Re: [linux-audio-dev] Help wanted with audio app design

2003-02-28 Thread Steve Harris
On Thu, Feb 27, 2003 at 10:58:56 -0500, Ivica Bukvic wrote: Hi, Some of your ideas already reside in other projects, so perhaps consider contributing to them rather than starting yet another project. IMHO what we really need now in Linux community is a couple of really stable and versatile

[linux-audio-dev] Re: [linux-audio-user] Re: New LADSPA Hints (Was: [ANNOUNCE] tapiir-0.7.1)

2003-02-28 Thread Mike Rawes
Think this needs to go to LAD too... --- Steve Harris [EMAIL PROTECTED] wrote: I think there was one more too, but I can't think what it was... I remember one about sidechains or something. I don't know what a sidechain is, though, I just recall seeing it somewhere :) I agree

Re: [linux-audio-dev] LAD Meeting at ZKM Karlsruhe 14-16 March 2003

2003-02-28 Thread Tobias Ulbricht
Apologies, guys and girls, for the german posting... thanks, tobias.

Re: [linux-audio-dev] XAP spec - early scribbles

2003-02-28 Thread torbenh
On Thu, Feb 27, 2003 at 08:18:02PM +0100, David Olofson wrote: On Thursday 27 February 2003 07.47, [EMAIL PROTECTED] wrote: [...] There's only one call; process(). (Or run(), as some prefer to call it.) This is called once for each block, whether or not the plugin processes audio.

Re: [linux-audio-dev] LAD meeting - LinuxSoundNight

2003-02-28 Thread torbenh
On Thu, Feb 27, 2003 at 06:53:02PM +0100, Dr. Matthias Nagorni wrote: On Wed, 26 Feb 2003, Frank Barknecht wrote: See http://footils.org/cgi-bin/cms/pydiddy/LinuxSoundNight Thanks Frank, this WIKI is a very good idea. I added the equipment I intend to bring (anybody curious ?). We should

Re: [linux-audio-dev] Help wanted with audio app design

2003-02-28 Thread torbenh
On Thu, Feb 27, 2003 at 06:26:08PM -0600, Arthur Peters wrote: I have been working on an audio processing/synthesis application that should have the power of Reason and Buzz plus the ability to be used effectivly in live proformance. Some of you may have read my earlier emails on this subject.

[linux-audio-dev] Why? call back API and other thoughts...

2003-02-28 Thread Fons Adriaensen
Roger Larsson writes: I try to list some pro / con for call back and push APIs: push API: Pro: * simple to play a single file, basically a copy from source file to destination. Con: * hard to write plugins that way. Take a look at arts plugins. They all have a

Re: [linux-audio-dev] Re: [linux-audio-user] Re: New LADSPA Hints (Was: [ANNOUNCE] tapiir-0.7.1)

2003-02-28 Thread Steve Harris
On Fri, Feb 28, 2003 at 10:07:18 +, Mike Rawes wrote: Think this needs to go to LAD too... Er, yeah, I didn't realise it wasn't. I think there was one more too, but I can't think what it was... I remember one about sidechains or something. I don't know what a sidechain is, though, I

Re: [linux-audio-dev] POSIX clocks now in linux 2.5

2003-02-28 Thread Fons Adriaensen
Paul Davis writes: From the 2.5.63 changelog: o POSIX clocks timers Phat :) Super-Callifragilistic-Expealido-phat-cious!! finally, we can do real MIDI sequencing with Linux: while (1) { ... usleep (usecs_till_next_event); /* we're know

Re: [linux-audio-dev] POSIX clocks now in linux 2.5

2003-02-28 Thread Steve Harris
On Fri, Feb 28, 2003 at 03:49:59 +0100, Fons Adriaensen wrote: Is this really new ? I was porting some C++ thread classes (originally developed for Solaris) to 2.4.19 this week. The ITC mechanism uses pthread_cond_timedwait(), which takes a struct timespec * referring to an absolute time, the

Re: [linux-audio-dev] Why? call back API and other thoughts...

2003-02-28 Thread Fons Adriaensen
Roger Larsson writes: This can easily be avoided by making these 'free-running' threads wait on an event that has the right frequency, e.g. a counting semaphore that is incremented by the output module each time a block is processed. This way you can eleminate all buffering between the

Re: [linux-audio-dev] POSIX clocks now in linux 2.5

2003-02-28 Thread Fons Adriaensen
Steve Harris writes: On Fri, Feb 28, 2003 at 03:49:59 +0100, Fons Adriaensen wrote: Is this really new ? I was porting some C++ thread classes (originally developed for Solaris) to 2.4.19 this week. The ITC mechanism uses pthread_cond_timedwait(), which takes a struct timespec *

Re: [linux-audio-dev] Why? call back API and other thoughts...

2003-02-28 Thread Steve Harris
On Fri, Feb 28, 2003 at 04:51:07 +0100, Fons Adriaensen wrote: The thread that calls the user's callback function is completely hidden, and so it can wait only for the trigger form jackd and nothing else. As a consequence you can't use it to communicate safely with your callback which would be

Re: [linux-audio-dev] XAP spec - early scribbles

2003-02-28 Thread David Olofson
On Friday 28 February 2003 09.20, [EMAIL PROTECTED] wrote: [...] random latency ? how do you mean that ? Latency depends on how you happen to construct the net (order of instantiation, connections etc) and/or the actual layout of the net, in non-obvious ways. When designing a net, it should

Re: [linux-audio-dev] 2.5 kernel recommendation ?

2003-02-28 Thread Bob Ham
On Thu, 2003-02-27 at 22:47, Dave Phillips wrote: Just what I needed to know, thank you. I did download 2.5.63 and successfully built it. The new configuration GUI was a surprise, but otherwise it was all straightforward stuff. Nice to see ALSA there (along with the message that OSS is

Re: [linux-audio-dev] XAP spec - early scribbles

2003-02-28 Thread Dave Griffiths
On Fri, 28 Feb 2003 19:05:19 +0100 David Olofson [EMAIL PROTECTED] wrote: On Friday 28 February 2003 09.20, [EMAIL PROTECTED] wrote: [...] random latency ? how do you mean that ? Latency depends on how you happen to construct the net (order of instantiation, connections etc) and/or the

Re: [linux-audio-dev] Re: New LADSPA Hints (Was: [ANNOUNCE] tapiir-0.7.1)

2003-02-28 Thread Jesse Chappell
Mike Rawes wrote on Fri, 28-Feb-2003: /* Hint MOMENTARY indicates that that a control should behave like a momentary switch, such as a reset or sync control. LADSPA_HINT_MOMENTARY may only be used in combination with LADSPA_HINT_TOGGLED. */ #define LADSPA_HINT_MOMENTARY 0x40

Re: [linux-audio-dev] LAD meeting - LinuxSoundNight

2003-02-28 Thread Bill Allen
On Thu, 27 Feb 2003, Frank Barknecht wrote: Hallo, Paul Winkler hat gesagt: // Paul Winkler wrote: Guitar effects on a microphone is very hard to manage without uncontrollable feedback. But I saw it done - on a saxophone yet! - by a trio called Spongehead (guitar/bass, sax, and

Re: [linux-audio-dev] XAP spec - early scribbles

2003-02-28 Thread David Olofson
On Friday 28 February 2003 22.01, Dave Griffiths wrote: On Fri, 28 Feb 2003 19:05:19 +0100 David Olofson [EMAIL PROTECTED] wrote: On Friday 28 February 2003 09.20, [EMAIL PROTECTED] wrote: [...] random latency ? how do you mean that ? Latency depends on how you happen to construct

Re: [linux-audio-dev] XAP spec - early scribbles

2003-02-28 Thread Simon Jenkins
Dave Griffiths wrote: On Fri, 28 Feb 2003 19:05:19 +0100 David Olofson [EMAIL PROTECTED] wrote: On Friday 28 February 2003 09.20, [EMAIL PROTECTED] wrote: [...] random latency ? how do you mean that ? Latency depends on how you happen to construct the net (order of instantiation,