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add function to get number of tempos found in SMF tempo map

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This commit is contained in:
Paul Davis 2016-12-16 10:43:41 +00:00
parent fe0761d404
commit 2378e7b60c
2 changed files with 11 additions and 0 deletions
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1
libs/evoral/src/libsmf/smf.h
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@ -404,6 +404,7 @@ int smf_save(smf_t *smf, FILE *file) WARN_UNUSED_RESULT;
/* Routines for manipulating smf_tempo_t. */ /* Routines for manipulating smf_tempo_t. */
smf_tempo_t *smf_get_tempo_by_pulses(const smf_t *smf, size_t pulses) WARN_UNUSED_RESULT; smf_tempo_t *smf_get_tempo_by_pulses(const smf_t *smf, size_t pulses) WARN_UNUSED_RESULT;
smf_tempo_t *smf_get_tempo_by_seconds(const smf_t *smf, double seconds) WARN_UNUSED_RESULT; smf_tempo_t *smf_get_tempo_by_seconds(const smf_t *smf, double seconds) WARN_UNUSED_RESULT;
int smf_get_tempo_count (const smf_t *smf) WARN_UNUSED_RESULT;
smf_tempo_t *smf_get_tempo_by_number(const smf_t *smf, size_t number) WARN_UNUSED_RESULT; smf_tempo_t *smf_get_tempo_by_number(const smf_t *smf, size_t number) WARN_UNUSED_RESULT;
smf_tempo_t *smf_get_last_tempo(const smf_t *smf) WARN_UNUSED_RESULT; smf_tempo_t *smf_get_last_tempo(const smf_t *smf) WARN_UNUSED_RESULT;

10
libs/evoral/src/libsmf/smf_tempo.c
View file

@ -253,6 +253,16 @@ smf_create_tempo_map_and_compute_seconds(smf_t *smf)
/* Not reached. */ /* Not reached. */
} }
int
smf_get_tempo_count (const smf_t *smf)
{
if (!smf->tempo_array) {
return 0;
}
return smf->tempo_array->len;
}
smf_tempo_t * smf_tempo_t *
smf_get_tempo_by_number(const smf_t *smf, size_t number) smf_get_tempo_by_number(const smf_t *smf, size_t number)
{ {