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Fixed in 2021.1.X

Fixed in 2019.4.X, 2020.1.X, 2020.2.X



Found in






Issue ID




Crash on WindowsVideoMedia::GetNextVideoFrameGeneric when importing a mov file



How to reproduce:
1. Create a new Unity project
2. Import "crash.MOV"

Reproducible with: 2019.3.0a9, 2019.4.7f1, 2020.1.1f1, 2020.2.0a20
Not reproducible with: 2018.4.26f1

First lines of the stack trace:
0x00007ff72fd08b63 (Unity) WindowsVideoMedia::GetNextVideoFrameGeneric
0x00007ff72fd0874a (Unity) WindowsVideoMedia::GetNextVideoFrame
0x00007ff7308f0908 (Unity) VideoClipTranscode::SetToDefault
0x00007ff7308ef1f9 (Unity) VideoClipTranscode::Import
0x00007ff730c2401f (Unity) VideoClipImporter::GenerateAssetData

  1. Resolution Note (fix version 2021.1):

    Fixed in: 2021.1.0a6

    Movies with rotated video (e.g. shot in portrait on a mobile phone) are not supported in Unity. So far, the rotation metadata in the file has simply been disregarded, but recent changes in the VideoPlayer implementation on Windows/UWP caused this metadata to be partially used, leading to out-of-bounds memory access.

    Short term workaround is to avoid using such videos in Unity and convert the files prior to import so the rotation is applied (and not just as metadata). The fix being prepared will bring back the existing behaviour of disregarding the rotation metadata. And longer term, when we are ready, we will add full support for rotated videos on all platforms.

  2. Resolution Note (fix version 2020.2):

    Fixed in: 2020.2.0b12

  3. Resolution Note (fix version 2020.1):

    Fixed in: 2020.1.15f1

  4. Resolution Note (fix version 2019.4):

    Fixed in: 2019.4.16f1

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