From e907d3cad3f7c2bc15be8f4a06cca3f2c741e44d Mon Sep 17 00:00:00 2001 From: Good Guy Date: Sat, 22 Apr 2023 10:08:37 -0600 Subject: [PATCH] Anamorphic usage hint for Aspect Ratio --- parts/Windows.tex | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/parts/Windows.tex b/parts/Windows.tex index 6bbea8b..44933a7 100644 --- a/parts/Windows.tex +++ b/parts/Windows.tex @@ -928,6 +928,14 @@ where: \textit{SAR}= Storage Aspect Ratio (i.e media file aspect ratio) +In practice, there can be a problem with anamorphic format rendering as desired because it does +not use square pixels. So, for example, FFV1 format in the mkv container will ignore the DAR +(Display Aspect Ratio). You can check if your media is anamorphic format using the \textit{Mediainfo} +program. If the Width/Height is 720/576 (=1.25) and DAR is 16/9 (=1.777) then you have non-square +pixels. SAR (Storage Aspect Ratio) is different from DAR and you have to use a workaround as +described at the "Cinelerra for Grandma" site by Raffaella Traniello: +{\small\url{http://www.g-raffa.eu/Cinelerra/HOWTO/anamorphic.html}} . + \subsection{Camera and Projector}% \label{sub:camera_and_projector} -- 2.26.2