Add some exported metrics for the EBU R128 measurements.

[nageru] / audio_mixer.cpp

diff --git a/audio_mixer.cpp b/audio_mixer.cpp
index 6a08f2167d62a434a1b31a7af160ff61a6378b3d..0cd8b712f903beba4b4430b40ef811aa1acf8ee2 100644 (file)
--- a/audio_mixer.cpp
+++ b/audio_mixer.cpp
@@ -20,6 +20,7 @@
 
 #include "db.h"
 #include "flags.h"
+#include "metrics.h"
 #include "state.pb.h"
 #include "timebase.h"
 
@@ -212,6 +213,14 @@ AudioMixer::AudioMixer(unsigned num_cards)
                        current_mapping_mode = MappingMode::MULTICHANNEL;
                }
        }
+
+       global_metrics.register_double_metric("audio_loudness_short_lufs", &metric_audio_loudness_short_lufs);
+       global_metrics.register_double_metric("audio_loudness_integrated_lufs", &metric_audio_loudness_integrated_lufs);
+       global_metrics.register_double_metric("audio_loudness_range_low_lufs", &metric_audio_loudness_range_low_lufs);
+       global_metrics.register_double_metric("audio_loudness_range_high_lufs", &metric_audio_loudness_range_high_lufs);
+       global_metrics.register_double_metric("audio_peak_dbfs", &metric_audio_peak_dbfs);
+       global_metrics.register_double_metric("audio_final_makeup_gain_db", &metric_audio_final_makeup_gain_db);
+       global_metrics.register_double_metric("audio_correlation", &metric_audio_correlation);
 }
 
 void AudioMixer::reset_resampler(DeviceSpec device_spec)
@@ -827,6 +836,14 @@ void AudioMixer::send_audio_level_callback()
        double loudness_range_low = r128.range_min();
        double loudness_range_high = r128.range_max();
 
+       metric_audio_loudness_short_lufs = loudness_s;
+       metric_audio_loudness_integrated_lufs = loudness_i;
+       metric_audio_loudness_range_low_lufs = loudness_range_low;
+       metric_audio_loudness_range_high_lufs = loudness_range_high;
+       metric_audio_peak_dbfs = to_db(peak);
+       metric_audio_final_makeup_gain_db = to_db(final_makeup_gain);
+       metric_audio_correlation = correlation.get_correlation();
+
        vector<BusLevel> bus_levels;
        bus_levels.resize(input_mapping.buses.size());
        {