Fix an issue where the mixer lagging too much behind CEF would cause us to display...

[nageru] / audio_mixer.h

diff --git a/audio_mixer.h b/audio_mixer.h
index afebea471b7809cd7e51e11b583a413193159c2a..17f95280e28eba8a9a85756cb24c626a6f3f858c 100644 (file)
--- a/audio_mixer.h
+++ b/audio_mixer.h
@@ -394,6 +394,19 @@ private:
        std::atomic<double> metric_audio_peak_dbfs{0.0 / 0.0};
        std::atomic<double> metric_audio_final_makeup_gain_db{0.0};
        std::atomic<double> metric_audio_correlation{0.0};
+
+       // These are all gauges corresponding to the elements of BusLevel.
+       // In a sense, they'd probably do better as histograms, but that's an
+       // awful lot of time series when you have many buses.
+       struct BusMetrics {
+               std::vector<std::pair<std::string, std::string>> labels;
+               std::atomic<double> current_level_dbfs[2]{{0.0/0.0},{0.0/0.0}};
+               std::atomic<double> peak_level_dbfs[2]{{0.0/0.0},{0.0/0.0}};
+               std::atomic<double> historic_peak_dbfs{0.0/0.0};
+               std::atomic<double> gain_staging_db{0.0/0.0};
+               std::atomic<double> compressor_attenuation_db{0.0/0.0};
+       };
+       std::unique_ptr<BusMetrics[]> bus_metrics;  // One for each bus in <input_mapping>.
 };
 
 extern AudioMixer *global_audio_mixer;