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#ifndef AUDIOGRAPHER_SINK_H
#define AUDIOGRAPHER_SINK_H
#include <boost/shared_ptr.hpp>
#include "process_context.h"
#include "audiographer/visibility.h"
namespace AudioGrapher
{
/** A sink for data
* This is a pure virtual interface for all data sinks in AudioGrapher
*/
template <typename T>
class /*LIBAUDIOGRAPHER_API*/ Sink {
public:
virtual ~Sink () {}
/** Process given data.
* The data can not be modified, so in-place processing is not allowed.
* At least this function must be implemented by deriving classes
*/
virtual void process (ProcessContext<T> const & context) = 0;
/** Process given data
* Data may be modified, so in place processing is allowed.
* The default implementation calls the non-modifying version,
* so this function does not need to be overridden.
* However, if the sink can do in-place processing,
* overriding this is highly recommended.
*
* If this is not overridden adding "using Sink<T>::process;"
* to the deriving class declaration is suggested to avoid
* warnings about hidden virtual functions.
*/
inline virtual void process (ProcessContext<T> & context)
{
this->process (static_cast<ProcessContext<T> const &> (context));
}
};
} // namespace
#endif // AUDIOGRAPHER_SINK_H
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