Pipe for scripts<->application communication, write UYVY files

Got pipe to work between movie subprocess and main code. We use it to
display progress from the scripts. Write "gstreamer raw" files, that
can be worked with easily from gstreamer.

movie.sh.in

@@ -22,8 +22,8 @@ jpegize() {
 	done
 
 	for DNG in *.dng; do
-		PERC=$[(100*$I)/$NUM]
-		echo $PERC
+		PERC=$[(50*$I)/$NUM]
+		echo Message: ${PERC}%
 		BASE=${DNG%%.dng}
 		# -w		Use camera white balance
 		# +M		use embedded color matrix
@@ -67,10 +67,13 @@ elif [ "-$1" == "-stop" ]; then
 	mkdir $GIGA_DIR/sm
 	kill `cat $2/audio.pid`
 	jpegize $2 # | zenity --progress "--text=Converting, phase 1, dng -> jpeg" --time-remaining
+	echo Message: Mp
 	cd $GIGA_DIR/sm
 	@LIBEXECDIR@/mpegize.py convertall $GIGA_DIR/ $FPS
+	echo Message: Cl
 	mv $GIGA_DIR/smo/*.mp4 $DEST_NAME
 	rm -r $GIGA_DIR
+	echo Message: Ok
 else
 	echo "Unrecognized command"
 fi