audio/wavetable
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Use correct sample rate for generating wave tables

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This commit is contained in:
Roland Rabien 2023-08-25 14:43:55 -07:00
commit 134fe08983
3 changed files with 30 additions and 5 deletions
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2
modules/gin

@ -1 +1 @@
Subproject commit 07b7cc59960212fe8f4257212927697e0d1b3ce6
Subproject commit 39aa9c9bf5fc2427e41fad2f01ce3796be32172a

25
plugin/Source/PluginProcessor.cpp
View file

@ -334,7 +334,7 @@ void WavetableAudioProcessor::ReverbParams::setup (WavetableAudioProcessor& p)
mix = p.addExtParam ("rvbMix", "Mix", "", "", {0.0f, 1.0f, 0.0f, 1.0f}, 0.0f, 0.0f);
}
static void loadWaveTable (juce::OwnedArray<gin::BandLimitedLookupTable>& table, const juce::MemoryBlock& wav)
static void loadWaveTable (juce::OwnedArray<gin::BandLimitedLookupTable>& table, double sr, const juce::MemoryBlock& wav)
{
auto is = new juce::MemoryInputStream (wav, false);
if (auto reader = std::unique_ptr<juce::AudioFormatReader> (juce::WavAudioFormat().createReaderFor (is, true)))
@ -342,7 +342,7 @@ static void loadWaveTable (juce::OwnedArray<gin::BandLimitedLookupTable>& table,
juce::AudioSampleBuffer buf (1, int (reader->lengthInSamples));
reader->read (&buf, 0, int (reader->lengthInSamples), 0, true, false);
loadWavetables (table, buf, reader->sampleRate, gin::getWavetableSize (wav));
loadWavetables (table, sr, buf, reader->sampleRate, gin::getWavetableSize (wav));
}
}
@ -412,11 +412,28 @@ void WavetableAudioProcessor::reloadWavetables()
return {};
};
auto shouldLoad = [&] (int osc, const juce::String& name, double sr)
{
auto& v = curTables[osc];
if (v.name == name && gin::almostEqual (v.sampleRate, sr))
return false;
v.name = name;
v.sampleRate = sr;
return true;
};
auto sr = gin::Processor::getSampleRate();
if (sr == 0)
return;
if (auto mb = loadMemory (osc1Table.toString()); mb.getSize() > 0)
loadWaveTable (osc1Tables, mb);
if (shouldLoad (0, osc1Table.toString(), sr))
loadWaveTable (osc1Tables, sr, mb);
if (auto mb = loadMemory (osc2Table.toString()); mb.getSize() > 0)
loadWaveTable (osc2Tables, mb);
if (shouldLoad (1, osc2Table.toString(), sr))
loadWaveTable (osc2Tables, sr, mb);
}
void WavetableAudioProcessor::incWavetable (int osc, int delta)

8
plugin/Source/PluginProcessor.h
View file

@ -251,6 +251,14 @@ public:
juce::AudioPlayHead* playhead = nullptr;
struct CurTable
{
juce::String name;
double sampleRate = 0.0;
};
CurTable curTables[Cfg::numOSCs];
//==============================================================================
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (WavetableAudioProcessor)
};