use round instead of ceil to get frame number from timestamp

YomikoR · Apr 12, 2024 · aa0c02c · aa0c02c
1 parent 5020d68
commit aa0c02c
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diff --git a/CHANGELOG b/CHANGELOG
@@ -6,6 +6,7 @@ r19-mod-6.6
 -Add an asterisk in preview window title that indicates change in text editor.
 -Add info texts to certain reserved frame props when displayed.
 -Improve error handling of the previewer.
+-Better sync output frame numbers by timestamp.
 
 r19-mod-6.5
 -Use same vapoursynth library as used for script evaluation for plugin list.

diff --git a/vsedit/src/preview/preview_dialog.cpp b/vsedit/src/preview/preview_dialog.cpp
@@ -3154,7 +3154,7 @@ int PreviewDialog::timestampToFrame(qlonglong a_timestamp)
 {
 	if(m_fpsDen == 0 || m_fpsNum == 0)
 		return 0;
-	return std::ceil((double)a_timestamp * m_fpsNum / m_fpsDen / 1000);
+	return std::round((double)a_timestamp * m_fpsNum / m_fpsDen / 1000);
 }
 
 void PreviewDialog::setExpectedFrame(int a_frame)