[vorbis] Is GCC 2.95.2 also unusable?
philippe at ufoh.com
Sat Oct 13 15:40:02 PDT 2001
> > Does anyone know if GCC 2.95.2 compiles a broken oggenc? My .ogg files
> > sound like they're being played by a CD player stuck on fast-
> > forward. . . . And I wonder what the solution is.
volsung at asu.edu (Stan) wrote:
> I think the problem is not with oggenc (the compiler issue you refer to
> generates artifacts, but not fast-forward like behavior), but rather with
> libao, the library that does audio output for ogg123. If you are not using
> ogg123, then I'm totally wrong.
I am using ogg123. Well-spotted.
> However, if you are, you would be the third Linux+Mac user to observe this
> problem. It occurs because libao opens the audio device in non-blocking mode
> and then turns blocking on after the device is open. (There are good reasons
> for this, which I can explain if you care.) However, one or more of the audio
> drivers for Linux on PPC seem to be ignoring the second call in libao that
> turns the blocking flag back on. This is a bug in the audio driver and not
> libao, however.
Well, I'm not an über-technie--but sometimes even knowing vaguely why
something doesn't work leads to a real solution. . . .
> Please see http://bugs.xiph.org/show_bug.cgi?id=48 for a patch to libao to
> work around this problem. You'll note in my explanation on Bugzilla that I
> want to make a configure test to check for this bug, but I don't know how to
> test for it, so I haven't yet. If anyone has some good ideas let me know.
> Can you tell me which kernel modules you use for sound?
Er . . . I use a 2.2.17pre20-ben3 kernel and haven't done any kernel
> Also, I would suggest
> you contact the maintainer of the sound drivers you are using, explain your
> problem and point them at the bug page I listed above. You can also give them
> my email address if they need a more detailed description of the bug.
Thanks very very much for your answer to this query. I will do't. . . .
--- >8 ----
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