first video -> big commit :)

GravityField/encode.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+if [ $# -ne 2 ] ; then
+	echo
+	echo "need two arguments:"
+	echo "    1) source dir"
+	echo "    2) mp4 filename"
+	exit 1
+fi
+
+SDIR="$1"
+FNAME="$2"
+echo "Encoding from " $SDIR " to " $FNAME
+
+TITLE='---{ experimental gravity field }---'
+
+ffmpeg  -nostdin					\
+	-loglevel warning				\
+	-y -r 30 -f image2 -i $SDIR/%05d.pgm 		\
+	-metadata artist='---{ tTh }---'		\
+	-metadata title="${TITLE}"			\
+	-c:v libx264 -pix_fmt yuv420p			\
+	$FNAME
+
+