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diff.c
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/*
* MDFourier
* A Fourier Transform analysis tool to compare game console audio
* http://junkerhq.net/MDFourier/
*
* Copyright (C)2019-2020 Artemio Urbina
*
* This file is part of the 240p Test Suite
*
* You can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Requires the FFTW library:
* http://www.fftw.org/
*
*/
#include "diff.h"
#include "log.h"
#include "freq.h"
#define STEREO_DIFF_SIZE 2*config->MaxFreq
#define MONO_DIFF_SIZE config->MaxFreq
long int GetSilenceBlockSize(int block, parameters *config)
{
long int s1, s2, size = 0;
s1 = config->referenceSignal->Blocks[block].SilenceSizeLeft + config->referenceSignal->Blocks[block].SilenceSizeRight;
s2 = config->comparisonSignal->Blocks[block].SilenceSizeLeft + config->comparisonSignal->Blocks[block].SilenceSizeRight;
if(s1 > s2)
size = s1;
else
size = s2;
return size;
}
AmplDifference *CreateAmplDifferences(int block, parameters *config)
{
AmplDifference *ad = NULL;
long int size = 0;
if(GetBlockType(config, block) == TYPE_SILENCE)
size = GetSilenceBlockSize(block, config);
else
{
if(GetBlockChannel(config, block) == CHANNEL_STEREO)
size = STEREO_DIFF_SIZE;
else
size = MONO_DIFF_SIZE;
}
ad = (AmplDifference*)malloc(sizeof(AmplDifference)*size);
if(!ad)
{
logmsg("Insufficient memory for AmplDifference (%ld bytes)\n", sizeof(AmplDifference)*size);
return 0;
}
memset(ad, 0, sizeof(AmplDifference)*size);
return ad;
}
FreqDifference *CreateFreqDifferences(int block, parameters *config)
{
FreqDifference *fd = NULL;
long int size = 0;
if(GetBlockType(config, block) == TYPE_SILENCE)
size = GetSilenceBlockSize(block, config);
else
{
if(GetBlockChannel(config, block) == CHANNEL_STEREO)
size = STEREO_DIFF_SIZE;
else
size = MONO_DIFF_SIZE;
}
fd = (FreqDifference*)malloc(sizeof(FreqDifference)*size);
if(!fd)
{
logmsg("Insufficient memory for FreqDifference (%ld bytes)\n", sizeof(sizeof(FreqDifference)*size));
return 0;
}
memset(fd, 0, sizeof(FreqDifference)*size);
return fd;
}
PhaseDifference *CreatePhaseDifferences(int block, parameters *config)
{
PhaseDifference *pd = NULL;
long int size = 0;
if(GetBlockType(config, block) == TYPE_SILENCE)
size = GetSilenceBlockSize(block, config);
else
{
if(GetBlockChannel(config, block) == CHANNEL_STEREO)
size = STEREO_DIFF_SIZE;
else
size = MONO_DIFF_SIZE;
}
pd = (PhaseDifference*)malloc(sizeof(PhaseDifference)*size);
if(!pd)
{
logmsg("Insufficient memory for FreqDifference (%ld bytes)\n", sizeof(sizeof(PhaseDifference)*size));
return 0;
}
memset(pd, 0, sizeof(PhaseDifference)*size);
return pd;
}
int CreateDifferenceArray(parameters *config)
{
BlockDifference *BlockDiffArray = NULL;
if(!config)
return 0;
BlockDiffArray = (BlockDifference*)malloc(sizeof(BlockDifference)*config->types.totalBlocks);
if(!BlockDiffArray)
{
logmsg("Insufficient memory for AudioDiffArray(%ld bytes)\n", sizeof(sizeof(BlockDifference)*config->types.totalBlocks));
return 0;
}
memset(BlockDiffArray, 0, sizeof(BlockDifference)*config->types.totalBlocks);
for(int i = 0; i < config->types.totalBlocks; i++)
{
int type = TYPE_NOTYPE;
type = GetBlockType(config, i);
if(type >= TYPE_SILENCE)
{
BlockDiffArray[i].freqMissArray = CreateFreqDifferences(i, config);
if(!BlockDiffArray[i].freqMissArray)
{
free(BlockDiffArray);
return 0;
}
BlockDiffArray[i].amplDiffArray = CreateAmplDifferences(i, config);
if(!BlockDiffArray[i].amplDiffArray)
{
free(BlockDiffArray);
return 0;
}
BlockDiffArray[i].phaseDiffArray = CreatePhaseDifferences(i, config);
if(!BlockDiffArray[i].phaseDiffArray)
{
free(BlockDiffArray);
return 0;
}
}
else
{
BlockDiffArray[i].freqMissArray = NULL;
BlockDiffArray[i].amplDiffArray = NULL;
BlockDiffArray[i].phaseDiffArray = NULL;
}
BlockDiffArray[i].type = type;
BlockDiffArray[i].cntFreqBlkDiff = 0;
BlockDiffArray[i].cmpFreqBlkDiff = 0;
BlockDiffArray[i].cntAmplBlkDiff = 0;
BlockDiffArray[i].cmpAmplBlkDiff = 0;
BlockDiffArray[i].perfectAmplMatch = 0;
// Left
BlockDiffArray[i].cntAmplBlkDiffLeft = 0;
BlockDiffArray[i].cmpAmplBlkDiffLeft = 0;
BlockDiffArray[i].perfectAmplMatchLeft = 0;
// Right
BlockDiffArray[i].cntAmplBlkDiffRight = 0;
BlockDiffArray[i].cmpAmplBlkDiffRight = 0;
BlockDiffArray[i].perfectAmplMatchRight = 0;
BlockDiffArray[i].cntPhaseBlkDiff = 0;
BlockDiffArray[i].cmpPhaseBlkDiff = 0;
BlockDiffArray[i].channel = GetBlockChannel(config, i);
}
config->Differences.BlockDiffArray = BlockDiffArray;
config->Differences.cntFreqAudioDiff = 0;
config->Differences.cntAmplAudioDiff = 0;
config->Differences.cntPhaseAudioDiff = 0;
config->Differences.cmpPhaseAudioDiff = 0;
config->Differences.cntPerfectAmplMatch = 0;
config->Differences.cntTotalCompared = 0;
config->Differences.cntTotalAudioDiff = 0;
// Left
config->Differences.cntFreqAudioDiffLeft = 0;
config->Differences.cntAmplAudioDiffLeft = 0;
config->Differences.cntPhaseAudioDiffLeft = 0;
config->Differences.cmpPhaseAudioDiffLeft = 0;
config->Differences.cntPerfectAmplMatchLeft = 0;
config->Differences.cntTotalComparedLeft = 0;
config->Differences.cntTotalAudioDiffLeft = 0;
// Right
config->Differences.cntFreqAudioDiffRight = 0;
config->Differences.cntAmplAudioDiffRight = 0;
config->Differences.cntPhaseAudioDiffRight = 0;
config->Differences.cmpPhaseAudioDiffRight = 0;
config->Differences.cntPerfectAmplMatchRight = 0;
config->Differences.cntTotalComparedRight = 0;
config->Differences.cntTotalAudioDiffRight = 0;
return 1;
}
void ReleaseDifferenceArray(parameters *config)
{
if(!config)
return;
if(!config->Differences.BlockDiffArray)
return;
for(int i = 0; i < config->types.totalBlocks; i++)
{
if(config->Differences.BlockDiffArray[i].amplDiffArray)
{
free(config->Differences.BlockDiffArray[i].amplDiffArray);
config->Differences.BlockDiffArray[i].amplDiffArray = NULL;
}
if(config->Differences.BlockDiffArray[i].freqMissArray)
{
free(config->Differences.BlockDiffArray[i].freqMissArray);
config->Differences.BlockDiffArray[i].freqMissArray = NULL;
}
if(config->Differences.BlockDiffArray[i].phaseDiffArray)
{
free(config->Differences.BlockDiffArray[i].phaseDiffArray);
config->Differences.BlockDiffArray[i].phaseDiffArray = NULL;
}
}
free(config->Differences.BlockDiffArray);
config->Differences.BlockDiffArray = NULL;
config->Differences.cntFreqAudioDiff = 0;
config->Differences.cntAmplAudioDiff = 0;
config->Differences.cntPhaseAudioDiff = 0;
config->Differences.cntTotalCompared = 0;
config->Differences.cntTotalAudioDiff = 0;
}
int IncrementCmpAmpl(int block, char channel, parameters *config)
{
if(!config)
return 0;
if(!config->Differences.BlockDiffArray)
return 0;
if(block > config->types.totalBlocks)
return 0;
config->Differences.BlockDiffArray[block].cmpAmplBlkDiff ++;
if(channel == CHANNEL_LEFT || channel == CHANNEL_MONO)
config->Differences.BlockDiffArray[block].cmpAmplBlkDiffLeft ++;
if(channel == CHANNEL_RIGHT)
config->Differences.BlockDiffArray[block].cmpAmplBlkDiffRight ++;
return 1;
}
int IncrementCmpPhase(int block, parameters *config)
{
if(!config)
return 0;
if(!config->Differences.BlockDiffArray)
return 0;
if(block > config->types.totalBlocks)
return 0;
config->Differences.BlockDiffArray[block].cmpPhaseBlkDiff ++;
config->Differences.cmpPhaseAudioDiff ++;
return 1;
}
int InsertAmplDifference(int block, Frequency ref, Frequency comp, char channel, parameters *config)
{
long int position = 0;
double diffAmpl = 0;
if(!config)
return 0;
if(!config->Differences.BlockDiffArray)
return 0;
if(!config->Differences.BlockDiffArray[block].amplDiffArray)
return 0;
if(block > config->types.totalBlocks)
return 0;
if(ref.amplitude == NO_AMPLITUDE || comp.amplitude == NO_AMPLITUDE)
{
logmsg("WARNING: Received NO_AMPLITUDE for Amplitude difference\n");
return 0;
}
diffAmpl = fabs(ref.amplitude) - fabs(comp.amplitude);
position = config->Differences.BlockDiffArray[block].cntAmplBlkDiff;
if(GetBlockType(config, block) != TYPE_SILENCE)
{
if(GetBlockChannel(config, block) == CHANNEL_STEREO)
{
if(position >= STEREO_DIFF_SIZE)
return 0;
}
else
{
if(position >= MONO_DIFF_SIZE)
return 0;
}
}
else
{
if(position >= GetSilenceBlockSize(block, config))
return 0;
}
config->Differences.BlockDiffArray[block].amplDiffArray[position].hertz = ref.hertz;
config->Differences.BlockDiffArray[block].amplDiffArray[position].refAmplitude = ref.amplitude;
config->Differences.BlockDiffArray[block].amplDiffArray[position].diffAmplitude = diffAmpl;
config->Differences.BlockDiffArray[block].amplDiffArray[position].channel = channel;
config->Differences.BlockDiffArray[block].cntAmplBlkDiff ++;
config->Differences.cntAmplAudioDiff ++;
config->Differences.cntTotalAudioDiff ++;
if(channel == CHANNEL_LEFT || channel == CHANNEL_MONO)
{
config->Differences.BlockDiffArray[block].cntAmplBlkDiffLeft ++;
config->Differences.cntAmplAudioDiffLeft ++;
config->Differences.cntTotalAudioDiffLeft ++;
}
if(channel == CHANNEL_RIGHT)
{
config->Differences.BlockDiffArray[block].cntAmplBlkDiffRight ++;
config->Differences.cntAmplAudioDiffRight ++;
config->Differences.cntTotalAudioDiffRight ++;
}
return 1;
}
int InsertPhaseDifference(int block, Frequency ref, Frequency comp, char channel, parameters *config)
{
int position = 0;
double diffPhase = 0;
if(!config)
return 0;
if(!config->Differences.BlockDiffArray)
return 0;
if(!config->Differences.BlockDiffArray[block].phaseDiffArray)
return 0;
if(block > config->types.totalBlocks)
return 0;
if(ref.amplitude == NO_AMPLITUDE || comp.amplitude == NO_AMPLITUDE)
{
logmsg("WARNING: Received NO_AMPLITUDE for Phase difference\n");
return 0;
}
diffPhase = comp.phase - ref.phase;
//diffPhase = roundFloat(diffPhase);
if(diffPhase > 180.0)
diffPhase -= 360;
if(diffPhase <= -180.0) // -180 is the same as 180, hence the =
diffPhase += 360;
if(diffPhase == 0) diffPhase = 0; // remove -0.0 for plots.
position = config->Differences.BlockDiffArray[block].cntPhaseBlkDiff;
if(GetBlockType(config, block) != TYPE_SILENCE)
{
if(GetBlockChannel(config, block) == CHANNEL_STEREO)
{
if(position >= STEREO_DIFF_SIZE)
return 0;
}
else
{
if(position >= MONO_DIFF_SIZE)
return 0;
}
}
else
{
if(position >= GetSilenceBlockSize(block, config))
return 0;
}
config->Differences.BlockDiffArray[block].phaseDiffArray[position].hertz = ref.hertz;
config->Differences.BlockDiffArray[block].phaseDiffArray[position].diffPhase = diffPhase;
config->Differences.BlockDiffArray[block].phaseDiffArray[position].channel = channel;
config->Differences.BlockDiffArray[block].cntPhaseBlkDiff ++;
config->Differences.cntPhaseAudioDiff ++;
//config->Differences.cntTotalAudioDiff ++;
return 1;
}
int IncrementCompared(int block, char channel, parameters *config)
{
if(!config)
return 0;
config->Differences.cntTotalCompared ++;
if(channel == CHANNEL_LEFT || channel == CHANNEL_MONO)
config->Differences.cntTotalComparedLeft++;
if(channel == CHANNEL_RIGHT)
config->Differences.cntTotalComparedRight++;
if(!IncrementCmpAmpl(block, channel, config))
return 0;
if(!IncrementCmpFreq(block, config))
return 0;
if(!IncrementCmpPhase(block, config))
return 0;
return 1;
}
int IncrementPerfectMatch(int block, char channel, parameters *config)
{
if(!config)
return 0;
if(!config->Differences.BlockDiffArray)
return 0;
if(block > config->types.totalBlocks)
return 0;
config->Differences.BlockDiffArray[block].perfectAmplMatch ++;
config->Differences.cntPerfectAmplMatch ++;
if(channel == CHANNEL_LEFT || channel == CHANNEL_MONO)
{
config->Differences.BlockDiffArray[block].perfectAmplMatchLeft ++;
config->Differences.cntPerfectAmplMatchLeft ++;
}
if(channel == CHANNEL_RIGHT)
{
config->Differences.BlockDiffArray[block].perfectAmplMatchRight ++;
config->Differences.cntPerfectAmplMatchRight ++;
}
return 1;
}
int IncrementCmpFreq(int block, parameters *config)
{
if(!config)
return 0;
if(!config->Differences.BlockDiffArray)
return 0;
if(block > config->types.totalBlocks)
return 0;
config->Differences.BlockDiffArray[block].cmpFreqBlkDiff ++;
return 1;
}
int InsertFreqNotFound(int block, double freq, double amplitude, char channel, parameters *config)
{
int position = 0;
if(!config)
return 0;
if(!config->Differences.BlockDiffArray)
return 0;
if(!config->Differences.BlockDiffArray[block].freqMissArray)
return 0;
if(block > config->types.totalBlocks)
return 0;
if(amplitude == NO_AMPLITUDE)
{
logmsg("WARNING: Received NO_AMPLITUDE for Frequency not found\n");
return 0;
}
position = config->Differences.BlockDiffArray[block].cntFreqBlkDiff;
config->Differences.BlockDiffArray[block].freqMissArray[position].hertz = freq;
config->Differences.BlockDiffArray[block].freqMissArray[position].amplitude = amplitude;
config->Differences.BlockDiffArray[block].freqMissArray[position].channel = channel;
config->Differences.BlockDiffArray[block].cntFreqBlkDiff ++;
config->Differences.cntFreqAudioDiff ++;
config->Differences.cntTotalAudioDiff ++;
return 1;
}
void PrintDifferentFrequencies(int block, parameters *config)
{
if(!config)
return;
if(!config->Differences.BlockDiffArray)
return;
if(config->Differences.BlockDiffArray[block].cntFreqBlkDiff)
logmsgFileOnly("Frequencies not found:\n");
for(int f = 0; f < config->Differences.BlockDiffArray[block].cntFreqBlkDiff; f++)
{
logmsgFileOnly("Frequency: %7g Hz\tAmplituide: %4.2f\tChannel: %c\n",
config->Differences.BlockDiffArray[block].freqMissArray[f].hertz,
config->Differences.BlockDiffArray[block].freqMissArray[f].amplitude,
config->Differences.BlockDiffArray[block].freqMissArray[f].channel);
}
}
void PrintDifferentAmplitudes(int block, parameters *config)
{
if(!config)
return;
if(!config->Differences.BlockDiffArray)
return;
if(config->Differences.BlockDiffArray[block].cntAmplBlkDiff)
logmsgFileOnly("\nDifferent Amplitudes:\n");
for(int a = 0; a < config->Differences.BlockDiffArray[block].cntAmplBlkDiff; a++)
{
logmsgFileOnly("Frequency: %7.4g Hz\tAmplitude: %4.6g dBFS\tAmplitude Difference: %4.6g dB\tChannel: %c\n",
config->Differences.BlockDiffArray[block].amplDiffArray[a].hertz,
config->Differences.BlockDiffArray[block].amplDiffArray[a].refAmplitude,
config->Differences.BlockDiffArray[block].amplDiffArray[a].diffAmplitude,
config->Differences.BlockDiffArray[block].amplDiffArray[a].channel);
}
}
void PrintDifferentPhases(int block, parameters *config)
{
if(!config)
return;
if(!config->Differences.BlockDiffArray)
return;
if(config->Differences.BlockDiffArray[block].cntPhaseBlkDiff)
logmsgFileOnly("\nDifferent Phase:\n");
for(int a = 0; a < config->Differences.BlockDiffArray[block].cntPhaseBlkDiff; a++)
{
logmsgFileOnly("Frequency: %7g Hz\tPhase Difference: %3.2f\tChannel: %c\n",
config->Differences.BlockDiffArray[block].phaseDiffArray[a].hertz,
config->Differences.BlockDiffArray[block].phaseDiffArray[a].diffPhase,
config->Differences.BlockDiffArray[block].phaseDiffArray[a].channel);
}
}
void PrintDifferenceArray(parameters *config)
{
if(!config)
return;
if(!config->Differences.BlockDiffArray)
return;
if(!config->Differences.cntTotalCompared)
{
logmsg("ERROR: Compared equals zero\n");
return;
}
logmsgFileOnly("\n\n==========DIFFERENCE ARRAY==========\n");
logmsgFileOnly("\nPerfect Frequency/Amplitude Matches: %ld\n",
config->Differences.cntPerfectAmplMatch);
logmsgFileOnly("Total Differences: %ld from %ld\nTotal: %g%%\n",
config->Differences.cntTotalAudioDiff,
config->Differences.cntTotalCompared,
(double)config->Differences.cntTotalAudioDiff*100.0/(double)config->Differences.cntTotalCompared);
logmsgFileOnly("Total Frequencies not Found: %ld\n",
config->Differences.cntFreqAudioDiff);
logmsgFileOnly("Total Amplitudes not matched: %ld\n",
config->Differences.cntAmplAudioDiff);
logmsgFileOnly("Total Phases not matched: %ld from %ld (%g%%)\n",
config->Differences.cntPhaseAudioDiff, config->Differences.cmpPhaseAudioDiff,
config->Differences.cmpPhaseAudioDiff > 0 ? (double)config->Differences.cntPhaseAudioDiff*100.0/(double)config->Differences.cmpPhaseAudioDiff : 0);
for(int b = 0; b < config->types.totalBlocks; b++)
{
if(GetBlockType(config, b) < TYPE_CONTROL)
continue;
//if(config->Differences.BlockDiffArray[b].cntAmplBlkDiff)
logmsgFileOnly("\n\nBlock: %s# %d (%d) Not Found: %ld Differences: %ld Phase Diff: %ld\n",
GetBlockName(config, b), GetBlockSubIndex(config, b), b,
config->Differences.BlockDiffArray[b].cntFreqBlkDiff,
config->Differences.BlockDiffArray[b].cntAmplBlkDiff,
config->Differences.BlockDiffArray[b].cntPhaseBlkDiff);
PrintDifferentFrequencies(b, config);
PrintDifferentAmplitudes(b, config);
PrintDifferentPhases(b, config);
}
}
double FindDifferenceAverage(parameters *config)
{
double AvgDifAmp = 0;
long int count = 0;
if(!config)
return 0;
if(!config->Differences.BlockDiffArray)
return 0;
for(int b = 0; b < config->types.totalBlocks; b++)
{
if(config->Differences.BlockDiffArray[b].type <= TYPE_CONTROL)
continue;
for(int a = 0; a < config->Differences.BlockDiffArray[b].cntAmplBlkDiff; a++)
{
AvgDifAmp += config->Differences.BlockDiffArray[b].amplDiffArray[a].diffAmplitude;
count ++;
}
}
if(count)
AvgDifAmp /= count;
return AvgDifAmp;
}
void SubstractDifferenceAverageFromResults(parameters *config)
{
if(!config)
return;
if(!config->Differences.BlockDiffArray)
return;
for(int b = 0; b < config->types.totalBlocks; b++)
{
if(config->Differences.BlockDiffArray[b].type <= TYPE_CONTROL)
continue;
for(int a = 0; a < config->Differences.BlockDiffArray[b].cntAmplBlkDiff; a++)
config->Differences.BlockDiffArray[b].amplDiffArray[a].diffAmplitude -= config->averageDifference;
}
}
double FindDifferencePercentOutsideViewPort(double *maxAmpl, int *type, double threshold, parameters *config)
{
int typeMax = 0, currentType = TYPE_NOTYPE;
double maxPercent = 0, maxFromType = 0;
double count = 0, outside = 0, localMax = 0;
if(!config || !config->Differences.BlockDiffArray || !maxAmpl || !type)
{
logmsg("WARNING: Invalid data to find difference percent outside view port\n");
return 0;
}
*maxAmpl = 0;
*type = TYPE_NOTYPE;
for(int b = 0; b < config->types.totalBlocks; b++)
{
int seltype = 0;
seltype = config->Differences.BlockDiffArray[b].type;
if(seltype <= TYPE_CONTROL)
continue;
if(seltype != currentType)
{
if(count)
{
double percent = 0;
percent = outside/count*100.0;
if(percent > maxPercent)
{
maxPercent = percent;
maxFromType = localMax;
typeMax = currentType;
}
}
count = 0;
outside = 0;
localMax = 0;
currentType = seltype;
}
for(int a = 0; a < config->Differences.BlockDiffArray[b].cntAmplBlkDiff; a++)
{
double ampl = 0;
ampl = fabs(config->Differences.BlockDiffArray[b].amplDiffArray[a].diffAmplitude);
if(ampl >= threshold)
{
if(localMax < ampl)
localMax = ampl;
outside ++;
}
count ++;
}
}
if(count)
{
double percent = 0;
percent = outside/count*100.0;
if(percent > maxPercent)
{
maxPercent = percent;
maxFromType = localMax;
typeMax = currentType;
}
}
if(maxFromType)
{
*maxAmpl = maxFromType;
*type = typeMax;
}
return(maxPercent);
}
double FindVisibleInViewPortWithinStandardDeviation(double *maxAmpl, double *outside, int type, int numstd, parameters *config)
{
double mean = 0, standard = 0, threshold = 0, count = 0;
if(!config)
return -1;
if(!config->Differences.BlockDiffArray || !maxAmpl || !outside)
return -1;
if(numstd < 1)
numstd = 1;
if(numstd > 2)
numstd = 2;
*maxAmpl = 0;
*outside = 0;
for(int b = 0; b < config->types.totalBlocks; b++)
{
int currentType = 0;
currentType = config->Differences.BlockDiffArray[b].type;
if(currentType <= TYPE_CONTROL)
continue;
if(type == currentType)
{
for(int a = 0; a < config->Differences.BlockDiffArray[b].cntAmplBlkDiff; a++)
{
mean += fabs(config->Differences.BlockDiffArray[b].amplDiffArray[a].diffAmplitude);
count ++;
}
}
}
if(!count)
return -1;
mean = mean/count;
count = 0;
// STD DEV
for(int b = 0; b < config->types.totalBlocks; b++)
{
int currentType = 0;
currentType = config->Differences.BlockDiffArray[b].type;
if(currentType <= TYPE_CONTROL)
continue;
if(type == currentType)
{
for(int a = 0; a < config->Differences.BlockDiffArray[b].cntAmplBlkDiff; a++)
{
double ampl = 0;
ampl = fabs(config->Differences.BlockDiffArray[b].amplDiffArray[a].diffAmplitude);
standard += pow(ampl - mean, 2);
count++;
}
}
}
if(!count)
return -1;
standard = sqrt(standard/(count-1));
count = 0;
threshold = mean + numstd*standard;
for(int b = 0; b < config->types.totalBlocks; b++)
{
int currentType = 0;
currentType = config->Differences.BlockDiffArray[b].type;
if(currentType <= TYPE_CONTROL)
continue;
if(type == currentType)
{
for(int a = 0; a < config->Differences.BlockDiffArray[b].cntAmplBlkDiff; a++)
{
double ampl = 0;
ampl = fabs(config->Differences.BlockDiffArray[b].amplDiffArray[a].diffAmplitude);
if(ampl >= threshold)
{
if(*maxAmpl < ampl)
*maxAmpl = ampl;
(*outside) ++;
}
count ++;
}
}
}
if(count)
*outside = *outside/count*100.0;
return(threshold);
}
int FindExtraFrequenciesByType(int type, long int *inside, long int *count, char channel, parameters *config)
{
long int extraCount = 0, extraTotal = 0;
if(!config || !inside || !count)
return 0;
if(!config->Differences.BlockDiffArray)
return 0;
*inside = 0;
*count = 0;
for(int b = 0; b < config->types.totalBlocks; b++)
{
if(config->Differences.BlockDiffArray[b].type == type)
{
/* Extra */
if(channel == CHANNEL_LEFT || channel == CHANNEL_STEREO || channel == CHANNEL_MONO)
{
for(long int i = config->MaxFreq-1; i >= 0; i--)
{
AudioSignal *Signal = NULL;
Signal = config->comparisonSignal;
if(Signal && Signal->Blocks[b].freq[i].hertz
&& Signal->Blocks[b].freq[i].amplitude > config->significantAmplitude)
{
extraTotal++;
if(!Signal->Blocks[b].freq[i].matched)
extraCount++;
}
}
}
if((channel == CHANNEL_RIGHT || channel == CHANNEL_STEREO)
&& config->referenceSignal && config->referenceSignal->Blocks[b].freqRight)
{
for(int i = config->MaxFreq-1; i >= 0; i--)
{
AudioSignal *Signal = NULL;
Signal = config->comparisonSignal;
if(Signal && Signal->Blocks[b].freqRight[i].hertz
&& Signal->Blocks[b].freqRight[i].amplitude > config->significantAmplitude)
{
extraTotal++;
if(!Signal->Blocks[b].freqRight[i].matched)
extraCount++;
}
}
}
}
}
*inside = extraCount;
*count = extraTotal;
return 1;
}
int FindMissingFrequenciesByType(int type, long int *inside, long int *count, char channel, parameters *config)
{
long int extraCount = 0, extraTotal = 0;
if(!config || !inside || !count)
return 0;
if(!config->Differences.BlockDiffArray)
return 0;
*inside = 0;
*count = 0;
for(int b = 0; b < config->types.totalBlocks; b++)
{
if(config->Differences.BlockDiffArray[b].type == type)
{
/* Missing */
if(channel == CHANNEL_LEFT || channel == CHANNEL_STEREO || channel == CHANNEL_MONO)
{
for(long int i = config->MaxFreq-1; i >= 0; i--)
{
AudioSignal *Signal = NULL;
Signal = config->referenceSignal;
if(Signal && Signal->Blocks[b].freq[i].hertz
&& Signal->Blocks[b].freq[i].amplitude > config->significantAmplitude)
{
extraTotal++;
if(!Signal->Blocks[b].freq[i].matched)
extraCount++;
}
}
}
if((channel == CHANNEL_RIGHT || channel == CHANNEL_STEREO)
&& config->referenceSignal && config->referenceSignal->Blocks[b].freqRight)
{
for(int i = config->MaxFreq-1; i >= 0; i--)
{
AudioSignal *Signal = NULL;
Signal = config->referenceSignal;
if(Signal && Signal->Blocks[b].freqRight[i].hertz
&& Signal->Blocks[b].freqRight[i].amplitude > config->significantAmplitude)
{
extraTotal++;
if(!Signal->Blocks[b].freqRight[i].matched)
extraCount++;
}
}
}
}
}
*inside = extraCount;
*count = extraTotal;
return 1;
}
long int FindDifferenceAveragesperBlock(double thresholdAmplitude, double thresholdMissing, double thresholdExtra, parameters *config)
{
long int total = 0;
if(!config)
return 0;
if(!config->Differences.BlockDiffArray)
return 0;