Entropy Piano Tuner  1.1.3 (documentation not yet complete)
An open-source experimental software for piano tuning by entropy minimization
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recorderlevel.cpp
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1 /*****************************************************************************
2  * Copyright 2015 Haye Hinrichsen, Christoph Wick
3  *
4  * This file is part of Entropy Piano Tuner.
5  *
6  * Entropy Piano Tuner is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by the
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15  *
16  * You should have received a copy of the GNU General Public License along with
17  * Entropy Piano Tuner. If not, see http://www.gnu.org/licenses/.
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19 
20 //=============================================================================
21 // Adapter for displaying the recording level (VU meter)
22 //=============================================================================
23 
24 #include "recorderlevel.h"
25 #include "../messages/messagerecorderenergychanged.h"
26 #include "../audio/recorder/audiorecorderadapter.h"
27 
38 
40 {
41  if (m->getType() == Message::MSG_RECORDER_ENERGY_CHANGED)
42  {
43  auto mrec(std::static_pointer_cast<MessageRecorderEnergyChanged>(m));
44 
45  // If the received message is about a change of the input level, call
46  // the virtual function levelChanged which in turn informs the GUI
47 
48  if (mrec->getLevelType() == MessageRecorderEnergyChanged::LevelType::LEVEL_INPUT)
49  {
50  this->levelChanged(mrec->getLevel());
51  }
52  }
53 }
std::shared_ptr< Message > MessagePtr
Global type of a shared message pointer.
Definition: message.h:98
The input level changed (actual signal)
virtual void handleMessage(MessagePtr m) override
Message handler.
virtual void levelChanged(double value)=0
Change the shown level.
recording input level has changed
Definition: message.h:69