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https://github.com/ekeeke/Genesis-Plus-GX.git
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31 lines
1010 B
C
31 lines
1010 B
C
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/* Finite impulse response (FIR) resampler with adjustable FIR size */
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/* Game_Music_Emu 0.5.2 */
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#ifndef FIR_RESAMPLER_H
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#define FIR_RESAMPLER_H
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#define STEREO 2
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#define MAX_RES 32
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#define WIDTH 16
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#define WRITE_OFFSET (WIDTH * STEREO) - STEREO
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#define ROLLOFF 0.999
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#define GAIN 1.0
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typedef short sample_t;
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extern int Fir_Resampler_initialize( int new_size );
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extern void Fir_Resampler_shutdown( void );
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extern void Fir_Resampler_clear( void );
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extern double Fir_Resampler_time_ratio( double new_factor );
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extern double Fir_Resampler_ratio( void );
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extern int Fir_Resampler_max_write( void );
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extern sample_t* Fir_Resampler_buffer( void );
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extern int Fir_Resampler_written( void );
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extern int Fir_Resampler_avail( void );
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extern void Fir_Resampler_write( long count );
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extern int Fir_Resampler_read( sample_t** out, unsigned long count );
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extern int Fir_Resampler_input_needed( unsigned long output_count );
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extern int Fir_Resampler_skip_input( long count );
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#endif
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