[LAD] Replacement for KbdCtl.bell

[Joel Roth]

On Fri, Feb 04, 2022 at 11:25:30AM +0100, Peter wrote:
> Dear Joel,
> 
> Am 04.02.22 um 11:02 schrieb Joel Roth:
> [...]
> 
> > > There I was using the  KbdCtl.bell_* to generate tones with a given frequency and duration:
> > > 
> > >          // switch to new state
> > >          KbdCtl.bell_percent = 100;
> > >          KbdCtl.bell_pitch = Frequency;
> > >          KbdCtl.bell_duration = Duration;
> > >          XChangeKeyboardControl(pDisplay, KBBellPercent | KBBellPitch | KBBellDuration, &KbdCtl);
> > > 
> > > 
> > > Is there still such a simple method available to generate a tone with a given duration and frequency.
> > > Of course I could generate a corresponding array and send it to jackd, I'm just looking for something simple.
> > 
> > 1200Hz for 10s
> > 
> > ecasound -i:tone,sine,1200,10 -o:jack,system
> 
> thanks, yes this work nicely from the command line.
> However, calling this from a small C-code looks not like a simple solution,at least one has to install ecasound,
> on on quick search I couldn't find an API for it.

You would have to install it, but there is a C API.

https://ecasound.seul.org/ecasound/Documentation/programmers_guide/html_ecidoc/eci_doc.html#sec22


> I also tried pysine, but I have difficulties to get it running.
> 
> To refine my question, I'm looking for a simple replacement usable within C.



> Best regards,
> Peter
> _______________________________________________
> Linux-audio-dev mailing list
> Linux-audio-dev at lists.linuxaudio.org
> https://lists.linuxaudio.org/listinfo/linux-audio-dev

-- 
Joel Roth