Make audio bus channels' peak volume consistent

Channels that are inactive -or when playback has not started yet- will report -200 dB as their peak value (which is also the lowest value possible during playback).

1 files changed, 3 insertions, 0 deletions

diff --git a/core/math/audio_frame.h b/core/math/audio_frame.h
index 5773da9211..a5616b8d79 100644
--- a/core/math/audio_frame.h
+++ b/core/math/audio_frame.h
@@ -47,6 +47,9 @@ static inline float undenormalise(volatile float f) {
 	return (v.i & 0x7f800000) < 0x08000000 ? 0.0f : f;
 }
 
+static const float AUDIO_PEAK_OFFSET = 0.0000000001f;
+static const float AUDIO_MIN_PEAK_DB = -200.0f; // linear2db(AUDIO_PEAK_OFFSET)
+
 struct AudioFrame {
 	//left and right samples
 	float l, r;