patest_multi_sine.c File Reference

Play a different sine wave on each channel. More...

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

Data Structures
struct	paTestData

Macros
#define	SAMPLE_RATE   (44100)
#define	FRAMES_PER_BUFFER   (128)
#define	FREQ_INCR   (300.0 / SAMPLE_RATE)
#define	MAX_CHANNELS   (64)
#define	M_PI   (3.14159265)

Functions
int	test (short interleaved)
int	main (void)

Detailed Description

Play a different sine wave on each channel.

Author

Phil Burk http://www.softsynth.com

Macro Definition Documentation

#define FRAMES_PER_BUFFER   (128)

Referenced by test().

#define FREQ_INCR   (300.0 / SAMPLE_RATE)

#define M_PI   (3.14159265)

#define MAX_CHANNELS   (64)

Referenced by test().

#define SAMPLE_RATE   (44100)

Referenced by test().

Function Documentation

int main

(

void

)

References Pa_GetErrorText(), Pa_Initialize(), Pa_Terminate(), paNoError, and test().

int test

(

short

interleaved

)

References PaStreamParameters::channelCount, PaDeviceInfo::defaultLowOutputLatency, PaStreamParameters::device, FRAMES_PER_BUFFER, PaStreamParameters::hostApiSpecificStreamInfo, paTestData::interleaved, MAX_CHANNELS, PaDeviceInfo::maxOutputChannels, paTestData::numChannels, Pa_CloseStream(), Pa_GetDefaultOutputDevice(), Pa_GetDeviceInfo(), Pa_OpenStream(), Pa_StartStream(), Pa_StopStream(), paClipOff, paFloat32, paInvalidDevice, paNoDevice, paNoError, paNonInterleaved, paTestData::phases, SAMPLE_RATE, PaStreamParameters::sampleFormat, and PaStreamParameters::suggestedLatency.

Referenced by main(), PaQa_RunInputOnly(), PaQa_RunLoopbackFullDuplex(), and PaQa_RunLoopbackHalfDuplex().