paex_record_file.c File Reference

Record input into a file, then playback recorded data from file (Windows only at the moment) More...

#include <stdio.h>
#include <stdlib.h>
#include "portaudio.h"
#include "pa_ringbuffer.h"
#include "pa_util.h"

Data Structures
struct	paTestData

Macros
#define	FILE_NAME   "audio_data.raw"
#define	SAMPLE_RATE   (44100)
#define	FRAMES_PER_BUFFER   (512)
#define	NUM_SECONDS   (10)
#define	NUM_CHANNELS   (2)
#define	NUM_WRITES_PER_BUFFER   (4)
#define	DITHER_FLAG   (0)
#define	PA_SAMPLE_TYPE   paFloat32
#define	SAMPLE_SILENCE   (0.0f)
#define	PRINTF_S_FORMAT   "%.8f"

Typedefs
typedef int(*	ThreadFunctionType) (void *)

Functions
int	main (void)

Detailed Description

Record input into a file, then playback recorded data from file (Windows only at the moment)

Author

Robert Bielik

Macro Definition Documentation

DITHER_FLAG

#define DITHER_FLAG   (0)

FILE_NAME

#define FILE_NAME   "audio_data.raw"

Referenced by main().

FRAMES_PER_BUFFER

#define FRAMES_PER_BUFFER   (512)

Referenced by main().

NUM_CHANNELS

#define NUM_CHANNELS   (2)

Referenced by main().

NUM_SECONDS

#define NUM_SECONDS   (10)

Referenced by main().

NUM_WRITES_PER_BUFFER

#define NUM_WRITES_PER_BUFFER   (4)

PA_SAMPLE_TYPE

#define PA_SAMPLE_TYPE   paFloat32

Referenced by main().

PRINTF_S_FORMAT

#define PRINTF_S_FORMAT   "%.8f"

SAMPLE_RATE

#define SAMPLE_RATE   (44100)

Referenced by main().

SAMPLE_SILENCE

#define SAMPLE_SILENCE   (0.0f)

Typedef Documentation

ThreadFunctionType

typedef int(* ThreadFunctionType) (void *)

Function Documentation

main()

int main

(

void

)

References PaStreamParameters::channelCount, PaDeviceInfo::defaultLowInputLatency, PaDeviceInfo::defaultLowOutputLatency, PaStreamParameters::device, paTestData::file, FILE_NAME, paTestData::frameIndex, FRAMES_PER_BUFFER, PaStreamParameters::hostApiSpecificStreamInfo, NUM_CHANNELS, NUM_SECONDS, Pa_CloseStream(), Pa_GetDefaultInputDevice(), Pa_GetDefaultOutputDevice(), Pa_GetDeviceInfo(), Pa_GetErrorText(), Pa_Initialize(), Pa_IsStreamActive(), Pa_OpenStream(), PA_SAMPLE_TYPE, Pa_Sleep(), Pa_StartStream(), Pa_Terminate(), paClipOff, paNoDevice, paNoError, PaUtil_AllocateZeroInitializedMemory(), PaUtil_FreeMemory(), PaUtil_InitializeRingBuffer(), paTestData::ringBuffer, paTestData::ringBufferData, SAMPLE_RATE, PaStreamParameters::sampleFormat, and PaStreamParameters::suggestedLatency.