773 lines
20 KiB
C++
773 lines
20 KiB
C++
/*
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Copyright (C) 2017 Xenakios
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 3 of the GNU General Public License
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as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License (version 3) for more details.
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www.gnu.org/licenses
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*/
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#include "StretchSource.h"
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#include <set>
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#ifdef WIN32
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#include <ppl.h>
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//#define USE_PPL_TO_PROCESS_STRETCHERS
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#undef min
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#undef max
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#endif
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StretchAudioSource::StretchAudioSource(int initialnumoutchans,
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AudioFormatManager* afm,
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std::array<AudioParameterBool*,9>& enab_pars) : m_afm(afm)
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{
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m_resampler = std::make_unique<WDL_Resampler>(4*65536);
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m_resampler_outbuf.resize(1024*1024);
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m_inputfile = std::make_unique<AInputS>(m_afm);
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for (int i = 0; i < enab_pars.size(); ++i)
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{
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m_specproc_order.emplace_back(i, enab_pars[i]);
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}
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//m_specproc_order = { {0,false} , { 1, false} ,{2,true},{3,true},{4,true},{5,false},{6,true},{7,true},{8,false} };
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setNumOutChannels(initialnumoutchans);
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m_xfadetask.buffer.setSize(8, 65536);
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m_xfadetask.buffer.clear();
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}
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StretchAudioSource::~StretchAudioSource()
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{
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}
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void StretchAudioSource::prepareToPlay(int samplesPerBlockExpected, double sampleRate)
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{
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m_outsr = sampleRate;
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m_vol_smoother.reset(sampleRate, 0.5);
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m_lastplayrate = -1.0;
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m_stop_play_requested = false;
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m_output_counter = 0;
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m_output_silence_counter = 0;
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m_stream_end_reached = false;
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m_firstbuffer = true;
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m_output_has_begun = false;
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m_drypreviewbuf.setSize(m_num_outchans, 65536);
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initObjects();
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}
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void StretchAudioSource::releaseResources()
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{
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}
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AudioBuffer<float>* StretchAudioSource::getSourceAudioBuffer()
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{
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if (m_inputfile==nullptr)
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return nullptr;
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return m_inputfile->getAudioBuffer();
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}
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bool StretchAudioSource::isResampling()
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{
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if (m_inputfile==nullptr || m_inputfile->info.samplerate==0)
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return false;
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return (int)m_outsr!=m_inputfile->info.samplerate;
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}
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int64_t StretchAudioSource::getDiskReadSampleCount() const
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{
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if (m_inputfile == nullptr)
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return 0;
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return m_inputfile->getDiskReadSampleCount();
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}
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std::vector<SpectrumProcess> StretchAudioSource::getSpectrumProcessOrder()
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{
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return m_specproc_order;
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}
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void StretchAudioSource::setSpectrumProcessOrder(std::vector<SpectrumProcess> order)
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{
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ScopedLock locker(m_cs);
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m_specproc_order = order;
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/*
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Logger::writeToLog("<**");
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for (auto& e : m_specproc_order)
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Logger::writeToLog(e.m_enabled->name + " " + String(e.m_index));
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Logger::writeToLog("**>");
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*/
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for (int i = 0; i < m_stretchers.size(); ++i)
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{
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m_stretchers[i]->m_spectrum_processes = order;
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}
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}
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std::pair<Range<double>, Range<double>> StretchAudioSource::getFileCachedRangesNormalized()
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{
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if (m_inputfile == nullptr)
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return {};
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return m_inputfile->getCachedRangesNormalized();
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}
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void StretchAudioSource::setFreeFilterEnvelope(shared_envelope env)
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{
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ScopedLock locker(m_cs);
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m_free_filter_envelope = env;
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for (int i = 0; i < m_stretchers.size(); ++i)
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{
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m_stretchers[i]->setFreeFilterEnvelope(env);
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}
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}
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bool StretchAudioSource::isLoopingEnabled()
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{
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if (m_inputfile == nullptr || m_inputfile->info.nsamples == 0)
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return false;
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return m_inputfile->isLooping();
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}
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void StretchAudioSource::setLoopingEnabled(bool b)
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{
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ScopedLock locker(m_cs);
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if (m_inputfile != nullptr)
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{
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if (m_inputfile->isLooping() == false && b == true)
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seekPercent(m_inputfile->getActiveRange().getStart());
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m_inputfile->setLoopEnabled(b);
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}
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}
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void StretchAudioSource::setAudioBufferAsInputSource(AudioBuffer<float>* buf, int sr, int len)
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{
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ScopedLock locker(m_cs);
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m_inputfile->setAudioBuffer(buf, sr, len);
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m_seekpos = 0.0;
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m_curfile = File();
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if (m_playrange.isEmpty())
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setPlayRange({ 0.0,1.0 });
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++m_param_change_count;
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}
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void StretchAudioSource::setMainVolume(double decibels)
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{
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if (decibels == m_main_volume)
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return;
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if (m_cs.tryEnter())
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{
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m_main_volume = jlimit(-144.0, 12.0, decibels);
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++m_param_change_count;
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m_cs.exit();
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}
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}
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#ifdef OLDMODULE_ENAB
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void StretchAudioSource::setSpectralModulesEnabled(const std::array<AudioParameterBool*, 9>& params)
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{
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jassert(m_specprocmap.size() > 0);
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/*
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bool changed = false;
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for (int i = 0; i < m_specproc_order.size(); ++i)
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{
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int index = m_specprocmap[i];
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if (*params[index] != *m_specproc_order[i].m_enabled)
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{
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changed = true;
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break;
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}
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}
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if (changed == false)
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return;
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*/
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if (m_cs.tryEnter())
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{
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for (int i = 0; i < m_specproc_order.size(); ++i)
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{
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int index = m_specprocmap[i];
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*m_specproc_order[i].m_enabled = (bool)(*params[index]);
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}
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for (int i = 0; i < m_stretchers.size(); ++i)
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{
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m_stretchers[i]->m_spectrum_processes = m_specproc_order;
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}
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++m_param_change_count;
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m_cs.exit();
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}
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}
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#endif
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void StretchAudioSource::setSpectralModuleEnabled(int index, bool b)
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{
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++m_param_change_count;
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}
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void StretchAudioSource::setLoopXFadeLength(double lenseconds)
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{
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if (lenseconds == m_loopxfadelen)
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return;
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if (m_cs.tryEnter())
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{
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m_loopxfadelen = jlimit(0.0, 1.0, lenseconds);
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++m_param_change_count;
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m_cs.exit();
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}
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}
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void StretchAudioSource::setPreviewDry(bool b)
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{
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if (b == m_preview_dry)
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return;
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if (m_cs.tryEnter())
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{
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m_resampler->Reset();
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if (m_preview_dry == true && b == false && m_inputfile->info.nsamples>0)
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m_resampler->SetRates(m_inputfile->info.samplerate, m_outsr);
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m_preview_dry = b;
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++m_param_change_count;
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m_cs.exit();
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}
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}
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bool StretchAudioSource::isPreviewingDry() const
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{
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return m_preview_dry;
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}
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void StretchAudioSource::setDryPlayrate(double rate)
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{
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if (rate == m_dryplayrate)
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return;
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if (m_cs.tryEnter())
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{
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m_dryplayrate = rate;
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++m_param_change_count;
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m_cs.exit();
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}
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}
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double StretchAudioSource::getDryPlayrate() const
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{
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return m_dryplayrate;
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}
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void StretchAudioSource::getNextAudioBlock(const AudioSourceChannelInfo & bufferToFill)
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{
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ScopedLock locker(m_cs);
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if (m_preview_dry == true && m_inputfile!=nullptr && m_inputfile->info.nsamples>0)
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{
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playDrySound(bufferToFill);
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return;
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}
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double maingain = Decibels::decibelsToGain(m_main_volume);
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if (m_pause_state == 2)
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{
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bufferToFill.buffer->clear(bufferToFill.startSample,bufferToFill.numSamples);
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return;
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}
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if (m_stretchoutringbuf.available() > 0)
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m_output_has_begun = true;
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bool freezing = m_freezing;
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if (m_stretchers[0]->isFreezing() != freezing)
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{
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if (freezing == true && m_inputfile!=nullptr)
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m_freeze_pos = 1.0/m_inputfile->info.nsamples*m_inputfile->getCurrentPosition();
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for (auto& e : m_stretchers)
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{
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e->set_freezing(freezing);
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}
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}
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if (m_vol_smoother.getTargetValue() != maingain)
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m_vol_smoother.setValue(maingain);
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FloatVectorOperations::disableDenormalisedNumberSupport();
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float** outarrays = bufferToFill.buffer->getArrayOfWritePointers();
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int outbufchans = m_num_outchans; // bufferToFill.buffer->getNumChannels();
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int offset = bufferToFill.startSample;
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if (m_stretchers.size() == 0)
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return;
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if (m_inputfile == nullptr)
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return;
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if (m_inputfile->info.nsamples == 0)
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return;
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m_inputfile->setXFadeLenSeconds(m_loopxfadelen);
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double silencethreshold = Decibels::decibelsToGain(-70.0);
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auto ringbuffilltask = [this](int framestoproduce)
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{
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while (m_stretchoutringbuf.available() < framestoproduce*m_num_outchans)
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{
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int readsize = 0;
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double in_pos = (double)m_inputfile->getCurrentPosition() / (double)m_inputfile->info.nsamples;
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if (m_firstbuffer)
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{
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readsize = m_stretchers[0]->get_nsamples_for_fill();
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m_firstbuffer = false;
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}
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else
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{
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readsize = m_stretchers[0]->get_nsamples(in_pos*100.0);
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};
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int readed = 0;
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if (readsize != 0)
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{
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m_last_filepos = m_inputfile->getCurrentPosition();
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readed = m_inputfile->readNextBlock(m_file_inbuf, readsize, m_num_outchans);
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}
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if (m_rand_count % (int)m_free_filter_envelope->m_transform_y_random_rate == 0)
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{
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m_free_filter_envelope->updateRandomState();
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}
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++m_rand_count;
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auto inbufptrs = m_file_inbuf.getArrayOfWritePointers();
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REALTYPE onset_max = std::numeric_limits<REALTYPE>::min();
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#ifdef USE_PPL_TO_PROCESS_STRETCHERS
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std::array<REALTYPE, 16> onset_values_arr;
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Concurrency::parallel_for(0, (int)m_stretchers.size(), [this, readed, &onset_values_arr](int i)
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{
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REALTYPE onset_val = m_stretchers[i]->process(m_inbufs[i].data(), readed);
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onset_values_arr[i] = onset_val;
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});
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for (int i = 0; i < m_stretchers.size(); ++i)
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onset_max = std::max(onset_max, onset_values_arr[i]);
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#else
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for (int i = 0; i < m_stretchers.size(); ++i)
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{
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REALTYPE onset_l = m_stretchers[i]->process(inbufptrs[i], readed);
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onset_max = std::max(onset_max, onset_l);
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}
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#endif
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for (int i = 0; i < m_stretchers.size(); ++i)
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m_stretchers[i]->here_is_onset(onset_max);
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int outbufsize = m_stretchers[0]->get_bufsize();
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int nskip = m_stretchers[0]->get_skip_nsamples();
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if (nskip > 0)
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m_inputfile->skip(nskip);
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for (int i = 0; i < outbufsize; i++)
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{
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for (int ch = 0; ch < m_num_outchans; ++ch)
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{
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REALTYPE outsa = m_stretchers[ch]->out_buf[i];
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m_stretchoutringbuf.push(outsa);
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}
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}
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}
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};
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int previousxfadestate = m_xfadetask.state;
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auto resamplertask = [this, &ringbuffilltask, &bufferToFill]()
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{
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double* rsinbuf = nullptr;
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int outsamplestoproduce = bufferToFill.numSamples;
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if (m_xfadetask.state == 1)
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outsamplestoproduce = m_xfadetask.xfade_len;
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int wanted = m_resampler->ResamplePrepare(outsamplestoproduce, m_num_outchans, &rsinbuf);
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ringbuffilltask(wanted);
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for (int i = 0; i < wanted*m_num_outchans; ++i)
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{
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double sample = m_stretchoutringbuf.get();
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rsinbuf[i] = sample;
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}
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if (outsamplestoproduce*m_num_outchans > m_resampler_outbuf.size())
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{
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m_resampler_outbuf.resize(outsamplestoproduce*m_num_outchans);
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}
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/*int produced =*/ m_resampler->ResampleOut(m_resampler_outbuf.data(), wanted, outsamplestoproduce, m_num_outchans);
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if (m_xfadetask.state == 1)
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{
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//Logger::writeToLog("Filling xfade buffer");
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for (int i = 0; i < outsamplestoproduce; ++i)
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{
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for (int j = 0; j < m_num_outchans; ++j)
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{
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m_xfadetask.buffer.setSample(j, i, m_resampler_outbuf[i*m_num_outchans + j]);
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}
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}
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if (m_process_fftsize != m_xfadetask.requested_fft_size)
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{
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m_process_fftsize = m_xfadetask.requested_fft_size;
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//Logger::writeToLog("Initing stretcher objects");
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initObjects();
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}
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m_xfadetask.state = 2;
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}
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};
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resamplertask();
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if (previousxfadestate == 1 && m_xfadetask.state == 2)
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{
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//Logger::writeToLog("Rerunning resampler task");
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resamplertask();
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}
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bool source_ended = m_inputfile->hasEnded();
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double samplelimit = 16384.0;
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if (m_clip_output == true)
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samplelimit = 1.0;
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for (int i = 0; i < bufferToFill.numSamples; ++i)
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{
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double smoothed_gain = m_vol_smoother.getNextValue();
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double mixed = 0.0;
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for (int j = 0; j < outbufchans; ++j)
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{
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double outsample = m_resampler_outbuf[i*m_num_outchans + j];
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if (m_xfadetask.state == 2)
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{
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double xfadegain = 1.0 / m_xfadetask.xfade_len*m_xfadetask.counter;
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jassert(xfadegain >= 0.0 && xfadegain <= 1.0);
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double outsample2 = m_xfadetask.buffer.getSample(j, m_xfadetask.counter);
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outsample = xfadegain * outsample + (1.0 - xfadegain)*outsample2;
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}
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outarrays[j][i + offset] = jlimit(-samplelimit,samplelimit , outsample * smoothed_gain);
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mixed += outsample;
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}
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if (m_xfadetask.state == 2)
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{
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++m_xfadetask.counter;
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if (m_xfadetask.counter >= m_xfadetask.xfade_len)
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m_xfadetask.state = 0;
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}
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if (source_ended && m_output_counter>=2*m_process_fftsize)
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{
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if (fabs(mixed) < silencethreshold)
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++m_output_silence_counter;
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else
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m_output_silence_counter = 0;
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}
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}
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if (m_pause_state == 1)
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{
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bufferToFill.buffer->applyGainRamp(bufferToFill.startSample, bufferToFill.numSamples, 1.0f, 0.0f);
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m_pause_state = 2;
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}
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if (m_pause_state == 3)
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{
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bufferToFill.buffer->applyGainRamp(bufferToFill.startSample, bufferToFill.numSamples, 0.0f, 1.0f);
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m_pause_state = 0;
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}
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m_output_counter += bufferToFill.numSamples;
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}
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void StretchAudioSource::setNextReadPosition(int64 /*newPosition*/)
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{
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}
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int64 StretchAudioSource::getNextReadPosition() const
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{
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return int64();
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}
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int64 StretchAudioSource::getTotalLength() const
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{
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if (m_inputfile == nullptr)
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return 0;
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return m_inputfile->info.nsamples;
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}
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bool StretchAudioSource::isLooping() const
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{
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return false;
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}
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String StretchAudioSource::setAudioFile(File file)
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{
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ScopedLock locker(m_cs);
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if (m_inputfile->openAudioFile(file))
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{
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m_curfile = file;
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m_firstbuffer = true;
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return String();
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}
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return "Could not open file";
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}
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File StretchAudioSource::getAudioFile()
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{
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return m_curfile;
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}
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void StretchAudioSource::setNumOutChannels(int chans)
|
|
{
|
|
jassert(chans > 0 && chans < g_maxnumoutchans);
|
|
m_num_outchans = chans;
|
|
}
|
|
|
|
void StretchAudioSource::initObjects()
|
|
{
|
|
ScopedLock locker(m_cs);
|
|
m_inputfile->setActiveRange(m_playrange);
|
|
if (m_inputfile->getActiveRange().contains(m_inputfile->getCurrentPositionPercent())==false)
|
|
m_inputfile->seek(m_playrange.getStart(), true);
|
|
|
|
m_firstbuffer = true;
|
|
if (m_stretchoutringbuf.getSize() < m_num_outchans*m_process_fftsize)
|
|
{
|
|
int newsize = m_num_outchans*m_process_fftsize*2;
|
|
//Logger::writeToLog("Resizing circular buffer to " + String(newsize));
|
|
m_stretchoutringbuf.resize(newsize);
|
|
}
|
|
m_stretchoutringbuf.clear();
|
|
m_resampler->Reset();
|
|
m_resampler->SetRates(m_inputfile->info.samplerate, m_outsr);
|
|
REALTYPE stretchratio = m_playrate;
|
|
FFTWindow windowtype = W_HAMMING;
|
|
if (m_fft_window_type>=0)
|
|
windowtype = (FFTWindow)m_fft_window_type;
|
|
int inbufsize = m_process_fftsize;
|
|
double onsetsens = m_onsetdetection;
|
|
m_stretchers.resize(m_num_outchans);
|
|
for (int i = 0; i < m_stretchers.size(); ++i)
|
|
{
|
|
if (m_stretchers[i] == nullptr)
|
|
{
|
|
//Logger::writeToLog("Creating stretch instance " + String(i));
|
|
m_stretchers[i] = std::make_shared<ProcessedStretch>(stretchratio,
|
|
m_process_fftsize, windowtype, false, (float)m_inputfile->info.samplerate, i + 1);
|
|
}
|
|
m_stretchers[i]->setBufferSize(m_process_fftsize);
|
|
m_stretchers[i]->setSampleRate(m_inputfile->info.samplerate);
|
|
m_stretchers[i]->set_onset_detection_sensitivity(onsetsens);
|
|
m_stretchers[i]->set_parameters(&m_ppar);
|
|
m_stretchers[i]->set_freezing(m_freezing);
|
|
m_stretchers[i]->setFreeFilterEnvelope(m_free_filter_envelope);
|
|
fill_container(m_stretchers[i]->out_buf, 0.0f);
|
|
m_stretchers[i]->m_spectrum_processes = m_specproc_order;
|
|
}
|
|
m_file_inbuf.setSize(m_num_outchans, 3 * inbufsize);
|
|
}
|
|
|
|
void StretchAudioSource::playDrySound(const AudioSourceChannelInfo & bufferToFill)
|
|
{
|
|
double maingain = Decibels::decibelsToGain(m_main_volume);
|
|
m_inputfile->setXFadeLenSeconds(m_loopxfadelen);
|
|
double* rsinbuf = nullptr;
|
|
m_resampler->SetRates(m_inputfile->info.samplerate*m_dryplayrate, m_outsr);
|
|
int wanted = m_resampler->ResamplePrepare(bufferToFill.numSamples, m_num_outchans, &rsinbuf);
|
|
m_inputfile->readNextBlock(m_drypreviewbuf, wanted, m_num_outchans);
|
|
for (int i = 0; i < wanted; ++i)
|
|
for (int j = 0; j < m_num_outchans; ++j)
|
|
rsinbuf[i*m_num_outchans + j] = m_drypreviewbuf.getSample(j, i);
|
|
m_resampler->ResampleOut(m_resampler_outbuf.data(), wanted, bufferToFill.numSamples, m_num_outchans);
|
|
for (int i = 0; i < m_num_outchans; ++i)
|
|
for (int j = 0; j < bufferToFill.numSamples; ++j)
|
|
bufferToFill.buffer->setSample(i, j + bufferToFill.startSample, maingain * m_resampler_outbuf[j*m_num_outchans + i]);
|
|
}
|
|
|
|
double StretchAudioSource::getInfilePositionPercent()
|
|
{
|
|
if (m_inputfile == nullptr || m_inputfile->info.nsamples == 0)
|
|
return 0.0;
|
|
return 1.0/m_inputfile->info.nsamples*m_inputfile->getCurrentPosition();
|
|
}
|
|
|
|
double StretchAudioSource::getInfilePositionSeconds()
|
|
{
|
|
if (m_inputfile == nullptr || m_inputfile->info.nsamples == 0)
|
|
return 0.0;
|
|
//return m_lastinpos*m_inputfile->getLengthSeconds();
|
|
return (double)m_inputfile->getCurrentPosition() / m_inputfile->info.samplerate;
|
|
}
|
|
|
|
double StretchAudioSource::getInfileLengthSeconds()
|
|
{
|
|
if (m_inputfile == nullptr || m_inputfile->info.nsamples == 0)
|
|
return 0.0;
|
|
return (double)m_inputfile->info.nsamples / m_inputfile->info.samplerate;
|
|
}
|
|
|
|
void StretchAudioSource::setRate(double rate)
|
|
{
|
|
if (rate == m_playrate)
|
|
return;
|
|
if (m_cs.tryEnter())
|
|
{
|
|
m_playrate = rate;
|
|
for (int i = 0; i < m_stretchers.size(); ++i)
|
|
{
|
|
m_stretchers[i]->set_rap((float)rate);
|
|
}
|
|
++m_param_change_count;
|
|
m_cs.exit();
|
|
}
|
|
}
|
|
|
|
void StretchAudioSource::setProcessParameters(ProcessParameters * pars)
|
|
{
|
|
if (*pars == m_ppar)
|
|
return;
|
|
if (m_cs.tryEnter())
|
|
{
|
|
m_ppar = *pars;
|
|
for (int i = 0; i < m_stretchers.size(); ++i)
|
|
{
|
|
m_stretchers[i]->set_parameters(pars);
|
|
}
|
|
++m_param_change_count;
|
|
m_cs.exit();
|
|
}
|
|
}
|
|
|
|
const ProcessParameters& StretchAudioSource::getProcessParameters()
|
|
{
|
|
return m_ppar;
|
|
}
|
|
|
|
void StretchAudioSource::setFFTWindowingType(int windowtype)
|
|
{
|
|
if (windowtype==m_fft_window_type)
|
|
return;
|
|
if (m_cs.tryEnter())
|
|
{
|
|
m_fft_window_type = windowtype;
|
|
for (int i = 0; i < m_stretchers.size(); ++i)
|
|
{
|
|
m_stretchers[i]->window_type = (FFTWindow)windowtype;
|
|
}
|
|
++m_param_change_count;
|
|
m_cs.exit();
|
|
}
|
|
}
|
|
|
|
void StretchAudioSource::setFFTSize(int size)
|
|
{
|
|
jassert(size>0);
|
|
if (m_xfadetask.state == 0 && (m_process_fftsize == 0 || size != m_process_fftsize))
|
|
{
|
|
ScopedLock locker(m_cs);
|
|
if (m_xfadetask.buffer.getNumChannels() < m_num_outchans)
|
|
{
|
|
m_xfadetask.buffer.setSize(m_num_outchans, m_xfadetask.buffer.getNumSamples());
|
|
|
|
}
|
|
if (m_process_fftsize > 0)
|
|
{
|
|
m_xfadetask.state = 1;
|
|
m_xfadetask.counter = 0;
|
|
m_xfadetask.xfade_len = 16384;
|
|
m_xfadetask.requested_fft_size = size;
|
|
}
|
|
else
|
|
{
|
|
m_process_fftsize = size;
|
|
initObjects();
|
|
}
|
|
|
|
++m_param_change_count;
|
|
}
|
|
}
|
|
|
|
void StretchAudioSource::setPaused(bool b)
|
|
{
|
|
if (b == true && m_pause_state>0)
|
|
return;
|
|
if (b == false && m_pause_state == 0)
|
|
return;
|
|
ScopedLock locker(m_cs);
|
|
if (b == true && m_pause_state == 0)
|
|
{
|
|
m_pause_state = 1;
|
|
return;
|
|
}
|
|
if (b == false && m_pause_state == 2)
|
|
{
|
|
m_pause_state = 3;
|
|
return;
|
|
}
|
|
}
|
|
|
|
bool StretchAudioSource::isPaused() const
|
|
{
|
|
return m_pause_state > 0;
|
|
}
|
|
|
|
void StretchAudioSource::seekPercent(double pos)
|
|
{
|
|
ScopedLock locker(m_cs);
|
|
m_seekpos = pos;
|
|
//m_firstbuffer = true;
|
|
//m_resampler->Reset();
|
|
m_inputfile->seek(pos, true);
|
|
++m_param_change_count;
|
|
}
|
|
|
|
double StretchAudioSource::getOutputDurationSecondsForRange(Range<double> range, int fftsize)
|
|
{
|
|
if (m_inputfile == nullptr || m_inputfile->info.nsamples == 0)
|
|
return 0.0;
|
|
if (m_preview_dry==true)
|
|
return (double)range.getLength()*m_inputfile->info.nsamples/m_inputfile->info.samplerate;
|
|
int64_t play_end_pos = (fftsize * 2)+range.getLength()*m_playrate*m_inputfile->info.nsamples;
|
|
return (double)play_end_pos / m_inputfile->info.samplerate;
|
|
}
|
|
|
|
void StretchAudioSource::setOnsetDetection(double x)
|
|
{
|
|
if (x == m_onsetdetection)
|
|
return;
|
|
if (m_cs.tryEnter())
|
|
{
|
|
m_onsetdetection = x;
|
|
for (int i = 0; i < m_stretchers.size(); ++i)
|
|
{
|
|
m_stretchers[i]->set_onset_detection_sensitivity((float)x);
|
|
}
|
|
++m_param_change_count;
|
|
m_cs.exit();
|
|
}
|
|
}
|
|
|
|
void StretchAudioSource::setPlayRange(Range<double> playrange)
|
|
{
|
|
if (playrange == m_playrange || playrange == m_inputfile->getActiveRange())
|
|
return;
|
|
if (m_cs.tryEnter())
|
|
{
|
|
if (playrange.isEmpty())
|
|
m_playrange = { 0.0,1.0 };
|
|
else
|
|
m_playrange = playrange;
|
|
m_stream_end_reached = false;
|
|
m_inputfile->setActiveRange(m_playrange);
|
|
|
|
//if (m_playrange.contains(m_seekpos) == false)
|
|
// m_inputfile->seek(m_playrange.getStart());
|
|
m_seekpos = m_playrange.getStart();
|
|
++m_param_change_count;
|
|
m_cs.exit();
|
|
}
|
|
}
|
|
|
|
bool StretchAudioSource::isLoopEnabled()
|
|
{
|
|
if (m_inputfile == nullptr)
|
|
return false;
|
|
return m_inputfile->isLooping();
|
|
}
|
|
|
|
bool StretchAudioSource::hasReachedEnd()
|
|
{
|
|
if (m_inputfile == nullptr)
|
|
return false;
|
|
if (m_inputfile->isLooping() && m_maxloops == 0)
|
|
return false;
|
|
if (m_inputfile->isLooping() && m_inputfile->getLoopCount() > m_maxloops)
|
|
return true;
|
|
//return m_output_counter>=m_process_fftsize*2;
|
|
return m_output_silence_counter>=65536;
|
|
}
|