bool SDLSurface::renderToSurface(RGBVideoSample& videoSample) {
if (!videoSample) {
return false;
}
if (!isInitialized()) {
return false;
}
#ifdef DEBUG
std::cout << "SDLSurface::renderToSurface" << std::endl;
#endif
SDLSurfaceLock surfaceLock(m_pSurface);
if (!surfaceLock) {
return false;
}
RGBVideoFormat videoFormat(videoSample.sampleFormat());
if (videoFormat.sizePixels() != sizePixels()) {
return false;
}
if (videoFormat.bitsPerPixel() != bitsPerPixel()) {
return false;
}
if (videoFormat.sizeRowBytes() != sizeRowBytes()) {
return false;
}
if (videoFormat.sizeBytes() != sizeBytes()) {
return false;
}
if (videoFormat.rgbFormat() != rgbFormat()) {
return false;
}
RGBVideoFrameSharedPtr pVideoFrame(videoSample.sampleData());
ImageViewType imageView(pVideoFrame->imageView());
switch (rgbFormat()) {
case RGB888:
renderImageToSurface<rgb8_view_t, rgb8_ptr_t>(imageView);
break;
case RGBA8888:
renderImageToSurface<rgba8_view_t, rgba8_ptr_t>(imageView);
break;
case BGR888:
renderImageToSurface<bgr8_view_t, bgr8_ptr_t>(imageView);
break;
case ABGR8888:
renderImageToSurface<abgr8_view_t, abgr8_ptr_t>(imageView);
break;
default:
return false;
}
return true;
}
/*
QRGB888ImageMaker
*/
QRGB888ImageMaker::QRGB888ImageMaker( int width, int height )
: mQImage(NULL),
mImageConverter(NULL)
{
ImageFormat rgbFormat( width, height, ImageFormat::RGB24 );
mImageConverter = new ImageConverter( rgbFormat );
// Get a grip onto the data of the image that serves as output of the ImageConverter
uchar* data = reinterpret_cast<uchar*>( mImageConverter->getImage().getBuffer().getBytes() );
// Create a QImage pointing *directly* onto this data
mQImage = new QImage( data, width, height, QImage::Format_RGB888 );
}
bool SDLSurface::isInitialized() const {
if (!m_pSurface) {
return false;
}
if (!isValidRGBFormat(rgbFormat())) {
return false;
}
IntegerSize sizePixelsSurface(sizePixels());
if (!sizePixelsSurface.width()) {
return false;
}
if (!sizePixelsSurface.height()) {
return false;
}
return true;
}
