------------------------------------------
> > 
> > Message: 1
> > Date: Fri, 26 Jun 2015 22:42:07 +0200
> > From: IOhannes m zmölnig <zmoelnig at iem.at>
> > To: pd-list at lists.iem.at
> > Subject: Re: [PD] URL Audio to PD
> > Message-ID: <558DB91F.7000608 at iem.at>
> > Content-Type: text/plain; charset="utf-8"
> > 
> > On 06/26/2015 10:14 PM, Alexandre Torres Porres wrote:
> >> i guess you can use software to route audio from the browser to pd, may
> >> this one works https://www.rogueamoeba.com/audiohijack/
> > 
> > or just use jack.
> > 
> > fgmdsar
> > IOhannes
> > 
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> > ------------------------------
> > 
> > Message: 2
> > Date: Sat, 27 Jun 2015 08:15:59 +0200
> > From: Roman Haefeli <reduzent at gmail.com>
> > To: pd-list at lists.iem.at
> > Subject: Re: [PD] Troubles running Pd on Windows XP Professional
> > Message-ID: <1435385759.4033.55.camel at yoyo5>
> > Content-Type: text/plain; charset="UTF-8"
> > 
> > On Fre, 2015-06-26 at 21:46 +0200, IOhannes m zmölnig wrote:
> >> On 06/24/2015 06:05 PM, Roman Haefeli wrote:
> >>> Assuming it might be a specialty of the install medium I used back then,
> >>> I got another copy of Windows XP as an .ova-file from here:
> >>> http://dev.modern.ie/tools/vms/#downloads
> >> 
> >> 
> >> though i'm under the impression that these VM images are mainly for
> >> testing IE - which may imply that the XP installation is deliberately
> >> stripped down compared to a "normal" installation. (which might explain
> >> your problems)
> > 
> > I'm under the impression that is not the case. I mean they're certainly
> > intended for IE testing, but I don't have any reason to think they're
> > stripped down. I installed all kinds of other tools on it
> > (GitExtensions, TortoiseSVN, mingw-w64, MSYS) and they all work fine. 
> > 
> > Also, I have this problem _not only_ on this IE testing appliance, but
> > also with two different installations of Windows XP from an original CD.
> > I don't know what medium Chris McCormick used to install, but he has the
> > same problem, too.
> > 
> > People having used Windows XP over years very likely installed software
> > that ships with the redistributable Pd is asking for. So that is
> > probably why only some people experience this kind of problem while many
> > others don't. The Windows XP VirtualBox VM (not the
> > modern.ie-test-appliance) I initially experienced that problem withj I'm
> > using only for a single purpose and that is why I never installed
> > anything on it but the software used to fulfill the single purpose. 
> > 
> > Now, I'm using this machine also for building and testing Pd and
> > externals.
> > 
> > Roman
> > 
> > 
> > 
> > 
> > 
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> 
> 
> ------------------------------
> 
> Message: 2
> Date: Sat, 27 Jun 2015 13:12:57 +0100
> From: Francesco Redente <f.redente at sae.edu>
> To: pd-list at lists.iem.at
> Subject: Re: [PD] URL Audio to PD (Alexandre Torres Porres)
> Message-ID: <349BEA2E-C4EF-4EB7-99E4-EBB10BFBECC2 at sae.edu>
> Content-Type: text/plain; charset=iso-8859-1
> 
> HI Alexandre, 
> 
> Thank you for the reply. 
> I already use Audiohijack, that were I got the idea from, but I want to make a PD patch.. with out having to use and external app to route the URL audio into PD. 
> 
> Thank you anyway. 
> 
> Best 
> 
> Franky 
> 
> 
> On 26 Jun 2015, at 21:15, pd-list-request at lists.iem.at wrote:
> 
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> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of Pd-list digest..."
> > 
> > 
> > Today's Topics:
> > 
> >   1. Re: Troubles running Pd on Windows XP Professional
> >      (IOhannes m zmölnig)
> >   2. Re: URL Audio to PD (Alexandre Torres Porres)
> > 
> > 
> > ----------------------------------------------------------------------
> > 
> > Message: 1
> > Date: Fri, 26 Jun 2015 21:46:20 +0200
> > From: IOhannes m zmölnig <zmoelnig at iem.at>
> > To: pd-list at lists.iem.at
> > Subject: Re: [PD] Troubles running Pd on Windows XP Professional
> > Message-ID: <558DAC0C.3060803 at iem.at>
> > Content-Type: text/plain; charset="utf-8"
> > 
> > On 06/24/2015 06:05 PM, Roman Haefeli wrote:
> >> Assuming it might be a specialty of the install medium I used back then,
> >> I got another copy of Windows XP as an .ova-file from here:
> >> http://dev.modern.ie/tools/vms/#downloads
> > 
> > 
> > though i'm under the impression that these VM images are mainly for
> > testing IE - which may imply that the XP installation is deliberately
> > stripped down compared to a "normal" installation. (which might explain
> > your problems)
> > 
> > mdsr
> > IOhannes
> > 
> > 
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> > 
> > ------------------------------
> > 
> > Message: 2
> > Date: Fri, 26 Jun 2015 17:14:49 -0300
> > From: Alexandre Torres Porres <porres at gmail.com>
> > To: Francesco Redente <f.redente at sae.edu>
> > Cc: "pd-list at lists.iem.at" <pd-list at lists.iem.at>
> > Subject: Re: [PD] URL Audio to PD
> > Message-ID:
> > 	<CAEAsFmgpe3xhBOxRSWD4TWstFCLmGQPX_Cw9ChTE58KfSgw5Ew at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> > 
> > i guess you can use software to route audio from the browser to pd, may
> > this one works https://www.rogueamoeba.com/audiohijack/
> > 
> > 2015-06-26 6:52 GMT-03:00 Francesco Redente <f.redente at sae.edu>:
> > 
> >> I there, I hope you are good. My name is Franky, I am new PD user
> >> 
> >> I would like to create a PD patch designed to perform realtime sampling
> >> from random URL-web (for example youtube or soundcloud).
> >> Basically a WebAudio sampler, but as part of a live performing patch.
> >> 
> >> I would like to  send/bang random URL requests and capture/rec the audio
> >> stream, of such URLs, into PD.
> >> 
> >> I have been advised by my uni lecturer to  use " mrpeach objects in
> >> connection with a python script to run youtube-dl ".
> >> He also advised me to mail this list to check if there are any new objects
> >> which will accomplish that, similar to the jweb object in max/msp 7.
> >> 
> >> Could you please be so kind to advice me the best way I should approach
> >> this?
> >> 
> >> Thank you,
> >> 
> >> Best ,
> >> 
> >> 
> >> Franky
> >> 
> >> 
> >> *Francesco Redente*
> >> *EMP Lecturer*
> >> 
> >> 
> >> 
> >> 
> >> Phone: +44 (0) 207923 9159
> >> <http://uk.sae.edu/en-gb/home/>
> >> Web:  <http://uk.sae.edu/en-gb/home/>uk.sae.edu
> >> <http://uk.sae.edu/en-gb/home/>
> >> 
> >> 
> >> 
> >> 
> >> 
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> 
> ------------------------------
> 
> Message: 3
> Date: Sat, 27 Jun 2015 16:36:40 +0200
> From: IOhannes m zmölnig <zmoelnig at iem.at>
> To: pd-list at lists.iem.at
> Subject: Re: [PD] URL Audio to PD (Alexandre Torres Porres)
> Message-ID: <558EB4F8.3020701 at iem.at>
> Content-Type: text/plain; charset="utf-8"
> 
> On 06/27/2015 02:12 PM, Francesco Redente wrote:
> > HI Alexandre, 
> > 
> > Thank you for the reply. 
> > I already use Audiohijack, that were I got the idea from, but I want to make a PD patch.. with out having to use and external app to route the URL audio into PD. 
> 
> 
> why would you want to do that? (the only reason that comes to my mind is
> showing off that you *can* do it; apart from that i don't think there is
> any benefit).
> 
> Pd is good in audio processing; it's less good in creating webpages or
> editing xlsx files. this is a good thing: you don't want to do audio
> programming in excel or minesweeper, do you?
> 
> gfmards
> IOhannes
> 
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> ------------------------------
> 
> Message: 4
> Date: Sat, 27 Jun 2015 20:05:58 +0100
> From: Michael-Jon Mizra <mmizra at live.co.uk>
> To: "pd-list at lists.iem.at" <pd-list at lists.iem.at>
> Subject: [PD] pack/unpack pointer data
> Message-ID: <DUB122-W11E87C9E8CD4CD27D2DC5DFEAC0 at phx.gbl>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> Hi, 
> any help would be greatly appreciated, thank you - my data input is a webcam feed, I am trying to use this feed to create rotational / translational movement. I assumed unpacking the pointer data as a float to control the parameters would work best, corrections welcomed
> michael-jon  		 	   		  
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> ------------------------------
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> Message: 5
> Date: Sat, 27 Jun 2015 21:50:57 +0200
> From: Jack <jack at rybn.org>
> To: pd-list at lists.iem.at
> Subject: Re: [PD] pack/unpack pointer data
> Message-ID: <558EFEA1.4010801 at rybn.org>
> Content-Type: text/plain; charset=utf-8
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Hello,
> 
> Hmm, sorry, i really can't understand your question, can you develop ?
> ++
> 
> Jack
> 
> 
> 
> Le 27/06/2015 21:05, Michael-Jon Mizra a écrit :
> > Hi,
> > 
> > any help would be greatly appreciated, thank you - my data input is
> > a webcam feed, I am trying to use this feed to create rotational / 
> > translational movement. I assumed unpacking the pointer data as a
> > float to control the parameters would work best, corrections
> > welcomed
> > 
> > michael-jon
> > 
> > 
> > _______________________________________________ 
> > Pd-list at lists.iem.at mailing list UNSUBSCRIBE and
> > account-management -> http://lists.puredata.info/listinfo/pd-list
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