To check out this repository please hg clone the following URL, or open the URL using EasyMercurial or your preferred Mercurial client.
root / test / TestNoteHypothesis.cpp @ 62:7c463642a0a7
History | View | Annotate | Download (12.8 KB)
| 1 |
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
|
|---|---|
| 2 |
/*
|
| 3 |
This file is Copyright (c) 2012 Chris Cannam
|
| 4 |
|
| 5 |
Permission is hereby granted, free of charge, to any person
|
| 6 |
obtaining a copy of this software and associated documentation
|
| 7 |
files (the "Software"), to deal in the Software without
|
| 8 |
restriction, including without limitation the rights to use, copy,
|
| 9 |
modify, merge, publish, distribute, sublicense, and/or sell copies
|
| 10 |
of the Software, and to permit persons to whom the Software is
|
| 11 |
furnished to do so, subject to the following conditions:
|
| 12 |
|
| 13 |
The above copyright notice and this permission notice shall be
|
| 14 |
included in all copies or substantial portions of the Software.
|
| 15 |
|
| 16 |
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
| 17 |
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
| 18 |
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
| 19 |
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
|
| 20 |
ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
|
| 21 |
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
| 22 |
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
| 23 |
*/
|
| 24 |
|
| 25 |
#include "NoteHypothesis.h" |
| 26 |
|
| 27 |
std::ostream &operator<<(std::ostream &out, const NoteHypothesis::Estimate &n) |
| 28 |
{
|
| 29 |
return out << "[" << n.freq << "@" << n.time << ":" << n.confidence << "]" << std::endl; |
| 30 |
} |
| 31 |
|
| 32 |
std::ostream &operator<<(std::ostream &out, const NoteHypothesis::Estimates &e) |
| 33 |
{
|
| 34 |
out << "( ";
|
| 35 |
for (int i = 0; i < (int)e.size(); ++i) out << e[i] << "; "; |
| 36 |
out << " )";
|
| 37 |
return out;
|
| 38 |
} |
| 39 |
|
| 40 |
std::ostream &operator<<(std::ostream &out, const NoteHypothesis::Note &n) |
| 41 |
{
|
| 42 |
return out << "[" << n.freq << "@" << n.time << ":" << n.duration << "]" << std::endl; |
| 43 |
} |
| 44 |
|
| 45 |
#define BOOST_TEST_DYN_LINK
|
| 46 |
#define BOOST_TEST_MAIN
|
| 47 |
|
| 48 |
#include <boost/test/unit_test.hpp> |
| 49 |
|
| 50 |
using Vamp::RealTime;
|
| 51 |
|
| 52 |
BOOST_AUTO_TEST_SUITE(TestNoteHypothesis) |
| 53 |
|
| 54 |
BOOST_AUTO_TEST_CASE(emptyAccept) |
| 55 |
{
|
| 56 |
// An empty hypothesis should accept any estimate with a
|
| 57 |
// non-negligible confidence, and enter provisional state
|
| 58 |
NoteHypothesis h; |
| 59 |
NoteHypothesis::Estimate e; // default estimate has confidence 1
|
| 60 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::New); |
| 61 |
BOOST_CHECK(h.accept(e)); |
| 62 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 63 |
} |
| 64 |
|
| 65 |
BOOST_AUTO_TEST_CASE(noConfidence) |
| 66 |
{
|
| 67 |
// A hypothesis should reject any estimate that has a negligible
|
| 68 |
// confidence
|
| 69 |
NoteHypothesis h; |
| 70 |
NoteHypothesis::Estimate e; |
| 71 |
e.confidence = 0;
|
| 72 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::New); |
| 73 |
BOOST_CHECK(!h.accept(e)); |
| 74 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Rejected); |
| 75 |
} |
| 76 |
|
| 77 |
BOOST_AUTO_TEST_CASE(noConfidenceIgnore) |
| 78 |
{
|
| 79 |
// But if we're already in process we don't go to rejected state,
|
| 80 |
// we just ignore this hypothesis
|
| 81 |
NoteHypothesis h; |
| 82 |
NoteHypothesis::Estimate e; |
| 83 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::New); |
| 84 |
BOOST_CHECK(h.accept(e)); |
| 85 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 86 |
e.confidence = 0;
|
| 87 |
BOOST_CHECK(!h.accept(e)); |
| 88 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 89 |
} |
| 90 |
|
| 91 |
BOOST_AUTO_TEST_CASE(tooSlow) |
| 92 |
{
|
| 93 |
// Having accepted a first estimate, a hypothesis should reject a
|
| 94 |
// second (and enter rejected state) if there is too long a gap
|
| 95 |
// between them for them to belong to a single note
|
| 96 |
NoteHypothesis h; |
| 97 |
NoteHypothesis::Estimate e1(500, RealTime::fromMilliseconds(0), 1); |
| 98 |
NoteHypothesis::Estimate e2(500, RealTime::fromMilliseconds(50), 1); |
| 99 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::New); |
| 100 |
BOOST_CHECK(h.accept(e1)); |
| 101 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 102 |
BOOST_CHECK(!h.accept(e2)); |
| 103 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Rejected); |
| 104 |
} |
| 105 |
|
| 106 |
BOOST_AUTO_TEST_CASE(simpleSatisfy) |
| 107 |
{
|
| 108 |
// A hypothesis should enter satisfied state after accepting three
|
| 109 |
// consistent estimates, and then remain satisfied while accepting
|
| 110 |
// further consistent estimates
|
| 111 |
NoteHypothesis h; |
| 112 |
NoteHypothesis::Estimate e1(500, RealTime::fromMilliseconds(0), 1); |
| 113 |
NoteHypothesis::Estimate e2(500, RealTime::fromMilliseconds(10), 1); |
| 114 |
NoteHypothesis::Estimate e3(500, RealTime::fromMilliseconds(20), 1); |
| 115 |
NoteHypothesis::Estimate e4(500, RealTime::fromMilliseconds(30), 1); |
| 116 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::New); |
| 117 |
BOOST_CHECK(h.accept(e1)); |
| 118 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 119 |
BOOST_CHECK(h.accept(e2)); |
| 120 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 121 |
BOOST_CHECK(h.accept(e3)); |
| 122 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Satisfied); |
| 123 |
BOOST_CHECK(h.accept(e4)); |
| 124 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Satisfied); |
| 125 |
} |
| 126 |
|
| 127 |
BOOST_AUTO_TEST_CASE(expiry) |
| 128 |
{
|
| 129 |
// A hypothesis that has been satisfied, but that is subsequently
|
| 130 |
// offered an estimate that follows too long a gap, should enter
|
| 131 |
// expired state rather than rejected state (showing that it has a
|
| 132 |
// valid note but that the note has apparently finished)
|
| 133 |
NoteHypothesis h; |
| 134 |
NoteHypothesis::Estimate e1(500, RealTime::fromMilliseconds(0), 1); |
| 135 |
NoteHypothesis::Estimate e2(500, RealTime::fromMilliseconds(10), 1); |
| 136 |
NoteHypothesis::Estimate e3(500, RealTime::fromMilliseconds(20), 1); |
| 137 |
NoteHypothesis::Estimate e4(500, RealTime::fromMilliseconds(30), 1); |
| 138 |
NoteHypothesis::Estimate e5(500, RealTime::fromMilliseconds(80), 1); |
| 139 |
NoteHypothesis::Estimate e6(500, RealTime::fromMilliseconds(90), 1); |
| 140 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::New); |
| 141 |
BOOST_CHECK(h.accept(e1)); |
| 142 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 143 |
BOOST_CHECK(h.accept(e2)); |
| 144 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 145 |
BOOST_CHECK(h.accept(e3)); |
| 146 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Satisfied); |
| 147 |
BOOST_CHECK(h.accept(e4)); |
| 148 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Satisfied); |
| 149 |
BOOST_CHECK(!h.accept(e5)); |
| 150 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Expired); |
| 151 |
BOOST_CHECK(!h.accept(e6)); |
| 152 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Expired); |
| 153 |
} |
| 154 |
|
| 155 |
BOOST_AUTO_TEST_CASE(strayReject1) |
| 156 |
{
|
| 157 |
// A wildly different frequency occurring in the middle of a
|
| 158 |
// provisionally accepted note should be ignored
|
| 159 |
NoteHypothesis h; |
| 160 |
NoteHypothesis::Estimate e1(500, RealTime::fromMilliseconds(0), 1); |
| 161 |
NoteHypothesis::Estimate e2(1000, RealTime::fromMilliseconds(10), 1); |
| 162 |
NoteHypothesis::Estimate e3(500, RealTime::fromMilliseconds(20), 1); |
| 163 |
NoteHypothesis::Estimate e4(500, RealTime::fromMilliseconds(30), 1); |
| 164 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::New); |
| 165 |
BOOST_CHECK(h.accept(e1)); |
| 166 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 167 |
BOOST_CHECK(!h.accept(e2)); |
| 168 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 169 |
BOOST_CHECK(h.accept(e3)); |
| 170 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 171 |
BOOST_CHECK(h.accept(e4)); |
| 172 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Satisfied); |
| 173 |
} |
| 174 |
|
| 175 |
BOOST_AUTO_TEST_CASE(strayReject2) |
| 176 |
{
|
| 177 |
// A wildly different frequency occurring in the middle of a
|
| 178 |
// satisfied note should be ignored
|
| 179 |
NoteHypothesis h; |
| 180 |
NoteHypothesis::Estimate e1(500, RealTime::fromMilliseconds(0), 1); |
| 181 |
NoteHypothesis::Estimate e2(500, RealTime::fromMilliseconds(10), 1); |
| 182 |
NoteHypothesis::Estimate e3(500, RealTime::fromMilliseconds(20), 1); |
| 183 |
NoteHypothesis::Estimate e4(1000, RealTime::fromMilliseconds(30), 1); |
| 184 |
NoteHypothesis::Estimate e5(500, RealTime::fromMilliseconds(40), 1); |
| 185 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::New); |
| 186 |
BOOST_CHECK(h.accept(e1)); |
| 187 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 188 |
BOOST_CHECK(h.accept(e2)); |
| 189 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 190 |
BOOST_CHECK(h.accept(e3)); |
| 191 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Satisfied); |
| 192 |
BOOST_CHECK(!h.accept(e4)); |
| 193 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Satisfied); |
| 194 |
BOOST_CHECK(h.accept(e5)); |
| 195 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Satisfied); |
| 196 |
} |
| 197 |
|
| 198 |
BOOST_AUTO_TEST_CASE(weakSatisfy) |
| 199 |
{
|
| 200 |
// Behaviour with slightly varying frequencies should be as for
|
| 201 |
// that with fixed frequency
|
| 202 |
NoteHypothesis h; |
| 203 |
NoteHypothesis::Estimate e1(500, RealTime::fromMilliseconds(0), 0.5); |
| 204 |
NoteHypothesis::Estimate e2(502, RealTime::fromMilliseconds(10), 0.5); |
| 205 |
NoteHypothesis::Estimate e3(504, RealTime::fromMilliseconds(20), 0.5); |
| 206 |
NoteHypothesis::Estimate e4(506, RealTime::fromMilliseconds(30), 0.5); |
| 207 |
NoteHypothesis::Estimate e5(508, RealTime::fromMilliseconds(40), 0.5); |
| 208 |
NoteHypothesis::Estimate e6(510, RealTime::fromMilliseconds(90), 0.5); |
| 209 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::New); |
| 210 |
BOOST_CHECK(h.accept(e1)); |
| 211 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 212 |
BOOST_CHECK(h.accept(e2)); |
| 213 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 214 |
BOOST_CHECK(h.accept(e3)); |
| 215 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 216 |
BOOST_CHECK(h.accept(e4)); |
| 217 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 218 |
BOOST_CHECK(h.accept(e5)); |
| 219 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Satisfied); |
| 220 |
BOOST_CHECK(!h.accept(e6)); |
| 221 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Expired); |
| 222 |
} |
| 223 |
|
| 224 |
BOOST_AUTO_TEST_CASE(frequencyRange) |
| 225 |
{
|
| 226 |
// But there's a limit: outside a certain range we should reject
|
| 227 |
//!!! (but what is this range? is it part of the spec?)
|
| 228 |
NoteHypothesis h; |
| 229 |
NoteHypothesis::Estimate e1(440, RealTime::fromMilliseconds(0), 1); |
| 230 |
NoteHypothesis::Estimate e2(448, RealTime::fromMilliseconds(10), 1); |
| 231 |
NoteHypothesis::Estimate e3(444, RealTime::fromMilliseconds(20), 1); |
| 232 |
NoteHypothesis::Estimate e4(470, RealTime::fromMilliseconds(30), 1); |
| 233 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::New); |
| 234 |
BOOST_CHECK(h.accept(e1)); |
| 235 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 236 |
BOOST_CHECK(h.accept(e2)); |
| 237 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 238 |
BOOST_CHECK(h.accept(e3)); |
| 239 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Satisfied); |
| 240 |
BOOST_CHECK(!h.accept(e4)); |
| 241 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Satisfied); |
| 242 |
} |
| 243 |
|
| 244 |
BOOST_AUTO_TEST_CASE(acceptedEstimates) |
| 245 |
{
|
| 246 |
// Check that getAcceptedEstimates() returns the right result
|
| 247 |
NoteHypothesis h; |
| 248 |
NoteHypothesis::Estimate e1(440, RealTime::fromMilliseconds(0), 1); |
| 249 |
NoteHypothesis::Estimate e2(448, RealTime::fromMilliseconds(10), 1); |
| 250 |
NoteHypothesis::Estimate e3(444, RealTime::fromMilliseconds(20), 1); |
| 251 |
NoteHypothesis::Estimate e4(470, RealTime::fromMilliseconds(30), 1); |
| 252 |
NoteHypothesis::Estimate e5(444, RealTime::fromMilliseconds(90), 1); |
| 253 |
NoteHypothesis::Estimates es; |
| 254 |
es.push_back(e1); |
| 255 |
es.push_back(e2); |
| 256 |
es.push_back(e3); |
| 257 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::New); |
| 258 |
BOOST_CHECK_EQUAL(h.getAcceptedEstimates(), NoteHypothesis::Estimates()); |
| 259 |
BOOST_CHECK(h.accept(e1)); |
| 260 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 261 |
BOOST_CHECK_EQUAL(h.getAcceptedEstimates(), NoteHypothesis::Estimates()); |
| 262 |
BOOST_CHECK(h.accept(e2)); |
| 263 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Provisional); |
| 264 |
BOOST_CHECK_EQUAL(h.getAcceptedEstimates(), NoteHypothesis::Estimates()); |
| 265 |
BOOST_CHECK(h.accept(e3)); |
| 266 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Satisfied); |
| 267 |
BOOST_CHECK_EQUAL(h.getAcceptedEstimates(), es); |
| 268 |
BOOST_CHECK(!h.accept(e4)); |
| 269 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Satisfied); |
| 270 |
BOOST_CHECK_EQUAL(h.getAcceptedEstimates(), es); |
| 271 |
BOOST_CHECK(!h.accept(e5)); |
| 272 |
BOOST_CHECK_EQUAL(h.getState(), NoteHypothesis::Expired); |
| 273 |
BOOST_CHECK_EQUAL(h.getAcceptedEstimates(), es); |
| 274 |
} |
| 275 |
|
| 276 |
BOOST_AUTO_TEST_CASE(meanFrequency) |
| 277 |
{
|
| 278 |
// Check that the mean frequency is the mean of the frequencies
|
| 279 |
NoteHypothesis h; |
| 280 |
NoteHypothesis::Estimate e1(440, RealTime::fromMilliseconds(0), 1); |
| 281 |
NoteHypothesis::Estimate e2(448, RealTime::fromMilliseconds(10), 1); |
| 282 |
NoteHypothesis::Estimate e3(444, RealTime::fromMilliseconds(20), 1); |
| 283 |
BOOST_CHECK(h.accept(e1)); |
| 284 |
BOOST_CHECK(h.accept(e2)); |
| 285 |
BOOST_CHECK(h.accept(e3)); |
| 286 |
BOOST_CHECK_EQUAL(h.getMeanFrequency(), 444.0); |
| 287 |
} |
| 288 |
|
| 289 |
BOOST_AUTO_TEST_CASE(averagedNote) |
| 290 |
{
|
| 291 |
// Check that getAveragedNote returns something sane
|
| 292 |
NoteHypothesis h; |
| 293 |
NoteHypothesis::Estimate e1(440, RealTime::fromMilliseconds(10), 1); |
| 294 |
NoteHypothesis::Estimate e2(448, RealTime::fromMilliseconds(20), 1); |
| 295 |
NoteHypothesis::Estimate e3(444, RealTime::fromMilliseconds(30), 1); |
| 296 |
BOOST_CHECK(h.accept(e1)); |
| 297 |
BOOST_CHECK(h.accept(e2)); |
| 298 |
BOOST_CHECK(h.accept(e3)); |
| 299 |
BOOST_CHECK_EQUAL(h.getAveragedNote(), NoteHypothesis::Note |
| 300 |
(444,
|
| 301 |
RealTime::fromMilliseconds(10),
|
| 302 |
RealTime::fromMilliseconds(20)));
|
| 303 |
} |
| 304 |
|
| 305 |
//!!! Not yet tested: Confidence scores
|
| 306 |
|
| 307 |
BOOST_AUTO_TEST_SUITE_END() |
| 308 |
|