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#ifndef AUDIOGRAPHER_NORMALIZER_H
#define AUDIOGRAPHER_NORMALIZER_H
#include "audiographer/visibility.h"
#include "audiographer/sink.h"
#include "audiographer/routines.h"
#include "audiographer/utils/listed_source.h"
namespace AudioGrapher
{
/// A class for normalizing to a specified target in dB
class LIBAUDIOGRAPHER_API Normalizer
: public ListedSource<float>
, public Sink<float>
, public Throwing<>
{
public:
/// Constructs a normalizer with a specific target in dB \n RT safe
Normalizer (float target_dB);
~Normalizer();
/// Sets the peak found in the material to be normalized \see PeakReader \n RT safe
float set_peak (float peak);
/** Allocates a buffer for using with const ProcessContexts
* This function does not need to be called if
* non-const ProcessContexts are given to \a process() .
* \n Not RT safe
*/
void alloc_buffer(samplecnt_t samples);
/// Process a const ProcessContext \see alloc_buffer() \n RT safe
void process (ProcessContext<float> const & c);
/// Process a non-const ProcsesContext in-place \n RT safe
void process (ProcessContext<float> & c);
private:
bool enabled;
float target;
float gain;
float * buffer;
samplecnt_t buffer_size;
};
} // namespace
#endif // AUDIOGRAPHER_NORMALIZER_H
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