How many sine waves can we calculate and play in less than 80% CPU Load. More...

#include <stdio.h>
#include <math.h>
#include "portaudio.h"

Macros
#define	MAX_SINES (2000)

#define	MAX_USAGE (0.5)

#define	SAMPLE_RATE (44100)

#define	FREQ_TO_PHASE_INC(freq) (freq/(float)SAMPLE_RATE)

#define	MIN_PHASE_INC FREQ_TO_PHASE_INC(200.0f)

#define	MAX_PHASE_INC (MIN_PHASE_INC * (1 << 5))

#define	FRAMES_PER_BUFFER (512)

#define	M_PI (3.14159265)

#define	TWOPI (M_PI * 2.0)

#define	TABLE_SIZE (1024)

Functions
float	LookupSine (paTestData *data, float phase)

int	main (void)

Detailed Description

How many sine waves can we calculate and play in less than 80% CPU Load.

Author: Ross Bencina rossb.nosp@m.@aud.nosp@m.iomul.nosp@m.ch.c.nosp@m.om; Phil Burk philb.nosp@m.urk@.nosp@m.softs.nosp@m.ynth.nosp@m..com

Macro Definition Documentation

#define FRAMES_PER_BUFFER (512)

#define FREQ_TO_PHASE_INC ( freq ) (freq/(float)SAMPLE_RATE)

#define M_PI (3.14159265)

#define MAX_PHASE_INC (MIN_PHASE_INC * (1 << 5))

#define MAX_SINES (2000)

#define MAX_USAGE (0.5)

#define MIN_PHASE_INC FREQ_TO_PHASE_INC(200.0f)

#define SAMPLE_RATE (44100)

#define TABLE_SIZE (1024)

#define TWOPI (M_PI * 2.0)

int main ( void )