Russell Treleaven <[email protected]>: > > Is there an open bug for this?
No. > > On Wed, Dec 26, 2018, 6:41 PM Alexander E. Patrakov <[email protected]> > wrote: >> >> David Davidović <[email protected]>: >> > >> > Hi, >> > >> > I'm running a system-wide PulseAudio instance on a headless box connected >> > to my speaker system. The sink is broadcast via Zeroconf and I use it to >> > play music and movies via WiFi from my laptop. The headless box is >> > connected to the WiFi router via a wired connection. >> > >> > Unfortunately, every couple of minutes or so, the sound stutters for a >> > short time, then returns to normal. >> > >> > Does anyone have any suggestions as to how to debug the source of these >> > issues? My best bet is WiFi latency. I tried increasing the buffer size >> > (via default-fragments and default-fragment-size-msec) on both the client >> > and server machine but I haven't seen any considerable improvement. The >> > actual network packets seem to always be around 1.5K in size, which would >> > be around 4ms of uncompressed sound with 32-bit stereo samples at 44.1kHz, >> > and that's without any overhead. If my calculation is true, this would >> > explain the stuttering, as the network latency towards the machine is at a >> > baseline of ~2ms but can spike sometimes due to nature of WiFi. >> > >> >> Packets are sent in advance, and WiFi cannot allow for bigger packets anyway. >> >> > I'd be happy if there was a way to e.g. tell the native-protocol-tcp >> > module to buffer more of the audio and play it, as I don't mind the >> > increased latency; I just want to get rid of the stuttering and all >> > applications I use manage PulseAudio latency compensation quite well. >> >> You can't. It's the media player application who requests buffering >> and specifies the latency. However, if pavucontrol is running, the >> latency is capped to something like 20 ms, due to the misguided design >> decision that monitor sinks should monitor what is written right now >> (not what is playing right now). >> >> What would help is a "pactl list sinks" on both ends while music is >> playing and pavucontrol is not running. >> >> > Has anyone else had this issue and resolved it? >> >> Yes, by closing pavucontrol. >> >> -- >> Alexander E. Patrakov >> _______________________________________________ >> pulseaudio-discuss mailing list >> [email protected] >> https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss > > _______________________________________________ > pulseaudio-discuss mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss -- Alexander E. Patrakov _______________________________________________ pulseaudio-discuss mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss
