Ameter plugin : looping sound

Ameter plugin : looping sound

[laugeo2]

Hi,
 Ameter  is a metering plugin for Alsa :
http://laugeo.free.fr/ameter.html
 It stopped working since 1.0.10,and also fails with 1.0.11rc1 (was ok with
1.0.9) :
Playing a sound with aplay (or any other program) cause  a short sound looping
in audio out ,while  peakmeter displays the real soundfile level .
 It seems that the looping sound is the end of the last played sound .
 I have Mandriva 2005 (2.6.11 standard kernel),  ens1371 sound card.
Somenone else has reported the problem ( I don't know his config) .

Test command:
aplay -D ameter sound.wav -v
It returns no error.

My .asoundrc:

pcm_scope.ameter {
        type ameter
}
pcm_scope_type.ameter {
        lib /usr/local/lib/libameter.so
}
pcm.ameter {
        type meter
        slave.pcm  hw
        scopes.0 ameter
}
pcm.dsp0 ameter

Thanks for any idea !
Laurent Georget


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Re: Ameter plugin : looping sound

[Lee Revell]

On Wed, 2005-12-14 at 23:17 +0100, laugeo2@free.fr wrote:
> Hi,
>  Ameter  is a metering plugin for Alsa :
> http://laugeo.free.fr/ameter.html
>  It stopped working since 1.0.10,and also fails with 1.0.11rc1 (was ok with
> 1.0.9) :
> Playing a sound with aplay (or any other program) cause  a short sound looping
> in audio out ,while  peakmeter displays the real soundfile level .
>  It seems that the looping sound is the end of the last played sound .
>  I have Mandriva 2005 (2.6.11 standard kernel),  ens1371 sound card.
> Somenone else has reported the problem ( I don't know his config) .
> 
> Test command:
> aplay -D ameter sound.wav -v
> It returns no error.

The easiest solution is to use ALSA CVS to do a binary search and find
out exactly which commit broke it.

I like to go by date as not all releases get tagged in CVS:

cvs update -D2005-11-01 -A

etc

Lee



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Re: Ameter plugin : looping sound

[laugeo2]

> >Hi,
> >Ameter  is a metering plugin for Alsa :
> >http://laugeo.free.fr/ameter.html
> > It stopped working since 1.0.10,and also fails with 1.0.11rc1 (was ok with
> >1.0.9) :
> >Playing a sound with aplay (or any other program) cause  a short sound
looping
> >in audio out ,while  peakmeter displays the real soundfile level .
> > It seems that the looping sound is the end of the last played sound .
> > I have Mandriva 2005 (2.6.11 standard kernel),  ens1371 sound card.
> >Somenone else has reported the problem ( I don't know his config) .
> >
> >Test command:
> >aplay -D ameter sound.wav -v
> >It returns no error.

>The easiest solution is to use ALSA CVS to do a binary search and find
>out exactly which commit broke it.
>
>I like to go by date as not all releases get tagged in CVS:
>
>cvs update -D2005-11-01 -A
>etc
>Lee

It is ok on 2005-09-02 and broken on 2005-09-03
Changing only alsa-lib  makes the problem to appear.

The files that are updated between 09-02 and 09-03:
U alsa-lib/src/pcm/pcm_file.c
U alsa-lib/src/pcm/pcm_generic.c
U alsa-lib/src/pcm/pcm_generic.h
U alsa-lib/src/pcm/pcm_local.h
U alsa-lib/src/pcm/pcm_mmap.c
U alsa-lib/src/pcm/pcm_null.c
U alsa-lib/src/pcm/pcm_plug.c
U alsa-lib/src/pcm/pcm_rate.c
U alsa-lib/src/pcm/pcm_softvol.c

May be it is enough for you, or I can search more exactly
which file(s) are bad for the meter.
Regards

Laurent


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