On Sunday 07 May 2006 22:12, David Akbari wrote:

> It appears that the Winsound frontend does correctly perform with FLTK 
> widget opcodes [0]. It is uncertain however, if they are in a separate 
> thread from the audio.

Winsound does not use threads, as far as I know.

> Trying the same csd file [4] with csound5gui, disabling perform in a 
> separate thread [1], I get the behavior described in a previous email 
> [2]. Strangely, it seems that disabling perform audio in a separate 
> thread for the csound5gui frontend does not produce sound even in csd 
> files that do not have FLTK widgets, however the sound driver is 
> initialized and all steps leading up to a typical Csound performance 
> appear correct.

This, combined with the fact that Winsound does work, is an important
information, and suggests that the problems are in fact not related to
the widget opcodes, but rather using the "synchronous" mode on the Mac
in general. I will have a look at this and try to find out why disabling
the separate thread does not work; also, as an experiment I can make
changes to allow the use of widgets (but not graphs) even when performing
in a separate thread.


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