#!/bin/sh
#turn an AVI into a MPEG file

# prouce a mpeg_encode parameter file 
mpegparam () 
{
(
cat <<EOF
PATTERN		ibbpbbpbbpbbpbb
OUTPUT		XX_OUTNAME_XX
GOP_SIZE	10
SLICES_PER_FRAME	1
BASE_FILE_FORMAT	PPM
YUV_SIZE	320x240
INPUT_CONVERT	djpeg *
INPUT_DIR	.
INPUT
frame.*	[0-XX_NUMFRAMES_XX]
END_INPUT
PIXEL		HALF
RANGE		8
PSEARCH_ALG	LOGARITHMIC
BSEARCH_ALG	SIMPLE
IQSCALE		8
PQSCALE		10
BQSCALE		25
REFERENCE_FRAME	ORIGINAL
EOF
) | sed -e s/XX_OUTNAME_XX/$1/g -e s/XX_NUMFRAMES_XX/$2/g
}

for f in $*; do 
    AVI=$f
    MPEG=`basename $AVI .avi`.mpg

    capture --explode $AVI
    NFRAMES=`/bin/ls frame.* | wc -l`
    NFRAMES=`expr $NFRAMES`

    mpegparam $MPEG $NFRAMES > $MPEG.param
    mpeg_encode $MPEG.param
    rm -f frame.[0-9]*
    rm -f $MPEG.param
done



