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use frame rate and timebase less interchangeably

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This commit is contained in:
itsmattkc
2021-04-07 13:08:25 +10:00
parent 898ea25e89
commit bb32048c65
22 changed files with 187 additions and 85 deletions
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app/widget/timebased/timebasedwidget.cpp
+24 -12
View File
@@ -74,46 +74,58 @@ ViewerOutput *TimeBasedWidget::GetConnectedNode() const
void TimeBasedWidget::ConnectViewerNode(ViewerOutput *node)
{
// Ignore no-op
if (viewer_node_ == node) {
return;
}
if (viewer_node_) {
// Call potential derivative functions for disconnecting the viewer node
DisconnectNodeInternal(viewer_node_);
// Disconnect length changed signal
disconnect(viewer_node_, &ViewerOutput::LengthChanged, this, &TimeBasedWidget::UpdateMaximumScroll);
disconnect(viewer_node_, &ViewerOutput::TimebaseChanged, this, &TimeBasedWidget::SetTimebase);
if (auto_set_timebase_) {
SetTimebase(rational());
}
// Reset timebase to null
SetTimebase(rational());
// Disconnect ruler and scrollbar from timeline points
ruler()->ConnectTimelinePoints(nullptr);
scrollbar_->ConnectTimelinePoints(nullptr);
}
// Set viewer node
viewer_node_ = node;
// Call derivatives
ConnectedNodeChanged(viewer_node_);
if (viewer_node_) {
// Connect length changed signal
connect(viewer_node_, &ViewerOutput::LengthChanged, this, &TimeBasedWidget::UpdateMaximumScroll);
// Connect ruler and scrollbar to timeline points
ruler()->ConnectTimelinePoints(viewer_node_->GetTimelinePoints());
scrollbar_->ConnectTimelinePoints(viewer_node_->GetTimelinePoints());
// If we're setting the timebase, set it automatically based on the video and audio parameters
if (auto_set_timebase_) {
if (!viewer_node_->GetVideoParams().time_base().isNull()) {
SetTimebase(viewer_node_->GetVideoParams().time_base());
} else if (viewer_node_->GetAudioParams().sample_rate() > 0) {
SetTimebase(viewer_node_->GetAudioParams().time_base());
} else {
SetTimebase(rational());
}
rational video_tb = viewer_node_->GetVideoParams().frame_rate_as_time_base();
connect(viewer_node_, &ViewerOutput::TimebaseChanged, this, &TimeBasedWidget::SetTimebase);
if (!video_tb.isNull()) {
SetTimebase(video_tb);
} else {
rational audio_tb = viewer_node_->GetAudioParams().sample_rate_as_time_base();
if (!audio_tb.isNull()) {
SetTimebase(audio_tb);
} else {
SetTimebase(rational());
}
}
}
// Call derivatives
ConnectNodeInternal(viewer_node_);
}