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Forums VEGAS Pro mp4 glitches

  • mp4 glitches

     William Kersten updated 1 month ago 2 Members · 6 Posts
  • William Kersten

    June 2, 2022 at 3:06 am

    I am having a glitch appear in Vegas Pro either 19, 17, or 15 when I try to play a simple small mp4 file, created by Vegas’ own rendering using AVC 1920 HD, the “internet” template. This is a small file, very low data rate, but keeps on having sudden interpolations of wrong images, glitches, etc. If one plays the mp4 in Windows without Vegas, it looks perfect. No glitches. In any edition of Vegas it has the same glitches. This is on two different computers one Win 10, I7 processor, 64 GB ram, and Win 11 I7, 128 GB RAM. Radeon RX550 graphics card – but it makes no difference what computer or graphics card it is loaded on – the same glitch occurs. It is NOT on the original video. What is going on? Can Vegas not handle HD mp4?

  • Graham Bernard

    June 2, 2022 at 5:50 am

    I can’t reproduce your issue in VP19 B636, renders and plays smoothly.

    You’ve done some logical testing, good! Now, all that’s left is to establish just how much space you’ve got left on drives, and RAM health. VegasPro, once loaded, VP demands the sureness of everything else working nicely. You’ve established that this is a problem with other versions of VP, now’s the time to look to your system being able to get VP to work. Cancel GPU and default your Build Ram to ZERO.

    And again, working here.

  • William Kersten

    June 2, 2022 at 7:21 pm

    I am thinking there may something wrong after all with the original video file. It plays correctly in Windows 10 Media Player (which is what confused me) but when loaded into Vegas Pro has the glitches. However, some similarly produced mp4s do not have the same kind of glitches and play perfectly in Vegas. So I am going to get a new copy of the original file and try that, Thanks for the reply.

  • William Kersten

    June 2, 2022 at 7:44 pm

    Well I discovered it was the original file – what threw me was the file had NO GLITCHES AT ALL when played in Windows Media Player! But then when placed into Vegas it had them. So I got another copy of the original and now there are none at all. I don’t understand how it could look perfect in the Media Player but messed up in Vegas, but that is what happened.

  • Graham Bernard

    June 4, 2022 at 4:56 am

    I don’t understand how it could look perfect in the Media Player but messed up in Vegas, but that is what happened.

    Many reasons, but high on the list would be that VP is strict about what it lets in and on this instance, MP wasn’t. Now, I’ve had the reverse of that 😉.

    There’s two approaches you could use:

    1 – Set your Project Settings by navigating to the file and USE that as the setting, very useful.

    2 – Use MediaInfo app to ascertain just what’s inside that file. Also very useful, and much used by us VegHeads.

    Lesson here is that don’t use WMP as the yardstick.

  • William Kersten

    June 4, 2022 at 3:22 pm

    Well, the project was set to exactly the type of the videos which were all the same and were Vegas’ own rendering using AVC mp4 1920 30p “Internet” as listed in the file types within Vegas rendering. So there was no discrepancy there. Also, I never use Windows Media Player to check quality since it can’t play about 75% of the files I am using. I simply happened to play the file in it outside of Vegas in this instance and was puzzled by how there was no glitching at all visible. So there is an unknown reason probably caused by the file being slightly corrupted – it had been transferred back and forth several times between machines and perhaps in the copying something was messed up.

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