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Fixed in 2017.1.X



Found in


Issue ID




[VP8]Unable to read movie header error when transcoding video to VP8 codec with small custom dimensions



To reproduce:
1. Add video to the project
2. Enable transcode
3. Set custom dimensions to 2x2
4. Set codec to VP8
5. Hit apply

Actual: Error is thrown in console:

Error: Unable to read movie header

mkvparser::EBMLHeader::Parse() failed
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)

Expected: no errors in console

Reproducible: 2017.01b1
Not reproducible: 2017.01a6

Comments (2)

  1. IMD

    Jan 28, 2019 08:45

    I'm also having this issue with original dimensions using Unity 2017.4.18 !! What went wrong?

  2. ireth_86

    May 04, 2018 08:38

    I'm having the same issue but with original dimensions of the video, using Unity 2017.2.0f3.

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