sync.h

/* 
 * 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/
 * 
 */

#ifndef MDFOURIER_SYNC_H
#define MDFOURIER_SYNC_H

typedef struct pulses_st {
	double	hertz;
	double	magnitude;
	double	amplitude;
	double	phase;
	long int samples;
} Pulses;

long int DetectPulse(double *AllSamples, wav_hdr header, int role, parameters *config);
long int DetectEndPulse(double *AllSamples, long int startpulse, wav_hdr header, int role, parameters *config);
long int DetectPulseInternal(double *Samples, wav_hdr header, int factor, long int offset, int *maxDetected, int role, int AudioChannels, parameters *config);
double ProcessChunkForSyncPulse(double *samples, size_t size, long samplerate, Pulses *pulse, char channel, int AudioChannels, parameters *config);
long int DetectPulseTrainSequence(Pulses *pulseArray, double targetFrequency, double *targetFrequencyHarmonic, long int TotalMS, int factor, int *maxdetected, long int start, int role, int AudioChannels, parameters *config);
long int AdjustPulseSampleStartByPhase(double *Samples, wav_hdr header, long int offset, int role, int AudioChannels, parameters *config);
long int AdjustPulseSampleStartByLength(double* Samples, wav_hdr header, long int offset, int role, int AudioChannels, parameters* config);

double findAverageAmplitudeForTarget(Pulses *pulseArray, double targetFrequency, double *targetFrequencyHarmonic, long int TotalMS, long int start, int factor, int AudioChannels, parameters *config);
long int DetectSignalStart(double *AllSamples, wav_hdr header, long int offset, int syncKnow, long int expectedSyncLen, long int *endPulse, int *toleranceIssue, parameters *config);
long int DetectSignalStartInternal(double *Samples, wav_hdr header, int factor, long int offset, int syncKnown, long int expectedSyncLen, long int *endPulse, int AudioChannels, int *toleranceIssue, parameters *config);
#endif