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cache waveforms at clip level

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This commit is contained in:
itsmattkc
2022-05-22 20:54:59 -07:00
parent b99fb32954
commit f124ad3178
21 changed files with 429 additions and 329 deletions
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app/widget/timelinewidget/view/timelineview.cpp
+26 -5
View File
@@ -47,6 +47,7 @@ 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)
@@ -519,12 +520,32 @@ void TimelineView::DrawBlock(QPainter *painter, bool foreground, Block *block, q
painter->drawRect(r);
if (ClipBlock *clip = dynamic_cast<ClipBlock*>(block)) {
QRect preview_rect = r.adjusted(0, text_total_height, 0, 0).toRect();
// Draw clip thumbnails
if (clip->GetTrackType() == Track::kVideo && show_thumbnails_ && preview_rect.height() > r.height()/3) {
const int kTempThumbWidth = 120;
const int kTempThumbHeight = 68;
QRect thumb_rect;
painter->setClipRect(preview_rect);
for (int i=preview_rect.left(); i<preview_rect.right(); i+=thumb_rect.width()+1) {
double scale = double(preview_rect.height())/double(kTempThumbHeight);
thumb_rect = QRect(i, preview_rect.top(), kTempThumbWidth * scale, preview_rect.height());
painter->fillRect(thumb_rect, Qt::red);
}
painter->setClipping(false);
}
// Draw waveform
if (show_waveforms_) {
QRect waveform_rect = r.adjusted(0, text_total_height, 0, 0).toRect();
painter->setPen(shadow_color);
AudioVisualWaveform::DrawWaveform(painter, waveform_rect, this->GetScale(), clip->waveform(),
SceneToTime(block_left - block_in, GetScale(), connected_track_list_->parent()->GetAudioParams().sample_rate_as_time_base()) + media_in);
if (clip->GetTrackType() == Track::kAudio && show_waveforms_) {
if (const AudioVisualWaveform *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);
AudioVisualWaveform::DrawWaveform(painter, preview_rect, this->GetScale(), *wave, waveform_start);
}
}
// Draw zebra stripes and markers