From: Jason Mancine <jason@mancine.net>
To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@alsa-project.org
Subject: Re: Zoom R16
Date: Tue, 11 Mar 2014 09:34:14 -0400 [thread overview]
Message-ID: <CAPrbH=uWAULPkgaZD1PKR+i_LkJ4FZ0irw07Cfxi9AacoCT7Xg@mail.gmail.com> (raw)
In-Reply-To: <s5hr469f8zr.wl%tiwai@suse.de>
> My question is how did you check that the 32bit format is used.
> And, don't do top-posting.
>
>
> Takashi
Sorry, i am unsure how to not top post when replying via email.
With capture and playback .formats set to SNDRV_PCM_FMTBIT_S24_3LE, jack
log shows:
ALSA: final selected sample format for playback: 32bit integer
little-endian
and
/proc/asound/R16/stream0 shows:
Playback:
Status: Stop
Interface 1
Altset 1
Format: S32_LE
Channels: 2
Endpoint: 3 OUT (ADAPTIVE)
Rates: 44100, 48000, 88200, 96000
Data packet interval: 125 us
Capture:
Status: Stop
Interface 2
Altset 1
Format: S32_LE
Channels: 8
Endpoint: 4 IN (SYNC)
Rates: 44100, 48000, 88200, 96000
Data packet interval: 125 us
> > On Mar 11, 2014 3:09 AM, "Takashi Iwai" <tiwai@suse.de> wrote:
> >
> > > At Mon, 10 Mar 2014 16:44:19 -0400,
> > > Jason Mancine wrote:
> > > >
> > > > Yes, I have tried those .formats with no luck...it still
initializes at
> > > 32
> > >
> > > How did you check it?
> > >
> > >
> > > Takashi
> > >
> > > > On Mar 10, 2014 4:29 PM, "Alan Horstmann" <gineera@aspect135.co.uk>
> > > wrote:
> > > >
> > > > > On Monday 10 March 2014 14:36, Jason Mancine wrote:
> > > > > > I am still working on trying to get the R16 to work for
playback.
> > > > >
> > > > > > So, the main question is how do I force ALSA to initialize this
> > > device at
> > > > > > 24 bit integer?
> > > > >
> > > > > Isn't the answer in Takashi's original reply...?
> > > > >
> > > > > > > On Dec 6, 2013 11:25 AM, "Takashi Iwai" <tiwai@suse.de>
wrote:
> > > > > > >> Do you mean the 24bit physical size, i.e. each frame is
packed in
> > > 3
> > > > > > >> bytes? If so, you used a wrong format.
SNDRV_PCM_FMTBIT_S24_LE
> > > is
> > > > > > >> for 24bit format packed in 32bit frame. If you need a
3-bytes
> > > frame,
> > > > > > >> use SNDRV_PCM_FMTBIT_S24_3LE instead.
> > > > >
> > > > > Many USB devices have this...
> > > > >
> > > > > > .type =
QUIRK_AUDIO_FIXED_ENDPOINT,
> > > > > > .data = & (const struct
audioformat)
> > > {
> > > > > > .formats =
SNDRV_PCM_FMTBIT_S24_LE,
> > > > >
> > > > > .formats =
SNDRV_PCM_FMTBIT_S24_3LE,
> > > > >
> > > > > instead. That would apply for capture also. Or is that what you
have
> > > been
> > > > > trying?
> > > > >
> > > > > Regards
> > > > >
> > > > > Alan
> > > > >
> > > > _______________________________________________
> > > > Alsa-devel mailing list
> > > > Alsa-devel@alsa-project.org
> > > > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
> > > >
> > >
> > [2 <text/html; ISO-8859-1 (quoted-printable)>]
> >
next prev parent reply other threads:[~2014-03-11 13:34 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-22 18:12 Zoom R16 Jason Mancine
2013-11-22 20:31 ` Jason Mancine
2013-11-24 13:03 ` Daniel Mack
[not found] ` <CAPrbH=tGph7__rgx-5BsBSi9-E95FpsTL9Yy0zbum0TccTPbyQ@mail.gmail.com>
[not found] ` <20131124141803.GC23126@tamtam.fritz.box>
2013-11-26 18:22 ` Jason Mancine
2013-11-28 14:42 ` Jason Mancine
2013-11-28 14:50 ` Jason Mancine
2013-12-06 16:10 ` Jason Mancine
2013-12-06 16:25 ` Takashi Iwai
2013-12-06 17:28 ` Jason Mancine
2014-03-10 14:36 ` Jason Mancine
2014-03-10 20:28 ` Alan Horstmann
2014-03-10 20:44 ` Jason Mancine
2014-03-11 7:09 ` Takashi Iwai
2014-03-11 7:59 ` Jason Mancine
2014-03-11 8:13 ` Takashi Iwai
2014-03-11 13:34 ` Jason Mancine [this message]
2014-03-11 13:40 ` Takashi Iwai
2014-03-11 15:16 ` Jason Mancine
2014-03-11 15:32 ` Takashi Iwai
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