QVideoSurfaceFormat MFTransform::videoFormatForMFMediaType(IMFMediaType *mediaType, int *bytesPerLine)
{
    UINT32 stride;
    if (FAILED(mediaType->GetUINT32(MF_MT_DEFAULT_STRIDE, &stride))) {
        *bytesPerLine = 0;
        return QVideoSurfaceFormat();
    }

    *bytesPerLine = (int)stride;

    QSize size;
    UINT32 width, height;
    if (FAILED(MFGetAttributeSize(mediaType, MF_MT_FRAME_SIZE, &width, &height)))
        return QVideoSurfaceFormat();

    size.setWidth(width);
    size.setHeight(height);

    GUID subtype = GUID_NULL;
    if (FAILED(mediaType->GetGUID(MF_MT_SUBTYPE, &subtype)))
        return QVideoSurfaceFormat();

    QVideoFrame::PixelFormat pixelFormat = formatFromSubtype(subtype);
    QVideoSurfaceFormat format(size, pixelFormat);

    UINT32 num, den;
    if (SUCCEEDED(MFGetAttributeRatio(mediaType, MF_MT_PIXEL_ASPECT_RATIO, &num, &den))) {
        format.setPixelAspectRatio(num, den);
    }
    if (SUCCEEDED(MFGetAttributeRatio(mediaType, MF_MT_FRAME_RATE, &num, &den))) {
        format.setFrameRate(qreal(num)/den);
    }

    return format;
}
void MmRendererPlayerVideoRendererControl::updateScene(const QSize &size)
{
    if (m_surface) {
        if (!m_surface->isActive()) {
            if (m_windowGrabber->eglImageSupported()) {
                m_surface->start(QVideoSurfaceFormat(size, QVideoFrame::Format_BGR32,
                                                     QAbstractVideoBuffer::GLTextureHandle));
            } else {
                m_surface->start(QVideoSurfaceFormat(size, QVideoFrame::Format_ARGB32));
            }
        } else {
            if (m_surface->surfaceFormat().frameSize() != size) {
                m_surface->stop();
                if (m_windowGrabber->eglImageSupported()) {
                    m_surface->start(QVideoSurfaceFormat(size, QVideoFrame::Format_BGR32,
                                                         QAbstractVideoBuffer::GLTextureHandle));
                } else {
                    m_surface->start(QVideoSurfaceFormat(size, QVideoFrame::Format_ARGB32));
                }
            }
        }

        // Depending on the support of EGL images on the current platform we either pass a texture
        // handle or a copy of the image data
        if (m_windowGrabber->eglImageSupported()) {
            QnxTextureBuffer *textBuffer = new QnxTextureBuffer(m_windowGrabber);
            QVideoFrame actualFrame(textBuffer, size, QVideoFrame::Format_BGR32);
            m_surface->present(actualFrame);
        } else {
            m_surface->present(m_windowGrabber->getNextImage().copy());
        }
    }
}
Example #3
0
QAbstractVideoSurface::QAbstractVideoSurface(QObject *parent)
    : QObject(parent)
{
    setProperty("_q_surfaceFormat", QVariant::fromValue(QVideoSurfaceFormat()));
    setProperty("_q_active", false);
    setProperty("_q_error", QVariant::fromValue(QAbstractVideoSurface::NoError));
    setProperty("_q_nativeResolution", QSize());
}
void MmRendererPlayerVideoRendererControl::frameGrabbed(const QImage &frame, int handle)
{
    if (m_surface) {
        if (!m_surface->isActive()) {
            if (m_windowGrabber->eglImageSupported()) {
                if (QOpenGLContext::currentContext())
                    m_windowGrabber->createEglImages();
                else
                    m_surface->setProperty("_q_GLThreadCallback", QVariant::fromValue<QObject*>(this));

                m_surface->start(QVideoSurfaceFormat(frame.size(), QVideoFrame::Format_BGR32,
                                                 QAbstractVideoBuffer::GLTextureHandle));
            } else {
                m_surface->start(QVideoSurfaceFormat(frame.size(), QVideoFrame::Format_ARGB32));
            }
        } else {
            if (m_surface->surfaceFormat().frameSize() != frame.size()) {
                QAbstractVideoBuffer::HandleType type = m_surface->surfaceFormat().handleType();
                m_surface->stop();
                if (type != QAbstractVideoBuffer::NoHandle) {
                    m_surface->setProperty("_q_GLThreadCallback", QVariant::fromValue<QObject*>(this));
                    m_surface->start(QVideoSurfaceFormat(frame.size(), QVideoFrame::Format_BGR32,
                                                     QAbstractVideoBuffer::GLTextureHandle));
                } else {
                    m_surface->start(QVideoSurfaceFormat(frame.size(), QVideoFrame::Format_ARGB32));
                }
            }
        }

        // Depending on the support of EGL images on the current platform we either pass a texture
        // handle or a copy of the image data
        if (m_surface->surfaceFormat().handleType() != QAbstractVideoBuffer::NoHandle) {
            if (m_windowGrabber->eglImagesInitialized() &&
                    m_surface->property("_q_GLThreadCallback") != 0)
                m_surface->setProperty("_q_GLThreadCallback", 0);


            BBTextureBuffer *textBuffer = new BBTextureBuffer(handle);
            QVideoFrame actualFrame(textBuffer, frame.size(), QVideoFrame::Format_BGR32);
            m_surface->present(actualFrame);
        } else {
            m_surface->present(frame.copy());
        }
    }
}
Example #5
0
void QAbstractVideoSurface::stop()
{
    if (property("_q_active").toBool()) {
        setProperty("_q_format", QVariant::fromValue(QVideoSurfaceFormat()));
        setProperty("_q_active", false);

        emit activeChanged(false);
        emit surfaceFormatChanged(surfaceFormat());
    }
}
Example #6
0
QVideoSurfaceFormat DirectShowMediaType::formatFromType(const AM_MEDIA_TYPE &type)
{
    // UWEBKIT

    VIDEOINFOHEADER *uwkheader = reinterpret_cast<VIDEOINFOHEADER *>(type.pbFormat);

    QVideoSurfaceFormat uwkformat(
            QSize(uwkheader->bmiHeader.biWidth, qAbs(uwkheader->bmiHeader.biHeight)),
            QVideoFrame::Format_RGB32);

    if (uwkheader->AvgTimePerFrame > 0)
        uwkformat.setFrameRate(10000 / uwkheader->AvgTimePerFrame);


    uwkformat.setScanLineDirection(scanLineDirection(uwkformat.pixelFormat(), uwkheader->bmiHeader));

    return uwkformat;

    // END UWEBKIT

    const int count = sizeof(qt_typeLookup) / sizeof(TypeLookup);

    for (int i = 0; i < count; ++i) {
        if (IsEqualGUID(qt_typeLookup[i].mediaType, type.subtype) && type.cbFormat > 0) {
            if (IsEqualGUID(type.formattype, FORMAT_VideoInfo)) {
                VIDEOINFOHEADER *header = reinterpret_cast<VIDEOINFOHEADER *>(type.pbFormat);

                QVideoSurfaceFormat format(
                        QSize(header->bmiHeader.biWidth, qAbs(header->bmiHeader.biHeight)),
                        qt_typeLookup[i].pixelFormat);

                if (header->AvgTimePerFrame > 0)
                    format.setFrameRate(10000 /header->AvgTimePerFrame);

                format.setScanLineDirection(scanLineDirection(format.pixelFormat(), header->bmiHeader));

                return format;
            } else if (IsEqualGUID(type.formattype, FORMAT_VideoInfo2)) {
                VIDEOINFOHEADER2 *header = reinterpret_cast<VIDEOINFOHEADER2 *>(type.pbFormat);

                QVideoSurfaceFormat format(
                        QSize(header->bmiHeader.biWidth, qAbs(header->bmiHeader.biHeight)),
                        qt_typeLookup[i].pixelFormat);

                if (header->AvgTimePerFrame > 0)
                    format.setFrameRate(10000 / header->AvgTimePerFrame);

                format.setScanLineDirection(scanLineDirection(format.pixelFormat(), header->bmiHeader));

                return format;
            }
        }
    }
    return QVideoSurfaceFormat();
}
/*!
    Stops a video surface presenting frames and releases any resources acquired in start().

    \note You must call the base class implementation of stop() at the start of your implementation.
    \sa isActive(), start()
*/
void QAbstractVideoSurface::stop()
{
    Q_D(QAbstractVideoSurface);
    if (d->active) {
        d->surfaceFormat = QVideoSurfaceFormat();
        d->active = false;

        emit activeChanged(false);
        emit surfaceFormatChanged(surfaceFormat());
    }
}
Example #8
0
void AVL_QT_DLL_EXPORT WidgetSurface::renderFrame(Image::Image<Pixel::PixelRGBi1u> * frame,const I8u & frameIndex){
	if(currentFrame!=nullptr){delete currentFrame;}
	currentFrame = frame;
	currentQFrame = QImage(static_cast<uchar*>(static_cast<void*>(currentFrame->getDataPtr())),currentFrame->getWidth(),currentFrame->getHeight(),currentFrame->getWidth()*3,QImage::Format_RGB888);
	if (imageSize != frame->getSize()) {
		if(start(QVideoSurfaceFormat(QSize(frame->getWidth(),frame->getHeight()), QVideoFrame::pixelFormatFromImageFormat(QImage::Format_RGB888)))==false){
			//TODO: ERROR
			return;
		}
		widget->repaint();
	}else{
		widget->repaint(targetRect);
	}
	emit frameChanged(frameIndex);
}
Example #9
0
QVideoSurfaceFormat DirectShowMediaType::formatFromType(const AM_MEDIA_TYPE &type)
{
    const int count = sizeof(qt_typeLookup) / sizeof(TypeLookup);

    for (int i = 0; i < count; ++i) {
        if (IsEqualGUID(qt_typeLookup[i].mediaType, type.subtype) && type.cbFormat > 0) {
            if (IsEqualGUID(type.formattype, FORMAT_VideoInfo)) {
                VIDEOINFOHEADER *header = reinterpret_cast<VIDEOINFOHEADER *>(type.pbFormat);

                QVideoSurfaceFormat format(
                        QSize(header->bmiHeader.biWidth, qAbs(header->bmiHeader.biHeight)),
                        qt_typeLookup[i].pixelFormat);

                if (header->AvgTimePerFrame > 0)
                    format.setFrameRate(10000 /header->AvgTimePerFrame);

                format.setScanLineDirection(header->bmiHeader.biHeight < 0
                        ? QVideoSurfaceFormat::TopToBottom
                        : QVideoSurfaceFormat::BottomToTop);

                return format;
            } else if (IsEqualGUID(type.formattype, FORMAT_VideoInfo2)) {
                VIDEOINFOHEADER2 *header = reinterpret_cast<VIDEOINFOHEADER2 *>(type.pbFormat);

                QVideoSurfaceFormat format(
                        QSize(header->bmiHeader.biWidth, qAbs(header->bmiHeader.biHeight)),
                        qt_typeLookup[i].pixelFormat);

                if (header->AvgTimePerFrame > 0)
                    format.setFrameRate(10000 / header->AvgTimePerFrame);

                format.setScanLineDirection(header->bmiHeader.biHeight < 0
                        ? QVideoSurfaceFormat::TopToBottom
                        : QVideoSurfaceFormat::BottomToTop);

                return format;
            }
        }
    }
    return QVideoSurfaceFormat();
}
QVideoSurfaceFormat QAbstractVideoSurface::nearestFormat(const QVideoSurfaceFormat &format) const
{
    return isFormatSupported(format)
            ? format
            : QVideoSurfaceFormat();
}
    doClear();
}

void QGstXvImageBufferPool::doClear()
{
    foreach (QGstXvImageBuffer *xvBuffer, m_allBuffers) {
        xvBuffer->markedForDeletion = true;
    }
    m_allBuffers.clear();

    foreach (QGstXvImageBuffer *xvBuffer, m_pool) {
        gst_buffer_unref(GST_BUFFER(xvBuffer));
    }
    m_pool.clear();

    m_format = QVideoSurfaceFormat();
}

void QGstXvImageBufferPool::queuedDestroy()
{
    QMutexLocker lock(&m_destroyMutex);

    XSync(QX11Info::display(), false);

    foreach(XvShmImage xvImage, m_imagesToDestroy) {
        if (xvImage.shmInfo.shmaddr != ((void *) -1)) {
            XShmDetach(QX11Info::display(), &xvImage.shmInfo);
            XSync(QX11Info::display(), false);

            shmdt(xvImage.shmInfo.shmaddr);
        }
Example #12
0
QVideoSurfaceFormat ChilitagsSurface::nearestFormat(const QVideoSurfaceFormat &) const
{
    qDebug() << "Not implemented: ChilitagsSurface::nearestFormat";
    return QVideoSurfaceFormat();
}