patest_buffer.c File Reference

Test opening streams with different buffer sizes. More...

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

Data Structures
struct	paTestData

Macros
#define	NUM_SECONDS   (3)
#define	SAMPLE_RATE   (44100)
#define	M_PI   (3.14159265)
#define	TABLE_SIZE   (200)
#define	BUFFER_TABLE   14

Functions
PaError	TestOnce (int buffersize, PaDeviceIndex)
int	main (int argc, char **args)

Variables
long	buffer_table [] = {paFramesPerBufferUnspecified,16,32,64,128,200,256,500,512,600,723,1000,1024,2345}

Detailed Description

Test opening streams with different buffer sizes.

Author

Phil Burk http://www.softsynth.com

Macro Definition Documentation

BUFFER_TABLE

#define BUFFER_TABLE   14

Referenced by main().

M_PI

#define M_PI   (3.14159265)

Referenced by TestOnce().

NUM_SECONDS

#define NUM_SECONDS   (3)

Referenced by TestOnce().

SAMPLE_RATE

#define SAMPLE_RATE   (44100)

Referenced by TestOnce().

TABLE_SIZE

#define TABLE_SIZE   (200)

Referenced by TestOnce().

Function Documentation

main()

int main	(	int	argc,
		char **	args )

References BUFFER_TABLE, buffer_table, and TestOnce().

TestOnce()

PaError TestOnce	(	int	buffersize,
		PaDeviceIndex	device )

References PaStreamParameters::channelCount, PaDeviceInfo::defaultLowOutputLatency, PaStreamParameters::device, PaStreamParameters::hostApiSpecificStreamInfo, paTestData::left_phase, M_PI, NUM_SECONDS, Pa_CloseStream(), Pa_GetDefaultOutputDevice(), Pa_GetDeviceInfo(), Pa_GetErrorText(), Pa_GetLastHostErrorInfo(), Pa_Initialize(), Pa_OpenStream(), Pa_Sleep(), Pa_StartStream(), Pa_Terminate(), paClipOff, paDitherOff, paInt16, paNoDevice, paNoError, paTestData::right_phase, SAMPLE_RATE, PaStreamParameters::sampleFormat, paTestData::sampsToGo, paTestData::sine, PaStreamParameters::suggestedLatency, and TABLE_SIZE.

Variable Documentation

buffer_table

long buffer_table[] = {paFramesPerBufferUnspecified,16,32,64,128,200,256,500,512,600,723,1000,1024,2345}

Referenced by main().