Mercurial > hg > svcore
comparison data/model/FFTModel.h @ 1094:b386363ff6c8 simple-fft-model
A small cache for source samples
author | Chris Cannam |
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date | Fri, 12 Jun 2015 19:18:56 +0100 |
parents | 44b079427b36 |
children | b66734b5f806 |
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1093:44b079427b36 | 1094:b386363ff6c8 |
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166 return { startFrame, endFrame }; | 166 return { startFrame, endFrame }; |
167 } | 167 } |
168 | 168 |
169 std::vector<std::complex<float> > getFFTColumn(int column) const; | 169 std::vector<std::complex<float> > getFFTColumn(int column) const; |
170 std::vector<float> getSourceSamples(int column) const; | 170 std::vector<float> getSourceSamples(int column) const; |
171 std::vector<float> getSourceData(std::pair<sv_frame_t, sv_frame_t>) const; | |
171 | 172 |
173 struct SavedSourceData { | |
174 std::pair<sv_frame_t, sv_frame_t> range; | |
175 std::vector<float> data; | |
176 }; | |
177 mutable SavedSourceData m_savedData; | |
178 | |
172 struct SavedColumn { | 179 struct SavedColumn { |
173 int n; | 180 int n; |
174 std::vector<std::complex<float> > col; | 181 std::vector<std::complex<float> > col; |
175 }; | 182 }; |
176 | |
177 mutable std::deque<SavedColumn> m_cached; | 183 mutable std::deque<SavedColumn> m_cached; |
178 size_t m_cacheSize; | 184 size_t m_cacheSize; |
179 | 185 |
180 //!!! also optionally cache polar? | 186 //!!! also optionally cache polar? |
181 }; | 187 }; |