diff options
Diffstat (limited to 'libaf/af.h')
| -rw-r--r-- | libaf/af.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/libaf/af.h b/libaf/af.h index dc542bb7e0..48dfbc5b17 100644 --- a/libaf/af.h +++ b/libaf/af.h @@ -180,6 +180,19 @@ int af_resize_local_buffer(af_instance_t* af, af_data_t* data); needed */ int af_lencalc(frac_t mul, af_data_t* data); +/* Helper function used to convert to gain value from dB. Returns + AF_OK if of and AF_ERROR if fail */ +int af_from_dB(int n, float* in, float* out, float k, float mi, float ma); +/* Helper function used to convert from gain value to dB. Returns + AF_OK if of and AF_ERROR if fail */ +int af_to_dB(int n, float* in, float* out, float k); +/* Helper function used to convert from ms to sample time*/ +int af_from_ms(int n, float* in, float* out, int rate, float mi, float ma); +/* Helper function used to convert from sample time to ms */ +int af_to_ms(int n, float* in, float* out, int rate); +/* Helper function for testing the output format */ +int af_test_output(struct af_instance_s* af, af_data_t* out); + /* Memory reallocation macro: if a local buffer is used (i.e. if the filter doesn't operate on the incoming buffer this macro must be called to ensure the buffer is big enough. */ |