// Effects_Buffer with non-linear sound

// Nes_Emu 0.7.0

#ifndef NES_EFFECTS_BUFFER_H
#define NES_EFFECTS_BUFFER_H

#include "Nes_Buffer.h"
#include "Effects_Buffer.h"

// Effects_Buffer uses several buffers and outputs stereo sample pairs.
class Nes_Effects_Buffer : public Effects_Buffer {
public:
	Nes_Effects_Buffer();
	~Nes_Effects_Buffer();
	
	// Setup APU for use with buffer, including setting its output to this buffer.
	// If you're using Nes_Emu, this is automatically called for you.
	void set_apu( Nes_Apu* apu ) { nonlin.set_apu( apu ); }
	
	// Enable/disable non-linear output
	void enable_nonlinearity( bool = true );
	
	// See Effects_Buffer.h for reference
	const char *set_sample_rate( long rate, int msec = blip_default_length );
	void config( const config_t& );
	void clear();
	channel_t channel( int );
	long read_samples( blip_sample_t*, long );

	void SaveAudioBufferState();
	void RestoreAudioBufferState();
	
private:
	Nes_Nonlinearizer nonlin;
	friend Multi_Buffer* set_apu( Nes_Effects_Buffer*, Nes_Apu* );
};

#endif