diff options
| -rw-r--r-- | libs/ardour/ardour/dsp_filter.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/libs/ardour/ardour/dsp_filter.h b/libs/ardour/ardour/dsp_filter.h index c2572e0a71..0ecf08cf44 100644 --- a/libs/ardour/ardour/dsp_filter.h +++ b/libs/ardour/ardour/dsp_filter.h @@ -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 */ |