[vlc-devel] [PATCH] audio_output: increase allowed max sample rate to 384 kHz
Thomas Guillem
thomas at gllm.fr
Thu May 16 09:52:00 CEST 2019
So you need to fix amem too.
Tristan: On which OS did you test such rate ?
On Wed, May 15, 2019, at 19:11, Tristan Matthews wrote:
> On Wed, May 15, 2019 at 1:08 PM Rémi Denis-Courmont <remi at remlab.net> wrote:
> >
> > Le keskiviikkona 15. toukokuuta 2019, 19.01.10 EEST Tristan Matthews a écrit :
> > > Fixes #21925
> > > ---
> > > src/audio_output/dec.c | 2 +-
> > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/src/audio_output/dec.c b/src/audio_output/dec.c
> > > index 91f9ccf2fe..e0c9f32b7e 100644
> > > --- a/src/audio_output/dec.c
> > > +++ b/src/audio_output/dec.c
> > > @@ -72,7 +72,7 @@ int aout_DecNew(audio_output_t *p_aout, const
> > > audio_sample_format_t *p_format, }
> > > }
> > >
> > > - if( p_format->i_rate > 352800 )
> > > + if( p_format->i_rate > 384000 )
> > > {
> > > msg_Err( p_aout, "excessive audio sample frequency (%u)",
> > > p_format->i_rate );
> >
> > Looks OK, but anybody remembers where the existing limit comes from?
>
> Yup:
>
> commit c8f94cd8514978513e18197c2c5ee4ccbc478226
> Author: Rémi Denis-Courmont <remi at remlab.net>
> Date: Mon Aug 5 18:58:26 2013 +0300
>
> aout: allow frequency up to 352.8 kHz
>
> This is the frequency for SACD Digital eXtreme Definition.
>
> Higher sample rates exist, notably DSD's 2822.4kH but that is not PCM
> and the bitrate computation would really risk 31-bits integer overflow.
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