void GLWidgetRendererPrivate::upload(const QRect &roi)
{
updateTexturesIfNeeded();
for (int i = 0; i < video_frame.planeCount(); ++i) {
uploadPlane(i, internal_format[i], data_format[i], roi);
}
}
void GLWidgetRendererPrivate::upload(const QRect &roi)
{
const VideoFormat &fmt = video_frame.format();
bool update_textures = false;
if (fmt != video_format) {
update_textures = true;
qDebug("pixel format changed: %s => %s", qPrintable(video_format.name()), qPrintable(fmt.name()));
if (!prepareShaderProgram(fmt)) {
qWarning("shader program create error...");
return;
} else {
qDebug("shader program created!!!");
}
}
// effective size may change even if plane size not changed
if (update_textures || video_frame.size() != plane0Size) { //
update_textures = true;
//qDebug("---------------------update texture: %dx%d, %s", video_frame.width(), video_frame.height(), video_frame.format().name().toUtf8().constData());
texture_size.resize(fmt.planeCount());
effective_tex_width.resize(fmt.planeCount());
for (int i = 0; i < fmt.planeCount(); ++i) {
qDebug("plane linesize %d: padded = %d, effective = %d", i, video_frame.bytesPerLine(i), video_frame.effectiveBytesPerLine(i));
qDebug("plane width %d: effective = %d", video_frame.planeWidth(i), video_frame.effectivePlaneWidth(i));
qDebug("planeHeight %d = %d", i, video_frame.planeHeight(i));
// we have to consider size of opengl format. set bytesPerLine here and change to width later
texture_size[i] = QSize(video_frame.bytesPerLine(i), video_frame.planeHeight(i));
effective_tex_width[i] = video_frame.effectiveBytesPerLine(i); //store bytes here, modify as width later
// TODO: ratio count the GL_UNPACK_ALIGN?
effective_tex_width_ratio = qMin((qreal)1.0, (qreal)video_frame.effectiveBytesPerLine(i)/(qreal)video_frame.bytesPerLine(i));
}
qDebug("effective_tex_width_ratio=%f", effective_tex_width_ratio);
plane0Size = video_frame.size();
}
if (update_textures) {
initTextures(fmt);
}
for (int i = 0; i < video_frame.planeCount(); ++i) {
uploadPlane(i, internal_format[i], data_format[i], roi);
}
}
