Re: Bad audio performance with jack

>> > If I play a video with the jack audio output, the sound is fairly
>> > garbled and choppy.  The same files sound fine with 'mplayer -ao jack
>> > file.mkv' and also with vlc if I don't use jack.  Is there something I can
>> > do to fix this?
>> >
>> > - Grant
>> >
>> Also, is jackd using too much CPU? Did you try other jack applications?
>
> I updated my system and now vlc only has this problem with jack and 1080p
> video, and even then it's not as bad as it was.  jackd only uses about 1%
> CPU in any case, but I noticed this with a 1080p video:
>
> mplayer without jack: 60% CPU
> mplayer with jack: 65% CPU
> vlc without jack: 75% CPU
> vlc with jack: 85% CPU
>
> I think the CPU is too stressed when vlc uses jack with a 1080p video.  Is
> there anything I can do to increase performance?
>
> - Grant

Should jack increase vlc's CPU usage like this?  I have a 1080p/60fps
video that plays perfectly if I don't use jack, but if I use jack it's
choppy and there is no A/V sync.

Does vlc take advantage of my multi-core CPU?

- Grant
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