[pulseaudio-tickets] [Bug 84585] Issue of CPU usage with HiFiBerry driver snd_soc_hifiberry_amp with Debian Wheezy kernel 3.12.28

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84585

--- Comment #34 from Alessandro Ferri <alessandroferri_015 at fastwebnet.it> ---
(In reply to Raymond from comment #29)
> pulseaudio need to provide debug info about the number of frames written
> when it call snd_pcm_start
> 
> since work_done must be at least the size of fifo buffer or twice the dma
> brust size 
> 
> 
> /*             pa_log_debug("work_done = %i", work_done); */
> 
>             if (work_done) {
> 
>                 if (u->first) {
> -                    pa_log_info("Starting playback.");
> +                    pa_log_info("Starting playback %d ", work_done);
>                     snd_pcm_start(u->pcm_handle);
> 
>                     pa_smoother_resume(u->smoother, pa_rtclock_now(), true);
> 
>                     u->first = false;
>                 }
> 
>                 update_smoother(u);
>             }



Dear Raymond, 
I'm sorry, but I can not understand the suggestions that you send me. I
download pulseaudio from the Debian Wheezy official repository of RaspberryPi,
so I do not have the source code of pulseaudio. At the moment I can modify the
startup parameters of the demon from /etc/pulse/daemon.conf or I can change
load modules and parameters from /etc/pulse/system.pa. If I have to download
the source code and compile it by changing some parts, I need you to tell me
and show me all the specifications for how to do it,  which version of the code
download, how to compile etc...

Best regards.

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