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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 5 End-User License
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
27th April 2017).
End User License Agreement: www.juce.com/juce-5-licence
Privacy Policy: www.juce.com/juce-5-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
//==============================================================================
/**
A type of AudioSource that will read from an AudioFormatReader.
@see PositionableAudioSource, AudioTransportSource, BufferingAudioSource
@tags{Audio}
*/
class JUCE_API AudioFormatReaderSource : public PositionableAudioSource
{
public:
//==============================================================================
/** Creates an AudioFormatReaderSource for a given reader.
@param sourceReader the reader to use as the data source - this must
not be null
@param deleteReaderWhenThisIsDeleted if true, the reader passed-in will be deleted
when this object is deleted; if false it will be
left up to the caller to manage its lifetime
*/
AudioFormatReaderSource (AudioFormatReader* sourceReader,
bool deleteReaderWhenThisIsDeleted);
/** Destructor. */
~AudioFormatReaderSource() override;
//==============================================================================
/** Toggles loop-mode.
If set to true, it will continuously loop the input source. If false,
it will just emit silence after the source has finished.
@see isLooping
*/
void setLooping (bool shouldLoop) override;
/** Returns whether loop-mode is turned on or not. */
bool isLooping() const override { return looping; }
/** Returns the reader that's being used. */
AudioFormatReader* getAudioFormatReader() const noexcept { return reader; }
//==============================================================================
/** Implementation of the AudioSource method. */
void prepareToPlay (int samplesPerBlockExpected, double sampleRate) override;
/** Implementation of the AudioSource method. */
void releaseResources() override;
/** Implementation of the AudioSource method. */
void getNextAudioBlock (const AudioSourceChannelInfo&) override;
//==============================================================================
/** Implements the PositionableAudioSource method. */
void setNextReadPosition (int64 newPosition) override;
/** Implements the PositionableAudioSource method. */
int64 getNextReadPosition() const override;
/** Implements the PositionableAudioSource method. */
int64 getTotalLength() const override;
private:
//==============================================================================
OptionalScopedPointer<AudioFormatReader> reader;
int64 nextPlayPos;
bool looping;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AudioFormatReaderSource)
};
} // namespace juce
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