linux-kernel - Re: [PATCH] ALSA: compress: add opus codec define

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Date:   Tue, 25 Jul 2023 12:25:16 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Robert Lee <lerobert@...gle.com>
Cc:     vkoul@...nel.org, perex@...ex.cz, tiwai@...e.com,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ALSA: compress: add opus codec define

On Tue, 25 Jul 2023 12:14:56 +0200,
Robert Lee wrote:
> 
> Thanks for reply so quickly.
> And yes, there are other changes but it is inside our offload pcm
> driver to handle it.
> Currently we only use it to decode, and we don't need additional option for it.

It means still a downstream-only change :)

It's nice to upstream changes in general, but from the upstream POV,
only changing this gives no benefit.  Let's tie with the actual use
case *in the upstream*.


thanks,

Takashi

> 
> Thanks,
> Robert.
> 
> Takashi Iwai <tiwai@...e.de> 於 2023年7月25日 週二 下午6:05寫道：
> >
> > On Tue, 25 Jul 2023 11:30:05 +0200,
> > Robert Lee wrote:
> > >
> > > Add to support decode Opus codec in Ogg container.
> > >
> > > Signed-off-by: Robert Lee <lerobert@...gle.com>
> >
> > The change makes sense only when it's really used.  So usually it's
> > better to put into a series that actually implements its usage.
> >
> >
> > thanks,
> >
> > Takashi
> >
> > > ---
> > >  include/uapi/sound/compress_params.h | 3 ++-
> > >  1 file changed, 2 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/include/uapi/sound/compress_params.h b/include/uapi/sound/compress_params.h
> > > index ddc77322d571..bac5797bcb02 100644
> > > --- a/include/uapi/sound/compress_params.h
> > > +++ b/include/uapi/sound/compress_params.h
> > > @@ -43,7 +43,8 @@
> > >  #define SND_AUDIOCODEC_BESPOKE               ((__u32) 0x0000000E)
> > >  #define SND_AUDIOCODEC_ALAC                  ((__u32) 0x0000000F)
> > >  #define SND_AUDIOCODEC_APE                   ((__u32) 0x00000010)
> > > -#define SND_AUDIOCODEC_MAX                   SND_AUDIOCODEC_APE
> > > +#define SND_AUDIOCODEC_OPUS                  ((__u32) 0x00000011)
> > > +#define SND_AUDIOCODEC_MAX                   SND_AUDIOCODEC_OPUS
> > >
> > >  /*
> > >   * Profile and modes are listed with bit masks. This allows for a
> > > --
> > > 2.41.0.487.g6d72f3e995-goog
> > >
>