#!/bin/bash
# Shell script to generate sound from ASCII text
program_name=`basename $0`
program_version="0.2"

#if [ -z "$1" ]; then
#    echo "\
#$program_name: too few arguments
#Try \`$program_name --help' for more information." 1>&2
#    exit 1
#fi

[ -t 1 ] || silent=1 # don't show anything if stdout isn't a tty

version()
{
    echo "$program_name (sag_was) $program_version"
    exit 0
}     
help()
{
    echo "\
Usage: $program_name [OPTION]... FILE
Generate voicestream from text

  -i, --input=FILE             specifies the ASCII file. If none is given, input
                               is taken from /dev/stdin.
  -d, --device=DEVICE          use DEVICE for output, default is a audio device
      --format=FORMAT          Audio format to produce. FORMAT is either au or wav.
  -g, --voice=VOICE            Voice Library to use. VOICE is either de1, de2 or de3
  -p, --pipefilt               Cut newlines, make breathing time after punctuation marks.          
  -a, --preproc                replace abbreviations
  -n, --numfilt                replace digits by numbers.
  -v, --volume=VOLUME          change amplitude. Default is 1
  -f, --frequenzratio=RATIO    FREQ ratio, float ratio applied to pitch points
  -t, --timerratio=RATIO       TIME ratio, float ratio applied to phone durations
  -l, --voicefrequenz=FREQUENZ VOICE freq, target freq for voice quality in Hz
  -h, --help                   display this help and exit
      --version                output version information and exit
      --silent                 do not display filename of currently played file"  
     exit 0 
 }


# Define some variables
input="/dev/stdin"
path_to_voice="/usr/share/mbrola"
path_to_preproc="/usr/share/preproc"
voice="de6"
txt2pho_voice="f"
volume="1"
frequenzratio="1"
timerratio="1"
format="au"
device="audio"

count=0 
while [ $# -ne 0 ]; do
    case "$1" in
        -h)
            help
            ;;
        --help)
            help
            ;;
        --version)
            version
            ;;      
        -d)
            shift
            device="$1"
            ;;
        --device=*)
            device=`echo $1 | sed 's/.*=//'`
            ;;      	    
        -i)
            shift
            input="$1"
            ;;
        --input=*)
            input=`echo $1 | sed 's/.*=//'`
            ;;
        -g)
            shift
            voice="$1"
            ;;
        --voice=*)
            voice=`echo $1 | sed 's/.*=//'`
            ;; 
        --format=*)
	    format=`echo $1 | sed 's/.*=//'`
	    ;;
        -a)
            #shift
            preproc="| preproc $path_to_preproc/Rules.lst $path_to_preproc/Hadifix.abk"
            ;;
        --preproc)
            preproc="| preproc $path_to_preproc/Rules.lst $path_to_preproc/Hadifix.abk"
            ;; 
        -p)
            #shift
            pipefilt="| pipefilt"
            ;;
        --pipefilt)
            pipefilt="| pipefilt"
            ;;
        -n)
            #shift
            numfilt="| numfilt"
            ;;
        --numfilt)
            numfilt="| numfilt"
            ;;
        -v)
            shift
            volume="$1"
            ;;
        --volume=*)
            volume=`echo $1 | sed 's/.*=//'`
            ;;	    	    
        -f)
            shift
            frequenzratio="$1"
            ;;
        --frequenzratio=*)
            frequenzratio=`echo $1 | sed 's/.*=//'`
            ;;
        -t)
            shift
            timerratio="$1"
            ;;
        --timerratio=*)
            timerratio=`echo $1 | sed 's/.*=//'`
            ;;
        -l)
            shift
            voicefrequenz="$1"
            ;;
        --voicefrequenz=*)
            voicefrequenz=`echo $1 | sed 's/.*=//'`
            ;;
	*)
	    satz="$satz $1"
	    ;;
    esac
    shift
done


# Source the config files

if [ -z "/etc/txt2pho" ] || [ -z "~/.txt2phorc" ] ; then
  echo "neither ~/.txt2phorc nore ~/.txt2phorc ($USER) found"
  echo "synthesis will fail. Exit now"
  exit 1
fi
if [ -f /etc/txt2pho ] ; then
 source /etc/txt2pho
 fi
if [ -f ~/.txt2phorc ] ; then
 source ~/.txt2phorc
 fi

	    if [ "$voice" == "de1" ] || [ "$voice" == "de3" ] || [ "$voice" == "de5" ] || [ "$voice" == "de7" ] ; then
	      txt2pho_voice="f"
	    fi

	    if [ "$voice" == "de2" ] || [ "$voice" == "de4" ] || [ "$voice" == "de6" ] ; then 
	      txt2pho_voice="m"
	    fi
	    

            if [ "$txt2pho_voice" == "" ] && [ "$INVENTORY" == "female" ] ; then
	      txt2pho_voice="f"
	      voice="de5"
	    fi

            if [ "$txt2pho_voice" == "" ] && [ "$INVENTORY" == "male" ] ; then
	      txt2pho_voice="m"
	      voice="de6"
	    fi


            if [ "$voicefrequenz" == "" ] && [ "$voice" == "de1" ] ; then
	      voicefrequenz="16000"
	    fi
            if [ "$voicefrequenz" == "" ] && [ "$voice" == "de2" ] ; then
	      voicefrequenz="16000"
	    fi
            if [ "$voicefrequenz" == "" ] && [ "$voice" == "de3" ] ; then
	      voicefrequenz="22050"
	    fi	    	    
            if [ "$voicefrequenz" == "" ] && [ "$voice" == "de4" ] ; then
	      voicefrequenz="16000"
	    fi
            if [ "$voicefrequenz" == "" ] && [ "$voice" == "de5" ] ; then
	      voicefrequenz="22050"
	    fi
            if [ "$voicefrequenz" == "" ] && [ "$voice" == "de6" ] ; then
	      voicefrequenz="22050"
	    fi
            if [ "$voicefrequenz" == "" ] && [ "$voice" == "de7" ] ; then
	      voicefrequenz="22050"
	    fi
            voice="$path_to_voice/$voice"    	    
            if [ "$device" == "audio" ] ; then
	      out_seq="-.$format | aplay - -D default -t $format"
	     else
	       out_seq="$device"
	     fi
#arch=`uname -s` 
#  case $arch in 
#  Linux|FreeBSD)
#    arch_defines="-t ossdsp"
#    if [ -z "$device" ]; then
#        device="/dev/dsp"
#    fi
#    ;;
# esac
# preproc=""
# $preproc want work at the moment

  if [ "$input" != "" ] ; then
     command="cat $input | iconv -f utf8 -t latin1 $pipefilt $numfilt $preproc | txt2pho -$txt2pho_voice | mbrola -v $volume -f $frequenzratio -t $timerratio  -l \
     $voicefrequenz $voice - $out_seq" #-.$format | play - -t $format"
    fi
  if [ "$satz" != "" ] ; then
     command="echo $satz | iconv -f utf8 -t latin1 $pipefilt $numfilt $preproc | txt2pho -$txt2pho_voice | mbrola -v $volume -f $frequenzratio -t $timerratio  -l \
     $voicefrequenz $voice - $out_seq" #-.$format | play - -t $format"
    fi
   
eval $command

exit