On Wed, 2013-04-10 at 08:46 +0200, Clemens Ladisch wrote: > jon wrote: > > On Tue, 2013-04-09 at 21:59 +0200, Clemens Ladisch wrote: > >> jon wrote: > >>> If I increase the bufchunks value I seem to get larger latency > >>> yet the latency values i'm reading always seem to be the same. > >> > >> Apparently, your program fills the buffer fast enough so that there > >> are never too many frames available. I'd guess that if your program > >> gets delayed more, by its own computations, by scheduling delays, or > >> by increasing the period time, you would see higher values. > > > > I'm not sure I understand that behaviour at all... I would expect ALSA > > to keep the buffer as full as possible not as empty ? > > Please note that the number of "available" frames, as returned by > snd_pcm_avail(), is the number of sample that your application can write > to the buffer. The number of frames available for the device to play is > the opposite of that. That was my confusion. Thanks for clarifying it :-) Jon ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
