patest_sine_time.c File Reference

Play a sine wave for several seconds, pausing in the middle. Uses the Pa_GetStreamTime() call. More...

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

Data Structures
struct	paTestData

Macros
#define	NUM_SECONDS   (8.0)
#define	NUM_LOOPS   (2)
#define	SAMPLE_RATE   (44100)
#define	FRAMES_PER_BUFFER   (64)
#define	M_PI   (3.14159265)
#define	TWOPI   (M_PI * 2.0)
#define	TABLE_SIZE   (200)

Functions
int	main (void)

Detailed Description

Play a sine wave for several seconds, pausing in the middle. Uses the Pa_GetStreamTime() call.

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

FRAMES_PER_BUFFER

#define FRAMES_PER_BUFFER   (64)

Referenced by main().

M_PI

#define M_PI   (3.14159265)

NUM_LOOPS

#define NUM_LOOPS   (2)

Referenced by main().

NUM_SECONDS

#define NUM_SECONDS   (8.0)

Referenced by main().

SAMPLE_RATE

#define SAMPLE_RATE   (44100)

Referenced by main().

TABLE_SIZE

#define TABLE_SIZE   (200)

TWOPI

#define TWOPI   (M_PI * 2.0)

Function Documentation

main()

int main

(

void

)

References PaStreamParameters::channelCount, PaDeviceInfo::defaultLowOutputLatency, PaStreamParameters::device, paTestData::frameCount, FRAMES_PER_BUFFER, PaStreamParameters::hostApiSpecificStreamInfo, NUM_LOOPS, NUM_SECONDS, paTestData::outTime, Pa_CloseStream(), Pa_GetDefaultOutputDevice(), Pa_GetDeviceInfo(), Pa_GetErrorText(), Pa_GetStreamTime(), Pa_Initialize(), Pa_OpenStream(), Pa_Sleep(), Pa_StartStream(), Pa_StopStream(), Pa_Terminate(), paClipOff, paFloat32, paNoDevice, paNoError, paTimedOut, SAMPLE_RATE, PaStreamParameters::sampleFormat, and PaStreamParameters::suggestedLatency.