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 Forum index » Instruments and Equipment » WREN
Instant error window cascade requiring TASKKILL?
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Duckett



Joined: Apr 20, 2015
Posts: 8
Location: Richmond VA

PostPosted: Mon Apr 20, 2015 11:25 pm    Post subject: Instant error window cascade requiring TASKKILL? Reply with quote  Mark this post and the followings unread

(OS is Win 7 x64 btw)
I would surely love to give WREN a spin-
but after following the directions as shown in the FAQ and attempting to run it,
I am immediately greeted by a cascade of (what I assume to be identical repeated) error windows,
the last of which reads

Access violation of address 0070BE58 in module 'wren.exe'. Read of address 00000028.

The cursor rapidly flickers between the customary arrow and the "Blue Whirl of 'Wait' ".
WREN's killed easily enough from cmd, but that's the only way to do so.

If I missed this already being addressed somewhere, I apologize- but it just seems like something relatively simple that I'm drawing a blank on;
I made sure WREN wasn't being blocked, and it's nesting comfortably in its own folder on C: well away from any Microsoft folders-
and I see nothing here or on the WREN homepage about this problem.. therefore I ask ye kindly for a helping hand Wink

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Blue Hell
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Joined: Apr 03, 2004
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Location: The Netherlands, Enschede
Audio files: 203
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PostPosted: Tue Apr 21, 2015 6:41 am    Post subject: Reply with quote  Mark this post and the followings unread

Oh dear .. it never does that at home Shocked

Not at work either BTW .. having win7-64 there as well .. at home I use win8 ...

Maybe a DLL is missing? Best to download the zip to have everything.

But when you did that and it still crashes .. you could try renaming portaudio.dll ... repeated crashes may indicate it crashes in there and without portaudio.dll it should at least run in legacy mode, be it with lousy latency.

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Jan
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Blue Hell
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PostPosted: Tue Apr 21, 2015 6:42 am    Post subject: Reply with quote  Mark this post and the followings unread

Oh, and welcome to the forums!
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Duckett



Joined: Apr 20, 2015
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Location: Richmond VA

PostPosted: Thu Apr 23, 2015 10:44 am    Post subject: Reply with quote  Mark this post and the followings unread

Thank you for the prompt and helpful reply!

So- after getting completely distracted online due to searching for "PortAudio errors" (but re-acquainting myself with such fun things as Cecilia, SoundGrain , SPEAR etc.)
I did as suggested, and lo and behold, it worked (Hooray!) Now my next newbie source of puzzlement:

From what I can tell, WREN requires a virtual server connection to recieve MIDI messages, using the NetMIDI program.
I start NetMIDI, set my Axiom controller as Rx, my Saffire as Tx (my usual setup for other progs) and der blinkenlights flash appropriately within NetMIDI.
The server's named "new", NetMIDI says the port is 1024.
In WREN's settings, I then set the server to "new", port to 1024, apply, hit the connect button, and WREN's c/r/t blinkenlights show nothing.
I tried closing WREN, and making sure NetMIDI was running before WREN was started- tried the "autoconnect" option to see if that made a difference- no joy.
What am I doing wrong? Sorry for being a pain, but again I'd hate to miss out on the WREN fun due to my own lack of effort..

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Blue Hell
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PostPosted: Thu Apr 23, 2015 1:18 pm    Post subject: Reply with quote  Mark this post and the followings unread

You run NetMIDI on the same PC I guess as Wren .. in that case in Wren the server should be set to localhost or to 127.0.0.1.

The name as set in NetMidi is just a comment really. Connections should show up in NetMidi as a dotted IP address as well .. in the box left of the lights.

You should set Disable Nagle to on - when that's not the default - I forgot - BTW .. to have a bit less latency.

When you can not get it to work with NetMidi .. it should also be possible to use MidiTangle ... both tools use raw midi over IP.

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Duckett



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Location: Richmond VA

PostPosted: Thu Apr 23, 2015 3:09 pm    Post subject: Reply with quote  Mark this post and the followings unread

Ah- joy is now to be had... Thanks a million!
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Blue Hell
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Joined: Apr 03, 2004
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Location: The Netherlands, Enschede
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G2 patch files: 319

PostPosted: Thu Apr 23, 2015 4:10 pm    Post subject: Reply with quote  Mark this post and the followings unread

Great .. still the PortAudio issue then .. you may be able to find a better working DLL somewhere .. a lot of audio programs use it. Wren looks for a specific name of the DLL (portaudio.dll) so when you want to try another one you'll have to make a renamed copy of it, probably.

May there be some fun in it for you :-)

Edit: added a Wren FAQ entry for this - but it basically just points to this thread here.

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Duckett



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Location: Richmond VA

PostPosted: Thu Apr 23, 2015 8:43 pm    Post subject: Reply with quote  Mark this post and the followings unread

That's what spurred me to sail off into google-land- I knew I have other programs that use PortAudio; but yet couldn't find a DLL for it in any of their folders.
In any case, if I find a working one or some other solution, I'll reply here again that future folks may benefit.

FWIW I haven't been having enormous latency issues, but that may be due to a relatively fast machine (i7 970) and a decent audio interface (Saffire Pro 14, which has its own ASIO drivers).

Thanks again, and maybe I'll have some decent patches/noodles to share after getting comfy with WREN Wink

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