k.s.matheussen at gmail.com
Tue Dec 13 10:43:31 CET 2016
(putting back jack-devel again)
It just says that it configures for 22050Hz, it doesn't say whether it
So things seems to work as it should.
On Tue, Dec 13, 2016 at 10:38 AM, ROBERT WOLF <
robert.wolf at hercsmusicsystems.com.au> wrote:
> Two programs show this information:
> 1. QJackCtl.
> 2. When I run my own program *AND* jack server is not running, *THEN* for
> some reason the jack server gets started (apparently using the command
> stored in .jackdrc file) and I see the following printout:
> jackd 0.122.0
> Copyright 2001-2009 Paul Davis, Stephane Letz, Jack O'Quinn, Torben Hohn
> and others.
> jackd comes with ABSOLUTELY NO WARRANTY
> This is free software, and you are welcome to redistribute it
> under certain conditions; see the file COPYING for details
> JACK compiled with System V SHM support.
> loading driver ..
> apparent rate = 22050
> creating alsa driver ... hw:PCH,0|hw:PCH,0|1024|2|
> ALSA lib conf.c:4578:(parse_args) Unknown parameter 1
> ALSA lib conf.c:4711:(snd_config_expand) Parse arguments error: No such
> file or directory
> ALSA lib control.c:953:(snd_ctl_open_noupdate) Invalid CTL hw:PCH,0
> control open "hw:PCH,0" (No such file or directory)
> configuring for 22050Hz, period = 1024 frames (46.4 ms), buffer = 2 periods
> ALSA: final selected sample format for capture: 32bit integer little-endian
> ALSA: use 2 periods for capture
> ALSA: final selected sample format for playback: 32bit integer
> ALSA: use 2 periods for playback
> *HOWEVER!!!! **jack_get_sample_rate(...);* still reports *44100*.
> How intriguing?!
> On 13/12/16 19:53, Kjetil Matheussen wrote:
> Which program shows this window?
> (added jack-devel mailing list back to the conversation)
> On Tue, Dec 13, 2016 at 8:35 AM, ROBERT WOLF <robert.wolf@
> hercsmusicsystems.com.au> wrote:
>> There is a window with messages and it says this:
>> configuring for 22050Hz, period = 1024 frames (46.4 ms), buffer = 2
>> On 13/12/16 11:09, Kjetil Matheussen wrote:
>> On Mon, Dec 12, 2016 at 7:33 AM, ROBERT WOLF <
>> robert.wolf at hercsmusicsystems.com.au> wrote:
>>> Dear All,
>>> According to the documentation *jack_get_sample_rate* reports the
>>> sample rate as was used by *jackd*.
>>> This does not happen in my case.
>>> I start *jackd* using different sampling rates (i.e. 22050, ect.).
>>> JACK reports that it does indeed uses the selected sampling rate.
>>> But *jack_get_sample_rate* always returns 44100.
>> How did Jack report that it used the selected sampling rate?
>> I.e. where did you read that?
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