Any VLC version causing artifacts on movement on some xvids

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kiwi2000
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Any VLC version causing artifacts on movement on some xvids

Postby kiwi2000 » 09 Feb 2013 12:54

Hi

On my i7 windows 7 laptop I run vlc (currently 1.1 beta) but happens on
all previous versions..

only seems to occur for certain encode videos.. and random blobs occur
on movement not all the time.. its very odd

but I dont get the problem with sharks007 latest codecs and using MPC player
on the same file.

here is mediainfo for the file

Format : AVI
Format/Info : Audio Video Interleave
File size : 252 MiB
Duration : 55mn 7s
Overall bit rate : 640 Kbps

Video
ID : 0
Format : MPEG-4 Visual
Format profile : Simple@L3
Format settings, BVOP : No
Format settings, QPel : No
Format settings, GMC : No warppoints
Format settings, Matrix : Default (H.263)
Codec ID : XVID
Codec ID/Hint : XviD
Duration : 55mn 7s
Bit rate : 506 Kbps
Width : 640 pixels
Height : 360 pixels
Display aspect ratio : 16:9
Frame rate : 29.970 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.073
Stream size : 199 MiB (79%)
Writing library : XviD 61

Audio
ID : 1
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Mode : Joint stereo
Mode extension : MS Stereo
Codec ID : 55
Codec ID/Hint : MP3
Duration : 55mn 7s
Bit rate mode : Constant
Bit rate : 128 Kbps
Channel(s) : 2 channels
Sampling rate : 44.1 KHz
Compression mode : Lossy
Stream size : 50.5 MiB (20%)
Alignment : Aligned on interleaves
Interleave, duration : 1080 ms (32.37 video frames)
Interleave, preload duration : 208 ms
Writing library : LAME3.98.4


Im wondering if its to do with simple L3 profile as most xvids are adv L5 now days

--------------------------------------------------------------------------------

You prob can converted any Mp4 file with a free program called Umile encoder 3.12
and create the same problem on playback.. it produces the artifacts sometimes
not always though.

but since other players dont show artifacts or bleeding I dont think its
the encoder

anyone else noticed this?

kiwi2000
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Re: Any VLC version causing artifacts on movement on some xv

Postby kiwi2000 » 09 Feb 2013 13:45

actually corruptions happens in kmplayer and windows media player 8
and xbmc for windows as well.

just dont happen in media player classic.. whats it doing different to
others

so its something umile encoder is doing that throws all except mpc.. very odd

will test same file via streaming to tv next to see if happens there

Volsong
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Re: Any VLC version causing artifacts on movement on some xv

Postby Volsong » 08 Jul 2013 21:50

Not sure if this will help but I was having the issue since version 2 (and all updates since) at least. What solved it for me was:

Tools > Preferences (show settings "all") > Input/Codecs > Video Codecs > FFmpeg > Hardware Decoding (untick)

Seems some others on the forums had similar issues all linked to some sort of hardware acceleration option. At first I thought it was my GTX 260 Core 216 having artifact problems but I just got a 660 TI and it did the same thing until I found that option. I don't think it's CPU or GPU specific but perhaps something to do with FFmpeg.

Edit: Just found a link in the wiki you can refer to as well:

http://wiki.videolan.org/WindowsFAQ-2.0 ... age_errors


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