Re: [LAD] What KvR didn´t understand.
Ban all the gay toilets while you are at it. -- Paul On Mon, Jan 7, 2013 at 10:46 AM, Neil C Smith n...@neilcsmith.net wrote: For the love of insert fairy tale deity please ban obvious troll! ;) Neil C Smith Artist : Technologist : Adviser http://neilcsmith.net On 7 Jan 2013 15:41, Ove Karlsen ove.karl...@paradoxuncreated.com wrote: On 1/7/2013 4:37 PM, Nils Gey wrote: On Mon, 07 Jan 2013 14:20:16 +0100 Ove Karlsen ove.karl...@paradoxuncreated.com wrote: The Beneficient Open-Source licence: http://paradoxuncreated.com/Blog/wordpress/?p=6198 It´s still a bit work in progress, but people who generally understand open-source, should be very familier with what it expresses. Some small alternations might come, but not the general idea, of releasing as open-source, and the source staying open-source, and that it may be modified to be used alongside other licences, etc. This license is build on a lie.: to benefit humankind, in the path of God Odin does not exist but is a fairy-tale so you can't base a license his path. Better stick with the GPL. Nils Nils what you really should do is, make the Object That Moves On Its Own Licence. When you pick up a rock, it was the rock that moved itself. That is not a fairlytale. That you can tell to all the fantasyconcepts in your head, and convince yourself is right. And btw, the gay toilets away you. GTC is your friend. ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
Re: [LAD] concurrent access on smp
If your data structures and their use require locking, which you would like to avoid, there is a concept called Read-Copy-Update which is for example heavily used in the kernel and is also available as an userspace library (http://lttng.org/urcu). Yes, the RCU approach is quite effective. However, better to not call it that since IBM has a patent on it last I checked. -- Paul ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
Re: [LAD] [Ann] Folve: Fuse file system that convolves flac files on-the-fly
On Sep 17, 2012 8:04 PM, Henner Zeller h.zel...@acm.org wrote: Hi, On 16 September 2012 09:10, Fons Adriaensen f...@linuxaudio.org wrote: On Sun, Sep 16, 2012 at 12:46:42AM -0700, Henner Zeller wrote: Over the week or so, I've build some fuse filesystem filters flac files on-the-fly using the zita convolver. This makes it real easy to play around with files and filters. In particular with systems that otherwise don't support stream convolving, but just can read files. Interesting project... One thing: when skipping forward (or seeking in general) there's no need to convolve all data up to that point. If P is the new position and L is the lenght of the IR, then just call Convproc-reset(), seek the input file to P - L (or 0 if P L), and convolve up to P. You're computing a FIR filter, so no more history is required. I know. The only reason for doing what I am doing is entirely because of the filesystem semantics. On the filesystem level, I don't 'see' seeks to audio frame positions but _only_ file positions. Since the input and the output is a compressed flac file, the relationship cannot be predicted - this is why I have to walk up to that point to present a consistent view of the file (in particular if that file is mmap()ed or if users jump around in it, this is important). (this would be different if input and output was wav where the relationship is clear; but wav doesn't provide such a rich header format, so that the user in media server that display tags and images would be bad). If the seek involves an output discontinuity for the user, you could even just call Conproc-reset(), seek to P, and proceed normally. The result will be as if there was only silence before P. Ciao, -- FA A world of exhaustive, reliable metadata would be an utopia. It's also a pipe-dream, founded on self-delusion, nerd hubris and hysterically inflated market opportunities. (Cory Doctorow) ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev Have you considered OggPCM? Perhaps it has a constant enough bitrate while still providing rich tags. Not sure how well supported it is though... ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
Re: [LAD] NSM - handling large files
nb. all this applies whether the external files symlinking are implemented or not (will that be an option or shall be mandatory by SM protocol design?); Do all target filesystems support symbolic links? ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
Re: [LAD] DrMr: a new lv2 sampler/drum machine plugin
If anyone has an ideas for a very simple (no samples and threads and such) example plugin with a reasonable use for multiple parameters, do tell. I thought a multi-point envelope would be a neat one, but there's too much UI work there. How about a simple mixer with N input channels and N gain controls? perhaps pan channels too. I guess mono or stereo output depending on if you want to include pan. -Paul ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
Re: [LAD] LMMS Trippleoscillator, LV2/linuxVST-version possitiblity?
I am actively working on the LV2 version of LMMS plugins right now. LB303 is partially complete. I need to finish implementing one of the filters and add support for pitch-bend. Other than that, it is basically done. My current focus is on TripleOscillator because you (Gabbe) explicitly asked for it. Note: all of my plugins at https://github.com/pgiblox/lmms-lv2 are alpha. The arrangement of ports is expected to change. THESE PLUGINS ARE NOT BACKWARDS COMPATIBLE WITH THE FUTURE FIRST OFFICIAL RELEASE. One thing I'm doing with this package is creating both modular units, and lmms-style instruments. Expect to see a reusable envelope-generator, arpeggiator, and filter. Also expect to see individual Triple Oscillator, LB303, etc.. synth units. You can wire these up however you like in a host such as Ingen. For convenience, there will also be an instrument version of each plugin, so Triple Oscillator Instrument will have midi-in, support polyphony (voice allocation), and contain all the envelope generators, filter, amplifier, etc, all bundled into a single plugin (Just like in LMMS). What's the state of LB303? I'm trying to use it but I guess it's not done yet? Just checking if I'm just too noob to make it work =) What are you experiencing? I realize the behavior will not be equivalent with the LMMS version at the moment, but you should at least get some noise. It Works (at least as I'd expect it to) just fine in zynjacku. Best, Paul ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
Re: [LAD] LMMS Trippleoscillator, LV2/linuxVST-version possitiblity?
Yes. And 3xOsc is the next one I am implementing. ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
Re: [LAD] Fw: Re: bleeding edge html5 has interesting Audio APIs
Or simply hide the cursor? On Nov 22, 2011 4:12 PM, Fons Adriaensen f...@linuxaudio.org wrote: On Tue, Nov 22, 2011 at 09:13:37PM +0100, Nick Copeland wrote: If you are using a toolkit that has a data flow of the following: pointer motion-graphical display-values-application-output Well, basically that is broken as you have a flow that is input-output-input-application-output invariably that is going to lead to issues. The tail (the toolkit) is wagging the dog (the application) as it imposes restrictions on the values the application is allowed to see. In my opinion (ok, it is only opinion) is that the correct flow is input-application-output Yes, I see your point, and it makes a lot of sense. So what would be required is * compute the new parameter value from - a stored state in 'paramater space' rather than 'widget space' - and pointer (mouse) gestures, * update the widget according to that value. This is more or less what I do in the rotary controls used in e.g. zita-at1 and zita-rev1. It's possible because the mouse movement and the visual representation of the value (the angle of the line on the rotary knob) are not directly related anyway. But this is not how most (all) toolkits work. You could probably use them in the way you suggest with some extra effort. But in many cases (e.g. linear sliders) the pointer and widget would have to remain in sync visually, which then means that your resolution in paramater space can't be better than the visual one. Unless you allow the pointer to move faster than the visual object it is controlling (which is what I do in the 2-D panner, but it's possible only because the widget is so small). Ciao, -- FA Vor uns liegt ein weites Tal, die Sonne scheint - ein Glitzerstrahl. ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
Re: [LAD] Fw: Re: bleeding edge html5 has interesting Audio APIs
!! A good idea. But it could be confusing to the user, unless you provide a substiute. Yes. I suppose one could overlay a sprite to where the user clicked with the mouse last, then we are getting into the syncing you mentioned earlier. One thing I do like about this method (either emulating the cursor or hiding it), is that one could map the mouse's delta position to a value on an arbitrary scale. 10:1, log, etc.. It doesn't matter where the cursor actually is. On second thought.. perhaps it does - the cursor is bounded to the screen dimensions. Perhaps reset the mouse position and keep some running delta. Food for thought in either case. Paul ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
Re: [LAD] mp3tom4a via find and ffmpeg
Look at find's -exec option. And this isn't really much of a LUA and certainly no LAD question. More of a how to use the shell thing. On Aug 12, 2011 1:11 PM, guerrier guerr...@gmail.com wrote: hello can someone please help me with this? i can find all the mp3s in a directory and its sub-directories with this: find -name *.mp3 i can also ffmpeg a mp3 to m4a with this: ffmpeg -i INPUT.mp3 -y -acodec libfaac -ab 192k OUTPUT.m4a now, i would like to pipe all that find finds into ffmpeg. thanks guerrier ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
Re: [LAD] MDA-LV2 plugins fail to configure
I'm no python expert, and I am not at a computer. My guess is you are using
python3 instead of 2. I know they changed lots of list stuff.
Paul
On Jul 19, 2011 2:46 PM, Aurélien Leblond blabl...@gmail.com wrote:
Hi,
I can't compile the MDA-LV2 plugins (SVN 3422).
I tried to mess around with the wscript file, but this time couldn't
find a solution...
It fails with the following error:
blablack@igor:~/src/Launchpad/mda-lv2$ ./waf configure
Setting top to : /home/blablack/src/Launchpad/mda-lv2
Setting out to :
/home/blablack/src/Launchpad/mda-lv2/build
Global Configuration
* Install prefix : /usr/local
* Debuggable build : False
* Strict compiler flags : False
* Build documentation : False
Mdala Configuration
Checking for 'g++' (c++ compiler) : /usr/bin/g++
Checking for header lv2/lv2plug.in/ns/lv2core/lv2.h : yes
Traceback (most recent call last):
File
/home/blablack/src/Launchpad/mda-lv2/.waf-1.6.6-158eec7a0749a003782d4a9a502e3d08/waflib/Scripting.py,
line 94, in waf_entry_point
run_commands()
File
/home/blablack/src/Launchpad/mda-lv2/.waf-1.6.6-158eec7a0749a003782d4a9a502e3d08/waflib/Scripting.py,
line 146, in run_commands
run_command(cmd_name)
File
/home/blablack/src/Launchpad/mda-lv2/.waf-1.6.6-158eec7a0749a003782d4a9a502e3d08/waflib/Scripting.py,
line 139, in run_command
ctx.execute()
File
/home/blablack/src/Launchpad/mda-lv2/.waf-1.6.6-158eec7a0749a003782d4a9a502e3d08/waflib/Configure.py,
line 127, in execute
super(ConfigurationContext,self).execute()
File
/home/blablack/src/Launchpad/mda-lv2/.waf-1.6.6-158eec7a0749a003782d4a9a502e3d08/waflib/Context.py,
line 87, in execute
self.recurse([os.path.dirname(g_module.root_path)])
File
/home/blablack/src/Launchpad/mda-lv2/.waf-1.6.6-158eec7a0749a003782d4a9a502e3d08/waflib/Context.py,
line 127, in recurse
user_function(self)
File /home/blablack/src/Launchpad/mda-lv2/wscript, line 36, in configure
conf.env['pluginlib_EXT'] = pat[pat.rfind('.'):]
AttributeError: 'list' object has no attribute 'rfind'
Is anybody else facing the same issue?
Thanks in advance,
Aurélien
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Re: [LAD] Android audio plugins
And this is what I'm wondering... could/should this be done with an LV2 extension? I'm not qualified to answer that. Although, something like the HTTP Accepts header and content negotiation comes to mind. ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
Re: [LAD] [ann] CAPS 0.4.5
From the docs for LV2_Descriptor::URI: A globally unique, case-sensitive identifier for this plugin type. All plugins with the same URI MUST be compatible in terms of 'port signature', meaning they have the same number of ports, same port shortnames, and roughly the same functionality. URIs should probably contain a version number (or similar) for this reason. Rationale: When serializing session/patch/etc files, hosts MUST refer to a loaded plugin by the plugin URI only. In the future loading a plugin with this URI MUST yield a plugin with the same ports (etc) which is 100% compatible. --Paul On Tue, Mar 29, 2011 at 1:17 PM, Olivier Guilyardi l...@samalyse.com wrote: On 03/28/2011 11:27 PM, Philipp Überbacher wrote: Excerpts from Stefano D'Angelo's message of 2011-03-28 22:59:46 +0200: 2011/3/28 Tim Goetze t...@quitte.de: I'm planning to add a mode switch (low- or bandpass) to the AutoWah instead of making a separate new plugin, or would that be a stupid idea? For compatibility with LV2, it's better if you create a new plugin for that... I don't see how compatibility with LV2 is a concern here? Heh... long story short: LV2 uses URIs, LADSPA uses UniqueIDs (not necessarily but...), two LV2 plugins with same URI are required to have the same port signature (i.e., ports) and I wrote a LADSPA to LV2 bridge where the URIs of the bridged plugins are in the form urn:ladspa:, where is the UniqueID. This means, if you change the port signature and maintain the same UniqueID, we would have incompatibilities in the LV2 world. If you create a new plugin or don't touch ports, instead, everything's fine. Stefano I'd say you'd even have incompatibilities in LADSPA world. Even fixes in LADSPA plugins would sometimes need a new ID (This was discussed a while ago regarding a LADSPA that has an unintuitive port order). Sorry guys but I don't follow you here. Can't you add or remove ports to an existing plugin in a new release? Does LV2 considers that two plugins with the same URI but different ports are actually different plugins? As for two C++ functions with the same name but different arguments? -- Olivier ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
Re: [LAD] [ANN] IR: LV2 Convolution Reverb
Clear your cookies and try again. Google must know you are involved in Linux Audio ;) On Fri, Feb 25, 2011 at 1:01 PM, Alexandre Prokoudine alexandre.prokoud...@gmail.com wrote: On Fri, Feb 25, 2011 at 8:50 PM, David Robillard wrote: It's also the company in Jurassic Park. One day I'll make it to #1 Google hit. One day! You already have :) Just try it. Alexandre Prokoudine http://libregraphicsworld.org ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
Re: [LAD] [ANN] IR: LV2 Convolution Reverb
Dave, I do some work in Qt. Primarily helping to port Lmms to Qt4. I am now working on a successor. This host is in Qt4 and uses lv2 as the primary plugin api. I desire embedded plugins, so this topic is close to my heart. Anyways, I would name the URI after Qt4 instead of simply Qt. Qt breaks some ABI compatibility in major releases. So, including the 4 in the name should protect us when 5 is released. Regards Paul ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
Re: [LAD] [ANN] IR: LV2 Convolution Reverb
Yeah, I was thinking the something regarding gtk. Too late to change it though. I suppose the next one will just be versioned. And you are right. Nobody cares about 3 anymore, except for backwards compatibility. There is no reason to pull that into the UI spec, though, as there are no Qt3 lv2 plugins. Paul ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
Re: [LAD] DX7 (was Re: On the last eve of the year)
Now I wish I never sold my DX7 while I was short on cash in college.. -Paul On Fri, Dec 31, 2010 at 12:11 PM, Julien Claassen jul...@c-lab.de wrote: Yes, there was a great collection, which I have downloaded at the time, even before I knew hexter and before I could upload sounds to my DX7. Marvellous what you can get and the pure mass of them! I think there was one zip files with 10.000 patches in all. Keep hextering and dx7-ing on :-) Julien Music was my first love and it will be my last (John Miles) FIND MY WEB-PROJECT AT: http://ltsb.sourceforge.net the Linux TextBased Studio guide === AND MY PERSONAL PAGES AT: === http://www.juliencoder.de ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
Re: [LAD] LV2 Beat reporting?
It sounds to me like the generic Beat Event would be a TriggerEvent. Triggers could be for clock, gates, envelopes, etc.. At least I think this would model the way old modulars would interact fairly well. But: Is it modeled as an audio-port with peaks to denote the triggers, or as an event port with timed events? I'm leaning towards events personally. -Paul On Tue, Dec 28, 2010 at 2:29 PM, JohnLM joh...@apollo.lv wrote: Well I think the idea is quite good! I could think of few more uses, including real-time DJ crossfade/mix sync by beats, and such. I haven't looked into LV2 much yet, but one thing is sure. You can't make the plugin universal. Any host dealing with such plugin must be aware of it's purpose whether the output is simply audio clicks or some kind of event interface. As much as I understand LV2 does not mandate universal-use filter plugins as LADSPA did, so you're good with extending it as you see fit. Host code modifications will be required, but if you make it generic enough, the interface could be picked up by various projects. On Sun, 26 Dec 2010 01:58:13 -0500 Jeremy jeremyb...@gmail.com wrote: Hi all, So I'm writing some LV2 plugins to wrap up the Aubio audio analysis libraryhttp://aubio.org/, and I'm not sure exactly how to handle functions like onset detection. Currently, it just outputs clicks to an audio port (0 when no beat, 1 when beat is detected). However, this doesn't take advantage of the power of LV2. It is unclear to hosts and other plugins exactly what sort of data is coming out. I was thinking that maybe it would output MIDI, as midi matches the event based aspect of beat detection. Perhaps sending out MIDI beat clock signals http://en.wikipedia.org/wiki/MIDI_beat_clock? However, that doesn't really match the sort of data that the Aubio functions detect. Maybe it could just send a midi note on event? It seems like maybe some sort of LV2 specific extension might be in order? The Event Port http://lv2plug.in/ns/ext/event/#EventPort extension seems to define everything I need: sending timestamped events with no extra information attached. The question is: does it require some sort of further extension to define what a beat port is in the way the MidiEvent extension does? Of course, this raises the question: Is a port specific for beats even necessary? I can think of a few cases: - DAW uses beat signals to set up markers on a track - DAW uses beat signals to break a percussive track up into beats. - Delay effect uses beat signals to have a timed delay - Automatic drummer adds on a percussion part to audio with varying tempo - ? other beat-synchronous effects? Anyway, I'm wondering what you all think would be the best option, or whether you think functionality like this is even warranted in an LV2 plugin (should analysis plugins stick to VAMP?). So let me know what you think. Jeremy Salwen ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev
