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add FLAC__format_blocksize_is_subset()

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Josh Coalson
2008-05-27 05:19:52 +00:00
parent f7df1154ce
commit 1be89c498d
3 changed files with 25 additions and 3 deletions
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12
include/FLAC/format.h
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@@ -879,6 +879,18 @@ extern FLAC_API const unsigned FLAC__STREAM_METADATA_LENGTH_LEN; /**< == 24 (bit
*/
FLAC_API FLAC__bool FLAC__format_sample_rate_is_valid(unsigned sample_rate);
/** 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.
*/
FLAC_API FLAC__bool FLAC__format_blocksize_is_subset(unsigned blocksize, unsigned sample_rate);
/** Tests that a sample rate is valid for the FLAC subset. The subset rules
* for valid sample rates are slightly more complex since the rate has to
* be expressible completely in the frame header.