From b24baf8a1a59f87fae84a80115beaa73d3e5cd4f Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Mon, 23 Sep 2019 19:00:45 +0200 Subject: Rework to prefer EDI over ZeroMQ --- appendix.tex | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'appendix.tex') diff --git a/appendix.tex b/appendix.tex index 6792f65..02da04e 100644 --- a/appendix.tex +++ b/appendix.tex @@ -35,6 +35,28 @@ In order to select the format, the following syntax for the \texttt{-O} option i \texttt{-O file://filename?type=format}, where \texttt{format} is one of \verb+framed+, \verb+streamed+ or \verb+raw+. + +\section{Additional EDI TAGs used} +ODR defined and uses two additional EDI TAGs, whose content is described here. + +ODR-AudioEnc inserts audio level metadata into the ``ODRa'' TAG. The TAG item is in the following format: +\begin{lstlisting} + TAG Name="ODRa" [4 bytes] + Length=4 [4 bytes] + Left Audio Level [signed 16-bit integer] + Right Audio Level [signed 16-bit integer] +\end{lstlisting} + + +The second EDI TAG ``ODRv'' contains version and uptime information for the EDI source. +\begin{lstlisting} + TAG Name="ODRv" [4 bytes] + Length=N+4 [4 bytes] + Version [String of N bytes, UTF-8 encoded, not zero terminated] + Uptime [unsigned 32-bit integer representing number of seconds since program start] +\end{lstlisting} + + \section{Bibliography} \bibliographystyle{acm} \bibliography{dab} -- cgit v1.2.3