ffmpegvideo.sh

gistfile1.txt

#!/bin/bash

# This script transcodes various video formats to MPEG2 Video and
# AC3 audio in an MPEG2 Transport Stream for the DirecTV HR2x
#
# FFMpeg and Mediainfo must be installed for this script to work.
#
# Input Parameters: Input, Output, Video Bitrate, Audio Bitrate
#
# Revision 2.00  11/29/2008
# Updated to work with the HR2x auto screen size feature

VBITRATE="$3"
ABITRATE="$4"

width=`/usr/bin/mediainfo --Inform=Video\;%Width% "$1"`
height=`/usr/bin/mediainfo --Inform=Video\;%Height% "$1"`

audcodec="ac3"

aspect=$(echo "scale=2; ($width/$height)*100" | bc | awk -F '.' '{ print $1; exit; }' ) 

echo $aspect
comp=175
bars=0

if [ "$aspect" -gt "$comp" ]; then
   # needs bars top and bottom
   bars=1
   pad=$(echo "scale=2; (($width/1.75)-$height)/2" | bc | awk -F '.' '{ print $1; exit; }' )
   mod=$(($pad % 2))
   compmod=1
   if [ "$mod" -eq "$compmod" ]; then
      # pad must be an even number
      pad=$((pad+1))
   fi
fi

echo $pad

# Make sure the ffmpeg path is correct