X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=mixer.h;h=312566d891e0371eac7ebf765299480fec074f42;hb=7135fa089d451be5114f65579a20e25df3831f5a;hp=33f3a982cbb0519241224bbe67aa605d3b373f56;hpb=d6d9eecec0c85a5cd4aabfce5732421a94af5a5d;p=nageru

diff --git a/mixer.h b/mixer.h
index 33f3a98..312566d 100644
--- a/mixer.h
+++ b/mixer.h
@@ -29,6 +29,8 @@
 #include "resampler.h"
 #include "theme.h"
 #include "timebase.h"
+#include "stereocompressor.h"
+#include "filter.h"
 
 class H264Encoder;
 class QSurface;
@@ -95,7 +97,9 @@ public:
 		output_channel[output].set_frame_ready_callback(callback);
 	}
 
-	typedef std::function<void(float, float, float, float, float)> audio_level_callback_t;
+	typedef std::function<void(float level_lufs, float peak_db,
+	                           float global_level_lufs, float range_low_lufs, float range_high_lufs,
+	                           float auto_gain_staging_db)> audio_level_callback_t;
 	void set_audio_level_callback(audio_level_callback_t callback)
 	{
 		audio_level_callback = callback;
@@ -203,6 +207,12 @@ private:
 
 	// TODO: Implement oversampled peak detection.
 	float peak = 0.0f;
+
+	StereoFilter locut;  // Cutoff 150 Hz, 24 dB/oct.
+
+	// First compressor; takes us up to about -12 dBFS.
+	StereoCompressor level_compressor;
+	float last_gain_staging_db = 0.0f;
 };
 
 extern Mixer *global_mixer;