From: "Iain Sandoe" <iain@sandoe.co.uk>
To: Henry Worth <haworth@ncal.verio.com>, linuxppc-dev@lists.linuxppc.org
Subject: Re: [RFC] DMAsound 2.4.0-tx => 2.2.17 back-port.
Date: Thu, 24 Aug 2000 16:52:47 +0100 [thread overview]
Message-ID: <200008241552.QAA08359@hyperion.valhalla.net> (raw)
Hi Henry,
> However, on the Pismo it looks like that in additional to the LE
> modes not being set, as previously discussed, the 8bit mode and rate
> parms are also not getting set in the Screamer. The RAW_AFMT_S8_S_44K
> sample sounds like Alvin and the Chipmonks and the lower rate samples
> are just high-speed jibberish. Here's the stest ouput for a couple:
The rate, mode and so is all done in software by the dmasound driver. The
only hardware assists are: different sample rates (where supported) and
LE/BE swapping.
Oops, my stest instructions were not good enough - you need to tell stest
what the format of the file is: **It does not look at *any* header
information**
./stest with no params will give you all the options.
> [henry@osprey stest]$ ./stest -f AFMT_S16_LE_S_44K.wav
./stest -b16 -s -B -r 44100 -f AFMT_S16_LE_S_44K.wav
(IIRC) would be right here...
and so on...
Sorry, I'll update the web page to point this out.
ciao,
Iain
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next reply other threads:[~2000-08-24 15:52 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-08-24 15:52 Iain Sandoe [this message]
2000-08-24 22:38 ` [RFC] DMAsound 2.4.0-tx => 2.2.17 back-port Henry Worth
2000-08-24 23:26 ` Benjamin Herrenschmidt
-- strict thread matches above, loose matches on Subject: below --
2000-08-24 23:56 Iain Sandoe
2000-08-24 17:58 Iain Sandoe
2000-08-24 16:30 Iain Sandoe
2000-08-24 16:36 ` Michel Dänzer
2000-08-24 19:46 ` Henry Worth
2000-08-24 15:37 Henry Worth
2000-08-24 16:08 ` [RFC] " Michel Dänzer
2000-08-24 16:15 ` Hollis R Blanchard
2000-08-07 1:00 Iain Sandoe
2000-08-24 13:07 ` Geert Uytterhoeven
2000-08-28 15:37 ` Richard Zidlicky
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