Re: [linux-audio-dev] OSC-Question

2005-03-19 Thread Paul Davis
>No, imho one of the main advantages is Qt's Signal/Slot mechanism and my=20 >current implementation has come so far that I can send and receive OSC=20 >messages with one argument (of type QVariant) via signals and slots. i don't want to get into a toolkit war, but gtkmm has been using SigC++ sinc

Re: [linux-audio-dev] OSC-Question

2005-03-19 Thread Arnold Krille
On Saturday 19 March 2005 19:12, Lars Luthman wrote: > On Wed, 2005-03-16 at 17:39 +0100, Arnold Krille wrote: > > Maybe we could join forces for an liblo-Qt-class? > > Which timeframe are we talking about? > Why a Qt class? A generic C++ implementation would probably be useful to > lots of other p

Re: [linux-audio-dev] jack transport

2005-03-19 Thread Luis Garrido
> Syncing video playback to Ardour would be a great example of the > usefullness of jack-transport. Unfortunately, i guess the fact > is that the design of mplayer means it can never be a real jack > client. Perhaps a jack client could control mplayer via its slave > mode, for use with non-keyfram

Re: [linux-audio-dev] OSC-Question

2005-03-19 Thread Steve Harris
On Sat, Mar 19, 2005 at 07:12:54PM +0100, Lars Luthman wrote: > On Wed, 2005-03-16 at 17:39 +0100, Arnold Krille wrote: > > Maybe we could join forces for an liblo-Qt-class? > > Which timeframe are we talking about? > > Why a Qt class? A generic C++ implementation would probably be useful to > lot

Re: [linux-audio-dev] jack and alsa design issue

2005-03-19 Thread Christoph Eckert
> Cut that. aRts isn't maintained anymore. KDE is heading for > another solution and currently (kde3.4) half of the players > in kde have their own plugin system to support different > soundservers / outputmethods to be independent from aRts... > It won't live longer than kde 3.5, which will hopef

Re: [linux-audio-dev] jack and alsa design issue

2005-03-19 Thread Arnold Krille
On Saturday 19 March 2005 17:59, Christoph Eckert wrote: > If your softphone should be straightforward to the user, it > needed to support different soundsystems, and to try to > automatically select one during start time. Here one idea in > which order this could happen: > * JACK > * Arts Cut tha

Re: [linux-audio-dev] OSC-Question

2005-03-19 Thread Lars Luthman
On Wed, 2005-03-16 at 17:39 +0100, Arnold Krille wrote: > Maybe we could join forces for an liblo-Qt-class? > Which timeframe are we talking about? Why a Qt class? A generic C++ implementation would probably be useful to lots of other projects too. -- Lars Luthman PGP key: http://www.d.kth.s

Re: [linux-audio-dev] jack transport

2005-03-19 Thread Tim Orford
On Sat, Mar 19, 2005 at 11:29:57AM -0500, Paul Davis wrote: > correct. SMPTE provides positional sync with a resolution of 1 SMPTE > frame (on the order of 1/30th second) - in other words, appalling for > audio synchronization. each frame is divided into 80 'bits', referred to as subframes. in ad

Re: [linux-audio-dev] jack and alsa design issue

2005-03-19 Thread Christoph Eckert
> For context, the app is a softphone. Kewl. > All linux softphones > stink in all ways, plus none was readily adaptable to JACK. > I, being an audio geek, would like to hook up a call to a > JACK graph. But most people would like the thing to just > work without hassle, hence the ALSA option (

Re: [linux-audio-dev] jack and alsa design issue

2005-03-19 Thread Paul Davis
>Sorry, the other thread idea is in order to avoid SIGIO. The thread >would select on the audio device and drain it into a ringbuffer for the >other thread to use. s/select/poll/ => welcome to JACK :)) you really want to do all this work over again? --p

Re: [linux-audio-dev] jack transport

2005-03-19 Thread Paul Davis
>On Fri, Mar 18, 2005 at 11:34:34PM +0100, Jens M Andreasen wrote: >> Do jack-transport support SMPTE >> Do jack-transport support MIDI song pointer >> >> (guessing yes to above) > >actually i beleive the answer is mostly no, although perhaps >its best to consider smpte and midi as paralle rath

[linux-audio-dev] appropriate LADSPA plugin for rejection?

2005-03-19 Thread Andrew Gaydenko
Hi! The aim is to investigate some signal which consists of main harmonic and others with rather low level. I'd like to reject main harmonic _and_do_not_affect_ to other harmonics. What LADSPA plugin is the most sutable for such work? Thanks! Andrew

Re: [linux-audio-dev] jack and alsa design issue

2005-03-19 Thread Hans Fugal
On Fri, 18 Mar 2005 at 23:53 +0100, Jens M Andreasen wrote: > On Fri, 2005-03-18 at 08:24 -0700, Hans Fugal wrote: > > > > > As I understand it, alsa can be asynchronous but it requires using SIGIO > > which doesn't excite me. So I'd have to create another thread that > > selects and fills a ring

Re: [linux-audio-dev] jack transport

2005-03-19 Thread Tim Orford
On Fri, Mar 18, 2005 at 11:34:34PM +0100, Jens M Andreasen wrote: > Do jack-transport support SMPTE > Do jack-transport support MIDI song pointer > > (guessing yes to above) actually i beleive the answer is mostly no, although perhaps its best to consider smpte and midi as paralle rather than