Thin vertical lines

[Sjakko]

Hi guys. Some videos (often Windows Media, but sometimes mpeg) display thin vertical lines during playback. I can solve it by disabling KMP video transform Filter but I don't want to do that because this reduces quality in other videos (I don't want to keep switching it on and off).

KMP version: 2.9.3.1428 (but I've had this problem ever since I use KMP, I'm talking months).
A sample ([Only registered and activated users can see links])
In this video the lines aren't that obvious but in some videos it just seems like the people are behind bars.

Is this just a bug in the Transform Filter or what's going on? WMP, MPC and Zoom don't have this problem. Thanks you.

[Pantuflo]

I can solve it by disabling KMP video transform Filter but I don't want to do that because this reduces quality in other videos (I don't want to keep switching it on and off).

It's not a solution but... you can use those kind of videos as a condition to disable the KMP video transform filter in Preferences and you won't have to keep switching it on and off.

[Waldemar Sikorski]

On the sample you provided I saw not one line. Can you provide a sample where the lines are clearly visible?
A snapshot perhaps?

[z]

I'm not sure as there is no objective data (like ctrl+tab info) but it looks like a specific problem related with the video filter called Gradual denoise. Check if it is used. If it is used, try to turn it off or reduce the parameter "Strength" of Gradual denoise in preference | video processing | Reduec/Add Noise | Gradual Denoise.

If you still have a problem, try to reset the player in preferences.

[Sjakko]

I'm sorry, I can't really find a good sample. The visibility of the lines depends very much on the colors in the video, but here's a second sample ([Only registered and activated users can see links]). When I put it on full screen the lines (across her face and across the words in the background) are very clear to me. A screenshot doesn't do justice to it (much less visible).

I just tried:
- initializing all presets
- another machine (different hardware)
- decreasing the gradual denoise

they made no difference (although increasing the gradual denoise gave me thicker vertical lines).

CTRL+Tab sample 1:

[Primary Filtergraph]
0) - WM ASF Reader
1) - WMVideo Decoder DMO
2) - WMAudio Decoder DMO
3) - KMP Video Transform
4) - OverlayMixer
5) - KMP Audio Transform(Copy)
6) - Video Renderer
7) - Default DirectSound Device

[Video Info]
Decoder - (WMV3) WMVideo Decoder DMO
Format - Major Type: Video - Sub Type: YV12
VideoInfo: YV12 320X180, 12 bits
Format - Major Type: Video - Sub Type: YV12
VideoInfo: YV12 640X-480, 12 bits

[Audio Info]
Decoder - (0x161) WMAudio Decoder DMO
Format - Major Type: Audio - Sub Type: PCM
WaveFormatEx: PCM(0x1), 44100 Hz, 16 Bits, 2 Ch

[Basic Video DSP]
Internal brightness: 100%

[Advanced Video DSP]
+Resizer Filter, Mode: Fast bilinear
+PictureProperty(S/W Process)
-LumGain: 128
-LumOffset: 0
-Gamma: 100
-HUE: 0
-Saturation: 64
+Video Plugin

[Audio DSP]
+Pre amplification: Main: (100%)
+Auto Volume Control
+Audio Plugin

[Subtitle Settings]
+Draw Mode(Selected): Image
+Draw Mode(In use): On Overlay
+Text Rendering Method: Rasterizer
+Support HTML Tags(SMI)

[KMPlayer]
+Version: 2.9.3.1428(5.463.552, 16-12-2007 20:44:54)
+libcodec.dll: Exist(4.459.520, 16-12-2007 0:07:46)
+libmplay.dll: Exist(438.784, 21-8-2007 22:11:32)
+PProcDLL.dll: Exist(1.769.472, 30-11-2007 23:52:44)
+LibDTS.dll: Exist(144.384, 24-5-2007 9:01:04)
+liba52.dll: Exist(56.320, 24-5-2007 9:00:52)
+libfaad2.dll: Exist(212.480, 24-5-2007 9:00:28)
+libmad.dll: Exist(92.672, 24-5-2007 9:01:18)
+libmpeg2.dll: Exist(126.464, 24-5-2007 9:01:46)
+theora.dll: Exist(196.608, 13-4-2007 8:46:04)
+OggVorbis.dll: Exist(1.165.312, 24-5-2007 9:08:26)
+xviddll.dll: Exist(655.872, 29-7-2007 1:11:58)
+Old_QUARTZ.DLL: Exist(770.048, 5-5-1999 22:22:00)
+AboutDll.dll: Exist(105.472, 3-10-2005 14:12:18)
+DTView.dll: Exist(104.448, 20-11-2006 21:33:20)
+MPlayer.dll: Missed
+ImLoader.dll: Exist(856.064, 15-1-2006 14:21:26)


--------------------
[File Info]
--------------------
C:\Documents and Settings\Beheerder\Bureaublad\vertical_lines.wmv
General
Complete name : C:\Documents and Settings\Beheerder\Bureaublad\vertical_lines.wmv
Format : Windows Media
File size : 942 KiB
PlayTime : 15s 250ms
Bit rate : 506 Kbps
Movie name : DE_WERELD_DRA-WON00276099 (Nederland 3, 19:30:42, Thu Nov 15 CEST 2007)
Rating : none
PacketCount : 154
PacketSize : 6250
Date_Created : UTC 2065-10-30 19:28:20
Agility FPS : 1103626240
HeaderSize : 1833
DataSize : 962550
Video
Codec : WMV3
Codec/Info : Windows Media Video 9
Bit rate : 446 Kbps
Width : 320 pixels
Height : 180 pixels
Display Aspect ratio : 16/9
Resolution : 24 bits
Audio
Codec : WMA2
Codec/Info : Windows Media Audio 2
Bit rate : 48 Kbps
Channel(s) : 2 channels
Sampling rate : 44 KHz


--------------------
[System Info]
--------------------
CPU 0: 1836MHz, AMD Athlon(tm) XP 2500+, x86 Family 6 Model 10 Stepping 0
OS: Windows XP Professional(Version 5.1 Build 2600) Service Pack 2
Video: RADEON 9200 SERIES

DirectX: 9.0c(4.09.00.0904)
Memory: All: 1.834.480 KB, Available: 1.234.696 KB, Used: 33%
CodePage: 1252, Charset:1
Instruction: MMX MMX2 SSE 3DNOW 3DNOWEXT

[System Process]
System
smss.exe
csrss.exe
winlogon.exe
services.exe
lsass.exe
ati2evxx.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
vsmon.exe
ati2evxx.exe
explorer.exe
spoolsv.exe
schedul2.exe
avgamsvr.exe
avgupsvc.exe
avgemc.exe
svchost.exe
alg.exe
avgcc.exe
AlarmMe.exe
zlclient.exe
pg2.exe
volumouse.exe
ctfmon.exe
wosb.exe
svchost.exe
boincmgr.exe
VolumeTracker.exe
boinc.exe
metropolis_3.10_windows_intelx86.exe
BitComet.exe
emule.exe
firefox.exe
KMPlayer.exe


CTRL+Tab sample 2:

[Primary Filtergraph]
0) - WM ASF Reader
1) - WMVideo Decoder DMO
2) - WMAudio Decoder DMO
3) - KMP Video Transform
4) - OverlayMixer
5) - KMP Audio Transform(Copy)
6) - Video Renderer
7) - Default DirectSound Device

[Video Info]
Decoder - (WMV3) WMVideo Decoder DMO
Format - Major Type: Video - Sub Type: YV12
VideoInfo: YV12 320X180, 12 bits
Format - Major Type: Video - Sub Type: YV12
VideoInfo: YV12 640X-480, 12 bits

[Audio Info]
Decoder - (0x161) WMAudio Decoder DMO
Format - Major Type: Audio - Sub Type: PCM
WaveFormatEx: PCM(0x1), 44100 Hz, 16 Bits, 2 Ch

[Basic Video DSP]
Internal brightness: 100%

[Advanced Video DSP]
+Resizer Filter, Mode: Fast bilinear
+PictureProperty(S/W Process)
-LumGain: 128
-LumOffset: 0
-Gamma: 100
-HUE: 0
-Saturation: 64
+Video Plugin

[Audio DSP]
+Pre amplification: Main: (100%)
+Auto Volume Control
+Audio Plugin

[Subtitle Settings]
+Draw Mode(Selected): Image
+Draw Mode(In use): On Overlay
+Text Rendering Method: Rasterizer
+Support HTML Tags(SMI)

[KMPlayer]
+Version: 2.9.3.1428(5.463.552, 16-12-2007 20:44:54)
+libcodec.dll: Exist(4.459.520, 16-12-2007 0:07:46)
+libmplay.dll: Exist(438.784, 21-8-2007 22:11:32)
+PProcDLL.dll: Exist(1.769.472, 30-11-2007 23:52:44)
+LibDTS.dll: Exist(144.384, 24-5-2007 9:01:04)
+liba52.dll: Exist(56.320, 24-5-2007 9:00:52)
+libfaad2.dll: Exist(212.480, 24-5-2007 9:00:28)
+libmad.dll: Exist(92.672, 24-5-2007 9:01:18)
+libmpeg2.dll: Exist(126.464, 24-5-2007 9:01:46)
+theora.dll: Exist(196.608, 13-4-2007 8:46:04)
+OggVorbis.dll: Exist(1.165.312, 24-5-2007 9:08:26)
+xviddll.dll: Exist(655.872, 29-7-2007 1:11:58)
+Old_QUARTZ.DLL: Exist(770.048, 5-5-1999 22:22:00)
+AboutDll.dll: Exist(105.472, 3-10-2005 14:12:18)
+DTView.dll: Exist(104.448, 20-11-2006 21:33:20)
+MPlayer.dll: Missed
+ImLoader.dll: Exist(856.064, 15-1-2006 14:21:26)


--------------------
[File Info]
--------------------
C:\Documents and Settings\Beheerder\Bureaublad\vertical_lines2.wmv
General
Complete name : C:\Documents and Settings\Beheerder\Bureaublad\vertical_lines2.wmv
Format : Windows Media
File size : 582 KiB
PlayTime : 9s 287ms
Bit rate : 513 Kbps
Movie name : PAUW&WITTEMAN (Nederland 1, 23:01:15, Fri Apr 06 CEST 2007)
Performer :
Copyright :
Comment :
Rating : none
PacketCount : 95
PacketSize : 6250
Date_Created : UTC 2001-06-22 02:32:47
Agility FPS : 4627730092099895296
HeaderSize : 1821
DataSize : 593800
Video
Codec : WMV3
Codec/Info : Windows Media Video 9
Bit rate : 453 Kbps
Width : 320 pixels
Height : 180 pixels
Display Aspect ratio : 16/9
Resolution : 24 bits
Audio
Codec : WMA2
Codec/Info : Windows Media Audio 2
Bit rate : 48 Kbps
Channel(s) : 2 channels
Sampling rate : 44 KHz


--------------------
[System Info]
--------------------
CPU 0: 1836MHz, AMD Athlon(tm) XP 2500+, x86 Family 6 Model 10 Stepping 0
OS: Windows XP Professional(Version 5.1 Build 2600) Service Pack 2
Video: RADEON 9200 SERIES

DirectX: 9.0c(4.09.00.0904)
Memory: All: 1.834.480 KB, Available: 1.262.764 KB, Used: 31%
CodePage: 1252, Charset:1
Instruction: MMX MMX2 SSE 3DNOW 3DNOWEXT

[System Process]
System
smss.exe
csrss.exe
winlogon.exe
services.exe
lsass.exe
ati2evxx.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
vsmon.exe
ati2evxx.exe
explorer.exe
spoolsv.exe
schedul2.exe
avgamsvr.exe
avgupsvc.exe
avgemc.exe
svchost.exe
alg.exe
avgcc.exe
AlarmMe.exe
zlclient.exe
pg2.exe
volumouse.exe
ctfmon.exe
wosb.exe
svchost.exe
boincmgr.exe
VolumeTracker.exe
boinc.exe
metropolis_3.10_windows_intelx86.exe
BitComet.exe
emule.exe
firefox.exe
KMPlayer.exe

[Waldemar Sikorski]

Would the distortions on the snap be it?

[Sjakko]

Would the distortions on the snap be it?
No not that. I tried to make a good screenshot but it's not very clear. It's way more obvious when I play the video.

[Only registered and activated users can see links]

and another video I found:

[Only registered and activated users can see links]

I hope you know what's going on.

[Waldemar Sikorski]

This is where the problem starts I don't have those.

[Primary Filtergraph]
0) - WM ASF Reader
1) - WMAudio Decoder DMO
2) - WMVideo Decoder DMO
3) - KMP Audio Transform(Inpalce)
4) - Video Mixing Renderer9(Renderless)
5) - Default DirectSound Device

[Video Info]
Decoder - (WMV3) WMVideo Decoder DMO
Format - Major Type: Video - Sub Type: YV12
VideoInfo: YV12 320X180, 12 bits

[Audio Info]
Decoder - (0x161) WMAudio Decoder DMO
Format - Major Type: Audio - Sub Type: PCM
WaveFormatEx: PCM(0x1), 44100 Hz, 16 Bits, 2 Ch

[Basic Video DSP]
Internal brightness: 100%
+Edge Enhance Filter

[Advanced Video DSP]
+WarSharpen, Mode: Advanced warsharpen
+Level Control
+Video Plugin

[Audio DSP]
+Pre amplification: Main: (100%)
+Equalizer, Mode: Frequency Domain
+Auto Volume Control
+Treble Enhance: 261
+3D Effect: 5500
+Crystality: 3
+Audio Plugin

[Subtitle Settings]
+Draw Mode(Selected): Image
+Draw Mode(In use): On Overlay
+Text Rendering Method: Window(GDI)
+Support HTML Tags(SMI)

[KMPlayer]
+Version: 2.9.3.1429(5,559,296, 12/16/2007 8:55:38 PM)
+libcodec.dll: Exist(4,459,008, 12/6/2007 11:51:30 PM)
+libmplay.dll: Exist(438,784, 8/21/2007 1:11:32 PM)
+PProcDLL.dll: Exist(1,769,472, 11/30/2007 2:52:44 PM)
+LibDTS.dll: Exist(144,384, 5/24/2007 12:01:04 AM)
+liba52.dll: Exist(56,320, 5/24/2007 12:00:52 AM)
+libfaad2.dll: Exist(212,480, 5/24/2007 12:00:28 AM)
+libmad.dll: Exist(92,672, 5/24/2007 12:01:18 AM)
+libmpeg2.dll: Exist(126,464, 5/24/2007 12:01:46 AM)
+theora.dll: Exist(196,608, 4/12/2007 11:46:04 PM)
+OggVorbis.dll: Exist(1,165,312, 5/24/2007 12:08:26 AM)
+xviddll.dll: Exist(655,872, 7/28/2007 4:11:58 PM)
+Old_QUARTZ.DLL: Exist(770,048, 5/5/1999 1:22:00 PM)
+AboutDll.dll: Exist(105,472, 10/3/2005 5:12:18 AM)
+DTView.dll: Exist(104,448, 11/20/2006 12:33:20 PM)
+MPlayer.dll: Missed
+ImLoader.dll: Exist(856,064, 1/15/2006 5:21:26 AM)

[Sjakko]

This is where the problem starts I don't have those.

[PHP][Primary Filtergraph]
0) - WM ASF Reader
1) - WMAudio Decoder DMO
2) - WMVideo Decoder DMO
3) - KMP Audio Transform(Inpalce)
4) - Video Mixing Renderer9(Renderless)
5) - Default DirectSound Device

That because you don't use the video transform filter. Could you enable it (it's enabled by default) and maybe confirm my problem? (F2 > Video Processing > Tab "General").

[z]

Change the resizing method.

[Sjakko]

Perfect! That solved it. The amount of options keep amazing me. Did you also get these lines when you put the resizing method to Fast Bilinear, z? If more people have this problem, maybe it's a good idea to get another default resizing method?

[Zoidberg]

ouch, this artefact was very annoying thing.
changing resizer helps me too :)
THANKS!
why not to do the default resizer not "fast bilinear"?