Hi :)

there's an interesting thread for users in the Linux audio developers 
list. Delayed it will be available here: 
http://lalists.stanford.edu/lad/2009/07/

I guess everybody knows trouble because of a bad plugins. For us users 
this might be a guide which plugins are fine and which can cause 
trouble. Keep in mind that the list below isn't verified and the test 
app might be buggy itself.

Anyway, I guess it can be useful:

Damon Chaplin wrote:
> Hi,
>
> I've been having problems with a few LADSPA plugins recently, so I've
> written a little test app that loads all LADSPA plugins, connects the
> ports and runs them for one cycle. (I've attached it here.)
>
> I've run it on the plugin packages I have installed, using valgrind, and
> the results are:
>
> amb   crashes
> blop  memory errors (patches sent for some of the errors)
> calf  memory errors in Flanger & MultiChorus plugins
> caps  memory errors in 3 plugins
> cmt   memory errors (patches sent)
> fil   OK
> ladspa  memory errors in Sine plugin (mismatched free/deletes)
> mcp   OK
> rev   OK
> swh   crashes
> tap   memory errors in 5 plugins
> vco   OK
>
> Note that not all memory errors are bugs, but most are. (There's also a
> chance that my test app is buggy, rather than the plugins.)
>
> I've sent a few patches for cmt and blop, and will probably try to track
> down the bugs in a few other packages. If others want to help
> (especially the owners of the above packages!) that would be good.
>
> Damon
>   

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