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Green square pixalation blocks apearing on output files

Jan 18, 2011 8:57 PM

using CS5 on windows 7 64bit and trying to convert from mpeg2 files, Green square pixalation blocks apearing randomly but alway in the same spots after a re-encode on output files regardless of output settings

has anyone seen this before and how can I resolve it?

3728 Views 48 Replies Latest reply: JetsyKetsy, Jul 24, 2012 7:54 PM

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1. Jim Simon,

Jan 18, 2011 9:22 PM in reply to Kombi_914

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I have not seen this myself, but then I do not use MPEG as source material.

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2. Kombi_914,

Jan 18, 2011 9:45 PM in reply to Jim Simon

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it also only happens on some *.mpg (mpeg2) files too. i have tried encodeing with a free encoder and the files come out fine so i cant see the files as being a problem.

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3. Kombi_914,

Jan 20, 2011 4:14 PM in reply to Kombi_914

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can anyone suggest how i can resove this, i realy need to en
code these files with Adobe media encoder as it gives the best qu
ality output, the free encode isnt up to scratch.

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4. Kombi_914,

Jan 20, 2011 8:23 PM in reply to Kombi_914

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Encoding the same mpeg2 file on windows 7, 64 bit with CS5 media encoder - Green square pixalation blocks apear
Encoding the same mpeg2 file on windows server 2003, 32 bit with CS4 media encoder - Green square pixalation blocks apear
Encoding the same mpeg2 file on windows XP, 32 bit with CS4 media encoder - file has no error.
Encoding the same mpeg2 file on a 2nd windows XP, 32 bit with CS4 media encoder - file has no error.

I hope this helps you help me find a solution to use CS5 effectivly

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5. Kombi_914,

Jan 20, 2011 8:49 PM in reply to Kombi_914

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6. Jim Simon,

Jan 21, 2011 2:07 PM in reply to Kombi_914

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"This video is not available in your country."

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7. Kombi_914,

Jan 21, 2011 5:34 PM in reply to Jim Simon

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I have legal access to all music videos world wide, this cilp was chosen as an extreme example of the error at hand. The problem also exists on australian content.

Jim can you shed some light on the problem at hand?

Cheers
John

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8. Colin Brougham,

Jan 21, 2011 6:42 PM in reply to Kombi_914

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This:

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9. Kombi_914,

Jan 23, 2011 5:04 PM in reply to Colin Brougham

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I see! said the blind man. looks like its a utube thing. do you know how i can get around this?

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10. Kombi_914,

Jan 23, 2011 5:06 PM in reply to Kombi_914

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i mean, it plays fine for me but maybe only in australia

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11. Kombi_914,

Jan 23, 2011 6:25 PM in reply to Kombi_914

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ok, it looks like a copy right issue on youtube. please see attached photo

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12. Jim Simon,

Jan 23, 2011 7:08 PM in reply to Kombi_914

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the free encode isnt up to scratch.

Which one?

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13. Kombi_914,

Jan 23, 2011 7:28 PM in reply to Jim Simon

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someone had it on there laptop but he is on holidays this week so i cant tell you till then.
it only had single pass and it didnt look the best.

besides i managed to ge good results on XP with CS4, i just need it to work on W7 with CS5 so i can get the best quality and automate the process

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14. Kombi_914,

Jan 24, 2011 5:02 PM in reply to Kombi_914

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i have also now tried:

Encoding the same mpeg2 file on windows XP, 64 bit with CS5 media encoder - Green square pixalation blocks apear in the same spots.

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15. Kombi_914,

Jan 26, 2011 3:08 PM in reply to Kombi_914

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What is the best proccess to take this case to the Adobe support where someone can look at solving my problem?

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16. Todd_Kopriva,

Jan 26, 2011 4:36 PM in reply to Kombi_914

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> What is the best proccess to take this case to the Adobe support where someone can look at solving my problem?

http://www.adobe.com/support/contact/

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17. Kombi_914,

Jan 27, 2011 5:00 PM in reply to Todd_Kopriva

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i was silly enough to update CS4 AME for the install file to 4.2 and it now gives me the same error as CS5

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18. Kombi_914,

Jan 27, 2011 7:02 PM in reply to Kombi_914

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file reads fine on AME 4.0

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19. Kombi_914,

Jan 27, 2011 7:07 PM in reply to Kombi_914

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even after installing latest video card driver, green error read before file encoded on AME 5.0

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20. Kombi_914,

Jan 27, 2011 7:17 PM in reply to Kombi_914

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file also fails to read correctly after upgrading AME 4.0 to AME 4.2

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21. Kombi_914,

Jan 27, 2011 7:52 PM in reply to Kombi_914

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please note these are not DVD mpeg2 files, they are broadcast mpg files at 15mbps

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22. Tim Kurkoski,

Jan 28, 2011 10:36 AM in reply to Kombi_914

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What's the source of these files? What application encoded them? With what settings?

Can you post a sample that causes the problem so other people can look at it?

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23. Kombi_914,

Jan 28, 2011 2:34 PM in reply to Tim Kurkoski

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What's the source of these files?
the source are suplied direct from the record company, this is the largest quality file they will supply for broadcast and re-encoder for my internet broadcast.

What application encoded them? With what settings?
i do not have this info. but AME 4.0 has no issue reading them and encoding them.

Can you post a sample that causes the problem so other people can look at it?

you can find a sample here;
ftp.sma.net.au
user: smaftp
pass: sma777

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24. Tim Kurkoski,

Jan 28, 2011 2:50 PM in reply to Kombi_914

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Thanks for posting the file. Unfortunately all I see in it is 4 all-black frames. What should I see?

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25. Kombi_914,

Jan 28, 2011 3:03 PM in reply to Tim Kurkoski

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Hmmm, I have the same problem as you trying to download it?

Cheers
John

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26. Tim Kurkoski,

Jan 28, 2011 3:09 PM in reply to Kombi_914

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Your last message wasn't wholly clear, John. I did download the file, as opposed to trying to read it from the server. The file size of my downloaded copy matches what is shown on the FTP server, so it appears that the download was successful.

When you re-post the clip or post a different one, I'll try downloading again.

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27. Kombi_914,

Jan 28, 2011 3:25 PM in reply to Tim Kurkoski

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I have reloaded a smaller sample that should run for 5 seconds you should see a hamburger box in space.

Cheers
John

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28. Kombi_914,

Jan 28, 2011 3:37 PM in reply to Tim Kurkoski

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Full file also up loading but will take an hour or so

Cheers
John

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29. Kombi_914,

Jan 28, 2011 4:26 PM in reply to Kombi_914

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ok, 1min version now available for download, not quite the whole song

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30. Kombi_914,

Jan 28, 2011 4:27 PM in reply to Kombi_914

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these mpg files view pefectly in windows media player on W7 or XP

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31. Tim Kurkoski,

Jan 28, 2011 4:39 PM in reply to Kombi_914

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The files downloaded OK. It's got some black frames on the front but @ 1:20 the floating burger box and music start. I can see the problem with the green blocks in AME, After Effects, and Premiere Pro CS5 (which all use the same MPEG decoders).

Clearly there's a bug here, so I've filed that on your behalf. The good news is that, with the help of one of our big-brained software engineers, I've identified a workaround you can use.

You can make this file work as expected in AME, Premiere Pro, or After Effects CS5 by removing the ImporterFastMPEG.prm plug-in.

For AME, this can be found at:
C:\Program Files\Adobe\Adobe Media Encoder CS5\Plug-ins\common
(similar locations on Mac or for Premiere Pro and After Effects)

Drag the file out to your desktop, launch AME, add the file. It should play without the green blocks. When you're done using the MPEG file, don't forget to put the ImporterFastMPEG.prm file back. You want it there.

The bug here is that ImporterFastMPEG doesn't recognize that it's failing to decode the file, and should be passing it to our other (slower) ImporterMPEG decoder. A little background on why we even have two decoders: MPEG encoding and decoding is a wild, hairy bit of business that by definition doesn't wholly specify how a file is supposed to be encoded. Thus it's very easy to write a decoder that may not work with certain encoders. I recommend starting with the Wikipedia article if you want to learn more.

=====

Now, I really really really would like to know where this file came from. What software or hardware encoded it? What settings? If you can find that out, I'd be most grateful, and can add it to our bug records.

Thanks for posting the files.

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32. Tim Kurkoski,

Jan 28, 2011 4:55 PM in reply to Tim Kurkoski

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OK, I just read your previous posts and realized that you're using Adobe Media Encoder CS4, not CS5. Everything in my last message still applies, just use the correct path to the AME CS4 application directory so you can find that version's ImporterFastMPEG file.

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33. Kombi_914,

Jan 28, 2011 6:24 PM in reply to Tim Kurkoski

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i am only using 4.0 because i couldnt get 5.0 to work re the bug, 4.0 has no bug.

i will also find out the info and test your fix when i in the office on monday

thanks heaps for your help on this one

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34. Kombi_914,

Jan 28, 2011 8:26 PM in reply to Kombi_914

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ok, i couldnt wait till monday. after removing the fast mpeg file, 5.0 is working fine.

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35. Kombi_914,

Jan 29, 2011 1:24 AM in reply to Tim Kurkoski

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if i am only encoding from mpeg2 files, should i leave ImporterFastMPEG.prm file out of the software? or will if give me enhanced output files from mpeg2 files it can reed correctl.

As i only have the problem mpg's from one suplier and on only on half of their files.

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36. Tim Kurkoski,

Jan 31, 2011 9:43 AM in reply to Kombi_914

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Only pull the ImporterFastMPEG file when you have a problem file. Put it back for all other cases.

Did you get information about the source of the MPEG file? My engineer friends are hungry for more data about the problem.

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37. Kombi_914,

Jan 31, 2011 1:51 PM in reply to Tim Kurkoski

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i have email the supplier of the filesand am awaiting there response.

i regards to the ImporterFastMPEG file, are you able to give me some detail on the enhancment it offers when it reads the files correctly?

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38. Tim Kurkoski,

Jan 31, 2011 2:15 PM in reply to Kombi_914

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Don't think of ImporterFastMPEG as an enhancement; it's the primary MPEG decoder. (The "Fast" part of the name misrepresents the purpose of the plug-in. The name is an archaic remnant of the plug-in's original design as a faster decoding algorithm. Today it does much, much more than that.)

Please believe me when I tell you that this plug-in is not optional. You want it there. You should put it back when you're not dealing with files that it's not handling correctly. The only reason for removing it is for cases like the one you're dealing with. Specifically, it doesn't know that it's failing to decode the file correctly and isn't automatically passing the decode to ImporterMPEG.

Thanks for looking into the source details.

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39. Kombi_914,

Jan 31, 2011 4:56 PM in reply to Tim Kurkoski

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so ImporterFastMPEG decodes the files better than ImporterMPEG, giving you a higher quality output file?

the source is checking with his engineers, to see which of there encoder and/or settings causes this result.

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