From 4aa5b796ba7186892d14e20226d6cef942d0c60d Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Tue, 15 Apr 2014 13:06:28 +0200
Subject: Added updatePeakDB. Fixed setGainDB (it was reverse).

---
 dgedit/player.cc |  5 +++--
 dgedit/player.h  | 12 ++++++++++++
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/dgedit/player.cc b/dgedit/player.cc
index a7f09c3..cb6b986 100644
--- a/dgedit/player.cc
+++ b/dgedit/player.cc
@@ -88,17 +88,18 @@ void Player::run()
 
 void Player::setGainScalar(double g)
 {
-  gain_scalar = g / 10000.0;
+  gain_scalar = g;
 }
 
 void Player::setGainDB(double gain_db)
 {
-  setGainScalar(20*log10(gain_db));
+  setGainScalar(pow(10, gain_db/ 20.0));
 }
 
 void Player::reportTimeout()
 {
   emit peakUpdate(peak);
+  emit peakUpdateDB(20 * log10(peak));
   peak = 0.0;
 
   emit positionUpdate(pos);
diff --git a/dgedit/player.h b/dgedit/player.h
index af278f5..0289cd5 100644
--- a/dgedit/player.h
+++ b/dgedit/player.h
@@ -63,7 +63,19 @@ public slots:
   void setGainDB(double gain_db);
 
 signals:
+  /**
+   * The absolute maximum of samples seen since last update.
+   */
   void peakUpdate(double peak);
+
+  /**
+   * The absolute maximum of samples seen since last update in dB.
+   */
+  void peakUpdateDB(double peak_db);
+
+  /**
+   * The sample position of the player.
+   */
   void positionUpdate(size_t position);
 
 private slots:
-- 
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