ardour/livetrax
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add some more documentation

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This commit is contained in:
Robin Gareus 2016-03-25 01:21:14 +01:00
parent cac89c0b42
commit 581e25f369
1 changed files with 25 additions and 0 deletions
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25
libs/ardour/ardour/dsp_filter.h
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@ -121,11 +121,36 @@ namespace ARDOUR { namespace DSP {
size_t _size;
};
/** lua wrapper to memset() */
void memset (float *data, const float val, const uint32_t n_samples);
/** matrix multiply
* multiply every sample of `data' with the corresponding sample at `mult'.
*
* @param data multiplicand
* @param mult multiplicand
* @param n_samples number of samples in data and mmult
*/
void mmult (float *data, float *mult, const uint32_t n_samples);
/** calculate peaks
*
* @param data data to analyze
* @param min result, minimum value found in range
* @param max result, max value found in range
* @param n_samples number of samples to analyze
*/
void peaks (float *data, float &min, float &max, uint32_t n_samples);
/** non-linear power-scale meter deflection
*
* @param power signal power (dB)
* @returns deflected value
*/
float log_meter (float power);
/** non-linear power-scale meter deflection
*
* @param coeff signal value
* @returns deflected value
*/
float log_meter_coeff (float coeff);
/** 1st order Low Pass filter */