Mercurial > hg > svcore
view data/model/AggregateWaveModel.cpp @ 435:824a87450f81
* Revert to RTLD_LOCAL (we think problem is better fixed in Vampy)
author | Chris Cannam |
---|---|
date | Mon, 07 Jul 2008 17:17:49 +0000 |
parents | 166c22eff678 |
children | 06f13a3b9e9e |
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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> PowerOfSqrtTwoZoomConstraint AggregateWaveModel::m_zoomConstraint; AggregateWaveModel::AggregateWaveModel(ChannelSpecList channelSpecs) : m_components(channelSpecs) { for (ChannelSpecList::const_iterator i = channelSpecs.begin(); i != channelSpecs.end(); ++i) { if (i->model->getSampleRate() != channelSpecs.begin()->model->getSampleRate()) { std::cerr << "AggregateWaveModel::AggregateWaveModel: WARNING: Component models do not all have the same sample rate" << std::endl; break; } } } AggregateWaveModel::~AggregateWaveModel() { } bool AggregateWaveModel::isOK() const { for (ChannelSpecList::const_iterator i = m_components.begin(); i != m_components.end(); ++i) { if (!i->model->isOK()) return false; } return true; } bool AggregateWaveModel::isReady(int *completion) const { if (completion) *completion = 100; bool ready = true; for (ChannelSpecList::const_iterator i = m_components.begin(); i != m_components.end(); ++i) { int completionHere = 100; if (!i->model->isReady(&completionHere)) ready = false; if (completion && completionHere < *completion) { *completion = completionHere; } } return ready; } size_t AggregateWaveModel::getFrameCount() const { size_t count = 0; for (ChannelSpecList::const_iterator i = m_components.begin(); i != m_components.end(); ++i) { size_t thisCount = i->model->getEndFrame() - i->model->getStartFrame(); if (thisCount > count) count = thisCount; } return count; } size_t AggregateWaveModel::getChannelCount() const { return m_components.size(); } size_t AggregateWaveModel::getSampleRate() const { if (m_components.empty()) return 0; return m_components.begin()->model->getSampleRate(); } Model * AggregateWaveModel::clone() const { return new AggregateWaveModel(m_components); } size_t AggregateWaveModel::getData(int channel, size_t start, size_t count, float *buffer) const { int ch0 = channel, ch1 = channel; bool mixing = false; if (channel == -1) { ch0 = 0; ch1 = getChannelCount()-1; mixing = true; } float *readbuf = buffer; if (mixing) { readbuf = new float[count]; for (size_t i = 0; i < count; ++i) { buffer[i] = 0.f; } } size_t sz = count; for (int c = ch0; c <= ch1; ++c) { size_t szHere = m_components[c].model->getData(m_components[c].channel, start, count, readbuf); if (szHere < sz) sz = szHere; if (mixing) { for (size_t i = 0; i < count; ++i) { buffer[i] += readbuf[i]; } } } if (mixing) delete[] readbuf; return sz; } size_t AggregateWaveModel::getData(int channel, size_t start, size_t count, double *buffer) const { int ch0 = channel, ch1 = channel; bool mixing = false; if (channel == -1) { ch0 = 0; ch1 = getChannelCount()-1; mixing = true; } double *readbuf = buffer; if (mixing) { readbuf = new double[count]; for (size_t i = 0; i < count; ++i) { buffer[i] = 0.0; } } size_t sz = count; for (int c = ch0; c <= ch1; ++c) { size_t szHere = m_components[c].model->getData(m_components[c].channel, start, count, readbuf); if (szHere < sz) sz = szHere; if (mixing) { for (size_t i = 0; i < count; ++i) { buffer[i] += readbuf[i]; } } } if (mixing) delete[] readbuf; return sz; } size_t AggregateWaveModel::getData(size_t fromchannel, size_t tochannel, size_t start, size_t count, float **buffer) const { size_t min = count; for (size_t c = fromchannel; c <= tochannel; ++c) { size_t here = getData(c, start, count, buffer[c - fromchannel]); if (here < min) min = here; } return min; } size_t AggregateWaveModel::getSummaryBlockSize(size_t desired) const { //!!! complete return desired; } void AggregateWaveModel::getSummaries(size_t channel, size_t start, size_t count, RangeBlock &ranges, size_t &blockSize) const { //!!! complete } AggregateWaveModel::Range AggregateWaveModel::getSummary(size_t channel, size_t start, size_t count) const { //!!! complete return Range(); } size_t AggregateWaveModel::getComponentCount() const { return m_components.size(); } AggregateWaveModel::ModelChannelSpec AggregateWaveModel::getComponent(size_t c) const { return m_components[c]; } void AggregateWaveModel::componentModelChanged() { emit modelChanged(); } void AggregateWaveModel::componentModelChanged(size_t start, size_t end) { emit modelChanged(start, end); } void AggregateWaveModel::componentModelCompletionChanged() { emit completionChanged(); } void AggregateWaveModel::toXml(QTextStream &out, QString indent, QString extraAttributes) const { //!!! complete }