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optimisation from Claude - fixes: #27

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This commit is contained in:
Dave Griffiths 2022-10-20 21:15:27 +01:00
parent 385563e64e
commit 46ab0a131a
2 changed files with 2 additions and 0 deletions
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1
brain/src/block.cpp
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@ -112,6 +112,7 @@ void block::process(const sample &pcm, sample &fft, sample &mfcc, float &freq) {
// calculate fft
std::vector<std::complex<double> > mfspec;
mfspec.reserve(m_block_size);
for (u32 i=0; i<m_block_size; ++i) {
mfspec.push_back(std::complex<double>(m_fftw->m_spectrum[i][0],
m_fftw->m_spectrum[i][1]));

1
brain/src/block_stream.cpp
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@ -79,6 +79,7 @@ void block_stream::init(u32 block_size, u32 overlap, window::type t, bool ditchp
m_window.set_current_type(t);
m_blocks.clear();
m_blocks.reserve(MAX_BLOCKS);
sample dummy(block_size);
for (u32 i=0; i<MAX_BLOCKS; i++) {
m_blocks.push_back(block(0,"dummy",dummy,44100,m_window));