void SubtitleFilter::process(Statistics *statistics, VideoFrame *frame)
{
Q_UNUSED(statistics);
Q_UNUSED(frame);
DPTR_D(SubtitleFilter);
QPainterFilterContext* ctx = static_cast<QPainterFilterContext*>(d.context);
if (!ctx)
return;
if (!ctx->paint_device) {
qWarning("no paint device!");
return;
}
if (d.player_sub->subtitle()->canRender()) {
if (frame && frame->timestamp() > 0.0)
d.player_sub->subtitle()->setTimestamp(frame->timestamp()); //TODO: set to current display video frame's timestamp
QRect rect;
/*
* image quality maybe to low if use video frame resolution for large display.
* The difference is small if use paint_device size and video frame aspect ratio ~ renderer aspect ratio
* if use renderer's resolution, we have to map bounding rect from video frame coordinate to renderer's
*/
//QImage img = d.player_sub->subtitle()->getImage(statistics->video_only.width, statistics->video_only.height, &rect);
QImage img = d.player_sub->subtitle()->getImage(ctx->paint_device->width(), ctx->paint_device->height(), &rect);
if (img.isNull())
return;
ctx->drawImage(rect, img);
return;
}
ctx->font = d.font;
ctx->pen.setColor(d.color);
ctx->rect = d.realRect(ctx->paint_device->width(), ctx->paint_device->height());
ctx->drawPlainText(ctx->rect, Qt::AlignHCenter | Qt::AlignBottom, d.player_sub->subtitle()->getText());
}
void OSDFilterQPainter::process()
{
if (mShowType == ShowNone)
return;
DPTR_D(Filter);
QPainterFilterContext* ctx = static_cast<QPainterFilterContext*>(d.context);
//qDebug("ctx=%p tid=%p main tid=%p", ctx, QThread::currentThread(), qApp->thread());
ctx->drawPlainText(ctx->rect, Qt::AlignCenter, text(d.statistics));
}
