From: Olaf Dabrunz <od@suse.de>
To: Linux Kernel List <linux-kernel@vger.kernel.org>
Cc: Jaroslav Kysela <perex@suse.cz>
Subject: Re: ALSA vs. OSS
Date: Tue, 20 Jan 2004 15:48:32 +0100 [thread overview]
Message-ID: <20040120144832.GJ14815@suse.de> (raw)
In-Reply-To: <Pine.LNX.4.58.0401201524230.2010@pnote.perex-int.cz>
On 20-Jan-04, Jaroslav Kysela wrote:
> On Tue, 20 Jan 2004, Olaf Dabrunz wrote:
>
> > > We don't do this in kernel. We implemented the direct stream mixing in our
> > > library (userspace). If your applications already uses ALSA APIs or if you
> > > redirect the OSS ioctls to ALSA library (our aoss library), you can enjoy
> > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > How can this be done? Just by creating symlinks?
>
> No. Use aoss script in our alsa-oss package.
Ah, I see.
# objdump -t /usr/lib/libaoss.so.0.0.0
/usr/lib/libaoss.so.0.0.0: file format elf32-i386
SYMBOL TABLE:
[...]
000062a0 g F .text 00000088 ioctl
[...]
00006490 g F .text 0000008f munmap
[...]
00006bc0 g F .text 00000857 select
[...]
000063c0 g F .text 000000cf mmap
[...]
00006180 g F .text 00000088 write
[...]
00006210 g F .text 00000088 read
[...]
00006890 g F .text 00000325 poll
[...]
00005fd0 g F .text 000000da open
[...]
00006330 g F .text 00000088 fcntl
[...]
000060b0 g F .text 000000c9 close
[...]
So libaoss.so is a wrapper for all file-related system-calls, I suppose
to catch calls involving /dev/dsp and /dev/audio.
--
Olaf Dabrunz (od / odabrunz), SUSE Linux AG, Nürnberg
next prev parent reply other threads:[~2004-01-20 14:50 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-19 17:18 ALSA vs. OSS Markus Hästbacka
2004-01-19 17:48 ` Steve Youngs
2004-01-19 18:21 ` Travis Morgan
2004-01-20 8:58 ` Gábor Lénárt
2004-01-20 9:46 ` Heinz Ulrich Stille
2004-01-20 13:18 ` Mark Borgerding
2004-01-20 14:03 ` Markus Hästbacka
2004-01-20 14:07 ` Takashi Iwai
2004-01-20 14:17 ` Markus Hästbacka
2004-01-20 14:28 ` Takashi Iwai
2004-01-20 14:37 ` Markus Hästbacka
2004-01-20 14:41 ` Takashi Iwai
2004-02-25 22:21 ` Markus Hästbacka
[not found] ` <20040120170658.GB23351@widomaker.com>
2004-01-20 17:35 ` Takashi Iwai
2004-01-20 14:08 ` Heinz Ulrich Stille
2004-01-20 15:13 ` Alistair John Strachan
2004-01-20 15:19 ` Jaroslav Kysela
2004-01-22 23:53 ` Zephaniah E. Hull
2004-01-23 8:31 ` Jaroslav Kysela
2004-01-20 19:00 ` Eric Sandall
2004-01-21 11:03 ` Dale Weber
2004-01-21 18:06 ` Mike Fedyk
2004-01-24 8:21 ` Travis Morgan
2004-01-20 19:24 ` Brian McGroarty
2004-01-20 19:46 ` Måns Rullgård
2004-01-19 18:08 ` Raphaël RIGO
2004-01-19 19:42 ` Jaroslav Kysela
2004-01-20 14:24 ` Olaf Dabrunz
2004-01-20 14:44 ` Thomas Dodd
[not found] ` <Pine.LNX.4.58.0401201524230.2010@pnote.perex-int.cz>
2004-01-20 14:48 ` Olaf Dabrunz [this message]
2004-01-20 15:06 ` Takashi Iwai
[not found] <20040119174543.59620.qmail@web40610.mail.yahoo.com>
2004-01-19 18:06 ` Markus Hästbacka
-- strict thread matches above, loose matches on Subject: below --
2004-01-21 2:40 Jonathan Boler
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