Now that you mention it - it's likely that I submitted that example plugin during Nuke 5.2, and it's possible something's changed in 6.0+.
I'll try it under 6.2 and see what happens. -jonathan On Feb 14, 2012, at 6:21 PM, Chishing Yip wrote: > Thanks Jonathan, I have read your example, I wrote the first version of my > plugin in 5.3 and I don't remember I had this crash, but now my plugin > crashes in 6.1, 6.2 and 6.3, I don't quite understand what's happening. > > Shing > > On Wed, Feb 15, 2012 at 3:23 AM, Jonathan Egstad <[email protected]> > wrote: > Take a look at my example of this on Nukepedia: > http://www.nukepedia.com/gizmos/plugins/other/dynamicknobs/ > > Caveat: I haven't tested this under 6.3, only in 6.2... > > -jonathan > > > On Feb 14, 2012, at 12:01 AM, Chishing Yip wrote: > > > Hi all, > > > > I have a plugin uses replace_knobs() to create knobs dynamically: > > > > replace_knobs( knob( "my_knob" ), num_of_dyn_knobs, ( > > &createKnobsCallback ) ) > > > > Nuke crashes when replace_knobs() returns, even the createKnobsCallback() > > does nothing: > > void createKnobsCallback( ... ) > > { > > /// nothing to do > > return; > > } > > > > here is the stack trace: > > #1 0x000000000068447c in ?? () > > #2 0x00007ffff73135eb in msort_with_tmp (p=0x7fffffff9f30, b=0x6aaac08, > > n=2) at msort.c:84 > > #3 0x00007ffff7313458 in msort_with_tmp (p=0x7fffffff9f30, b=0x6aaabf8, > > n=4) at msort.c:55 > > #4 0x00007ffff7313448 in msort_with_tmp (p=0x7fffffff9f30, b=0x6aaabf8, > > n=9) at msort.c:54 > > #5 0x00007ffff7313458 in msort_with_tmp (p=0x7fffffff9f30, b=0x6aaabb8, > > n=17) at msort.c:55 > > #6 0x00007ffff7313458 in msort_with_tmp (p=0x7fffffff9f30, b=0x6aaab30, > > n=34) at msort.c:55 > > #7 0x00007ffff7313448 in msort_with_tmp (p=0x7fffffff9f30, b=0x6aaab30, > > n=69) at msort.c:54 > > #8 0x00007ffff73139f0 in qsort_r (b=0x6aaab30, n=69, s=<value optimized > > out>, cmp=0x684468, arg=0x0) at msort.c:298 > > #9 0x0000000000683a88 in ?? () > > #10 0x0000000000683792 in ?? () > > #11 0x00000000006833a2 in ?? () > > #12 0x00007ffff7b39deb in DD::Image::Op::replace_knobs(DD::Image::Knob*, > > int, void (*)(void*, DD::Image::Knob_Closure&), void*) () > > from /usr/local/Nuke6.3v6/libDDImage.so > > > > If I use the knob pointer instead: > > Knob* myKnob = knob( "my_knob" ); > > replace_knobs( myKnob, num_of_dyn_knobs, ( &createKnobsCallback ) ) > > > > then the former crash is gone, but Nuke still crashes when calling > > Knob::set_value() or Knob::set_text() during replace_knobs(): > > void createKnobsCallback( ... ) > > { > > ... > > myFloatKnob->set_value( 1.0 ); /// crashes > > myStringKnob->set_text( "abc" ); /// crashes > > ... > > } > > > > Stack trace: > > #0 0x0000000180000293 in ?? () > > #1 0x00007fffdc8b62e0 in DD::Image::Knob::set_text (this=0x4a54ff0, > > v=0xb0c2ea8 "abc") > > at /usr/local/Nuke6.3v6/include/DDImage/Knob.h:536 > > #2 0x00007fffdc8b2404 in MyPlugin::createKnobsCallback (this=0x4abef60, > > f=...) > > at MyPlugin.cpp:2087 > > #3 0x00007fffdc8b28db in MyPlugin::createKnobsCallback (p=0x4abef60, f=...) > > at MyPlugin.cpp:2387 > > #4 0x0000000000b81727 in ?? () > > #5 0x0000000000b8151a in ?? () > > #6 0x00007ffff7813c92 in DD::Image::Op::replace_knobs(DD::Image::Knob*, > > int, void (*)(void*, DD::Image::Knob_Closure&), void*, char const*) () > > from /usr/local/Nuke6.3v6/libDDImage.so > > > > Is there anything I should be aware to? > > Thanks a lot, > > Shing > > > > > > _______________________________________________ > > Nuke-dev mailing list > > [email protected], http://forums.thefoundry.co.uk/ > > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-dev > > _______________________________________________ > Nuke-dev mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-dev > > > _______________________________________________ > Nuke-dev mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-dev
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