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88 lines
3.3 KiB
C++
88 lines
3.3 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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//==============================================================================
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/**
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A type of AudioSource which can be repositioned.
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The basic AudioSource just streams continuously with no idea of a current
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time or length, so the PositionableAudioSource is used for a finite stream
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that has a current read position.
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@see AudioSource, AudioTransportSource
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@tags{Audio}
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*/
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class JUCE_API PositionableAudioSource : public AudioSource
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{
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protected:
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//==============================================================================
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/** Creates the PositionableAudioSource. */
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PositionableAudioSource() = default;
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public:
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/** Destructor */
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~PositionableAudioSource() override = default;
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//==============================================================================
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/** Tells the stream to move to a new position.
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Calling this indicates that the next call to AudioSource::getNextAudioBlock()
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should return samples from this position.
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Note that this may be called on a different thread to getNextAudioBlock(),
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so the subclass should make sure it's synchronised.
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*/
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virtual void setNextReadPosition (int64 newPosition) = 0;
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/** Returns the position from which the next block will be returned.
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@see setNextReadPosition
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*/
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virtual int64 getNextReadPosition() const = 0;
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/** Returns the total length of the stream (in samples). */
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virtual int64 getTotalLength() const = 0;
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/** Returns true if this source is actually playing in a loop. */
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virtual bool isLooping() const = 0;
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/** Tells the source whether you'd like it to play in a loop. */
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virtual void setLooping (bool shouldLoop);
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};
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} // namespace juce
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