Hi guys, Just talked to Chris Cannam regarding some questions I had about his library, for those interested:
--- Begin Message ---2008/4/23 Albert Santoni <[EMAIL PROTECTED]>: > I'm a developer from Mixxx (http://www.mixxx.org), and I was wondering > if Rubberband is thread-safe/re-entrant. I'm thinking about > experimenting with using your library to do some realtime stretching on > our tracks inside Mixxx, and I couldn't find information on your website > about this. (SoundTouch isn't thread-safe, as we learnt the hard way...) > > Any insight or advice is much appreciated! Albert, Rubber Band is thread-safe, in the sense that multiple instances of RubberBandStretcher may be created and used in separate threads concurrently without any further locking and without affecting each others' behaviour. The code is completely intended to support this and if you experience any problems with it I would like to know so I can fix them. For any single instance of RubberBandStretcher, you may not call process() more than once concurrently, and you may not change the time or pitch ratio while a process() call is being executed (this assumes a stretcher created in "real-time mode"; in "offline mode" you can't change the ratios during use anyway). So you can run process() in its own thread if you like, but if you want to change ratios dynamically from a different thread, you will need some form of mutex in your code. Changing the time or pitch ratio is real-time safe, so for most applications that may change these dynamically it probably makes most sense to do so from the same thread as calls process() even if that is a real-time thread. > P.S. Do you mind if I forward your reply to our developers' mailing > list? Not at all, go ahead. If you can send me a link to an archive of the thread, that would be good (so I can read the context). Thanks, Chris
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