OpenShot Audio Library | OpenShotAudio  0.3.0
juce_ReverbAudioSource.cpp
1 /*
2  ==============================================================================
3 
4  This file is part of the JUCE library.
5  Copyright (c) 2017 - ROLI Ltd.
6 
7  JUCE is an open source library subject to commercial or open-source
8  licensing.
9 
10  The code included in this file is provided under the terms of the ISC license
11  http://www.isc.org/downloads/software-support-policy/isc-license. Permission
12  To use, copy, modify, and/or distribute this software for any purpose with or
13  without fee is hereby granted provided that the above copyright notice and
14  this permission notice appear in all copies.
15 
16  JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
17  EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
18  DISCLAIMED.
19 
20  ==============================================================================
21 */
22 
23 namespace juce
24 {
25 
26 ReverbAudioSource::ReverbAudioSource (AudioSource* const inputSource, const bool deleteInputWhenDeleted)
27  : input (inputSource, deleteInputWhenDeleted),
28  bypass (false)
29 {
30  jassert (inputSource != nullptr);
31 }
32 
34 
35 void ReverbAudioSource::prepareToPlay (int samplesPerBlockExpected, double sampleRate)
36 {
37  const ScopedLock sl (lock);
38  input->prepareToPlay (samplesPerBlockExpected, sampleRate);
39  reverb.setSampleRate (sampleRate);
40 }
41 
43 
45 {
46  const ScopedLock sl (lock);
47 
48  input->getNextAudioBlock (bufferToFill);
49 
50  if (! bypass)
51  {
52  float* const firstChannel = bufferToFill.buffer->getWritePointer (0, bufferToFill.startSample);
53 
54  if (bufferToFill.buffer->getNumChannels() > 1)
55  {
56  reverb.processStereo (firstChannel,
57  bufferToFill.buffer->getWritePointer (1, bufferToFill.startSample),
58  bufferToFill.numSamples);
59  }
60  else
61  {
62  reverb.processMono (firstChannel, bufferToFill.numSamples);
63  }
64  }
65 }
66 
68 {
69  const ScopedLock sl (lock);
70  reverb.setParameters (newParams);
71 }
72 
73 void ReverbAudioSource::setBypassed (bool b) noexcept
74 {
75  if (bypass != b)
76  {
77  const ScopedLock sl (lock);
78  bypass = b;
79  reverb.reset();
80  }
81 }
82 
83 } // namespace juce
void processStereo(float *const left, float *const right, const int numSamples) noexcept
void setParameters(const Reverb::Parameters &newParams)
void getNextAudioBlock(const AudioSourceChannelInfo &) override
int getNumChannels() const noexcept
void setSampleRate(const double sampleRate)
AudioBuffer< float > * buffer
void processMono(float *const samples, const int numSamples) noexcept
Type * getWritePointer(int channelNumber) noexcept
void prepareToPlay(int samplesPerBlockExpected, double sampleRate) override
void setParameters(const Parameters &newParams)
ReverbAudioSource(AudioSource *inputSource, bool deleteInputWhenDeleted)