Date: Sun, 5 Oct 2003 11:44:41 +0900 From: Taku YAMAMOTO <taku@cent.saitama-u.ac.jp> To: freebsd-multimedia@freebsd.org Subject: CALL FOR TESTERS (was Re: recording with the maestro 2e) Message-ID: <20031005114441.33049ab3.taku@cent.saitama-u.ac.jp> In-Reply-To: <20031003110604.36eccff4.otzinger@attcanada.ca> References: <20031003110604.36eccff4.otzinger@attcanada.ca>
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[-- Attachment #1 --]
Greetings,
I had finished working on recording stuff of Maestro-{1,2,2E}.
Although the code has been working for a month or two without major issues
here, it absolutely needs more testing to ensure there's no regression.
The new code adds the following features to the stock driver:
* PCM recording in 16bit mono/stereo format.
* Adjusts the size of device buffer around 20 millisecs to reduce latency.
* Reduces power consumption while the device is idle.
* MPSAFE isr & locking (5.x only, not tested on an SMP machine)
* Works with less contiguous memory wrt new DMA buffer allocation strategy.
It doesn't address the following things/problems yet:
* It doesn't work with PT101 codec (found on some Maestro1-based cards.)
* MPU401 (MIDI) & OPL3 (FM synth) emulation
The attached file is a tarball containing the new driver source code
(without a directory name), compressed with bzip2.
To use it, simply go to /sys/dev/sound/pci, untar the archive to replace
the source and rebuild either your kernel or the module snd_maestro.ko,
depending on your configuration, will (hopefully) work.
I would be very appreciated that many of Maestro users are so kind to give
the new code a test.
Sincerely yours,
Taku
--
-|-__ YAMAMOTO, Taku <taku@cent.saitama-u.ac.jp>
| __ <
Post Scriptum to everyone:
This time I sent a tarball rather than a patch.
It is simply because the patch bloated larger than the tarball. (oh my...)
Sorry for inconvinience, especially folks who don't have any Maestro chip.
Post Scriptum to epilogue:
IIRC I had sent a mail to you with the source recently.
Had the mail got lost?
On Fri, 3 Oct 2003 11:06:04 -0400
otzinger@attcanada.ca wrote:
>
> hello multimedia, mobile,
>
> i unfortunately didn't get a response from anyone at 'freebsd-questions', so i was
> hoping that someone here might be able to help out.
>
> i am eager (understatement) to use my laptop as a recording device. currently, the
> maestro-2e driver does not support recording on freebsd. during my most recent www
> quest, i turned up the the following...
>
> the linux driver info from its author:
> http://www.zabbo.net/maestro/
>
> and, more interestingly, the netbsd record enabled maestro-2e man page:
> http://netbsd.gw.com/cgi-bin/man-cgi?esm++NetBSD-current
>
> what do you think about the f-ease-ability of porting the netbsd driver over freebsd?
> or using the linux code? i am no hacker myself, so...
>
> MANY thanks to any who reply.
>
> ciao for now,
> epi
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