allanger/paulxstretch
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Rewriting of the offline rendering code

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This commit is contained in:
xenakios 2018-07-09 20:21:06 +03:00
parent d4bab26693
commit c1901c0528
1 changed files with 11 additions and 28 deletions
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39
Source/PluginProcessor.cpp
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@ -465,34 +465,16 @@ void PaulstretchpluginAudioProcessor::updateStretchParametersFromPluginParameter
String PaulstretchpluginAudioProcessor::offlineRender(File outputfile)
{
File outputfiletouse = outputfile.getNonexistentSibling();
int numoutchans = *getIntParameter(cpi_num_outchans);
auto ss = std::make_shared<StretchAudioSource>(numoutchans,m_afm,m_sm_enab_pars);
shared_envelope free_env = m_free_filter_envelope->duplicate();
ss->setFreeFilterEnvelope(free_env);
ValueTree state = getStateTree(false, false);
auto processor = std::make_shared<PaulstretchpluginAudioProcessor>();
processor->setStateFromTree(state);
int blocksize = 2048;
ss->setAudioFile(m_current_file);
ProcessParameters renderpars;
updateStretchParametersFromPluginParameters(renderpars);
ss->setProcessParameters(&renderpars);
double t0 = *getFloatParameter(cpi_soundstart);
double t1 = *getFloatParameter(cpi_soundend);
int numoutchans = *processor->getIntParameter(cpi_num_outchans);
processor->prepareToPlay(44100.0, blocksize);
double t0 = *processor->getFloatParameter(cpi_soundstart);
double t1 = *processor->getFloatParameter(cpi_soundend);
sanitizeTimeRange(t0, t1);
ss->setRate(*getFloatParameter(cpi_stretchamount));
ss->setPlayRange({ t0,t1 });
ss->setLoopingEnabled(true);
ss->setNumOutChannels(numoutchans);
ss->setFFTWindowingType(1);
//ss->setPreviewDry(true);
ss->setOnsetDetection(*getFloatParameter(cpi_onsetdetection));
ss->setLoopXFadeLength(*getFloatParameter(cpi_loopxfadelen));
ss->setFreezing(getParameter(cpi_freeze));
ss->setPaused(getParameter(cpi_pause_enabled));
ss->setSpectrumProcessOrder(m_stretch_source->getSpectrumProcessOrder());
ss->setFFTSize(m_fft_size_to_use);
ss->setMainVolume(*getFloatParameter(cpi_main_volume));
double outsr = getSampleRateChecked();
ss->prepareToPlay(blocksize, outsr);
double outsr = processor->getSampleRateChecked();
WavAudioFormat wavformat;
FileOutputStream* outstream = outputfiletouse.createOutputStream();
if (outstream == nullptr)
@ -503,9 +485,10 @@ String PaulstretchpluginAudioProcessor::offlineRender(File outputfile)
delete outstream;
return "Could not create WAV writer";
}
auto rendertask = [ss,writer,blocksize,numoutchans, outsr, this]()
auto rendertask = [processor,writer,blocksize,numoutchans, outsr, this]()
{
AudioBuffer<float> renderbuffer(numoutchans, blocksize);
MidiBuffer dummymidi;
int64_t outlen = 10 * outsr;
int64_t outcounter = 0;
AudioSourceChannelInfo asci(renderbuffer);
@ -515,7 +498,7 @@ String PaulstretchpluginAudioProcessor::offlineRender(File outputfile)
{
if (m_offline_render_cancel_requested == true)
break;
ss->getNextAudioBlock(asci);
processor->processBlock(renderbuffer, dummymidi);
writer->writeFromAudioSampleBuffer(renderbuffer, 0, blocksize);
outcounter += blocksize;
m_offline_render_state = 100.0 / outlen * outcounter;