On Sun, 2010-03-07 at 23:26 -0800, Jeff Sandys wrote: > On Sun, Mar 7, 2010 at 5:47 PM, Fernando Lopez-Lezcano > <nando@xxxxxxxxxxxxxxxxxx> wrote: > On Sat, 2010-03-06 at 12:03 -0800, Jeff Sandys wrote: > > In Fedora 12 with Planet CCRMA Jack Audio Connection Kit, > does > > starting jack with qjackctl suspend pulseaudio? > > > It depends. I don't know what happens if you use the Fedora > jack > package. If you have the Planet CCRMA jack package (based on > jack2) > the answer is yes, starting jackd will politely ask pulseaudio > to release > the card and jackd will be happy. When jackd exits the card is > released > and pulseaudio grabs it again. > > That's what I thought but couldn't prove it. I have the ccrma jack, > can't find jack in fedora. The one in Planet CCRMA has a higher e-v-r so you won't see it by default if you have the Planet CCRMA repositories enabled. There is some yum incantation option that lets you see all versions, don't remember it. > Using the PD latency test that loops back the output > to the input, it shows twice the latency as calculated in qjackctl, > which makes sense, once for D/A and again for A/D. > > > If not, how can I add pulseaudio suspend (and resume) to > qjackctl? > > > In fc11 where the interface between jackd and pulseaudio had > some > bugs I ended up writing a perl script that would do the right > thing. I'm > attaching it to this email for reference. > > If the Fedora jack does not interface with pulseaudio you > could (as > root) "mv /usr/bin/jackd /usr/bin/jackd.bin" and then install > the script > as /usr/bin/jackd (don't forget to chmod it to 775). Of course > this will > "break" the rpm package of jackd so if you upgrade jackd you > will > need to redo the script again. > > I went straight from fedora 10 to 12 so I didn't try your perl script > required for fedora 11. > > > How can I tell if pulseaudio is running, is there a terminal > command > > for pulseaudio status? > > > > I have searched through the jackaudio.org, pulseaudio.org, > > qjackctl.sourceforge.net and other sites, and didn't find an > obvious > > answer. > > > http://fedorasolved.org/Members/fenris02/pulseaudio-fixes-and-workarounds > > > has some info but not about jack. > > > You need to install pulseaudio-utils if it is not there > already (BTW, > you will need that for the script as well). > > pactl stat > > will tell you stuff about pulseaudio... > > The reason I ask is I am planning to give a talk about music > programming with Planet CCRMA at LinuxFest NorthWest, > > http://linuxfestnorthwest.org/sessions/music-programming-planet-ccrma > Fernando, I would appreciate your review of my slides when then are > ready, I don't want to misrepresent CCRMA. Thanks, Yes, no problem, let me know when you want me to take a look. -- Fernando _______________________________________________ music mailing list music@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/music
