Audio codec to eac3, copy over data and attachements when applicable (for non-pgs sub types)

transcode.sh

@@ -41,8 +41,10 @@ function encode {
            "enable-overlays=1:\
            tune=0:\
            keyint=10s" \
-         -map 0:a? -acodec aac  \
-         -map 0:s? -scodec copy $subline \
+         -map 0:a? -acodec eac3 \
+         -map 0:s? -c:s copy $subline \
+         -map 0:d? -c:d copy \
+         -map 0:t? -c:t copy \
          -use_wallclock_as_timestamps 1 -max_interleave_delta 0 \
          -map_chapters 0 -max_muxing_queue_size 9999 -y "$outFL"
 }