Nouveau - Sep 2008 - [Bug 17462] New: XVideo Overlay adaptor is jerky on HD videos (NV18 card)

http://bugs.freedesktop.org/show_bug.cgi?id=17462

           Summary: XVideo Overlay adaptor is jerky on HD videos (NV18 card)
           Product: xorg
           Version: 7.3
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: diogomfranco at gmail.com
         QAContact: xorg-team at lists.x.org


As in $subject. There are no problems at all with SD video, the overlay adaptor
is wonderful :)

Relevant versions: xserver-xorg 7.3 (Debian lenny), mplayer r27531 (manually
compiled), xf86-video-nouveau f8c0af3, novueau's drm 31709aa.

Before anyone blame Composite, it is disabled on my xorg.conf.

A 4MB sample is attached; the problem is more noticeable on the horizontal
scroll scene.


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--- Comment #1 from Diogo Franco <diogomfranco at gmail.com>  2008-09-06
13:31:09 PST ---
*** Bug 17371 has been marked as a duplicate of this bug. ***


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--- Comment #2 from Diogo Franco <diogomfranco at gmail.com>  2008-09-06
13:44:09 PST ---
Sample can be downloaded from http://www.mediafire.com/?tllaeadt5pp.


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--- Comment #3 from Diogo Franco <diogomfranco at gmail.com>  2008-09-06
14:00:16 PST ---
The output of "nvclock -i", as requested on #nouveau:

-- General info --
Card:           nVidia Geforce 4 MX4000
Architecture:   NV18 C1
PCI id:         0x185
GPU clock:      249.750 MHz
Bustype:        AGP

-- Memory info --
Amount:         64 MB
Type:           128 bit DDR
Clock:          330.750 MHz

-- AGP info --
Status:         Disabled
Rate:           0X
AGP rates:      1X 2X 4X
Fast Writes:    Disabled
SBA:            Disabled

-- VideoBios information --
Version: 04.18.20.38
Signon message: NVIDIA Geforce4 MX 4000 VBIOS


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--- Comment #4 from Diogo Franco <diogomfranco at gmail.com>  2008-09-06
16:45:44 PST ---
I tested the sample video on different players and settings, and they all
yelded the same results: xv shows frames from the past, creating jerkiness.

Testedo on: mplayer -vo xv, mplayer -vo sdl, ffplay, vlc and xine-ui.


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--- Comment #5 from Danny <obiwan at mailmij.org>  2008-09-06 21:32:53 PST
---
Just a guess, but could it be related to this:
https://bugs.freedesktop.org/show_bug.cgi?id=16375
?

danny


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--- Comment #6 from Diogo Franco <diogomfranco at gmail.com>  2008-09-07
02:46:10 PST ---
Danny, I don't think it is related; that guy is having problems with the
blitter, not with the overlay. Also, my videos doesn't have a higher fps
than
the display; they're all progressive ntsc.


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--- Comment #7 from Danny <moondrake at gmail.com>  2008-09-26 05:19:55
PST ---
one or two days ago, somebody reported the overlay actually not working at all
on nv18gl with current git. Can you confirm this?

d.


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--- Comment #7 from Danny <moondrake at gmail.com>  2008-09-26 05:19:55
PST ---
one or two days ago, somebody reported the overlay actually not working at all
on nv18gl with current git. Can you confirm this?

d.


--- Comment #8 from Diogo Franco <diogomfranco at gmail.com>  2008-10-19
09:34:05 PST ---
Sorry for the long delay in the answer... Yes, I get only a blue screen if I
use the Overlay; the Blitter is fine.

Btw, he jittering problem also happens on the Blitter when CPU usage is
topping, like just after starting or unpausing a video; but returns to normal
shortly afterwards.


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Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #9 from Ilia Mirkin <imirkin at alum.mit.edu> ---
It appears that this bug report has laid dormant for quite a while. Sorry we
haven't gotten to it. Since we fix bugs all the time, chances are pretty
good
that your issue has been fixed with the latest software. Please give it a shot.
(Linux kernel 3.10.7, xf86-video-nouveau 1.0.9, mesa 9.1.6, or their git
versions.) If upgrading to the latest isn't an option for you, your
distro's
bugzilla is probably the right destination for your bug report.

In an effort to clean up our bug list, we're pre-emptively closing all bugs
that haven't seen updates since 2011. If the original issue remains, please
make sure to provide fresh info, see http://nouveau.freedesktop.org/wiki/Bugs/
for what we need to see, and re-open this one.

Thanks,

The Nouveau Team

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