Audio plugin host https://kx.studio/carla
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

77 lines
2.7KB

  1. /*
  2. ==============================================================================
  3. This file is part of the JUCE library.
  4. Copyright (c) 2022 - Raw Material Software Limited
  5. JUCE is an open source library subject to commercial or open-source
  6. licensing.
  7. The code included in this file is provided under the terms of the ISC license
  8. http://www.isc.org/downloads/software-support-policy/isc-license. Permission
  9. To use, copy, modify, and/or distribute this software for any purpose with or
  10. without fee is hereby granted provided that the above copyright notice and
  11. this permission notice appear in all copies.
  12. JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
  13. EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
  14. DISCLAIMED.
  15. ==============================================================================
  16. */
  17. namespace juce
  18. {
  19. //==============================================================================
  20. /**
  21. A type of AudioSource which can be repositioned.
  22. The basic AudioSource just streams continuously with no idea of a current
  23. time or length, so the PositionableAudioSource is used for a finite stream
  24. that has a current read position.
  25. @see AudioSource, AudioTransportSource
  26. @tags{Audio}
  27. */
  28. class JUCE_API PositionableAudioSource : public AudioSource
  29. {
  30. protected:
  31. //==============================================================================
  32. /** Creates the PositionableAudioSource. */
  33. PositionableAudioSource() = default;
  34. public:
  35. /** Destructor */
  36. ~PositionableAudioSource() override = default;
  37. //==============================================================================
  38. /** Tells the stream to move to a new position.
  39. Calling this indicates that the next call to AudioSource::getNextAudioBlock()
  40. should return samples from this position.
  41. Note that this may be called on a different thread to getNextAudioBlock(),
  42. so the subclass should make sure it's synchronised.
  43. */
  44. virtual void setNextReadPosition (int64 newPosition) = 0;
  45. /** Returns the position from which the next block will be returned.
  46. @see setNextReadPosition
  47. */
  48. virtual int64 getNextReadPosition() const = 0;
  49. /** Returns the total length of the stream (in samples). */
  50. virtual int64 getTotalLength() const = 0;
  51. /** Returns true if this source is actually playing in a loop. */
  52. virtual bool isLooping() const = 0;
  53. /** Tells the source whether you'd like it to play in a loop. */
  54. virtual void setLooping (bool shouldLoop) { ignoreUnused (shouldLoop); }
  55. };
  56. } // namespace juce