Show historic peak of each bus under the peak meter.

[nageru] / audio_mixer.cpp

diff --git a/audio_mixer.cpp b/audio_mixer.cpp
index 6b7ffeb0d6d28fb1ffdbfa8308ab341970893b20..7810b43ab8fb991d79387ec135ba4c701254dfe6 100644 (file)
--- a/audio_mixer.cpp
+++ b/audio_mixer.cpp
@@ -555,6 +555,7 @@ void AudioMixer::measure_bus_levels(unsigned bus_index, const vector<float> &lef
                static constexpr float falloff_db_sec = 15.0f;  // dB/sec falloff after hold.
                float current_peak;
                PeakHistory &history = peak_history[bus_index][channel];
+               history.historic_peak = max(history.historic_peak, peak_levels[channel]);
                if (history.age_seconds < hold_sec) {
                        current_peak = history.last_peak;
                } else {
@@ -639,6 +640,9 @@ void AudioMixer::send_audio_level_callback()
                        bus_levels[bus_index].current_level_dbfs[1] = to_db(peak_history[bus_index][1].current_level);
                        bus_levels[bus_index].peak_level_dbfs[0] = to_db(peak_history[bus_index][0].current_peak);
                        bus_levels[bus_index].peak_level_dbfs[1] = to_db(peak_history[bus_index][1].current_peak);
+                       bus_levels[bus_index].historic_peak_dbfs = to_db(
+                               max(peak_history[bus_index][0].historic_peak,
+                                   peak_history[bus_index][1].historic_peak));
                        bus_levels[bus_index].gain_staging_db = gain_staging_db[bus_index];
                        if (compressor_enabled[bus_index]) {
                                bus_levels[bus_index].compressor_attenuation_db = -to_db(compressor[bus_index]->get_attenuation());