poppler-24.05.0/qt6/src/poppler-sound.cc

/* poppler-sound.cc: qt interface to poppler
 * Copyright (C) 2006-2007, Pino Toscano <[email protected]>
 * Copyright (C) 2008, 2018, 2020, Albert Astals Cid <[email protected]>
 *
 * 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, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
 */

#include "poppler-qt6.h"

#include "Object.h"
#include "Stream.h"
#include "Sound.h"

namespace Poppler {

class SoundData
{
public:
    SoundData() : m_soundObj(nullptr) { }

    ~SoundData() { delete m_soundObj; }

    SoundData(const SoundData &) = delete;
    SoundData &operator=(const SoundData &) = delete;

    SoundObject::SoundType m_type;
    Sound *m_soundObj;
};

SoundObject::SoundObject(Sound *popplersound)
{
    m_soundData = new SoundData();
    switch (popplersound->getSoundKind()) {
    case soundEmbedded:
        m_soundData->m_type = SoundObject::Embedded;
        break;
    case soundExternal:
    default:
        m_soundData->m_type = SoundObject::External;
        break;
    }

    m_soundData->m_soundObj = popplersound->copy();
}

SoundObject::~SoundObject()
{
    delete m_soundData;
}

SoundObject::SoundType SoundObject::soundType() const
{
    return m_soundData->m_type;
}

QString SoundObject::url() const
{
    if (m_soundData->m_type != SoundObject::External) {
        return QString();
    }

    return QString(m_soundData->m_soundObj->getFileName().c_str());
}

QByteArray SoundObject::data() const
{
    if (m_soundData->m_type != SoundObject::Embedded) {
        return QByteArray();
    }

    Stream *stream = m_soundData->m_soundObj->getStream();
    stream->reset();
    int dataLen = 0;
    QByteArray fileArray;
    int i;
    while ((i = stream->getChar()) != EOF) {
        fileArray.append((char)i);
        ++dataLen;
    }
    fileArray.resize(dataLen);

    return fileArray;
}

double SoundObject::samplingRate() const
{
    return m_soundData->m_soundObj->getSamplingRate();
}

int SoundObject::channels() const
{
    return m_soundData->m_soundObj->getChannels();
}

int SoundObject::bitsPerSample() const
{
    return m_soundData->m_soundObj->getBitsPerSample();
}

SoundObject::SoundEncoding SoundObject::soundEncoding() const
{
    switch (m_soundData->m_soundObj->getEncoding()) {
    case soundRaw:
        return SoundObject::Raw;
    case soundSigned:
        return SoundObject::Signed;
    case soundMuLaw:
        return SoundObject::muLaw;
    case soundALaw:
        return SoundObject::ALaw;
    }
    return SoundObject::Raw;
}

}