OpenShot Audio Library | OpenShotAudio  0.3.1
juce_ChannelRemappingAudioSource.h
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 //==============================================================================
44 {
45 public:
46  //==============================================================================
56  bool deleteSourceWhenDeleted);
57 
60 
61  //==============================================================================
65  void setNumberOfChannelsToProduce (int requiredNumberOfChannels);
66 
72  void clearAllMappings();
73 
84  void setInputChannelMapping (int destChannelIndex,
85  int sourceChannelIndex);
86 
97  void setOutputChannelMapping (int sourceChannelIndex,
98  int destChannelIndex);
99 
103  int getRemappedInputChannel (int inputChannelIndex) const;
104 
108  int getRemappedOutputChannel (int outputChannelIndex) const;
109 
110 
111  //==============================================================================
115  std::unique_ptr<XmlElement> createXml() const;
116 
120  void restoreFromXml (const XmlElement&);
121 
122  //==============================================================================
123  void prepareToPlay (int samplesPerBlockExpected, double sampleRate) override;
124  void releaseResources() override;
125  void getNextAudioBlock (const AudioSourceChannelInfo&) override;
126 
127 
128 private:
129  //==============================================================================
131  Array<int> remappedInputs, remappedOutputs;
132  int requiredNumberOfChannels;
133 
134  AudioBuffer<float> buffer;
135  AudioSourceChannelInfo remappedInfo;
136  CriticalSection lock;
137 
138  JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ChannelRemappingAudioSource)
139 };
140 
141 } // namespace juce
void setInputChannelMapping(int destChannelIndex, int sourceChannelIndex)
int getRemappedOutputChannel(int outputChannelIndex) const
ChannelRemappingAudioSource(AudioSource *source, bool deleteSourceWhenDeleted)
void setNumberOfChannelsToProduce(int requiredNumberOfChannels)
int getRemappedInputChannel(int inputChannelIndex) const
void getNextAudioBlock(const AudioSourceChannelInfo &) override
void setOutputChannelMapping(int sourceChannelIndex, int destChannelIndex)
std::unique_ptr< XmlElement > createXml() const
void prepareToPlay(int samplesPerBlockExpected, double sampleRate) override