62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
/** @file
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* @author Edouard DUPIN
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* @copyright 2014, Edouard DUPIN, all right reserved
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* @license APACHE v2.0 (see license file)
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*/
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#include <eaudiofx/debug.hpp>
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#include <eaudiofx/base/GeneratorSignal.hpp>
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#include <eaudiofx/core/BufferAudio.hpp>
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#include <cmath>
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void eaudiofx::GeneratorSignal::init() {
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eaudiofx::Block::init();
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}
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eaudiofx::GeneratorSignal::GeneratorSignal() :
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m_phase(0),
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m_output(*this, "out", "Output sinus generated", "{ type:'audio', freq:48000, format:['int16','int32'], channels:2}") {
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addObjectType("eaudiofx::GeneratorSignal");
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}
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int32_t eaudiofx::GeneratorSignal::algoProcess(int64_t _currentTime, int64_t _processTimeSlot) {
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EAUDIOFX_INFO("Process: " << _currentTime << " chunkTime=" << _processTimeSlot);
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return eaudiofx::ERR_NONE;
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}
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#if 0
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int32_t eaudiofx::GeneratorSignal::pull(double _currentTime, int32_t _request, float _timeout) {
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auto it = m_io.find("out");
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if (it == m_io.end()) {
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EAUDIOFX_WARNING("request to pull data with no output !!!");
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return eaudiofx::ERR_FAIL;
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}
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eaudiofx::BufferAudioRaw* buffer = dynamic_cast<eaudiofx::BufferAudioRaw*>(it->second.m_buffer);
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//EAUDIOFX_ERROR("Generate data, request : " << _request << " at time : " << _currentTime);
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if (buffer == nullptr) {
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// !! impossible case => a buffer can not be removed ...
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EAUDIOFX_ERROR("Buffer has been removed... OR change type ...");
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return eaudiofx::ERR_FAIL;
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}
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//request outpuffer needed size :
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buffer->setProperty(48000, 2, _request);
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float* data = buffer->getData();
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for (int32_t iii=0; iii<_request; ++iii) {
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for (int32_t jjj=0; jjj<2; ++jjj) {
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*data++ = cos(m_phase)*0.5f;
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}
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m_phase += 0.1;
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if (m_phase > 4.0*M_PI) {
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m_phase -= 4.0*M_PI;
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}
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}
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/*
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FILE* plopppp = fopen("plop.raw", "a");
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fwrite(buffer->getData(), sizeof(float), _request*2, plopppp);
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fflush(plopppp);
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fclose(plopppp);
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*/
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return eaudiofx::ERR_NONE;
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}
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#endif
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