Add a stereo correlation meter.

[nageru] / mixer.h

diff --git a/mixer.h b/mixer.h
index ffae67a6e398687640c155ae12d8dd81c33f11e0..961c2a6c20948d72db4ca150aa7ec8c570d8e44d 100644 (file)
--- a/mixer.h
+++ b/mixer.h
@@ -35,6 +35,7 @@
 #include "stereocompressor.h"
 #include "filter.h"
 #include "input_state.h"
+#include "correlation_measurer.h"
 
 class H264Encoder;
 class QSurface;
@@ -103,7 +104,8 @@ public:
 
        typedef std::function<void(float level_lufs, float peak_db,
                                   float global_level_lufs, float range_low_lufs, float range_high_lufs,
-                                  float gain_staging_db, float final_makeup_gain_db)> audio_level_callback_t;
+                                  float gain_staging_db, float final_makeup_gain_db,
+                                  float correlation)> audio_level_callback_t;
        void set_audio_level_callback(audio_level_callback_t callback)
        {
                audio_level_callback = callback;
@@ -288,6 +290,7 @@ private:
        audio_level_callback_t audio_level_callback = nullptr;
        std::mutex compressor_mutex;
        Ebu_r128_proc r128;  // Under compressor_mutex.
+       CorrelationMeasurer correlation;  // Under compressor_mutex.
 
        Resampler peak_resampler;
        std::atomic<float> peak{0.0f};