#include "sonic.h"
#include <limits.h>
#include <math.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "FreeRTOS.h"
#include "romlib_runtime.h"

结构体
struct	sonicStreamStruct

宏定义
#define	malloc pvPortMalloc

#define	calloc pvPortCalloc

#define	realloc pvPortRealloc

#define	free vPortFree

#define	SINC_FILTER_POINTS 12 /* I am not able to hear improvement with higher N. */

#define	SINC_TABLE_SIZE 601

函数
void *	pvPortCalloc (size_t nmemb, size_t size)

void *	pvPortMalloc (size_t xWantedSize)

void *	pvPortRealloc (void *pv, size_t size)

void	vPortFree (void *pv)

static void	scaleSamples (short *samples, int numSamples, float volume)

float	sonicGetSpeed (sonicStream stream)

void	sonicSetSpeed (sonicStream stream, float speed)

float	sonicGetPitch (sonicStream stream)

void	sonicSetPitch (sonicStream stream, float pitch)

float	sonicGetRate (sonicStream stream)

void	sonicSetRate (sonicStream stream, float rate)

int	sonicGetChordPitch (sonicStream stream)

void	sonicSetChordPitch (sonicStream stream, int useChordPitch)

int	sonicGetQuality (sonicStream stream)

void	sonicSetQuality (sonicStream stream, int quality)

float	sonicGetVolume (sonicStream stream)

void	sonicSetVolume (sonicStream stream, float volume)

static void	freeStreamBuffers (sonicStream stream)

void	sonicDestroyStream (sonicStream stream)

static int	allocateStreamBuffers (sonicStream stream, int sampleRate, int numChannels)

sonicStream	sonicCreateStream (int sampleRate, int numChannels)

int	sonicGetSampleRate (sonicStream stream)

int	sonicSetSampleRate (sonicStream stream, int sampleRate)

int	sonicGetNumChannels (sonicStream stream)

int	sonicSetNumChannels (sonicStream stream, int numChannels)

void	sonicCleanStream (sonicStream stream)

static int	enlargeOutputBufferIfNeeded (sonicStream stream, int numSamples)

static int	enlargeInputBufferIfNeeded (sonicStream stream, int numSamples)

static int	addFloatSamplesToInputBuffer (sonicStream stream, float *samples, int numSamples)

static int	addShortSamplesToInputBuffer (sonicStream stream, short *samples, int numSamples)

static int	addUnsignedCharSamplesToInputBuffer (sonicStream stream, unsigned char *samples, int numSamples)

static void	removeInputSamples (sonicStream stream, int position)

static int	copyToOutput (sonicStream stream, short *samples, int numSamples)

static int	copyInputToOutput (sonicStream stream, int position)

int	sonicReadFloatFromStream (sonicStream stream, float *samples, int maxSamples)

int	sonicReadShortFromStream (sonicStream stream, short *samples, int maxSamples)

int	sonicReadUnsignedCharFromStream (sonicStream stream, unsigned char *samples, int maxSamples)

int	sonicFlushStream (sonicStream stream)

int	sonicSamplesAvailable (sonicStream stream)

static void	downSampleInput (sonicStream stream, short *samples, int skip)

static int	findPitchPeriodInRange (short samples, int minPeriod, int maxPeriod, int retMinDiff, int *retMaxDiff)

static int	prevPeriodBetter (sonicStream stream, int period, int minDiff, int maxDiff, int preferNewPeriod)

static int	findPitchPeriod (sonicStream stream, short *samples, int preferNewPeriod)

static void	overlapAdd (int numSamples, int numChannels, short out, short rampDown, short *rampUp)

static void	overlapAddWithSeparation (int numSamples, int numChannels, int separation, short out, short rampDown, short *rampUp)

static int	moveNewSamplesToPitchBuffer (sonicStream stream, int originalNumOutputSamples)

static void	removePitchSamples (sonicStream stream, int numSamples)

static int	adjustPitch (sonicStream stream, int originalNumOutputSamples)

static int	findSincCoefficient (int i, int ratio, int width)

static int	getSign (int value)

static short	interpolate (sonicStream stream, short *in, int oldSampleRate, int newSampleRate)

static int	adjustRate (sonicStream stream, float rate, int originalNumOutputSamples)

static int	skipPitchPeriod (sonicStream stream, short *samples, float speed, int period)

static int	insertPitchPeriod (sonicStream stream, short *samples, float speed, int period)

static int	changeSpeed (sonicStream stream, float speed)

static int	processStreamInput (sonicStream stream)

int	sonicWriteFloatToStream (sonicStream stream, float *samples, int numSamples)

int	sonicWriteShortToStream (sonicStream stream, short *samples, int numSamples)

int	sonicWriteUnsignedCharToStream (sonicStream stream, unsigned char *samples, int numSamples)

int	sonicChangeFloatSpeed (float *samples, int numSamples, float speed, float pitch, float rate, float volume, int useChordPitch, int sampleRate, int numChannels)

int	sonicChangeShortSpeed (short *samples, int numSamples, float speed, float pitch, float rate, float volume, int useChordPitch, int sampleRate, int numChannels)

变量
static short	sincTable [601]

结构体说明

◆ sonicStreamStruct

struct sonicStreamStruct

成员变量
float	avePower
short *	downSampleBuffer
short *	inputBuffer
int	inputBufferSize
int	maxPeriod
int	maxRequired
int	minPeriod
int	newRatePosition
int	numChannels
int	numInputSamples
int	numOutputSamples
int	numPitchSamples
int	oldRatePosition
short *	outputBuffer
int	outputBufferSize
float	pitch
short *	pitchBuffer
int	pitchBufferSize
int	prevMinDiff
int	prevPeriod
int	quality
float	rate
int	remainingInputToCopy
int	sampleRate
float	speed
int	useChordPitch
float	volume

宏定义说明

◆ calloc

#define calloc pvPortCalloc

◆ free

#define free vPortFree

◆ malloc

#define malloc pvPortMalloc

◆ realloc

#define realloc pvPortRealloc

◆ SINC_FILTER_POINTS

#define SINC_FILTER_POINTS 12 /* I am not able to hear improvement with higher N. */

◆ SINC_TABLE_SIZE

#define SINC_TABLE_SIZE 601

函数说明

◆ addFloatSamplesToInputBuffer()

static int addFloatSamplesToInputBuffer	(	sonicStream	stream,
		float *	samples,
		int	numSamples
	)

static

◆ addShortSamplesToInputBuffer()

static int addShortSamplesToInputBuffer	(	sonicStream	stream,
		short *	samples,
		int	numSamples
	)

static

◆ addUnsignedCharSamplesToInputBuffer()

static int addUnsignedCharSamplesToInputBuffer	(	sonicStream	stream,
		unsigned char *	samples,
		int	numSamples
	)

static

◆ adjustPitch()

static int adjustPitch	(	sonicStream	stream,
		int	originalNumOutputSamples
	)

static

◆ adjustRate()

static int adjustRate	(	sonicStream	stream,
		float	rate,
		int	originalNumOutputSamples
	)

static

◆ allocateStreamBuffers()

static int allocateStreamBuffers	(	sonicStream	stream,
		int	sampleRate,
		int	numChannels
	)

static

◆ changeSpeed()

static int changeSpeed	(	sonicStream	stream,
		float	speed
	)

static

◆ copyInputToOutput()

static int copyInputToOutput	(	sonicStream	stream,
		int	position
	)

static

◆ copyToOutput()

static int copyToOutput	(	sonicStream	stream,
		short *	samples,
		int	numSamples
	)

static

◆ downSampleInput()

static void downSampleInput	(	sonicStream	stream,
		short *	samples,
		int	skip
	)

static

◆ enlargeInputBufferIfNeeded()

static int enlargeInputBufferIfNeeded	(	sonicStream	stream,
		int	numSamples
	)

static

◆ enlargeOutputBufferIfNeeded()

static int enlargeOutputBufferIfNeeded	(	sonicStream	stream,
		int	numSamples
	)

static

◆ findPitchPeriod()

static int findPitchPeriod	(	sonicStream	stream,
		short *	samples,
		int	preferNewPeriod
	)

static

◆ findPitchPeriodInRange()

static int findPitchPeriodInRange	(	short *	samples,
		int	minPeriod,
		int	maxPeriod,
		int *	retMinDiff,
		int *	retMaxDiff
	)

static

◆ findSincCoefficient()

static int findSincCoefficient	(	int	i,
		int	ratio,
		int	width
	)

static

◆ freeStreamBuffers()

static void freeStreamBuffers ( sonicStream stream )

static

◆ getSign()

static int getSign ( int value )

static

◆ insertPitchPeriod()

static int insertPitchPeriod	(	sonicStream	stream,
		short *	samples,
		float	speed,
		int	period
	)

static

◆ interpolate()

static short interpolate	(	sonicStream	stream,
		short *	in,
		int	oldSampleRate,
		int	newSampleRate
	)

static

◆ moveNewSamplesToPitchBuffer()

static int moveNewSamplesToPitchBuffer	(	sonicStream	stream,
		int	originalNumOutputSamples
	)

static

◆ overlapAdd()

static void overlapAdd	(	int	numSamples,
		int	numChannels,
		short *	out,
		short *	rampDown,
		short *	rampUp
	)

static

◆ overlapAddWithSeparation()

static void overlapAddWithSeparation	(	int	numSamples,
		int	numChannels,
		int	separation,
		short *	out,
		short *	rampDown,
		short *	rampUp
	)

static

◆ prevPeriodBetter()

static int prevPeriodBetter	(	sonicStream	stream,
		int	period,
		int	minDiff,
		int	maxDiff,
		int	preferNewPeriod
	)

static

◆ processStreamInput()

static int processStreamInput ( sonicStream stream )

static

◆ pvPortCalloc()

void* pvPortCalloc	(	size_t	nmemb,
		size_t	size
	)

◆ pvPortMalloc()

void* pvPortMalloc ( size_t xWantedSize )

◆ pvPortRealloc()

void* pvPortRealloc	(	void *	pv,
		size_t	size
	)

◆ removeInputSamples()

static void removeInputSamples	(	sonicStream	stream,
		int	position
	)

static

◆ removePitchSamples()

static void removePitchSamples	(	sonicStream	stream,
		int	numSamples
	)

static

◆ scaleSamples()

static void scaleSamples	(	short *	samples,
		int	numSamples,
		float	volume
	)

static

◆ skipPitchPeriod()

static int skipPitchPeriod	(	sonicStream	stream,
		short *	samples,
		float	speed,
		int	period
	)

static

◆ sonicChangeFloatSpeed()

int sonicChangeFloatSpeed	(	float *	samples,
		int	numSamples,
		float	speed,
		float	pitch,
		float	rate,
		float	volume,
		int	useChordPitch,
		int	sampleRate,
		int	numChannels
	)

◆ sonicChangeShortSpeed()

int sonicChangeShortSpeed	(	short *	samples,
		int	numSamples,
		float	speed,
		float	pitch,
		float	rate,
		float	volume,
		int	useChordPitch,
		int	sampleRate,
		int	numChannels
	)

◆ sonicCleanStream()

void sonicCleanStream ( sonicStream stream )

◆ sonicCreateStream()

sonicStream sonicCreateStream	(	int	sampleRate,
		int	numChannels
	)

◆ sonicDestroyStream()

void sonicDestroyStream ( sonicStream stream )

◆ sonicFlushStream()

int sonicFlushStream ( sonicStream stream )

◆ sonicGetChordPitch()

int sonicGetChordPitch ( sonicStream stream )

◆ sonicGetNumChannels()

int sonicGetNumChannels ( sonicStream stream )

◆ sonicGetPitch()

float sonicGetPitch ( sonicStream stream )

◆ sonicGetQuality()

int sonicGetQuality ( sonicStream stream )

◆ sonicGetRate()

float sonicGetRate ( sonicStream stream )

◆ sonicGetSampleRate()

int sonicGetSampleRate ( sonicStream stream )

◆ sonicGetSpeed()

float sonicGetSpeed ( sonicStream stream )

◆ sonicGetVolume()

float sonicGetVolume ( sonicStream stream )

◆ sonicReadFloatFromStream()

int sonicReadFloatFromStream	(	sonicStream	stream,
		float *	samples,
		int	maxSamples
	)

◆ sonicReadShortFromStream()

int sonicReadShortFromStream	(	sonicStream	stream,
		short *	samples,
		int	maxSamples
	)

◆ sonicReadUnsignedCharFromStream()

int sonicReadUnsignedCharFromStream	(	sonicStream	stream,
		unsigned char *	samples,
		int	maxSamples
	)

◆ sonicSamplesAvailable()

int sonicSamplesAvailable ( sonicStream stream )

◆ sonicSetChordPitch()

void sonicSetChordPitch	(	sonicStream	stream,
		int	useChordPitch
	)

◆ sonicSetNumChannels()

int sonicSetNumChannels	(	sonicStream	stream,
		int	numChannels
	)

◆ sonicSetPitch()

void sonicSetPitch	(	sonicStream	stream,
		float	pitch
	)

◆ sonicSetQuality()

void sonicSetQuality	(	sonicStream	stream,
		int	quality
	)

◆ sonicSetRate()

void sonicSetRate	(	sonicStream	stream,
		float	rate
	)

◆ sonicSetSampleRate()

int sonicSetSampleRate	(	sonicStream	stream,
		int	sampleRate
	)

◆ sonicSetSpeed()

void sonicSetSpeed	(	sonicStream	stream,
		float	speed
	)

◆ sonicSetVolume()

void sonicSetVolume	(	sonicStream	stream,
		float	volume
	)

◆ sonicWriteFloatToStream()

int sonicWriteFloatToStream	(	sonicStream	stream,
		float *	samples,
		int	numSamples
	)

◆ sonicWriteShortToStream()

int sonicWriteShortToStream	(	sonicStream	stream,
		short *	samples,
		int	numSamples
	)

◆ sonicWriteUnsignedCharToStream()

int sonicWriteUnsignedCharToStream	(	sonicStream	stream,
		unsigned char *	samples,
		int	numSamples
	)

◆ vPortFree()

void vPortFree ( void * pv )

变量说明

◆ sincTable

short sincTable[601]

static