source.cpp File Reference

#include "source.h"
#include "../exception.h"
#include "../debug.h"
#include <cmath>
#include <algorithm>

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Functions
template<typename sample >
void	fillSin (sample8 *buffer, dtime time, dtime length, float volume, float frequency, float phase, dtime sampleRate, unsigned char numChannels, int scale)

Function Documentation

fillSin()

template<typename sample >

void fillSin ( sample8 *  buffer, dtime  time, dtime  length, float  volume, float  frequency, float  phase, dtime  sampleRate, unsigned char  numChannels, int  scale  )

inline

Definition at line 34 of file source.cpp.

{
    dtime stop = time + length;
    sample* s = (sample*)buffer;
    float f = 2 * pi * frequency / sampleRate;
    sample v;
    for (dtime t = time; t < stop; ++t) {
        v.x = scale * std::min(std::max(-1.0f, volume * std::sin(t * f + phase)), 1.0f);
        for (unsigned char c = 0; c < numChannels; c++)
            (s++)->x = v.x;
    }
}