.mpg files not showing video. audio is fine

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.mpg files not showing video. audio is fine Empty .mpg files not showing video. audio is fine

Post by turnip123 Thu Jan 06, 2022 4:18 pm

extension is .mpg and file type is MPEG.

In codec tweak tool I tried changing (in preferred splitters) .MPG .MPEG to use LAV splitter instead of Microsoft(recommended) but that didn't help.

Any advise, please, on what else I can try to make this file type work.

thank you

turnip123

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Post by Admin Thu Jan 06, 2022 9:05 pm

Which player?
Which version of the codec pack?
Copy MediaInfo details for the file here.

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Post by turnip123 Thu Jan 06, 2022 10:02 pm

xnview,
latest mega codec pack from the website.

as an example
video
ID : 224 (0xE0)
Format : MPEG Video
Format version : Version 1
Format settings : CustomMatrix / BVOP
Format settings, BVOP : Yes
Format settings, Matrix : Custom
Format settings, GOP : M=3, N=18
Duration : 32 min 1 s
Bit rate mode : Constant
Bit rate : 1 150 kb/s
Width : 352 pixels
Height : 240 pixels
Display aspect ratio : 4:3
Frame rate : 29.970 (30000/1001) FPS
Standard : NTSC
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.454
Time code of first frame : 00:00:00:00
Time code source : Group of pictures header
GOP, Open/Closed : Open
GOP, Open/Closed of first f : Closed
Stream size : 264 MiB (82%)

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Post by Admin Thu Jan 06, 2022 11:18 pm

If other video formats also fail to show video, then read this:
http://codecguide.com/faq_display_issues.htm#item11

Test playback with Media Player Classic.

For XnView you could try changing the preferred MPEG1 decoder.

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Post by turnip123 Fri Jan 07, 2022 1:49 am

works in media player classic. I've also tried downgrading a few versions back of xnview but still not working for any mpg files.

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Post by Admin Sat Jan 08, 2022 1:51 am

Did you read that FAQ entry? That may be cause of your problem.

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Post by turnip123 Sun Feb 06, 2022 8:41 pm

FAQ was helpful. once I open the same file twice in xnview I can see the video.
I tried one of the work arounds, specifically setting DSR setting but for some reason the application (nvidia control panel) keep crashing.
there is also a message saying that windows now manages these settings.

You've also mentioned 'XnView you could try changing the preferred MPEG1 decoder.' Any idea on how to do that?

thank you for all the help above.

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Post by Admin Sun Feb 06, 2022 11:49 pm

That confirms that your problem is because of the NVIDIA driver.

Changing the MPEG1 decoder will not have any effect in this case.

This is something that XnView has to fix. Their internal player should not use legacy overlays.

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