ret = IsSample(file$[, table])
file$ is in a supported
sample format. If it is, this function will return True, otherwise
False. If this function returns True, you can load the sample by calling
LoadSample().
Starting with Hollywood 6.0 this function accepts an optional table argument which allows you to configure further options:
Loader:
Adapter:
UserTags:
True if the sample is in a supported format, False otherwise