Specifies the default video player.
If enabled, the player will adjust the time position after pausing or stopping.
This option may increase frame accuracy.
Overlay alpha threshold
Specifies the alpha threshold for subpictures overlaid on the video.
A value of 64 means that pixels with alpha less than 64 will be removed.
This option works only with ActiveX players (QuickTime).
It optimizes the overlay for ActiveX players.
Render all frames
If enabled, the monitor will be refreshed each time the time position changes.
If disabled, the monitor will be refreshed only when the clip to be displayed is different.
Multi-threaded monitor preview
Specifies if the monitor will render its content using several threads.
This option accelerates monitor preview, mainly when displaying remapped images, overlays and stereoscopic content.
Multi-threaded pixel operations
Specifies if pixel operations will be executed in several threads, and the maximum number of threads to use.
This includes, color remapping, bitmap effects, fadings, and more.
Multi-threaded image cropping
If enabled, images are cropped multi-threading.
A performance improvement is noticed with images larger than HD 1080.
Use image cache
Specifies if loaded images will be stored in memory.
Image cache size
Specifies the maximum number of images to store.
Load all subpictures
Loads into the buffer all the subpictures in the current track.
Auto load all subpictures
If enabled, when a project is opened, all its subpictures are loaded into the buffer.
Clear image cache
Erases the image cache.
Auto clear image cache
Erases the image cache when a project is closed
These settings instruct the render engine to release memory continuously.
Render engine HD/2K
Memory is released if the rendered image is HD, 2K or smaller.
This setting may slow down your system. In most of the cases you do not need to enable this option.
Render engine larger than HD/2K
Memory is released if the rendered image is 4K or larger.