vorbis_synthesis_halfrate

declared in "vorbis/codec.h";

This function puts the Vorbis decoder into or out of half-rate mode. In half-rate mode, the audio is decoded to only half its original sampling rate. Half-rate mode speeds up decoding at the expense of decoded audio quality.

extern int      vorbis_synthesis_halfrate(vorbis_info *v,int flag);

Parameters

v

The vorbis_info structure for the decoder instance.

flag

Whether half-rate mode is to be turned on or off. Zero turns it off; nonzero turns it on.

Return Values

0 on success.

-1 if half-rate mode could not be set.