________________________________ From: katja <katjavet...@gmail.com> To: Jonathan Wilkes <jancs...@yahoo.com> Cc: "pd-dev@iem.at" <pd-dev@iem.at> Sent: Wednesday, May 29, 2013 8:21 AM Subject: Re: [PD-dev] jack dbus? >I checked it on Xubuntu: running Pulseaudio as an audio submixer >through JACK . In Pulseaudio's mixer GUI (which is the default mixer >in Xubuntu's panel), JACK can be selected as destination for an >application's audio output, but only when the application is indeed >delivering audio. For example, when a video is playing in Firefox, the >audio interface option boxes appear. So when you pause the video does the option box go away? >Setting up the connections manually is time-consuming. But, since JACK >adds some latency to Pd, I would not use it as default (autostart) >setup. The lowest practical roundtrip latency through Pd I could get >in the JACK-with-Pulseaudio setup was measured 50 ms, 32 ms more than >directly through ALSA. Hm... http://jackaudio.org/no_extra_latency I'm talking about running PulseAudio on top of JACK and not the other way around. Is that what you're doing? >Is there not another way to play sound files or tutorial video's >together with Pd? I found one nice alternative: make VLC JACK-aware >and use it to play media files and network streams through JACK. To >prepare the setup: >- install vlc package (multimedia player and streamer) if it's not >already installed >- install vlc-plugin-jack package >- in VLC preferences, set audio output to JACK >A Youtube video can be played in VLC via menu Media >> Open Network >Stream. It should be possible for other streams as well but I still >have to find out how to do Vimeo or Soundcloud. The VLC/JACK route >would not be most convenient to watch internet video clips on a >regular basis. However for incidental use, the advantage is that VLC >connection is quickly made in JACK. I''ve done that before to port youtube audio into Pd. While it's certainly handy it's a lot of work just to get a GNU/Linux machine to behave with one other general audio use-case. -Jonathan
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