Tests that a blocksize at the given sample rate is valid for the FLAC
subset.
\param blocksize The blocksize to test for compliance.
\param sample_rate The sample rate is needed, since the valid subset
blocksize depends on the sample rate.
\retval FLAC__bool
\c true if the given blocksize conforms to the specification for the
subset at the given sample rate, else \c false.
Tests that a blocksize at the given sample rate is valid for the FLAC subset.
\param blocksize The blocksize to test for compliance. \param sample_rate The sample rate is needed, since the valid subset blocksize depends on the sample rate. \retval FLAC__bool \c true if the given blocksize conforms to the specification for the subset at the given sample rate, else \c false.