25 lines
781 B
C++
25 lines
781 B
C++
#include "debugtonegenerator.h"
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// system includes
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#include <cmath>
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#include <limits>
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std::size_t DebugToneGenerator::fill(SamplePair *begin, SamplePair *end)
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{
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for (auto iter = begin; iter != end; iter++)
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{
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Q_ASSERT(iter <= end);
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iter->first = std::sin(m_counter) * std::numeric_limits<SamplePair::Type>::max() / 2;
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iter->second = std::sin((m_counter*8.f) + std::sin(m_offset)*10.) *(0.5 * (.7f + (std::sin(m_counter - M_PI/2) * .3f))) * std::numeric_limits<SamplePair::Type>::max() / 2;
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m_counter+= 1. / samplerate() * (1000. + (std::sin(m_freq) * 500.));
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m_offset+=0.00001f;
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m_freq+=1. / samplerate() * 4;
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}
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while (m_counter >= M_PI * 2)
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m_counter -= M_PI * 2;
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return std::distance(begin, end);
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}
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