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+---- Thread: Linux Radeon OSS with vdpau (howto) (/showthread.php?tid=174854)
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RE: Radeon OSS with vdpau (howto) - FernetMenta - 2014-07-21
(2014-07-21, 00:08)msfc Wrote: Problem: No audio when playing 1080p h.264 video with 2 channel adpcm_ima_wav audio. Video is okay. Audio on other videos (mp4, 3gp(?)) is okay. Audio on music files is okay.
This is fixed in 13.2 and Helix alpha
RE: Radeon OSS with vdpau (howto) - msfc - 2014-07-21
(2014-07-21, 17:18)FernetMenta Wrote: This is fixed in 13.2 of Helix alpha
Thanks for the quick reply. Is "Helix" a typo here? xmbc.org has an announcement about Gotham 13.2 beta1. Is the fix in there?
RE: Radeon OSS with vdpau (howto) - FernetMenta - 2014-07-21
"of" was a typo. Helix (master branch) and 13.2 have the fix.
RE: Radeon OSS with vdpau (howto) - tomtomme - 2014-07-22
(2014-07-21, 16:32)MathewCNichols Wrote: There is definitely some sort of bug with the kernel and the GPU only detecting 2 channels on HDMI. It's a bug that the AMD proprietary drivers have solved, but of course they don't run VDPAU.
I'm guessing most of the problems referenced in the last page of this thread are related to this multichannel audio detection bug. Then again, I am no dev.
I've gotten a reply on the alsa-devel, but I'm still waiting for a reply from Anssi or another dev though.
http://mailman.alsa-project.org/pipermail/alsa-devel/2014-July/079069.html
Hi Mathew,
the reply was from me
to just confirm the bug. I am also waiting on a dev-reply.cheers tomme
RE: Radeon OSS with vdpau (howto) - MathewCNichols - 2014-07-23
Thank you for the confirmation! Hopefully we hear something back and the issue doesn't go overlooked.
I'm quite close to separating myself from M$!
Kernel 3.15.6 - Endeavour79 - 2014-07-23
Kernel 3.15.6 available
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15.6-utopic/
RE: Radeon OSS with vdpau (howto) - MathewCNichols - 2014-07-23
(2014-07-23, 11:30)Endeavour79 Wrote: Kernel 3.15.6 available
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15.6-utopic/
Thanks Endeavour! I've upgraded to the newest kernel. Ubuntu still detects only 2 channel audio.
I'm sure the devs have bigger problems on their plate, but is there anything at all I can do to help out beside running logs? Maybe try implementing patches or something?
RE: Radeon OSS with vdpau (howto) - Endeavour79 - 2014-07-24
Sorry, can't help you.
Ask @fritsch or @wsnipex please.
Cheers, End
RE: Radeon OSS with vdpau (howto) - lakemalcom - 2014-07-24
Can you add a ppa-purge section to the OP? I just ran into the same thing that someone else did way back in May because I just now upgraded from saucy.
RE: Radeon OSS with vdpau (howto) - User 89733 - 2014-07-26
Hi, sometimes when I switch from channel 1 to channel 2 it doesn't work: I get a black screen with no sound with the osd showing the channel I want. The workaround is easy: I switch back to 1 (or to any other channel), then I switch again to 2.
Here are the logs:
http://paste.ubuntu.com/7859581/ (it happens at 23:44:18)
http://paste.ubuntu.com/7859586/
http://paste.ubuntu.com/7859602/
http://paste.ubuntu.com/7859613/
Is it related to vdpau?
RE: Radeon OSS with vdpau (howto) - FernetMenta - 2014-07-26
(2014-07-26, 00:12)sronx Wrote: Is it related to vdpau?
very very unlikely. you said you don't get any sound either and this is not related to vdpau. My guess is that is a TVHeadend issue.
RE: Radeon OSS with vdpau (howto) - tomtomme - 2014-07-28
Quote:In Linux Mint (with Mate) I stripped out PulseAudio. You can't do this with Cinnamon or the desktop UI won't launch. Then I tried both the ATI proprietary catalyst 14.4 and 14.6 beta drivers. They both will bitstream HD Audio, but they do not accelerate graphics with VDPAU.
How is HDaudio possible with catalyst+pulse? Some months ago it was said, that pulse (nor catalyst) does not support HDaudio formats at least in combination with the OSS drivers. Thus I had to disable pulse in xbmc.
Is this still valid? Was pulse fixed for HDaudio?
Or just in combo with catlyst?
RE: Radeon OSS with vdpau (howto) - fritsch - 2014-07-28
No. He does not use pulseaudio when doing DTS-HD, he uses ALSA.
RE: Radeon OSS with vdpau (howto) - xxlsm - 2014-07-28
Hello I have just a comprehension question.
How do you ported Temporal Deinterlacing to the Amd Hardware. The temporal Deinterlacer is a closed source shader program von Nvidia (or am I wrong ?). Did you wrote your own Deinterlacer shader program and named it temporal ? How do you managed that ?
Thanks.
RE: Radeon OSS with vdpau (howto) - fritsch - 2014-07-28
There is not "the one" Temporal Deinterlacer.
zgreg, a german student, studied literature and came up with state of the art methods that can be used to write a temporal deinterlacer shader. He did this and sent it upstream into mesa.
You can read the code here: https://www.mail-archive.com/[email protected]/msg53289.html
Edit: All in his freetime. It's knowledge that can change the world.