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FileWvIn Class Reference

STK audio file input class. More...

Detailed Description

STK audio file input class.

This class inherits from WvIn. It provides a "tick-level" interface to the FileRead class. It also provides variable-rate playback functionality. Audio file support is provided by the FileRead class. Linear interpolation is used for fractional read rates.

FileWvIn supports multi-channel data. It is important to distinguish the tick() method that computes a single frame (and returns only the specified sample of a multi-channel frame) from the overloaded one that takes an StkFrames object for multi-channel and/or multi-frame data.

FileWvIn will either load the entire content of an audio file into local memory or incrementally read file data from disk in chunks. This behavior is controlled by the optional constructor arguments chunkThreshold and chunkSize. File sizes greater than chunkThreshold (in sample frames) will be read incrementally in chunks of chunkSize each (also in sample frames).

When the file end is reached, subsequent calls to the tick() functions return zeros and isFinished() returns true.

See the FileRead class for a description of the supported audio file formats.

by Perry R. Cook and Gary P. Scavone, 1995–2014.


The documentation for this class was generated from the following file: