tvconv_internal.h

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/*
 * Copyright 2020 Leo McCormack
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */
 
#ifndef __TVCONV_INTERNAL_H_INCLUDED__
#define __TVCONV_INTERNAL_H_INCLUDED__
 
#include <stdio.h>
#include <math.h>
#include <string.h>
#include <assert.h>
#include "tvconv.h"
#include "saf.h"
#include "saf_externals.h" /* to also include saf dependencies (cblas etc.) */
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
/* ========================================================================== */
/*                            Internal Parameters                             */
/* ========================================================================== */
 
#define MIN_FRAME_SIZE ( 512 )
#define MAX_FRAME_SIZE ( 8192 )
#define NUM_DIMENSIONS ( 3 )
 
/* ========================================================================== */
/*                                 Structures                                 */
/* ========================================================================== */
 
typedef float vectorND[NUM_DIMENSIONS];
 
typedef struct _tvconv
{
    /* FIFO buffers */
    int FIFO_idx;
    float** inFIFO;
    float** outFIFO;
 
    /* Internal buffers */
    float** inputFrameTD;
    float** outputFrameTD;
    
    /* internal */
    void* hTVConv;     
    int hostBlockSize;     
    int hostBlockSize_clamped; 
    int host_fs;           
    int reInitFilters;     
    int nOutputChannels;   
    int ir_fs;
    float** irs;   
    int nIrChannels; 
    int ir_length;
    
    /* positions */
    vectorND* listenerPositions;       
    int nListenerPositions;
    vectorND minDimensions;            
    vectorND maxDimensions;            
    int position_idx;
    vectorND sourcePosition;
    
    /* flags/status */
    CODEC_STATUS codecStatus;
    float progressBar0_1;
    char* progressBarText;
    PROC_STATUS procStatus;
    
    /* user parameters */
    int nInputChannels;        
    vectorND targetPosition;    
    char* sofa_filepath;
    SAF_TVCONV_ERROR_CODES sofa_file_error;
 
} tvconv_data;
 
/* ========================================================================== */
/*                             Internal Functions                             */
/* ========================================================================== */
 
void tvconv_setCodecStatus(void* const hTVCnv,
                                 CODEC_STATUS newStatus);
void tvconv_findNearestNeigbour(void* const hTVCnv);
 
void tvconv_setMinMaxDimensions(void* const hTVCnv);
 
 
#ifdef __cplusplus
} /* extern "C" { */
#endif /* __cplusplus */
 
#endif /* __TVCONV_INTERNAL_H_INCLUDED__ */