OpenShot Audio Library | OpenShotAudio 0.4.0

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juce_AudioSource.h
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2022 - Raw Material Software Limited
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//==============================================================================
32 struct JUCE_API AudioSourceChannelInfo
33{
35 AudioSourceChannelInfo() = default;
36
38 AudioSourceChannelInfo (AudioBuffer<float>* bufferToUse,
39 int startSampleOffset, int numSamplesToUse) noexcept
40 : buffer (bufferToUse),
41 startSample (startSampleOffset),
42 numSamples (numSamplesToUse)
43 {
44 }
45
50 explicit AudioSourceChannelInfo (AudioBuffer<float>& bufferToUse) noexcept
51 : buffer (&bufferToUse),
52 startSample (0),
53 numSamples (bufferToUse.getNumSamples())
54 {
55 }
56
73 AudioBuffer<float>* buffer;
74
77 int startSample;
78
81 int numSamples;
82
84 void clearActiveBufferRegion() const
85 {
86 if (buffer != nullptr)
87 buffer->clear (startSample, numSamples);
88 }
89};
90
91
92//==============================================================================
109 class JUCE_API AudioSource
110{
111 protected:
112 //==============================================================================
114 AudioSource() = default;
115
116 public:
118 virtual ~AudioSource() = default;
119
120 //==============================================================================
147 virtual void prepareToPlay (int samplesPerBlockExpected,
148 double sampleRate) = 0;
149
162 virtual void releaseResources() = 0;
163
176 virtual void getNextAudioBlock (const AudioSourceChannelInfo& bufferToFill) = 0;
177};
178
179} // namespace juce
juce::AudioBuffer
Definition juce_AudioSampleBuffer.h:34
juce::AudioBuffer::clear
void clear() noexcept
Definition juce_AudioSampleBuffer.h:556
juce::AudioSource
Definition juce_AudioSource.h:110
juce::AudioSource::releaseResources
virtual void releaseResources()=0
juce::AudioSource::AudioSource
AudioSource()=default
juce::AudioSource::prepareToPlay
virtual void prepareToPlay(int samplesPerBlockExpected, double sampleRate)=0
juce::AudioSource::~AudioSource
virtual ~AudioSource()=default
juce::AudioSource::getNextAudioBlock
virtual void getNextAudioBlock(const AudioSourceChannelInfo &bufferToFill)=0
juce::AudioSourceChannelInfo
Definition juce_AudioSource.h:33
juce::AudioSourceChannelInfo::AudioSourceChannelInfo
AudioSourceChannelInfo(AudioBuffer< float > *bufferToUse, int startSampleOffset, int numSamplesToUse) noexcept
Definition juce_AudioSource.h:38
juce::AudioSourceChannelInfo::numSamples
int numSamples
Definition juce_AudioSource.h:81
juce::AudioSourceChannelInfo::clearActiveBufferRegion
void clearActiveBufferRegion() const
Definition juce_AudioSource.h:84
juce::AudioSourceChannelInfo::buffer
AudioBuffer< float > * buffer
Definition juce_AudioSource.h:73
juce::AudioSourceChannelInfo::AudioSourceChannelInfo
AudioSourceChannelInfo(AudioBuffer< float > &bufferToUse) noexcept
Definition juce_AudioSource.h:50
juce::AudioSourceChannelInfo::AudioSourceChannelInfo
AudioSourceChannelInfo()=default
juce::AudioSourceChannelInfo::startSample
int startSample
Definition juce_AudioSource.h:77