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Add 'Linear' and 'ZOH' resampler options #149

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merged 1 commit into from
Jan 20, 2025
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Add 'Linear' and 'ZOH' resampler options #149

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4 changes: 3 additions & 1 deletion src/configuration.h
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,9 @@ enum ResamplerEngine
SRC_FAST,
SRC_MEDIUM,
SRC_BEST,
LANCZOS
LANCZOS,
LINTERP,
ZOH
};

} // namespace baconpaul::six_sines
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4 changes: 3 additions & 1 deletion src/synth/patch.h
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Expand Up @@ -1146,13 +1146,15 @@ struct Patch : pats::PatchBase<Patch, Param>
.withName(name() + " Resampler Engine")
.withGroupName(name())
.withDefault(ResamplerEngine::SRC_FAST)
.withRange(ResamplerEngine::SRC_FAST, ResamplerEngine::LANCZOS)
.withRange(ResamplerEngine::SRC_FAST, ResamplerEngine::ZOH)
.withID(id(41))
.withUnorderedMapFormatting({
{ResamplerEngine::SRC_FAST, "SRC Fast (rec)"},
{ResamplerEngine::SRC_MEDIUM, "SRC Medium"},
{ResamplerEngine::SRC_BEST, "SRC Expensive"},
{ResamplerEngine::LANCZOS, "Lanczos A=4"},
{ResamplerEngine::LINTERP, "Linear Interp"},
{ResamplerEngine::ZOH, "ZOH"},
})),
ModulationMixin(name(), id(120)),
modtarget(scpu::make_array_lambda<Param, numModsPer>(
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12 changes: 11 additions & 1 deletion src/synth/synth.cpp
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Expand Up @@ -122,11 +122,21 @@ void Synth::setSampleRate(double sampleRate)
SXSNLOG("Setting SRC Resampler - SRC_SINC_MEDIUM_QUALITY");
mode = SRC_SINC_MEDIUM_QUALITY;
}
if (resamplerEngine == SRC_BEST)
else if (resamplerEngine == SRC_BEST)
{
SXSNLOG("Setting SRC Resampler - SRC_SINC_BEST_QUALITY");
mode = SRC_SINC_BEST_QUALITY;
}
else if (resamplerEngine == LINTERP)
{
SXSNLOG("Setting SRC Resampler - SRC_LINEAR");
mode = SRC_LINEAR;
}
else if (resamplerEngine == ZOH)
{
SXSNLOG("Setting SRC Resampler - SRC_ZERO_ORDER_HOLD");
mode = SRC_ZERO_ORDER_HOLD;
}
else
{
SXSNLOG("Setting SRC Resampler - SRC_SINC_FASTEST");
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