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timeline: added thumbnail modes that affect how much is rendered

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This commit is contained in:
itsmattkc
2022-09-06 16:06:26 -07:00
parent 00f256f16f
commit 571be3d28d
12 changed files with 159 additions and 81 deletions
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app/widget/timelinewidget/view/timelineview.cpp
+48 -28
View File
@@ -46,8 +46,6 @@ TimelineView::TimelineView(Qt::Alignment vertical_alignment, QWidget *parent) :
ghosts_(nullptr),
show_beam_cursor_(false),
connected_track_list_(nullptr),
show_thumbnails_(true),
show_waveforms_(true),
transition_overlay_out_(nullptr),
transition_overlay_in_(nullptr)
{
@@ -486,7 +484,6 @@ void TimelineView::DrawBlock(QPainter *painter, bool foreground, Block *block, q
int text_height = fm.height();
int text_padding = text_height/4; // This ties into the track minimum height being 1.5
int text_total_height = text_height + text_padding + text_padding;
Q_UNUSED(text_total_height)
if (foreground) {
painter->setBrush(Qt::NoBrush);
@@ -524,43 +521,52 @@ void TimelineView::DrawBlock(QPainter *painter, bool foreground, Block *block, q
QRect preview_rect = r.toRect();
// Draw clip thumbnails
if (clip->GetTrackType() == Track::kVideo && show_thumbnails_ && preview_rect.height() > r.height()/3) {
if (clip->GetTrackType() == Track::kVideo
&& OLIVE_CONFIG("TimelineThumbnailMode").toInt() != Timeline::kThumbnailOff
&& preview_rect.height() > r.height()/3) {
if (const FrameHashCache *thumbs = clip->thumbnails()) {
// Start thumbnails underneath clip name
preview_rect.adjust(0, text_total_height, 0, 0);
QRect thumb_rect;
painter->setClipRect(preview_rect);
painter->setRenderHint(QPainter::SmoothPixmapTransform);
painter->setClipRect(preview_rect);
Sequence *s = clip->track()->sequence();
int width = s->GetVideoParams().width();
int height = s->GetVideoParams().height();
int start;
if (height > 0) { // Prevent divide by zero/invalid params
double scale = double(preview_rect.height())/double(height);
thumb_rect.setWidth(width * scale);
start = (preview_rect.left() - int(qFloor(block_in))) / thumb_rect.width() + qFloor(block_in);
} else {
start = preview_rect.left();
}
if (OLIVE_CONFIG("TimelineThumbnailMode") == Timeline::kThumbnailOn) {
for (int i=start; i<preview_rect.right(); i+=thumb_rect.width()+1) {
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()) {
QImage img;
if (img.load(thumbnail, "jpg")) {
double scale = double(preview_rect.height())/double(img.height());
thumb_rect = QRect(i, preview_rect.top(), img.width() * scale, preview_rect.height());
painter->drawImage(thumb_rect, img);
}
Sequence *s = clip->track()->sequence();
int width = s->GetVideoParams().width();
int height = s->GetVideoParams().height();
int start;
if (height > 0) { // Prevent divide by zero/invalid params
double scale = double(preview_rect.height())/double(height);
thumb_rect.setWidth(width * scale);
start = (((preview_rect.left() - int(qFloor(block_in))) / thumb_rect.width()) * thumb_rect.width()) + qFloor(block_in);
} else {
start = preview_rect.left();
}
for (int i=start; i<preview_rect.right(); i+=thumb_rect.width()+1) {
rational time_here = SceneToTime(i - block_in, GetScale(), connected_track_list_->parent()->GetVideoParams().frame_rate_as_time_base()) + media_in;
DrawThumbnail(painter, thumbs, time_here, i, preview_rect, &thumb_rect);
}
} else {
rational time = clip->media_range().in();
time = Timecode::snap_time_to_timebase(time, thumbs->GetTimebase(), Timecode::kFloor);
DrawThumbnail(painter, thumbs, time, block_left, preview_rect, &thumb_rect);
}
painter->setClipping(false);
}
}
// Draw waveform
if (clip->GetTrackType() == Track::kAudio && show_waveforms_) {
if (clip->GetTrackType() == Track::kAudio
&& OLIVE_CONFIG("TimelineWaveformMode").toInt() == Timeline::kWaveformsEnabled) {
if (const AudioWaveformCache *wave = clip->waveform()) {
rational waveform_start = SceneToTime(block_left - block_in, GetScale(), connected_track_list_->parent()->GetAudioParams().sample_rate_as_time_base()) + media_in;
painter->setPen(shadow_color);
@@ -733,6 +739,20 @@ qreal TimelineView::GetTimelineRightBound() const
return GetTimelineLeftBound() + viewport()->width();
}
void TimelineView::DrawThumbnail(QPainter *painter, const FrameHashCache *thumbs, const rational &time, int x, const QRect &preview_rect, QRect *thumb_rect) const
{
QString thumbnail = thumbs->GetValidCacheFilename(time);
if (!thumbnail.isEmpty()) {
QImage img;
if (img.load(thumbnail, "jpg")) {
double scale = double(preview_rect.height())/double(img.height());
*thumb_rect = QRect(x, preview_rect.top(), img.width() * scale, preview_rect.height());
painter->drawImage(*thumb_rect, img);
}
}
}
int TimelineView::GetTrackY(int track_index) const
{
if (!connected_track_list_ || !connected_track_list_->GetTrackCount()) {