Video recorded on Apple devices displays upside down #98480

New Issue

Kent Davis · 2022-05-29T15:23:24+02:00

Kent Davis commented

2022-05-29 15:23:24 +02:00

System Information
Operating system: macOS-12.5-x86_64-i386-64bit 64 Bits
Graphics card: AMD Radeon Pro 575 OpenGL Engine ATI Technologies Inc. 4.1 ATI-4.8.54

Blender Version
Broken: version: 3.3.0 Alpha, branch: master, commit date: 2022-05-25 21:21, hash: dc6fe73e70
Worked: (newest version of Blender that worked as expected)

Short description of error
iPad Pro Generation 3 video record of camera.

Exact steps for others to reproduce the error
iMac MacOS:
iPad Pro:

File Video .mov You have to use Mac only. Don't use Windows sorry.: IMG_1356.MOV

See youtube: https://youtu.be/BRFxWsopyGE

I do use iPad Pro record video of camera.app then send to iMac then open Blender 3.3.0 Alpha and put cause upside down video.

**System Information** Operating system: macOS-12.5-x86_64-i386-64bit 64 Bits Graphics card: AMD Radeon Pro 575 OpenGL Engine ATI Technologies Inc. 4.1 ATI-4.8.54 **Blender Version** Broken: version: 3.3.0 Alpha, branch: master, commit date: 2022-05-25 21:21, hash: `dc6fe73e70` Worked: (newest version of Blender that worked as expected) **Short description of error** iPad Pro Generation 3 video record of camera. **Exact steps for others to reproduce the error** iMac MacOS: ![image.png](https://archive.blender.org/developer/F13120947/image.png) iPad Pro: ![IMG_1357.PNG](https://archive.blender.org/developer/F13121006/IMG_1357.PNG) File Video .mov You have to use Mac only. Don't use Windows sorry.: [IMG_1356.MOV](https://archive.blender.org/developer/F13120955/IMG_1356.MOV) See youtube: https://youtu.be/BRFxWsopyGE I do use iPad Pro record video of camera.app then send to iMac then open Blender 3.3.0 Alpha and put cause upside down video.

Kent Davis commented

2022-05-29 15:23:24 +02:00

Added subscriber: @Kent-Davis

Richard Antalik commented

2022-05-30 01:46:55 +02:00

Added subscriber: @iss

Richard Antalik commented

2022-05-30 01:46:55 +02:00

Changed status from 'Needs Triage' to: 'Confirmed'

Richard Antalik commented

2022-05-30 01:46:55 +02:00

I can reproduce on windows too, VLC seems to play this video correctly. Seems that all previous versions produce same result, so this is not caused by recent change. Will check quickly to see if I see something obviously broken.

Richard Antalik commented

2022-05-30 01:57:22 +02:00

Provided video has orientation value set to "top right" while videos rendered with Blender have orientation "top left". This is difference that sticks out to me. Not sure if VLC compensates for this or if ffmpeg does though.

ffplay does add

    Side data:
      displaymatrix: rotation of -180.00 degrees

Looking at ffplay code, this is handled explicitly by using ffmpeg filters, so we would have to add this support to Blender. Technically this could be as simple as flipping sign in ffmpeg_postprocess, but if this was implemented I guess other orientations should be supported (90 degree) where this would require different solution.

Provided video has orientation value set to "top right" while videos rendered with Blender have orientation "top left". This is difference that sticks out to me. Not sure if VLC compensates for this or if ffmpeg does though. ffplay does add ``` Side data: displaymatrix: rotation of -180.00 degrees ``` Looking at ffplay code, this is handled explicitly by using ffmpeg filters, so we would have to add this support to Blender. Technically this could be as simple as flipping sign in `ffmpeg_postprocess`, but if this was implemented I guess other orientations should be supported (90 degree) where this would require different solution.

Richard Antalik commented

2022-05-30 02:16:47 +02:00

After checking cause of this issue, will mark this as known issue since this is something that users may have to deal with. In most areas, you can flip video orientation in one way or another, in worst case you can re-encode it to correct orientation.

Aaron Carlisle commented

2022-05-31 03:35:14 +02:00

Added subscriber: @Blendify

Aaron Carlisle commented

2022-05-31 03:35:14 +02:00

This is a common issue in some other applications, a colleague of mine has issues with video straight from Apple devices in Playback Pro.

I suspect that the apps that render the video correctly are able to read the displaymatrix and internally rotate the video before playing it back.

This is a common issue in some other applications, a colleague of mine has issues with video straight from Apple devices in Playback Pro. I suspect that the apps that render the video correctly are able to read the displaymatrix and internally rotate the video before playing it back.

Aaron Carlisle changed title from ~~Upside down video May 29, 2022~~ to Video recorded on Apple devices displays upside down

2022-05-31 03:37:02 +02:00

Kent Davis commented

2022-05-31 03:49:03 +02:00

Thanks

Kent Davis commented

2022-05-31 04:04:01 +02:00

I did send to Apple report a ticket too

I did send to Apple report a ticket too ![image.png](https://archive.blender.org/developer/F13123812/image.png)

Kent Davis commented

2022-08-12 20:50:07 +02:00

Still bug (Feedback assistant.app) I told them I will not close ticket until resolve I want to see first.
iPadOS 16 beta 5
Blender 3.2.2

Still bug (Feedback assistant.app) I told them I will not close ticket until resolve I want to see first. iPadOS 16 beta 5 Blender 3.2.2 ![image.png](https://archive.blender.org/developer/F13372871/image.png)

Philipp Oeser removed the

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Video recorded on Apple devices displays upside down #98480