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From: Holger M. <ho...@ma...> - 2014-08-13 19:24:05
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Hi all, I use linuxsampler built from source revision 2593. It works ok but when I select the sfz engine it spills out a lot of messages about one of the many LADSPA plugins. This could prevent Qtractor loading my session until Qtractor's author improved catching stdout messages. However, I don't need any LADSPA plugins withing Linuxsampler and would like to disable this part of Linuxsampler. But there is no ./configure-option to disable it. Where should I start? Regards Holger Linuxsamplers output when selecting the sfz engine: LinuxSampler 1.0.0.svn41 Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck Copyright (C) 2005-2014 Christian Schoenebeck Detected features: MMX SSE SSE2 Automatic Stacktrace: Off Creating Sampler...OK Registered sampler engines: 'GIG','SF2','SFZ' Registered MIDI input drivers: ALSA,JACK Registered audio output drivers: ALSA,JACK Loading instrument editor plugins...OK Registered instrument editors: 'gigedit' Registered internal effect systems: LADSPA Registered internal effects: 210 Starting LSCP network server (0.0.0.0:8888)...OK LinuxSampler initialization completed. :-) LSCPServer: Client connection established on socket:4. LSCPServer: Client connection established on socket:5. No audio output device connected to sampler channel ALSA lib pcm_hw.c:1401:(_snd_pcm_hw_open) Invalid value for card ALSA lib pcm_hw.c:1401:(_snd_pcm_hw_open) Invalid value for card libjackBufferSizeCallback(512) Thread: WARNING, can't assign realtime scheduling to thread! Starting disk thread...OK EQ support: no Stopping disk thread...OK Starting disk thread...OK Instantiating LADSPA effect 'triplePara'. LADSPA effect 'triplePara' activated. Instantiating LADSPA effect 'triplePara'. LADSPA effect 'triplePara' activated. EQ support: Triple band parametric with shelves Instantiating LADSPA effect 'triplePara'. LADSPA effect 'triplePara' activated. Instantiating LADSPA effect 'triplePara'. LADSPA effect 'triplePara' activated. Instantiating LADSPA effect 'triplePara'. LADSPA effect 'triplePara' activated. Instantiating LADSPA effect 'triplePara'. LADSPA effect 'triplePara' activated. Instantiating LADSPA effect 'triplePara'. LADSPA effect 'triplePara' activated. 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Instantiating LADSPA effect 'triplePara'. LADSPA effect 'triplePara' activated. Stopping disk thread...OK |
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From: Christian S. <sch...@li...> - 2014-08-15 13:39:20
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On Wednesday 13 August 2014 21:23:51 Holger Marzen wrote: > However, I don't need any LADSPA plugins withing Linuxsampler and would > like to disable this part of Linuxsampler. But there is no > ./configure-option to disable it. Where should I start? There is in fact no configure parameter yet to disable LADSPA support explicitly. Seems not many needed it so far. So stick with the suggested quick and dirty patch, or if you want to fix it in configure.ac by yourself, your patch would be appreciated. CU Christian |
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From: <dwe...@gm...> - 2014-08-24 01:01:21
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Hi all, Using linuxsampler with alsa driver I encounter glitchs which I suppose are related to buffer_size but while trying to tune it with following >SET AUDIO_OUTPUT_DEVICE_PARAMETER 0 FRAGMENTSIZE=1024 LS answers >Device parameter is read only but this does not seems to be hardcoded in alsa drivers itself, as if I check $ cat /proc/asound/M66/pcm0p/sub0/* while running "aplay" I get the following $ format: S32_LE $ subformat: STD $ channels: 10 $ rate: 48000 (48000/1) $ period_size: 1024 $ buffer_size: 6553 but while running "linuxsampler" it goes back to smaller value and reported as "read only" $ format: S32_LE $ subformat: STD $ channels: 10 $ rate: 44100 (44100/1) $ period_size: 128 $ buffer_size: 256 So it should be possible some how to modify this parameter I suspect LS implementation of alsa API does not enables tuning of these parameters. Am I right ? If so would anyone would have any suggestion to fix this ? I run a debian with kernel 3.2.0-4-amd64, an MAUDIO 66, with LS svn source from 1st of June Thanx a tons for your help BTW linuxsampler rocks a lot, I can now play rhodes and grand piano on my Venom ... event if it glitches a bit :) |
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From: Christian S. <sch...@li...> - 2014-08-24 16:53:55
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On Sunday 24 August 2014 03:01:12 dwe...@gm... wrote: > Hi all, > Using linuxsampler with alsa driver I encounter glitchs which I suppose > are related to buffer_size > but while trying to tune it with following > > >SET AUDIO_OUTPUT_DEVICE_PARAMETER 0 FRAGMENTSIZE=1024 > > LS answers > > >Device parameter is read only You can provide the fragment size when you create the ALSA audio device, like this: CREATE AUDIO_OUTPUT_DEVICE ALSA FRAGMENTSIZE=1024 CU Christian |
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From: Christian S. <sch...@li...> - 2014-08-25 10:47:57
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On Monday 25 August 2014 09:55:28 you wrote: > Hi Christian > thanx for your last answer, it did the tricks. > > Still I get some sounds problems which now correlated with this message > > >Disk stream not available in time > > Would you have any tips to avoid these ? Did you change the default settings for max. disk streams and max. voices? The default values for "max. voices" are 64 voices and for "max. disk streams" 90 disk streams. With those default values you can even use ancient and lame hardware without getting into the issue you pasted above, i.e. a 15 years old PC would work fine. Or is that some extremely weak ARM board or something you are using? CU Christian |
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