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HEVC videos look scrambled in preview images and video preview

Community Beginner ,
Aug 23, 2020

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Hi all,

 

I own Premiere Elements 2020 v18 (20200130.daily.2070236) running on Win10 on Ryzen7 2700x and Radeon RX580. Trying to edit HEVC video material from my GoPro 7 I get scrambled preview images after importing media. Previewing these imported videos in small window is ok (only if switching to highest output quality). Previewing in cutting window results in scrambled video as well. (See screenshot attached). Do you have any idea how to solve this issue? I have tried so far to reinstall windows HEVC codec, installing latest video drivers and deleting media cache in Premiere.

 

Thank you very much for any suggestions in adevance!

 

 

 

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Error or problem, Import, User interface or workspaces

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HEVC videos look scrambled in preview images and video preview

Community Beginner ,
Aug 23, 2020

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Hi all,

 

I own Premiere Elements 2020 v18 (20200130.daily.2070236) running on Win10 on Ryzen7 2700x and Radeon RX580. Trying to edit HEVC video material from my GoPro 7 I get scrambled preview images after importing media. Previewing these imported videos in small window is ok (only if switching to highest output quality). Previewing in cutting window results in scrambled video as well. (See screenshot attached). Do you have any idea how to solve this issue? I have tried so far to reinstall windows HEVC codec, installing latest video drivers and deleting media cache in Premiere.

 

Thank you very much for any suggestions in adevance!

 

 

 

TOPICS
Error or problem, Import, User interface or workspaces

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84

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Aug 23, 2020 1
Adobe Community Professional ,
Aug 23, 2020

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Can't really tell much from your screen capture, but I'd first confirm that you are actually matching your project settings and video specs. 

 

Open your original video in your the free download MediaInfo. In MediaInfo, set View to Text and then copy the text report and paste it to this forum. 

 

Also, go to the program's Edit menu and tell us what is listed on the General page under Project Settings.

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Aug 23, 2020 0
Community Beginner ,
Aug 23, 2020

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Hi Steve,

thank you for your answer.

 

General project setting are

3840*2160 50p, square pixel 50fps timecode

It made no difference to change to from 1080p50, problem remains the same.

If I stop the video in the preview, the picture is clear. After resume playing,

it gets scrambled after a glimpse.

 

Here is what I got from MediaInfo:

General
Format : MPEG-4
Format profile : Base Media / Version 1
Codec ID : mp41 (mp41)
File size : 123 MiB
Duration : 22 s 848 ms
Overall bit rate : 45.3 Mb/s
Encoded date : UTC 2020-08-18 14:38:20
Tagged date : UTC 2020-08-18 16:38:21
xyz : +55.8428+008.2693/

Video
ID : 1
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main@L5.1@Main
Codec ID : hvc1
Codec ID/Info : High Efficiency Video Coding
Duration : 22 s 840 ms
Bit rate : 45.0 Mb/s
Width : 2 704 pixels
Height : 1 520 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 50.000 FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Bits/(Pixel*Frame) : 0.219
Stream size : 123 MiB (99%)
Title : GoPro H.265
Language : English
Encoded date : UTC 2020-08-18 14:38:20
Tagged date : UTC 2020-08-18 16:38:21
Color range : Full
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Codec configuration box : hvcC

Audio
ID : 2
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : mp4a-40-2
Duration : 22 s 848 ms
Bit rate mode : Constant
Bit rate : 192 kb/s
Nominal bit rate : 48.0 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 529 KiB (0%)
Title : GoPro AAC
Language : English
Encoded date : UTC 2020-08-18 14:38:20
Tagged date : UTC 2020-08-18 16:38:21

Other #1
ID : 3
Type : Time code
Format : QuickTime TC
Duration : 22 s 840 ms
Bit rate mode : Constant
Frame rate : 50.000 FPS
Time code of first frame : 16:38:21:47
Time code, striped : Yes
Title : GoPro TCD
Language : English
Encoded date : UTC 2020-08-18 14:38:20
Tagged date : UTC 2020-08-18 16:38:21

Other #2
Type : meta
Duration : 22 s 0 ms
Bit rate mode : Variable

Other #3
Type : meta
Bit rate mode : Variable
mdhd_Duration : 22840

 

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Aug 23, 2020 0
Adobe Community Professional ,
Aug 23, 2020

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I have borrowed GoPro HEVC footage to try on my computer.   I could not get HEVC at 60fps to work.  30fps worked fine.   It MAY be that Premiere Elements can't handle HEVC at 60.  If your footage is HEVC at 60 fps you may need to convert it with something like the (free) Handbrake program.  Another option is to start a chat session with Adobe using the Online Support choice in the Help Menu.  

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Aug 23, 2020 0
Community Beginner ,
Aug 23, 2020

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Hi whsprague,

 

thank you for your answer. My videos are 50p. For I would expect Premiere Elements to be able to handle 50p I would prefer not to convert videos before editing if there is another solution. If not, it may be worth a try...

Onlinesupport is a good idea, I'll have a try.

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Aug 23, 2020 0
Adobe Community Professional ,
Aug 23, 2020

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Not HEVC 50p. And not at the 2704x1520 resolution.

You're not going to be able to edit that video resolution and frame rate natively in this program.

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Aug 23, 2020 0
Community Beginner ,
Aug 31, 2020

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Thanks for the answer. Still it is very disappointing...I bought the Software for that purpose...

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Aug 31, 2020 0
Adobe Community Professional ,
Aug 23, 2020

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Surfer, I agree that it "should" handle higher frame rate HEVC footage.   The reality is that high frame rate HEVC is closer to "cutting edge" than old and reliable.   Premiere Elements updates once a year and coding seems aimed at mainstream consumer cameras.   I started using Premiere Elements when HD was close to "cutting edge" and the workflow wasn't as smooth as it "should" have been.   

If anyone knows the solution it will be the Online Support group.  PLEASE return for an update here if you learn a solution!

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Aug 23, 2020 0
Explorer ,
Aug 24, 2020

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I have exactly the same problem on AP2020 with HEVC files from my GoPro recorded in 1440p resolution. What is interesting , 4K 60 HEVC clips look OK and I can work on them apart from another problem which I described here:

 

https://community.adobe.com/t5/premiere-elements/cross-dissolve-transition-not-working-with-hevc-fil...

 

There are some issues with HEVC and AP even 2020 and I feel disappointed since I upgraded PE mainly to get HEVC support.

I’m surprised that Adobe hasn’t fixed it as many more users must have encountered that problem

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Aug 24, 2020 0