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Appendix: Advanced Settings for H.264
86 ViewCast
Setting
Explanation
ReferenceFrames
This value is the number of previous frames each P-frame can
use as a reference. Recommended value is around 4 to 8. Each
increase has reduced benefit and constant speed loss with
higher CPU usage. However, 16 can be helpful for animated
content, video game capture, CGI, and other similar content.
SceneChangeDetectThreshold
0 turns off scene change detection. Higher values of scenecut
increase the number of scenecuts detected. A good default is
40.
IMPORTANT! Lowering the default causes less scene
detections so it would use less IDR frames. Those are
expensive heavyweight frames.