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-rw-r--r--libs/ardour/dsp_filter.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/libs/ardour/dsp_filter.cc b/libs/ardour/dsp_filter.cc
index 7470a583d3..0eef61a0f4 100644
--- a/libs/ardour/dsp_filter.cc
+++ b/libs/ardour/dsp_filter.cc
@@ -67,7 +67,7 @@ ARDOUR::DSP::log_meter_coeff (float coeff) {
}
void
-ARDOUR::DSP::peaks (float *data, float &min, float &max, uint32_t n_samples) {
+ARDOUR::DSP::peaks (const float *data, float &min, float &max, uint32_t n_samples) {
for (uint32_t i = 0; i < n_samples; ++i) {
if (data[i] < min) min = data[i];
if (data[i] > max) max = data[i];