setProxyWithSolid()

Creates a SolidSource object with specified values, sets this as the value of the proxySource attribute, and sets useProxy to true. It does not preserve the

preserveNestedFrameRate

When true, the frame rate of nested compositions is preserved in the current composition. Corresponds to the value of the Preserve frame rate when nested or

preserveNestedResolution

When true, the resolution of nested compositions is preserved in the current composition. Corresponds to the value of the Preserve Resolution When Nested op

setProxy()

Sets a file as the proxy of this AVItem. Loads the specified file into a new FileSource object, sets this as the value of the proxySource attribute, and set