37 template <
typename NumericType>
54 template <
typename SampleType>
61 using NumericType =
typename SampleTypeHelpers::ElementType<SampleType>::Type;
84 jassert (
spec.numChannels == 1);
102 memory.
malloc (1 + jmax (
newSize, size,
static_cast<size_t> (128)));
104 fifo = snapPointerToAlignment (memory.
getData(),
sizeof (SampleType));
108 for (
size_t i = 0; i < size; ++i)
109 fifo[i] = SampleType {0};
124 template <
typename ProcessContext>
127 static_assert (std::is_same<typename ProcessContext::SampleType, SampleType>::value,
128 "The sample-type of the FIR filter must match the sample-type supplied to this process callback");
131 auto&& inputBlock =
context.getInputBlock();
132 auto&& outputBlock =
context.getOutputBlock();
136 jassert (inputBlock.getNumChannels() == 1);
137 jassert (outputBlock.getNumChannels() == 1);
139 auto numSamples = inputBlock.getNumSamples();
140 auto*
src = inputBlock .getChannelPointer (0);
141 auto*
dst = outputBlock.getChannelPointer (0);
148 for (
size_t i = 0; i < numSamples; ++i)
150 fifo[p] =
dst[i] =
src[i];
151 p = (p == 0 ? size - 1 : p - 1);
156 for (
size_t i = 0; i < numSamples; ++i)
157 dst[i] = processSingleSample (
src[i], fifo,
fir, size, p);
170 return processSingleSample (
sample, fifo,
coefficients->getRawCoefficients(), size, pos);
176 SampleType* fifo =
nullptr;
177 size_t pos = 0, size = 0;
196 for (
k = 0;
k < m - p; ++
k)
199 for (
size_t j = 0;
j < p; ++
j)
202 p = (p == 0 ? m - 1 : p - 1);
208 JUCE_LEAK_DETECTOR (
Filter)
219 template <
typename NumericType>
255 size_t numSamples,
double sampleRate)
const noexcept;
266 size_t numSamples,
double sampleRate)
const noexcept;
int size() const noexcept
ElementType * begin() noexcept
ElementType * getRawDataPointer() noexcept
void resize(int targetNumItems)
void malloc(SizeType newNumElements, size_t elementSize=sizeof(ElementType))
ElementType * getData() const noexcept
Coefficients< NumericType >::Ptr coefficients
typename Coefficients< NumericType >::Ptr CoefficientsPtr
void process(const ProcessContext &context) noexcept
typename SampleTypeHelpers::ElementType< SampleType >::Type NumericType
SampleType JUCE_VECTOR_CALLTYPE processSample(SampleType sample) noexcept
Filter(CoefficientsPtr coefficientsToUse)
void prepare(const ProcessSpec &spec) noexcept
void normalise() noexcept
void getMagnitudeForFrequencyArray(double *frequencies, double *magnitudes, size_t numSamples, double sampleRate) const noexcept
size_t getFilterOrder() const noexcept
Coefficients(const NumericType *samples, size_t numSamples)
Coefficients(size_t size)
double getMagnitudeForFrequency(double frequency, double sampleRate) const noexcept
Array< NumericType > coefficients
double getPhaseForFrequency(double frequency, double sampleRate) const noexcept
NumericType * getRawCoefficients() noexcept
const NumericType * getRawCoefficients() const noexcept
void getPhaseForFrequencyArray(double *frequencies, double *phases, size_t numSamples, double sampleRate) const noexcept