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Demos: Update SIMDRegisterDemo to use new AudioData interleaving/deinterleaving helper methods

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ed 2021-10-01 16:55:30 +01:00
parent 52025f9756
commit de64263416
1 changed files with 35 additions and 17 deletions
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52
examples/DSP/SIMDRegisterDemo.h
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@ -53,6 +53,14 @@
using namespace dsp;
template <typename T>
static T* toBasePointer (SIMDRegister<T>* r) noexcept
{
return reinterpret_cast<T*> (r);
}
constexpr auto registerSize = dsp::SIMDRegister<float>::size();
//==============================================================================
struct SIMDRegisterDemoDSP
{
@ -73,33 +81,44 @@ struct SIMDRegisterDemoDSP
iir->prepare (monoSpec);
}
template <typename SampleType>
auto prepareChannelPointers (const AudioBlock<SampleType>& block)
{
std::array<SampleType*, registerSize> result {};
for (size_t ch = 0; ch < result.size(); ++ch)
result[ch] = (ch < block.getNumChannels() ? block.getChannelPointer (ch) : zero.getChannelPointer (ch));
return result;
}
void process (const ProcessContextReplacing<float>& context)
{
jassert (context.getInputBlock().getNumSamples() == context.getOutputBlock().getNumSamples());
jassert (context.getInputBlock().getNumChannels() == context.getOutputBlock().getNumChannels());
auto& input = context.getInputBlock();
auto& output = context.getOutputBlock();
auto n = (int) input.getNumSamples();
auto* inout = channelPointers.getData();
const auto& input = context.getInputBlock();
const auto numSamples = (int) input.getNumSamples();
for (size_t ch = 0; ch < SIMDRegister<float>::size(); ++ch)
inout[ch] = (ch < input.getNumChannels() ? const_cast<float*> (input.getChannelPointer (ch)) : zero.getChannelPointer (ch));
auto inChannels = prepareChannelPointers (input);
using DstSampleType = AudioData::Pointer<AudioData::Float32, AudioData::NativeEndian, AudioData::Interleaved, AudioData::NonConst>;
using SrcSampleType = AudioData::Pointer<AudioData::Float32, AudioData::NativeEndian, AudioData::NonInterleaved, AudioData::NonConst>;
DstSampleType dstData (interleaved.getChannelPointer (0), (int) interleaved.getNumChannels());
SrcSampleType srcData (inout);
dstData.convertSamples (srcData, n);
AudioData::interleaveSamples<AudioData::Float32, AudioData::NativeEndian,
AudioData::Float32, AudioData::NativeEndian> (inChannels.data(),
registerSize,
toBasePointer (interleaved.getChannelPointer (0)),
registerSize,
numSamples);
iir->process (ProcessContextReplacing<SIMDRegister<float>> (interleaved));
for (size_t ch = 0; ch < input.getNumChannels(); ++ch)
inout[ch] = output.getChannelPointer (ch);
auto outChannels = prepareChannelPointers (context.getOutputBlock());
srcData.convertSamples (dstData, n);
AudioData::deinterleaveSamples<AudioData::Float32, AudioData::NativeEndian,
AudioData::Float32, AudioData::NativeEndian> (toBasePointer (interleaved.getChannelPointer (0)),
registerSize,
outChannels.data(),
registerSize,
numSamples);
}
void reset()
@ -132,7 +151,6 @@ struct SIMDRegisterDemoDSP
AudioBlock<float> zero;
HeapBlock<char> interleavedBlockData, zeroData;
HeapBlock<const float*> channelPointers { SIMDRegister<float>::size() };
ChoiceParameter typeParam { { "Low-pass", "High-pass", "Band-pass" }, 1, "Type" };
SliderParameter cutoffParam { { 20.0, 20000.0 }, 0.5, 440.0f, "Cutoff", "Hz" };