On Tue, 16 Jul 2024 08:09:21 +0200, Xinhui Zhou wrote: > > Dear all, > > I am having a question regarding how to specify 'champ' for a > plugin. I do not see any examples of this. I tried many ways to > specify but failed. > > As indicated by the link below, I can specify the MAP as a string > array. Can someone provide one example on how exactly this [chmap > MAP] can be specified? > > " > pcm.name { > type cras > [chmap MAP] # Provide channel maps; MAP is a string array > } > " > https://www.alsa-project.org/alsa-doc/alsa-lib/pcm_plugins.html > > > I can something like these, but none of these work for me. > > chmap LFE > chmap "LFE" > chmap FR,FL,LFE > champ "FR,FL,LFE" You need to define a composite array, e.g. pass like chmap [ "FL,FR" ] instead. For multiple configurations, you can put more items such as chmap [ "FC" "FL,FR" "FL,FR,FC,LFE" ] HTH, Takashi _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user