juce/source/src/audio/audio_sources/juce_ReverbAudioSource.cpp

   1 /*
   2   ==============================================================================
   3
   4    This file is part of the JUCE library - "Jules' Utility Class Extensions"
   5    Copyright 2004-11 by Raw Material Software Ltd.
   6
   7   ------------------------------------------------------------------------------
   8
   9    JUCE can be redistributed and/or modified under the terms of the GNU General
  10    Public License (Version 2), as published by the Free Software Foundation.
  11    A copy of the license is included in the JUCE distribution, or can be found
  12    online at www.gnu.org/licenses.
  13
  14    JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
  15    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  16    A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  17
  18   ------------------------------------------------------------------------------
  19
  20    To release a closed-source product which uses JUCE, commercial licenses are
  21    available: visit www.rawmaterialsoftware.com/juce for more information.
  22
  23   ==============================================================================
  24 */
  25
  26 #include "../../core/juce_StandardHeader.h"
  27
  28 BEGIN_JUCE_NAMESPACE
  29
  30 #include "juce_ReverbAudioSource.h"
  31
  32
  33 //==============================================================================
  34 ReverbAudioSource::ReverbAudioSource (AudioSource* const inputSource, const bool deleteInputWhenDeleted)
  35    : input (inputSource, deleteInputWhenDeleted),
  36      bypass (false)
  37 {
  38     jassert (inputSource != nullptr);
  39 }
  40
  41 ReverbAudioSource::~ReverbAudioSource() {}
  42
  43 void ReverbAudioSource::prepareToPlay (int samplesPerBlockExpected, double sampleRate)
  44 {
  45     const ScopedLock sl (lock);
  46     input->prepareToPlay (samplesPerBlockExpected, sampleRate);
  47     reverb.setSampleRate (sampleRate);
  48 }
  49
  50 void ReverbAudioSource::releaseResources() {}
  51
  52 void ReverbAudioSource::getNextAudioBlock (const AudioSourceChannelInfo& bufferToFill)
  53 {
  54     const ScopedLock sl (lock);
  55
  56     input->getNextAudioBlock (bufferToFill);
  57
  58     if (! bypass)
  59     {
  60         float* const firstChannel = bufferToFill.buffer->getSampleData (0, bufferToFill.startSample);
  61
  62         if (bufferToFill.buffer->getNumChannels() > 1)
  63         {
  64             reverb.processStereo (firstChannel,
  65                                   bufferToFill.buffer->getSampleData (1, bufferToFill.startSample),
  66                                   bufferToFill.numSamples);
  67         }
  68         else
  69         {
  70             reverb.processMono (firstChannel, bufferToFill.numSamples);
  71         }
  72     }
  73 }
  74
  75 void ReverbAudioSource::setParameters (const Reverb::Parameters& newParams)
  76 {
  77     const ScopedLock sl (lock);
  78     reverb.setParameters (newParams);
  79 }
  80
  81 void ReverbAudioSource::setBypassed (bool b) noexcept
  82 {
  83     if (bypass != b)
  84     {
  85         const ScopedLock sl (lock);
  86         bypass = b;
  87         reverb.reset();
  88     }
  89 }
  90
  91
  92 END_JUCE_NAMESPACE