patest_sine_channelmaps.c File Reference

Plays sine waves using sme simple channel maps. Designed for use with CoreAudio, but should made to work with other APIs. More...

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

Data Structures
struct	paTestData

Macros
#define	NUM_SECONDS   (5)
#define	SAMPLE_RATE   (44100)
#define	FRAMES_PER_BUFFER   (64)
#define	M_PI   (3.14159265)
#define	TABLE_SIZE   (200)

Functions
int	main (void)

Detailed Description

Plays sine waves using sme simple channel maps. Designed for use with CoreAudio, but should made to work with other APIs.

Author

Bjorn Roche bjorn.nosp@m.@xow.nosp@m.ave.c.nosp@m.om

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)

Referenced by main().

NUM_SECONDS

#define NUM_SECONDS   (5)

Referenced by main().

SAMPLE_RATE

#define SAMPLE_RATE   (44100)

Referenced by main().

TABLE_SIZE

#define TABLE_SIZE   (200)

Referenced by main().

Function Documentation

main()

int main

(

void

)

setup host specific info

References PaStreamParameters::channelCount, PaDeviceInfo::defaultLowOutputLatency, PaStreamParameters::device, FRAMES_PER_BUFFER, PaStreamParameters::hostApiSpecificStreamInfo, paTestData::left_phase, M_PI, NUM_SECONDS, Pa_CloseStream(), Pa_GetDefaultOutputDevice(), Pa_GetDeviceInfo(), Pa_GetErrorText(), Pa_Initialize(), Pa_OpenStream(), Pa_Sleep(), Pa_StartStream(), Pa_StopStream(), Pa_Terminate(), paClipOff, paFloat32, PaMacCore_GetChannelName(), PaMacCore_SetupChannelMap(), PaMacCore_SetupStreamInfo(), paMacCorePlayNice, paNoDevice, paNoError, paTestData::right_phase, SAMPLE_RATE, PaStreamParameters::sampleFormat, paTestData::sine, PaStreamParameters::suggestedLatency, and TABLE_SIZE.