mythtv at cvs
Nov 14, 2009, 8:18 PM
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Ticket #7571: Mythfrontend 0.22 VDPAU "Sparkle" / Error noise
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#7571: Mythfrontend 0.22 VDPAU "Sparkle" / Error noise
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Reporter: blammo@… | Owner: ijr
Type: defect | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - General | Version: unknown
Severity: medium | Mlocked: 0
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<reposted from my thread on the MythUsers list>
long time Myth user, did the 0.22 upgrade this weekend using ATRPMS repo..
everything went smoothly after a little google-foo for QT4.4 on Centos..
Backend (Centos54-64-bit) flawless upgrade, zero issues since. Frontend
(Mythdora 10.21) little more pain, but got it upgraded as well.
Backend: Tyan S28xx series, 2xOpteron 285, 8G ram, 3ware 9500 w/lotsa
drives, dual GIG-e to switch, 2xHDHR OTA
Frontend: MSI AM2, 6400BE [at] 3, 9600GT, HDMI to Sony TV
I've been using VDPAU with mplayer SVN + NVIDIA 180 drivers for a few
weeks, with zero issues. Picture is beautiful, smooth, crisp, and it's a
little spooky to see 10% CPU with 1080p playback active.
However, VDPAU in myth has me less impressed today. Over the weekend
watched probably 10+ hours of mixed HD playback, almost all recorded
from ATSC-air from HDHR's. Almost all of it had what I can best
describe as Horizontal fragments / bands / sparkles that would
randomly appear, almost like noise throughout playback. They would
stay on the screen less than 1 second each, but at times you could
have lots of them on the screen.
If I go back into "playback profiles" and set back to
CPU/CPU+/anything non VPDAU, same source, no noise. No change in the
"deinterlace profiles" under VDPAU changes the behavior.
Other things I tried:
- 2 different video cards - 8500GT and 9600GT.
- 3 different driver revisions, 180, 185, and 190
- multiple different on-air sources, 480p, 720p, and 1080i
- liveTV seems to be worse than recorded, but not by much..
Again, non-VDPAU = no noise/artifacts
Playback of non-HDHR sources like H.264, VOB, etc,in mplayer produces ZERO
artifacting.
It doesn't appear to affect stability, but it's downright irritating..and
obviously a symptom of something broken.
the mythfrontend.log isn't giving up any help either, but perhaps I
don't have debug high enough.. I'm getting some NVP: prebuffering, and
WriteAudio: buffer underrun, but only every couple minutes.. nothing to
correlate to the constant artifacts.
I'm attaching both the xorg.conf and "-v playback" logs.
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[root [at] frontend ~]# mythfrontend --version
Please include all output in bug reports.
MythTV Version : 22759
MythTV Branch : branches/release-0-22-fixes/mythtv/
Network Protocol : 50
Library API : 0.22.20091023-1
QT Version : 4.5.3
Options compiled in:
linux release using_oss using_alsa using_pulse using_arts using_jack
using_backend using_dvb using_firewire using_frontend using_hdhomerun
using_hdpvr using_iptv using_ivtv using_joystick_menu using_libfftw3
using_lirc using_mheg using_opengl_video using_opengl_vsync using_qtwebkit
using_v4l using_x11 using_xrandr using_xv using_xvmc using_xvmc_vld
using_xvmcw using_bindings_perl using_bindings_python using_opengl
using_vdpau using_ffmpeg_threads using_libavc_5_3 using_live using_mheg
02:00.0 VGA compatible controller: nVidia Corporation GeForce 8500 GT (rev
a1) (prog-if 00 [VGA controller])
Subsystem: Giga-byte Technology Device 344c
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at f8000000 (32-bit, non-prefetchable) [size=16M]
Memory at e0000000 (64-bit, prefetchable) [size=256M]
Memory at f6000000 (64-bit, non-prefetchable) [size=32M]
I/O ports at bc00 [size=128]
[virtual] Expansion ROM at f9000000 [disabled] [size=128K]
Capabilities: [60] Power Management version 2
Capabilities: [68] Message Signalled Interrupts: Mask- 64bit+
Count=1/1 Enable-
Capabilities: [78] Express Endpoint, MSI 00
Capabilities: [100] Virtual Channel <?>
Capabilities: [128] Power Budgeting <?>
Capabilities: [600] Vendor Specific Information <?>
Kernel driver in use: nvidia
Kernel modules: nvidiafb, nvidia-190_36
[root [at] frontend ~]# uname -r
2.6.27.38-170.2.113.fc10.x86_64
Please let me know if there's any additional information I can provide.
--
Ticket URL: <http://svn.mythtv.org/trac/ticket/7571>
MythTV <http://www.mythtv.org/>
MythTV
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