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| 1 | 53:19c8c6ca4406 | Chris | /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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| 2 | /*
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| 3 | This file is Copyright (c) 2012 Chris Cannam
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| 4 | |||
| 5 | Permission is hereby granted, free of charge, to any person
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| 6 | obtaining a copy of this software and associated documentation
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| 7 | files (the "Software"), to deal in the Software without
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| 8 | restriction, including without limitation the rights to use, copy,
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| 9 | modify, merge, publish, distribute, sublicense, and/or sell copies
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| 10 | of the Software, and to permit persons to whom the Software is
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| 11 | furnished to do so, subject to the following conditions:
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| 12 | |||
| 13 | The above copyright notice and this permission notice shall be
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| 14 | included in all copies or substantial portions of the Software.
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| 15 | |||
| 16 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| 17 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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| 18 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| 19 | NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
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| 20 | ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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| 21 | CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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| 22 | WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 23 | */
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| 24 | |||
| 25 | #include "AgentFeeder.h" |
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| 26 | |||
| 27 | void AgentFeeder::feed(NoteHypothesis::Estimate e)
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| 28 | {
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| 29 | 54:751b43d119cf | Chris | if (m_haveCurrent) {
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| 30 | if (m_current.accept(e)) {
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| 31 | return;
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| 32 | } |
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| 33 | if (m_current.getState() == NoteHypothesis::Expired) {
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| 34 | m_accepted.push_back(m_current); |
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| 35 | m_haveCurrent = false;
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| 36 | } |
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| 37 | } |
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| 38 | 53:19c8c6ca4406 | Chris | |
| 39 | 54:751b43d119cf | Chris | bool swallowed = false; |
| 40 | 53:19c8c6ca4406 | Chris | |
| 41 | 54:751b43d119cf | Chris | Hypotheses newCandidates; |
| 42 | 53:19c8c6ca4406 | Chris | |
| 43 | 54:751b43d119cf | Chris | for (Hypotheses::iterator i = m_candidates.begin();
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| 44 | i != m_candidates.end(); ++i) {
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| 45 | |||
| 46 | NoteHypothesis h = *i; |
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| 47 | |||
| 48 | if (swallowed) {
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| 49 | |||
| 50 | // don't offer: each observation can only belong to one
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| 51 | // satisfied hypothesis
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| 52 | newCandidates.push_back(h); |
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| 53 | |||
| 54 | } else {
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| 55 | |||
| 56 | if (h.accept(e)) {
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| 57 | 53:19c8c6ca4406 | Chris | |
| 58 | 54:751b43d119cf | Chris | if (h.getState() == NoteHypothesis::Satisfied) {
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| 59 | |||
| 60 | swallowed = true;
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| 61 | |||
| 62 | if (!m_haveCurrent ||
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| 63 | m_current.getState() == NoteHypothesis::Expired || |
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| 64 | m_current.getState() == NoteHypothesis::Rejected) {
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| 65 | m_current = h; |
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| 66 | m_haveCurrent = true;
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| 67 | } else {
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| 68 | newCandidates.push_back(h); |
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| 69 | } |
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| 70 | |||
| 71 | } else {
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| 72 | newCandidates.push_back(h); |
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| 73 | } |
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| 74 | } |
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| 75 | } |
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| 76 | } |
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| 77 | |||
| 78 | if (!swallowed) {
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| 79 | 66:7ad142c710c6 | Chris | NoteHypothesis h(m_slack); |
| 80 | 54:751b43d119cf | Chris | if (h.accept(e)) {
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| 81 | newCandidates.push_back(h); |
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| 82 | } |
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| 83 | } |
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| 84 | |||
| 85 | m_candidates = reap(newCandidates); |
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| 86 | 53:19c8c6ca4406 | Chris | } |
| 87 | |||
| 88 | 54:751b43d119cf | Chris | AgentFeeder::Hypotheses |
| 89 | AgentFeeder::reap(Hypotheses candidates) |
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| 90 | {
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| 91 | // reap rejected/expired hypotheses from list of candidates
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| 92 | |||
| 93 | Hypotheses survived; |
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| 94 | for (Hypotheses::const_iterator i = candidates.begin();
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| 95 | i != candidates.end(); ++i) {
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| 96 | NoteHypothesis h = *i; |
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| 97 | if (h.getState() != NoteHypothesis::Rejected &&
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| 98 | h.getState() != NoteHypothesis::Expired) {
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| 99 | survived.push_back(h); |
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| 100 | } |
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| 101 | } |
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| 102 | |||
| 103 | return survived;
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| 104 | } |
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| 105 | |||
| 106 | 53:19c8c6ca4406 | Chris | void
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| 107 | AgentFeeder::finish() |
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| 108 | {
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| 109 | if (m_current.getState() == NoteHypothesis::Satisfied) {
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| 110 | m_accepted.push_back(m_current); |
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| 111 | } |
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| 112 | } |