- Be sure to set a filename to be produced. The filename extension controls what format file is produced, and what compression options should be adjusted.
- Windows: You may need to install the HEVC Video Extensions application from the Microsoft store to be able to read/write h.264/265 files. See "Movie-Reading on Windows" in the User Manual.
- Windows: The Preview Movie is produced by OpenGL, but with older or integrated graphics it may be routed to Windows's software renderer, which can limit the maximum allowable output resolution.
- Linux: SynthEyes can only write ProRes movies on Linux.
- When writing MP4 files, be sure to select a bit rate that accommodates your image resolution and desired quality level.