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#ifndef INCLUDED_PORTAUDIO_CALLBACKSTREAM_HXX
#define INCLUDED_PORTAUDIO_CALLBACKSTREAM_HXX

// ---------------------------------------------------------------------------------------

#include "portaudio.h"

#include "portaudiocpp/Stream.hxx"

// ---------------------------------------------------------------------------------------

// Declaration(s):
namespace portaudio
{


    //////
    /// @brief Base class for all Streams which use a callback-based mechanism.
    //////
    class CallbackStream : public Stream
    {
    protected:
        CallbackStream();
        virtual ~CallbackStream();

    public:
        // stream info (time-varying)
        double cpuLoad() const;

    private:
        CallbackStream(const CallbackStream &); // non-copyable
        CallbackStream &operator=(const CallbackStream &); // non-copyable
    };


} // namespace portaudio

// ---------------------------------------------------------------------------------------

#endif // INCLUDED_PORTAUDIO_CALLBACKSTREAM_HXX