On Mon, 26 Jun 2017 15:27:21 +0200, Takashi Sakamoto wrote: > > +In a design of ALSA PCM core, data transmission is abstracted as PCM substream. > +Applications manage PCM substream to maintain data transmission for PCM frames. > +Before stating the data transmission, applications need to configure PCM starting > +This structure includes several types of parameters. Applications set preferable > +value to these parameters, then execute ioctl(2) with SNDRV_PCM_IOCTL_HW_REFINE > +or SNDRV_PCM_IOCTL_HW_PARAMS. The former is used just for querying available > +set of parameters. REFINE isn't only for querying but may also refine, i.e. partially change the parameters. > +Pamraeters in the buffer are changed according to Parameters thanks, Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
