qplatformaudiodecoder.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include "qplatformaudiodecoder_p.h"
 
#include <QtCore/qthread.h>
 
QT_BEGIN_NAMESPACE
 
QPlatformAudioDecoder::QPlatformAudioDecoder(QAudioDecoder *parent) : q(parent) { }
 
QPlatformAudioDecoder::~QPlatformAudioDecoder() = default;
 
void QPlatformAudioDecoder::error(QAudioDecoder::Error error, const QString &errorString)
{
    if (error == m_error && errorString == m_errorString)
        return;
    m_error = error;
    m_errorString = errorString;
 
    if (m_error != QAudioDecoder::NoError) {
        setIsDecoding(false);
        Q_EMIT q->error(m_error);
    }
}
 
void QPlatformAudioDecoder::bufferAvailableChanged(bool available)
{
    if (m_bufferAvailable == available)
        return;
    m_bufferAvailable = available;
 
    if (!q->thread()->isCurrentThread())
        QMetaObject::invokeMethod(q, [q = this->q, available] {
            q->bufferAvailableChanged(available);
        }, Qt::QueuedConnection);
    else
        Q_EMIT q->bufferAvailableChanged(available);
}
 
void QPlatformAudioDecoder::bufferReady()
{
    if (!q->thread()->isCurrentThread())
        QMetaObject::invokeMethod(q, &QAudioDecoder::bufferReady, Qt::QueuedConnection);
    else
        Q_EMIT q->bufferReady();
}
 
void QPlatformAudioDecoder::sourceChanged()
{
    Q_EMIT q->sourceChanged();
}
 
void QPlatformAudioDecoder::formatChanged(const QAudioFormat &format)
{
    Q_EMIT q->formatChanged(format);
}
 
void QPlatformAudioDecoder::finished()
{
    durationChanged(kInvalidDuration);
    setIsDecoding(false);
    Q_EMIT q->finished();
}
 
void QPlatformAudioDecoder::positionChanged(std::chrono::milliseconds position)
{
    if (m_position == position)
        return;
    m_position = position;
    Q_EMIT q->positionChanged(position.count());
}
 
void QPlatformAudioDecoder::durationChanged(std::chrono::milliseconds duration)
{
    if (m_duration == duration)
        return;
    m_duration = duration;
    Q_EMIT q->durationChanged(duration.count());
}
 
QT_END_NAMESPACE
 
#include "moc_qplatformaudiodecoder_p.cpp"