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fix no video shown

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This commit is contained in:
Mike-Solar
2026-01-05 13:52:02 +08:00
parent b107370550
commit cdc66d1a02
5 changed files with 100 additions and 28 deletions
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app/widget/timebased/timebasedwidget.cpp
+25 -14
View File
@@ -78,7 +78,7 @@ void TimeBasedWidget::SetScaleAndCenterOnPlayhead(const double &scale)
ViewerOutput *TimeBasedWidget::GetConnectedNode() const
{
return viewer_node_;
return viewer_node_.data();
}
void TimeBasedWidget::ConnectViewerNode(ViewerOutput *node)
@@ -89,10 +89,17 @@ void TimeBasedWidget::ConnectViewerNode(ViewerOutput *node)
}
// Set viewer node
ViewerOutput *old = viewer_node_;
ViewerOutput *old = viewer_node_.data();
viewer_node_ = node;
Current::getInstance().setCurrentVideoParams(viewer_node_->GetVideoParams());
Current::getInstance().setCurrentAudioParams(viewer_node_->GetAudioParams());
if (viewer_node_) {
Current::getInstance().setCurrentVideoParams(
viewer_node_->GetVideoParams());
Current::getInstance().setCurrentAudioParams(
viewer_node_->GetAudioParams());
} else {
Current::getInstance().setCurrentVideoParams(VideoParams());
Current::getInstance().setCurrentAudioParams(AudioParams());
}
if (old) {
// Call potential derivative functions for disconnecting the viewer node
DisconnectNodeEvent(old);
@@ -121,17 +128,17 @@ void TimeBasedWidget::ConnectViewerNode(ViewerOutput *node)
// Call derivatives
for (TimeBasedView *view : timeline_views_) {
view->SetViewerNode(viewer_node_);
view->SetViewerNode(viewer_node_.data());
}
ConnectedNodeChangeEvent(viewer_node_);
ConnectedNodeChangeEvent(viewer_node_.data());
if (viewer_node_) {
// Connect length changed signal
connect(viewer_node_, &ViewerOutput::LengthChanged, this,
connect(viewer_node_.data(), &ViewerOutput::LengthChanged, this,
&TimeBasedWidget::UpdateMaximumScroll);
connect(viewer_node_, &ViewerOutput::RemovedFromGraph, this,
connect(viewer_node_.data(), &ViewerOutput::RemovedFromGraph, this,
&TimeBasedWidget::ConnectedNodeRemovedFromGraph);
connect(viewer_node_, &ViewerOutput::PlayheadChanged, this,
connect(viewer_node_.data(), &ViewerOutput::PlayheadChanged, this,
&TimeBasedWidget::PlayheadTimeChanged);
// Connect ruler and scrollbar to timeline points
@@ -141,14 +148,14 @@ void TimeBasedWidget::ConnectViewerNode(ViewerOutput *node)
// If we're setting the timebase, set it automatically based on the video and audio parameters
if (auto_set_timebase_) {
AutoUpdateTimebase();
connect(viewer_node_, &ViewerOutput::FrameRateChanged, this,
connect(viewer_node_.data(), &ViewerOutput::FrameRateChanged, this,
&TimeBasedWidget::AutoUpdateTimebase);
connect(viewer_node_, &ViewerOutput::SampleRateChanged, this,
connect(viewer_node_.data(), &ViewerOutput::SampleRateChanged, this,
&TimeBasedWidget::AutoUpdateTimebase);
}
// Call derivatives
ConnectNodeEvent(viewer_node_);
ConnectNodeEvent(viewer_node_.data());
}
UpdateMaximumScroll();
@@ -271,6 +278,10 @@ void TimeBasedWidget::SendCatchUpScrollEvent()
void TimeBasedWidget::AutoUpdateTimebase()
{
if (!viewer_node_) {
SetTimebase(rational());
return;
}
rational video_tb =
viewer_node_->GetVideoParams().frame_rate_as_time_base();
@@ -448,7 +459,7 @@ void TimeBasedWidget::ZoomOut()
void TimeBasedWidget::GoToPrevCut()
{
// Cuts are only possible in sequences
Sequence *sequence = dynamic_cast<Sequence *>(viewer_node_);
Sequence *sequence = dynamic_cast<Sequence *>(viewer_node_.data());
if (!sequence) {
return;
@@ -480,7 +491,7 @@ void TimeBasedWidget::GoToPrevCut()
void TimeBasedWidget::GoToNextCut()
{
// Cuts are only possible in sequences
Sequence *sequence = dynamic_cast<Sequence *>(viewer_node_);
Sequence *sequence = dynamic_cast<Sequence *>(viewer_node_.data());
if (!sequence) {
return;