Make some common decibel macros.

[nageru] / audio_mixer.h

diff --git a/audio_mixer.h b/audio_mixer.h
index ef49120dc2b2047b99ed7ff045ec17ad226a137f..f0336d29d57368ae3dbbe247594c24b8817b4b24 100644 (file)
--- a/audio_mixer.h
+++ b/audio_mixer.h
@@ -19,6 +19,7 @@
 #include <vector>
 
 #include "bmusb/bmusb.h"
+#include "db.h"
 #include "defs.h"
 #include "filter.h"
 #include "resampling_queue.h"
@@ -125,13 +126,13 @@ public:
        {
                std::unique_lock<std::mutex> lock(compressor_mutex);
                final_makeup_gain_auto = false;
-               final_makeup_gain = pow(10.0f, gain_db / 20.0f);
+               final_makeup_gain = from_db(gain_db);
        }
 
        float get_final_makeup_gain_db()
        {
                std::unique_lock<std::mutex> lock(compressor_mutex);
-               return 20.0 * log10(final_makeup_gain);
+               return to_db(final_makeup_gain);
        }
 
        void set_final_makeup_gain_auto(bool enabled)