/*
 * Filename:    WavWriter.h
 *
 * Description:
 *
 *
 * Version:     
 * Created:     Mon Mar  9 18:00:11 2020
 * Revision:    None
 * Author:      Rachel Fae Fox (foxiepaws),fox@foxiepa.ws
 *
 */
#include <cstdint>
#include <cstdio>

// standard wave files have a 32bit size limit.
#define WAVMAX (0xffffff - 20)
typedef unsigned int uint;

namespace amalgam {
class WavWriter {

    uint32_t length = 0; 
    uint32_t sr; // sample rate (gstool(samplerate))
    uint16_t bd; // bit depth   (gstool(bitdepth))
    uint16_t ch; // channels    (gstool(channels))
    uint32_t datasize;
    uint32_t fmtsize = 16;
    uint16_t type = 1;
    uint32_t riffsize;
    uint32_t byterate;
    uint16_t blockalign;
    FILE* file;
    
    // helpers
    bool fit() { return (WAVMAX-fmtsize) > (length + byterate); } // see if one more sample will fit
    void writeBytes(char* bytes, uint count);
    
 public:
    // gstool
    /* BEGIN GSTOOL GENERATED BLOCK */
    // getters
    uint32_t samplerate() { return sr; }
    uint16_t bitdepth() { return bd; }
    uint16_t channels() { return ch; }
    // setters
    void samplerate(uint32_t v) { sr = v; }
    void bitdepth(uint16_t v) { bd = v; }
    void channels(uint16_t v) { ch = v; }
    /* END GSTOOL GENERATED BLOCK */ 

    WavWriter() {}
    ~WavWriter();
    WavWriter(char* filename, uint srate, uint chan, uint bps);
    void finalise();
    void writeHeader();
    void write(...); 
};
}

/* Local Variables: */
/* mode: c++ */
/* flycheck-clang-language-standard: "c++11" */
/* End: */