Mercurial > hg > svcore
view data/model/AlignmentModel.cpp @ 1686:e73baeead27f single-point
Model deletion issues - the AlignmentModel doesn't actually need to know about the input aggregate model; the document should own it instead
author | Chris Cannam |
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date | Thu, 04 Apr 2019 11:15:43 +0100 |
parents | f97d64b8674f |
children | d08b560102a1 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2007 QMUL. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #include "AlignmentModel.h" #include "SparseTimeValueModel.h" //#define DEBUG_ALIGNMENT_MODEL 1 AlignmentModel::AlignmentModel(Model *reference, Model *aligned, SparseTimeValueModel *path) : m_reference(reference), m_aligned(aligned), m_rawPath(path), m_path(nullptr), m_reversePath(nullptr), m_pathBegun(false), m_pathComplete(false) { if (m_rawPath) { connect(m_rawPath, SIGNAL(modelChanged()), this, SLOT(pathChanged())); connect(m_rawPath, SIGNAL(modelChangedWithin(sv_frame_t, sv_frame_t)), this, SLOT(pathChangedWithin(sv_frame_t, sv_frame_t))); connect(m_rawPath, SIGNAL(completionChanged()), this, SLOT(pathCompletionChanged())); constructPath(); constructReversePath(); } if (m_rawPath && m_rawPath->isReady()) { pathCompletionChanged(); } } AlignmentModel::~AlignmentModel() { SVDEBUG << "AlignmentModel(" << this << ")::~AlignmentModel()" << endl; if (m_rawPath) m_rawPath->aboutToDelete(); delete m_rawPath; if (m_path) m_path->aboutToDelete(); delete m_path; if (m_reversePath) m_reversePath->aboutToDelete(); delete m_reversePath; } bool AlignmentModel::isOK() const { if (m_rawPath) return m_rawPath->isOK(); else return true; } sv_frame_t AlignmentModel::getStartFrame() const { sv_frame_t a = m_reference->getStartFrame(); sv_frame_t b = m_aligned->getStartFrame(); return std::min(a, b); } sv_frame_t AlignmentModel::getEndFrame() const { sv_frame_t a = m_reference->getEndFrame(); sv_frame_t b = m_aligned->getEndFrame(); return std::max(a, b); } sv_samplerate_t AlignmentModel::getSampleRate() const { return m_reference->getSampleRate(); } bool AlignmentModel::isReady(int *completion) const { if (!m_pathBegun && m_rawPath) { if (completion) *completion = 0; #ifdef DEBUG_ALIGNMENT_MODEL SVDEBUG << "AlignmentModel::isReady: path not begun" << endl; #endif return false; } if (m_pathComplete) { if (completion) *completion = 100; #ifdef DEBUG_ALIGNMENT_MODEL SVDEBUG << "AlignmentModel::isReady: path complete" << endl; #endif return true; } if (!m_rawPath) { // lack of raw path could mean path is complete (in which case // m_pathComplete true above) or else no alignment has been // set at all yet (this case) if (completion) *completion = 0; #ifdef DEBUG_ALIGNMENT_MODEL SVDEBUG << "AlignmentModel::isReady: no raw path" << endl; #endif return false; } return m_rawPath->isReady(completion); } const ZoomConstraint * AlignmentModel::getZoomConstraint() const { return nullptr; } const Model * AlignmentModel::getReferenceModel() const { return m_reference; } const Model * AlignmentModel::getAlignedModel() const { return m_aligned; } sv_frame_t AlignmentModel::toReference(sv_frame_t frame) const { #ifdef DEBUG_ALIGNMENT_MODEL cerr << "AlignmentModel::toReference(" << frame << ")" << endl; #endif if (!m_path) { if (!m_rawPath) return frame; constructPath(); } return align(m_path, frame); } sv_frame_t AlignmentModel::fromReference(sv_frame_t frame) const { #ifdef DEBUG_ALIGNMENT_MODEL cerr << "AlignmentModel::fromReference(" << frame << ")" << endl; #endif if (!m_reversePath) { if (!m_rawPath) return frame; constructReversePath(); } return align(m_reversePath, frame); } void AlignmentModel::pathChanged() { if (m_pathComplete) { cerr << "AlignmentModel: deleting raw path model" << endl; if (m_rawPath) m_rawPath->aboutToDelete(); delete m_rawPath; m_rawPath = nullptr; } } void AlignmentModel::pathChangedWithin(sv_frame_t, sv_frame_t) { if (!m_pathComplete) return; constructPath(); constructReversePath(); } void AlignmentModel::pathCompletionChanged() { if (!m_rawPath) return; m_pathBegun = true; if (!m_pathComplete) { int completion = 0; m_rawPath->isReady(&completion); #ifdef DEBUG_ALIGNMENT_MODEL SVCERR << "AlignmentModel::pathCompletionChanged: completion = " << completion << endl; #endif m_pathComplete = (completion == 100); if (m_pathComplete) { constructPath(); constructReversePath(); SVDEBUG << "AlignmentModel: path complete" << endl; } } emit completionChanged(); } void AlignmentModel::constructPath() const { if (!m_path) { if (!m_rawPath) { cerr << "ERROR: AlignmentModel::constructPath: " << "No raw path available" << endl; return; } m_path = new PathModel (m_rawPath->getSampleRate(), m_rawPath->getResolution(), false); } else { if (!m_rawPath) return; } m_path->clear(); EventVector points = m_rawPath->getAllEvents(); for (const auto &p: points) { sv_frame_t frame = p.getFrame(); double value = p.getValue(); sv_frame_t rframe = lrint(value * m_aligned->getSampleRate()); m_path->add(PathPoint(frame, rframe)); } #ifdef DEBUG_ALIGNMENT_MODEL cerr << "AlignmentModel::constructPath: " << m_path->getPointCount() << " points, at least " << (2 * m_path->getPointCount() * (3 * sizeof(void *) + sizeof(int) + sizeof(PathPoint))) << " bytes" << endl; #endif } void AlignmentModel::constructReversePath() const { if (!m_reversePath) { if (!m_path) { cerr << "ERROR: AlignmentModel::constructReversePath: " << "No forward path available" << endl; return; } m_reversePath = new PathModel (m_path->getSampleRate(), m_path->getResolution(), false); } else { if (!m_path) return; } m_reversePath->clear(); PathModel::PointList points = m_path->getPoints(); for (PathModel::PointList::const_iterator i = points.begin(); i != points.end(); ++i) { sv_frame_t frame = i->frame; sv_frame_t rframe = i->mapframe; m_reversePath->add(PathPoint(rframe, frame)); } #ifdef DEBUG_ALIGNMENT_MODEL cerr << "AlignmentModel::constructReversePath: " << m_reversePath->getPointCount() << " points, at least " << (2 * m_reversePath->getPointCount() * (3 * sizeof(void *) + sizeof(int) + sizeof(PathPoint))) << " bytes" << endl; #endif } sv_frame_t AlignmentModel::align(PathModel *path, sv_frame_t frame) const { if (!path) return frame; // The path consists of a series of points, each with frame equal // to the frame on the source model and mapframe equal to the // frame on the target model. Both should be monotonically // increasing. const PathModel::PointList &points = path->getPoints(); if (points.empty()) { #ifdef DEBUG_ALIGNMENT_MODEL cerr << "AlignmentModel::align: No points" << endl; #endif return frame; } #ifdef DEBUG_ALIGNMENT_MODEL cerr << "AlignmentModel::align: frame " << frame << " requested" << endl; #endif PathPoint point(frame); PathModel::PointList::const_iterator i = points.lower_bound(point); if (i == points.end()) { #ifdef DEBUG_ALIGNMENT_MODEL cerr << "Note: i == points.end()" << endl; #endif --i; } while (i != points.begin() && i->frame > frame) --i; sv_frame_t foundFrame = i->frame; sv_frame_t foundMapFrame = i->mapframe; sv_frame_t followingFrame = foundFrame; sv_frame_t followingMapFrame = foundMapFrame; if (++i != points.end()) { #ifdef DEBUG_ALIGNMENT_MODEL cerr << "another point available" << endl; #endif followingFrame = i->frame; followingMapFrame = i->mapframe; } else { #ifdef DEBUG_ALIGNMENT_MODEL cerr << "no other point available" << endl; #endif } #ifdef DEBUG_ALIGNMENT_MODEL cerr << "foundFrame = " << foundFrame << ", foundMapFrame = " << foundMapFrame << ", followingFrame = " << followingFrame << ", followingMapFrame = " << followingMapFrame << endl; #endif if (foundMapFrame < 0) return 0; sv_frame_t resultFrame = foundMapFrame; if (followingFrame != foundFrame && frame > foundFrame) { double interp = double(frame - foundFrame) / double(followingFrame - foundFrame); resultFrame += lrint(double(followingMapFrame - foundMapFrame) * interp); } #ifdef DEBUG_ALIGNMENT_MODEL cerr << "AlignmentModel::align: resultFrame = " << resultFrame << endl; #endif return resultFrame; } void AlignmentModel::setPathFrom(SparseTimeValueModel *rawpath) { if (m_rawPath) m_rawPath->aboutToDelete(); delete m_rawPath; m_rawPath = rawpath; connect(m_rawPath, SIGNAL(modelChanged()), this, SLOT(pathChanged())); connect(m_rawPath, SIGNAL(modelChangedWithin(sv_frame_t, sv_frame_t)), this, SLOT(pathChangedWithin(sv_frame_t, sv_frame_t))); connect(m_rawPath, SIGNAL(completionChanged()), this, SLOT(pathCompletionChanged())); constructPath(); constructReversePath(); if (m_rawPath->isReady()) { pathCompletionChanged(); } } void AlignmentModel::setPath(PathModel *path) { if (m_path) m_path->aboutToDelete(); delete m_path; m_path = path; m_pathComplete = true; #ifdef DEBUG_ALIGNMENT_MODEL cerr << "AlignmentModel::setPath: path = " << m_path << endl; #endif constructReversePath(); #ifdef DEBUG_ALIGNMENT_MODEL cerr << "AlignmentModel::setPath: after construction path = " << m_path << ", rpath = " << m_reversePath << endl; #endif } void AlignmentModel::toXml(QTextStream &stream, QString indent, QString extraAttributes) const { if (!m_path) { SVDEBUG << "AlignmentModel::toXml: no path" << endl; return; } m_path->toXml(stream, indent, ""); Model::toXml(stream, indent, QString("type=\"alignment\" reference=\"%1\" aligned=\"%2\" path=\"%3\" %4") .arg(m_reference->getExportId()) .arg(m_aligned->getExportId()) .arg(m_path->getExportId()) .arg(extraAttributes)); }