Mercurial > hg > svcore
comparison data/model/FFTModel.cpp @ 533:55ad231c9db7
* try some qvectors
author | Chris Cannam |
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date | Thu, 22 Jan 2009 17:58:33 +0000 |
parents | 6066bde1c126 |
children | 408e56d30f58 |
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532:59dd6d1bcfb0 | 533:55ad231c9db7 |
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159 FFTModel::getSampleRate() const | 159 FFTModel::getSampleRate() const |
160 { | 160 { |
161 return isOK() ? m_server->getModel()->getSampleRate() : 0; | 161 return isOK() ? m_server->getModel()->getSampleRate() : 0; |
162 } | 162 } |
163 | 163 |
164 void | 164 FFTModel::Column |
165 FFTModel::getColumn(size_t x, Column &result) const | 165 FFTModel::getColumn(size_t x) const |
166 { | 166 { |
167 Profiler profiler("FFTModel::getColumn", false); | 167 Profiler profiler("FFTModel::getColumn", false); |
168 | |
169 Column result; | |
168 | 170 |
169 result.clear(); | 171 result.clear(); |
170 size_t h = getHeight(); | 172 size_t h = getHeight(); |
171 result.reserve(h); | 173 result.reserve(h); |
172 | 174 |
179 } | 181 } |
180 | 182 |
181 } else { | 183 } else { |
182 for (size_t i = 0; i < h; ++i) result.push_back(0.f); | 184 for (size_t i = 0; i < h; ++i) result.push_back(0.f); |
183 } | 185 } |
186 | |
187 return result; | |
184 } | 188 } |
185 | 189 |
186 QString | 190 QString |
187 FFTModel::getBinName(size_t n) const | 191 FFTModel::getBinName(size_t n) const |
188 { | 192 { |
259 ++i; | 263 ++i; |
260 } | 264 } |
261 return peaks; | 265 return peaks; |
262 } | 266 } |
263 | 267 |
264 getColumn(x, values); | 268 values = getColumn(x); |
265 | 269 |
266 float mean = 0.f; | 270 float mean = 0.f; |
267 for (int i =0; i < values.size(); ++i) mean += values[i]; | 271 for (int i =0; i < values.size(); ++i) mean += values[i]; |
268 if (values.size() >0) mean /= values.size(); | 272 if (values.size() >0) mean /= values.size(); |
269 | 273 |