The number of samples to use per frame. Use \c 0 to let the encoder
estimate a blocksize; this is usually best.
\default \c 0
\param encoder An encoder instance to set.
\param value See above.
\assert
\code encoder != NULL \endcode
\retval FLAC__bool
\c false if the encoder is already initialized, else \c true.
Set the blocksize to use while encoding.
The number of samples to use per frame. Use \c 0 to let the encoder estimate a blocksize; this is usually best.
\default \c 0 \param encoder An encoder instance to set. \param value See above. \assert \code encoder != NULL \endcode \retval FLAC__bool \c false if the encoder is already initialized, else \c true.