patest_converters.c File Reference

Tests the converter functions in pa_converters.c. More...

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "portaudio.h"
#include "pa_converters.h"
#include "pa_dither.h"
#include "pa_types.h"
#include "pa_endianness.h"

Macros
#define	M_PI   (3.14159265)
#define	MAX_PER_CHANNEL_FRAME_COUNT   (2048)
#define	MAX_CHANNEL_COUNT   (8)
#define	SAMPLE_FORMAT_COUNT   (6)
#define	FLAG_COMBINATION_COUNT   (4)

Functions
PaError	My_Pa_GetSampleSize (PaSampleFormat format)
int	TestNonZeroPresent (void *buffer, int size)
float	MaximumAbsDifference (float *sourceBuffer, float *referenceBuffer, int count)
int	main (const char **argv, int argc)

Detailed Description

Tests the converter functions in pa_converters.c.

@author Ross Bencina <rossb@audiomulch.com>

Link with pa_dither.c and pa_converters.c

see http://www.portaudio.com/trac/wiki/V19ConvertersStatus for a discussion of this.

Macro Definition Documentation

#define FLAG_COMBINATION_COUNT   (4)

Referenced by main().

#define M_PI   (3.14159265)

#define MAX_CHANNEL_COUNT   (8)

Referenced by main().

#define MAX_PER_CHANNEL_FRAME_COUNT   (2048)

Referenced by main().

#define SAMPLE_FORMAT_COUNT   (6)

Referenced by main().

Function Documentation

int main	(	const char **	argv,
		int	argc
	)

References FLAG_COMBINATION_COUNT, MAX_CHANNEL_COUNT, MAX_PER_CHANNEL_FRAME_COUNT, MaximumAbsDifference(), My_Pa_GetSampleSize(), paClipOff, paDitherOff, paFloat32, paNoFlag, PaUtil_InitializeTriangularDitherState(), PaUtil_SelectConverter(), SAMPLE_FORMAT_COUNT, and TestNonZeroPresent().

float MaximumAbsDifference	(	float *	sourceBuffer,
		float *	referenceBuffer,
		int	count
	)

Referenced by main().

PaError My_Pa_GetSampleSize

(

PaSampleFormat

format

)

References paFloat32, paInt16, paInt24, paInt32, paInt8, paNonInterleaved, paSampleFormatNotSupported, and paUInt8.

Referenced by main().

int TestNonZeroPresent	(	void *	buffer,
		int	size
	)

Referenced by main().