aacsbrfreq.c 文件参考

#include "aacsbr.h"
#include "aacassembly.h"

函数
static void	BubbleSort (unsigned char *v, int nItems)
static unsigned char	VMin (unsigned char *v, int nItems)
static unsigned char	VMax (unsigned char *v, int nItems)
static int	CalcFreqMasterScaleZero (unsigned char *freqMaster, int alterScale, int k0, int k2)
static int	CalcFreqMaster (unsigned char *freqMaster, int freqScale, int alterScale, int k0, int k2)
static int	CalcFreqHigh (unsigned char *freqHigh, unsigned char *freqMaster, int nMaster, int crossOverBand)
static int	CalcFreqLow (unsigned char *freqLow, unsigned char *freqHigh, int nHigh)
static int	CalcFreqNoise (unsigned char *freqNoise, unsigned char *freqLow, int nLow, int kStart, int k2, int noiseBands)
static int	BuildPatches (unsigned char *patchNumSubbands, unsigned char *patchStartSubband, unsigned char *freqMaster, int nMaster, int k0, int kStart, int numQMFBands, int sampRateIdx)
static int	FindFreq (unsigned char *freq, int nFreq, unsigned char val)
static void	RemoveFreq (unsigned char *freq, int nFreq, int removeIdx)
static int	CalcFreqLimiter (unsigned char *freqLimiter, unsigned char *patchNumSubbands, unsigned char *freqLow, int nLow, int kStart, int limiterBands, int numPatches)
int STATNAME()	CalcFreqTables (SBRHeader *sbrHdr, SBRFreq *sbrFreq, int sampRateIdx)

变量
static const int	mBandTab [3] = {6, 5, 4}
static const int	invWarpTab [2] = {0x40000000, 0x313b13b1}

函数说明

BubbleSort()

static void BubbleSort ( unsigned char *  v, int  nItems  )

static

BuildPatches()

static int BuildPatches ( unsigned char *  patchNumSubbands, unsigned char *  patchStartSubband, unsigned char *  freqMaster, int  nMaster, int  k0, int  kStart, int  numQMFBands, int  sampRateIdx  )

static

CalcFreqHigh()

static int CalcFreqHigh ( unsigned char *  freqHigh, unsigned char *  freqMaster, int  nMaster, int  crossOverBand  )

static

CalcFreqLimiter()

static int CalcFreqLimiter ( unsigned char *  freqLimiter, unsigned char *  patchNumSubbands, unsigned char *  freqLow, int  nLow, int  kStart, int  limiterBands, int  numPatches  )

static

CalcFreqLow()

static int CalcFreqLow ( unsigned char *  freqLow, unsigned char *  freqHigh, int  nHigh  )

static

CalcFreqMaster()

static int CalcFreqMaster ( unsigned char *  freqMaster, int  freqScale, int  alterScale, int  k0, int  k2  )

static

CalcFreqMasterScaleZero()

static int CalcFreqMasterScaleZero ( unsigned char *  freqMaster, int  alterScale, int  k0, int  k2  )

static

CalcFreqNoise()

static int CalcFreqNoise ( unsigned char *  freqNoise, unsigned char *  freqLow, int  nLow, int  kStart, int  k2, int  noiseBands  )

static

CalcFreqTables()

int STATNAME() CalcFreqTables	(	SBRHeader *	sbrHdr,
		SBRFreq *	sbrFreq,
		int	sampRateIdx
	)

FindFreq()

static int FindFreq ( unsigned char *  freq, int  nFreq, unsigned char  val  )

static

RemoveFreq()

static void RemoveFreq ( unsigned char *  freq, int  nFreq, int  removeIdx  )

static

VMax()

static unsigned char VMax ( unsigned char *  v, int  nItems  )

static

VMin()

static unsigned char VMin ( unsigned char *  v, int  nItems  )

static

变量说明

invWarpTab

const int invWarpTab[2] = {0x40000000, 0x313b13b1}

static

mBandTab

const int mBandTab[3] = {6, 5, 4}

static