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4.1 regression: Artifacts in video output caused by threaded YUV conversion #120077

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opened 2024-03-29 19:58:31 +01:00 by IMBJR-3 · 8 comments
IMBJR-3 commented 2024-03-29 19:58:31 +01:00
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System Information
Operating system: Arch Linux
Graphics card: AMD RX480

Blender Version
Broken: 4.1
Worked: 4.0.2
Caused by 422dd9404f

Short description of error
Rendering of a mp4 produces artifacts to the very left of the video produced. See attached image with the artifacts ringed in white. They appear as grey lines.

Using View Animation after rendering shows that there is some glitching going on throughout the very left of the viewport.

Exact steps for others to reproduce the error

Open attached .blend file and render animation.

**System Information** Operating system: Arch Linux Graphics card: AMD RX480 **Blender Version** Broken: 4.1 Worked: 4.0.2 Caused by 422dd9404f028475fcb044ba7c3fbfcb19b643a5 **Short description of error** Rendering of a mp4 produces artifacts to the very left of the video produced. See attached image with the artifacts ringed in white. They appear as grey lines. Using View Animation after rendering shows that there is some glitching going on throughout the very left of the viewport. **Exact steps for others to reproduce the error** Open attached [.blend file](https://projects.blender.org/attachments/84c8b647-026a-4ad2-a043-7634935f3dea) and render animation.
vlcsnap-2024-03-29-18h49m06s755-with-markers.jpg
253 KiB
vlcsnap-2024-03-29-18h49m06s755-with-markers.jpg
IMBJR-3 added the
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 labels 2024-03-29 19:58:32 +01:00
Iliya Katushenock commented 2024-03-29 19:59:38 +01:00
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Can you attach simple example file?

Can you attach simple example file?
IMBJR-3 commented 2024-03-29 20:31:59 +01:00
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Please find attached a stripped down version of the blend file I was using. It demonstrates the issue once the animation is rendered with the settings as set.

Please find attached a stripped down version of the blend file I was using. It demonstrates the issue once the animation is rendered with the settings as set.
sample-of-issue.zip
34 MiB
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IMBJR-3 commented 2024-03-29 20:45:27 +01:00
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Some more information:

[imbjr@pc ~]$ pacman -Qi ffmpeg
Name : ffmpeg
Version : 2:6.1.1-7
Build Date : Mon 18 Mar 2024 15:48:35 GMT
Install Date : Fri 22 Mar 2024 07:07:54 GMT

[imbjr@pc ~]$ pacman -Qi blender
Name : blender
Version : 17:4.1.0-1
Build Date : Tue 26 Mar 2024 16:08:37 GMT
Install Date : Thu 28 Mar 2024 17:23:12 GMT

I've re-rendered an animation I made 5 days ago and it now shows the artifacts as well.

Some more information: [imbjr@pc ~]$ pacman -Qi ffmpeg Name : ffmpeg Version : 2:6.1.1-7 Build Date : Mon 18 Mar 2024 15:48:35 GMT Install Date : Fri 22 Mar 2024 07:07:54 GMT [imbjr@pc ~]$ pacman -Qi blender Name : blender Version : 17:4.1.0-1 Build Date : Tue 26 Mar 2024 16:08:37 GMT Install Date : Thu 28 Mar 2024 17:23:12 GMT I've re-rendered an animation I made 5 days ago and it now shows the artifacts as well.
Germano Cavalcante commented 2024-03-29 21:34:46 +01:00
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Seems to work fine for me. Whether I'm viewing it through "View Animation" or any player.
Could it be a problem in Linux?
@lichtwerk, can you check on Linux?

Seems to work fine for me. Whether I'm viewing it through "View Animation" or any player. Could it be a problem in Linux? @lichtwerk, can you check on Linux? <video src="/attachments/39a8d103-2df1-4a7e-afb4-c10190bc8a76" title="video0001-0015.mp4" controls width=300px></video>
video0001-0015.mp4
287 KiB
Alaska commented 2024-03-30 05:26:25 +01:00
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@IMBJR-3 It seems like you installed Blender through your package manager. If this is the case, can you try downloading and testing the official Blender foundation version from: https://www.blender.org/download

Sometimes there are bugs specific to versions compiled by other people.

Note for others. I just tested Linux, and I couldn't reproduce the issue here.

@IMBJR-3 It seems like you installed Blender through your package manager. If this is the case, can you try downloading and testing the official Blender foundation version from: https://www.blender.org/download Sometimes there are bugs specific to versions compiled by other people. --- Note for others. I just tested Linux, and I couldn't reproduce the issue here.
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 labels 2024-03-30 05:29:56 +01:00
IMBJR-3 commented 2024-03-30 07:16:37 +01:00
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I've downloaded the official Linux version and the render artifacts are there too. See attached.

I've downloaded the official Linux version and the render artifacts are there too. See attached.
vlcsnap-2024-03-30-06h15m33s815.png
1.2 MiB
vlcsnap-2024-03-30-06h15m33s815.png
Alaska added
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Richard Antalik commented 2024-03-30 20:34:39 +01:00
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I can reproduce this with all players pretty much. Will check older versions and bisect.

I can reproduce this with all players pretty much. Will check older versions and bisect.
Richard Antalik changed title from Rendering artifacts in video output to Regression: Artifacts in video output 2024-03-30 21:35:05 +01:00
Richard Antalik commented 2024-03-30 21:37:46 +01:00
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CC @aras_p. Just a note, that I will be unavailable for next 2 weeks, so won't be able to review fix

CC @aras_p. Just a note, that I will be unavailable for next 2 weeks, so won't be able to review fix
👍 1
Aras Pranckevicius self-assigned this 2024-04-02 09:57:48 +02:00
Aras Pranckevicius changed title from Regression: Artifacts in video output to 4.1 regression: Artifacts in video output caused by threaded YUV conversion 2024-04-02 09:58:30 +02:00
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Reference: blender/blender#120077
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