For illustrative purposes, here is an example of the options files that need to be added for using the ffmpeg \textit{ProRes 422} format. This makes it possible to transcode to \texttt{h264.mov} with FFmpeg retaining \textit{10-bit yuv422p} from the source to the target output video.
-Add the file named \texttt{./ffmpeg/audio/acc256k.pro} which contains the following lines:
+Add the file named \texttt{./ffmpeg/audio/aac256k.pro} which contains the following lines:
\begin{lstlisting}[style=sh]
mov aac
Add the file named \texttt{./ffmpeg/audio/pro.dfl} which contains the following lines:
\begin{lstlisting}[style=sh]
-acc256k.pro
+aac256k.pro
\end{lstlisting}
Add the file named \texttt{./ffmpeg/video/prores.pro} which contains the following lines: