On Thu, 16 Dec 2010 22:24:18 +0200, Hannu Savolainen <ha...@opensound.com> wrote: > Hi, > > MIXF_POLL tells that the value may change when the state of the > device > changes. For this reason the application should check the value > periodically (for example once per second) and to update the GUI if > the > value has changed.
Again I ask, what does this imply, you pretty much quoted the documentation but gave no explenation. Is it only the value you get from "SNDCTL_MIX_READ" or can things like "SNDCTL_MIX_ENUMINFO" also change. > > Best regards, > > Hannu > --- > 16.12.2010 21.55, o...@lilltiger.se wrote: >> The docs say that it indicates that the control can change >> spontainiolusy but what does this imply. >> >> Let's say the control is an "MIXT_MUTE" then i presume it would >> onlychnage if it's on or off. >> So all one have to do is to read the value once a second and update >> the >> GUI control. >> >> But how does it change more advanced controls like "MIXT_ENUM", can >> it >> change the different options that is avaible, or just wich of the >> options that is selected, or can it change both. >> >> Is there any guidelines to how it may change an control? >> >> / Lilltiger >> _______________________________________________ >> oss-devel mailing list >> oss-devel@mailman.opensound.com >> http://mailman.opensound.com/mailman/listinfo/oss-devel > > _______________________________________________ > oss-devel mailing list > oss-devel@mailman.opensound.com > http://mailman.opensound.com/mailman/listinfo/oss-devel _______________________________________________ oss-devel mailing list oss-devel@mailman.opensound.com http://mailman.opensound.com/mailman/listinfo/oss-devel
