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added second frame cache for thumbnails

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This commit is contained in:
itsmattkc
2022-05-27 19:16:08 -07:00
parent 3d8c0114fb
commit e9404ba869
10 changed files with 64 additions and 67 deletions
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app/widget/timelinewidget/view/timelineview.cpp
+11 -2
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@@ -529,11 +529,20 @@ void TimelineView::DrawBlock(QPainter *painter, bool foreground, Block *block, q
painter->setClipRect(preview_rect);
painter->setRenderHint(QPainter::SmoothPixmapTransform);
for (int i=preview_rect.left(); i<preview_rect.right(); i+=thumb_rect.width()+1) {
rational time_here = SceneToTime(i - block_in, GetScale(), connected_track_list_->parent()->GetAudioParams().sample_rate_as_time_base()) + media_in;
rational time_here = SceneToTime(i - block_in, GetScale(), connected_track_list_->parent()->GetVideoParams().frame_rate_as_time_base()) + media_in;
QString thumbnail = thumbs->GetValidCacheFilename(time_here);
if (thumbnail.isEmpty()) {
break;
// Jump ahead to next frame, ensuring that frame width > 0 for optimization
if (thumb_rect.width() == 0 && clip->track() && clip->track()->sequence()) {
Sequence *s = clip->track()->sequence();
int width = s->GetVideoParams().width();
int height = s->GetVideoParams().height();
if (height > 0) { // Prevent divide by zero/invalid params
double scale = double(preview_rect.height())/double(height);
thumb_rect.setWidth(width * scale);
}
}
} else {
QImage img;
if (img.load(thumbnail, "jpg")) {