glvideosurface.cpp

#include "glvideosurface.h"
#include <QDebug>

GLVideoSurface::GLVideoSurface(QObject *parent) : QAbstractVideoSurface(parent) {}

QList<QVideoFrame::PixelFormat> GLVideoSurface::supportedPixelFormats(QAbstractVideoBuffer::HandleType handleType) const
{
    Q_UNUSED(handleType);
    return QList<QVideoFrame::PixelFormat>()
        << QVideoFrame::Format_ARGB32
        << QVideoFrame::Format_ARGB32_Premultiplied
        << QVideoFrame::Format_RGB32
        << QVideoFrame::Format_RGB24
        << QVideoFrame::Format_RGB565
        << QVideoFrame::Format_RGB555
        << QVideoFrame::Format_ARGB8565_Premultiplied
        << QVideoFrame::Format_BGRA32
        << QVideoFrame::Format_BGRA32_Premultiplied
        << QVideoFrame::Format_BGR32
        << QVideoFrame::Format_BGR24
        << QVideoFrame::Format_BGR565
        << QVideoFrame::Format_BGR555
        << QVideoFrame::Format_BGRA5658_Premultiplied
        << QVideoFrame::Format_AYUV444
        << QVideoFrame::Format_AYUV444_Premultiplied
        << QVideoFrame::Format_YUV444
        << QVideoFrame::Format_YUV420P
        << QVideoFrame::Format_YV12
        << QVideoFrame::Format_UYVY
        << QVideoFrame::Format_YUYV
        << QVideoFrame::Format_NV12
        << QVideoFrame::Format_NV21
        << QVideoFrame::Format_IMC1
        << QVideoFrame::Format_IMC2
        << QVideoFrame::Format_IMC3
        << QVideoFrame::Format_IMC4
        << QVideoFrame::Format_Y8
        << QVideoFrame::Format_Y16
        << QVideoFrame::Format_Jpeg
        << QVideoFrame::Format_CameraRaw
        << QVideoFrame::Format_AdobeDng;
}

bool GLVideoSurface::present(const QVideoFrame &frame)
{
    QVideoFrame bufferFrame(frame);
    bufferFrame.map(QAbstractVideoBuffer::ReadOnly);

    if (!bufferFrame.isValid()) {
        return false;
    }

    cv::Mat mat = cv::Mat(bufferFrame.height(), bufferFrame.width(), CV_8UC3, bufferFrame.bits());

    emit frameReceived(mat);

    bufferFrame.unmap();
    return true;
}

bool GLVideoSurface::start(const QVideoSurfaceFormat &format)
{
    QAbstractVideoSurface::start(format);

    emit presentationStarted();

    return true;
}

void GLVideoSurface::stop()
{
    QAbstractVideoSurface::stop();

    emit presentationStopped();
}