qt-everywhere-src-5.15.1/qtmultimedia/src/plugins/wmf/player/mfaudioprobecontrol.cpp

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#include "mfaudioprobecontrol.h"

MFAudioProbeControl::MFAudioProbeControl(QObject *parent):
    QMediaAudioProbeControl(parent)
{
}

MFAudioProbeControl::~MFAudioProbeControl()
{
}

void MFAudioProbeControl::bufferProbed(const char *data, quint32 size, const QAudioFormat& format, qint64 startTime)
{
    if (!format.isValid())
        return;

    QAudioBuffer audioBuffer = QAudioBuffer(QByteArray(data, size), format, startTime);

    {
        QMutexLocker locker(&m_bufferMutex);
        m_pendingBuffer = audioBuffer;
        QMetaObject::invokeMethod(this, "bufferProbed", Qt::QueuedConnection);
    }
}

void MFAudioProbeControl::bufferProbed()
{
    QAudioBuffer audioBuffer;
    {
        QMutexLocker locker(&m_bufferMutex);
        if (!m_pendingBuffer.isValid())
            return;
        audioBuffer = m_pendingBuffer;
    }
    emit audioBufferProbed(audioBuffer);
}