[pulseaudio-discuss] several seconds delay while playing video with timer-based audio scheduling enabled

[Arun Raghavan]

On Thu, 2011-05-05 at 23:37 -0400, xing wang wrote:
> 2011/5/5 xing wang <wangxingchao2011 at gmail.com>:
> > 2011/5/5 Colin Guthrie <gmane at colin.guthr.ie>:
> >> 'Twas brillig, and xing wang at 05/05/11 10:24 did gyre and gimble:
> >>> Hi community,
> >>>
> >>> I met a weird issue when playing video on Meego Platform.
> >>> if turn on timer-based audio scheduling, there's nearly seconds voice
> >>> delay during playing video.
> >>> The abnormal phenomenon disappeared after turn it off.
> >>>
> >>> I use 2.6.37 kernel and 0.9.22 pulseaudio version. As suggestions
> >>> (http://0pointer.de/blog/projects/pulse-glitch-free.html)
> >>> the pulseaudio's glitch-free works on newest Alsa/Kernel/Pulseaudio,
> >>> newest everything.
> >>>
> >>> After some google search, there's no obvious finding about similar
> >>> issues. Meanwhile i guess the official release of glitch-free
> >>> must be verified about "tsched" feature, so it's not a bug but a usage
> >>> mistake,such as some config file wrong for my platform.
> >>>
> >>> So if anyone had meet same issue or could you provide some
> >>> suggestions, that would be appreciated much.
> >>
> >> What video player is being used? It is perhaps making some really dumb
> >> assumptions about things and thus breaking (and using too much power too!)
> >
> > It's Meego default player "meego-qml-launcher".
> 
> Maybe wrong here. Qml-launcher is only one app launcher, the exact app name is
> "meego-app-video", it's one QML based application.

What hardware are you trying this on, btw?

-- Arun