mrw wrote: > Well, in this case the underlying constraint is that 'high sample-rate' > flac requires an output threshold of 2 seconds (20 tenths). So that > kills 353/384 kHz streams, but didn't worry 176/192 kHz streams. > https://github.com/Logitech/slimserver/blob/public/8.0/Slim/Player/Squeezebox.pm#L617 > > It seems to have been required for older Squeezeboxes and Transporter: > https://github.com/Logitech/slimserver/commit/fbd203462fbe086dc3c905972a3dd756a8f60496 > > I wonder if it is still required for a vanilla Touch ? > > > > I don't know precisely what headroom is required. Each of the following > two changes worked for portaudio: > > a) Simply doubling the size of the buffer (on the premise that if it > worked for 176/192, double would work for 353/384). > b) Implementing Triode's 1 second "arbitrary" override on higher bit > rate rate streams. > > I haven't checked playback of 353/384 streams on an Alsa Squeezeplay (I > don't have one available right now), my guess is it would work as is, > because (b). > > I don't know what motivated Triode's change. Experience with EDO ? Why > didn't LMS reduce the output threshold for SqueezePlay ? > > I can let you have a PR to adopt the Triode approach in portaudio. In > the meantime, though, I'm investigating to see if a more "scientific" > approach can be found. I.E. what minimum output buffer headroom is > needed to guarantee that playback won't stall in this circumstance.
Thanks. Let's see what your investigations turn up before making any changes. I only have test files for those crazy high sample rates, and the last time I tried an alsa squeezeplay at 384 it played okay. Ralphy *1*-Touch, *5*-Classics, *3*-Booms, *1*-UE Radio 'Squeezebox client builds' (https://sourceforge.net/projects/lmsclients/files/) 'donations' (https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=LL5P6365KQEXN&lc=CA&item_name=Squeezebox%20client%20builds¤cy_code=USD&bn=PP%2dDonationsBF%3abtn_donate_SM%2egif%3aNonHosted) always appreciated. ------------------------------------------------------------------------ ralphy's Profile: http://forums.slimdevices.com/member.php?userid=3484 View this thread: http://forums.slimdevices.com/showthread.php?t=113234 _______________________________________________ Squeezecenter mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/squeezecenter
