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fixes jitters by using signals/slots to pass image buffers around

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Updating values rapidly would cause strange jitters as a
byproduct of the viewer trying to update from the renderer while
it was still working. Rather than the viewer trying to access the
the renderer, we now send textures in the initial update signal
to keep everything synchronized.
This commit is contained in:
itsmattkc
2019-11-18 02:14:54 +09:00
parent 8e6c23ffc1
commit 7385e3dc56
12 changed files with 43 additions and 36 deletions
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app/widget/viewer/viewer.cpp
+10 -2
View File
@@ -77,7 +77,8 @@ ViewerWidget::ViewerWidget(QWidget *parent) :
// Start background renderers
video_renderer_ = new OpenGLBackend(this);
connect(video_renderer_, SIGNAL(CachedFrameReady(const rational&)), this, SLOT(RendererCachedFrame(const rational&)));
connect(video_renderer_, SIGNAL(CachedFrameReady(const rational&, QVariant)), this, SLOT(RendererCachedFrame(const rational&, QVariant)));
connect(video_renderer_, SIGNAL(CachedTimeReady(const rational&)), this, SLOT(RendererCachedTime(const rational&)));
audio_renderer_ = new AudioBackend(this);
}
@@ -347,7 +348,14 @@ void ViewerWidget::PlaybackTimerUpdate()
SetTime(current_time);
}
void ViewerWidget::RendererCachedFrame(const rational &time)
void ViewerWidget::RendererCachedFrame(const rational &time, QVariant value)
{
if (GetTime() == time) {
SetTexture(value.value<OpenGLTexturePtr>());
}
}
void ViewerWidget::RendererCachedTime(const rational &time)
{
if (GetTime() == time) {
UpdateTextureFromNode(GetTime());