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add FLAC__format_is_valid_sample_rate()

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This commit is contained in:
Josh Coalson
2002-05-04 17:35:51 +00:00
parent 36432f4e33
commit cc059bc889
1 changed files with 20 additions and 1 deletions
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21
src/libFLAC/format.c
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@@ -40,10 +40,13 @@ const unsigned FLAC__STREAM_METADATA_APPLICATION_ID_LEN = 32; /* bits */
const unsigned FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN = 64; /* bits */
const unsigned FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN = 64; /* bits */
const unsigned FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN = 16; /* bits */
const unsigned FLAC__STREAM_METADATA_SEEKPOINT_LEN = 18; /* bytes */
const unsigned FLAC__STREAM_METADATA_SEEKPOINT_LENGTH = 18; /* bytes */
const FLAC__uint64 FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER = 0xffffffffffffffff;
const unsigned FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN = 32; /* bits */
const unsigned FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN = 32; /* bits */
const unsigned FLAC__STREAM_METADATA_IS_LAST_LEN = 1; /* bits */
const unsigned FLAC__STREAM_METADATA_TYPE_LEN = 7; /* bits */
const unsigned FLAC__STREAM_METADATA_LENGTH_LEN = 24; /* bits */
@@ -109,3 +112,19 @@ const char *FLAC__MetaDataTypeString[] = {
"SEEKTABLE",
"VORBIS_COMMENT"
};
FLAC__bool FLAC__format_is_valid_sample_rate(unsigned sample_rate)
{
if(
sample_rate == 0 ||
sample_rate > FLAC__MAX_SAMPLE_RATE ||
(
sample_rate >= (1u << 16) &&
!(sample_rate % 1000 == 0 || sample_rate % 10 == 0)
)
) {
return false;
}
else
return true;
}