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-rw-r--r--libs/ardour/ardour/dsp_filter.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libs/ardour/ardour/dsp_filter.h b/libs/ardour/ardour/dsp_filter.h
index eb9ba4aa0d..b7be410950 100644
--- a/libs/ardour/ardour/dsp_filter.h
+++ b/libs/ardour/ardour/dsp_filter.h
@@ -151,7 +151,7 @@ namespace ARDOUR { namespace DSP {
* @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);
+ void peaks (const float *data, float &min, float &max, uint32_t n_samples);
/** non-linear power-scale meter deflection
*