digitalFAQ.com Forums [Archives] - FFMPEG: What a better script with a subtitle ???

Quote:
Originally Posted by Dialhot
As we can't know every script than run around the world, can you copy this script there ?
Code:
#!/bin/bash

#

# Copyright (C) 2003-2038 russiansexpat

# Portions taken from paranouei's scripts

#

# Modified by tetra

# script: mpeg(1,2,3,4) conversion to (S,X)VCD with quantisation matrix

# and auto-splitting into multiple CDs and writing them.

#

# requires: mencoder mplayer ffmpeg tcmplex vcdimager cdrdao





#!!!!!!!!!!!!!! below you can edit parameters !!!!!!!!!!!!!!!!!!!!!!



# Storage medium size

#---------------------------------------------------------------

#CDSIZE=735             # 74min CD

CDSIZE=795             # 80min CD

#CDSIZE=895             # 90min CD

AUDIORATE=128

#---------------------------------------------------------------





# Subtitle settings

#---------------------------------------------------------------

# These settings look good with arialbd.ttf font

blur=2

#font="/home/alexandre/.kde/share/fonts/TrueType/arialbd.ttf"

font="/home/alexandre/.mplayer/subfont.ttf"

subpos=65

textscale=4

outline=2

autoscale=2

#---------------------------------------------------------------



# FPS settings

#---------------------------------------------------------------

#FPS=",telecine,lavcdeint -fps 29.97 -ofps 29.97"

#FPS=" -ofps 29.97" # NTSC

FPS=" -ofps 25" # PAL

#FPS=" -ofps 23.976" # NTSC pulldowned

#FPS=",ivtc=1 -ofps 23.976"

#---------------------------------------------------------------



# Optional filters

#---------------------------------------------------------------

VFILTER="hqdn3d,"

#LAVCOPTS=":vlelim=-4:vcelim=7:lumi_mask=0.05:dark_mask=0.01"

LAVCOPTS=""

#---------------------------------------------------------------





# Pass

#---------------------------------------------------------------

PASS="single"

#PASS="1st 2nd"

#---------------------------------------------------------------



# Verbosity

#---------------------------------------------------------------

NOTverbose="2> /dev/null"      # I want to see what is going on

#NOTverbose="&> /dev/null"      # I don't care what's going on

#---------------------------------------------------------------



# Target type settings

#---------------------------------------------------------------



# for VideoCD (VCD)

#WID=352

#HEI=240

#HEI=288

#VCODEC=mpeg1video

#MUXMODE="-m 1 -F tcmplex.tmp"

#IMAMODE="-t vcd2"





# for SuperVideoCD (SVCD)

WID=480

HEI=480      # NTSC??

#HEI=576      # This is for PAL

VCODEC=mpeg2video

MUXMODE="-m 2 -F tcmplex.tmp"

IMAMODE="-t svcd"



# CD-burner device ID (for a list of your devices, type 'cdrdao scanbus')

CDDEV="--device 0,0,0"



# Movie length in seconds

DEFAULT_MOVIE_SECONDS=6800



# !!!!!!!!!!!!!!!!!!!!! above you can edit parameters !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!



echo "maxFileSize = $CDSIZE" > tcmplex.tmp



CDOPT="--force --reload --eject --speed 4 --overburn --driver generic-mmc"





# Find out if we have a subtitle-file to be hard encoded

FILE=$2

tmp=`echo $FILE | sed s/\.avi//`

SUB=""

[ -f "${tmp}".sub ]  && SUB="-sub ${tmp}.sub"

[ -f "${tmp}".srt ] && SUB="-sub ${tmp}.srt"





# Get some necessary information

# Taken from paranouei's scripts

tcprobe -i "${FILE}" > info

if [ $? -eq 0 ]; then



   ORIGFPS=`grep 'frame rate' info | \

     perl -e ' $line=<STDIN> ; $line =~ /frame rate: -f (.+?) \[/  ;  print $1' `



   ORIGFPS_1=`echo "scale=1 ; $ORIGFPS/1"| bc -l`



   WIDTH=`grep 'import frame size' info | \

     perl -e ' $line=<STDIN> ; $line =~ /import frame size: -g (\d+?)x\d+ /  ;  print $1' `



   HEIGHT=`grep 'import frame size' info | \

     perl -e ' $line=<STDIN> ; $line =~ /import frame size: -g \d+?x(\d+) /  ;  print $1' `



   FRAMES=`grep '\[avilib\] V:' info | \

     perl -e ' $line=<STDIN> ; $line =~ /frames=(\d+)/  ;  print $1' `

else

   mplayer -ao null -vo null -frames 10 "$FILE" > info

   WIDTH=`grep 'VIDEO' info | \

     perl -e ' $line=<STDIN> ; $line =~ / (\d+)x\d+ /  ;  print $1' `

   HEIGHT=`grep 'VIDEO' info | \

     perl -e ' $line=<STDIN> ; $line =~ / \d+x(\d+) /  ;  print $1' `

   ORIGFPS=`grep 'VIDEO' info | \

     perl -e ' $line=<STDIN> ; $line =~ /\s(\S+)\sfps/  ;  print $1' `

   ORIGFPS=`echo "$ORIGFPS"| tr , .`

   ORIGFPS_1=`echo "scale=1 ; $ORIGFPS/1"| bc -l`

fi



SEGUNDOS_TOTAL=`echo "scale=0 ; ($FRAMES / $ORIGFPS)"| bc -l`



#If couldn't get the length, use the default

[ "$SEGUNDOS_TOTAL" == "" ] && SEGUNDOS_TOTAL=$DEFAULT_MOVIE_SECONDS

HORAS=`echo "scale=0 ; ($SEGUNDOS_TOTAL / 3600)"| bc -l`

MINUTOS=`echo "scale=0 ; (($SEGUNDOS_TOTAL - \

  3600 * $HORAS)/60)"| bc -l`

SEGUNDOS=`echo "scale=0 ; ($SEGUNDOS_TOTAL % 60)"| bc -l`



# Calculate variable videobitrate

VIDEO_RATE=`echo "scale=0 ;(($CDSIZE * 1024 - \

  ($AUDIORATE/8*$SEGUNDOS_TOTAL))*8 / $SEGUNDOS_TOTAL)"| bc -l`



MAXRATE=$VIDEO_RATE

[ "$MAXRATE" == "" ] && MAXRATE=1150

[ $MAXRATE -gt 2500 ] && MAXRATE=2500





MATRIX="\

intra_matrix=\

8,9,12,22,26,27,29,34,\

9,10,14,26,27,29,34,37,\

12,14,18,27,29,34,37,38,\

22,26,27,31,36,37,38,40,\

26,27,29,36,39,38,40,48,\

27,29,34,37,38,40,48,58,\

29,34,37,38,40,48,58,69,\

34,37,38,40,48,58,69,79:\

inter_matrix=\

16,18,20,22,24,26,28,30,\

18,20,22,24,26,28,30,32,\

20,22,24,26,28,30,32,34,\

22,24,26,30,32,32,34,36,\

24,26,28,32,34,34,36,38,\

26,28,30,32,34,36,38,40,\

28,30,32,34,36,38,42,42,\

30,32,34,36,38,40,42,44:\

"



VBITRATE=$MAXRATE



function usage() {

echo

echo "Usage: $HOWCALLED <shrunk name> <file or mplayer source> [variable video bitrate kbs [$VBITRATE]]"

echo

echo "result: (S,X)VCD and mpeg(1,2) encoded with $HOWCALLED."

echo

exit 1

}



HOWCALLED=`basename $0`

[ $# -lt 2 ] && usage



case $1 in

-*)

usage

;;

*)

NAME=$1

shift 1

;;

esac



DIR="`pwd`"

FILE=$1

if [ "$1" == "`basename \"$1\"`" ]; then

FILE="$DIR/$1"

fi

shift 1





VBITRATE=$MAXRATE



if [ "$1"x != "x" ]; then

VBITRATE=$1

shift 1

fi



COMMAND_LINE_MENCODER=$*



rm -rf divx2pass.log

rm -rf frameno.avi

rm -rf $NAME.mpv



AUDIO="audio.pcm"



# Calculate new scale-to sizes, to fix the aspect-ratio problem

scaleto=`echo "$HEI-($WID-${HEIGHT})" | bc -l`



for word in $PASS ; do

   VIDEO="video.mpg"

   [ "$word" == "single"  ] && pass=""

   [ "$word" == "1st"  ] && pass=":vpass=1"

   [ "$word" == "1st"  ] && VIDEO="/dev/null"

   [ "$word" == "2nd"  ] && pass=":vpass=2"



echo "Starting $word pass"



command="mencoder -sws 0 -vf ${VFILTER}dsize=4/3,scale=${WID}:${scaleto},expand=${WID}:${HEI}${FPS} \

-forceidx -of mpeg -nosound \

-ovc lavc -lavcopts aspect=4/3:${MATRIX}vcodec=${VCODEC}:vbitrate=${VBITRATE}:mbd=2:vrc_minrate=300:vrc_maxrate=25

00:vrc_buf_size=320:keyint=25${LAVCOPTS}$pass \

${SUB} \

-subfont-autoscale ${autoscale} \

-subfont-outline ${outline} \

-subfont-text-scale ${textscale} \

-subpos ${subpos} \

$COMMAND_LINE_MENCODER $FILE -o $VIDEO"



echo "$command $NOTverbose"

eval "$command $NOTverbose"

done



# Dump video

eval "mplayer -noframedrop -dumpvideo -dumpfile $NAME.mpv $VIDEO"



# Create pipe

rm -f $AUDIO

mkfifo -m 660 $AUDIO



# Encode audio

eval "mplayer -ni -noframedrop -vo null -ao pcm -aofile $AUDIO $FILE $NOTverbose &"

eval "ffmpeg -y -i $AUDIO -ab $AUDIORATE -ar 44100 -ac 2 -f mp2 $NAME.mpa $NOTverbose &"



# Wait for process to die

wait



rm -f $VIDEO

rm -f $AUDIO

rm -f info



rm -f ${NAME}??.mpg



# Multiplex

eval "tcmplex $MUXMODE -i $NAME.mpv -p $NAME.mpa -o $NAME.mpg"

rm -f tcmplex.tmp



echo "$HOWCALLED ENCODING IS COMPLETED in $SECONDS seconds."



for i in ${NAME}??.mpg; do

cue="`basename $i .mpg`.cue"

bin="`basename $i .mpg`.bin"

rm -f $cue $bin

eval "vcdimager $IMAMODE -c $cue -b $bin $i"

done



#for cue in ${NAME}??.cue; do

#bin="`basename $cue .cue`.bin"

#echo "PLEASE INSERT BLANK CD IN CD-WRITER, after a keypress we start:"

#read -n 1 null

#eval "cdrdao write $CDOPT $CDDEV $cue"

#echo "CD WRITING IS COMPLETED."

#done



exit 0

# last line of this script