Add DSPLoadCalculator::set_max_time() to set max time based on samplerate and period...

diff --git a/libs/ardour/ardour/dsp_load_calculator.h b/libs/ardour/ardour/dsp_load_calculator.h
index 1da9786d367d6da007e098ed3cd87e0df785ff68..7ee741aceb4b147d2a5af970b04bdb0f60145841 100644 (file)
--- a/libs/ardour/ardour/dsp_load_calculator.h
+++ b/libs/ardour/ardour/dsp_load_calculator.h
@@ -36,6 +36,10 @@ public:
 
        }
 
+       void set_max_time(double samplerate, uint32_t period_size) {
+               m_max_time_us = (1e6 / samplerate) * period_size;
+       }
+
        void set_max_time_us(uint64_t max_time_us) {
                assert(max_time_us != 0);
                m_max_time_us = max_time_us;
@@ -60,7 +64,7 @@ public:
                 */
                if (m_start_timestamp_us < 0 || m_stop_timestamp_us < 0 ||
                    m_start_timestamp_us > m_stop_timestamp_us ||
-                   elapsed_time_us() > max_timer_error()) {
+                   elapsed_time_us() > max_timer_error_us()) {
                        return;
                }
 
@@ -98,8 +102,11 @@ public:
                return m_dsp_load;
        }
 
-private: // methods
-       int64_t max_timer_error () { return 4 * m_max_time_us; }
+       /**
+        * The maximum error in timestamp values that will be tolerated before the
+        * current dsp load sample will be ignored
+        */
+       int64_t max_timer_error_us() { return 4 * m_max_time_us; }
 
 private: // data
        int64_t m_max_time_us;