OpenShot Audio Library | OpenShotAudio: juce_AudioSource.h Source File

OpenShot Audio Library | OpenShotAudio 0.3.1

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juce_AudioSource.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
23namespace 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{
111protected:
112 //==============================================================================
114 AudioSource() = default;
115
116public:
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:506
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