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Old 06-02-09, 09:50 AM   #1
jyavenard
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Default VDPAU: bug in the drivers?

Hi

Was rather puzzled with this file as for why it wouldn't play in mythtv with VDPAU, yet some people reported that it played fine for them.

Drivers 185.18.14

http://www.sendspace.com/file/izsffg

With a 9400 IGP (gigabyte GA-E7AUM-DS2H), 32 bits ubuntu
NVIDIA GPU GeForce 9400 (C79) at PCI:2:0:0 (GPU-0)

In mythtv, the video just shows a greyish screen. In mplayer it plays extremely slowly, unusable.

Yet, with a 8600GT, 256MB, 64 bits ubuntu
NVIDIA GPU GeForce 8600 GT (G84) at PCI:1:0:0 (GPU-0)

It plays perfectly in mythtv...

Driver bug ?
Jean-Yves
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Old 06-02-09, 10:11 AM   #2
crisalide
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Default Re: VDPAU: bug in the drivers?

Plays fine on G96 with xine-vdpau, 185.18.14
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Old 06-02-09, 10:50 AM   #3
davidwong
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Default Re: VDPAU: bug in the drivers?

Hello,

It is the one who record and upload the file.

My environments are
Driver: 180.51
HW: 9400 IGP(gigabyte GA-E7AUM-DS2H)
OS: 64bit Ubuntu (both 8.10 and 9.04)

MythTV svn trunk gives garbled screen.
MPlayer svn plays in slow motion.

David
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Old 06-02-09, 12:30 PM   #4
cehoyos
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Default Re: VDPAU: bug in the drivers?

Quote:
Originally Posted by jyavenard View Post
In mplayer it plays extremely slowly, unusable.
Did you try mplayer -mc 2 ?

Carl Eugen
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Old 06-02-09, 07:08 PM   #5
jyavenard
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Default Re: VDPAU: bug in the drivers?

Quote:
Originally Posted by davidwong View Post
Hello,

It is the one who record and upload the file.

My environments are
Driver: 180.51
HW: 9400 IGP(gigabyte GA-E7AUM-DS2H)
OS: 64bit Ubuntu (both 8.10 and 9.04)

MythTV svn trunk gives garbled screen.
MPlayer svn plays in slow motion.
Mind you, I've tested that this behaviour depends on the graphic card you are using.
It doesn't display properly with a 9400 IGP ; but display properly with a 8600GT or a 9500GT
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Old 06-02-09, 07:11 PM   #6
jyavenard
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Default Re: VDPAU: bug in the drivers?

Quote:
Originally Posted by cehoyos View Post
Did you try mplayer -mc 2 ?

Carl Eugen
It is better, but still video is too slow and the audio/video isn't sync and the gap keeps increasing.
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Old 06-02-09, 09:06 PM   #7
Stephen Warren
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Default Re: VDPAU: bug in the drivers?

Can you please upload this file to the NVIDIA file-drop (see VDPAU bug reporting sticky). I can't access file downloading sites from work any more. Thanks.
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Old 06-02-09, 11:31 PM   #8
davidwong
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Default Re: VDPAU: bug in the drivers?

file 1085_20090602171821.mpg is uploaded via https://partners.ftp.nvidia.com/

Thank you very much.
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Old 06-03-09, 01:25 AM   #9
davidwong
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Default Re: VDPAU: bug in the drivers?

Quote:
Originally Posted by jyavenard View Post
It is better, but still video is too slow and the audio/video isn't sync and the gap keeps increasing.
with "-mc 2" here, video is overall at normal speed.
but look at the clock at the top right corner in the video, it is not even speed,
some time faster some time slower.
I haven't check audio.
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Old 06-03-09, 10:17 AM   #10
cehoyos
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Default Re: VDPAU: bug in the drivers?

Quote:
Originally Posted by jyavenard View Post
It is better, but still video is too slow and the audio/video isn't sync and the gap keeps increasing.
It works fine for me and while "uneven" speed is not unlikely, increasing gap is.

Carl Eugen
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Old 06-03-09, 10:36 AM   #11
Stephen Warren
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Default Re: VDPAU: bug in the drivers?

I tested this on a G98 card with VDPAU and it basically appears to play fine. I do see the clock running at an uneven speed, but this happens with Xv output and SW decode too; I think it's just the way the stream is encoded, or the way the video really was generated/broadcast.
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Old 06-03-09, 11:14 AM   #12
davidwong
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Default Re: VDPAU: bug in the drivers?

Quote:
Originally Posted by Stephen Warren View Post
I tested this on a G98 card with VDPAU and it basically appears to play fine. I do see the clock running at an uneven speed, but this happens with Xv output and SW decode too; I think it's just the way the stream is encoded, or the way the video really was generated/broadcast.
using mplayer? with -mc?
Could you have any chance to test it on 9400 and mythtv?

Thanks

David
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