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#include "qgstreameraudioprobecontrol_p.h"
#include <private/qgstutils_p.h>

QGstreamerAudioProbeControl::QGstreamerAudioProbeControl(QObject *parent)
    : QMediaAudioProbeControl(parent)
{

}

QGstreamerAudioProbeControl::~QGstreamerAudioProbeControl()
{

}

void QGstreamerAudioProbeControl::bufferProbed(GstBuffer* buffer)
{
    GstCaps* caps = gst_buffer_get_caps(buffer);
    if (!caps)
        return;

    QAudioFormat format = QGstUtils::audioFormatForCaps(caps);
    gst_caps_unref(caps);
    if (!format.isValid())
        return;

    QAudioBuffer audioBuffer = QAudioBuffer(QByteArray((const char*)buffer->data, buffer->size), format);

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

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