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MagicHD User Manual 2 / 58

1.2 Known Problems

Known major problems with MagicHD:

• Playback of multiple layers of some HD media content types can be jerky or slow the system down: load management is not

yet implemented (whereby lower layers will skip frames to ensure the correct frame rate is maintained).

• When the text layer ﬁlls the screen rendering can be jerky due to huge font sizes.

• Aspect ratio appears to change when objects are rotated.

• With Windows 8 MagicHD must be run as administrator for media conversion to work.

• Some content encoded with the jpeg2000 codec causes ffmpeg (the tool used to convert media) to crash. If this happens the

user will have to convert the media ofﬂine with a different tool.

1.3 Changes

Changes to DMX personalities are described in Appendix A. These are changes that might break shows based on older versions.

1.4 References

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