CATSUBSTREAMBUILDER

typedef CATStream*(* CATStream::CATSUBSTREAMBUILDER)(CATInt64 offset, CATInt64 length, CATStream *parent, void *param1, CATUInt32 param2) [private] CATSUBSTREAMBUILDER defines a factory function that child classes can use to create substreams of a requested type. Each stream type should have a CATStreamXXXX_Builder() function of this type. Pass it into the CreateSubStream() function to build a substream of that type. The meaning of the parameters depends upon the type of substream.

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