[Gambas-user] Generating a sine wave with ALSA

Jussi Lahtinen jussi.lahtinen at ...626...
Wed Dec 18 00:05:29 CET 2013


No, as the name suggest it's float, not integer.

Jussi


On Wed, Dec 18, 2013 at 12:03 AM, Ru Vuott <vuott at ...325...> wrote:

> Uhmmmm... it would seem to be correct.
> In fact, if I insert this line in the code C:
>
>    printf("SND_PCM_FORMAT_FLOAT value =  %d", SND_PCM_FORMAT_FLOAT);
>
> and then I run that compilated C code, I obtain in terminal this results:
>
>      SND_PCM_FORMAT_FLOAT value =  14
>
>
> In addition, you can easily calculate the enumeration of that ALSA
> Constant in this page (see at Enumerations):
>
>   http://www.alsa-project.org/alsa-doc/alsa-lib/group___p_c_m.html
>
> You can see:  SND_PCM_FORMAT_FLOAT = SND_PCM_FORMAT_FLOAT_LE
>
>
> Thank you for your  help.
>
> bye
> vuott
>
>
>
> --------------------------------------------
> Mar 17/12/13, Jussi Lahtinen <jussi.lahtinen at ...626...> ha scritto:
>
>  Oggetto: Re: [Gambas-user] Generating a sine wave with ALSA
>  A: "mailing list for gambas users" <gambas-user at lists.sourceforge.net>
>  Data: Martedì 17 dicembre 2013, 22:34
>
>  At least this isn't right:
>  Private Const SND_PCM_FORMAT_FLOAT As Integer = 14
>
>  I'll look more closely later.
>
>  Jussi
>
>
>  On Tue, Dec 17, 2013 at 11:31 PM, Ru Vuott <vuott at ...325...>
>  wrote:
>
>  > The C code is in Data folder of Gambas project.
>  >
>  > Anyway, I've attached it to this email.
>  >
>  > Bye
>  > vuotttttttt
>  >
>  >
>  >
>  > --------------------------------------------
>  > Mar 17/12/13, Jussi Lahtinen <jussi.lahtinen at ...626...>
>  ha scritto:
>  >
>  >  Oggetto: Re: [Gambas-user] Generating a sine wave
>  with ALSA
>  >  A: "mailing list for gambas users" <gambas-user at lists.sourceforge.net>
>  >  Data: Martedì 17 dicembre 2013, 22:26
>  >
>  >  Where is the C source? Without it I
>  >  can't say whether you have translated
>  >  it correctly or not.
>  >
>  >  Jussi
>  >
>  >
>  >  On Tue, Dec 17, 2013 at 6:38 PM, Ru Vuott <vuott at ...325...>
>  >  wrote:
>  >
>  >  > Hello,
>  >  >
>  >  > in my eternal struggle with ALSA
>  >  :-)   I was trying to convert in
>  gambas
>  >  > a C code, written to generate a sine wave
>  with ALSA
>  >  functions.
>  >  >
>  >  > When I run the application, I can hear the
>  sound of the
>  >  wave, but it is
>  >  > mixed with a background hiss.
>  >  >
>  >  > I would like to have your opinion and check
>  if I have
>  >  made good the
>  >  > conversion.
>  >  >
>  >  > Attached:
>  >  > - The Gambas source (in the Data folder is
>  the original
>  >  C code);
>  >  > - The compiled C program that works
>  perfectly ... As I
>  >  would like with
>  >  > Gambas!  :-(
>  >  >
>  >  > regards and thanks
>  >  > vuott
>  >  >
>  >  >
>  >
>  >
>
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