[LAU] [ANN] Virtual MIDI Piano Keyboard 0.1.0

[hermann meyer]

Am Sonntag, den 31.08.2008, 20:33 +0300 schrieb David Baron:
> On Sunday 31 August 2008 12:26:39 Pedro Lopez-Cabanillas wrote:
> > This is the first public release of Virtual MIDI Piano Keyboard. It is a
> > MIDI event generator and receiver. It doesn't produce any sound by itself,
> > but can be used to drive a MIDI synthesizer (either hardware or software,
> > internal or external). You can use the computer's keyboard to play MIDI
> > notes, and also the mouse. You can use the Virtual MIDI Piano Keyboard to
> > display the played MIDI notes from another instrument or MIDI file player.
> >
> > VMPK has been tested in Linux and Windows, but maybe you can build it also
> > in Mac OSX and SGI Irix. If you can compile and test the program in those
> > systems, please drop me a mail.
> >
> > The Virtual Keyboard by Takashi Iway (vkeybd) has been the inspiration for
> > this one. It is a wonderful piece of software and has served us well for
> > many years. Thanks!
> >
> > VMPK is written in C++ using two free and platform independent frameworks:
> > Qt4 (4.3 or newer is needed) and RtMIDI for MIDI input/output. It uses ALSA
> > sequencer in Linux, WinMM in Windows and CoreMIDI in Mac OSX, which are the
> > native MIDI systems in each supported platform. See:
> > 	http://www.music.mcgill.ca/~gary/rtmidi/
> >
> > The alphanumeric keyboard mapping can be configured from inside the program
> > using the GUI interface, and the settings are stored in XML files. Some
> > maps for Spanish, German and French keyboard layouts are provided.
> >
> > VMPK can send program changes and controllers to a MIDI synth. The
> > definitions for different standards and devices can be provided as .INS
> > files, the same format used by Qtractor, TSE3, Cakewalk and Sonar.
> >
> > This software is in a very early alpha stage. Please feel free to contact
> > me to ask questions, report bugs, and propose new features. You can use the
> > tracking system at SourceForge project site.
> >
> > Copyright (C) 2008, Pedro Lopez-Cabanillas
> > License: GPL v3
> >
> > Web site:
> > 	http://vmpk.sourceforge.net
> > 	http://sourceforge.net/projects/vmpk
> >
> > Download sources:
> > 	http://downloads.sourceforge.net/vmpk/vmpk-0.1.0.tar.bz2
> > 	http://downloads.sourceforge.net/vmpk/vmpk-0.1.0.tar.gz
> >
> > Download openSUSE RPM packages:
> > 	http://software.opensuse.org/search?baseproject=ALL&p=1&q=vmpk
> >
> > Regards,
> > Pedro
> 
> Very nice.
> 
> However, I have seen these work much better. Pressing two keys simultaneously 
> yields a considerable delay between the two notes. So you might check how you 
> are getting the keys--might need a lower level call?
> 
> I have also seen things thing dual-manual. One is z ... like you have your 
> default layout. The second is from q .... Now one sets two voices :-)
> 
> The two programs like this I have used before:
> 
> If you have ever seen the good old (very old) vpiano windows applet? No voices 
> but the keyboard works very nicely.
> 
> On the linux side, there is jack-keyboard which has two manuals and everything 
> you have and no latency. This uses jack-midi. (Jack-midi seems to disable non-
> jack-midi programs right now so yours might be a better alternative!)
> 

Hello

I get the same results, vmpk need's to much cpu power and it follow the
mouse to slow. When I send singnals from vkeybd or jack-keyboard to vmpk
input, it reflect the input on the gui, also to slow, and there is no
output. But anyway, it looks good and is welcome.

regards  hermann