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rahulthewall
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PostPosted: Wed Jul 16, 2008 2:13 pm    Post subject: Oss4 Reply with quote

I have heard that OSS4 is supposed to be better than ALSA. I am more or less satisfied with AlSA, the only problem being that sound quality is not as great as on my XP installation. It is sometimes choppy and sometimes accompanied with static noise.
Therefore, I want to give OSS4 a try to see if it is really that good. However, I have a few questions before I start installing OSS4.

1. I guess I have to enable the oss use flag. Is that correct?

2. Do I have to enable support in the kernel for OSS? Or is there any other specific kernel option that I need.

3. Will applications work with oss4? How do I install the oss version of skype on gentoo?

4. What other config files would need updating?

5. Finally, is the gentoo wiki article exhaustive enough.

My sound card is Intel HD.
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PostPosted: Wed Jul 16, 2008 3:04 pm    Post subject: Re: Oss4 Reply with quote

rahulthewall3000 wrote:
I have heard that OSS4 is supposed to be better than ALSA. I am more or less satisfied with AlSA, the only problem being that sound quality is not as great as on my XP installation. It is sometimes choppy and sometimes accompanied with static noise.
Therefore, I want to give OSS4 a try to see if it is really that good. However, I have a few questions before I start installing OSS4.

1. I guess I have to enable the oss use flag. Is that correct?

2. Do I have to enable support in the kernel for OSS? Or is there any other specific kernel option that I need.

3. Will applications work with oss4? How do I install the oss version of skype on gentoo?

4. What other config files would need updating?

5. Finally, is the gentoo wiki article exhaustive enough.

My sound card is Intel HD.



don't enable ' oss ' in the Kernel, it's deprecated :!:

you can find information about oss4 here :

http://4front-tech.com/forum/viewforum.php?f=3&sid=f662441867c173b3a35934691adaf8bf

CooSee ' Ya
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PostPosted: Wed Jul 16, 2008 9:35 pm    Post subject: Reply with quote

rahulthewall3000 wrote:

Quote:
5. Finally, is the gentoo wiki article exhaustive enough


The gentoo wiki is quit sufficient, particularly if you review the "links". The Arch Linux wiki (http://wiki.archlinux.org/index.php/OSS) was quite helpful. There is a link for a skype oss-enabled binary in their wiki: http://skype.com/go/getskype-linux-oss

I suffered from "stunted" volume with my ATIIXP sound card using ALSA. Had to nearly max out PCM and Master controls just to get enough volume to hear sound at a normal level. With oss4 it worked like it should first time and the sound quality is quite acceptable for my use.

Good Luck.
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PostPosted: Wed Jul 16, 2008 10:59 pm    Post subject: Reply with quote

yer follow the gentoo wiki to hg clone the oss4 overlay - NOTE there is a slight change that needs to be done to the oss-devel-9999 ebuild if you want to use that - ie bleeding edge oss4.1 dev stuff (oss-4.1 due for release in Sept, if you use usb audio you will prob need this branch NOTE alot of changes w.r.t. vmix are happening in this branch)

oss4 is great and as long as your card is supported (they have a nice long list of supported chipsets) it really is plug-and-play.
True *NIX philosophy as in such devices are files.
The quality is great and well... its great. I ran into loads of annoying issues with alsa (always with.. edit ~/.asoundrc and add this, do this if this is happening... said file got messy and still didn't get what I needed)
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rahulthewall
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PostPosted: Thu Jul 17, 2008 8:20 am    Post subject: Reply with quote

I am also not fully satisfied with ALSA and therefore am keen to get OSSv4 to work but unfortunately and frustratingly, it is not working as it should for me.

Here are the steps that I took.

Code:

1. Added oss to my global use variables.
2. emerge -avuDN world
3. Followed the wiki guide to install OSS.
4. Changed everything in gnome-sound-properties to oss.


However, gnome-volume-control still does not work. I have gst-plugins-bad-0.10.7 installed on my computer. Each time I start gnome-volume-control I get the following error:

Code:

No volume control GStreamer plugins and/or devices found.


Please tell me how to solve this. I really would like to use ossv4.
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PostPosted: Thu Jul 17, 2008 11:22 am    Post subject: Reply with quote

rahulthewall3000 wrote:
Code:

No volume control GStreamer plugins and/or devices found.

Not possible yet I guess. GStreamer doesn't support OSS4. Also HAL doesn't.

You'll have to use ossmix.
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PostPosted: Thu Jul 17, 2008 11:33 am    Post subject: Reply with quote

or ossxmix
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PostPosted: Thu Jul 17, 2008 12:06 pm    Post subject: Reply with quote

gimpel wrote:
rahulthewall3000 wrote:
Code:

No volume control GStreamer plugins and/or devices found.

Not possible yet I guess. GStreamer doesn't support OSS4. Also HAL doesn't.

You'll have to use ossmix.


But it is working for my friend who is on Arch Linux!
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PostPosted: Thu Jul 17, 2008 12:25 pm    Post subject: Reply with quote

rahulthewall3000 wrote:
gimpel wrote:
rahulthewall3000 wrote:
Code:

No volume control GStreamer plugins and/or devices found.

Not possible yet I guess. GStreamer doesn't support OSS4. Also HAL doesn't.

You'll have to use ossmix.


But it is working for my friend who is on Arch Linux!

Sorry if my info was outdated. It seems that gstreamer-plugins-bad contains a oss4 gstreamer plugin.
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rahulthewall
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PostPosted: Thu Jul 17, 2008 12:29 pm    Post subject: Reply with quote

gimpel wrote:
rahulthewall3000 wrote:
gimpel wrote:
rahulthewall3000 wrote:
Code:

No volume control GStreamer plugins and/or devices found.

Not possible yet I guess. GStreamer doesn't support OSS4. Also HAL doesn't.

You'll have to use ossmix.


But it is working for my friend who is on Arch Linux!

Sorry if my info was outdated. It seems that gstreamer-plugins-bad contains a oss4 gstreamer plugin.


That is exactly the point, it contains a plugin. But it does not work for me. :)
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Naib
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PostPosted: Thu Jul 17, 2008 12:32 pm    Post subject: Reply with quote

maybe the gentoo gstreamer packages are not uptodate/missing build options
gentoo seems to lag w.r.t. gstreamer
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rahulthewall
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PostPosted: Thu Jul 17, 2008 1:11 pm    Post subject: Reply with quote

Naib wrote:
maybe the gentoo gstreamer packages are not uptodate/missing build options
gentoo seems to lag w.r.t. gstreamer


Any way to confirm this. Would be more than glad to find as to what exactly is the problem.
Or should I file a bug report about this?
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PostPosted: Thu Jul 17, 2008 8:33 pm    Post subject: Reply with quote

the problem is w.r.t. how gentoo deals with gst-plugins-{good,bad,ugly} by having a package for each sub-plugin
in this case the oss4 plugin to gst-plugins-bad doesn't have an ebuild for it

https://bugs.gentoo.org/show_bug.cgi?id=232109

hopefully it will get added to the tree soon
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PostPosted: Fri Jul 18, 2008 8:50 am    Post subject: Reply with quote

Thanks for that. I hope so as well.
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PostPosted: Sun Jul 20, 2008 9:33 pm    Post subject: Reply with quote

need a bit of help I'm afraid.

Have a Creative Xfi and trying to install OSS driver.

Following instructions from the wiki but when I emerge oss I get the following error

Code:

# emerge oss
Calculating dependencies |
!!! All ebuilds that could satisfy "media-sound/oss" have been masked.
!!! One of the following masked packages is required to complete your request:
- media-sound/oss-4.0.1016 (masked by: ~x86 keyword)

For more information, see MASKED PACKAGES section in the emerge man page or
refer to the Gentoo Handbook.


if I emerge oss-devel I get the following.

Code:

# emerge oss
Calculating dependencies |
!!! All ebuilds that could satisfy "media-sound/oss" have been masked.
!!! One of the following masked packages is required to complete your request:
- media-sound/oss-4.0.1016 (masked by: ~x86 keyword)

For more information, see MASKED PACKAGES section in the emerge man page or
refer to the Gentoo Handbook.


I'm running the 2.6.25-r6 kernel and installed using the i386 stage tarball.

I'm sorry if this is a silly question or very basic but I'm still very new to Gentoo but trying to learn
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PostPosted: Sun Jul 20, 2008 9:47 pm    Post subject: Reply with quote

echo "media-sound/oss ~x86" >> /etc/portage/package.keywords
echo "media-sound/oss-devel ~x86" >> /etc/portage/package.keywords
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PostPosted: Mon Jul 21, 2008 12:25 pm    Post subject: Reply with quote

Naib wrote:
echo "media-sound/oss ~x86" >> /etc/portage/package.keywords
echo "media-sound/oss-devel ~x86" >> /etc/portage/package.keywords


Thanks Naib that worked perfectly. :D
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PostPosted: Tue Jul 22, 2008 12:16 am    Post subject: Reply with quote

I have the intel HDA chipset too and just switched to OSS4. Sound quality is a huge improvement over ALSA - but the firefox flash plugin no-longer has sound. Is there a cure for this? I've tried the advice from this post but still nothing...

edit: found it - V 4.1 (but not 9999) has a flash use flag which gives me sound.
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PostPosted: Tue Jul 22, 2008 7:55 am    Post subject: Reply with quote

DooBeDooBeDo wrote:
I have the intel HDA chipset too and just switched to OSS4. Sound quality is a huge improvement over ALSA - but the firefox flash plugin no-longer has sound. Is there a cure for this? I've tried the advice from this post but still nothing...

edit: found it - V 4.1 (but not 9999) has a flash use flag which gives me sound.


Even OSS 4.0 has a flash use flag.
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PostPosted: Tue Jul 22, 2008 7:34 pm    Post subject: Reply with quote

rahulthewall3000 wrote:
DooBeDooBeDo wrote:
I have the intel HDA chipset too and just switched to OSS4. Sound quality is a huge improvement over ALSA - but the firefox flash plugin no-longer has sound. Is there a cure for this? I've tried the advice from this post but still nothing...

edit: found it - V 4.1 (but not 9999) has a flash use flag which gives me sound.


Even OSS 4.0 has a flash use flag.


the oss-devel-9999 does infact lack a flash USE flag, however all that USE flag does is put a RDEPEND of libflashsupport
trivial to put such a USE flag and DEPEND into the 9999 ebuild, ill post it on the oss4 forums
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PostPosted: Tue Jul 22, 2008 9:55 pm    Post subject: Reply with quote

If your having problems with newer versions of gstreamer and OSS, try my ebuild with a fix from the OSS forums, it works fine for 0.10.6 if the newer 10.7 doesnt work. Follow the link in my sig, the updated file and info is on my blog :)
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PostPosted: Wed Jul 23, 2008 7:23 am    Post subject: Reply with quote

Nick C wrote:
If your having problems with newer versions of gstreamer and OSS, try my ebuild with a fix from the OSS forums, it works fine for 0.10.6 if the newer 10.7 doesnt work. Follow the link in my sig, the updated file and info is on my blog :)


I will try this out tonight, but if I get you correctly, this patch works only for 0.10.6 and not for 0.10.7 ?
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PostPosted: Tue Aug 19, 2008 3:41 pm    Post subject: Reply with quote

i tried oss4 and sound better! i have a sb live value card :D
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PostPosted: Sat Aug 23, 2008 9:32 pm    Post subject: Reply with quote

DarkMind wrote:
i tried oss4 and sound better! i have a sb live value card :D


yer I found the snd quality of OSS4 to be great. the VMIX is super as well
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PostPosted: Sun Aug 24, 2008 9:51 am    Post subject: Reply with quote

Mark me down as unimpressed. While I did find a usable ebuild, that didn't insure success. I got sound. to be sure. However, just as in the dark days before 2.6.26, plugging in the headphones doesn't shut off the speakers. That's no good. Hopefully, the fix for the driver will come. For now, I stick with alsa.

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