[MPlayer-dev-eng] [patch] prefer ALSA over OSS

Zsolt Barat zsolt at bbm.de
Thu May 3 19:02:03 CEST 2007


Ivan Kalvachev schrieb:
> 2007/5/1, Jan Knutar <jknutar at nic.fi>:
>> On Sunday 29 April 2007 10:50, Attila Kinali wrote:
>>
>>> Hmm.. if you think that ALSA has improved conciderabily
>>> in the last year, then i will try it again.
>>> However, if this is really the case, the it's too early
>>> for MPlayer to change the default. There are too many
>>> people out there who use two year old kernels, just
>>> because they didn't want to upgrade their distro.
>> The alsa situation has improved considerably in MPlayer after Clemens
>> began fixing it, though it still does some fun things that maybe could
>> be improved. For example with my no-name USB audio device I get by
>> default a 10 second buffer, which is maybe a bit too much ;-) -abs 1
>> fixes, of course.
> 
> Let's give my enlightening on the subject.
> 
> ALSA project gains support because it have properly working kernel
> drivers, while the OSS one are virtually unmaintained.
> 
> However the situation with MPlayer is more than emblematic. We got
> descent alsa support only after ALSA developer came and reworked the
> driver. 
You talk complete bullshit here. I don't want to reduce clemens work but
"reworking" is truly the false expression. Just look at the changelog
yourself. He did some bugfixes like others did. He removed for example
the mmap mode and did some other simplifications, but this is far away
from reworking. It just shows how less insight some devs have, here
on this list. talking bullshit without having any glue about alsa or
even ao_alsa in mplayer.
For me alsa-support in mplayer worked from the early days on, after the
driver got stable. There was never a problem with a/v-sync which would
have been caused by, ao_alsa. mostly the people just don't know how to
set up their soundsystem (unmuting the soundcard).
i installed mplayer+alsa as default ao on several systems since years,
mostly as high demanding showcases and strict requierments for a/v-sync.
the last one is a hd-videoinstallation with 5.1 surround sound at the
stedeljik-museum in amsterdam which is now running since 2 months, day
by day. the installation is still running. you could visit it and see
and hear how smoothly mplayer and alsa is working together.

best

zsolt





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