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Plugin issue *CRASH* when looping
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07-12-2009 04:03 PM
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Human being with feelings
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Plugin issue *CRASH* when looping
problems with certain plugins whilst looping. Crash happens directly after a loop.
you can find my posting of this bug here:
http://forum.cockos.com/showthread.p...hlight=looping
certain plugins, apparently amplitube Xgear (more likely the culprit), and pro-53 seem to have major issues with looping.
could this be a problem in reaper, or just the plugin? I do not know.
however, this has been fully reproducible for me on my end.
here is how you do it:
Load amplitube xgear in one track.
get a relatively fast tempo in order to exacerbate the problem.
record a segment at least 2 bars long.
loop the very last bit (maybe 2 - 4 beats)
you should get a buffer repeating crash. |
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Issue Details
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Project
Deprecated REAPER issue tracker
Category Stability
Status Not a Reaper Bug
Priority 2
Affected Version 3.05
Closed Version (none)
Yes votes
0
No votes
0
Assigned Users
(none)
Tags
(none)
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07-12-2009 05:15 PM
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Human being with feelings
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by "buffer repeating crash", you mean - reaper disappears (but keeps running) and a tiny bit of looping audio keeps going?
you might have stumbled on a way to reproduce a different problem i was having... will try and reproduce this tonight.
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07-12-2009 06:40 PM
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Human being with feelings
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no, the audio stops when reaper disappears, but it could still very well be related.
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07-13-2009 01:49 AM
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Human being with feelings
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no, it's a totally different crash but it's reproducible (within a minute or so - you seem to need to start/stop plugins first). note - this is an older version of this.
AppName: reaper.exe AppVer: 3.0.5.0 ModName: amplitubexgear.vpa
ModVer: 0.0.0.0 Offset: 002678ac
looks like an amplitube problem, though
"Unhandled exception at 0x03fb78ac in reaper.exe: 0xC0000005: Access violation writing location 0x08a22000."
happens when anticpative is on or off, and with # audio threads at 1 or 2.
will post project file. i'd say it's not a reaper bug, though.
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07-16-2009 09:48 AM
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Administrator
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At loop edges, Reaper may give plugins a short buffer to process. Although this is allowed in the VST spec, it breaks some plugins, which we specifically blacklist and handle slightly differently (the different handling can cause a slight "tail" glitch at loop edges, which isn't awesome but is better than crashing).
Amplitube 2 and Ampeg SVX are already blacklisted. We'll add X-Gear to the list. If you find any other plugins that crash on loop edges, we'll blacklist them too.
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03-25-2010 11:59 PM
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Human being with feelings
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ni maschine does it too.. but only when i'm looping for about 6 rotations and when i stop playback the audio stumbles over itself(for a longer reapeaat studder stumble if i've let it loop for a longer period of time) and can crash sometimes...it has always stumbled in every version but I only got crashes with a beta version 1.5 of maschine and not the previous versions... :(
I'm running maschine with multiple outputs.. into reaper (kick channel , snare channel , piano channel ,etc )
win 7 reaper 64
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