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ensure frame rate and sample rate changes ripple through widgets

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This commit is contained in:
itsmattkc
2021-04-08 10:44:32 +10:00
parent ea29ffef96
commit 2dc27de37c
6 changed files with 58 additions and 13 deletions
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app/widget/timebased/timebasedwidget.cpp
+24 -13
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@@ -86,6 +86,10 @@ void TimeBasedWidget::ConnectViewerNode(ViewerOutput *node)
// Disconnect length changed signal
disconnect(viewer_node_, &ViewerOutput::LengthChanged, this, &TimeBasedWidget::UpdateMaximumScroll);
// Disconnect rate change signals if they were connected
disconnect(viewer_node_, &ViewerOutput::FrameRateChanged, this, &TimeBasedWidget::AutoUpdateTimebase);
disconnect(viewer_node_, &ViewerOutput::SampleRateChanged, this, &TimeBasedWidget::AutoUpdateTimebase);
// Reset timebase to null
SetTimebase(rational());
@@ -112,19 +116,9 @@ 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_) {
rational video_tb = viewer_node_->GetVideoParams().frame_rate_as_time_base();
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());
}
}
AutoUpdateTimebase();
connect(viewer_node_, &ViewerOutput::FrameRateChanged, this, &TimeBasedWidget::AutoUpdateTimebase);
connect(viewer_node_, &ViewerOutput::SampleRateChanged, this, &TimeBasedWidget::AutoUpdateTimebase);
}
// Call derivatives
@@ -205,6 +199,23 @@ void TimeBasedWidget::CatchUpScrollToPoint(int point)
PageScrollInternal(point, false);
}
void TimeBasedWidget::AutoUpdateTimebase()
{
rational video_tb = viewer_node_->GetVideoParams().frame_rate_as_time_base();
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());
}
}
}
TimeRuler *TimeBasedWidget::ruler() const
{
return ruler_;