[Bug]: mp4's from iphone appear upside down

[mcoliver]

What happened?

Someone sent me a mp4 from their iphone. I loaded it into RV and it appeared upside down. Need to fix theorientations

List all the operating systems versions where this is happening

macos

On what computer hardware is this happening?

macair

Relevant console log output

Environment variables

No response

Extra information

No response

Code of Conduct

• I agree to follow this project's Code of Conduct

[cedrik-fuoco-adsk]

Hi @mcoliver, if it's possoble, could you provide a sample media to help reproduce the issue? Thank you!

[mcoliver]

I have a pr submitted with a fix

[cedrik-fuoco-adsk]

I understand, but we have to test it on our side. @mcoliver

[mcoliver]

Full flow. User captures video with iphone, sms to android, download resulting mp4. Sample included here
https://github.com/user-attachments/assets/91559728-e07c-4916-a06f-797df4cf2d9e

[mcoliver]

FFProbe info here. the crucial lines

IMG_4289.mp4.json

            "side_data_list": [
                {
                    "side_data_type": "Display Matrix",
                    "displaymatrix": "\n00000000:            0       65536           0\n00000001:       -65536           0           0\n00000002:     47185920           0  1073741824\n",
                    "rotation": -90
                }
            ]

[mcoliver]

Happens with rotation 90 and -90