Well, I'm french and when reading my last message again it seems
strangely not really friendly ; well it's absolutely not my purpose and
I want to thank you again for paying attention to my problem...but my
english is not good enough to translate correctly my thoughts :)
cordialement,
Le 28/04/2012 16:14, moebius a écrit :
Bonjour,
Well, I can obtain, with pulseaudio, what I need : I just have to set
emu card at 48000 but it's not a good thing because when using alsa
directly or jack, I need to reset at 44100 in alsamixer ; it would be
nice to just set once sample rate at 44100.
I don't understand exactly what to ask at alsa developer because I don't
really want alsa doing what pulseaudio want ; it seems better that
pulseaudio detect the correct sample rate of the card and then open the
session at right sample rate, isn't it ?
I can't study what makes the difference because I'm not a programer.
cordialement,
Le 28/04/2012 14:28, Tanu Kaskinen a écrit :
On Sat, 2012-04-28 at 13:10 +0200, moebius wrote:
Bonjour,
I've tried to post in the list but my message doesn't appear ; perhaps
there's a problem with the attached fille....so I post directly to you,
sorry for the inconvenient
Yes, the largish attachment may have caused your message to go to the
moderation queue.
Bonjour,
Thank for your answer.
In fact, after changing samplerate in alsamixer and test immediat
result, I've reseted pulseaudio and test for changes again with no
success.
Now, after your mail and before testing, I've copied daemon.conf in
~./pulse/ and decomment and modify the sample rate line :
; default-sample-format = s16le
default-sample-rate = 44100
; default-sample-channels = 2
here are my soundcards ;the ensonic one is just here for driving midi
devices ; for audio, I use the EMU one :
cat /proc/asound/cards
0 [AudioPCI ]: ENS1371 - Ensoniq AudioPCI
Ensoniq AudioPCI ENS1371 at 0xd880, irq 16
1 [EMU0404 ]: Audigy2 - E-mu 0404b PCI [MAEM8852]
E-mu 0404b PCI [MAEM8852] (rev.0,
serial:0x40021102) at 0xdc00, irq 19
NB : the motherboard soundcard is disabled.
I join the pulse log
It contains this strange line :
( 0.064| 0.000) I: [pulseaudio] alsa-util.c: Device surround41:1
doesn't support 44100 Hz, changed to 48000 Hz.
This explains why you have to set the internal rate to 48000 when using
PulseAudio. If Jack and aplay can open the device in the 44100 mode, I
don't know why PulseAudio fails to do that. Presumably the device
opening sequence is done a bit differently in PulseAudio than e.g. in
aplay (I think the setup function calls can be called with different
order, and some Alsa drivers behave differently depending on the order).
So if you have the motivation, you could study what makes the
difference.
You could also ask on the alsa-devel mailing list if the driver
maintainer could improve the driver so that it would set the internal
rate automatically correctly when the device is opened. So if PulseAudio
opens the device in the 48000 mode, then the driver should set the
internal rate automatically to 48000 Hz.
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