On Wed, 2010-08-25 at 10:28 +0200, Jaroslav Kysela wrote: > On Tue, 24 Aug 2010, Liam Girdwood wrote: > > > On Mon, 2010-08-23 at 19:47 +0200, Jaroslav Kysela wrote: > > > >> Unfortunately, I have many ideas to improve the API before I can approve > >> or recommend the inclusion to the alsa-lib's tree. > >> > > > > I wish you had shared your API ideas with us at the time of the RFC. A > > lot of time and effort has since went into UCM development :-/ > > I too. My big problem is the lack of time. Same here, not enough hours in the day. > > I tried to rethink the API to be more universal for future extensions (but > the implementation will not dramatically change and the mechanisms you > want to expose are not touched at all). I just wanted to add the > possibility to create the virtual cards combining resources from any > PCM/control/mixer device available in system. The proper device evaluation > and mixer control assignments is something which is wanted by PulseAudio > developers. > > My proposed header file with reduced function set but not reduced > functionality is available at: > > http://git.alsa-project.org/?p=alsa-lib.git;a=blob;f=include/use-case.h;h=33d480f66d000fa7c86367c68b98bdaad9217a74;hb=fcc9adb26058667656277ba92032ba7e0b00261c > ok, that looks good. > The syntax of your proposed files is very close to the other alsa-lib's > syntax. For example: > > SectionModifier > Name "Capture Voice" > EnableSequence > seq1 1 > EndSequence > QoS Voice > EndSection > > Can be written in alsa-lib's syntax: > > SectionModifier."Capture Voice" [ > EnableSequence [ > seq1 1 > ] > QoS Voice > ] > > So I'm thinking to recode all parsers to use the alsa-lib configuration > parsers. As bonus, the alsa-lib configuration routines give us some > runtime evaluation and possibility to reference (include) other files. > ok, I agree here too. > Next step may be to support the 'amixer' like syntax for the control and > mixer element handling. Btw, we need to try and avoid using the control ID in any mixer syntax. I found that minor driver changes could change ID numbering meaning major updates to config files. The mixer names are pretty constant and using them has been quite painless. Thanks Liam -- Freelance Developer, SlimLogic Ltd ASoC and Voltage Regulator Maintainer. http://www.slimlogic.co.uk _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
