Mercurial > hg > svcore
view data/model/AggregateWaveModel.cpp @ 1810:ee3b248bda25
Forward getIndexForEvent
author | Chris Cannam |
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date | Fri, 22 Nov 2019 14:12:16 +0000 |
parents | dffc70996f54 |
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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 "AggregateWaveModel.h" #include <iostream> #include <QTextStream> using namespace std; //#define DEBUG_AGGREGATE_WAVE_FILE_MODEL 1 PowerOfSqrtTwoZoomConstraint AggregateWaveModel::m_zoomConstraint; AggregateWaveModel::AggregateWaveModel(ChannelSpecList channelSpecs) : m_components(channelSpecs) { sv_samplerate_t overallRate = 0; for (int channel = 0; in_range_for(m_components, channel); ++channel) { auto model = ModelById::getAs<RangeSummarisableTimeValueModel> (m_components[channel].model); if (!model) { SVCERR << "AggregateWaveModel: WARNING: component for channel " << channel << " is not found or is of wrong model type" << endl; continue; } sv_samplerate_t rate = model->getSampleRate(); if (!rate) { SVCERR << "AggregateWaveModel: WARNING: component for channel " << channel << " reports zero sample rate" << endl; } else if (!overallRate) { overallRate = rate; } else if (rate != overallRate) { SVCERR << "AggregateWaveModel: WARNING: component for channel " << channel << " has different sample rate from earlier " << "channels (has " << rate << ", expected " << overallRate << ")" << endl; } connect(model.get(), SIGNAL(modelChanged(ModelId)), this, SLOT(componentModelChanged(ModelId))); connect(model.get(), SIGNAL(modelChangedWithin(ModelId, sv_frame_t, sv_frame_t)), this, SLOT(componentModelChangedWithin(ModelId, sv_frame_t, sv_frame_t))); connect(model.get(), SIGNAL(completionChanged(ModelId)), this, SLOT(componentModelCompletionChanged(ModelId))); } } AggregateWaveModel::~AggregateWaveModel() { SVDEBUG << "AggregateWaveModel::~AggregateWaveModel" << endl; } bool AggregateWaveModel::isOK() const { if (m_components.empty()) { return false; } for (const auto &c: m_components) { auto model = ModelById::get(c.model); if (!model || !model->isOK()) { return false; } } return true; } bool AggregateWaveModel::isReady(int *completion) const { if (completion) *completion = 100; bool ready = true; for (auto c: m_components) { int completionHere = 100; auto model = ModelById::get(c.model); if (!model) continue; if (!model->isReady(&completionHere)) { ready = false; } if (completion && completionHere < *completion) { *completion = completionHere; } } #ifdef DEBUG_AGGREGATE_WAVE_FILE_MODEL SVDEBUG << "AggregateWaveModel(" << objectName() << ")::isReady: returning " << ready << endl; #endif return ready; } sv_frame_t AggregateWaveModel::getFrameCount() const { sv_frame_t count = 0; for (auto c: m_components) { auto model = ModelById::get(c.model); if (!model) continue; sv_frame_t thisCount = model->getEndFrame() - model->getStartFrame(); if (thisCount > count) count = thisCount; } return count; } int AggregateWaveModel::getChannelCount() const { return int(m_components.size()); } sv_samplerate_t AggregateWaveModel::getSampleRate() const { if (m_components.empty()) return 0; auto model = ModelById::get(m_components.begin()->model); if (!model) return 0; return model->getSampleRate(); } floatvec_t AggregateWaveModel::getData(int channel, sv_frame_t start, sv_frame_t count) const { if (m_components.empty()) return {}; int ch0 = channel, ch1 = channel; if (channel == -1) { ch0 = 0; ch1 = getChannelCount()-1; } else if (!in_range_for(m_components, channel)) { return {}; } floatvec_t result(count, 0.f); sv_frame_t longest = 0; for (int c = ch0; c <= ch1; ++c) { auto model = ModelById::getAs<RangeSummarisableTimeValueModel> (m_components[c].model); if (!model) continue; auto here = model->getData(m_components[c].channel, start, count); if (sv_frame_t(here.size()) > longest) { longest = sv_frame_t(here.size()); } for (sv_frame_t i = 0; in_range_for(here, i); ++i) { result[i] += here[i]; } } result.resize(longest); return result; } vector<floatvec_t> AggregateWaveModel::getMultiChannelData(int fromchannel, int tochannel, sv_frame_t start, sv_frame_t count) const { sv_frame_t min = count; vector<floatvec_t> result; for (int c = fromchannel; c <= tochannel; ++c) { auto here = getData(c, start, count); if (sv_frame_t(here.size()) < min) { min = sv_frame_t(here.size()); } result.push_back(here); } if (min < count) { for (auto &v : result) v.resize(min); } return result; } int AggregateWaveModel::getSummaryBlockSize(int desired) const { //!!! complete return desired; } void AggregateWaveModel::getSummaries(int, sv_frame_t, sv_frame_t, RangeBlock &, int &) const { //!!! complete } AggregateWaveModel::Range AggregateWaveModel::getSummary(int, sv_frame_t, sv_frame_t) const { //!!! complete return Range(); } int AggregateWaveModel::getComponentCount() const { return int(m_components.size()); } AggregateWaveModel::ModelChannelSpec AggregateWaveModel::getComponent(int c) const { return m_components[c]; } void AggregateWaveModel::componentModelChanged(ModelId) { emit modelChanged(getId()); } void AggregateWaveModel::componentModelChangedWithin(ModelId, sv_frame_t start, sv_frame_t end) { emit modelChangedWithin(getId(), start, end); } void AggregateWaveModel::componentModelCompletionChanged(ModelId) { emit completionChanged(getId()); } void AggregateWaveModel::toXml(QTextStream &out, QString indent, QString extraAttributes) const { QStringList componentStrings; for (const auto &c: m_components) { auto model = ModelById::get(c.model); if (!model) continue; componentStrings.push_back(QString("%1").arg(model->getExportId())); } Model::toXml(out, indent, QString("type=\"aggregatewave\" components=\"%1\" %2") .arg(componentStrings.join(",")) .arg(extraAttributes)); }