view base/XmlExportable.cpp @ 1290:fa574c909c3d 3.0-integration

Add MAD_BUFFER_GUARD padding at end of mp3 buffer, in order to ensure last frame is decoded successfully (otherwise the decoded audio is truncated). Another thing learned from madplay.
author Chris Cannam
date Thu, 24 Nov 2016 17:06:31 +0000
parents 1424aa29ae95
children 48e9f538e6e9
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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 2006 Chris Cannam.
    
    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 "XmlExportable.h"
#include <map>
#include <QMutex>
#include <QMutexLocker>
#include <QTextStream>

#include <iostream>

QString
XmlExportable::toXmlString(QString indent,
                           QString extraAttributes) const
{
//    SVDEBUG << "XmlExportable::toXmlString" << endl;

    QString s;

    {
        QTextStream out(&s);
        toXml(out, indent, extraAttributes);
    }

    return s;
}

QString
XmlExportable::encodeEntities(QString s)
{
    s
	.replace("&", "&amp;")
	.replace("<", "&lt;")
	.replace(">", "&gt;")
	.replace("\"", "&quot;")
	.replace("'", "&apos;");

    return s;
}

QString
XmlExportable::encodeColour(int ri, int gi, int bi)
{
    QString r, g, b;

    r.setNum(ri, 16);
    if (ri < 16) r = "0" + r;

    g.setNum(gi, 16);
    if (gi < 16) g = "0" + g;

    b.setNum(bi, 16);
    if (bi < 16) b = "0" + b;

    return "#" + r + g + b;
}

int
XmlExportable::getObjectExportId(const void * object)
{
    static QMutex mutex;
    QMutexLocker locker(&mutex);

    static std::map<const void *, int> idMap;
    static int maxId = 0;
    
    if (idMap.find(object) == idMap.end()) {
	idMap[object] = maxId++;
    }

    return idMap[object];
}