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viewernode: check if timebase/size have actually changed before signalling

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Minor optimization.
This commit is contained in:
itsmattkc
2020-06-23 05:15:48 +10:00
parent 1ec0d06e9f
commit 2207a915a6
1 changed files with 11 additions and 3 deletions
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app/node/output/viewer/viewer.cpp
+11 -3
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@@ -129,12 +129,20 @@ void ViewerOutput::InvalidateCache(const TimeRange &range, NodeInput *from, Node
void ViewerOutput::set_video_params(const VideoParams &video)
{
bool size_changed = video_params_.width() != video.width() || video_params_.height() != video.height();
bool timebase_changed = video_params_.time_base() != video.time_base();
video_params_ = video;
video_frame_cache_.SetTimebase(video_params_.time_base());
if (size_changed) {
emit SizeChanged(video_params_.width(), video_params_.height());
}
if (timebase_changed) {
video_frame_cache_.SetTimebase(video_params_.time_base());
emit TimebaseChanged(video_params_.time_base());
}
emit SizeChanged(video_params_.width(), video_params_.height());
emit TimebaseChanged(video_params_.time_base());
emit ParamsChanged();
}