#!/bin/sh
#-----------------------------------------------------------------------------
# Usage: flctompeg1 <FLC file>
#-----------------------------------------------------------------------------
# Convert an FLC animation to MPEG-1 using ppmtompeg.
#-----------------------------------------------------------------------------

# Initialize.
  if [ $# -gt 0 ]
  then
    FLC=$1
  else
    echo "Usage: flctompeg1 <FLC file>" 1>&2
    exit 1
  fi

  MOVIE=`basename $FLC | sed -e 's|\.[^.]*$||'`
  trap 'rm -rf $MOVIE-tmp ; exit 1' 1 2 3 15
  mkdir $MOVIE-tmp
  unflick $FLC $MOVIE-tmp/ ppm

# Create the parameter file for ppmtompeg.
  echo "OUTPUT			$MOVIE.mpg" > $MOVIE-tmp/param
  cat << EOT >> $MOVIE-tmp/param
PATTERN			IBBPBBPBBPBBPBB
BASE_FILE_FORMAT	PPM
INPUT_CONVERT		*
GOP_SIZE		30
SLICES_PER_FRAME	1
INPUT_DIR		.
INPUT
EOT

  ls $MOVIE-tmp/*.ppm >> $MOVIE-tmp/param

  cat << EOT >> $MOVIE-tmp/param
END_INPUT
PIXEL			HALF
RANGE			10
PSEARCH_ALG		LOGARITHMIC
BSEARCH_ALG		CROSS2
IQSCALE			1
PQSCALE			1
BQSCALE			1
REFERENCE_FRAME		DECODED
BIT_RATE		8388608
BUFFER_SIZE		20000000
WARN_VBV_UNDERFLOW
WARN_VBV_OVERFLOW
FRAME_RATE		25
EOT

  echo ''
  ppmtompeg -mv_histogram $MOVIE-tmp/param 2>&1 | tee $MOVIE.log

  rm -rf $MOVIE-tmp

  exit 0